/* ===================================
   POOLS - Survey Management System
   Professional CSS - Blue/Grey palette
   =================================== */

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

:root {
    --primary: #1565c0;
    --primary-dark: #0d47a1;
    --primary-light: #e3f2fd;
    --success: #2e7d32;
    --success-light: #e8f5e9;
    --warning: #f57f17;
    --warning-light: #fff8e1;
    --danger: #c62828;
    --danger-light: #ffebee;
    --info: #0277bd;
    --info-light: #e1f5fe;
    --grey-50: #fafafa;
    --grey-100: #f5f5f5;
    --grey-200: #eeeeee;
    --grey-300: #e0e0e0;
    --grey-400: #bdbdbd;
    --grey-500: #9e9e9e;
    --grey-600: #757575;
    --grey-700: #616161;
    --grey-800: #424242;
    --grey-900: #212121;
    --white: #ffffff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.2s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--grey-100);
    color: var(--grey-800);
    line-height: 1.6;
    font-size: 15px;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

/* --- Flash Messages --- */
.flash {
    position: fixed;
    top: 16px;
    right: 16px;
    padding: 12px 20px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 9999;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    max-width: 500px;
    font-size: 14px;
}
.flash-success { background: var(--success-light); color: var(--success); border-left: 4px solid var(--success); }
.flash-error { background: var(--danger-light); color: var(--danger); border-left: 4px solid var(--danger); }
.flash-close {
    background: none; border: none; font-size: 20px; cursor: pointer; color: inherit;
    margin-left: 12px; line-height: 1;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* --- Cards --- */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    margin-bottom: 20px;
    border: 1px solid var(--grey-200);
}
.card h2, .card h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    color: var(--grey-800);
    font-size: 18px;
    font-weight: 600;
}
.card h2 .material-icons, .card h3 .material-icons {
    color: var(--primary);
    font-size: 22px;
}

.highlight-card {
    border-left: 4px solid var(--primary);
    background: var(--primary-light);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
}
.btn .material-icons { font-size: 18px; }
.btn-primary {
    background: var(--primary);
    color: var(--white);
}
.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--white);
    box-shadow: var(--shadow);
}
.btn-outline {
    background: transparent;
    color: var(--grey-600);
    border: 1px solid var(--grey-300);
}
.btn-outline:hover {
    background: var(--grey-100);
    color: var(--grey-800);
}
.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}
.btn-sm .material-icons { font-size: 16px; }
.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}
.btn-block { width: 100%; justify-content: center; }

/* --- Forms --- */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--grey-700);
    font-size: 14px;
}
.form-group label .material-icons {
    font-size: 18px;
    color: var(--primary);
}
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--grey-300);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
    color: var(--grey-800);
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(21,101,192,0.15);
}
.form-control-sm {
    padding: 6px 10px;
    font-size: 13px;
}
textarea.form-control { resize: vertical; min-height: 80px; }
select.form-control { cursor: pointer; }

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}
.form-row .form-group { margin-bottom: 0; }

.required { color: var(--danger); margin-left: 2px; }

/* --- Unanswered Highlight --- */
.question-group.unanswered {
    background: #fff0f0 !important;
    border-left: 4px solid var(--danger) !important;
    padding: 16px 20px !important;
    border-radius: var(--radius) !important;
    animation: pulseHighlight 0.6s ease;
}
.question-group.unanswered .question-label {
    color: var(--danger);
}
.form-group.unanswered input.unanswered,
input.unanswered,
textarea.unanswered {
    border-color: var(--danger) !important;
    box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.15) !important;
}
.form-group.unanswered label {
    color: var(--danger);
}

@keyframes pulseHighlight {
    0% { background: #ffcdd2; }
    100% { background: #fff0f0; }
}

/* --- Checkbox / Radio --- */
.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 400 !important;
}
.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.radio-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.radio-group-vertical {
    flex-direction: column;
}
.radio-option {
    cursor: pointer;
}
.radio-option input[type="radio"] {
    display: none;
}
.radio-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border: 2px solid var(--grey-300);
    border-radius: var(--radius);
    transition: var(--transition);
    font-size: 14px;
    color: var(--grey-700);
}
.radio-label .material-icons { font-size: 18px; }
.radio-option input:checked + .radio-label {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 500;
}
.radio-option:hover .radio-label {
    border-color: var(--primary);
}

/* --- Checkbox Group (Multiple Answers) --- */
.checkbox-group-vertical {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.checkbox-option {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 10px 16px;
    border: 2px solid var(--grey-300);
    border-radius: var(--radius);
    transition: var(--transition);
    font-size: 14px;
    color: var(--grey-700);
}
.checkbox-option:hover {
    border-color: var(--primary);
}
.checkbox-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    flex-shrink: 0;
}
.checkbox-option input[type="checkbox"]:checked ~ .checkbox-label-text {
    color: var(--primary);
    font-weight: 500;
}
.checkbox-option:has(input:checked) {
    border-color: var(--primary);
    background: var(--primary-light);
}
.checkbox-label-text {
    font-size: 14px;
}

/* --- Date Input --- */
.date-input-group {
    max-width: 300px;
}
.date-input-group input[type="date"] {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--grey-300);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
    color: var(--grey-800);
    cursor: pointer;
}
.date-input-group input[type="date"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(21,101,192,0.15);
}

/* --- Rating --- */
.rating-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.rating-label-min, .rating-label-max {
    font-size: 12px;
    color: var(--grey-500);
    white-space: nowrap;
}
.rating-buttons {
    display: flex;
    gap: 4px;
}
.rating-btn {
    cursor: pointer;
}
.rating-btn input { display: none; }
.rating-btn span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 2px solid var(--grey-300);
    border-radius: 50%;
    font-size: 13px;
    font-weight: 600;
    color: var(--grey-600);
    transition: var(--transition);
}
.rating-btn:hover span {
    border-color: var(--primary);
    color: var(--primary);
}
.rating-btn input:checked + span {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

/* --- Question Group --- */
.question-group {
    padding: 20px 0;
    border-bottom: 1px solid var(--grey-200);
}
.question-group:last-child { border-bottom: none; }
.question-label {
    font-size: 15px;
    font-weight: 500;
    color: var(--grey-800);
    margin-bottom: 12px;
    display: block;
}

/* --- Tables --- */
.table-responsive { overflow-x: auto; }
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.data-table th {
    background: var(--grey-100);
    padding: 12px 14px;
    text-align: left;
    font-weight: 600;
    color: var(--grey-700);
    border-bottom: 2px solid var(--grey-300);
    white-space: nowrap;
}
.data-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--grey-200);
    color: var(--grey-800);
}
.data-table tbody tr:hover { background: var(--grey-50); }
.table-footer {
    padding: 12px 0 0;
    font-size: 13px;
    color: var(--grey-500);
}

/* --- Badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
}
.badge-completed { background: var(--success-light); color: var(--success); }
.badge-pending { background: var(--warning-light); color: var(--warning); }
.badge-declined { background: var(--danger-light); color: var(--danger); }
.badge-expired { background: var(--grey-200); color: var(--grey-600); }

/* --- Alerts --- */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 14px;
}
.alert-error {
    background: var(--danger-light);
    color: var(--danger);
    border: 1px solid #ffcdd2;
}

/* --- Empty State --- */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--grey-500);
}
.empty-state .material-icons {
    font-size: 48px;
    margin-bottom: 12px;
    display: block;
}

/* --- Text Utilities --- */
.text-muted { color: var(--grey-500); }

/* ===================================
   LOGIN PAGE
   =================================== */
.login-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    position: relative;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}
.login-page .app-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    color: rgba(255,255,255,0.5);
    margin-top: 0;
}
.login-container { width: 100%; max-width: 420px; padding: 20px; }
.login-card { padding: 32px; }
.login-header {
    text-align: center;
    margin-bottom: 24px;
}
.login-header .material-icons {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 8px;
    display: block;
}
.login-header h1 {
    font-size: 20px;
    color: var(--grey-800);
    margin-bottom: 4px;
}
.login-header p {
    color: var(--grey-500);
    font-size: 14px;
}

/* ===================================
   PUBLIC SURVEY PAGES
   =================================== */
.public-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--grey-100);
    position: relative;
}
.public-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 220px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    z-index: 0;
}
.public-page .app-footer {
    margin-top: auto;
    color: var(--grey-500);
}
.survey-container {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 30px 20px 40px;
}
.survey-header {
    text-align: center;
    color: var(--white);
    padding: 20px 0 30px;
}
.survey-header h1 {
    font-size: 24px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.survey-header.compact { padding: 16px 0 20px; }
.company-logo {
    max-height: 60px;
    margin-bottom: 12px;
}

/* Welcome */
.welcome-card { margin-bottom: 16px; }
.welcome-description {
    color: var(--grey-700);
    line-height: 1.8;
    font-size: 15px;
}
.privacy-card { }
.privacy-text {
    font-size: 13px;
    color: var(--grey-600);
    line-height: 1.7;
    max-height: 200px;
    overflow-y: auto;
    padding: 12px;
    background: var(--grey-50);
    border-radius: var(--radius);
    border: 1px solid var(--grey-200);
}
.welcome-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-top: 24px;
    flex-wrap: wrap;
}
.inline-form { display: inline; }

/* Progress */
.progress-bar-container {
    width: 100%;
    height: 6px;
    background: rgba(255,255,255,0.3);
    border-radius: 3px;
    margin: 12px 0 8px;
    overflow: hidden;
}
.progress-bar {
    height: 100%;
    background: var(--white);
    border-radius: 3px;
    transition: width 0.4s ease;
}
.progress-text {
    font-size: 13px;
    color: rgba(255,255,255,0.8);
}

/* Section card */
.section-card { }
.section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--primary-light);
}
.section-header .material-icons {
    font-size: 28px;
    color: var(--primary);
}
.section-header h2 {
    font-size: 18px;
    margin-bottom: 0;
    flex: 1;
}
.section-counter {
    font-size: 12px;
    color: var(--grey-500);
    background: var(--grey-100);
    padding: 4px 10px;
    border-radius: 20px;
}

/* Form actions */
.form-actions {
    text-align: center;
    margin-top: 24px;
}

/* Status pages */
.status-page {
    text-align: center;
    padding: 60px 30px;
    background: white;
    border-radius: var(--radius-lg, 12px);
    box-shadow: var(--shadow);
    margin-top: 40px;
}
.status-icon {
    font-size: 72px !important;
    margin-bottom: 20px;
    display: block;
}
.status-icon.success { color: var(--success); }
.status-icon.warning { color: var(--warning); }
.status-icon.info { color: var(--info); }
.status-page h1 {
    font-size: 24px;
    color: var(--grey-800);
    margin-bottom: 12px;
}
.status-page p {
    color: var(--grey-600);
    font-size: 16px;
    margin-bottom: 8px;
}
.status-details {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
    color: var(--grey-500);
    font-size: 14px;
}

/* ===================================
   ADMIN PAGES
   =================================== */
.admin-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Nav */
.admin-nav {
    width: 250px;
    background: var(--grey-900);
    color: var(--white);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 100;
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-weight: 600;
    font-size: 14px;
}
.nav-brand .material-icons { font-size: 24px; color: var(--primary); }
.nav-links { padding: 12px 0; }
.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    color: var(--grey-400);
    transition: var(--transition);
    font-size: 14px;
}
.nav-link:hover {
    background: rgba(255,255,255,0.05);
    color: var(--white);
}
.nav-link.active {
    background: rgba(21,101,192,0.2);
    color: var(--white);
    border-left: 3px solid var(--primary);
}
.nav-link .material-icons { font-size: 20px; }

/* Main Content */
.admin-content {
    flex: 1;
    margin-left: 250px;
    padding: 28px 32px;
}
.admin-content > h1 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    color: var(--grey-800);
    margin-bottom: 24px;
}
.admin-content > h1 .material-icons {
    color: var(--primary);
    font-size: 28px;
}

/* Page Header */
.page-header {
    margin-bottom: 20px;
}
.page-header h1 {
    margin-top: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
}
.page-header h1 .material-icons {
    color: var(--primary);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--grey-200);
    border-left: 4px solid var(--primary);
}
.stat-card.stat-success { border-left-color: var(--success); }
.stat-card.stat-warning { border-left-color: var(--warning); }
.stat-card.stat-danger { border-left-color: var(--danger); }
.stat-icon { }
.stat-icon .material-icons { font-size: 32px; color: var(--grey-400); }
.stat-success .stat-icon .material-icons { color: var(--success); }
.stat-warning .stat-icon .material-icons { color: var(--warning); }
.stat-danger .stat-icon .material-icons { color: var(--danger); }
.stat-value {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--grey-800);
    line-height: 1;
}
.stat-label {
    font-size: 13px;
    color: var(--grey-500);
    margin-top: 2px;
}

/* Completion Bar */
.completion-bar-container { margin-top: 8px; }
.completion-bar {
    height: 24px;
    background: var(--grey-200);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 12px;
}
.completion-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--success));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    min-width: 40px;
    transition: width 0.6s ease;
}
.completion-legend {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--grey-600);
}
.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}
.dot-success { background: var(--success); }
.dot-warning { background: var(--warning); }
.dot-danger { background: var(--danger); }
.dot-muted { background: var(--grey-400); }

/* Section Stats */
.section-stats { margin-top: 8px; }
.section-stat-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 0;
    border-bottom: 1px solid var(--grey-200);
}
.section-stat-row:last-child { border-bottom: none; }
.section-stat-label {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 280px;
    flex-shrink: 0;
    font-size: 14px;
    color: var(--grey-700);
}
.section-stat-label .material-icons { color: var(--primary); font-size: 20px; }
.section-stat-bar-container {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
}
.section-stat-bar {
    flex: 1;
    height: 10px;
    background: var(--grey-200);
    border-radius: 5px;
    overflow: hidden;
}
.section-stat-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 5px;
    transition: width 0.6s ease;
}
.section-stat-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--grey-700);
    white-space: nowrap;
    width: 50px;
    text-align: right;
}

/* Average Score */
.avg-score {
    text-align: center;
    padding: 20px;
}
.avg-score-value {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
}
.avg-score-max {
    font-size: 20px;
    color: var(--grey-500);
}

/* Detail Grid */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}
.detail-item { }
.detail-label {
    display: block;
    font-size: 12px;
    color: var(--grey-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.detail-value {
    font-size: 15px;
    font-weight: 500;
    color: var(--grey-800);
}
.score-value { color: var(--primary); font-size: 18px; }

/* Response Rows */
.response-section-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    margin: 16px -24px 0;
    border-top: 1px solid var(--grey-200);
}
.response-section-header:first-child { margin-top: 0; }
.response-section-header .material-icons { font-size: 18px; }
.response-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid var(--grey-200);
}
.response-row:last-child { border-bottom: none; }
.response-question {
    flex: 1;
    font-size: 14px;
    color: var(--grey-700);
}
.response-answer {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.response-text {
    font-weight: 500;
    color: var(--grey-800);
    font-size: 14px;
}
.response-score {
    background: var(--primary-light);
    color: var(--primary);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

/* Notes */
.note-form { margin-bottom: 20px; }
.notes-list { margin-top: 16px; }
.note-item {
    padding: 12px 16px;
    background: var(--grey-50);
    border-radius: var(--radius);
    margin-bottom: 8px;
    border-left: 3px solid var(--primary);
}
.note-meta {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--grey-500);
    margin-bottom: 6px;
}
.note-meta .material-icons { font-size: 14px; }
.note-text {
    font-size: 14px;
    color: var(--grey-700);
    line-height: 1.6;
}

/* Filters */
.filter-card { margin-bottom: 20px; }
.filter-form {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    flex-wrap: wrap;
}
.filter-group { display: flex; flex-direction: column; gap: 4px; }
.filter-group label { font-size: 12px; color: var(--grey-600); font-weight: 500; }

/* Invite form */
.invite-form .form-row { margin-bottom: 16px; }

/* Link display */
.link-display {
    display: flex;
    gap: 8px;
    align-items: center;
}
.link-display .form-control {
    font-family: 'Courier New', monospace;
    font-size: 13px;
    background: var(--white);
}

/* Export */
.export-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Print actions */
.print-actions {
    text-align: center;
    margin-top: 20px;
}

/* --- Tabs --- */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--grey-200);
    overflow-x: auto;
}
.tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    color: var(--grey-600);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
    white-space: nowrap;
}
.tab:hover { color: var(--primary); }
.tab-active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}
.tab .material-icons { font-size: 18px; }

/* --- Survey Editor --- */
.survey-section-preview {
    padding: 16px 0;
    border-bottom: 1px solid var(--grey-200);
}
.survey-section-preview:last-child { border-bottom: none; }
.section-preview-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}
.section-preview-questions { padding-left: 36px; }
.question-preview-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    font-size: 13px;
    color: var(--grey-700);
}
.question-preview-text { flex: 1; }
.question-preview-type {
    font-size: 11px;
    color: var(--grey-500);
    background: var(--grey-100);
    padding: 2px 8px;
    border-radius: 10px;
}

.section-edit-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.section-edit-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.edit-panel {
    background: var(--grey-50);
    border: 1px solid var(--grey-200);
    border-radius: var(--radius);
    padding: 16px;
    margin: 12px 0;
}

.question-edit-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--grey-200);
}
.question-edit-row:last-of-type { border-bottom: none; }
.question-edit-info {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    flex: 1;
    min-width: 0;
}
.question-edit-text {
    font-size: 14px;
    color: var(--grey-800);
    margin-bottom: 2px;
}
.question-edit-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
.question-edit-meta code {
    font-size: 11px;
    background: var(--grey-100);
    padding: 1px 6px;
    border-radius: 4px;
    color: var(--grey-600);
}
.question-edit-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

/* Example grid */
.example-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}
.example-card {
    cursor: pointer;
}
.example-card input[type="radio"] { display: none; }
.example-card-inner {
    border: 2px solid var(--grey-200);
    border-radius: var(--radius);
    padding: 14px;
    transition: var(--transition);
}
.example-card:hover .example-card-inner {
    border-color: var(--primary);
}
.example-card input:checked + .example-card-inner {
    border-color: var(--primary);
    background: var(--primary-light);
}
.example-card-title {
    font-weight: 600;
    font-size: 14px;
    color: var(--grey-800);
    margin-bottom: 6px;
}
.example-card-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--grey-500);
    margin-bottom: 4px;
}
.example-card-file {
    font-size: 11px;
    color: var(--grey-400);
}
.example-card-file code {
    background: var(--grey-100);
    padding: 1px 4px;
    border-radius: 3px;
}

/* --- Footer --- */
.app-footer {
    text-align: center;
    padding: 20px;
    color: var(--grey-500);
    font-size: 13px;
    margin-top: 40px;
}
.admin-page .app-footer {
    margin-left: 250px;
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 768px) {
    .admin-nav {
        position: static;
        width: 100%;
    }
    .nav-links {
        display: flex;
        overflow-x: auto;
        padding: 8px;
        gap: 4px;
    }
    .nav-link {
        padding: 8px 12px;
        white-space: nowrap;
        font-size: 13px;
        border-left: none !important;
    }
    .nav-link.active {
        border-left: none;
        border-bottom: 2px solid var(--primary);
        border-radius: 4px;
    }
    .admin-container { flex-direction: column; }
    .admin-content {
        margin-left: 0;
        padding: 16px;
    }
    .admin-page .app-footer { margin-left: 0; }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .section-stat-row {
        flex-direction: column;
        align-items: flex-start;
    }
    .section-stat-label { width: auto; }
    .section-stat-bar-container { width: 100%; }

    .filter-form { flex-direction: column; }

    .detail-grid {
        grid-template-columns: 1fr 1fr;
    }

    .response-row { flex-direction: column; }

    .rating-group { flex-direction: column; align-items: flex-start; }
    .rating-buttons { flex-wrap: wrap; }
    .rating-btn span { width: 34px; height: 34px; font-size: 12px; }

    .survey-container { padding: 20px 12px 30px; }
    .survey-header h1 { font-size: 20px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
    .welcome-actions { flex-direction: column; align-items: stretch; }
    .form-row { grid-template-columns: 1fr; }

}

/* ===================================
   SUPER ADMIN - Indigo Color Scheme
   =================================== */
.sa-nav {
    background: #1a237e !important;
}
.sa-nav .nav-brand .material-icons {
    color: #7986cb;
}
.sa-nav .nav-link.active {
    background: rgba(121,134,203,0.25);
    border-left-color: #7986cb;
}
.sa-nav .nav-link:hover {
    background: rgba(255,255,255,0.08);
}
.sa-page .admin-content > h1 .material-icons,
.sa-page .page-header h1 .material-icons {
    color: #1a237e;
}
.sa-page .card h2 .material-icons,
.sa-page .card h3 .material-icons {
    color: #1a237e;
}
.sa-page .form-group label .material-icons {
    color: #1a237e;
}
.sa-page .form-control:focus {
    border-color: #1a237e;
    box-shadow: 0 0 0 3px rgba(26,35,126,0.15);
}
.sa-page .btn-primary {
    background: #1a237e;
}
.sa-page .btn-primary:hover {
    background: #0d1142;
}
.sa-page .stat-card {
    border-left-color: #1a237e;
}
.sa-page .stat-card .stat-icon .material-icons {
    color: #1a237e;
}
.sa-page .stat-card.stat-success { border-left-color: var(--success); }
.sa-page .stat-card.stat-success .stat-icon .material-icons { color: var(--success); }
.sa-page .stat-card.stat-warning { border-left-color: var(--warning); }
.sa-page .stat-card.stat-warning .stat-icon .material-icons { color: var(--warning); }
.sa-page .stat-card.stat-danger { border-left-color: var(--danger); }
.sa-page .stat-card.stat-danger .stat-icon .material-icons { color: var(--danger); }
.sa-page .completion-fill {
    background: linear-gradient(90deg, #1a237e, #3949ab);
}
.sa-page .nav-link.active {
    background: rgba(26,35,126,0.2);
    border-left-color: #1a237e;
}

/* --- Contract Bar --- */
.contract-bar-wrapper { margin-bottom: 20px; }
.contract-bar-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--grey-700);
}
.contract-bar {
    height: 12px;
    background: var(--grey-200);
    border-radius: 6px;
    overflow: hidden;
}
.contract-fill {
    height: 100%;
    border-radius: 6px;
    transition: width 0.6s ease;
}
.contract-fill.ok { background: var(--success); }
.contract-fill.warning { background: var(--warning); }
.contract-fill.danger { background: var(--danger); }

/* --- Survey Cards & Access Badges --- */
.survey-card {
    border: 1px solid var(--grey-200);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 12px;
    background: var(--white);
    transition: var(--transition);
}
.survey-card:hover { box-shadow: var(--shadow); }
.access-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}
.access-badge-invite { background: #e3f2fd; color: #1565c0; }
.access-badge-public { background: #e8f5e9; color: #2e7d32; }
.badge-active { background: var(--success-light); color: var(--success); }
.badge-suspended { background: var(--danger-light); color: var(--danger); }
.badge-draft { background: var(--warning-light); color: var(--warning); }
.badge-closed { background: var(--grey-200); color: var(--grey-600); }
.badge-archived { background: var(--grey-200); color: var(--grey-500); }
.badge-disabled { background: var(--grey-200); color: var(--grey-600); }

/* --- Warning Banner --- */
.warning-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    background: var(--warning-light);
    border: 1px solid #ffe082;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 14px;
    color: #e65100;
}
.warning-banner .material-icons { font-size: 22px; }

/* --- Captcha Styles --- */
.captcha-box {
    padding: 16px 0;
}
.captcha-question {
    font-size: 18px;
    font-weight: 600;
    color: var(--grey-800);
    margin: 12px 0;
    padding: 12px 16px;
    background: var(--grey-50);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
}
.captcha-image-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 12px 0;
}
.captcha-img {
    border: 2px solid var(--grey-300);
    border-radius: var(--radius);
}

/* --- Color Picker Group --- */
.color-picker-group {
    display: flex;
    align-items: center;
    gap: 12px;
}
.color-picker-group input[type="color"] {
    width: 50px;
    height: 40px;
    border: 2px solid var(--grey-300);
    border-radius: var(--radius);
    padding: 2px;
    cursor: pointer;
    background: none;
}
.color-preview {
    width: 80px;
    height: 40px;
    border-radius: var(--radius);
    border: 1px solid var(--grey-300);
}

/* --- Nav Sub-links --- */
.nav-sublink {
    padding-left: 40px !important;
    font-size: 13px !important;
    opacity: 0.85;
}
.nav-sublink .material-icons { font-size: 16px !important; }
.nav-sublink.active { opacity: 1; }
.nav-divider {
    height: 1px;
    background: rgba(255,255,255,0.1);
    margin: 8px 16px;
}

/* --- Breadcrumb --- */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--grey-500);
    margin-bottom: 12px;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb .separator { color: var(--grey-400); }

/* --- Nav brand logo --- */
.nav-brand img {
    height: 28px;
    border-radius: 4px;
}

/* --- Quick Links Grid --- */
.quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-top: 12px;
}
.quick-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--grey-50);
    border-radius: var(--radius);
    color: var(--grey-700);
    font-size: 14px;
    transition: var(--transition);
    text-decoration: none;
}
.quick-link:hover {
    background: var(--primary-light);
    color: var(--primary);
}
.quick-link .material-icons { font-size: 20px; color: var(--primary); }

/* --- Disabled button --- */
.btn:disabled, .btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* --- Icon Picker Dialog --- */
.icon-picker-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.icon-picker-dialog {
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 680px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.icon-picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--grey-200);
}
.icon-picker-header h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
}
.icon-picker-search {
    padding: 12px 20px;
    position: relative;
    border-bottom: 1px solid var(--grey-100);
}
.icon-picker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 4px;
    padding: 16px;
    overflow-y: auto;
    flex: 1;
}
.icon-picker-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 4px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: none;
    cursor: pointer;
    transition: all 0.15s;
}
.icon-picker-item:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}
.icon-picker-item .material-icons {
    font-size: 28px;
    color: var(--grey-700, #616161);
}
.icon-picker-item:hover .material-icons {
    color: var(--primary);
}
.icon-picker-label {
    font-size: 10px;
    color: var(--grey-500);
    text-align: center;
    line-height: 1.2;
    word-break: break-all;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
@media (max-width: 600px) {
    .icon-picker-dialog { max-width: 100%; max-height: 90vh; }
    .icon-picker-grid { grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); padding: 12px; }
}

/* --- Print --- */
@media print {
    .admin-nav, .flash, .filter-card, .btn, .note-form, .print-actions, .nav-links, .export-actions { display: none !important; }
    .admin-content { margin-left: 0; }
    .admin-page .app-footer { margin-left: 0; }
    .card { box-shadow: none; border: 1px solid #ddd; break-inside: avoid; }
    body { background: white; }
    .stat-card { border: 1px solid #ddd; }
}