/* ============================================
   ClassoraGen — Design System
   Premium, modern, dark-accented UI
   ============================================ */

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

/* ─── CSS Custom Properties ────────────────── */
:root {
    /* Primary Palette — Billpas Green */
    --primary: #1f9e8b;
    --primary-light: #3DBAA8;
    --primary-dark: #178272;
    --primary-50: #E5F5F2;
    --primary-100: #CCEBE5;
    --primary-200: #99D7CB;

    /* Secondary */
    --secondary: #24B09A;
    --secondary-light: #4DCBB8;
    --secondary-dark: #178272;

    /* Accent */
    --accent: #06B6D4;
    --accent-light: #67E8F9;

    /* Status Colors */
    --success: #10B981;
    --success-light: #D1FAE5;
    --success-dark: #059669;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --warning-dark: #D97706;
    --danger: #EF4444;
    --danger-light: #FEE2E2;
    --danger-dark: #DC2626;
    --info: #3B82F6;
    --info-light: #DBEAFE;

    /* Neutrals */
    --white: #FFFFFF;
    --gray-50: #F8F9FA;
    --gray-100: #F1F3F5;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    /* Sidebar — Light mode (white) */
    --sidebar-bg: #FFFFFF;
    --sidebar-hover: var(--gray-100);
    --sidebar-active: #1f9e8b;
    --sidebar-border: var(--gray-200);
    --sidebar-text: #5A6B6F;
    --sidebar-text-active: #FFFFFF;

    /* Legacy aliases */
    --dark-bg: #FFFFFF;
    --dark-surface: var(--gray-50);
    --dark-border: var(--gray-200);

    /* Layout */
    --sidebar-width: 250px;
    --sidebar-collapsed: 72px;
    --header-height: 60px;
    --border-radius: 10px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 20px rgba(45, 140, 126, 0.2);

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);

    /* Font */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

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

body {
    font-family: var(--font-family);
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    overflow-x: hidden;
}

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

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

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

.app-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: var(--transition);
}

.app-content.sidebar-collapsed {
    margin-left: var(--sidebar-collapsed);
}

.main-content {
    flex: 1;
    padding: 24px;
    margin-top: var(--header-height);
}

/* ─── Sidebar ──────────────────────────────── */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    border-right: 1px solid var(--sidebar-border);
    z-index: 1040;
    transition: var(--transition);
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--sidebar-border);
    border-radius: 2px;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

/* Sidebar Brand */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 20px;
    border-bottom: 1px solid var(--sidebar-border);
    min-height: var(--header-height);
    flex-shrink: 0;
}

.sidebar-brand .brand-logo {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--sidebar-active);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    color: white;
    flex-shrink: 0;
}

.sidebar-brand .brand-logo img {
    width: 100%;
    height: 100%;
    border-radius: 10px;
    object-fit: cover;
}

.sidebar-brand .brand-text {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-900);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-brand .brand-subtitle {
    font-size: 11px;
    color: var(--sidebar-text);
    white-space: nowrap;
}

.sidebar.collapsed .brand-text,
.sidebar.collapsed .brand-subtitle {
    display: none;
}

/* Sidebar Navigation */
.sidebar-nav {
    flex: 1;
    padding: 12px 0;
}

.nav-section {
    margin-bottom: 8px;
}

.nav-section-title {
    display: none;
}

.sidebar.collapsed .nav-section-title {
    text-align: center;
    padding: 8px;
    font-size: 0;
}

.sidebar.collapsed .nav-section-title::after {
    content: '•••';
    font-size: 10px;
}

.nav-item {
    display: block;
    margin: 2px 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    color: var(--sidebar-text);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
    font-size: 13.5px;
    font-weight: 500;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.nav-link:hover {
    color: var(--gray-900);
    background: var(--sidebar-hover);
}

.nav-link.active {
    color: var(--primary);
    background: var(--primary-50);
    font-weight: 600;
    box-shadow: none;
}

.nav-link .nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 16px;
}

.nav-link .nav-text {
    flex: 1;
}

.nav-link .nav-badge {
    background: var(--danger);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.sidebar.collapsed .nav-link .nav-text,
.sidebar.collapsed .nav-link .nav-badge {
    display: none;
}

.sidebar.collapsed .nav-link {
    justify-content: center;
    padding: 12px;
}

/* Sidebar Footer */
.sidebar-footer {
    border-top: 1px solid var(--sidebar-border);
    padding: 12px;
    flex-shrink: 0;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.sidebar-user:hover {
    background: var(--sidebar-hover);
}

.sidebar-user .user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--sidebar-active);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.sidebar-user .user-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 10px;
    object-fit: cover;
}

.sidebar-user .user-info {
    overflow: hidden;
}

.sidebar-user .user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-900);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user .user-role {
    font-size: 11px;
    color: var(--sidebar-text);
}

.sidebar.collapsed .sidebar-user .user-info {
    display: none;
}

/* ─── Header ───────────────────────────────── */
.app-header {
    position: fixed;
    top: 0;
    right: 0;
    left: var(--sidebar-width);
    height: var(--header-height);
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 1030;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.sidebar-collapsed .app-header {
    left: var(--sidebar-collapsed);
}

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

.sidebar-toggle {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--gray-100);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    color: var(--gray-600);
    font-size: 18px;
}

.sidebar-toggle:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

.page-title-header {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-icon-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    color: var(--gray-500);
    font-size: 18px;
    position: relative;
}

.header-icon-btn:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.header-icon-btn .badge-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    background: var(--danger);
    border-radius: 50%;
    border: 2px solid white;
}

/* Header User Dropdown */
.header-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    margin-left: 8px;
}

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

.header-user .avatar {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 13px;
}

.header-user .avatar img {
    width: 100%;
    height: 100%;
    border-radius: 10px;
    object-fit: cover;
}

.header-user .user-details {
    text-align: right;
}

.header-user .user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-800);
}

.header-user .user-role {
    font-size: 11px;
    color: var(--gray-400);
}

/* ─── Breadcrumb ───────────────────────────── */
.breadcrumb-wrapper {
    margin-bottom: 24px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
}

.breadcrumb-item {
    color: var(--gray-400);
}

.breadcrumb-item a {
    color: var(--gray-500);
}

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

.breadcrumb-item.active {
    color: var(--gray-700);
    font-weight: 500;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '›';
    margin-right: 8px;
    color: var(--gray-300);
}

/* ─── Cards ────────────────────────────────── */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

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

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-800);
    margin: 0;
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
}

/* Stat Cards */
.stat-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 20px;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

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

.stat-card:hover::before {
    opacity: 1;
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 12px;
}

.stat-card .stat-icon.primary { background: var(--primary-50); color: var(--primary); }
.stat-card .stat-icon.success { background: var(--success-light); color: var(--success); }
.stat-card .stat-icon.warning { background: var(--warning-light); color: var(--warning); }
.stat-card .stat-icon.danger { background: var(--danger-light); color: var(--danger); }
.stat-card .stat-icon.info { background: var(--info-light); color: var(--info); }

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 500;
}

.stat-card .stat-change {
    font-size: 12px;
    font-weight: 600;
    margin-top: 8px;
}

.stat-card .stat-change.up { color: var(--success); }
.stat-card .stat-change.down { color: var(--danger); }

/* Gradient Stat Cards */
.stat-card-gradient {
    border-radius: var(--border-radius);
    padding: 24px;
    color: white;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

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

.stat-card-gradient::after {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.stat-card-gradient.gradient-primary { background: linear-gradient(135deg, #4F46E5, #7C3AED); }
.stat-card-gradient.gradient-success { background: linear-gradient(135deg, #10B981, #059669); }
.stat-card-gradient.gradient-warning { background: linear-gradient(135deg, #F59E0B, #D97706); }
.stat-card-gradient.gradient-danger { background: linear-gradient(135deg, #EF4444, #DC2626); }
.stat-card-gradient.gradient-info { background: linear-gradient(135deg, #3B82F6, #1D4ED8); }
.stat-card-gradient.gradient-cyan { background: linear-gradient(135deg, #06B6D4, #0891B2); }

/* ─── Buttons ──────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 600;
    font-family: var(--font-family);
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.4;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 6px rgba(31, 158, 139, 0.25);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 10px rgba(31, 158, 139, 0.35);
    color: white;
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border-color: var(--gray-200);
}

.btn-secondary:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), var(--success-dark));
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), var(--danger-dark));
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), var(--warning-dark));
    color: white;
}

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

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

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 15px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--border-radius-sm);
}

.btn-icon.btn-sm {
    width: 30px;
    height: 30px;
}

/* ─── Forms ────────────────────────────────── */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-label .required {
    color: var(--danger);
    margin-left: 2px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    font-family: var(--font-family);
    color: var(--gray-800);
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.form-control::placeholder {
    color: var(--gray-400);
}

.form-control.is-invalid {
    border-color: var(--danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236B7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

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

.form-text {
    font-size: 12px;
    color: var(--gray-400);
    margin-top: 4px;
}

.invalid-feedback {
    font-size: 12px;
    color: var(--danger);
    margin-top: 4px;
}

/* Custom Checkbox */
.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.form-check-input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.form-check-label {
    font-size: 13px;
    color: var(--gray-700);
    cursor: pointer;
}

/* Password Toggle (eye icon) */
.password-wrapper {
    position: relative;
}

.password-wrapper .form-control {
    padding-right: 42px;
}

.password-toggle {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px;
    z-index: 5;
    font-size: 16px;
    line-height: 1;
    transition: var(--transition-fast);
}

.password-toggle:hover {
    color: var(--gray-700);
}

/* ─── Tables ───────────────────────────────── */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--border-radius);
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.data-table thead {
    background: var(--gray-50);
}

.data-table thead th {
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-500);
    border-bottom: 1px solid var(--gray-200);
    text-align: left;
    white-space: nowrap;
}

.data-table tbody td {
    padding: 12px 16px;
    font-size: 13px;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

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

.data-table tbody tr:hover {
    background: var(--primary-50);
}

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

/* ─── Badges ───────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 20px;
    white-space: nowrap;
}

.badge-primary { background: var(--primary-50); color: var(--primary); }
.badge-success { background: var(--success-light); color: var(--success-dark); }
.badge-warning { background: var(--warning-light); color: var(--warning-dark); }
.badge-danger { background: var(--danger-light); color: var(--danger-dark); }
.badge-info { background: var(--info-light); color: var(--info); }
.badge-secondary { background: var(--gray-100); color: var(--gray-600); }

/* ─── Alerts ───────────────────────────────── */
.alert {
    padding: 14px 20px;
    border-radius: var(--border-radius-sm);
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    border-left: 4px solid;
    animation: slideInDown 0.3s ease-out;
}

.alert-success {
    background: var(--success-light);
    color: var(--success-dark);
    border-left-color: var(--success);
}

.alert-error, .alert-danger {
    background: var(--danger-light);
    color: var(--danger-dark);
    border-left-color: var(--danger);
}

.alert-warning {
    background: var(--warning-light);
    color: var(--warning-dark);
    border-left-color: var(--warning);
}

.alert-info {
    background: var(--info-light);
    color: var(--info);
    border-left-color: var(--info);
}

.alert-close {
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    opacity: 0.6;
    font-size: 18px;
    color: inherit;
}

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

/* ─── Pagination ───────────────────────────── */
.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.pagination .page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-600);
    border: 1px solid var(--gray-200);
    transition: var(--transition-fast);
    text-decoration: none;
}

.pagination .page-link:hover {
    background: var(--primary-50);
    border-color: var(--primary);
    color: var(--primary);
}

.pagination .page-item.active .page-link {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.pagination .page-item.disabled .page-link {
    opacity: 0.5;
    pointer-events: none;
}

/* ─── Activity List ────────────────────────── */
.activity-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

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

.activity-avatar {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--primary-50);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

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

.activity-text {
    font-size: 13px;
    color: var(--gray-700);
}

.activity-time {
    font-size: 11px;
    color: var(--gray-400);
    margin-top: 2px;
}

/* ─── Empty State ──────────────────────────── */
.empty-state {
    text-align: center;
    padding: 48px 24px;
}

.empty-state .empty-icon {
    font-size: 48px;
    color: var(--gray-300);
    margin-bottom: 16px;
}

.empty-state .empty-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 8px;
}

.empty-state .empty-text {
    font-size: 13px;
    color: var(--gray-400);
    margin-bottom: 24px;
}

/* ─── Dropdown ─────────────────────────────── */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    min-width: 200px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: 1050;
    display: none;
    overflow: hidden;
    animation: fadeInDown 0.2s ease-out;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    font-size: 13px;
    color: var(--gray-700);
    transition: var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
}

.dropdown-item:hover {
    background: var(--gray-50);
    color: var(--primary);
}

.dropdown-divider {
    height: 1px;
    background: var(--gray-100);
    margin: 4px 0;
}

/* ─── Modal ────────────────────────────────── */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1060;
    display: none;
    animation: fadeIn 0.2s ease-out;
}

.modal-backdrop.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-dialog {
    background: white;
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: scaleIn 0.3s ease-out;
    margin: 20px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
}

.modal-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-900);
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--gray-100);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    color: var(--gray-500);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--gray-700);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* ─── Loading ──────────────────────────────── */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(2px);
}

/* ─── Animations ───────────────────────────── */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes slideInDown {
    from { opacity: 0; transform: translateY(-16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

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

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

/* ─── Utility Classes ──────────────────────── */
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-muted { color: var(--gray-400) !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }

.fw-500 { font-weight: 500 !important; }
.fw-600 { font-weight: 600 !important; }
.fw-700 { font-weight: 700 !important; }

.mt-0 { margin-top: 0 !important; }
.mt-2 { margin-top: 8px !important; }
.mt-3 { margin-top: 16px !important; }
.mt-4 { margin-top: 24px !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-2 { margin-bottom: 8px !important; }
.mb-3 { margin-bottom: 16px !important; }
.mb-4 { margin-bottom: 24px !important; }
.me-2 { margin-right: 8px !important; }
.ms-2 { margin-left: 8px !important; }

.p-3 { padding: 16px !important; }
.p-4 { padding: 24px !important; }
.px-3 { padding-left: 16px !important; padding-right: 16px !important; }

.d-flex { display: flex !important; }
.d-none { display: none !important; }
.align-items-center { align-items: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-end { justify-content: flex-end !important; }
.gap-2 { gap: 8px !important; }
.gap-3 { gap: 16px !important; }
.flex-1 { flex: 1 !important; }

.w-100 { width: 100% !important; }
.rounded { border-radius: var(--border-radius) !important; }

/* ─── Responsive ───────────────────────────── */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .app-content {
        margin-left: 0;
    }
    
    .app-header {
        left: 0;
    }
    
    .mobile-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1035;
        display: none;
    }
    
    .mobile-overlay.show {
        display: block;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: 16px;
    }
    
    .stat-card .stat-value {
        font-size: 22px;
    }
    
    .header-user .user-details {
        display: none;
    }
    
    .page-title-header {
        font-size: 15px;
    }
}

/* ─── Print Styles ─────────────────────────── */
@media print {
    .sidebar,
    .app-header,
    .breadcrumb-wrapper,
    .btn,
    .no-print {
        display: none !important;
    }
    
    .app-content {
        margin-left: 0;
    }
    
    .main-content {
        margin-top: 0;
        padding: 0;
    }
    
    .card {
        border: none;
        box-shadow: none;
    }
}

/* ─── Theme Toggle Button ──────────────────── */
.theme-toggle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--gray-200);
    background: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--gray-600);
    transition: var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.theme-toggle .bi-moon-fill { display: inline; }
.theme-toggle .bi-sun-fill { display: none; }

/* ─── Dark Theme ───────────────────────────── */
[data-theme="dark"] {
    --white: #1A1D23;
    --gray-50: #1E2128;
    --gray-100: #24272E;
    --gray-200: #2E3239;
    --gray-300: #3A3F47;
    --gray-400: #6B7280;
    --gray-500: #9CA3AF;
    --gray-600: #D1D5DB;
    --gray-700: #E5E7EB;
    --gray-800: #F3F4F6;
    --gray-900: #F9FAFB;

    --primary-50: #1A2E2A;
    --primary-100: #1E3D36;

    --success-light: #1A2E23;
    --warning-light: #2E2A1A;
    --danger-light: #2E1A1A;
    --info-light: #1A222E;

    /* Sidebar → dark teal in dark mode */
    --sidebar-bg: #253B3F;
    --sidebar-hover: rgba(255, 255, 255, 0.08);
    --sidebar-border: rgba(255, 255, 255, 0.06);
    --sidebar-text: #9FB3B0;
    --dark-bg: #253B3F;
    --dark-surface: #2D464B;
    --dark-border: rgba(255, 255, 255, 0.06);
}

/* Dark mode sidebar text colors */
[data-theme="dark"] .sidebar-brand .brand-text,
[data-theme="dark"] .sidebar-user .user-name {
    color: #FFFFFF;
}

[data-theme="dark"] .nav-link:hover {
    color: #FFFFFF;
}

[data-theme="dark"] .nav-link.active {
    color: #FFFFFF;
    background: var(--sidebar-active);
}

[data-theme="dark"] body {
    background-color: #1E2128;
    color: #E5E7EB;
}

[data-theme="dark"] .app-header {
    background: #1A1D23;
    border-bottom-color: #2E3239;
}

[data-theme="dark"] .card {
    background: #1A1D23;
    border-color: #2E3239;
}

[data-theme="dark"] .card-header {
    background: #1E2128;
    border-bottom-color: #2E3239;
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] select.form-control {
    background: #24272E;
    border-color: #3A3F47;
    color: #E5E7EB;
}

[data-theme="dark"] .form-control::placeholder {
    color: #6B7280;
}

[data-theme="dark"] .table th {
    background: #1E2128;
    color: #D1D5DB;
    border-color: #2E3239;
}

[data-theme="dark"] .table td {
    border-color: #2E3239;
    color: #D1D5DB;
}

[data-theme="dark"] .table tr:hover td {
    background: #24272E;
}

[data-theme="dark"] .dropdown-menu {
    background: #1E2128;
    border-color: #2E3239;
}

[data-theme="dark"] .dropdown-item {
    color: #D1D5DB;
}

[data-theme="dark"] .dropdown-item:hover {
    background: #24272E;
}

[data-theme="dark"] .breadcrumb-wrapper {
    background: #1A1D23;
    border-bottom-color: #2E3239;
}

[data-theme="dark"] .breadcrumb-item a {
    color: #9CA3AF;
}

[data-theme="dark"] .stat-card {
    background: #1A1D23;
    border-color: #2E3239;
}

[data-theme="dark"] .empty-state {
    color: #6B7280;
}

[data-theme="dark"] .page-title-header {
    color: #F3F4F6;
}

[data-theme="dark"] .sidebar-toggle {
    color: #D1D5DB;
    border-color: #3A3F47;
}

[data-theme="dark"] .header-icon-btn {
    color: #9CA3AF;
}

[data-theme="dark"] .header-icon-btn:hover {
    background: #24272E;
    color: #E5E7EB;
}

[data-theme="dark"] .header-user {
    color: #D1D5DB;
}

[data-theme="dark"] .header-user .user-name {
    color: #F3F4F6;
}

[data-theme="dark"] .header-user .user-role {
    color: #9CA3AF;
}

[data-theme="dark"] .avatar {
    border-color: #3A3F47;
}

[data-theme="dark"] .theme-toggle {
    border-color: #3A3F47;
    background: #24272E;
    color: #F59E0B;
}

[data-theme="dark"] .theme-toggle:hover {
    background: #2E3239;
}

[data-theme="dark"] .theme-toggle .bi-moon-fill { display: none; }
[data-theme="dark"] .theme-toggle .bi-sun-fill { display: inline; }

[data-theme="dark"] .badge {
    opacity: 0.9;
}

[data-theme="dark"] .form-text {
    color: #6B7280;
}

[data-theme="dark"] .modal-overlay {
    background: rgba(0, 0, 0, 0.7);
}

[data-theme="dark"] .modal-content {
    background: #1A1D23;
    border-color: #2E3239;
}

/* Sidebar footer branding */
.sidebar-powered {
    padding: 8px 20px 12px;
    font-size: 11px;
    color: var(--sidebar-text);
    opacity: 0.5;
}

.sidebar-powered a {
    color: var(--primary-light);
    font-weight: 600;
}