/* =====================================================
   Muayyan - Design System & Global Styles
   Academic Assessment Load & Performance Analysis System
   Theme: Navy-to-Sky-Blue Shield Gradient
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
    /* Primary Palette (from logo) */
    --primary-900: #0a1628;
    --primary-800: #0f2744;
    --primary-700: #143a5c;
    --primary-600: #1a5276;
    --primary-500: #1e6fa0;
    --primary-400: #2e86c1;
    --primary-300: #5dade2;
    --primary-200: #85c1e9;
    --primary-100: #aed6f1;
    --primary-50:  #d6eaf8;
    --primary-25:  #eaf2f8;

    /* Accent Colors */
    --accent:       #00d4aa;
    --accent-dark:  #00b894;
    --accent-light: #55efc4;

    /* Status Colors */
    --success:  #27ae60;
    --warning:  #f39c12;
    --danger:   #e74c3c;
    --info:     #3498db;
    --orange:   #e67e22;

    /* Risk Level Colors */
    --risk-stable:    #27ae60;
    --risk-monitor:   #f39c12;
    --risk-atrisk:    #e67e22;
    --risk-high:      #e74c3c;

    /* Neutral Colors */
    --gray-900: #1a1a2e;
    --gray-800: #2d2d44;
    --gray-700: #404060;
    --gray-600: #6c6c8a;
    --gray-500: #8e8ea0;
    --gray-400: #b0b0c0;
    --gray-300: #d0d0da;
    --gray-200: #e8e8f0;
    --gray-100: #f4f4f8;
    --gray-50:  #fafafc;

    /* Layout */
    --sidebar-width: 270px;
    --sidebar-collapsed: 70px;
    --topbar-height: 65px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;

    /* Shadows */
    --shadow-sm:  0 1px 3px rgba(10, 22, 40, 0.08);
    --shadow-md:  0 4px 12px rgba(10, 22, 40, 0.12);
    --shadow-lg:  0 8px 30px rgba(10, 22, 40, 0.16);
    --shadow-xl:  0 15px 50px rgba(10, 22, 40, 0.2);
    --shadow-glow: 0 0 20px rgba(46, 134, 193, 0.3);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-blur: blur(20px);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-100);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover {
    color: var(--primary-600);
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* =====================================================
   SIDEBAR
   ===================================================== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, var(--primary-900) 0%, var(--primary-800) 50%, var(--primary-700) 100%);
    z-index: 1040;
    transition: width var(--transition-base);
    display: flex;
    flex-direction: column;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
}

.sidebar-brand {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    min-height: var(--topbar-height);
}

.sidebar-brand img {
    width: 42px;
    height: 42px;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(93, 173, 226, 0.4));
}

.sidebar-brand h1 {
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 2px;
    margin: 0;
    background: linear-gradient(135deg, #fff 0%, var(--primary-200) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-brand small {
    display: block;
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0;
    color: var(--primary-300);
    -webkit-text-fill-color: var(--primary-300);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 15px 0;
}

.sidebar-nav::-webkit-scrollbar {
    width: 3px;
}

.nav-section {
    padding: 8px 20px 6px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary-300);
    opacity: 0.6;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    position: relative;
}

.nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
    transition: transform var(--transition-fast);
}

.nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
    border-left-color: var(--primary-300);
}

.nav-link:hover i {
    transform: scale(1.1);
}

.nav-link.active {
    color: #fff;
    background: linear-gradient(90deg, rgba(46, 134, 193, 0.2), transparent);
    border-left-color: var(--primary-300);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 70%;
    background: var(--primary-300);
    border-radius: 3px 0 0 3px;
}

.nav-badge {
    margin-left: auto;
    background: var(--danger);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.sidebar-footer {
    padding: 15px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
}

.sidebar-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-400), var(--primary-300));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user-info .name {
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-info .role {
    font-size: 0.65rem;
    color: var(--primary-300);
    text-transform: capitalize;
}

/* =====================================================
   TOPBAR
   ===================================================== */
.topbar {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--topbar-height);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1030;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 25px;
    transition: left var(--transition-base);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.topbar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--gray-700);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius-sm);
    transition: background var(--transition-fast);
}

.topbar-toggle:hover {
    background: var(--gray-200);
}

.page-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-900);
}

.page-title small {
    display: block;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--gray-500);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Notification Bell */
.notification-bell {
    position: relative;
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--gray-600);
    cursor: pointer;
    padding: 8px 10px;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.notification-bell:hover {
    background: var(--primary-50);
    color: var(--primary-500);
}

.notification-bell .badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: var(--danger);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #fff;
}

/* Notification Dropdown */
.notification-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: 380px;
    max-height: 450px;
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    display: none;
    z-index: 1050;
    overflow: hidden;
}

.notification-dropdown.show {
    display: block;
    animation: slideDown 0.2s ease;
}

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

.notification-header {
    padding: 15px 18px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.notification-header h6 {
    font-weight: 700;
    color: var(--primary-900);
    margin: 0;
}

.notification-list {
    max-height: 350px;
    overflow-y: auto;
}

.notification-item {
    padding: 12px 18px;
    display: flex;
    gap: 12px;
    border-bottom: 1px solid var(--gray-100);
    transition: background var(--transition-fast);
    cursor: pointer;
}

.notification-item:hover {
    background: var(--gray-50);
}

.notification-item.unread {
    background: var(--primary-25);
}

.notification-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.85rem;
}

.notification-icon.alert { background: rgba(231, 76, 60, 0.1); color: var(--danger); }
.notification-icon.grade { background: rgba(39, 174, 96, 0.1); color: var(--success); }
.notification-icon.request { background: rgba(46, 134, 193, 0.1); color: var(--primary-400); }
.notification-icon.system { background: rgba(243, 156, 18, 0.1); color: var(--warning); }

.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-content .title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 2px;
}

.notification-content .text {
    font-size: 0.75rem;
    color: var(--gray-500);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.notification-content .time {
    font-size: 0.65rem;
    color: var(--gray-400);
    margin-top: 3px;
}

/* User Menu */
.user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: var(--border-radius-sm);
    transition: background var(--transition-fast);
}

.user-menu:hover {
    background: var(--gray-100);
}

.user-menu-avatar {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-300));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
}

.user-menu-info {
    text-align: right;
}

.user-menu-info .name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-800);
}

.user-menu-info .role {
    font-size: 0.65rem;
    color: var(--gray-500);
    text-transform: capitalize;
}

/* =====================================================
   MAIN CONTENT
   ===================================================== */
.main-content {
    margin-left: var(--sidebar-width);
    padding-top: var(--topbar-height);
    min-height: 100vh;
    transition: margin-left var(--transition-base);
}

.content-wrapper {
    padding: 25px;
}

/* =====================================================
   STAT CARDS
   ===================================================== */
.stat-card {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 22px;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    height: 100%;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-300));
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.stat-card .stat-icon.primary { background: rgba(30, 111, 160, 0.1); color: var(--primary-500); }
.stat-card .stat-icon.success { background: rgba(39, 174, 96, 0.1); color: var(--success); }
.stat-card .stat-icon.warning { background: rgba(243, 156, 18, 0.1); color: var(--warning); }
.stat-card .stat-icon.danger  { background: rgba(231, 76, 60, 0.1); color: var(--danger); }
.stat-card .stat-icon.info    { background: rgba(52, 152, 219, 0.1); color: var(--info); }
.stat-card .stat-icon.accent  { background: rgba(0, 212, 170, 0.1); color: var(--accent); }

.stat-card .stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-900);
    line-height: 1;
    margin-bottom: 5px;
}

.stat-card .stat-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--gray-500);
}

.stat-card .stat-change {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-top: 8px;
    padding: 2px 8px;
    border-radius: 20px;
}

.stat-change.up { background: rgba(39, 174, 96, 0.1); color: var(--success); }
.stat-change.down { background: rgba(231, 76, 60, 0.1); color: var(--danger); }

/* Gradient stat cards */
.stat-card.gradient-1 { background: linear-gradient(135deg, #1e6fa0 0%, #5dade2 100%); border: none; }
.stat-card.gradient-2 { background: linear-gradient(135deg, #27ae60 0%, #55efc4 100%); border: none; }
.stat-card.gradient-3 { background: linear-gradient(135deg, #e67e22 0%, #f39c12 100%); border: none; }
.stat-card.gradient-4 { background: linear-gradient(135deg, #e74c3c 0%, #fd79a8 100%); border: none; }

.stat-card.gradient-1::before,
.stat-card.gradient-2::before,
.stat-card.gradient-3::before,
.stat-card.gradient-4::before { display: none; }

.stat-card[class*="gradient-"] .stat-icon { background: rgba(255,255,255,0.2); color: #fff; }
.stat-card[class*="gradient-"] .stat-value { color: #fff; }
.stat-card[class*="gradient-"] .stat-label { color: rgba(255,255,255,0.85); }

/* =====================================================
   DASHBOARD CARDS / PANELS
   ===================================================== */
.card {
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base);
    overflow: hidden;
}

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

.card-header {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h5, .card-header h6 {
    margin: 0;
    font-weight: 700;
    color: var(--primary-900);
    font-size: 0.95rem;
}

.card-body {
    padding: 20px;
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 25px;
}

/* =====================================================
   TABLES
   ===================================================== */
.table-container {
    background: #fff;
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.table {
    margin-bottom: 0;
}

.table thead th {
    background: var(--gray-50);
    border-bottom: 2px solid var(--gray-200);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-600);
    padding: 12px 16px;
    white-space: nowrap;
}

.table tbody td {
    padding: 12px 16px;
    vertical-align: middle;
    font-size: 0.85rem;
    border-color: var(--gray-100);
}

.table tbody tr {
    transition: background var(--transition-fast);
}

.table tbody tr:hover {
    background: var(--primary-25);
}

/* =====================================================
   BADGES
   ===================================================== */
.badge {
    font-weight: 600;
    font-size: 0.7rem;
    padding: 4px 10px;
    border-radius: 20px;
    letter-spacing: 0.3px;
}

.bg-orange { background-color: var(--orange) !important; color: #fff; }

/* Assessment Type Badges */
.badge-quiz { background: rgba(52, 152, 219, 0.12); color: #2980b9; }
.badge-midterm { background: rgba(155, 89, 182, 0.12); color: #8e44ad; }
.badge-final { background: rgba(231, 76, 60, 0.12); color: #c0392b; }
.badge-project { background: rgba(39, 174, 96, 0.12); color: #27ae60; }
.badge-assignment { background: rgba(243, 156, 18, 0.12); color: #e67e22; }
.badge-presentation { background: rgba(26, 188, 156, 0.12); color: #16a085; }
.badge-lab { background: rgba(52, 73, 94, 0.12); color: #34495e; }
.badge-participation { background: rgba(149, 165, 166, 0.12); color: #7f8c8d; }

/* Risk Badges */
.risk-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
}

.risk-stable    { background: rgba(39, 174, 96, 0.12); color: var(--risk-stable); }
.risk-monitor   { background: rgba(243, 156, 18, 0.12); color: var(--risk-monitor); }
.risk-at_risk   { background: rgba(230, 126, 34, 0.12); color: var(--risk-atrisk); }
.risk-high_risk { background: rgba(231, 76, 60, 0.12); color: var(--risk-high); }

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: var(--border-radius-sm);
    padding: 8px 18px;
    transition: all var(--transition-fast);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-400));
    color: #fff;
    box-shadow: 0 4px 12px rgba(30, 111, 160, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(30, 111, 160, 0.4);
    color: #fff;
}

.btn-outline-primary {
    border: 1.5px solid var(--primary-400);
    color: var(--primary-500);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary-500);
    color: #fff;
}

.btn-success {
    background: linear-gradient(135deg, #27ae60, #2ecc71);
    color: #fff;
}

.btn-danger {
    background: linear-gradient(135deg, #e74c3c, #ec7063);
    color: #fff;
}

.btn-warning {
    background: linear-gradient(135deg, #f39c12, #f1c40f);
    color: #fff;
}

.btn-sm {
    font-size: 0.78rem;
    padding: 5px 12px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
}

/* =====================================================
   FORMS
   ===================================================== */
.form-control, .form-select {
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--border-radius-sm);
    padding: 10px 14px;
    transition: all var(--transition-fast);
    color: var(--gray-800);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px rgba(46, 134, 193, 0.15);
}

.form-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 5px;
}

/* =====================================================
   CHARTS WRAPPER
   ===================================================== */
.chart-wrapper {
    position: relative;
    padding: 10px;
}

/* =====================================================
   LIST GROUPS
   ===================================================== */
.activity-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
}

.activity-item:last-child { border-bottom: none; }

.activity-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-top: 5px;
    flex-shrink: 0;
}

.activity-dot.primary { background: var(--primary-400); }
.activity-dot.success { background: var(--success); }
.activity-dot.warning { background: var(--warning); }
.activity-dot.danger  { background: var(--danger); }

.activity-content .title {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-800);
}

.activity-content .time {
    font-size: 0.7rem;
    color: var(--gray-400);
}

/* =====================================================
   PROGRESS BARS
   ===================================================== */
.progress {
    height: 8px;
    border-radius: 10px;
    background: var(--gray-200);
    overflow: hidden;
}

.progress-bar {
    border-radius: 10px;
    transition: width 1s ease;
}

.progress-bar.primary { background: linear-gradient(90deg, var(--primary-500), var(--primary-300)); }
.progress-bar.success { background: linear-gradient(90deg, #27ae60, #55efc4); }
.progress-bar.warning { background: linear-gradient(90deg, #f39c12, #f1c40f); }
.progress-bar.danger  { background: linear-gradient(90deg, #e74c3c, #fd79a8); }

/* =====================================================
   RISK INDICATOR
   ===================================================== */
.risk-indicator {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    border-radius: var(--border-radius);
    background: #fff;
    border: 1px solid var(--gray-200);
}

.risk-indicator .risk-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 800;
    color: #fff;
    flex-shrink: 0;
    position: relative;
}

.risk-circle.stable    { background: linear-gradient(135deg, #27ae60, #2ecc71); box-shadow: 0 4px 15px rgba(39,174,96,0.4); }
.risk-circle.monitor   { background: linear-gradient(135deg, #f39c12, #f1c40f); box-shadow: 0 4px 15px rgba(243,156,18,0.4); }
.risk-circle.at_risk   { background: linear-gradient(135deg, #e67e22, #f39c12); box-shadow: 0 4px 15px rgba(230,126,34,0.4); }
.risk-circle.high_risk { background: linear-gradient(135deg, #e74c3c, #ec7063); box-shadow: 0 4px 15px rgba(231,76,60,0.4); animation: glow-danger 2s ease-in-out infinite; }

@keyframes glow-danger {
    0%, 100% { box-shadow: 0 4px 15px rgba(231,76,60,0.4); }
    50% { box-shadow: 0 4px 25px rgba(231,76,60,0.7); }
}

.risk-info h5 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-900);
    margin-bottom: 3px;
}

.risk-info p {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin: 0;
}

/* =====================================================
   EMPTY STATE
   ===================================================== */
.empty-state {
    text-align: center;
    padding: 40px 20px;
}

.empty-state i {
    font-size: 3rem;
    color: var(--gray-300);
    margin-bottom: 15px;
}

.empty-state h5 {
    color: var(--gray-600);
    font-weight: 600;
}

.empty-state p {
    color: var(--gray-400);
    font-size: 0.85rem;
}

/* =====================================================
   ANIMATIONS
   ===================================================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

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

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* =====================================================
   MODALS
   ===================================================== */
.modal-content {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--gray-200);
    padding: 18px 24px;
}

.modal-header .modal-title {
    font-weight: 700;
    color: var(--primary-900);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    border-top: 1px solid var(--gray-200);
    padding: 14px 24px;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
    .topbar {
        left: 0;
    }
    .topbar-toggle {
        display: block;
    }
}

@media (max-width: 767.98px) {
    .content-wrapper {
        padding: 15px;
    }
    .stat-card {
        padding: 16px;
    }
    .stat-card .stat-value {
        font-size: 1.5rem;
    }
    .notification-dropdown {
        width: 320px;
        right: -50px;
    }
    .topbar {
        padding: 0 15px;
    }
}

@media (max-width: 575.98px) {
    .page-title {
        font-size: 1rem;
    }
    .page-title small {
        display: none;
    }
    .user-menu-info {
        display: none;
    }
}

/* =====================================================
   OVERLAY (mobile sidebar)
   ===================================================== */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1035;
}

.sidebar-overlay.show {
    display: block;
}

/* =====================================================
   PRINT STYLES
   ===================================================== */
@media print {
    .sidebar, .topbar, .btn, .notification-bell {
        display: none !important;
    }
    .main-content {
        margin-left: 0 !important;
        padding-top: 0 !important;
    }
    .card {
        break-inside: avoid;
    }
}