/* 
 * SendPigeon - Email Marketing Platform
 * Modern Dark Theme with Cyan Accents
 */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a26;
    --bg-card: #15151f;
    --bg-hover: #1e1e2e;
    
    --text-primary: #f0f0f5;
    --text-secondary: #9090a0;
    --text-muted: #606070;
    
    --accent-cyan: #00d4ff;
    --accent-cyan-dim: #00a0c0;
    --accent-purple: #a855f7;
    --accent-green: #22c55e;
    --accent-red: #ef4444;
    --accent-yellow: #eab308;
    --accent-orange: #f97316;
    
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #a855f7 100%);
    --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 100%);
    
    --border-color: rgba(255, 255, 255, 0.06);
    --border-glow: rgba(0, 212, 255, 0.3);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.15);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --font-main: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --sidebar-width: 260px;
    --header-height: 70px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

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

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

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

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

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    padding: 8px 12px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    margin-bottom: 4px;
    transition: all 0.2s ease;
    font-weight: 500;
}

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

.nav-link.active {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-cyan);
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    width: 3px;
    height: 24px;
    background: var(--accent-cyan);
    border-radius: 0 4px 4px 0;
}

.nav-icon {
    font-size: 20px;
    opacity: 0.8;
}

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

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-details {
    flex: 1;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
}

.user-email {
    font-size: 12px;
    color: var(--text-muted);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

/* Header */
.header {
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.page-title {
    font-size: 20px;
    font-weight: 600;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--accent-cyan);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-search {
    position: relative;
}

.header-search input {
    width: 280px;
    padding: 10px 16px 10px 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: all 0.2s ease;
}

.header-search input:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.header-search input::placeholder {
    color: var(--text-muted);
}

.header-search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.icon-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* Content Area */
.content {
    padding: 32px;
}

/* Stats Cards */
.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-lg);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.stat-card:hover::before {
    opacity: 1;
}

.stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.cyan { background: rgba(0, 212, 255, 0.15); color: var(--accent-cyan); }
.stat-icon.purple { background: rgba(168, 85, 247, 0.15); color: var(--accent-purple); }
.stat-icon.green { background: rgba(34, 197, 94, 0.15); color: var(--accent-green); }
.stat-icon.orange { background: rgba(249, 115, 22, 0.15); color: var(--accent-orange); }

.stat-change {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 20px;
}

.stat-change.positive {
    background: rgba(34, 197, 94, 0.15);
    color: var(--accent-green);
}

.stat-change.negative {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 4px;
}

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

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: visible;
}

.card-body {
    position: relative;
}

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

.card-title {
    font-size: 16px;
    font-weight: 600;
}

.card-body {
    padding: 24px;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

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

th, td {
    padding: 16px 20px;
    text-align: left;
}

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

td {
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

tr:hover td {
    background: var(--bg-hover);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge.draft { background: rgba(144, 144, 160, 0.2); color: var(--text-secondary); }
.badge.scheduled { background: rgba(234, 179, 8, 0.2); color: var(--accent-yellow); }
.badge.sending { background: rgba(0, 212, 255, 0.2); color: var(--accent-cyan); }
.badge.sent { background: rgba(34, 197, 94, 0.2); color: var(--accent-green); }
.badge.subscribed { background: rgba(34, 197, 94, 0.2); color: var(--accent-green); }
.badge.unsubscribed { background: rgba(239, 68, 68, 0.2); color: var(--accent-red); }
.badge.bounced { background: rgba(249, 115, 22, 0.2); color: var(--accent-orange); }
.badge.complained { background: rgba(220, 38, 38, 0.2); color: #dc2626; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #000;
}

.btn-primary:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

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

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

.btn-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--accent-red);
}

.btn-danger:hover {
    background: var(--accent-red);
    color: #fff;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    justify-content: center;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-main);
    outline: none;
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
}

/* Form Row */
.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.form-check input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-cyan);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

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

.modal-title {
    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-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

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

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 24px;
    border-top: 1px solid var(--border-color);
}

/* Alert */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--accent-green);
}

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--accent-red);
}

.alert-warning {
    background: rgba(234, 179, 8, 0.15);
    border: 1px solid rgba(234, 179, 8, 0.3);
    color: var(--accent-yellow);
}

.alert-info {
    background: rgba(0, 212, 255, 0.15);
    border: 1px solid rgba(0, 212, 255, 0.3);
    color: var(--accent-cyan);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.pagination-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    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;
    text-decoration: none;
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-icon {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.3;
}

.empty-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.empty-text {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 300px;
}

/* Progress Bar */
.progress {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-tertiary);
    padding: 4px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}

.tab {
    flex: 1;
    padding: 12px 20px;
    text-align: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    background: var(--bg-card);
    color: var(--accent-cyan);
}

/* Editor */
.email-editor {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.editor-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.toolbar-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.toolbar-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.toolbar-btn.active {
    background: var(--accent-cyan);
    color: #000;
}

.toolbar-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 8px;
}

.editor-content {
    min-height: 400px;
    padding: 20px;
    background: #fff;
    color: #333;
}

.editor-content:focus {
    outline: none;
}

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(168, 85, 247, 0.08) 0%, transparent 50%);
    animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-20px, -20px); }
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 48px;
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
}

.login-logo {
    text-align: center;
    margin-bottom: 40px;
}

.login-logo .logo-icon {
    width: 60px;
    height: 60px;
    font-size: 28px;
    margin: 0 auto 16px;
}

.login-logo h1 {
    font-size: 28px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-logo p {
    color: var(--text-secondary);
    margin-top: 8px;
}

/* Grid Layout */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* Responsive */
@media (max-width: 1400px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1200px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .content {
        padding: 20px;
    }
    
    .header {
        padding: 0 16px;
    }
    
    .header-search {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.3s ease;
}

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

.slide-in {
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { transform: translateX(-20px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 180px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease;
    z-index: 100;
    box-shadow: var(--shadow-lg);
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

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

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    animation: toastIn 0.3s ease;
}

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

.toast.success { border-left: 3px solid var(--accent-green); }
.toast.error { border-left: 3px solid var(--accent-red); }
.toast.warning { border-left: 3px solid var(--accent-yellow); }
.toast.info { border-left: 3px solid var(--accent-cyan); }

/* Subscriber Import */
.import-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
}

.import-zone:hover,
.import-zone.dragover {
    border-color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.05);
}

.import-zone-icon {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

/* Campaign Preview */
.preview-frame {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.preview-header {
    background: var(--bg-tertiary);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.preview-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.preview-dot.red { background: #ef4444; }
.preview-dot.yellow { background: #eab308; }
.preview-dot.green { background: #22c55e; }

.preview-body {
    padding: 20px;
    min-height: 400px;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-cyan { color: var(--accent-cyan); }
.text-green { color: var(--accent-green); }
.text-red { color: var(--accent-red); }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

.w-100 { width: 100%; }
.hidden { display: none !important; }

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-tertiary);
    transition: 0.3s;
    border-radius: 24px;
    border: 1px solid var(--border-color);
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background-color: var(--text-secondary);
    transition: 0.3s;
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--accent-cyan);
    border-color: var(--accent-cyan);
}

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

/* Social Items for Footer Modal */
.socials-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.social-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px;
}

.social-item-header {
    display: flex;
    align-items: center;
}

.social-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
    flex: 1;
}

.social-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    cursor: pointer;
}

.social-item-url {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}

.social-item-url input {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
}

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

/* Column Content Toolbar */
.column-content-toolbar {
    position: absolute;
    top: -28px;
    right: 0;
    display: none;
    gap: 4px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 3px;
    z-index: 10;
}

.column-content:hover .column-content-toolbar,
.column-content.selected .column-content-toolbar {
    display: flex;
}

.column-content-toolbar button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 11px;
}

.column-content-toolbar button:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Footer Block Styles */
.block-footer {
    text-align: center;
    padding: 30px 20px;
    background: #f8f8f8;
    font-size: 12px;
    color: #888;
}

.footer-social-icons {
    margin-bottom: 15px;
}

.footer-social-icons .social-icon {
    display: inline-block;
    margin: 0 8px;
}

.footer-social-icons .social-icon img {
    width: 28px;
    height: 28px;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.footer-social-icons .social-icon:hover img {
    opacity: 1;
}

.footer-content p {
    margin: 5px 0;
}

.footer-links {
    margin-top: 15px;
}

.footer-links a {
    color: #0066cc;
    text-decoration: underline;
}

.footer-separator {
    margin: 0 8px;
    color: #ccc;
}