/**
 * 관리자 페이지 스타일 (Modern Minimal Design)
 *
 * @author  zRooKie
 * @since   2025.12.23
 * @updated 2025.12.24
 */

/* ============================================================
   CSS Variables
   ============================================================ */
:root {
    /* Colors */
    --color-black: #0a0a0a;
    --color-white: #ffffff;
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;

    /* Status Colors */
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    /* Accent (minimal use) */
    --color-accent: #3b82f6;

    /* Layout */
    --sidebar-width: 64px;
    --header-height: 56px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
}

/* ============================================================
   Reset & Base
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--color-gray-900);
    background-color: var(--color-gray-50);
}

a {
    color: var(--color-gray-900);
    text-decoration: none;
}

a:hover {
    color: var(--color-gray-600);
}

/* ============================================================
   Common Components
   ============================================================ */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:hover {
    text-decoration: none;
}

.btn-primary {
    color: var(--color-white);
    background-color: var(--color-black);
    border-color: var(--color-black);
}

.btn-primary:hover {
    color: var(--color-white);
    background-color: var(--color-gray-700);
    border-color: var(--color-gray-700);
}

.btn-secondary {
    color: var(--color-gray-700);
    background-color: var(--color-white);
    border-color: var(--color-gray-200);
}

.btn-secondary:hover {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-300);
}

.btn-outline {
    color: var(--color-gray-700);
    background-color: transparent;
    border-color: var(--color-gray-200);
}

.btn-outline:hover {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-300);
}

.btn-accent {
    color: var(--color-white);
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-accent:hover {
    color: var(--color-white);
    background-color: #2563eb;
    border-color: #2563eb;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--color-gray-900);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-400);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-gray-900);
    box-shadow: 0 0 0 1px var(--color-gray-900);
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
}

.alert-error {
    color: #991b1b;
    background-color: #fef2f2;
    border: 1px solid #fecaca;
}

.alert-success {
    color: #166534;
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
}

/* Form Utilities */
.form-hint {
    margin-top: 0.375rem;
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.input-disabled {
    background-color: var(--color-gray-50) !important;
    color: var(--color-gray-500) !important;
    cursor: not-allowed;
}

.input-with-button {
    display: flex;
    gap: 0.5rem;
}

.input-with-button input {
    flex: 1;
}

/* Settings Page */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 1.5rem;
}

.settings-section {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.settings-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-gray-100);
}

.settings-form .form-group:last-of-type {
    margin-bottom: 1.25rem;
}

/* Admin List Section */
.admin-list-section {
    margin-top: 2rem;
}

.admin-list-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 1rem;
}

/* Data Table */
.table-container {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th,
.data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-100);
    vertical-align: top;
}

.data-table th {
    background-color: var(--color-gray-50);
    font-weight: 500;
    color: var(--color-gray-600);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background-color: var(--color-gray-50);
}

.data-table tbody tr.current-user {
    background-color: #fefce8;
}

.data-table tbody tr.current-user:hover {
    background-color: #fef9c3;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    font-size: 0.6875rem;
    font-weight: 500;
    border-radius: 9999px;
}

.badge-primary {
    background-color: var(--color-gray-900);
    color: var(--color-white);
}

.badge-success {
    background-color: #dcfce7;
    color: #166534;
}

.badge-secondary {
    background-color: var(--color-gray-100);
    color: var(--color-gray-600);
}

.badge-danger {
    background-color: #fee2e2;
    color: #dc2626;
}

.badge-info {
    background-color: #dbeafe;
    color: #1d4ed8;
}

.badge-purple {
    background-color: #eef2ff;
    color: #6366f1;
}

.badge-muted {
    background-color: var(--color-gray-100);
    color: var(--color-gray-400);
}

/* 질문 목록 명찰 뱃지 */
.question-nametag-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    border-radius: 6px;
    flex-shrink: 0;
    white-space: nowrap;
}

/* ============================================================
   Login Page
   ============================================================ */
.login-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--color-white);
    position: relative;
}

/* Gradient stripe at top */
.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(
            90deg,
            rgba(251, 207, 232, 0.4) 0%,
            rgba(254, 243, 199, 0.4) 25%,
            rgba(187, 247, 208, 0.4) 50%,
            rgba(191, 219, 254, 0.4) 75%,
            rgba(233, 213, 255, 0.4) 100%
    );
    pointer-events: none;
}

.login-container {
    width: 100%;
    max-width: 360px;
    padding: 2rem 1.5rem;
    z-index: 1;
}

.login-logo {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.login-logo span {
    display: block;
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--color-gray-500);
    margin-top: 0.25rem;
}

.login-box {
    background: transparent;
}

.login-title {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 1.5rem;
}

.login-subtitle {
    display: none;
}

.login-form .btn {
    margin-top: 0.5rem;
    height: 42px;
}

.login-footer {
    text-align: center;
    margin-top: 2rem;
    color: var(--color-gray-400);
    font-size: 0.75rem;
}

.login-footer a {
    color: var(--color-gray-500);
    font-weight: 500;
}

.login-footer a:hover {
    color: var(--color-gray-900);
}

/* ============================================================
   Admin Layout
   ============================================================ */
.admin-page {
    background-color: var(--color-gray-50);
}

/* Sidebar */
.admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--color-white);
    border-right: 1px solid var(--color-gray-200);
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow: visible;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: var(--header-height);
    border-bottom: 1px solid var(--color-gray-200);
}

.sidebar-logo a {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    line-height: 1;
}

.sidebar-logo .logo-main {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.sidebar-logo .logo-sub {
    font-size: 0.625rem;
    font-weight: 300;
    color: var(--color-gray-500);
    letter-spacing: 0.1em;
    margin-top: 2px;
}

.sidebar-nav {
    flex: 1;
    padding: 0.75rem 0;
    overflow: visible;
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav li {
    padding: 0.25rem 0.5rem;
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    color: var(--color-gray-500);
    transition: all var(--transition-fast);
}

.sidebar-nav li a:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-900);
}

.sidebar-nav li.active a {
    background-color: var(--color-gray-100);
    color: var(--color-gray-900);
}

.sidebar-nav li a svg {
    width: 20px;
    height: 20px;
}

.sidebar-nav li.nav-divider {
    height: 1px;
    background: var(--color-gray-200);
    margin: 0.5rem 0.75rem;
    padding: 0;
}

.sidebar-nav .nav-text {
    display: none;
}

/* Sidebar Tooltip */
.sidebar-nav li {
    position: relative;
}

.nav-tooltip {
    position: absolute;
    left: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: 0.625rem 0.875rem;
    border-radius: var(--radius-md);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 1000;
    pointer-events: none;
}

/* Tooltip Arrow */
.nav-tooltip::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-right-color: var(--color-gray-900);
    border-left: none;
}

.nav-tooltip-title {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.nav-tooltip-desc {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    line-height: 1.4;
}

/* Show tooltip on hover */
.sidebar-nav li:hover .nav-tooltip {
    opacity: 1;
    visibility: visible;
}

/* Sidebar Bottom */
.sidebar-bottom {
    padding: 0.75rem 0.5rem;
    border-top: 1px solid var(--color-gray-200);
}

.sidebar-bottom-item {
    position: relative;
    padding: 0.25rem 0;
}

.sidebar-bottom > .sidebar-bottom-item > a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    color: var(--color-gray-500);
    transition: all var(--transition-fast);
}

.sidebar-bottom > .sidebar-bottom-item > a:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-900);
}

.sidebar-bottom > .sidebar-bottom-item > a svg {
    width: 20px;
    height: 20px;
}

/* Sidebar Bottom Tooltip */
.sidebar-bottom-item .nav-tooltip {
    position: absolute;
    left: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: 0.625rem 0.875rem;
    border-radius: var(--radius-md);
    min-width: 140px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 1000;
    pointer-events: none;
}

.sidebar-bottom-item .nav-tooltip::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-right-color: var(--color-gray-900);
    border-left: none;
}

.sidebar-bottom-item:hover .nav-tooltip {
    opacity: 1;
    visibility: visible;
}

/* User Avatar */
.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-600);
}

/* User Menu */
.user-menu-wrapper {
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-menu-trigger:hover {
    background-color: var(--color-gray-100);
}

/* User Popover */
.user-popover {
    position: absolute;
    left: calc(100% + 12px);
    bottom: 0;
    min-width: 220px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-8px);
    transition: all var(--transition-fast);
    z-index: 1000;
    overflow: visible;
}

.user-popover * {
    box-sizing: border-box;
}

.user-popover.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.user-popover-header {
    padding: 1rem;
    border-bottom: 1px solid var(--color-gray-100);
}

.user-popover-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 0.125rem;
    white-space: nowrap;
}

.user-popover-id {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    white-space: nowrap;
}

.user-popover-menu {
    padding: 0.5rem;
}

.user-popover-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--color-gray-700);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.user-popover-item:hover {
    background-color: var(--color-gray-50);
    color: var(--color-gray-900);
}

.user-popover-item .popover-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.user-popover-item .popover-icon svg {
    width: 16px;
    height: 16px;
    color: var(--color-gray-400);
}

.user-popover-item:hover .popover-icon svg {
    color: var(--color-gray-600);
}

.user-popover-item .popover-text {
    white-space: nowrap;
}

/* Main Content */
.admin-container {
    min-height: 100vh;
    padding-left: var(--sidebar-width);
}

.admin-content {
    padding: 1.5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Page Header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.page-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-900);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-header .header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Stats Grid - Horizontal Style */
.stats-grid {
    display: flex;
    gap: 0;
    margin-bottom: 1.5rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.stat-card {
    flex: 1;
    padding: 1rem 1.25rem;
    border-right: 1px solid var(--color-gray-200);
}

.stat-card:last-child {
    border-right: none;
}

.stat-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.stat-header .stat-icon {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-header .stat-label {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

/* KPI Cards */
.kpi-cards {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.kpi-card {
    flex: 1;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    text-align: center;
}

.kpi-card.kpi-highlight {
    background: var(--color-black);
    border-color: var(--color-black);
}

.kpi-card.kpi-highlight .kpi-value,
.kpi-card.kpi-highlight .kpi-label {
    color: var(--color-white);
}

/* 클릭 가능한 KPI 카드 */
.kpi-card.kpi-link {
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.kpi-card.kpi-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.kpi-card.kpi-link.kpi-highlight:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1.2;
}

.kpi-label {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-top: 0.25rem;
}

/* Status Indicators */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.pending {
    background-color: var(--color-warning);
}

.status-dot.active {
    background-color: var(--color-success);
}

.status-dot.inactive {
    background-color: var(--color-gray-400);
}

/* Cards */
.card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.card-header h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-900);
}

.card-body {
    padding: 1.25rem;
}

/* Quick Actions */
.quick-actions {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.quick-actions h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 1rem;
}

.action-buttons {
    display: flex;
    gap: 0.75rem;
}

/* Recent Surveys / Tables */
.recent-surveys {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
}

.recent-surveys h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-900);
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.empty-message {
    color: var(--color-gray-400);
    text-align: center;
    padding: 3rem 1rem;
    font-size: 0.875rem;
}

/* Dashboard Survey List */
.recent-surveys .survey-list {
    gap: 0;
}

.survey-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-gray-100);
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

.survey-item:last-child {
    border-bottom: none;
}

.survey-item:hover {
    background-color: var(--color-gray-50);
}

.survey-item svg {
    color: var(--color-gray-400);
    flex-shrink: 0;
}

.survey-item-content {
    flex: 1;
    min-width: 0;
}

.survey-item-title {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-900);
    margin-bottom: 0.375rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.survey-item-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.survey-item-date,
.survey-item-responses {
    color: var(--color-gray-400);
}

/* Filter Bar */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    color: var(--color-gray-600);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-300);
}

/* Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 0.75rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
    vertical-align: top;
}

.data-table th {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-gray-500);
    background: transparent;
}

.data-table td {
    font-size: 0.875rem;
    color: var(--color-gray-900);
    vertical-align: top;
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background: var(--color-gray-50);
}

/* Status Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
}

.badge-pending {
    color: #b45309;
    background-color: #fef3c7;
}

.badge-active {
    color: #15803d;
    background-color: #dcfce7;
}

.badge-inactive {
    color: var(--color-gray-600);
    background-color: var(--color-gray-100);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--color-gray-200);
}

.pagination-info {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.pagination-buttons {
    display: flex;
    gap: 0.5rem;
}

.pagination-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    color: var(--color-gray-600);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--color-gray-50);
    border-color: var(--color-gray-300);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Slide Over Panel */
.slide-panel-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.slide-panel-overlay.active {
    opacity: 1;
    visibility: visible;
}

.slide-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 400px;
    max-width: 100%;
    background: var(--color-white);
    box-shadow: -4px 0 16px rgba(0, 0, 0, 0.1);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    z-index: 201;
    display: flex;
    flex-direction: column;
}

.slide-panel.active {
    transform: translateX(0);
}

.slide-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.slide-panel-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-900);
}

.slide-panel-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--color-gray-500);
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.slide-panel-close:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-900);
}

.slide-panel-body {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
}

.slide-panel-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-gray-200);
}

/* Section within panels/cards */
.section {
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 0.25rem;
}

.section-desc {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-bottom: 1rem;
}

/* ============================================================
   Snackbar (Toast)
   ============================================================ */
.snackbar {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    max-width: calc(100% - 2rem);
    text-align: center;
}

.snackbar.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

/* Snackbar Types */
.snackbar.success {
    background: #166534;
}

.snackbar.error {
    background: #991b1b;
}

.snackbar.warning {
    background: #b45309;
}

.snackbar.info {
    background: var(--color-gray-900);
}

/* Snackbar with Action */
.snackbar-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.snackbar-message {
    flex: 1;
}

.snackbar-action {
    color: var(--color-white);
    font-weight: 600;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    margin: -0.25rem -0.5rem;
    border-radius: var(--radius-sm);
    opacity: 0.9;
}

.snackbar-action:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
}

/* Mobile: 더 넓게, 하단에 붙임 */
@media (max-width: 768px) {
    .snackbar {
        bottom: 0.75rem;
        left: 0.75rem;
        right: 0.75rem;
        transform: translateX(0) translateY(100px);
        max-width: none;
    }

    .snackbar.show {
        transform: translateX(0) translateY(0);
    }
}

/* ============================================================
   Utility Classes
   ============================================================ */
.text-muted {
    color: var(--color-gray-500);
}

.text-sm {
    font-size: 0.8125rem;
}

.text-center {
    text-align: center;
}

.mt-1 {
    margin-top: 0.25rem;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-3 {
    margin-top: 0.75rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mb-1 {
    margin-bottom: 0.25rem;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-3 {
    margin-bottom: 0.75rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-1 {
    gap: 0.25rem;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-3 {
    gap: 0.75rem;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 0px;
    }

    .admin-sidebar {
        display: none;
    }

    .admin-content {
        padding: 1rem 10px;
        padding-bottom: calc(60px + 1rem);
    }

    .stats-grid {
        flex-direction: column;
    }

    .stat-card {
        border-right: none;
        border-bottom: 1px solid var(--color-gray-200);
    }

    .stat-card:last-child {
        border-bottom: none;
    }

    .kpi-cards {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .kpi-card {
        padding: 0.75rem 1rem;
    }

    .kpi-value {
        font-size: 1.25rem;
    }

    .slide-panel {
        width: 100%;
    }
}

/* ============================================================
   Filter Section
   ============================================================ */
.filter-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.filter-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-info {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* Small Button */
.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.8125rem;
}

/* Extra Small Button */
.btn-xs {
    padding: 0.125rem 0.5rem;
    font-size: 0.75rem;
}

/* Warning Button */
.btn-warning {
    background-color: #fef3c7;
    color: #b45309;
    border-color: #fcd34d;
}

.btn-warning:hover {
    background-color: #fde68a;
    color: #92400e;
}

/* Danger Button */
.btn-danger {
    background-color: #fee2e2;
    color: #dc2626;
    border-color: #fca5a5;
}

.btn-danger:hover {
    background-color: #fecaca;
    color: #b91c1c;
}

/* Inline Form & Action Buttons */
.inline-form {
    display: inline-block;
    margin: 0;
}

.action-cell {
    white-space: nowrap;
}

.action-buttons-inline {
    display: flex;
    gap: 0.25rem;
    justify-content: flex-start;
}

/* Code Style */
code {
    font-family: inherit;
    font-size: 0.8125rem;
    padding: 0.125rem 0.375rem;
    background-color: var(--color-gray-100);
    border-radius: var(--radius-sm);
    color: var(--color-gray-700);
}

/* ============================================================
   Pagination
   ============================================================ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.25rem;
    margin-top: 1.5rem;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    height: 2rem;
    padding: 0 0.5rem;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.page-link:hover {
    color: var(--color-gray-900);
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-300);
}

.page-link.active {
    color: var(--color-white);
    background-color: var(--color-gray-900);
    border-color: var(--color-gray-900);
}

/* ============================================================
   Mobile Bottom Navigation
   ============================================================ */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-gray-200);
    z-index: 150000; /* editor-wrapper:focus-within(100000)보다 높게 */
}

.mobile-nav-list {
    display: flex;
    height: 100%;
    list-style: none;
}

.mobile-nav-item {
    flex: 1;
}

.mobile-nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 0.5rem;
    color: var(--color-gray-500);
    text-decoration: none;
    transition: var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--color-gray-900);
}

.mobile-nav-link svg {
    width: 22px;
    height: 22px;
    margin-bottom: 0.25rem;
}

.mobile-nav-label {
    font-size: 0.625rem;
    font-weight: 500;
}

/* Mobile More Menu */
.mobile-nav-item {
    position: relative;
}

.mobile-nav-link {
    background: none;
    border: none;
    width: 100%;
    cursor: pointer;
}

.mobile-more-menu {
    display: none;
    position: absolute;
    bottom: 100%;
    right: 0;
    min-width: 160px;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.1);
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.mobile-more-menu.active {
    display: block;
}

.mobile-more-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--color-gray-700);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.mobile-more-item:hover {
    background-color: var(--color-gray-50);
    color: var(--color-gray-900);
}

.mobile-more-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.mobile-more-logout {
    border-top: 1px solid var(--color-gray-100);
    color: var(--color-error);
}

.mobile-more-logout:hover {
    color: var(--color-error);
    background-color: #fef2f2;
}

@media (max-width: 768px) {
    .mobile-nav {
        display: block;
    }
}

/* ============================================================
   Page Header with Action
   ============================================================ */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h2 {
    margin: 0;
}

/* ============================================================
   Search Form
   ============================================================ */
.search-form {
    display: flex;
}

.search-input-wrapper {
    display: flex;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--color-white);
}

.search-input {
    border: none;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    min-width: 200px;
    outline: none;
}

.search-input:focus {
    outline: none;
}

.search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 0.75rem;
    background: none;
    border: none;
    border-left: 1px solid var(--color-gray-200);
    cursor: pointer;
    color: var(--color-gray-500);
    transition: var(--transition-fast);
}

.search-btn:hover {
    color: var(--color-gray-900);
    background-color: var(--color-gray-50);
}

/* ============================================================
   Result Info
   ============================================================ */
.result-info {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: 1rem;
}

.result-info strong {
    color: var(--color-gray-900);
}

.search-result {
    margin-left: 0.5rem;
    color: var(--color-gray-400);
}

/* ============================================================
   Empty State
   ============================================================ */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
}

.empty-icon {
    color: var(--color-gray-300);
    margin-bottom: 1rem;
}

.empty-message {
    color: var(--color-gray-500);
    margin-bottom: 1.5rem;
}

/* ============================================================
   Survey List
   ============================================================ */
.survey-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.survey-card {
    position: relative;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    transition: var(--transition-fast);
}

.survey-card:hover {
    border-color: var(--color-gray-300);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.survey-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.survey-id {
    font-size: 0.75rem;
    color: var(--color-gray-400);
}

.survey-date {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    margin-left: auto;
}

.survey-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    line-height: 1.4;
    padding-right: 80px; /* QR 코드 공간 확보 */
}

.accent-dot {
    flex-shrink: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.ai-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #3b82f6;
}

.ai-badge svg {
    display: block;
}

.ai-badge-sub {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-left: 6px;
}

.ai-badge-sub svg {
    display: block;
}

.survey-title a {
    color: var(--color-gray-900);
    text-decoration: none;
}

.survey-title a:hover {
    color: var(--color-gray-600);
}

.survey-desc {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin: 0 0 1rem 0;
    line-height: 1.5;
    padding-right: 80px; /* QR 코드 공간 확보 */
}

/* QR 코드 */
.survey-qrcode {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #fff;
    padding: 0.25rem;
    border-radius: 6px;
    border: 1px solid var(--color-gray-200);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: all 0.2s ease;
}

.survey-qrcode:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.survey-qrcode img {
    display: block;
    border-radius: 4px;
}

.survey-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--color-gray-100);
    flex-wrap: wrap;
    gap: 0.75rem;
}

.survey-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.meta-item svg {
    color: var(--color-gray-400);
}

.meta-item.meta-muted {
    color: var(--color-gray-400);
    font-size: 0.75rem;
}

.meta-link {
    text-decoration: none;
    transition: color 0.15s ease;
}

.meta-link:hover {
    color: var(--color-accent);
}

.meta-link:hover svg {
    color: var(--color-accent);
}

.survey-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.survey-urls,
.survey-btns {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.survey-btns {
    padding-left: 0.75rem;
    border-left: 1px solid var(--color-gray-200);
}

/* Action Links (통일된 스타일) */
.action-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--color-gray-600);
    text-decoration: none;
    padding: 0.375rem 0.625rem;
    border-radius: 6px;
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    transition: all 0.15s ease;
    cursor: pointer;
}

.action-link:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background: #fff;
}

.action-link svg {
    flex-shrink: 0;
}

.action-link.action-accent {
    color: var(--color-accent);
    background: transparent;
    border-color: var(--color-accent);
    font-weight: 500;
}

.action-link.action-accent:hover {
    color: #fff;
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.action-link.action-response {
    color: #2563eb;
    background: transparent;
    border-color: #2563eb;
    font-weight: 500;
}

.action-link.action-response:hover {
    color: #fff;
    background: #2563eb;
    border-color: #2563eb;
}

.action-link.action-duplicate {
    color: #7c3aed;
    background: transparent;
    border-color: #7c3aed;
    font-weight: 500;
}

.action-link.action-duplicate:hover {
    color: #fff;
    background: #7c3aed;
    border-color: #7c3aed;
}

button.action-link {
    font-family: inherit;
    font-size: 0.75rem;
    line-height: inherit;
}

/* Copy Toast */
.copy-toast {
    position: fixed;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--color-gray-900);
    color: #fff;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999999;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.copy-toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.copy-toast svg {
    color: #22c55e;
    flex-shrink: 0;
}

/* Badge Warning (for survey) */
.badge-warning {
    background-color: #fef3c7;
    color: #b45309;
}

/* ============================================================
   Filter Section Enhanced
   ============================================================ */
.filter-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .filter-section {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-buttons {
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }

    .search-input {
        min-width: 0;
        width: 100%;
    }

    .search-form {
        width: 100%;
    }

    .search-input-wrapper {
        width: 100%;
    }

    .survey-card-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .survey-actions {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .survey-urls,
    .survey-btns {
        width: 100%;
        justify-content: flex-start;
    }

    .survey-btns {
        padding-left: 0;
        border-left: none;
        padding-top: 0.5rem;
        border-top: 1px solid var(--color-gray-200);
    }

    /* 모바일에서 QR 코드 크기 축소 */
    .survey-qrcode {
        top: 0.75rem;
        right: 0.75rem;
    }

    .survey-qrcode img {
        width: 48px;
        height: 48px;
    }

    .survey-title,
    .survey-desc {
        padding-right: 60px;
    }
}

/* ============================================================
   Survey Form
   ============================================================ */
.survey-form {
    max-width: 1200px;
}

.form-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
}

.form-card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-gray-100);
}

.form-card-header h3 {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 600;
}

.form-card-body {
    padding: 0.95rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.625rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    background-color: var(--color-white);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-gray-400);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-hint {
    margin: 0.375rem 0 0 0;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.required {
    color: var(--color-error);
}

/* Form Row (2 columns) */
.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.form-row .form-group {
    margin-bottom: 0;
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

/* Date Input Font */
.form-group input[type="date"] {
    font-family: inherit;
}

/* Webkit date picker 스타일 */
.form-group input[type="date"]::-webkit-datetime-edit,
.form-group input[type="date"]::-webkit-datetime-edit-fields-wrapper,
.form-group input[type="date"]::-webkit-datetime-edit-text,
.form-group input[type="date"]::-webkit-datetime-edit-month-field,
.form-group input[type="date"]::-webkit-datetime-edit-day-field,
.form-group input[type="date"]::-webkit-datetime-edit-year-field {
    font-family: inherit;
}

/* Color Picker */
.color-picker-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.color-picker-input {
    width: 48px;
    height: 36px;
    padding: 2px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    background: var(--color-white);
}

.color-picker-input::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-picker-input::-webkit-color-swatch {
    border: none;
    border-radius: calc(var(--radius-md) - 3px);
}

.color-picker-text {
    width: 90px;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-family: monospace;
    text-transform: uppercase;
}

.color-picker-text:focus {
    outline: none;
    border-color: var(--color-gray-900);
}

.color-presets {
    display: flex;
    gap: 0.375rem;
    flex-wrap: wrap;
}

.color-preset {
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-white);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 0 1px var(--color-gray-300);
    transition: transform 0.15s, box-shadow 0.15s;
}

.color-preset:hover {
    transform: scale(1.15);
    box-shadow: 0 0 0 2px var(--color-gray-400);
}

/* Checkbox & Radio */
.checkbox-label,
.radio-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    line-height: 1;
}

.checkbox-label input,
.radio-label input {
    width: 1rem;
    height: 1rem;
    margin: 0;
    padding: 0;
    flex-shrink: 0;
    cursor: pointer;
    vertical-align: middle;
}

.checkbox-text,
.radio-text {
    color: var(--color-gray-700);
    line-height: 1rem;
}

.checkbox-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--color-gray-500);
    margin-top: 0.25rem;
    margin-left: 1.25rem;
}

.radio-group {
    display: flex;
    gap: 1.5rem;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    padding-top: 1rem;
}

@media (max-width: 640px) {
    .form-actions {
        flex-direction: column-reverse;
    }

    .form-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================================
   Survey Detail Page
   ============================================================ */
.page-header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.back-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    color: var(--color-gray-500);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.back-link:hover {
    color: var(--color-gray-900);
    background-color: var(--color-gray-100);
}

.page-header-actions {
    display: flex;
    gap: 0.5rem;
}

/* Detail Grid */
.survey-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.detail-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
}

.detail-card.full-width {
    grid-column: span 2;
}

.detail-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-gray-100);
}

.detail-card-header h3 {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 600;
}

.detail-card-body {
    padding: 1.25rem;
}

/* Detail List */
.detail-list {
    margin: 0;
}

.detail-item {
    display: flex;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-gray-50);
}

.detail-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.detail-item:first-child {
    padding-top: 0;
}

.detail-item dt {
    flex: 0 0 100px;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.detail-item dd {
    flex: 1;
    margin: 0;
    font-size: 0.875rem;
    color: var(--color-gray-900);
}

/* Description Content (에디터 콘텐츠 렌더링) */
.description-content {
    color: var(--color-gray-700);
    /* 에디터 컨테이너와 동일한 line-height 적용 */
    line-height: 1;
}
.description-content.editor-content {
    margin: auto;
    width: 100%;
    text-align: center;
}

.description-content b,
.description-content strong {
    font-weight: bold !important;
}

.description-content i,
.description-content em {
    font-style: italic !important;
}

.description-content u {
    text-decoration: underline !important;
}

.description-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

.description-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.description-content table td,
.description-content table th {
    border: 1px solid var(--color-gray-200);
    padding: 0.5rem;
    text-align: left;
}

.description-content .youtube-wrapper {
    position: relative;
    width: 100%;
    max-width: 640px;
    padding-bottom: 56.25%;
    margin: 1rem 0;
}

.description-content .youtube-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
}

/* 레거시 <font size> 태그 정규화 */
.description-content font[size="1"] {
    font-size: 10px !important;
}

.description-content font[size="2"] {
    font-size: 12px !important;
}

.description-content font[size="3"] {
    font-size: 14px !important;
}

.description-content font[size="4"] {
    font-size: 16px !important;
}

.description-content font[size="5"] {
    font-size: 18px !important;
}

.description-content font[size="6"] {
    font-size: 24px !important;
}

.description-content font[size="7"] {
    font-size: 32px !important;
}

/* 배경색 스타일 */
.description-content span[style*="background-color"],
.description-content font span[style*="background-color"],
.description-content span[style*="background-color"] font {
    padding: 0.1em 0;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}

.description-content mark {
    background-color: inherit;
    color: inherit;
}

/* URL Copy */
.url-copy-wrapper {
    display: flex;
    gap: 0.5rem;
}

.url-input {
    flex: 1;
    padding: 0.625rem 0.75rem;
    font-size: 0.875rem;
    font-family: inherit;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    background-color: var(--color-gray-50);
}

/* URL + QR 레이아웃 */
.url-qr-wrapper {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.url-section {
    flex: 1;
    min-width: 0;
}

.url-row {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin-bottom: 0.75rem;
}

.url-row:last-of-type {
    margin-bottom: 0;
}

.url-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.url-row .url-copy-wrapper {
    width: 100%;
}

.url-row .url-input {
    min-width: 0;
}

.qr-section {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.qr-link {
    display: block;
    padding: 0.5rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.qr-link:hover {
    border-color: var(--color-gray-400);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.qr-link img {
    display: block;
}

.qr-hint {
    font-size: 0.75rem;
    color: var(--color-gray-400);
}

/* 모바일 대응 */
@media (max-width: 640px) {
    .url-qr-wrapper {
        flex-direction: column-reverse;
        gap: 1.5rem;
    }

    .qr-section {
        align-self: center;
    }

    .url-row {
        flex-direction: column;
        align-items: stretch;
        gap: 0.375rem;
    }

    .url-label {
        width: auto;
    }
}

/* Empty State Small */
.empty-state-small {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--color-gray-500);
}

.empty-state-small p {
    margin-bottom: 1rem;
}

/* Detail Actions */
.detail-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
}

.status-actions {
    display: flex;
    gap: 0.5rem;
}

/* Success Button */
.btn-success {
    background-color: #dcfce7;
    color: #166534;
    border-color: #86efac;
}

.btn-success:hover {
    background-color: #bbf7d0;
    color: #15803d;
}

/* D-Day */
.d-day {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-left: 0.25rem;
}

.d-day.today {
    color: var(--color-warning);
}

.d-day.expired {
    color: var(--color-gray-400);
}

@media (max-width: 768px) {
    .survey-detail-grid {
        grid-template-columns: 1fr;
    }

    .detail-card.full-width {
        grid-column: span 1;
    }

    .detail-actions {
        flex-direction: column;
        gap: 1rem;
    }

    .status-actions {
        width: 100%;
        justify-content: center;
    }

    .detail-actions > form {
        width: 100%;
    }

    .detail-actions > form .btn {
        width: 100%;
    }
}

/* ============================================================
   Question Preview List (Survey Detail)
   ============================================================ */
.question-preview-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.question-preview-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background-color: var(--color-gray-50);
    border-radius: var(--radius-md);
}

.question-preview-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background-color: var(--color-gray-200);
    color: var(--color-gray-600);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

.question-preview-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    min-width: 0;
}

.question-preview-type {
    padding: 0.125rem 0.5rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 4px;
    font-size: 0.6875rem;
    color: var(--color-gray-500);
    flex-shrink: 0;
}

.question-preview-title {
    font-size: 0.875rem;
    color: var(--color-gray-900);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.question-preview-title img {
    max-height: 1.25em;
    width: auto;
    vertical-align: middle;
}

.question-preview-required {
    padding: 0.0625rem 0.375rem;
    background-color: var(--color-error);
    color: var(--color-white);
    border-radius: 3px;
    font-size: 0.625rem;
    font-weight: 500;
    flex-shrink: 0;
}

@media (max-width: 480px) {
    .question-preview-content {
        flex-wrap: wrap;
    }

    .question-preview-title {
        width: 100%;
        order: 1;
        margin-top: 0.25rem;
    }
}

/* ============================================================
   Question Management (질문 관리 페이지)
   ============================================================ */
.question-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.question-item {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    overflow: visible; /* 에디터 툴바가 잘리지 않도록 변경 */
}

.question-item.dragging {
    opacity: 0.5;
    border: 2px dashed var(--color-accent);
}

.question-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
}

.drag-handle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: var(--color-gray-400);
    cursor: grab;
    flex-shrink: 0;
    border-radius: 4px;
    transition: color 0.15s, background-color 0.15s;
    user-select: none;
    -webkit-user-select: none;
}

.question-item.dragging * {
    user-select: none;
    -webkit-user-select: none;
}

/* 새로 추가된 질문 하이라이트 효과 */
.question-item.highlight {
    animation: questionHighlight 2s ease-out;
}

@keyframes questionHighlight {
    0% {
        background-color: rgba(59, 130, 246, 0.15);
        box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
    }
    100% {
        background-color: var(--color-white);
        box-shadow: none;
    }
}

.drag-handle:hover {
    color: var(--color-gray-600);
    background: var(--color-gray-200);
}

.drag-handle:active {
    cursor: grabbing;
    color: var(--color-accent);
}

.question-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--color-gray-800);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 0.813rem;
    font-weight: 600;
    flex-shrink: 0;
}

.question-type {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.5rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--color-gray-600);
}

.question-type svg {
    width: 14px;
    height: 14px;
}

.question-required {
    padding: 0.125rem 0.375rem;
    background: var(--color-error);
    color: var(--color-white);
    border-radius: 3px;
    font-size: 0.688rem;
    font-weight: 500;
}

.question-actions {
    display: flex;
    gap: 0.5rem;
    margin-left: auto;
}

.question-body {
    padding: 1rem;
}

.question-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-gray-900);
    margin-bottom: 0.5rem;
}

.question-description {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: 0.75rem;
}

.question-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--color-gray-50);
    border-radius: var(--radius-sm);
}

.question-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-gray-700);
}

.question-option-marker {
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-gray-400);
    border-radius: 50%;
    flex-shrink: 0;
}

.question-option-marker.checkbox {
    border-radius: 3px;
}

/* Add Question Button */
.add-question-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem;
    margin-top: 1rem;
    background: var(--color-white);
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-md);
    color: var(--color-gray-500);
    font-size: 0.938rem;
    cursor: pointer;
    transition: var(--transition-normal);
}

.add-question-btn:hover {
    border-color: var(--color-gray-800);
    color: var(--color-gray-800);
    background: var(--color-gray-50);
}

/* 설문 저장 버튼 */
.save-survey-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem;
    margin-top: 0.5rem;
    background: var(--color-gray-800);
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-size: 0.938rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
}

.save-survey-btn:hover {
    background: var(--color-gray-900);
    color: var(--color-white);
}

.save-survey-btn svg {
    flex-shrink: 0;
}

/* 미리보기 버튼 */
.preview-survey-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    color: var(--color-gray-700);
    font-size: 0.938rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
}

.preview-survey-btn:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-300);
    color: var(--color-gray-900);
}

.preview-survey-btn svg {
    flex-shrink: 0;
}

/* 하단 고정 버튼 영역 */
.sticky-footer-buttons {
    position: fixed;
    bottom: 0;
    left: 64px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    background: var(--color-white);
    border-top: 1px solid var(--color-gray-200);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
    z-index: 200000; /* editor-wrapper:focus-within보다 높게 */
}

.sticky-footer-buttons .add-question-btn,
.sticky-footer-buttons .save-survey-btn,
.sticky-footer-buttons .preview-survey-btn {
    margin-top: 0;
}

/* 버튼 행 (2개 버튼 가로 배치) */
.sticky-footer-buttons .btn-row {
    display: flex;
    gap: 0.5rem;
}

.sticky-footer-buttons .btn-row .btn-cancel,
.sticky-footer-buttons .btn-row .btn-back {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    color: var(--color-gray-700);
    font-size: 0.938rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
}

.sticky-footer-buttons .btn-row .btn-cancel:hover,
.sticky-footer-buttons .btn-row .btn-back:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-400);
}

.sticky-footer-buttons .btn-row .btn-submit {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1rem;
    background: var(--color-gray-800);
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-size: 0.938rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
}

.sticky-footer-buttons .btn-row .btn-submit:hover {
    background: var(--color-gray-900);
}

/* 하단 고정 버튼이 있을 때 메인 컨텐츠 패딩 추가 */
.admin-content:has(~ .sticky-footer-buttons) {
    padding-bottom: 260px;
}

/* 모바일 대응 */
@media (max-width: 768px) {
    .sticky-footer-buttons {
        left: 0;
        bottom: 60px; /* 모바일 네비게이션 높이 */
        width: 100%;
        max-width: none;
        padding: 0.75rem 1rem;
        gap: 0.375rem;
        box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
    }

    .sticky-footer-buttons .add-question-btn,
    .sticky-footer-buttons .save-survey-btn,
    .sticky-footer-buttons .preview-survey-btn {
        padding: 0.75rem;
        font-size: 0.875rem;
    }

    .sticky-footer-buttons .btn-row .btn-cancel,
    .sticky-footer-buttons .btn-row .btn-back,
    .sticky-footer-buttons .btn-row .btn-submit {
        padding: 0.75rem;
        font-size: 0.875rem;
    }

    /* 모바일에서 메인 컨텐츠 하단 패딩 */
    .admin-content:has(~ .sticky-footer-buttons) {
        padding-bottom: 320px;
    }
}

/* Empty Questions State */
.empty-questions {
    text-align: center;
    padding: 3rem 1rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
}

.empty-questions p {
    color: var(--color-gray-500);
    margin-bottom: 1rem;
}

/* Question Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 560px;
    max-height: none;
    overflow: visible;
}

@media (max-width: 768px) {
    .modal {
        max-height: 90vh;
        overflow: auto;
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-900);
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.modal-close:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-600);
}

.modal-body {
    padding: 1.25rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--color-gray-200);
}

/* Question Type Grid */
.type-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.type-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--color-gray-50);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
}

.type-option:hover {
    border-color: var(--color-gray-400);
}

.type-option.selected {
    border-color: var(--color-gray-800);
    background: var(--color-gray-100);
}

.type-option input {
    display: none;
}

.type-option svg {
    width: 24px;
    height: 24px;
    color: var(--color-gray-500);
}

.type-option.selected svg {
    color: var(--color-gray-800);
}

.type-option span {
    font-size: 0.813rem;
    color: var(--color-gray-600);
}

.type-option.selected span {
    color: var(--color-gray-900);
    font-weight: 500;
}

/* Options Input Container */
.options-container {
    display: none;
}

.options-container.visible {
    display: block;
}

.options-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.option-input-wrapper {
    display: flex;
    gap: 0.5rem;
}

.option-input-wrapper input {
    flex: 1;
}

.option-input-wrapper .btn-icon {
    flex-shrink: 0;
}

.options-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.add-option-btn,
.reset-option-btn {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem;
    background: none;
    border: none;
    color: var(--color-gray-600);
    font-size: 0.875rem;
    cursor: pointer;
}

.add-option-btn:hover,
.reset-option-btn:hover {
    color: var(--color-gray-900);
    text-decoration: underline;
}

/* Format Input Container (단답형 입력 형식) */
.format-container {
    display: none;
}

.format-container.visible {
    display: block;
    padding: 1rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid #bae6fd;
    border-radius: var(--radius-md);
}

.format-container > label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: #0369a1;
    margin-bottom: 0.75rem;
}

.format-container > label::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 16px;
    background: #0ea5e9;
    border-radius: 2px;
}

.format-grid {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.format-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--color-white);
    border: 1px solid #e0f2fe;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.format-option:hover {
    border-color: #7dd3fc;
    background: #f0f9ff;
}

.format-option.selected {
    border-color: #0ea5e9;
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.format-option input {
    display: none;
}

.format-option span {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.format-option.selected span {
    color: #0369a1;
    font-weight: 500;
}

/* Slider Input Container (슬라이더 설정) */
.slider-container {
    display: none;
}

.slider-container.visible {
    display: block;
    padding: 1rem;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 1px solid #fcd34d;
    border-radius: var(--radius-md);
}

.slider-container > label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: #92400e;
    margin-bottom: 0.75rem;
}

.slider-container > label::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 16px;
    background: #f59e0b;
    border-radius: 2px;
}

.slider-settings {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.slider-setting-row {
    display: flex;
    gap: 0.75rem;
}

.slider-setting-item {
    flex: 1;
}

.slider-setting-item label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: #92400e;
    margin-bottom: 0.25rem;
}

.slider-setting-item input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #fcd34d;
    border-radius: var(--radius-sm);
    background: var(--color-white);
    font-size: 0.875rem;
    text-align: center;
}

.slider-setting-item input:focus {
    outline: none;
    border-color: #f59e0b;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.slider-preview {
    padding: 1rem;
    background: var(--color-white);
    border: 1px solid #fde68a;
    border-radius: var(--radius-md);
}

.slider-preview input[type="range"] {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: #fde68a;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.slider-preview input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #f59e0b;
    border: 2px solid var(--color-white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.slider-preview input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #f59e0b;
    border: 2px solid var(--color-white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: #92400e;
}

.slider-labels span:nth-child(2) {
    font-weight: 600;
    color: #f59e0b;
}

/* Matrix Container */
.matrix-container {
    display: none;
}

.matrix-container.visible {
    display: block;
    padding: 1rem;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border: 1px solid #93c5fd;
    border-radius: var(--radius-md);
}

.matrix-container > label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: #1e40af;
    margin-bottom: 0.75rem;
}

.matrix-container > label::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 16px;
    background: #3b82f6;
    border-radius: 2px;
}

.matrix-rows-list,
.matrix-cols-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.matrix-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.matrix-input-wrapper input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid #93c5fd;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    background: var(--color-white);
}

.matrix-input-wrapper input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.matrix-container .add-option-btn {
    background: rgba(59, 130, 246, 0.1);
    border-color: #93c5fd;
    color: #1e40af;
}

.matrix-container .add-option-btn:hover {
    background: rgba(59, 130, 246, 0.2);
}

/* Icon Button */
.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    color: var(--color-gray-500);
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-icon:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-300);
    color: var(--color-gray-700);
}

.btn-icon.danger:hover {
    background: #fef2f2;
    border-color: var(--color-error);
    color: var(--color-error);
}

@media (max-width: 480px) {
    .type-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .question-header {
        flex-wrap: wrap;
    }

    .question-actions {
        width: 100%;
        margin-top: 0.5rem;
        margin-left: 0;
        justify-content: flex-end;
    }
}

/* ============================================================
   Confirm Dialog (확인 다이얼로그)
   ============================================================ */
.confirm-dialog-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.confirm-dialog-overlay.active {
    display: flex;
}

.confirm-dialog {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    animation: dialogSlideUp 0.2s ease-out;
}

@keyframes dialogSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.confirm-dialog-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.confirm-dialog-header h4 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-900);
}

.confirm-dialog-body {
    padding: 1.5rem;
}

.confirm-dialog-body p {
    margin: 0;
    color: var(--color-gray-600);
    line-height: 1.6;
}

.confirm-dialog-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ============================================================
   Cross-tabulation (교차분석)
   ============================================================ */

/* Form Controls */
.form-control {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-gray-900);
    background-color: var(--color-white);
    background-clip: padding-box;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
}

.form-control:focus {
    border-color: var(--color-accent);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-control:disabled,
.form-control[readonly] {
    background-color: var(--color-gray-100);
    opacity: 1;
}

/* Select dropdown arrow */
select.form-control {
    padding-right: 2.5rem;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23737373' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
}

select.form-control:focus {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%233b82f6' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

/* 질문 선택 영역 */
.crosstab-selector {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.crosstab-selector-row {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    flex-wrap: wrap;
}

.crosstab-selector-item {
    flex: 1;
    min-width: 200px;
}

.crosstab-selector-item label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.crosstab-selector-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    padding-bottom: 0.5rem;
}

.crosstab-selector-actions {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-gray-100);
}

/* 결과 영역 */
.crosstab-result {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.crosstab-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    gap: 1rem;
    color: var(--color-gray-500);
}

.crosstab-loading .spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 요약 정보 */
.crosstab-summary {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.crosstab-summary .stat-card {
    flex: 1;
    min-width: 150px;
}

/* 표시 옵션 */
.crosstab-options {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    flex-wrap: wrap;
}

.crosstab-options label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-gray-700);
    cursor: pointer;
}

.crosstab-options input[type="radio"] {
    accent-color: var(--color-accent);
}

/* 교차표 */
.crosstab-table-wrapper {
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

.crosstab-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.crosstab-table th,
.crosstab-table td {
    padding: 0.75rem 1rem;
    text-align: center;
    border: 1px solid var(--color-gray-200);
}

.crosstab-table thead th {
    background: var(--color-gray-100);
    font-weight: 600;
    color: var(--color-gray-700);
}

.crosstab-table tbody th {
    background: var(--color-gray-50);
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
}

.crosstab-table tbody td {
    background: var(--color-white);
    transition: background-color var(--transition-fast);
    color: var(--color-gray-900);
}

.crosstab-table .crosstab-corner {
    background: var(--color-gray-100);
}

.crosstab-table .crosstab-total {
    background: var(--color-gray-100) !important;
    font-weight: 600;
}

.crosstab-table .crosstab-grand-total {
    background: var(--color-gray-200) !important;
    font-weight: 700;
}

/* 차트 섹션 */
.crosstab-chart-section {
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-gray-100);
}

.crosstab-chart-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 1rem;
}

/* 에러 텍스트 */
.error-text {
    color: var(--color-error);
    text-align: center;
}

/* 반응형 */
@media (max-width: 768px) {
    .crosstab-selector-row {
        flex-direction: column;
        align-items: stretch;
    }

    .crosstab-selector-divider {
        padding: 0.5rem 0;
        transform: rotate(90deg);
    }

    .crosstab-selector-item {
        min-width: 100%;
    }

    .crosstab-options {
        flex-direction: column;
        gap: 0.75rem;
    }

    .crosstab-table {
        font-size: 0.75rem;
    }

    .crosstab-table th,
    .crosstab-table td {
        padding: 0.5rem;
    }
}