/**
 * Main Stylesheet - Uses Theme System
 * Theme variables are defined in theme.css (loaded first in HTML)
 * 
 * IMPORTANT: theme.css must be included BEFORE this file in HTML
 */

/* Legacy variable mappings for backward compatibility */
:root {
    --sidebar-bg: var(--bg-sidebar);
    --sidebar-hover: var(--bg-sidebar-hover);
    --sidebar-active: var(--bg-sidebar-active);
    --accent-blue: var(--color-accent);
    --accent-blue-hover: var(--color-accent-hover);
    --accent-green: var(--color-success);
    --accent-red: var(--color-danger);
    --accent-yellow: var(--color-warning);
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-family-base);
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    transition: background-color var(--transition-base), color var(--transition-base);
    line-height: var(--line-height-normal);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    position: relative;
    overflow-x: hidden;
}

body.dark-mode {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    background-attachment: fixed;
}

/* Animated background gradient */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: gradientShift 20s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

body.dark-mode::before {
    background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
}

@keyframes gradientShift {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(20%, 20%) rotate(120deg);
    }
    66% {
        transform: translate(-20%, 20%) rotate(240deg);
    }
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    height: 100vh;
    background: var(--bg-sidebar);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: var(--text-primary);
    overflow-y: auto;
    overflow-x: hidden;
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
    border-right: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    animation: slideInLeft 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.sidebar-header {
    padding: var(--spacing-6) var(--spacing-5);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-3);
    background: var(--bg-primary);
}

.sidebar-header img {
    max-width: 100px;
    height: auto;
    border-radius: var(--radius-md);
    transition: opacity var(--transition-base);
    opacity: 0.9;
    filter: grayscale(100%) brightness(0);
    -webkit-filter: grayscale(100%) brightness(0);
}

/* Dark mode - invert to white */
body.dark-mode .sidebar-header img {
    filter: grayscale(100%) brightness(1) invert(1);
    -webkit-filter: grayscale(100%) brightness(1) invert(1);
}

.sidebar-header h2 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.sidebar-menu {
    list-style: none;
    padding: var(--spacing-3) 0;
    background: var(--bg-primary);
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: var(--spacing-3) var(--spacing-5);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-base);
    border-radius: 0;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    position: relative;
    margin: 0;
    border-left: 3px solid transparent;
}

.sidebar-menu a:hover {
    background: var(--bg-sidebar-hover);
    color: var(--text-primary);
}

.sidebar-menu a.active {
    background: var(--bg-sidebar-active);
    color: var(--text-primary);
    border-left-color: var(--color-accent);
    font-weight: var(--font-weight-semibold);
}

.sidebar-menu a.active:hover {
    background: var(--bg-sidebar-active);
    color: var(--text-primary);
}

.sidebar-menu .menu-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: var(--spacing-3);
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sidebar-menu .menu-icon svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
    stroke-width: 2;
    transition: stroke 0.2s ease;
}

/* Main Content */
.main-content {
    margin-left: 260px;
    padding: 0;
    min-height: 100vh;
    background: transparent;
    transition: margin-left var(--transition-base);
    overflow-x: hidden;
    max-width: calc(100vw - 260px);
    box-sizing: border-box;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Page title styling */
.page-title {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-6);
    letter-spacing: -0.5px;
}

/* Card styling for pages */
.card {
    background: var(--bg-primary);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    margin-bottom: var(--spacing-5);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.98);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.card-title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-5);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--border-color);
}

.header {
    background: var(--bg-primary);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: var(--spacing-5) var(--spacing-8);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.header h1 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.header-actions {
    display: flex;
    gap: var(--spacing-3);
    align-items: center;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.dark-mode-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-primary);
}

.dark-mode-toggle:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

.dark-mode-toggle svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 2;
    transition: transform 0.3s ease;
}

.dark-mode-toggle svg.moon-icon {
    display: none;
}

body.dark-mode .dark-mode-toggle svg.sun-icon {
    display: none;
}

body.dark-mode .dark-mode-toggle svg.moon-icon {
    display: block;
}

/* Buttons */
.btn {
    padding: var(--spacing-2) var(--spacing-4);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    transition: all var(--transition-base);
    white-space: nowrap;
    line-height: 1.4;
    border: 1px solid transparent;
    font-family: var(--font-family-base);
}

.btn-primary {
    background: #000000;
    color: #ffffff;
    border-color: #000000;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover {
    background: #1a1a1a;
    border-color: #1a1a1a;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

body.dark-mode .btn-primary {
    background: #ffffff;
    color: #000000;
    border-color: #ffffff;
}

body.dark-mode .btn-primary:hover {
    background: #f5f5f5;
    border-color: #f5f5f5;
}

.btn-secondary {
    background: var(--bg-primary);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-danger:hover {
    background: #c82333;
    border-color: #c82333;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.25);
}

.btn-success {
    background: var(--color-success);
    color: var(--color-white);
    border-color: var(--color-success);
}

.btn-success:hover {
    background: #157347;
    border-color: #157347;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(25, 135, 84, 0.25);
}

/* Small button variant */
.btn-sm {
    padding: 4px 10px;
    font-size: 11px;
    line-height: 1.2;
    border-radius: 4px;
}

.btn-sm:hover {
    transform: none;
    box-shadow: none;
}

/* Content Box */
.content-box {
    background: var(--bg-primary);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: var(--spacing-6);
    margin: var(--spacing-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow-x: hidden; /* Prevent horizontal overflow */
    max-width: calc(100% - var(--spacing-12));
    box-sizing: border-box;
    transition: all var(--transition-base);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Filters */
.filters {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-6);
    padding: var(--spacing-5);
    background: var(--bg-primary);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    min-width: 150px;
}

.filter-group label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-group input,
.filter-group select {
    padding: var(--spacing-2) var(--spacing-3);
    padding-right: var(--spacing-8); /* Space for dropdown arrow */
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    background: var(--bg-primary);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-primary);
    transition: all var(--transition-base);
    font-family: var(--font-family-base);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236c757d' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-2) center;
    background-size: 12px;
    cursor: pointer;
}

.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(11, 102, 255, 0.1);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%230b66ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

.filter-group select:hover {
    border-color: var(--border-hover);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23495057' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

/* Data Grid */
.data-grid-wrapper {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    margin: 0;
    position: relative;
}

.data-grid {
    width: 100%;
    min-width: 1000px; /* Further reduced minimum width */
    border-collapse: collapse;
    background: var(--bg-primary);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--radius-lg);
    table-layout: auto;
    overflow: hidden;
    border: 1px solid var(--border-color);
    font-size: 0.75rem; /* 12px - even smaller base font */
    table-layout: auto;
    box-shadow: var(--shadow-sm);
}

.data-grid thead {
    background: var(--bg-secondary);
}

.data-grid th {
    padding: var(--spacing-2) var(--spacing-2);
    text-align: left;
    font-weight: var(--font-weight-semibold);
    font-size: 0.625rem; /* 10px - smaller headers */
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

.data-grid td {
    padding: var(--spacing-2) var(--spacing-2);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.75rem; /* 12px - smaller cells */
    color: var(--text-primary);
    white-space: nowrap;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Compact view */
body.compact-view .data-grid {
    font-size: 0.75rem; /* 12px */
}

body.compact-view .data-grid th {
    padding: var(--spacing-1) var(--spacing-2);
    font-size: 0.625rem; /* 10px */
}

body.compact-view .data-grid td {
    padding: var(--spacing-1) var(--spacing-2);
    font-size: 0.75rem; /* 12px */
}

.data-grid tbody tr {
    transition: all var(--transition-base);
    background: var(--bg-primary);
}

.data-grid tbody tr:hover {
    background: var(--bg-hover);
    transform: scale(1.01);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

/* Action buttons in data grid - smaller and compact */
.data-grid .action-buttons,
.data-grid td .action-buttons {
    display: flex;
    gap: 4px;
    flex-wrap: nowrap;
}

.data-grid .btn,
.data-grid td .btn {
    padding: 4px 8px;
    font-size: 11px;
    border-radius: 4px;
    min-width: auto;
    line-height: 1.2;
}

.data-grid .btn-primary {
    background: var(--color-accent);
}

.data-grid .btn-danger {
    background: var(--color-danger);
}

.data-grid .btn:hover {
    transform: none;
    box-shadow: none;
}

/* Action cell fixed width */
.data-grid .action-cell,
.data-grid td:last-child {
    min-width: 140px;
    max-width: 160px;
    white-space: nowrap;
}

/* Flags and Icons */
.flag-img {
    width: 32px;
    height: 20px;
    display: inline-block;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    object-fit: cover;
    vertical-align: middle;
}

.icon-img {
    width: 24px;
    height: 24px;
    display: inline-block;
    vertical-align: middle;
    object-fit: contain;
}

/* Search Box */
.search-box {
    position: relative;
    margin-bottom: var(--spacing-5);
}

.search-box input {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    background: var(--bg-primary);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-primary);
    transition: all var(--transition-base);
    font-family: var(--font-family-base);
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(11, 102, 255, 0.1);
}

.search-box input::placeholder {
    color: var(--text-tertiary);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--spacing-5);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.form-group textarea {
    width: 100%;
    padding: var(--spacing-3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-family: var(--font-family-mono);
    min-height: 300px;
    resize: vertical;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(11, 102, 255, 0.1);
}

/* Settings */
.settings-section {
    margin-bottom: 32px;
}

.settings-section h3 {
    margin-bottom: var(--spacing-4);
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-4);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-3);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.setting-item:hover {
    background: var(--bg-hover);
}

.setting-item label {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
}

.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: 26px;
    border: 1px solid var(--border-color);
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background-color: var(--color-white);
    transition: var(--transition-slow);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

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

input:checked + .toggle-slider:before {
    transform: translateX(22px);
}

/* Badge */
.badge {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: var(--color-success-light);
    color: var(--color-success);
}

.badge-danger {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

.badge-info {
    background: var(--color-info-light);
    color: var(--color-info);
}

/* Copyable */
.copyable {
    cursor: pointer;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    transition: background var(--transition-base);
    display: inline-block;
}

.copyable:hover {
    background: var(--bg-hover);
}

.password-field {
    font-family: var(--font-family-mono);
    color: var(--color-success);
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        width: 220px;
    }
    .main-content {
        margin-left: 220px;
    }
    .filters {
        flex-direction: column;
    }
    .filter-group {
        width: 100%;
    }
    .content-box {
        padding: var(--spacing-4);
        margin: var(--spacing-4);
    }
    .header {
        padding: var(--spacing-4) var(--spacing-5);
    }
    .header h1 {
        font-size: var(--font-size-xl);
    }
}

/* ===== OVERLAY SYSTEM ===== */
.app-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    opacity: 1;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: all;
}

.app-overlay.hidden {
    opacity: 0;
    transform: scale(1.1);
    pointer-events: none;
}

.app-overlay-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    animation: overlayFadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.app-overlay-logo {
    width: 120px;
    height: 120px;
    border-radius: 24px;
    object-fit: cover;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.15);
    animation: logoPulse 2s ease-in-out infinite;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 8px;
}

@keyframes logoPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 12px 36px rgba(0, 0, 0, 0.15);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
    }
}

.app-overlay-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    margin: 0;
    text-align: center;
}

.app-overlay-button {
    padding: 16px 48px;
    font-size: 1.125rem;
    font-weight: 600;
    color: #ffffff;
    background: #000000;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.app-overlay-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.app-overlay-button:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
    background: #1a1a1a;
}

.app-overlay-button:hover::before {
    width: 300px;
    height: 300px;
}

.app-overlay-button:active {
    transform: translateY(0) scale(0.98);
}

body.dark-mode .app-overlay {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
}

body.dark-mode .app-overlay-logo {
    background: rgba(0, 0, 0, 0.8);
}

body.dark-mode .app-overlay-button {
    background: #ffffff;
    color: #000000;
}

body.dark-mode .app-overlay-button:hover {
    background: #f5f5f5;
}

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

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

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

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

/* Data grid wrapper scrollbar */
.data-grid-wrapper::-webkit-scrollbar {
    height: 10px;
}

.data-grid-wrapper::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.data-grid-wrapper::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.data-grid-wrapper::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Checkbox styling */
.data-grid input[type="checkbox"],
.data-grid-wrapper input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--color-accent);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    position: relative;
    transition: all var(--transition-base);
}

.data-grid input[type="checkbox"]:hover,
.data-grid-wrapper input[type="checkbox"]:hover {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(11, 102, 255, 0.1);
}

.data-grid input[type="checkbox"]:checked,
.data-grid-wrapper input[type="checkbox"]:checked {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.data-grid input[type="checkbox"]:checked::before,
.data-grid-wrapper input[type="checkbox"]:checked::before {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-white);
    font-size: 12px;
    font-weight: bold;
    line-height: 1;
}

.data-grid input[type="checkbox"]:focus,
.data-grid-wrapper input[type="checkbox"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(11, 102, 255, 0.2);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: var(--spacing-16) var(--spacing-5);
    color: var(--text-tertiary);
}

.empty-state svg {
    opacity: 0.5;
    margin-bottom: var(--spacing-4);
}

.empty-state h3 {
    margin-top: var(--spacing-4);
    margin-bottom: var(--spacing-2);
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.stat-card {
    background: var(--bg-primary);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.stat-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
}

.stat-card-value {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-2);
    color: var(--text-primary);
}

.stat-card-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: var(--font-weight-semibold);
}