/*
 * Application Stylesheet & Design System
 * Uses CSS custom properties and logical properties for RTL/LTR layout support.
 */

:root {
    --sidebar-width: 260px;
    --sidebar-bg: #1a4731;
    --sidebar-hover: #245a3d;
    --accent-gold: #c59d5f;
    --primary-green: #198754;
    --navbar-height: 56px;
    --body-bg: #f5f6fa;
    --card-radius: 0.5rem;
    --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    --card-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.1);
    --font-sans: Tahoma, 'Segoe UI', Arial, sans-serif;
}

/* Color utilities */
.bg-dark-green {
    background-color: var(--sidebar-bg) !important;
}

/* Top fixed navbar */
.navbar.fixed-top {
    min-height: var(--navbar-height);
    z-index: 1030;
}

/* Base typography */
body {
    font-family: var(--font-sans);
    background-color: var(--body-bg);
}

/* Sidebar navigation */
.sidebar {
    position: fixed;
    top: var(--navbar-height);
    inset-inline-start: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--navbar-height));
    background: var(--sidebar-bg);
    padding-top: 0;
    z-index: 1020;
    overflow-y: auto;
    transition: all 0.3s ease;
}

.sidebar .brand {
    padding: 1.25rem 1rem;
    background: rgba(0, 0, 0, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar .brand h5 {
    color: var(--accent-gold);
    margin: 0;
    font-weight: bold;
    font-size: 1.1rem;
}

.sidebar .brand small {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 0.75rem 1.25rem;
    border-radius: 0;
    transition: all 0.2s ease;
    border-inline-start: 3px solid transparent;
}

.sidebar .nav-link:hover {
    color: #fff;
    background: var(--sidebar-hover);
    border-inline-start-color: var(--accent-gold);
}

.sidebar .nav-link.active {
    color: #fff;
    background: var(--sidebar-hover);
    border-inline-start-color: var(--accent-gold);
    font-weight: bold;
}

.sidebar .nav-link i {
    width: 24px;
    text-align: center;
    margin-inline-end: 8px;
    margin-inline-start: 0;
    font-size: 1.1rem;
}

.sidebar .sidebar-divider {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: 0.5rem 1rem;
}

/* Main content area */
.main-content {
    margin-inline-start: var(--sidebar-width);
    margin-inline-end: 0;
    padding-top: calc(var(--navbar-height) + 1.5rem);
    padding-inline: 2rem;
    padding-bottom: 2rem;
    min-height: 100vh;
}

/* Cards */
.card {
    border: none;
    box-shadow: var(--card-shadow);
    border-radius: var(--card-radius);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.card-header {
    border-radius: var(--card-radius) var(--card-radius) 0 0 !important;
    font-weight: bold;
}

/* Stat cards */
.stat-card {
    border-radius: 0.75rem;
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-card .display-6 {
    font-size: 2rem;
}

.stat-card-green  { background: linear-gradient(135deg, #198754, #157347); }
.stat-card-red    { background: linear-gradient(135deg, #dc3545, #bb2d3b); }
.stat-card-blue   { background: linear-gradient(135deg, #0d6efd, #0b5ed7); }
.stat-card-orange { background: linear-gradient(135deg, #fd7e14, #e76f08); }

.stat-card .stat-icon {
    font-size: 2.5rem;
    opacity: 0.3;
    color: #fff;
}

.text-white-75 {
    color: rgba(255, 255, 255, 0.75) !important;
}

/* Chart container */
.chart-container {
    position: relative;
    width: 100%;
    min-height: 280px;
}

/* Tables */
.table thead th {
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
}

.table tbody td {
    vertical-align: middle;
    font-size: 0.9rem;
}

.table-hover tbody tr:hover {
    background-color: rgba(25, 135, 84, 0.04);
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.4em 0.7em;
}

/* Buttons */
.btn-success {
    background-color: var(--primary-green);
    border-color: var(--primary-green);
}

/* Login page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--sidebar-bg) 0%, var(--primary-green) 100%);
}

.login-card {
    width: 100%;
    max-width: 420px;
    border-radius: 1rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.login-card .card-header {
    background: var(--sidebar-bg);
    color: var(--accent-gold);
    text-align: center;
    padding: 2rem;
    border-radius: 1rem 1rem 0 0 !important;
}

.login-card .card-header h3 {
    margin: 0;
    font-weight: bold;
}

.login-card .card-header p {
    margin: 0.5rem 0 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Alert animation */
.alert {
    animation: fadeIn 0.3s ease-in;
    white-space: pre-line;
}

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

/* Responsive layout (lg breakpoint: 992px) */
@media (max-width: 991.98px) {
    .sidebar {
        display: none !important;
    }

    .main-content {
        margin-inline-start: 0 !important;
        margin-right: 0 !important;
        margin-left: 0 !important;
        padding-top: calc(var(--navbar-height) + 1rem);
        padding-inline: 1rem;
        padding-bottom: 1rem;
    }

    html[dir="rtl"] .main-content {
        margin-right: 0 !important;
    }

    html[dir="ltr"] .main-content {
        margin-left: 0 !important;
    }
}

/* Print styles */
@media print {
    .sidebar,
    .navbar,
    .btn,
    .alert {
        display: none !important;
    }

    .main-content {
        margin-inline-start: 0 !important;
        margin-right: 0 !important;
        margin-left: 0 !important;
        padding: 0 !important;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* Explicit direction fallbacks */
html[dir="rtl"] .sidebar {
    right: 0;
    left: auto;
}

html[dir="rtl"] .main-content {
    margin-right: var(--sidebar-width);
    margin-left: 0;
}

html[dir="ltr"] .sidebar {
    right: auto;
    left: 0;
}

html[dir="ltr"] .sidebar .nav-link {
    border-right: none;
    border-left: 3px solid transparent;
}

html[dir="ltr"] .sidebar .nav-link:hover,
html[dir="ltr"] .sidebar .nav-link.active {
    border-left-color: var(--accent-gold);
}

html[dir="ltr"] .sidebar .nav-link i {
    margin-left: 0;
    margin-right: 8px;
}

html[dir="ltr"] .main-content {
    margin-right: 0;
    margin-left: var(--sidebar-width);
}