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

:root {
    --font-family: 'Inter', sans-serif;
    
    /* Professional Flat Light Theme */
    --bg-primary: #f5f6fa;
    --bg-sidebar: #1e293b;
    --bg-card: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --primary-color: #2563eb;
    --primary-rgb: 37, 99, 235;
    --secondary-color: #475569;
    --secondary-rgb: 71, 85, 105;
    
    --accent-success: #16a34a;
    --accent-warning: #d97706;
    --accent-danger: #dc2626;
    --accent-info: #0891b2;
    
    --sidebar-width: 260px;
    --header-height: 64px;
    --card-shadow: none;
    --transition-speed: 0.25s;
}

[data-bs-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-sidebar: #1e293b;
    --bg-card: #1e293b;
    --border-color: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --primary-color: #60a5fa;
    --primary-rgb: 96, 165, 250;
    --secondary-color: #94a3b8;
    
    --card-shadow: none;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* Flat Card Style */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: border-color var(--transition-speed) ease;
}

.glass-card:hover {
    border-color: var(--primary-color);
}

.glass-panel {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

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

/* Sidebar Styling - Dark professional sidebar */
.app-sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 1030;
    transition: width var(--transition-speed) ease, transform var(--transition-speed) ease;
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.3px;
}

.sidebar-menu {
    padding: 12px 8px;
    height: calc(100vh - var(--header-height));
    overflow-y: auto;
}

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

.sidebar-menu::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.sidebar-title {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    padding: 12px 12px 6px;
    letter-spacing: 0.8px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    border-radius: 6px;
    margin-bottom: 2px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.15s ease;
}

.sidebar-link i {
    width: 18px;
    font-size: 0.95rem;
    margin-right: 10px;
    text-align: center;
}

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

.sidebar-link.active {
    color: #ffffff;
    background-color: var(--primary-color);
    font-weight: 600;
}

/* Header Navbar Styling */
.app-header {
    height: var(--header-height);
    margin-left: var(--sidebar-width);
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1020;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    transition: margin-left var(--transition-speed);
}

.header-search {
    width: 280px;
    position: relative;
}

.header-search input {
    padding-left: 36px;
    border-radius: 6px;
    font-size: 0.85rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
}

.header-search i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

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

/* Main Content Area */
.app-main {
    flex-grow: 1;
    margin-left: var(--sidebar-width);
    padding: calc(var(--header-height) + 20px) 24px 24px 24px;
    min-height: 100vh;
    transition: margin-left var(--transition-speed);
}

/* Dropdowns & Badges */
.dropdown-menu {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Statistics Mini-Cards */
.stat-card {
    position: relative;
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #ffffff;
}

/* Animation utilities */
.fade-in-up {
    animation: fadeInUp 0.3s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Tables custom styling */
.custom-table {
    border-collapse: collapse;
}

.custom-table th {
    padding: 10px 14px;
    vertical-align: middle;
    border-bottom: 2px solid var(--border-color);
}

.custom-table td {
    padding: 10px 14px;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
}

.custom-table tbody tr:hover {
    background-color: rgba(var(--primary-rgb), 0.04);
}

/* Form Styling */
.form-control, .form-select {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 0.875rem;
}

.form-control:focus, .form-select:focus {
    background-color: var(--bg-card);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(var(--primary-rgb), 0.12);
    color: var(--text-primary);
}

/* Dark theme form overrides — lighter inputs with visible text */
[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background-color: #1e293b;
    border-color: #475569;
    color: #f1f5f9;
}

[data-bs-theme="dark"] .form-control:focus,
[data-bs-theme="dark"] .form-select:focus {
    background-color: #233044;
    border-color: var(--primary-color);
    color: #f1f5f9;
}

[data-bs-theme="dark"] .form-control::placeholder {
    color: #94a3b8;
}

[data-bs-theme="dark"] textarea.form-control {
    background-color: #1e293b;
    color: #f1f5f9;
}

/* Buttons */
.btn {
    border-radius: 6px;
    font-weight: 500;
}

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

.btn-primary:hover {
    background-color: rgba(var(--primary-rgb), 0.85);
    border-color: transparent;
}

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

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

/* Mobile Responsiveness Toggle */
@media (max-width: 991.98px) {
    .app-sidebar {
        transform: translateX(-100%);
    }
    .app-sidebar.show {
        transform: translateX(0);
    }
    .app-header {
        margin-left: 0;
        padding: 0 15px;
    }
    .app-main {
        margin-left: 0;
        padding: calc(var(--header-height) + 16px) 16px 16px 16px;
    }
}

/* Sidebar Category & Accordion Styling */
.sidebar-category {
    margin-bottom: 4px;
}

.sidebar-category-trigger {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 8px 12px;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.85rem;
    font-weight: 500;
    text-align: left;
    border-radius: 6px;
    transition: all 0.15s ease;
    gap: 10px;
}

.sidebar-category-trigger i:first-child {
    width: 18px;
    font-size: 0.95rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.65);
}

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

.sidebar-category-trigger:hover i:first-child {
    color: #ffffff;
}

.sidebar-category-trigger .arrow-icon {
    font-size: 0.7rem;
    transition: transform var(--transition-speed) ease;
    margin-left: auto;
    color: rgba(255, 255, 255, 0.4);
}

.sidebar-category-trigger:not(.collapsed) .arrow-icon {
    transform: rotate(90deg);
}

.sidebar-submenu-items {
    padding-left: 8px;
    margin-top: 2px;
    display: flex;
    flex-direction: column;
}

.sidebar-submenu-items .sidebar-link {
    font-size: 0.8rem;
    padding: 6px 10px;
    color: rgba(255, 255, 255, 0.5);
}

.sidebar-submenu-items .sidebar-link:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.06);
}

.sidebar-submenu-items .sidebar-link.active {
    color: #ffffff;
    background-color: var(--primary-color);
}

/* Sidebar Collapse on Desktop */
@media (min-width: 992px) {
    :root {
        --sidebar-width-collapsed: 60px;
    }

    .app-sidebar,
    .app-header,
    .app-main {
        transition: width var(--transition-speed) ease, margin-left var(--transition-speed) ease, padding var(--transition-speed) ease;
    }

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

    .sidebar-collapsed .sidebar-brand {
        display: none;
    }

    .sidebar-collapsed .sidebar-header {
        justify-content: center !important;
        padding: 0;
    }

    .sidebar-collapsed .sidebar-link {
        justify-content: center;
        padding: 10px 0;
        margin: 2px 6px;
    }

    .sidebar-collapsed .sidebar-link i {
        margin-right: 0;
        font-size: 1.1rem;
    }

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

    .sidebar-collapsed .sidebar-title {
        text-align: center;
        font-size: 0.55rem;
        padding: 8px 0;
        letter-spacing: 0.3px;
    }

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

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

    .sidebar-collapsed .sidebar-category {
        position: relative;
    }

    .sidebar-collapsed .sidebar-category-trigger {
        justify-content: center;
        padding: 10px 0;
        margin: 2px 6px;
        width: auto;
    }

    .sidebar-collapsed .sidebar-category-trigger i:first-child {
        margin-right: 0;
        font-size: 1.1rem;
    }

    .sidebar-collapsed .sidebar-category-trigger .link-text,
    .sidebar-collapsed .sidebar-category-trigger .arrow-icon {
        display: none !important;
    }

    .sidebar-collapsed .sidebar-category .collapse {
        display: none !important;
    }

    .sidebar-collapsed .sidebar-category:hover .collapse {
        display: block !important;
        position: absolute;
        left: 100%;
        top: 0;
        background-color: var(--bg-sidebar);
        border: 1px solid var(--border-color);
        border-radius: 6px;
        width: 210px;
        z-index: 1050;
        border-color: rgba(255, 255, 255, 0.1);
        padding: 6px;
        margin-left: 4px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        animation: fadeInUp 0.2s ease forwards;
    }

    .sidebar-collapsed .sidebar-category:hover .sidebar-submenu-items {
        padding-left: 0;
        margin-top: 0;
        border-left: none;
        margin-left: 0;
    }

    .sidebar-collapsed .sidebar-category:hover .sidebar-submenu-items .sidebar-link {
        justify-content: flex-start;
        padding: 6px 10px;
        margin: 1px 0;
    }

    .sidebar-collapsed .sidebar-category:hover .sidebar-submenu-items .sidebar-link i {
        margin-right: 8px;
        font-size: 0.85rem;
    }

    .sidebar-collapsed .sidebar-category:hover .sidebar-submenu-items .sidebar-link .link-text {
        display: inline !important;
    }
}

/* Theme Dot helper for selector */
.theme-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Custom Color Theme Presets */
[data-app-theme="indigo-light"] {
    --primary-color: #6366f1;
    --primary-rgb: 99, 102, 241;
}

[data-app-theme="indigo-dark"] {
    --primary-color: #818cf8;
    --primary-rgb: 129, 140, 248;
}

[data-app-theme="emerald-light"] {
    --primary-color: #059669;
    --primary-rgb: 5, 150, 105;
}

[data-app-theme="emerald-dark"] {
    --primary-color: #34d399;
    --primary-rgb: 52, 211, 153;
}

[data-app-theme="purple-light"] {
    --primary-color: #7c3aed;
    --primary-rgb: 124, 58, 237;
}

[data-app-theme="purple-dark"] {
    --primary-color: #a78bfa;
    --primary-rgb: 167, 139, 250;
}

/* Badge refinements */
.badge {
    border-radius: 4px;
    font-weight: 500;
    padding: 4px 8px;
}

/* Table refinements */
.table {
    font-size: 0.85rem;
}

/* Nav tabs refinement */
.nav-tabs .nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: 6px 6px 0 0;
}

.nav-tabs .nav-link.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    background: transparent;
}

/* ================= THEME ADAPTATION OVERRIDES ================= */
/* 1. Override Bootstrap text-light to adapt to the active theme */
.glass-card .text-light,
.glass-card h4.text-light,
.glass-card h5.text-light,
.glass-card h6.text-light,
.glass-card th.text-light,
.glass-card td.text-light,
.glass-card tr.text-light,
.glass-card .fw-bold.text-light {
    color: var(--text-primary) !important;
}

/* 2. Override bg-dark on form controls to be light/readable in light theme and dark in dark theme */
.form-control.bg-dark,
.form-select.bg-dark,
.form-control-sm.bg-dark,
.form-select-sm.bg-dark {
    background-color: #f8fafc !important;
    border-color: #cbd5e1 !important;
    color: #0f172a !important;
}

.form-control.bg-dark::placeholder,
.form-select.bg-dark::placeholder {
    color: #94a3b8 !important;
}

/* Dark mode overrides for bg-dark form controls */
[data-bs-theme="dark"] .form-control.bg-dark,
[data-bs-theme="dark"] .form-select.bg-dark,
[data-bs-theme="dark"] .form-control-sm.bg-dark,
[data-bs-theme="dark"] .form-select-sm.bg-dark {
    background-color: #0f172a !important;
    border-color: #334155 !important;
    color: #f8fafc !important;
}

[data-bs-theme="dark"] .form-control.bg-dark::placeholder {
    color: #475569 !important;
}

/* 3. Override bg-dark on collapse cards to match active theme */
.card.bg-dark {
    background-color: #f8fafc !important;
    border-color: #cbd5e1 !important;
    color: #0f172a !important;
}

[data-bs-theme="dark"] .card.bg-dark {
    background-color: #0f172a !important;
    border-color: #334155 !important;
    color: #f8fafc !important;
}