/**
 * CMS — Course Management System — Material Design 3 Theme
 * Built on MD3 design tokens with full color role system
 */

:root {
    /* Map legacy vars to MD3 color roles */
    --ems-primary: var(--md3-primary);
    --ems-primary-hover: var(--md3-primary);
    --ems-primary-light: var(--md3-primary-container);
    --ems-secondary: var(--md3-secondary);
    --ems-accent: var(--md3-tertiary);
    --ems-accent-hover: var(--md3-tertiary);
    --ems-success: var(--md3-success);
    --ems-success-light: var(--md3-success-container);
    --ems-danger: var(--md3-error);
    --ems-danger-light: var(--md3-error-container);
    --ems-warning: var(--md3-warning);
    --ems-warning-light: var(--md3-warning-container);
    --ems-info: var(--md3-info);
    --ems-info-light: var(--md3-info-container);
    --ems-neutral: var(--md3-on-surface-variant);
    --ems-neutral-light: var(--md3-surface-container);

    --ems-bg: var(--md3-background);
    --ems-surface: var(--md3-surface);
    --ems-card-bg: var(--md3-surface-container-low);
    --ems-border: var(--md3-outline-variant);
    --ems-border-subtle: var(--md3-surface-container);

    --ems-text-main: var(--md3-on-surface);
    --ems-text-muted: var(--md3-on-surface-variant);
    --ems-text-subtle: var(--md3-outline);

    --ems-radius-sm: var(--md3-shape-corner-small);
    --ems-radius: var(--md3-shape-corner-medium);
    --ems-radius-lg: var(--md3-shape-corner-extra-large);
    --ems-radius-pill: var(--md3-shape-corner-full);

    --ems-shadow-xs: var(--md3-elevation-0);
    --ems-shadow-sm: var(--md3-elevation-1);
    --ems-shadow-md: var(--md3-elevation-2);
    --ems-shadow-lg: var(--md3-elevation-3);
    --ems-shadow-xl: var(--md3-elevation-5);

    --ems-sidebar-width: var(--md3-sidebar-width);
    --ems-header-height: var(--md3-header-height);
    --ems-transition: all var(--md3-duration-medium2) var(--md3-easing-standard);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Plus Jakarta Sans', 'Vazirmatn', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--ems-bg);
    color: var(--ems-text-main);
    margin: 0;
    padding: 0;
    font-size: 0.9375rem;
    line-height: 1.5;
    letter-spacing: -0.011em;
    -webkit-font-smoothing: antialiased;
}

/* Typography Utility */
.fs-xs { font-size: 0.75rem !important; }
.fs-sm { font-size: 0.84rem !important; }
.fw-semibold { font-weight: 600 !important; }
.fw-bold { font-weight: 700 !important; }
.fw-extrabold { font-weight: 800 !important; }

/* Wrapper Layout */
.ems-wrapper {
    display: flex;
    min-height: 100vh;
    position: relative;
}

/* Sidebar Styles */
.ems-sidebar {
    width: var(--ems-sidebar-width);
    background-color: var(--ems-surface);
    border-inline-end: 1px solid var(--ems-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    inset-inline-start: 0;
    z-index: 1040;
    transition: var(--ems-transition);
}

.ems-sidebar.collapsed {
    transform: translateX(-100%);
}

@media (min-width: 992px) {
    .ems-sidebar.collapsed {
        transform: none;
        width: var(--md3-sidebar-collapsed-width, 80px);
    }
    .ems-sidebar.collapsed .brand-text,
    .ems-sidebar.collapsed .menu-text,
    .ems-sidebar.collapsed .menu-heading,
    .ems-sidebar.collapsed .user-meta {
        display: none !important;
    }
    .ems-sidebar.collapsed .menu-link {
        justify-content: center;
        padding: 12px;
    }
    .ems-sidebar.collapsed .menu-link i {
        margin: 0 !important;
        font-size: 1.35rem;
    }
    .ems-wrapper.sidebar-collapsed .ems-main {
        margin-inline-start: var(--md3-sidebar-collapsed-width, 80px);
    }
}

.sidebar-header {
    height: var(--ems-header-height);
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--ems-border-subtle);
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--ems-text-main);
}

.brand-logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--ems-primary), var(--ems-accent));
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 4px 10px color-mix(in srgb, var(--md3-primary) 35%, transparent);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-weight: 800;
    font-size: 1.125rem;
    letter-spacing: -0.02em;
    color: var(--ems-text-main);
    line-height: 1.2;
}

.brand-badge {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--ems-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px 12px;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.menu-heading {
    font-size: 0.6875rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--ems-text-subtle);
    padding: 16px 12px 6px 12px;
    letter-spacing: 0.075em;
}

.menu-item {
    margin-bottom: 3px;
}

.menu-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    color: var(--ems-text-muted);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--ems-radius-sm);
    transition: var(--ems-transition);
}

.menu-link i {
    font-size: 1.2rem;
    transition: var(--ems-transition);
}

.menu-link:hover {
    background-color: var(--ems-neutral-light);
    color: var(--ems-primary);
    transform: translateX(3px);
}

.menu-item.active .menu-link {
    background-color: var(--ems-primary-light);
    color: var(--ems-primary);
    font-weight: 600;
}

.menu-item.active .menu-link i {
    color: var(--ems-primary);
}

.sidebar-footer {
    padding: 14px;
    border-top: 1px solid var(--ems-border-subtle);
    background-color: var(--ems-surface);
}

.user-card-sm {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 8px;
    border-radius: var(--ems-radius-sm);
    background-color: var(--ems-neutral-light);
}

.avatar-xs { width: 30px; height: 30px; object-fit: cover; }
.avatar-sm { width: 38px; height: 38px; border-radius: 10px; object-fit: cover; }
.avatar-md { width: 50px; height: 50px; }
.avatar-lg { width: 100px; height: 100px; object-fit: cover; }

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

.user-name {
    font-weight: 600;
    font-size: 0.8125rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.btn-logout {
    color: var(--ems-danger);
    background: none;
    border: none;
    font-size: 1.15rem;
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: var(--ems-transition);
}

.btn-logout:hover {
    background-color: var(--ems-danger-light);
}

/* Main Area */
.ems-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-inline-start: var(--ems-sidebar-width);
    transition: var(--ems-transition);
    min-width: 0;
}

/* Header */
.ems-header {
    height: var(--ems-header-height);
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--ems-border);
    position: sticky;
    top: 0;
    z-index: 1020;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--ems-border);
    background: var(--ems-surface);
    color: var(--ems-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--ems-transition);
}

.btn-icon:hover {
    background: var(--ems-neutral-light);
    color: var(--ems-primary);
    border-color: var(--ems-primary-light);
}

.header-search {
    position: relative;
    width: 300px;
}

.header-search .form-control {
    padding-inline-start: 38px;
    height: 40px;
    border-radius: var(--ems-radius-pill);
    background-color: var(--ems-neutral-light);
    border: 1px solid var(--ems-border);
    font-size: 0.875rem;
    transition: var(--ems-transition);
}

.header-search .form-control:focus {
    background-color: #FFFFFF;
    border-color: var(--ems-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--md3-primary) 15%, transparent);
    width: 360px;
}

.header-search .search-icon {
    position: absolute;
    inset-inline-start: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ems-text-subtle);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-profile-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: none;
    border: none;
    padding: 4px;
    border-radius: 12px;
    cursor: pointer;
}

.user-profile-btn:hover {
    background-color: var(--ems-neutral-light);
}

/* Content Area */
.ems-content {
    flex: 1;
    padding: 30px;
}

.ems-footer {
    padding: 18px 30px;
    border-top: 1px solid var(--ems-border-subtle);
    background-color: var(--ems-surface);
}

/* Cards & Elevated Panels */
.card-elevated {
    background: var(--ems-card-bg);
    border: 1px solid var(--ems-border);
    border-radius: var(--ems-radius);
    box-shadow: var(--ems-shadow-sm);
    transition: var(--ems-transition);
}

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

/* KPI Cards */
.card-kpi {
    background: var(--ems-card-bg);
    border: 1px solid var(--ems-border);
    border-radius: var(--ems-radius);
    box-shadow: var(--ems-shadow-sm);
    transition: var(--ems-transition);
}

.card-kpi:hover {
    transform: translateY(-3px);
    box-shadow: var(--ems-shadow-md);
    border-color: color-mix(in srgb, var(--md3-primary) 30%, transparent);
}

.kpi-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--ems-text-muted);
}

.kpi-value {
    font-size: 1.875rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.kpi-icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
}

/* Gradients */
.bg-primary-gradient { background: linear-gradient(135deg, var(--brand-primary), color-mix(in srgb, var(--brand-primary) 78%, #000000)); }
.bg-accent-gradient { background: linear-gradient(135deg, var(--brand-accent), color-mix(in srgb, var(--brand-accent) 78%, #000000)); }
.bg-success-gradient { background: linear-gradient(135deg, var(--brand-success), color-mix(in srgb, var(--brand-success) 78%, #000000)); }
.bg-danger-gradient { background: linear-gradient(135deg, var(--brand-danger), color-mix(in srgb, var(--brand-danger) 78%, #000000)); }
.bg-warning-gradient { background: linear-gradient(135deg, var(--brand-warning), color-mix(in srgb, var(--brand-warning) 78%, #000000)); }
.bg-info-gradient { background: linear-gradient(135deg, var(--md3-info), color-mix(in srgb, var(--md3-info) 78%, #000000)); }

/* Badges Soft */
.badge-soft-primary { background-color: var(--md3-primary-container); color: var(--md3-on-primary-container); }
.badge-soft-success { background-color: var(--md3-success-container); color: var(--md3-on-success-container); }
.badge-soft-danger { background-color: var(--md3-error-container); color: var(--md3-on-error-container); }
.badge-soft-warning { background-color: var(--md3-warning-container); color: var(--md3-on-warning-container); }
.badge-soft-info { background-color: var(--md3-info-container); color: var(--md3-on-info-container); }
.badge-soft-neutral { background-color: #F1F5F9; color: #475569; }

/* Buttons Subtle */
.btn-icon-subtle {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: none;
    background: transparent;
    transition: var(--ems-transition);
}

.btn-icon-subtle:hover {
    background-color: var(--ems-neutral-light);
}

/* Quick Actions Card */
.quick-action-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 16px;
    border-radius: var(--ems-radius);
    background: var(--ems-neutral-light);
    border: 1px solid var(--ems-border);
    text-decoration: none;
    color: var(--ems-text-main);
    transition: var(--ems-transition);
}

.quick-action-card:hover {
    background: #FFFFFF;
    box-shadow: var(--ems-shadow-md);
    transform: translateY(-2px);
    color: var(--ems-primary);
}

.action-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 8px;
}

.action-title {
    font-weight: 600;
    font-size: 0.8125rem;
}

/* Activity Timeline */
.activity-timeline {
    position: relative;
    padding-left: 20px;
}

.activity-timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 4px;
    bottom: 4px;
    width: 2px;
    background-color: var(--ems-border);
}

.timeline-item {
    position: relative;
    margin-bottom: 20px;
}

.timeline-marker {
    position: absolute;
    left: -20px;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid #FFFFFF;
    box-shadow: 0 0 0 2px var(--ems-border);
}

/* Auth Page */
.auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 10% 20%, color-mix(in srgb, var(--md3-primary) 8%, transparent) 0%, color-mix(in srgb, var(--md3-tertiary) 5%, transparent) 90%), var(--md3-background);
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 450px;
}

.auth-card {
    background: #FFFFFF;
    border: 1px solid var(--ems-border);
    border-radius: var(--ems-radius-lg);
    box-shadow: var(--ems-shadow-xl);
    padding: 40px;
}

.auth-logo {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--ems-primary), var(--ems-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 18px color-mix(in srgb, var(--md3-primary) 35%, transparent);
}

/* Print Rules */
@media print {
    .no-print, .ems-sidebar, .ems-header, .ems-footer {
        display: none !important;
    }
    .ems-main {
        margin-left: 0 !important;
        padding: 0 !important;
    }
    .print-card {
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
    }
}

/* Enhanced Thermal & Standard Print Rules */
@media print {
    body.thermal-mode {
        width: 80mm !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    body.thermal-mode #receiptA4 {
        display: none !important;
    }
    body.thermal-mode #receiptThermal {
        display: block !important;
        width: 80mm !important;
        max-width: 80mm !important;
        margin: 0 auto !important;
        padding: 4mm !important;
        font-size: 11px !important;
        color: #000 !important;
    }
    body.thermal-mode #receiptThermal .card {
        border: none !important;
        box-shadow: none !important;
    }
}

/* ==========================================================================
   REPORTS & ANALYTICS GLASSMORPHISM & KPI CARD STYLES
   ========================================================================== */
.glass-card {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(226, 232, 240, 0.8) !important;
    border-radius: var(--ems-radius) !important;
    box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.02) !important;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
    position: relative;
    overflow: hidden;
}

[data-bs-theme="dark"] .glass-card {
    background: rgba(30, 41, 59, 0.75) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(51, 65, 85, 0.6) !important;
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.3) !important;
}

.glass-card:hover {
    transform: translateY(-4px) !important;
    box-shadow: 0 16px 32px -4px rgba(15, 23, 42, 0.12), 0 6px 12px -2px rgba(15, 23, 42, 0.05) !important;
    border-color: color-mix(in srgb, var(--md3-primary) 30%, transparent) !important;
}

[data-bs-theme="dark"] .glass-card:hover {
    box-shadow: 0 16px 32px -4px rgba(0, 0, 0, 0.5) !important;
    border-color: color-mix(in srgb, var(--md3-primary) 50%, transparent) !important;
}

.kpi-card {
    position: relative;
    padding: 1.35rem 1.25rem;
}

.kpi-card .kpi-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    transition: transform 0.3s ease;
}

.kpi-card:hover .kpi-icon-box {
    transform: scale(1.12) rotate(4deg);
}

.kpi-trend-pill {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: 9999px;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    line-height: 1;
}

.kpi-trend-pill.positive {
    background-color: var(--md3-success-container);
    color: var(--md3-on-success-container);
}

.kpi-trend-pill.negative {
    background-color: #FEF2F2;
    color: #EF4444;
}

.kpi-trend-pill.neutral {
    background-color: #F1F5F9;
    color: #64748B;
}

[data-bs-theme="dark"] .kpi-trend-pill.positive {
    background-color: rgba(16, 185, 129, 0.15);
    color: #34D399;
}

[data-bs-theme="dark"] .kpi-trend-pill.negative {
    background-color: rgba(239, 68, 68, 0.15);
    color: #F87171;
}

[data-bs-theme="dark"] .kpi-trend-pill.neutral {
    background-color: rgba(148, 163, 184, 0.15);
    color: #CBD5E1;
}

.chart-container-card {
    position: relative;
    min-height: 320px;
}

/* ============================================================
   MD3 COMPONENT OVERRIDES — Upgrade existing components
   ============================================================ */

/* MD3 Card System */
.card-elevated {
    background-color: var(--md3-surface-container-low);
    border: 1px solid var(--md3-outline-variant);
    border-radius: var(--md3-shape-corner-medium);
    box-shadow: var(--md3-elevation-1);
    transition: all var(--md3-duration-medium2) var(--md3-easing-standard);
}
.card-elevated:hover {
    box-shadow: var(--md3-elevation-2);
}

.card-kpi {
    background-color: var(--md3-surface-container-low);
    border: 1px solid var(--md3-outline-variant);
    border-radius: var(--md3-shape-corner-medium);
    box-shadow: var(--md3-elevation-1);
    transition: all var(--md3-duration-medium2) var(--md3-easing-standard);
}
.card-kpi:hover {
    box-shadow: var(--md3-elevation-2);
    transform: translateY(-2px);
}

/* MD3 Button System */
.btn {
    border-radius: var(--md3-shape-corner-full);
    font-weight: var(--md3-weight-medium);
    transition: all var(--md3-duration-short4) var(--md3-easing-standard);
    position: relative;
    overflow: hidden;
}
.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: currentColor;
    opacity: 0;
    transition: opacity var(--md3-duration-short4) var(--md3-easing-standard);
    border-radius: inherit;
}
.btn:hover::after { opacity: var(--md3-state-hover); }
.btn:active::after { opacity: var(--md3-state-pressed); }
.btn:focus-visible {
    outline: 3px solid var(--md3-primary);
    outline-offset: 2px;
}

.btn-primary {
    background-color: var(--md3-primary);
    border-color: var(--md3-primary);
    color: var(--md3-on-primary);
    box-shadow: var(--md3-elevation-1);
}
.btn-primary:hover {
    background-color: var(--md3-primary);
    border-color: var(--md3-primary);
    color: var(--md3-on-primary);
    box-shadow: var(--md3-elevation-2);
}

.btn-success {
    background-color: var(--md3-success);
    border-color: var(--md3-success);
    color: var(--md3-on-success);
}
.btn-danger {
    background-color: var(--md3-error);
    border-color: var(--md3-error);
    color: var(--md3-on-error);
}
.btn-warning {
    background-color: var(--md3-warning);
    border-color: var(--md3-warning);
    color: var(--md3-on-warning);
}
.btn-info {
    background-color: var(--md3-info);
    border-color: var(--md3-info);
    color: var(--md3-on-info);
}

.btn-outline-primary {
    color: var(--md3-primary);
    border-color: var(--md3-outline);
    background-color: transparent;
}
.btn-outline-primary:hover {
    background-color: color-mix(in srgb, var(--md3-primary) 8%, transparent);
    color: var(--md3-primary);
}

.btn-outline-secondary {
    color: var(--md3-on-surface-variant);
    border-color: var(--md3-outline);
    background-color: transparent;
}
.btn-outline-secondary:hover {
    background-color: color-mix(in srgb, var(--md3-secondary) 8%, transparent);
}

.btn-outline-success {
    color: var(--md3-success);
    border-color: var(--md3-outline);
    background-color: transparent;
}
.btn-outline-danger {
    color: var(--md3-error);
    border-color: var(--md3-outline);
    background-color: transparent;
}

.btn-light {
    background-color: var(--md3-surface-container);
    border-color: var(--md3-outline-variant);
    color: var(--md3-on-surface);
}

/* MD3 Icon Button */
.btn-icon {
    width: var(--md3-touch-target-min);
    height: var(--md3-touch-target-min);
    border-radius: var(--md3-shape-corner-full);
    border: none;
    background: transparent;
    color: var(--md3-on-surface-variant);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--md3-duration-short4) var(--md3-easing-standard);
    position: relative;
    overflow: hidden;
}
.btn-icon::after {
    content: '';
    position: absolute;
    inset: 0;
    background: currentColor;
    opacity: 0;
    transition: opacity var(--md3-duration-short4) var(--md3-easing-standard);
    border-radius: inherit;
}
.btn-icon:hover::after { opacity: var(--md3-state-hover); }
.btn-icon:active::after { opacity: var(--md3-state-pressed); }
.btn-icon:focus-visible {
    outline: 3px solid var(--md3-primary);
    outline-offset: 2px;
}

/* MD3 Form Controls */
.form-control,
.form-select {
    border-radius: var(--md3-shape-corner-extra-small);
    border: 1px solid var(--md3-outline);
    background-color: transparent;
    color: var(--md3-on-surface);
    font-size: var(--md3-font-body-large);
    transition: all var(--md3-duration-short4) var(--md3-easing-standard);
    padding: 0 var(--md3-space-4);
    height: 56px;
}
.form-control:hover,
.form-select:hover {
    border-color: var(--md3-on-surface);
}
.form-control:focus,
.form-select:focus {
    border-color: var(--md3-primary);
    border-width: 2px;
    box-shadow: none;
    outline: none;
    padding: 0 calc(var(--md3-space-4) - 1px);
}
.form-control::placeholder {
    color: var(--md3-on-surface-variant);
}

.form-label {
    font-size: var(--md3-font-label-medium);
    font-weight: var(--md3-weight-medium);
    color: var(--md3-on-surface-variant);
    margin-bottom: var(--md3-space-1);
}

/* MD3 Table System */
.table {
    --bs-table-color: var(--md3-on-surface);
    --bs-table-bg: transparent;
    --bs-table-border-color: var(--md3-outline-variant);
    color: var(--md3-on-surface);
    font-size: var(--md3-font-body-medium);
}
.table thead,
.table thead.bg-light {
    background-color: var(--md3-surface-container);
    position: sticky;
    top: 0;
    z-index: 1;
}
.table th {
    font-size: var(--md3-font-label-medium);
    font-weight: var(--md3-weight-medium);
    color: var(--md3-on-surface-variant);
    padding: var(--md3-space-3) var(--md3-space-4);
    border-bottom: 1px solid var(--md3-outline-variant);
    white-space: nowrap;
}
.table td {
    padding: var(--md3-space-3) var(--md3-space-4);
    border-bottom: 1px solid var(--md3-outline-variant);
    vertical-align: middle;
}
.table tbody tr {
    transition: background-color var(--md3-duration-short4) var(--md3-easing-standard);
}
.table tbody tr:hover {
    background-color: var(--md3-surface-container);
}
.table-hover tbody tr:hover {
    background-color: var(--md3-surface-container);
}

/* MD3 Badge System */
.badge {
    border-radius: var(--md3-shape-corner-full);
    font-weight: var(--md3-weight-medium);
    font-size: var(--md3-font-label-small);
    padding: 4px 8px;
}
.bg-primary-subtle { background-color: var(--md3-primary-container) !important; color: var(--md3-on-primary-container) !important; }
.bg-success-subtle { background-color: var(--md3-success-container) !important; color: var(--md3-on-success-container) !important; }
.bg-danger-subtle { background-color: var(--md3-error-container) !important; color: var(--md3-on-error-container) !important; }
.bg-warning-subtle { background-color: var(--md3-warning-container) !important; color: var(--md3-on-warning-container) !important; }
.bg-info-subtle { background-color: var(--md3-info-container) !important; color: var(--md3-on-info-container) !important; }
.bg-secondary-subtle { background-color: var(--md3-secondary-container) !important; color: var(--md3-on-secondary-container) !important; }
.bg-light { background-color: var(--md3-surface-container) !important; color: var(--md3-on-surface) !important; }
.text-dark { color: var(--md3-on-surface) !important; }
.text-muted { color: var(--md3-on-surface-variant) !important; }
.text-primary { color: var(--md3-primary) !important; }
.text-success { color: var(--md3-success) !important; }
.text-danger { color: var(--md3-error) !important; }
.text-warning { color: var(--md3-warning) !important; }
.text-info { color: var(--md3-info) !important; }

/* MD3 Sidebar / Navigation */
.ems-sidebar {
    background-color: var(--md3-surface-container-low);
    border-right: 1px solid var(--md3-outline-variant);
    transition: all var(--md3-duration-medium3) var(--md3-easing-emphasized);
}

.menu-link {
    border-radius: var(--md3-shape-corner-full);
    transition: all var(--md3-duration-short4) var(--md3-easing-standard);
    position: relative;
    overflow: hidden;
}
.menu-link::after {
    content: '';
    position: absolute;
    inset: 0;
    background: currentColor;
    opacity: 0;
    transition: opacity var(--md3-duration-short4) var(--md3-easing-standard);
    border-radius: inherit;
}
.menu-link:hover::after { opacity: var(--md3-state-hover); }
.menu-link:active::after { opacity: var(--md3-state-pressed); }

.menu-item.active .menu-link {
    background-color: var(--md3-secondary-container);
    color: var(--md3-on-secondary-container);
    font-weight: var(--md3-weight-medium);
}

.menu-heading {
    color: var(--md3-on-surface-variant);
    font-size: var(--md3-font-label-small);
    font-weight: var(--md3-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* MD3 Header */
.ems-header {
    background-color: rgba(254, 247, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--md3-outline-variant);
    height: var(--md3-header-height);
}
[data-theme="dark"] .ems-header {
    background-color: rgba(20, 18, 24, 0.85);
}

/* MD3 Dropdown */
.dropdown-menu {
    background-color: var(--md3-surface-container-high);
    border: 1px solid var(--md3-outline-variant);
    border-radius: var(--md3-shape-corner-small);
    box-shadow: var(--md3-elevation-3);
    padding: var(--md3-space-2);
}
.dropdown-item {
    color: var(--md3-on-surface);
    border-radius: var(--md3-shape-corner-small);
    padding: var(--md3-space-2) var(--md3-space-3);
    font-size: var(--md3-font-body-medium);
    transition: background-color var(--md3-duration-short4) var(--md3-easing-standard);
}
.dropdown-item:hover {
    background-color: var(--md3-surface-container);
    color: var(--md3-on-surface);
}

/* MD3 Modal */
.modal-content {
    background-color: var(--md3-surface-container-high);
    border: 1px solid var(--md3-outline-variant);
    border-radius: var(--md3-shape-corner-extra-large);
    box-shadow: var(--md3-elevation-3);
}
.modal-header {
    border-bottom-color: var(--md3-outline-variant);
}
.modal-footer {
    border-top-color: var(--md3-outline-variant);
}

/* MD3 List Group */
.list-group-item {
    background-color: transparent;
    border-color: var(--md3-outline-variant);
    color: var(--md3-on-surface);
    transition: background-color var(--md3-duration-short4) var(--md3-easing-standard);
}
.list-group-item:hover {
    background-color: var(--md3-surface-container);
}
.list-group-item.active {
    background-color: var(--md3-secondary-container);
    border-color: var(--md3-secondary-container);
    color: var(--md3-on-secondary-container);
}

/* MD3 Avatar */
.avatar-sm, .avatar-md, .avatar-lg {
    border-radius: var(--md3-shape-corner-full);
    object-fit: cover;
}

/* MD3 Quick Action Cards */
.quick-action-card {
    background-color: var(--md3-surface-container);
    border: 1px solid var(--md3-outline-variant);
    border-radius: var(--md3-shape-corner-medium);
    transition: all var(--md3-duration-medium2) var(--md3-easing-standard);
}
.quick-action-card:hover {
    background-color: var(--md3-surface-container-high);
    box-shadow: var(--md3-elevation-2);
    transform: translateY(-2px);
}

/* MD3 Alerts */
.alert {
    border-radius: var(--md3-shape-corner-medium);
    border: 1px solid transparent;
}

/* MD3 Progress */
.progress {
    border-radius: var(--md3-shape-corner-full);
    background-color: var(--md3-surface-container-highest);
}
.progress-bar {
    background-color: var(--md3-primary);
    border-radius: inherit;
}

/* MD3 Nav Tabs */
.nav-tabs .nav-link {
    color: var(--md3-on-surface-variant);
    border-radius: var(--md3-shape-corner-small) var(--md3-shape-corner-small) 0 0;
    transition: all var(--md3-duration-short4) var(--md3-easing-standard);
}
.nav-tabs .nav-link:hover {
    color: var(--md3-on-surface);
}
.nav-tabs .nav-link.active {
    color: var(--md3-primary);
    border-bottom-color: var(--md3-primary);
}

/* MD3 Pagination */
.page-link {
    color: var(--md3-on-surface-variant);
    border-radius: var(--md3-shape-corner-full);
    transition: all var(--md3-duration-short4) var(--md3-easing-standard);
}
.page-link:hover {
    background-color: var(--md3-surface-container);
    color: var(--md3-on-surface);
}
.page-item.active .page-link {
    background-color: var(--md3-primary);
    border-color: var(--md3-primary);
    color: var(--md3-on-primary);
}

/* MD3 Tooltip */
.tooltip-inner {
    background-color: var(--md3-inverse-surface);
    color: var(--md3-inverse-on-surface);
    border-radius: var(--md3-shape-corner-extra-small);
    font-size: var(--md3-font-body-small);
}

/* MD3 Toast */
.toast {
    background-color: var(--md3-inverse-surface);
    color: var(--md3-inverse-on-surface);
    border-radius: var(--md3-shape-corner-small);
    box-shadow: var(--md3-elevation-3);
}

/* MD3 Focus States */
*:focus-visible {
    outline: 3px solid var(--md3-primary);
    outline-offset: 2px;
}

/* MD3 Selection */
::selection {
    background-color: var(--md3-primary-container);
    color: var(--md3-on-primary-container);
}

/* MD3 Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background-color: var(--md3-outline-variant);
    border-radius: var(--md3-shape-corner-full);
}
::-webkit-scrollbar-thumb:hover {
    background-color: var(--md3-outline);
}

/* MD3 Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* MD3 High Contrast */
@media (forced-colors: active) {
    .card-elevated,
    .card-kpi,
    .btn {
        border: 2px solid ButtonText;
    }
}