/* Modern Mobile-first CSS for Survey Application */
/* Design: Glassmorphism with Dark Mode Support */

/* ============================================
   CSS Custom Properties - Design Tokens
   ============================================ */

:root {
    /* Teal/Blue Theme based on custom palette */
    /* Palette: #17301c, #379392, #4fb0c6, #4f86c6, #744fc6 */
    --primary-gradient: linear-gradient(135deg, #4fb0c6 0%, #4f86c6 100%);
    --primary-color: #4fb0c6;
    --primary-hover: #379392;
    --secondary-color: #379392;
    --success-color: #744fc6;
    --success-gradient: linear-gradient(135deg, #4fb0c6 0%, #744fc6 100%);
    --error-color: #c97a7a;
    --warning-color: #d97706;

    /* Light mode colors */
    --background: #f0f7f7;
    --surface: #ffffff;
    --text-primary: #17301c;
    --text-secondary: #379392;
    --border-color: #b8dce0;

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(79, 176, 198, 0.3);
    --glass-blur: blur(12px);

    /* Modern shadows */
    --shadow-sm: 0 1px 2px rgba(23, 48, 28, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(23, 48, 28, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 25px -3px rgba(23, 48, 28, 0.12), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 40px -5px rgba(23, 48, 28, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.03);

    /* Border radius */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Focus ring */
    --focus-ring: 0 0 0 3px rgba(79, 176, 198, 0.4);
}

/* ============================================
   Dark Mode Theme
   ============================================ */

[data-theme="dark"] {
    --background: #17301c;
    --surface: #379392;
    --text-primary: #f0f7f7;
    --text-secondary: #4fb0c6;
    --border-color: #4fb0c6;

    --glass-bg: rgba(55, 147, 146, 0.85);
    --glass-border: rgba(79, 176, 198, 0.4);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.35), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);

    --focus-ring: 0 0 0 3px rgba(79, 176, 198, 0.5);
}

/* ============================================
   Dark Mode Specific Overrides
   ============================================ */

[data-theme="dark"] .btn-primary {
    background: linear-gradient(135deg, #4fb0c6 0%, #4f86c6 100%);
    color: white;
}

[data-theme="dark"] .btn-secondary {
    background: rgba(79, 176, 198, 0.2);
    color: #f0f7f7;
    border-color: #4fb0c6;
}

[data-theme="dark"] .btn-secondary:hover {
    background: rgba(79, 176, 198, 0.3);
    border-color: #4fb0c6;
}

[data-theme="dark"] .admin-nav a {
    color: #f0f7f7;
}

[data-theme="dark"] .admin-nav a:hover {
    background: rgba(79, 176, 198, 0.25);
    color: #4fb0c6;
}

[data-theme="dark"] .admin-nav a.active {
    background: linear-gradient(135deg, #4fb0c6 0%, #4f86c6 100%);
    color: white;
}

[data-theme="dark"] .rating-option {
    background: rgba(79, 176, 198, 0.15);
    border-color: #4fb0c6;
    color: #f0f7f7;
}

[data-theme="dark"] .rating-option:hover {
    border-color: #4fb0c6;
    background: rgba(79, 176, 198, 0.25);
}

[data-theme="dark"] .rating-option:has(input:checked) {
    border-color: #4fb0c6;
    background: rgba(79, 176, 198, 0.3);
}

[data-theme="dark"] .status-badge.partial {
    background: rgba(116, 79, 198, 0.3);
    color: #c4b5fd;
}

[data-theme="dark"] .status-badge.registered {
    background: rgba(79, 176, 198, 0.25);
    color: #4fb0c6;
}

[data-theme="dark"] .status-badge.not-activated {
    background: rgba(239, 68, 68, 0.25);
    color: #f87171;
}

[data-theme="dark"] .hints {
    background: rgba(79, 176, 198, 0.15);
    border-color: rgba(79, 176, 198, 0.35);
    color: #f0f7f7;
}

[data-theme="dark"] .hints .icon {
    color: #4fb0c6;
}

[data-theme="dark"] .page-header-icon {
    background: linear-gradient(135deg, #4fb0c6 0%, #4f86c6 100%);
}

[data-theme="dark"] .page-header-icon .icon {
    color: white;
}

[data-theme="dark"] .login-icon {
    background: linear-gradient(135deg, #4fb0c6 0%, #4f86c6 100%);
}

[data-theme="dark"] .login-icon .icon {
    color: white;
}

[data-theme="dark"] .success-icon {
    background: linear-gradient(135deg, #4fb0c6 0%, #744fc6 100%);
    color: white;
}

[data-theme="dark"] header h1,
[data-theme="dark"] .thank-you h1,
[data-theme="dark"] .stat-value {
    background: linear-gradient(135deg, #4fb0c6 0%, #744fc6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .toggle-switch input:checked + .toggle-slider {
    background: linear-gradient(135deg, #4fb0c6 0%, #4f86c6 100%);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea,
[data-theme="dark"] .form-group select {
    background: rgba(79, 176, 198, 0.15);
    border-color: #4fb0c6;
    color: #f0f7f7;
}

[data-theme="dark"] .form-group input::placeholder,
[data-theme="dark"] .form-group textarea::placeholder {
    color: rgba(240, 247, 247, 0.5);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group textarea:focus,
[data-theme="dark"] .form-group select:focus {
    border-color: #4fb0c6;
    box-shadow: 0 0 0 3px rgba(79, 176, 198, 0.4);
}

[data-theme="dark"] .form-group label {
    color: #f0f7f7;
}

[data-theme="dark"] .error {
    background-color: rgba(201, 122, 122, 0.2);
    border-color: rgba(201, 122, 122, 0.5);
    color: #f0a8a8;
}

[data-theme="dark"] .success {
    background-color: rgba(79, 176, 198, 0.2);
    border-color: rgba(79, 176, 198, 0.5);
    color: #4fb0c6;
}

[data-theme="dark"] .admin-table th {
    background: rgba(55, 147, 146, 0.5);
    color: #f0f7f7;
}

[data-theme="dark"] .admin-table td {
    color: #f0f7f7;
}

[data-theme="dark"] .admin-table tr:hover td {
    background: rgba(79, 176, 198, 0.1);
}

[data-theme="dark"] .info-box h2 .icon,
[data-theme="dark"] .import-info h2 .icon,
[data-theme="dark"] .settings-box h2 .icon {
    color: #4fb0c6;
}

/* ============================================
   Base Styles
   ============================================ */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background);
    min-height: 100vh;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    position: relative;
}

/* Smooth elegant background with multiple gradient layers */
body::before,
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: -1;
}

/* Primary gradient - soft top accent */
body::before {
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(79, 176, 198, 0.2) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 100% 0%, rgba(79, 134, 198, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 0% 100%, rgba(116, 79, 198, 0.1) 0%, transparent 50%);
}

/* Secondary subtle texture overlay */
body::after {
    background:
        radial-gradient(circle at 20% 80%, rgba(79, 176, 198, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 60%, rgba(79, 134, 198, 0.06) 0%, transparent 35%);
}

[data-theme="dark"] body::before {
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(79, 176, 198, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 100% 0%, rgba(79, 134, 198, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 0% 100%, rgba(116, 79, 198, 0.08) 0%, transparent 50%);
}

[data-theme="dark"] body::after {
    background:
        radial-gradient(circle at 20% 80%, rgba(79, 176, 198, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 60%, rgba(79, 134, 198, 0.05) 0%, transparent 35%);
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

/* ============================================
   Theme Toggle Button
   ============================================ */

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-toggle .icon {
    width: 20px;
    height: 20px;
    color: var(--text-primary);
}

.theme-toggle .icon-light {
    display: none;
}

[data-theme="dark"] .theme-toggle .icon-dark {
    display: none;
}

[data-theme="dark"] .theme-toggle .icon-light {
    display: block;
}

/* ============================================
   Header
   ============================================ */

header {
    text-align: center;
    margin-bottom: 30px;
    padding-top: 20px;
}

header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    background: linear-gradient(135deg, #4fb0c6 0%, #744fc6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ============================================
   Progress Bar
   ============================================ */

.progress {
    margin-bottom: 20px;
}

.progress-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.progress-bar {
    height: 10px;
    background-color: var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 10px;
    transition: width var(--transition-slow);
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ============================================
   Info Box
   ============================================ */

.info-box {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-md);
}

.info-box h2 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-box h2 .icon {
    color: var(--primary-color);
}

/* ============================================
   Forms
   ============================================ */

.registration-form,
.admin-form,
.login-form {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 24px;
    position: relative;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.form-group label .icon {
    width: 16px;
    height: 16px;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    background: var(--surface);
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: var(--focus-ring);
}

.form-group input:disabled {
    background-color: var(--background);
    color: var(--text-secondary);
    cursor: not-allowed;
}

.form-group input::placeholder {
    color: var(--text-secondary);
}

.form-group small {
    display: block;
    margin-top: 8px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.form-hint {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 12px;
    line-height: 1.5;
}

/* Checkbox Group */
.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.checkbox-group label {
    margin-bottom: 0;
    font-weight: 400;
    cursor: pointer;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn .icon {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: linear-gradient(135deg, #4fb0c6 0%, #4f86c6 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    filter: brightness(0.97);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    background: rgba(79, 176, 198, 0.15);
}

.btn-secondary:active {
    transform: translateY(0);
}

.btn-small {
    padding: 10px 18px;
    font-size: 0.875rem;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 24px;
}

/* ============================================
   Error & Success Messages
   ============================================ */

.error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--error-color);
    padding: 14px 18px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-box.error {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
}

.info-box.error p {
    color: var(--error-color);
    font-weight: 500;
}

.success {
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success-color);
    padding: 14px 18px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ============================================
   Spruch Card
   ============================================ */

.spruch-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.spruch-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.spruch-text {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.spruch-image {
    width: 100%;
    border-radius: var(--radius);
    overflow: hidden;
}

.spruch-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   Rating Legend
   ============================================ */

.rating-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    justify-content: center;
    padding: 14px 18px;
    margin-bottom: 20px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.rating-legend span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.legend-emoji {
    font-size: 1rem;
    line-height: 1;
}

/* ============================================
   Rating Form
   ============================================ */

.rating-form {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-lg);
}

.rating-hint {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 20px;
    padding: 10px;
    background: rgba(79, 176, 198, 0.1);
    border-radius: var(--radius);
}

.rating-group {
    margin-bottom: 28px;
}

.rating-group h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.rating-group h3 .icon {
    width: 18px;
    height: 18px;
    color: var(--primary-color);
}

.rating-help {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-style: italic;
    margin-bottom: 12px;
    margin-top: -6px;
}

.rating-options {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 6px;
}

.rating-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px 4px;
    background: var(--surface);
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.rating-option:hover {
    border-color: var(--primary-color);
    background: rgba(79, 176, 198, 0.15);
}

.rating-option input {
    display: none;
}

.rating-option input:checked + .rating-label {
    font-weight: 600;
}

.rating-option:has(input:checked) {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(79, 176, 198, 0.2) 0%, rgba(79, 134, 198, 0.15) 100%);
    box-shadow: var(--shadow-sm);
}

.rating-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    width: 100%;
}

.rating-number {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.rating-option:has(input:checked) .rating-number {
    color: var(--text-primary);
}

.rating-emoji {
    font-size: 1.5rem;
    line-height: 1;
    margin-bottom: 4px;
}

.rating-text {
    font-size: 0.75rem;
    line-height: 1.2;
}

.rating-na .rating-emoji {
    font-size: 1.25rem;
}

.rating-na .rating-number {
    font-size: 0.75rem;
}

/* ============================================
   Navigation
   ============================================ */

.navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 28px;
}

/* ============================================
   Thank You Page
   ============================================ */

.thank-you {
    text-align: center;
    padding: 60px 20px;
}

.success-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #4fb0c6 0%, #4f86c6 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    box-shadow: var(--shadow-lg);
    animation: pulse 2s ease-in-out infinite;
}

.success-icon .icon {
    width: 48px;
    height: 48px;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: var(--shadow-lg);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 15px rgba(16, 185, 129, 0.1), var(--shadow-xl);
    }
}

.error-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    box-shadow: var(--shadow-lg);
}

.error-icon .icon {
    width: 48px;
    height: 48px;
}

.thank-you h1 {
    font-size: 1.875rem;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #4fb0c6 0%, #744fc6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtext {
    color: var(--text-secondary);
    margin-top: 12px;
}

/* ============================================
   Admin Styles
   ============================================ */

.container.admin {
    max-width: 1200px;
}

/* Admin Page Header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.page-header-title {
    display: flex;
    align-items: center;
    gap: 14px;
}

.page-header-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #4fb0c6 0%, #4f86c6 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.page-header-icon .icon {
    width: 24px;
    height: 24px;
    color: white;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
}

.page-header-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.admin-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 12px 16px;
    margin-bottom: 24px;
    display: flex;
    gap: 8px;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-md);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.admin-nav > div {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.admin-nav a {
    color: var(--text-primary);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: var(--radius);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    font-size: 0.9375rem;
}

.admin-nav a .icon {
    width: 18px;
    height: 18px;
}

.admin-nav a:hover {
    background: rgba(79, 176, 198, 0.2);
    color: #379392;
}

.admin-nav a.active {
    background: linear-gradient(135deg, #4fb0c6 0%, #4f86c6 100%);
    color: white;
}

/* Hide nav text on small screens, show only icons */
@media (max-width: 640px) {
    .admin-nav a span,
    .admin-nav button span {
        display: none;
    }
    .admin-nav a {
        padding: 8px;
    }
}

/* Stats Grid - Bento Style */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #4fb0c6 0%, #744fc6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.stat-label .icon {
    width: 14px;
    height: 14px;
}

/* Admin Table */
.table-responsive {
    overflow-x: auto;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.admin-table th {
    background: var(--surface);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.admin-table th a {
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

.admin-table th a:hover {
    color: var(--primary-color);
}

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

.admin-table tr:hover td {
    background: rgba(79, 176, 198, 0.1);
}

.admin-table .actions {
    white-space: nowrap;
    display: flex;
    gap: 6px;
    justify-content: flex-end;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--radius);
    background: rgba(79, 176, 198, 0.1);
    color: var(--primary-color);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.action-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(79, 176, 198, 0.3);
}

.action-btn svg {
    width: 18px;
    height: 18px;
}

.action-btn-delete:hover {
    background: #dc3545;
    box-shadow: 0 2px 8px rgba(220, 53, 69, 0.3);
}

.action-btn-send:hover {
    background: #28a745;
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.3);
}

.spruch-preview {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    position: relative;
    cursor: help;
}

.spruch-preview[data-full-text]:hover::after {
    content: attr(data-full-text);
    position: absolute;
    left: 0;
    top: 100%;
    z-index: 1000;
    background: var(--surface);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 0.875rem;
    max-width: 400px;
    white-space: normal;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    margin-top: 4px;
}

/* Spruch Detail View */
.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.detail-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

.detail-counter {
    font-size: 0.875rem;
    color: var(--text-secondary);
    min-width: 60px;
    text-align: center;
}

.spruch-detail-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-lg);
}

.detail-field {
    margin-bottom: 24px;
}

.detail-field label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.detail-field label .icon {
    width: 16px;
    height: 16px;
}

.detail-value {
    color: var(--text-primary);
    line-height: 1.7;
}

.spruch-full {
    font-size: 1.125rem;
    font-weight: 500;
}

.prompt-text {
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    background: var(--surface);
    padding: 16px;
    border-radius: var(--radius);
    white-space: pre-wrap;
    border: 1px solid var(--border-color);
}

.detail-image {
    max-width: 100%;
    max-height: 400px;
    border-radius: var(--radius);
}

.detail-actions {
    display: flex;
    gap: 12px;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.status-badge .icon {
    width: 12px;
    height: 12px;
}

.status-badge.registered {
    background: rgba(251, 191, 36, 0.15);
    color: #d97706;
}

.status-badge.not-activated {
    background: rgba(239, 68, 68, 0.15);
    color: #dc2626;
}

.status-badge.partial {
    background: rgba(79, 176, 198, 0.25);
    color: #379392;
}

.status-badge.completed {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success-color);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--border-color);
    transition: all var(--transition-normal);
    border-radius: 28px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background: white;
    transition: all var(--transition-normal);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

.toggle-switch input:checked + .toggle-slider {
    background: linear-gradient(135deg, #4fb0c6 0%, #4f86c6 100%);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

.toggle-switch.small {
    width: 42px;
    height: 22px;
}

.toggle-switch.small .toggle-slider:before {
    height: 16px;
    width: 16px;
}

.toggle-switch.small input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

/* Toggle Form */
.toggle-form {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Toggle Row */
.toggle-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

/* Test Mode Form */
.test-mode-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.test-mode-form .input-field {
    width: 100%;
    padding: 12px 14px;
    background: var(--surface);
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.test-mode-form .input-field:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: var(--focus-ring);
}

.test-mode-form .btn-primary {
    align-self: flex-start;
}

[data-theme="dark"] .test-mode-form .input-field {
    background: rgba(79, 176, 198, 0.15);
    border-color: #4fb0c6;
    color: #f0f7f7;
}

[data-theme="dark"] .test-mode-form .input-field:focus {
    border-color: #4fb0c6;
    box-shadow: 0 0 0 3px rgba(79, 176, 198, 0.4);
}

/* Settings Box */
.settings-box {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-md);
}

.settings-box h2 {
    font-size: 1rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.settings-box h2 .icon {
    width: 18px;
    height: 18px;
    color: var(--primary-color);
}

/* Quick Actions */
.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
}

/* Copy Field */
.copy-field {
    display: flex;
    gap: 12px;
}

.copy-field input {
    flex: 1;
}

/* Import Info */
.import-info {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-md);
}

.import-info h2 {
    font-size: 1rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.import-info h2 .icon {
    width: 18px;
    height: 18px;
    color: var(--primary-color);
}

.import-info ul {
    list-style: disc;
    margin-left: 20px;
}

.import-info li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.import-info code {
    background: var(--surface);
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
}

/* Admin Login */
.admin-login {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.admin-login main {
    width: 100%;
    max-width: 420px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #4fb0c6 0%, #4f86c6 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: var(--shadow-lg);
}

.login-icon .icon {
    width: 36px;
    height: 36px;
    color: white;
}

.login-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.btn-full {
    width: 100%;
}

/* Hints */
.hints {
    margin-top: 24px;
    padding: 18px;
    background: rgba(79, 176, 198, 0.12);
    border: 1px solid rgba(79, 176, 198, 0.3);
    border-radius: var(--radius);
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.hints .icon {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
    flex-shrink: 0;
    margin-top: 2px;
}

/* Message Status */
.message-status {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ============================================
   Desktop Adjustments
   ============================================ */

@media (min-width: 768px) {
    .container {
        padding: 40px 24px;
    }

    header h1 {
        font-size: 2.25rem;
    }

    .rating-options {
        gap: 8px;
    }

    .rating-option {
        padding: 14px 6px;
    }

    .theme-toggle {
        top: 24px;
        right: 24px;
    }
}

/* ============================================
   Utility Classes
   ============================================ */

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

.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

/* Icon sizing helpers */
.icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.icon-sm {
    width: 16px;
    height: 16px;
}

.icon-lg {
    width: 24px;
    height: 24px;
}