/* MT5 and MT4 Trading Tools - Main Stylesheet */

/* CSS Variables - Dark Theme (Default) */
:root {
    /* Colors */
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: rgba(99, 102, 241, 0.1);
    --secondary: #10b981;
    --secondary-hover: #059669;
    --accent: #f59e0b;

    /* Dark Theme Colors */
    --bg-dark: #0f0f1a;
    --bg-darker: #0a0a12;
    --bg-card: #1a1a2e;
    --bg-card-hover: #252540;
    --bg-input: #16162a;
    --navbar-bg: rgba(15, 15, 26, 0.95);

    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Border Colors */
    --border-color: #2d2d4a;
    --border-light: #3d3d5c;

    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Font */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Fira Code', 'Consolas', monospace;
}

/* Light Theme */
[data-theme="light"] {
    --bg-dark: #f8fafc;
    --bg-darker: #f1f5f9;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --bg-input: #f1f5f9;
    --navbar-bg: rgba(255, 255, 255, 0.95);

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;

    --border-color: #e2e8f0;
    --border-light: #cbd5e1;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-dark);
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 0.5em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--primary-hover);
}

b, strong {
    color: inherit !important;
    font-weight: 600 !important;
}

em, i {
    color: inherit !important;
    font-style: italic !important;
}

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

.container-sm { max-width: 640px; }
.container-md { max-width: 768px; }
.container-lg { max-width: 1024px; }

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.navbar-brand img {
    height: 40px;
    width: auto;
}

.navbar-brand:hover {
    color: var(--primary);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
    border-radius: var(--radius-md);
}

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

.nav-link .arrow {
    font-size: 0.75rem;
    transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link .arrow {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-lg);
}

.nav-item:hover > .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

/* Nested Dropdown */
.dropdown-submenu {
    position: relative;
}

.dropdown-submenu > .dropdown-menu {
    left: 100%;
    top: 0;
    margin-left: 0.5rem;
}

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

/* Navbar Actions */
.navbar-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Mobile Menu Toggle */
.navbar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    color: white;
    box-shadow: var(--shadow-glow);
}

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

.btn-secondary:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border-light);
}

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

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

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

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

.btn-block {
    width: 100%;
}

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

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

.form-control:disabled {
    background: var(--bg-darker);
    cursor: not-allowed;
    opacity: 0.7;
}

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

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
    padding-right: 2.5rem;
}

.form-text {
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-check-input {
    width: 1rem;
    height: 1rem;
    accent-color: var(--primary);
    cursor: pointer;
}

.form-check-label {
    color: var(--text-secondary);
    cursor: pointer;
}

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

.card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-darker);
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-darker);
}

/* Product Card */
.product-card {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card {
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-4px);
}

.product-image {
    position: relative;
    padding-top: 60%;
    background: var(--bg-darker);
    overflow: hidden;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.product-image img {
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    max-width: 90% !important;
    max-height: 90% !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain !important;
    border-radius: var(--radius-md);
    transition: transform var(--transition-normal);
}

.product-card:hover .product-image img {
    transform: translate(-50%, -50%) scale(1.1) !important;
}

.product-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-sm);
}

.product-badge.mt4 {
    background: #3b82f6;
}

.product-badge.mt5 {
    background: #8b5cf6;
}

.product-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1rem;
}

.product-category {
    font-size: 0.75rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.product-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.product-title a {
    color: inherit;
}

.product-title a:hover {
    color: var(--primary);
}

.product-description {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.product-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary);
}

.product-price span {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-muted);
}

/* Star Rating */
.star-rating {
    display: inline-flex;
    align-items: center;
    gap: 0.125rem;
}

.star {
    color: var(--border-color);
    font-size: 0.875rem;
}

.star.filled {
    color: var(--accent);
}

.star.half {
    background: linear-gradient(90deg, var(--accent) 50%, var(--border-color) 50%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.rating-number {
    margin-left: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Alerts */
.alert {
    position: relative;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
}

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

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
    color: var(--danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--info);
    color: var(--info);
}

.alert-close {
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
}

.alert-close:hover {
    opacity: 1;
}

.alert-dismissible {
    padding-right: 3rem;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
}

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

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.badge-secondary {
    background: var(--bg-card);
    color: var(--text-secondary);
}

.badge-dark {
    background: var(--bg-darker);
    color: var(--text-muted);
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    margin: -1px;
}

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

.table th,
.table td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-darker);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    color: var(--text-secondary);
}

.table tbody tr:hover {
    background: var(--bg-card-hover);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.5rem;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.page-link:hover,
.page-link.active {
    color: var(--text-primary);
    background: var(--primary);
    border-color: var(--primary);
}

.page-dots {
    color: var(--text-muted);
}

/* Grid System */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Flex Utilities */
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }

/* Spacing Utilities */
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.5rem; }
.mt-6 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.5rem; }
.mb-6 { margin-bottom: 2rem; }

.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-5 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-6 { padding-top: 2rem; padding-bottom: 2rem; }

/* Text Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }

/* Hero Section */
.hero {
    position: relative;
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

/* Section */
.section {
    padding: 4rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.section-header p {
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Footer */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1.5rem;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand {
    grid-column: span 1;
}

.footer-brand h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-links h4 {
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary);
}

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

.footer-copyright {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    color: var(--text-muted);
    font-size: 1.25rem;
    transition: color var(--transition-fast);
}

.footer-social a:hover {
    color: var(--primary);
}

/* Main Content Wrapper */
.main-content {
    padding-top: 70px;
    min-height: calc(100vh - 200px);
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Modal */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-backdrop.show {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow: auto;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-backdrop.show .modal {
    transform: scale(1);
}

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

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

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

.modal-body {
    padding: 1.5rem;
}

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

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.stat-card {
    padding: 1.5rem;
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.stat-card .stat-icon.primary {
    background: var(--primary-light);
    color: var(--primary);
}

.stat-card .stat-icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stat-card .stat-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.stat-card .stat-icon.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.stat-card .stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    gap: 0.25rem;
}

.tab {
    padding: 0.75rem 1.25rem;
    color: var(--text-muted);
    font-weight: 500;
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
}

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

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

.tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

.tab-content {
    display: none;
}

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

/* License Key Display */
.license-key {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.license-key code {
    color: var(--primary);
}

.license-key button {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
}

.license-key button:hover {
    color: var(--primary);
}

/* Feature Cards */
.feature-card {
    text-align: center;
    padding: 2rem;
}

.feature-card .feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 1.5rem;
    border-radius: var(--radius-lg);
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
}

/* Testimonial Card */
.testimonial-card {
    padding: 1.5rem;
}

.testimonial-card .quote {
    font-size: 1rem;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.testimonial-card .author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.testimonial-card .author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-weight: 600;
}

.testimonial-card .author-name {
    font-weight: 600;
    color: var(--text-primary);
}

.testimonial-card .author-title {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Utility Classes */
.hidden { display: none !important; }
.visible { display: block !important; }

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border-light);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    width: 20px;
    height: 20px;
}

/* Show/hide icons based on theme */
.theme-toggle .icon-sun { display: block; }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }

/* Mobile Menu */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.mobile-menu-overlay.show {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    max-width: 85%;
    height: 100%;
    background: var(--bg-card);
    z-index: 1002;
    padding: 1rem;
    overflow-y: auto;
    transition: right var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.mobile-menu.show {
    right: 0;
}

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

.mobile-menu-close {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-nav {
    list-style: none;
}

.mobile-nav-item {
    border-bottom: 1px solid var(--border-color);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 0;
    color: var(--text-secondary);
    font-weight: 500;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--primary);
}

.mobile-submenu {
    display: none;
    padding-left: 1rem;
    margin-bottom: 0.5rem;
}

.mobile-submenu.show {
    display: block;
}

.mobile-submenu a {
    display: block;
    padding: 0.5rem 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.mobile-submenu a:hover {
    color: var(--primary);
}

.mobile-menu-actions {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* ================================
   RESPONSIVE BREAKPOINTS
   ================================ */

/* Large Desktop (1280px+) */
@media (min-width: 1280px) {
    .container { max-width: 1280px; }
}

/* Desktop (1024px - 1279px) */
@media (max-width: 1279px) {
    .container { max-width: 1024px; }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) {
    .container { max-width: 768px; }

    .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }

    .hero h1 { font-size: 2.5rem; }
    .hero p { font-size: 1.125rem; }

    .section { padding: 3rem 0; }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Hide desktop nav, show mobile toggle */
    .navbar-nav {
        display: none;
    }

    .navbar-toggle {
        display: flex;
    }

    .mobile-menu-overlay {
        display: block;
    }
}

/* Mobile (< 768px) */
@media (max-width: 767px) {
    html { font-size: 14px; }

    .container {
        max-width: 100%;
        padding: 0 1rem;
    }

    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    /* Navigation */
    .navbar { padding: 0.5rem 0; }
    .navbar-brand { font-size: 1rem; }
    .navbar-brand img { height: 32px; }

    .navbar-nav {
        display: none;
    }

    .navbar-toggle {
        display: flex;
    }

    .mobile-menu-overlay {
        display: block;
    }

    /* Hero */
    .hero {
        padding: 6rem 0 3rem;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
        gap: 0.75rem;
    }

    .hero-actions .btn {
        width: 100%;
    }

    /* Grid */
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }

    .grid { gap: 1rem; }

    /* Stats */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .stat-card {
        padding: 1rem;
    }

    .stat-card .stat-value {
        font-size: 1.5rem;
    }

    /* Cards */
    .card-body { padding: 1rem; }
    .card-header { padding: 0.875rem 1rem; }
    .card-footer { padding: 0.875rem 1rem; }

    /* Tables */
    .table th,
    .table td {
        padding: 0.625rem 0.5rem;
        font-size: 0.8125rem;
    }

    /* Forms */
    .form-control {
        padding: 0.625rem 0.875rem;
    }

    /* Buttons */
    .btn {
        padding: 0.5rem 1rem;
    }

    .btn-lg {
        padding: 0.75rem 1.25rem;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    /* Section */
    .section { padding: 2rem 0; }
    .section-header { margin-bottom: 2rem; }

    /* Pagination */
    .pagination {
        flex-wrap: wrap;
    }

    /* Modal */
    .modal {
        margin: 0.5rem;
        max-height: calc(100vh - 1rem);
    }

    /* Product Card */
    .product-content { padding: 0.875rem; }
    .product-price { font-size: 1.125rem; }

    /* Alerts */
    .alert {
        padding: 0.875rem 1rem;
    }

    /* Empty State */
    .empty-state {
        padding: 2rem 1rem;
    }

    /* Tabs */
    .tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .tab {
        white-space: nowrap;
        padding: 0.625rem 1rem;
    }
}

/* Small Mobile (< 480px) */
@media (max-width: 479px) {
    .container { padding: 0 0.75rem; }

    .hero h1 { font-size: 1.5rem; }

    .navbar-actions {
        gap: 0.5rem;
    }

    .theme-toggle {
        width: 36px;
        height: 36px;
    }

    .btn-sm {
        padding: 0.25rem 0.5rem;
        font-size: 0.6875rem;
    }

    /* Hide text on small screens for some buttons */
    .btn-icon-only span {
        display: none;
    }
}