/* ==========================================================================
   Earnora - Premium PTC & Video Ads Platform Design System
   ========================================================================== */

:root {
    --bg-body: #F8FAFC;
    --bg-sidebar: #111827;
    --bg-sidebar-hover: #1F2937;
    --bg-sidebar-active: #10B981;
    --bg-card: #FFFFFF;
    
    --primary: #10B981;
    --primary-hover: #059669;
    --primary-light: #ECFDF5;
    --primary-border: #A7F3D0;
    
    --secondary: #06B6D4;
    --secondary-dark: #0891B2;
    --gradient-primary: linear-gradient(135deg, #10B981 0%, #06B6D4 100%);
    --gradient-navy: linear-gradient(135deg, #111827 0%, #1F2937 100%);
    --gradient-gold: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    
    --text-main: #111827;
    --text-muted: #6B7280;
    --text-subtle: #9CA3AF;
    --text-inverted: #FFFFFF;
    
    --border-color: #E5E7EB;
    --border-light: #F3F4F6;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    
    --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --sidebar-width: 260px;
    --header-height: 70px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

/* Utility Containers */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* App Main Layout */
.app-layout {
    display: flex;
    min-height: 100vh;
    background-color: var(--bg-body);
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    color: #E5E7EB;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, width 0.3s ease;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-brand {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: #FFFFFF;
    letter-spacing: -0.02em;
}

.brand-logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: 1.1rem;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.35);
}

.brand-badge {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    background: rgba(16, 185, 129, 0.15);
    color: #34D399;
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: 0.05em;
    margin-left: 0.3rem;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0.75rem;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}

.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}
.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.nav-section-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #6B7280;
    font-weight: 600;
    padding: 0.75rem 0.75rem 0.35rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.65rem 0.85rem;
    border-radius: var(--radius-md);
    color: #9CA3AF;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 2px;
    transition: var(--transition);
}

.nav-item i {
    width: 20px;
    font-size: 1rem;
    text-align: center;
    color: #6B7280;
    transition: var(--transition);
}

.nav-item:hover {
    background-color: var(--bg-sidebar-hover);
    color: #FFFFFF;
}

.nav-item:hover i {
    color: var(--primary);
}

.nav-item.active {
    background: var(--gradient-primary);
    color: #FFFFFF;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

.nav-item.active i {
    color: #FFFFFF;
}

.nav-item .badge-nav {
    margin-left: auto;
    font-size: 0.7rem;
    padding: 2px 7px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.15);
    color: #FFFFFF;
    font-weight: 600;
}

.sidebar-footer {
    padding: 1rem 1rem 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: #0B0F19;
}

.sidebar-user-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.user-avatar-sm {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--primary);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.user-meta-sm {
    overflow: hidden;
    flex: 1;
}

.user-meta-sm .name {
    font-size: 0.85rem;
    font-weight: 600;
    color: #FFFFFF;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-meta-sm .role {
    font-size: 0.72rem;
    color: #10B981;
    font-weight: 500;
}

.sidebar-reset-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    width: 100%;
    margin-top: 0.65rem;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(239, 68, 68, 0.12);
    color: #F87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
    cursor: pointer;
    transition: var(--transition);
}

.sidebar-reset-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #EF4444;
}

/* Main Wrapper */
.main-wrapper {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 100vh;
}

/* Top Header */
.top-header {
    height: var(--header-height);
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.75rem;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.sidebar-toggle-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.4rem;
    border-radius: var(--radius-sm);
}

.sidebar-toggle-btn:hover {
    background: var(--border-light);
    color: var(--text-main);
}

.page-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.page-breadcrumb .current {
    font-weight: 600;
    color: var(--text-main);
    font-size: 1.05rem;
}

.demo-pill-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: #FEF3C7;
    color: #92400E;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
    border: 1px solid #FDE68A;
}

.demo-pill-badge::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #F59E0B;
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.3);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-search {
    position: relative;
    display: none;
}

@media (min-width: 860px) {
    .header-search {
        display: block;
    }
}

.header-search input {
    background-color: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    padding: 0.45rem 1rem 0.45rem 2.2rem;
    font-size: 0.85rem;
    width: 220px;
    transition: var(--transition);
}

.header-search input:focus {
    outline: none;
    border-color: var(--primary);
    background-color: #FFFFFF;
    width: 260px;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}

.header-search i {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-subtle);
    font-size: 0.8rem;
}

.header-action-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.header-action-icon:hover {
    background-color: var(--border-light);
    color: var(--text-main);
}

.badge-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    background-color: #EF4444;
    border-radius: 50%;
    border: 2px solid #FFFFFF;
}

.header-user-btn {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.35rem 0.75rem 0.35rem 0.4rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    background-color: #FFFFFF;
    cursor: pointer;
    transition: var(--transition);
}

.header-user-btn:hover {
    border-color: var(--primary-border);
    box-shadow: var(--shadow-sm);
}

.header-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

.header-user-info {
    text-align: left;
    display: none;
}

@media (min-width: 640px) {
    .header-user-info {
        display: block;
    }
}

.header-user-info .name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.2;
}

.header-user-info .balance {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--primary);
}

/* Page Content Area */
.page-content {
    flex: 1;
    padding: 1.75rem;
}

/* Page Header Block */
.page-header-block {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.75rem;
}

.page-header-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.02em;
}

.page-header-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

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

/* Cards System */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-top: 0.15rem;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    background-color: #FAFAFA;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Stat Cards (Fintech 4-Column Row) */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.4rem;
    position: relative;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: #CBD5E1;
}

.stat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.85rem;
}

.stat-card-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.stat-card-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.icon-emerald {
    background: #ECFDF5;
    color: #10B981;
}

.icon-blue {
    background: #EFF6FF;
    color: #3B82F6;
}

.icon-purple {
    background: #F5F3FF;
    color: #8B5CF6;
}

.icon-amber {
    background: #FFFBEB;
    color: #F59E0B;
}

.icon-rose {
    background: #FFF1F2;
    color: #F43F5E;
}

.stat-card-value {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 0.45rem;
}

.stat-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.stat-card-trend {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-weight: 600;
}

.trend-up {
    color: #10B981;
}

.trend-neutral {
    color: #6B7280;
}

/* Secondary Stats Row */
.substats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 900px) {
    .substats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.substat-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.substat-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--border-light);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
}

.substat-info .substat-title {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.substat-info .substat-num {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition);
    text-align: center;
    line-height: 1.2;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #FFFFFF;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.35);
    filter: brightness(1.05);
}

.btn-secondary {
    background-color: #FFFFFF;
    border-color: var(--border-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    background-color: var(--border-light);
    border-color: #CBD5E1;
}

.btn-dark {
    background-color: var(--bg-sidebar);
    color: #FFFFFF;
}

.btn-dark:hover {
    background-color: #1F2937;
}

.btn-danger {
    background-color: #EF4444;
    color: #FFFFFF;
}

.btn-danger:hover {
    background-color: #DC2626;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 0.85rem 1.75rem;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn-block {
    width: 100%;
}

.btn:disabled, .btn.disabled {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
    box-shadow: none !important;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
    font-size: 0.74rem;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
}

.badge-success {
    background-color: #ECFDF5;
    color: #065F46;
    border: 1px solid #A7F3D0;
}

.badge-warning {
    background-color: #FFFBEB;
    color: #92400E;
    border: 1px solid #FDE68A;
}

.badge-danger {
    background-color: #FEF2F2;
    color: #991B1B;
    border: 1px solid #FECACA;
}

.badge-info {
    background-color: #EFF6FF;
    color: #1E40AF;
    border: 1px solid #BFDBFE;
}

.badge-primary {
    background-color: rgba(16, 185, 129, 0.12);
    color: #047857;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-sponsored {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    color: #FFFFFF;
    box-shadow: 0 2px 6px rgba(245, 158, 11, 0.3);
}

.badge-neutral {
    background-color: var(--border-light);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

/* Tabs */
.filter-tabs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
    margin-bottom: 1.5rem;
    scrollbar-width: none;
}

.filter-tabs::-webkit-scrollbar {
    display: none;
}

.filter-tab {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    background-color: #FFFFFF;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
}

.filter-tab:hover {
    color: var(--text-main);
    border-color: #CBD5E1;
}

.filter-tab.active {
    background: var(--bg-sidebar);
    color: #FFFFFF;
    border-color: var(--bg-sidebar);
}

/* Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    text-align: left;
}

.table th {
    background-color: #F8FAFC;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    vertical-align: middle;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background-color: #F8FAFC;
}

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

/* Ad Cards Grid */
.ads-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.25rem;
}

@media (min-width: 640px) {
    .ads-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1080px) {
    .ads-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.ad-card {
    background-color: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    position: relative;
}

.ad-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: #CBD5E1;
}

.ad-card-top {
    height: 120px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: #FFFFFF;
    position: relative;
}

.ad-card-badge {
    position: absolute;
    top: 0.85rem;
    right: 0.85rem;
}

.ad-card-icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #FFFFFF;
}

.ad-card-advertiser {
    font-size: 0.75rem;
    font-weight: 600;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.ad-card-body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.ad-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.3;
    margin-bottom: 0.5rem;
}

.ad-card-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.45;
    margin-bottom: 1.25rem;
    flex: 1;
}

.ad-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.85rem;
    border-top: 1px solid var(--border-color);
    margin-bottom: 1rem;
    font-size: 0.82rem;
}

.ad-card-duration {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--text-muted);
}

.ad-card-reward {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--primary);
}

/* Video Card Grid */
.video-card {
    background-color: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.video-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: #CBD5E1;
}

.video-thumb-container {
    height: 180px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: #FFFFFF;
}

.video-play-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    color: #111827;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    padding-left: 3px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.video-card:hover .video-play-btn {
    transform: scale(1.12);
    background: #FFFFFF;
    color: var(--primary);
}

.video-duration-badge {
    position: absolute;
    bottom: 0.75rem;
    right: 0.75rem;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    color: #FFFFFF;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 4px;
}

.video-reward-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: var(--primary);
    color: #FFFFFF;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 6px;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.35);
}

/* Tasks Grid */
.tasks-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .tasks-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.task-card {
    background-color: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
}

.task-card:hover {
    box-shadow: var(--shadow-md);
    border-color: #CBD5E1;
}

.task-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.task-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.task-meta-top {
    flex: 1;
}

.task-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.3;
}

.task-category {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.task-reward-box {
    text-align: right;
    flex-shrink: 0;
}

.task-reward-amount {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary);
}

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

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.45rem;
}

.form-control {
    width: 100%;
    padding: 0.65rem 1rem;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: #FFFFFF;
    color: var(--text-main);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}

.form-select {
    width: 100%;
    padding: 0.65rem 1rem;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: #FFFFFF;
    color: var(--text-main);
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}

.input-group {
    display: flex;
    align-items: stretch;
}

.input-prefix {
    background-color: #F8FAFC;
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    padding: 0 1rem;
    display: flex;
    align-items: center;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.88rem;
}

.input-group .form-control {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.form-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

/* Modals */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

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

.modal-dialog {
    background: #FFFFFF;
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 520px;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.25s ease-out;
    overflow: hidden;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(15px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.15rem;
    font-weight: 700;
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--text-muted);
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close-btn:hover {
    background: var(--border-light);
    color: var(--text-main);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    background: #F8FAFC;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Toasts */
.toast-container {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
}

.toast {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    max-width: 420px;
    pointer-events: auto;
    animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border-left: 4px solid var(--primary);
}

.toast.toast-error {
    border-left-color: #EF4444;
}

.toast.toast-warning {
    border-left-color: #F59E0B;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast-icon {
    font-size: 1.2rem;
    color: var(--primary);
}

.toast.toast-error .toast-icon {
    color: #EF4444;
}

.toast.toast-warning .toast-icon {
    color: #F59E0B;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-main);
}

.toast-message {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Checklists & Quick Actions */
.checklist-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.checklist-checkbox {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    border: 2px solid #CBD5E1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
}

.checklist-checkbox.checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checklist-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-main);
}

.checklist-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* Responsive Sidebar Drawer */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: 0 0 40px rgba(0, 0, 0, 0.4);
    }

    .main-wrapper {
        margin-left: 0;
    }

    .sidebar-toggle-btn {
        display: block;
    }
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 95;
    display: none;
}

.sidebar-overlay.active {
    display: block;
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--border-light);
    color: var(--text-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin: 0 auto 1.25rem;
}

.empty-state-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.4rem;
}

.empty-state-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    max-width: 380px;
    margin: 0 auto 1.25rem;
}