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

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

:root {
    /* Fonts */
    --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

    /* Color Palette - Institutional Modern (SCE-UMAEE Standard) */
    --primary: #1d4ed8;
    --primary-hover: #1e40af;
    --primary-light: #eff6ff;
    --primary-glow: rgba(29, 78, 216, 0.25);
    --primary-color: #1d4ed8; /* Alias retrocompatible */

    --secondary: #475569;
    --secondary-hover: #334155;

    --success: #059669;
    --success-hover: #047857;
    --success-light: #ecfdf5;

    --danger: #e11d48;
    --danger-hover: #be123c;
    --danger-light: #fff1f2;
    --accent: #e11d48; /* Alias */

    --warning: #d97706;
    --warning-hover: #b45309;
    --warning-light: #fffbeb;

    --info: #0284c7;
    --info-light: #f0f9ff;

    /* Neutral Colors - Light Mode Default */
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-subtle: #f1f5f9;
    --bg-card-muted: #e2e8f0;
    --bg-sidebar: #0f172a;
    --bg-sidebar-hover: rgba(255, 255, 255, 0.08);
    --sidebar-text: #f8fafc;
    --sidebar-text-muted: #94a3b8;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-subtle: #94a3b8;
    --border-color: #e2e8f0;
    --border: #e2e8f0;
    --bg-hover: #f1f5f9;
    --topbar-bg: rgba(255, 255, 255, 0.9);
    --glass: rgba(0, 0, 0, 0.03);

    /* Inputs & Form Controls */
    --input-bg: #ffffff;
    --input-bg-disabled: #f1f5f9;
    --input-text-disabled: #64748b;
    --input-border: #e2e8f0;

    /* Badges & Status */
    --badge-primary-bg: #eff6ff;
    --badge-primary-text: #1d4ed8;
    --badge-secondary-bg: #f1f5f9;
    --badge-secondary-text: #475569;
    --badge-success-bg: #d1fae5;
    --badge-success-text: #065f46;
    --badge-danger-bg: #fee2e2;
    --badge-danger-text: #991b1b;
    --badge-warning-bg: #fef3c7;
    --badge-warning-text: #92400e;
    --badge-info-bg: #e0f2fe;
    --badge-info-text: #075985;

    /* Shadows & Effects */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.06), 0 1px 2px 0 rgba(0, 0, 0, 0.04);
    --shadow-md: 0 6px 12px -2px rgba(0, 0, 0, 0.07), 0 3px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 14px 24px -4px rgba(0, 0, 0, 0.08), 0 6px 12px -3px rgba(0, 0, 0, 0.04);
    --shadow: var(--shadow-md);

    /* Borders */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;
}

[data-theme="dark"] {
    --bg-body: #090d16;
    --bg-card: #111827;
    --bg-card-subtle: #172033;
    --bg-card-muted: #1f293d;
    --bg-sidebar: #050811;
    --bg-sidebar-hover: rgba(255, 255, 255, 0.08);
    --sidebar-text: #f8fafc;
    --sidebar-text-muted: #94a3b8;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-subtle: #64748b;
    --border-color: #1f293d;
    --border: #1f293d;
    --bg-hover: #172033;
    --topbar-bg: rgba(17, 24, 39, 0.88);
    --glass: rgba(255, 255, 255, 0.04);

    /* Inputs Dark */
    --input-bg: rgba(255, 255, 255, 0.04);
    --input-bg-disabled: #172033;
    --input-text-disabled: #64748b;
    --input-border: #1f293d;

    /* Badges Dark */
    --badge-primary-bg: rgba(29, 78, 216, 0.25);
    --badge-primary-text: #60a5fa;
    --badge-secondary-bg: rgba(255, 255, 255, 0.08);
    --badge-secondary-text: #cbd5e1;
    --badge-success-bg: rgba(5, 150, 105, 0.22);
    --badge-success-text: #34d399;
    --badge-danger-bg: rgba(225, 29, 72, 0.22);
    --badge-danger-text: #fb7185;
    --badge-warning-bg: rgba(217, 119, 6, 0.22);
    --badge-warning-text: #fbbf24;
    --badge-info-bg: rgba(2, 132, 199, 0.22);
    --badge-info-text: #38bdf8;

    --shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 6px 14px -2px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 16px 28px -4px rgba(0, 0, 0, 0.7);
}

/* Base Reset & Typography */
body {
    font-family: var(--font-sans);
    background-color: var(--bg-body);
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
    font-weight: 700;
    color: var(--text-main);
}

/* Lucide Vector Icons Standard */
[data-lucide], .lucide {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    stroke-width: 2px;
    vertical-align: middle;
    flex-shrink: 0;
}

.hidden {
    display: none !important;
}

.app-container {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

/* ==========================================================================
   Sidebar Navigation
   ========================================================================== */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    color: var(--sidebar-text);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 1000;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-header {
    padding: 1.25rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    height: 72px;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #ffffff;
}

.sidebar-brand-logo {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(29, 78, 216, 0.35);
}

.sidebar-brand-text h2 {
    font-size: 1.15rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
    margin: 0;
    letter-spacing: -0.01em;
}

.sidebar-brand-text .brand-subtext {
    font-size: 0.7rem;
    color: #94a3b8;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.sidebar-nav {
    flex-grow: 1;
    overflow-y: auto;
    padding: 1rem 0.75rem;
}

.sidebar-nav ul,
.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item,
.sidebar-nav li {
    margin-bottom: 4px;
}

.nav-link,
.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 0.7rem 0.9rem;
    color: var(--sidebar-text-muted);
    text-decoration: none;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    gap: 12px;
}

.nav-link:hover,
.sidebar-nav a:hover {
    background-color: var(--bg-sidebar-hover);
    color: #ffffff;
}

.nav-link.active,
.sidebar-nav a.active {
    background-color: var(--primary);
    color: #ffffff;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(29, 78, 216, 0.3);
}

.nav-link i,
.sidebar-nav .icon {
    font-size: 1.15rem;
    width: 20px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
}

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-footer-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: #94a3b8;
    font-weight: 600;
}

.status-indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #10b981;
    box-shadow: 0 0 8px #10b981;
}

.footer-version-tag {
    font-size: 0.75rem;
    color: #64748b;
    font-family: monospace;
    font-weight: 600;
}

/* ==========================================================================
   Main Content Layout & Top Bar
   ========================================================================== */
.main-wrapper {
    flex-grow: 1;
    margin-left: 260px;
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.top-bar {
    height: 72px;
    background: var(--topbar-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.top-bar-left-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-sidebar-btn {
    display: none;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.theme-toggle-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.user-menu-top {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar-pill {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 10px 4px 4px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 9999px;
}

.user-avatar-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(29, 78, 216, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.user-menu-info {
    display: flex;
    flex-direction: column;
}

.user-name-text {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.1;
}

.user-role-badge {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: capitalize;
}

.user-menu-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
}

.logout-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--danger);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.logout-link:hover {
    background: var(--danger-light);
}

[data-theme="dark"] .logout-link:hover {
    background: rgba(225, 29, 72, 0.15);
}

.main-content {
    flex-grow: 1;
    padding: 2rem;
    max-width: 100%;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

/* ==========================================================================
   Universal Tables with Sticky Header & Independent Scroll
   ========================================================================== */
.table-container,
.table-scroll-container,
.table-responsive {
    max-height: calc(100vh - 280px);
    overflow-y: auto;
    overflow-x: auto;
    position: relative;
    -webkit-overflow-scrolling: touch;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

/* Remove duplicated borders if nested inside a card */
.card .table-container,
.card > .table-container,
.card .table-scroll-container {
    border: none;
    box-shadow: none;
    background: transparent;
}

.table-container.card,
.card.table-container {
    padding: 0 !important;
}

/* Universal Sticky Table Headers for ALL tables in the application (Screen only) */
@media screen {
    thead th,
    .table thead th,
    table thead th,
    .table-container thead th,
    .table-scroll-container thead th,
    .table-responsive thead th {
        position: sticky !important;
        top: 0 !important;
        z-index: 10 !important;
        background-color: var(--bg-card, #ffffff) !important;
        box-shadow: inset 0 -1px 0 var(--border-color, #e2e8f0);
    }

    [data-theme="dark"] thead th,
    [data-theme="dark"] .table thead th,
    [data-theme="dark"] table thead th,
    [data-theme="dark"] .table-container thead th,
    [data-theme="dark"] .table-scroll-container thead th,
    [data-theme="dark"] .table-responsive thead th {
        background-color: var(--bg-card, #111827) !important;
        box-shadow: inset 0 -1px 0 var(--border-color, #1f293d);
    }
}

/* Slim styled scrollbars for all scrollable table containers */
.table-scroll-container::-webkit-scrollbar,
.table-container::-webkit-scrollbar,
.table-responsive::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.table-scroll-container::-webkit-scrollbar-track,
.table-container::-webkit-scrollbar-track,
.table-responsive::-webkit-scrollbar-track {
    background: transparent;
}

.table-scroll-container::-webkit-scrollbar-thumb,
.table-container::-webkit-scrollbar-thumb,
.table-responsive::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.table-scroll-container::-webkit-scrollbar-thumb:hover,
.table-container::-webkit-scrollbar-thumb:hover,
.table-responsive::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Table element styling */
table, .table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
    text-align: left;
}

th {
    background-color: var(--bg-card);
    padding: 0.95rem 1.25rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-main);
    vertical-align: middle;
}

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

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

/* ==========================================================================
   Standardized Controls: Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    text-decoration: none;
    line-height: 1.2;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 2px 4px rgba(29, 78, 216, 0.2);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(29, 78, 216, 0.25);
    color: #ffffff;
}

.btn-secondary {
    background: var(--secondary);
    color: #ffffff;
}

.btn-secondary:hover {
    background: var(--secondary-hover);
    color: #ffffff;
}

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

.btn-success:hover {
    background: var(--success-hover);
    color: #ffffff;
}

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

.btn-danger:hover {
    background: var(--danger-hover);
    color: #ffffff;
}

.btn-warning {
    background: var(--warning);
    color: #ffffff;
}

.btn-warning:hover {
    background: var(--warning-hover);
    color: #ffffff;
}

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

.btn-outline:hover {
    background: var(--bg-hover);
    border-color: #cbd5e1;
    color: var(--text-main);
}

[data-theme="dark"] .btn-outline:hover {
    border-color: #475569;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.825rem;
    border-radius: 8px;
}

/* ==========================================================================
   Standardized Controls: Forms, Inputs, Selects
   ========================================================================== */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-main);
    font-size: 0.85rem;
}

.form-control,
input[type="text"],
input[type="number"],
input[type="password"],
input[type="email"],
input[type="date"],
input[type="tel"],
input[type="search"],
select,
textarea {
    width: 100%;
    padding: 0.625rem 1rem;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 10px;
    font-size: 0.9rem;
    font-family: var(--font-sans);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
    color: var(--text-main);
    box-sizing: border-box;
}

.form-control:focus,
input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-control:disabled,
input:disabled,
select:disabled,
textarea:disabled,
input[readonly] {
    background-color: var(--input-bg-disabled) !important;
    color: var(--input-text-disabled) !important;
    border-color: var(--border-color) !important;
    cursor: not-allowed;
}

/* Switches & Toggles */
.form-check {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    margin-bottom: 0.75rem;
}

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

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

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border-color);
    transition: .3s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

input:checked + .slider {
    background-color: var(--primary);
}

input:checked + .slider:before {
    transform: translateX(20px);
}

/* Filter toolbars */
.filter-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    background: var(--bg-card);
    padding: 0.5rem 0.75rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

/* ==========================================================================
   Badges
   ========================================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.2;
    border: 1px solid transparent;
}

.badge-primary {
    background-color: var(--badge-primary-bg);
    color: var(--badge-primary-text);
    border-color: rgba(29, 78, 216, 0.2);
}

.badge-secondary {
    background-color: var(--badge-secondary-bg);
    color: var(--badge-secondary-text);
    border-color: rgba(71, 85, 105, 0.2);
}

.badge-success {
    background-color: var(--badge-success-bg);
    color: var(--badge-success-text);
    border-color: rgba(5, 150, 105, 0.2);
}

.badge-danger {
    background-color: var(--badge-danger-bg);
    color: var(--badge-danger-text);
    border-color: rgba(225, 29, 72, 0.2);
}

.badge-warning {
    background-color: var(--badge-warning-bg);
    color: var(--badge-warning-text);
    border-color: rgba(217, 119, 6, 0.2);
}

.badge-info {
    background-color: var(--badge-info-bg);
    color: var(--badge-info-text);
    border-color: rgba(2, 132, 199, 0.2);
}

/* ==========================================================================
   Cards & Metrics (Bento / Stat Cards)
   ========================================================================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

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

.card.interactive {
    cursor: pointer;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    border-left: 4px solid var(--primary);
}

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

.stat-label {
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.1;
    font-family: var(--font-heading);
}

.stat-delta {
    font-size: 0.775rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

/* ==========================================================================
   Alerts & Notifications
   ========================================================================== */
.alert {
    padding: 0.875rem 1.25rem;
    border-radius: 12px;
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid transparent;
}

.alert-success {
    background: var(--success-light);
    color: #065f46;
    border-color: rgba(5, 150, 105, 0.2);
}

.alert-danger, .alert-error {
    background: var(--danger-light);
    color: #991b1b;
    border-color: rgba(225, 29, 72, 0.2);
}

.alert-warning {
    background: var(--warning-light);
    color: #92400e;
    border-color: rgba(217, 119, 6, 0.2);
}

.alert-info, .alert-message {
    background: var(--info-light);
    color: #075985;
    border-color: rgba(2, 132, 199, 0.2);
}

[data-theme="dark"] .alert-success {
    background: rgba(5, 150, 105, 0.15);
    color: #34d399;
    border-color: rgba(5, 150, 105, 0.3);
}

[data-theme="dark"] .alert-danger, [data-theme="dark"] .alert-error {
    background: rgba(225, 29, 72, 0.15);
    color: #fb7185;
    border-color: rgba(225, 29, 72, 0.3);
}

[data-theme="dark"] .alert-warning {
    background: rgba(217, 119, 6, 0.15);
    color: #fbbf24;
    border-color: rgba(217, 119, 6, 0.3);
}

[data-theme="dark"] .alert-info, [data-theme="dark"] .alert-message {
    background: rgba(2, 132, 199, 0.15);
    color: #38bdf8;
    border-color: rgba(2, 132, 199, 0.3);
}

/* ==========================================================================
   Modals
   ========================================================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.modal.active,
.modal:not(.hidden):not([style*="display: none"]) {
    opacity: 1;
    pointer-events: auto;
}

.modal-content,
.modal-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 540px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: modalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 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-header h2,
.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
}

.close,
.close-modal {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 8px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close:hover,
.close-modal:hover {
    color: var(--danger);
    background: var(--bg-hover);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

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

    .mobile-sidebar-btn {
        display: inline-flex;
    }

    .table-container {
        max-height: calc(100vh - 220px);
    }

    .main-content {
        padding: 1.25rem;
    }
}