/* ========== CSS Variables ========== */
:root {
    --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Cyberpunk-inspired color palette */
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-tertiary: #1a2332;
    --bg-card: #151d2e;
    --bg-input: #0d1321;
    
    --accent-cyan: #00d4ff;
    --accent-purple: #a855f7;
    --accent-pink: #ec4899;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --border-color: #1e293b;
    --border-glow: rgba(0, 212, 255, 0.3);
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.15);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    
    --sidebar-width: 240px;
    --header-height: 60px;
}

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

html, body {
    height: 100%;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========== Page Transitions ========== */
.page {
    display: none;
    min-height: 100vh;
}

.page.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ========== Login Page ========== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, var(--bg-primary) 0%, #0f172a 50%, #1e1b4b 100%);
    overflow: hidden;
}

.login-bg-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(168, 85, 247, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 40px,
            rgba(0, 212, 255, 0.02) 40px,
            rgba(0, 212, 255, 0.02) 41px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 40px,
            rgba(168, 85, 247, 0.02) 40px,
            rgba(168, 85, 247, 0.02) 41px
        );
    animation: patternMove 20s linear infinite;
}

@keyframes patternMove {
    0% { background-position: 0 0, 0 0, 0 0, 0 0; }
    100% { background-position: 0 0, 0 0, 0 40px, 40px 0; }
}

.login-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 48px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    animation: cardFloat 0.5s ease-out;
}

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

.login-card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 20%;
    right: 20%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.login-header {
    text-align: center;
    margin-bottom: 36px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.logo-icon {
    font-size: 40px;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

.logo-text {
    font-family: var(--font-mono);
    font-size: 28px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ========== Form Elements ========== */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group label .hint {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 400;
}

.form-group input,
.form-group textarea,
.form-group select {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 14px;
    color: var(--text-primary);
    font-family: inherit;
    transition: all 0.2s ease;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    font-family: var(--font-mono);
    font-size: 13px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

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

.help-text {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-cyan);
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), #0891b2);
    color: #000;
    box-shadow: 0 2px 8px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-block {
    width: 100%;
}

/* ========== Sidebar ========== */
#main-page {
    display: none;
}

#main-page.active {
    display: flex;
}

.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-header {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header .logo-icon {
    font-size: 28px;
}

.sidebar-header .logo-text {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    list-style: none;
    padding: 16px 12px;
    flex: 1;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 4px;
    color: var(--text-secondary);
}

.nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(168, 85, 247, 0.1));
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.nav-icon {
    font-size: 18px;
}

.nav-text {
    font-size: 14px;
    font-weight: 500;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
}

.btn-logout {
    width: 100%;
    padding: 12px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s ease;
}

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

/* ========== Main Content ========== */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
    padding: 32px;
    background: var(--bg-primary);
}

.content-section {
    display: none;
    animation: slideIn 0.3s ease;
}

.content-section.active {
    display: block;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.section-header {
    margin-bottom: 32px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
}

.section-header h1 {
    font-size: 28px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    flex: 1;
    color: var(--text-muted);
    font-size: 14px;
}

/* ========== Stats Grid ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    border-color: rgba(0, 212, 255, 0.3);
}

.stat-icon {
    font-size: 40px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent-cyan);
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
}

/* ========== Info Card ========== */
.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
}

.info-card h3 {
    font-size: 18px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.info-card ul {
    list-style: none;
}

.info-card li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-secondary);
}

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

.info-card li strong {
    color: var(--accent-cyan);
}

/* ========== Form Card ========== */
.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px;
}

/* ========== Variables Card ========== */
.variables-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    margin-bottom: 20px;
}

.variables-card h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.variables-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
}

.variable-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
}

.variable-item code {
    background: var(--bg-input);
    color: var(--accent-cyan);
    padding: 4px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 12px;
    white-space: nowrap;
}

.variable-item span {
    font-size: 13px;
    color: var(--text-muted);
}

/* ========== Keyboard Builder ========== */
.keyboard-builder {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.keyboard-row {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px;
}

.keyboard-row-label {
    font-size: 12px;
    color: var(--text-muted);
    min-width: 50px;
}

.keyboard-row-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    flex: 1;
}

.keyboard-btn-item {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px 8px;
}

.keyboard-btn-item input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 13px;
    width: 100px;
    outline: none;
}

.keyboard-btn-item input::placeholder {
    color: var(--text-muted);
}

.keyboard-btn-item input:focus {
    color: var(--accent-cyan);
}

.keyboard-btn-delete {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    padding: 0 4px;
    line-height: 1;
    transition: color 0.2s;
}

.keyboard-btn-delete:hover {
    color: var(--accent-red);
}

.keyboard-row-actions {
    display: flex;
    gap: 6px;
}

.keyboard-row-actions button {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}

.keyboard-row-actions button:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.keyboard-row-actions .btn-delete-row:hover {
    background: var(--accent-red);
    border-color: var(--accent-red);
    color: white;
}

/* ========== Inline Button Builder ========== */
.inline-btn-builder {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 300px;
    overflow-y: auto;
}

.inline-btn-row {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px;
}

.inline-btn-row-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.inline-btn-row-header span {
    font-size: 12px;
    color: var(--text-muted);
}

.inline-btn-row-header button {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 12px;
    padding: 4px 8px;
}

.inline-btn-row-header button:hover {
    color: var(--accent-red);
}

.inline-btn-row-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.inline-btn-item {
    display: grid;
    grid-template-columns: 1fr 80px 1fr auto;
    gap: 8px;
    align-items: center;
}

.inline-btn-item input {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px 10px;
    font-size: 13px;
    color: var(--text-primary);
}

.inline-btn-item input:focus {
    outline: none;
    border-color: var(--accent-cyan);
}

.inline-btn-item select {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px;
    font-size: 13px;
    color: var(--text-primary);
}

.inline-btn-item .btn-remove {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 18px;
    padding: 4px 8px;
}

.inline-btn-item .btn-remove:hover {
    color: var(--accent-red);
}

.inline-btn-row-add {
    margin-top: 8px;
}

.inline-btn-row-add button {
    background: var(--bg-input);
    border: 1px dashed var(--border-color);
    border-radius: 4px;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 12px;
    padding: 6px 12px;
    width: 100%;
}

.inline-btn-row-add button:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.inline-btn-empty {
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

/* ========== Media Upload Grid ========== */
.media-upload-area {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px;
}

.media-grid {
    width:500px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 12px;
}

.media-grid:empty {
    display: none;
}

.media-grid-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
}

.media-grid-item img,
.media-grid-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-grid-item .media-delete {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    background: rgba(239, 68, 68, 0.9);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s;
}

.media-grid-item:hover .media-delete {
    opacity: 1;
}

.media-grid-item .media-type-badge {
    position: absolute;
    bottom: 4px;
    left: 4px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
}

.media-upload-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-muted);
    font-size: 14px;
}

.media-upload-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.media-upload-btn.uploading {
    pointer-events: none;
    opacity: 0.6;
}

/* ========== Broadcast ========== */
.broadcast-stats {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.broadcast-stats .stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
}

.broadcast-stats .stat-item strong {
    color: var(--accent-cyan);
    font-size: 18px;
}

.broadcast-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin: 20px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--accent-orange);
    font-size: 14px;
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 20px;
}

.btn-broadcast {
    background: linear-gradient(135deg, var(--accent-orange), #d97706);
    min-width: 140px;
}

.btn-broadcast:hover {
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
}

.broadcast-progress {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.progress-bar {
    height: 8px;
    background: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s ease;
}

.progress-stats {
    display: flex;
    gap: 24px;
    margin-top: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

.progress-stats strong {
    color: var(--text-primary);
}

/* ========== Data Table ========== */
.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

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

.data-table th,
.data-table td {
    padding: 14px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-tertiary);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.data-table td {
    font-size: 14px;
    color: var(--text-secondary);
}

.data-table tr:hover td {
    background: rgba(0, 212, 255, 0.03);
}

.data-table .actions {
    display: flex;
    gap: 8px;
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
}

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

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

.badge-info {
    background: rgba(0, 212, 255, 0.15);
    color: var(--accent-cyan);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-orange);
}

/* ========== Pagination ========== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 20px;
}

.pagination button {
    padding: 8px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.pagination button:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.pagination button.active {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: #000;
}

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

/* ========== Modal ========== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
    animation: fadeIn 0.2s ease;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlide 0.3s ease;
}

.modal-content.modal-sm {
    max-width: 380px;
}

.modal-content.modal-lg {
    max-width: 700px;
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-content form {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    margin-top: 8px;
}

/* ========== Toast ========== */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 14px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    color: var(--text-primary);
    font-size: 14px;
    z-index: 2000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    border-color: var(--accent-green);
    background: rgba(16, 185, 129, 0.1);
}

.toast.error {
    border-color: var(--accent-red);
    background: rgba(239, 68, 68, 0.1);
}

/* ========== Scrollbar ========== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 0;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .login-card {
        padding: 32px 24px;
        margin: 16px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}