/* ============================================================
   SIGNAGE HUB — Global Design System
   Premium dark theme with glassmorphism and neon accents.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── CSS Custom Properties ──────────────────────────────── */
:root {
    /* Core palette */
    --bg-primary:      #0a0e17;
    --bg-secondary:    #111827;
    --bg-card:         rgba(17, 24, 39, 0.8);
    --bg-glass:        rgba(255, 255, 255, 0.03);
    --bg-glass-hover:  rgba(255, 255, 255, 0.06);

    /* Accent colors */
    --accent-primary:  #6366f1;  /* Indigo */
    --accent-secondary:#8b5cf6;  /* Violet */
    --accent-success:  #10b981;  /* Emerald */
    --accent-warning:  #f59e0b;  /* Amber */
    --accent-danger:   #ef4444;  /* Red */
    --accent-info:     #06b6d4;  /* Cyan */

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1, #8b5cf6);
    --gradient-success: linear-gradient(135deg, #10b981, #34d399);
    --gradient-danger:  linear-gradient(135deg, #ef4444, #f87171);
    --gradient-bg:      linear-gradient(180deg, #0a0e17 0%, #111827 100%);
    --gradient-glow:    linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));

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

    /* Borders */
    --border-color:    rgba(255, 255, 255, 0.06);
    --border-active:   rgba(99, 102, 241, 0.5);

    /* Shadows */
    --shadow-sm:       0 1px 2px rgba(0,0,0,0.3);
    --shadow-md:       0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg:       0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow:     0 0 20px rgba(99, 102, 241, 0.15);

    /* Spacing */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono:    'JetBrains Mono', monospace;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-secondary);
}

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

.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-brand .brand-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 800;
    color: white;
}

.sidebar-brand h2 {
    font-size: 1.1rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.nav-section-title {
    padding: 0.75rem 1.25rem 0.4rem;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1.25rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    margin: 1px 0;
}

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

.nav-link.active {
    background: var(--gradient-glow);
    color: var(--accent-primary);
    border-left-color: var(--accent-primary);
}

.nav-link .icon {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.nav-link .badge {
    margin-left: auto;
    background: var(--accent-danger);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.45rem;
    border-radius: 50px;
    min-width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
}

.main-content {
    margin-left: 260px;
    flex: 1;
    padding: 2rem;
    min-height: 100vh;
}

/* ── Top Bar ────────────────────────────────────────────── */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.topbar h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.topbar .breadcrumb {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

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

/* ── Cards ──────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--border-active);
    box-shadow: var(--shadow-glow);
}

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

.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

/* ── Stat Cards ─────────────────────────────────────────── */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.stat-icon.primary   { background: rgba(99, 102, 241, 0.15);  color: var(--accent-primary); }
.stat-icon.success   { background: rgba(16, 185, 129, 0.15);  color: var(--accent-success); }
.stat-icon.warning   { background: rgba(245, 158, 11, 0.15);  color: var(--accent-warning); }
.stat-icon.danger    { background: rgba(239, 68, 68, 0.15);   color: var(--accent-danger); }
.stat-icon.info      { background: rgba(6, 182, 212, 0.15);   color: var(--accent-info); }

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.5);
    transform: translateY(-1px);
    color: white;
}

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

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

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

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

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.78rem;
}

.btn-lg {
    padding: 0.8rem 2rem;
    font-size: 1rem;
}

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

.form-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.65rem 0.9rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

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

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-select {
    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='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

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

/* ── Tables ─────────────────────────────────────────────── */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

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

.table th {
    background: rgba(255, 255, 255, 0.03);
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

.table td {
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

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

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

/* ── Badges ─────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 600;
}

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

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

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

.badge-info {
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-info);
}

/* ── Alerts / Flash Messages ────────────────────────────── */
.alert {
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideDown 0.3s ease;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--accent-success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--accent-danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: var(--accent-warning);
}

/* ── License Key Display ────────────────────────────────── */
.license-key {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    word-break: break-all;
    color: var(--accent-info);
    position: relative;
    cursor: pointer;
}

.license-key:hover::after {
    content: 'Click to copy';
    position: absolute;
    top: -28px;
    right: 0;
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* ── Animations ─────────────────────────────────────────── */
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.5; }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px rgba(99, 102, 241, 0.2); }
    50%      { box-shadow: 0 0 20px rgba(99, 102, 241, 0.4); }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* ── Skeleton Loading ───────────────────────────────────── */
.skeleton {
    background: linear-gradient(90deg, var(--bg-glass) 25%, rgba(255,255,255,0.06) 37%, var(--bg-glass) 63%);
    background-size: 400% 100%;
    animation: shimmer 1.4s ease infinite;
    border-radius: var(--radius-sm);
}

@keyframes shimmer {
    0%   { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ── Empty State ────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 1rem;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ── Login Page ─────────────────────────────────────────── */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-bg);
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
    top: -200px;
    right: -200px;
    border-radius: 50%;
}

.login-container::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.06) 0%, transparent 60%);
    bottom: -100px;
    left: -100px;
    border-radius: 50%;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    backdrop-filter: blur(20px);
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-lg);
}

.login-card .brand {
    text-align: center;
    margin-bottom: 2rem;
}

.login-card .brand h1 {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-card .brand p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

/* ── Global dropdown text visibility fix ───────────────────
   Force every dropdown/select in the system to use black text.
   This fixes invisible white option text on white native dropdown menus. */
select,
.form-select,
.form-control[type="select"] {
    background-color: #ffffff !important;
    color: #111827 !important;
    -webkit-text-fill-color: #111827 !important;
    color-scheme: light !important;
}

select option,
select optgroup,
.form-select option,
.form-select optgroup {
    background-color: #ffffff !important;
    color: #111827 !important;
    -webkit-text-fill-color: #111827 !important;
}

select option:checked,
select option:hover,
.form-select option:checked,
.form-select option:hover {
    background-color: #e5e7eb !important;
    color: #111827 !important;
    -webkit-text-fill-color: #111827 !important;
}

select:disabled,
.form-select:disabled {
    background-color: #f3f4f6 !important;
    color: #6b7280 !important;
    -webkit-text-fill-color: #6b7280 !important;
}

/* ============================================================
   BLACK & WHITE STANDARD SOFTWARE UI UPDATE
   Added for company logo + clean professional admin interface.
   ============================================================ */
:root {
    --bg-primary: #f4f6f8;
    --bg-secondary: #0f172a;
    --bg-card: #ffffff;
    --bg-glass: #f8fafc;
    --bg-glass-hover: #f1f5f9;

    --accent-primary: #111827;
    --accent-secondary: #374151;
    --accent-success: #059669;
    --accent-warning: #d97706;
    --accent-danger: #dc2626;
    --accent-info: #2563eb;

    --gradient-primary: linear-gradient(135deg, #111827, #000000);
    --gradient-success: linear-gradient(135deg, #059669, #047857);
    --gradient-danger: linear-gradient(135deg, #dc2626, #b91c1c);
    --gradient-bg: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
    --gradient-glow: rgba(255, 255, 255, 0.08);

    --text-primary: #111827;
    --text-secondary: #374151;
    --text-muted: #6b7280;

    --border-color: #e5e7eb;
    --border-active: #111827;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 8px 20px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 18px 45px rgba(15, 23, 42, 0.12);
    --shadow-glow: 0 10px 25px rgba(15, 23, 42, 0.10);
}

body {
    background: var(--gradient-bg);
    color: var(--text-primary);
}

.sidebar {
    background: #0b1220;
    border-right: 1px solid #111827;
    box-shadow: 4px 0 24px rgba(15, 23, 42, 0.16);
}

.sidebar-brand {
    min-height: 82px;
    justify-content: center;
    background: #0b1220;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-logo {
    width: 200px;
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

.sidebar .nav-section-title {
    color: #94a3b8;
}

.sidebar .nav-link {
    color: #cbd5e1;
    border-left-color: transparent;
}

.sidebar .nav-link:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.sidebar .nav-link.active {
    background: #ffffff;
    color: #111827;
    border-left-color: #ffffff;
    font-weight: 700;
}

.sidebar .sidebar-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar .sidebar-footer div[style*="color: var(--text-primary)"] {
    color: #ffffff !important;
}

.sidebar .sidebar-footer div[style*="color: var(--text-muted)"] {
    color: #cbd5e1 !important;
}

.sidebar .btn-ghost {
    background: #ffffff;
    color: #111827;
    border-color: #ffffff;
}

.main-content {
    background: #f4f6f8;
}

.topbar {
    background: #ffffff;
    margin: -2rem -2rem 2rem;
    padding: 1.25rem 2rem;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: var(--shadow-sm);
}

.card,
.stat-card,
.login-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    box-shadow: var(--shadow-sm);
    backdrop-filter: none;
}

.card:hover,
.stat-card:hover {
    border-color: #cbd5e1;
    box-shadow: var(--shadow-md);
}

.table-container {
    background: #ffffff;
    border-color: #e5e7eb;
}

.table th {
    background: #f8fafc;
    color: #111827;
}

.table td {
    color: #374151;
}

.table tr:hover td {
    background: #f9fafb;
}

.form-input,
.form-select,
.form-textarea,
select,
textarea,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="url"] {
    background: #ffffff !important;
    border: 1px solid #d1d5db !important;
    color: #111827 !important;
    -webkit-text-fill-color: #111827 !important;
    box-shadow: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus,
select:focus,
textarea:focus,
input:focus {
    border-color: #111827 !important;
    box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.12) !important;
}

.form-label {
    color: #111827;
}

.btn-primary {
    background: #111827;
    color: #ffffff;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: #000000;
    color: #ffffff;
    box-shadow: var(--shadow-md);
}

.btn-ghost {
    background: #ffffff;
    color: #111827;
    border: 1px solid #d1d5db;
}

.btn-ghost:hover {
    background: #f3f4f6;
    color: #111827;
}

.login-container {
    background: linear-gradient(135deg, #f8fafc 0%, #e5e7eb 100%);
}

.login-container::before,
.login-container::after {
    display: none;
}

.login-logo {
    width: 220px;
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 1rem;
    object-fit: contain;
}

.login-card .brand h1 {
    background: none;
    -webkit-text-fill-color: #111827;
    color: #111827;
}

select option,
select optgroup,
.form-select option,
.form-select optgroup {
    background-color: #ffffff !important;
    color: #111827 !important;
    -webkit-text-fill-color: #111827 !important;
}

@media (max-width: 768px) {
    .topbar {
        margin: -1rem -1rem 1rem;
        padding: 1rem;
    }
}

/* ============================================================
   LIGHT THEME UPDATE
   Full clean light software UI: white sidebar/header/cards,
   black readable text, clear form controls and dropdowns.
   ============================================================ */
:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-glass: #f8fafc;
    --bg-glass-hover: #f1f5f9;

    --accent-primary: #111827;
    --accent-secondary: #374151;
    --accent-success: #059669;
    --accent-warning: #d97706;
    --accent-danger: #dc2626;
    --accent-info: #2563eb;

    --gradient-primary: linear-gradient(135deg, #111827, #374151);
    --gradient-success: linear-gradient(135deg, #059669, #047857);
    --gradient-danger: linear-gradient(135deg, #dc2626, #b91c1c);
    --gradient-bg: linear-gradient(180deg, #ffffff 0%, #f3f4f6 100%);
    --gradient-glow: rgba(17, 24, 39, 0.06);

    --text-primary: #111827;
    --text-secondary: #374151;
    --text-muted: #6b7280;

    --border-color: #e5e7eb;
    --border-active: #111827;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 8px 20px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 18px 45px rgba(15, 23, 42, 0.12);
    --shadow-glow: 0 10px 25px rgba(15, 23, 42, 0.10);
}

html,
body {
    background: #f8fafc !important;
    color: #111827 !important;
    color-scheme: light !important;
}

.app-container,
.main-content {
    background: #f8fafc !important;
    color: #111827 !important;
}

.sidebar {
    background: #ffffff !important;
    border-right: 1px solid #e5e7eb !important;
    box-shadow: 4px 0 18px rgba(15, 23, 42, 0.06) !important;
}

.sidebar-brand {
    background: #ffffff !important;
    border-bottom: 1px solid #e5e7eb !important;
    justify-content: center;
}

.sidebar-brand h2,
.login-card .brand h1 {
    background: none !important;
    -webkit-background-clip: initial !important;
    -webkit-text-fill-color: #111827 !important;
    color: #111827 !important;
}

.sidebar .nav-section-title,
.nav-section-title {
    color: #6b7280 !important;
}

.sidebar .nav-link,
.nav-link {
    color: #374151 !important;
    background: transparent !important;
}

.sidebar .nav-link:hover,
.nav-link:hover {
    background: #f3f4f6 !important;
    color: #111827 !important;
}

.sidebar .nav-link.active,
.nav-link.active {
    background: #111827 !important;
    color: #ffffff !important;
    border-left-color: #111827 !important;
    font-weight: 700 !important;
}

.sidebar .sidebar-footer {
    border-top: 1px solid #e5e7eb !important;
}

.sidebar .sidebar-footer div,
.sidebar .sidebar-footer span,
.sidebar .sidebar-footer small,
.sidebar .sidebar-footer p {
    color: #374151 !important;
}

.sidebar .btn-ghost,
.btn-ghost {
    background: #ffffff !important;
    color: #111827 !important;
    border: 1px solid #d1d5db !important;
}

.sidebar .btn-ghost:hover,
.btn-ghost:hover {
    background: #f3f4f6 !important;
    color: #111827 !important;
}

.topbar {
    background: #ffffff !important;
    color: #111827 !important;
    border-bottom: 1px solid #e5e7eb !important;
    box-shadow: var(--shadow-sm) !important;
}

.topbar h1,
.card-header h3,
h1, h2, h3, h4, h5, h6 {
    color: #111827 !important;
}

.topbar .breadcrumb,
.stat-label,
.empty-state,
.login-card .brand p {
    color: #6b7280 !important;
}

.card,
.stat-card,
.login-card,
.table-container {
    background: #ffffff !important;
    color: #111827 !important;
    border: 1px solid #e5e7eb !important;
    box-shadow: var(--shadow-sm) !important;
    backdrop-filter: none !important;
}

.card:hover,
.stat-card:hover {
    border-color: #cbd5e1 !important;
    box-shadow: var(--shadow-md) !important;
}

.table th {
    background: #f8fafc !important;
    color: #111827 !important;
}

.table td {
    color: #374151 !important;
}

.table tr:hover td {
    background: #f9fafb !important;
}

.form-label,
label {
    color: #111827 !important;
}

.form-input,
.form-select,
.form-textarea,
select,
textarea,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="url"],
input:not([type]) {
    background-color: #ffffff !important;
    border: 1px solid #d1d5db !important;
    color: #111827 !important;
    -webkit-text-fill-color: #111827 !important;
    box-shadow: none !important;
    color-scheme: light !important;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus,
select:focus,
textarea:focus,
input:focus {
    border-color: #111827 !important;
    box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.12) !important;
    outline: none !important;
}

select option,
select optgroup,
.form-select option,
.form-select optgroup {
    background-color: #ffffff !important;
    color: #111827 !important;
    -webkit-text-fill-color: #111827 !important;
}

select option:checked,
.form-select option:checked {
    background-color: #111827 !important;
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
}

.btn-primary {
    background: #111827 !important;
    color: #ffffff !important;
    box-shadow: var(--shadow-sm) !important;
}

.btn-primary:hover {
    background: #000000 !important;
    color: #ffffff !important;
    box-shadow: var(--shadow-md) !important;
}

.login-container {
    background: #f8fafc !important;
}

.login-container::before,
.login-container::after {
    display: none !important;
}

.license-key {
    background: #f8fafc !important;
    color: #2563eb !important;
    border-color: #e5e7eb !important;
}