/* HostelHub Pro - Professional Styles */

:root {
    --primary: #1e3a5f;
    --primary-light: #2d5a8e;
    --primary-dark: #0f2744;
    --accent: #e8a838;
    --accent-hover: #d4952f;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --sidebar-width: 260px;
    --sidebar-bg: #0f2744;
    --sidebar-hover: #1e3a5f;
    --body-bg: #f0f2f5;
    --card-shadow: 0 2px 12px rgba(0,0,0,0.08);
    --transition: all 0.3s ease;
}

* { box-sizing: border-box; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--body-bg);
    color: #334155;
    line-height: 1.6;
}

.landing-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
}

.landing-nav {
    background: rgba(15, 39, 68, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.landing-nav .navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff !important;
}

.landing-nav .navbar-brand span { color: var(--accent); }

.landing-nav .nav-link {
    color: rgba(255,255,255,0.85) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: var(--transition);
}

.landing-nav .nav-link:hover { color: var(--accent) !important; }

.hero-section {
    padding: 140px 0 80px;
    color: #fff;
    text-align: center;
}

.hero-section h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-section .lead {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 2rem;
}

.hero-buttons .btn {
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 8px;
    margin: 0.5rem;
}

.btn-accent {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.btn-accent:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #fff;
}

.features-section { padding: 80px 0; background: #fff; }

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.section-subtitle { color: #64748b; margin-bottom: 3rem; }

.feature-card {
    background: #fff;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--card-shadow);
    border: 1px solid #e2e8f0;
    transition: var(--transition);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.75rem;
    color: #fff;
}

.stats-section {
    padding: 60px 0;
    background: var(--primary-dark);
    color: #fff;
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
}

.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: #fff;
    text-align: center;
}

.landing-footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.7);
    padding: 2rem 0;
    text-align: center;
}

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    padding: 2rem;
}

.auth-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    overflow: hidden;
    max-width: 450px;
    width: 100%;
}

.auth-card-header {
    background: var(--primary-dark);
    color: #fff;
    padding: 2rem;
    text-align: center;
}

.auth-card-body { padding: 2rem; }

.dashboard-wrapper { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.sidebar-brand {
    color: #fff;
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
}

.sidebar-brand span { color: var(--accent); }

.sidebar-user {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
}

.sidebar-user strong { color: #fff; display: block; }

.sidebar-nav { padding: 1rem 0; }

.sidebar-nav .nav-section {
    padding: 0.5rem 1.5rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.4);
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    padding: 0.65rem 1.5rem;
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.sidebar-nav .nav-link i { width: 24px; margin-right: 0.75rem; }

.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link.active {
    background: var(--sidebar-hover);
    color: #fff;
    border-left-color: var(--accent);
}

.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
}

.top-bar {
    background: #fff;
    padding: 1rem 2rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.top-bar h4 { margin: 0; color: var(--primary-dark); font-weight: 600; }

.page-content { padding: 2rem; }

.stat-card {
    background: #fff;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    border: 1px solid #e2e8f0;
    height: 100%;
}

.stat-card .stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #fff;
}

.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.bg-stat-primary { background: linear-gradient(135deg, var(--primary), var(--primary-light)); }
.bg-stat-success { background: linear-gradient(135deg, #059669, #10b981); }
.bg-stat-warning { background: linear-gradient(135deg, #d97706, #f59e0b); }
.bg-stat-danger  { background: linear-gradient(135deg, #dc2626, #ef4444); }
.bg-stat-info    { background: linear-gradient(135deg, #2563eb, #3b82f6); }
.bg-stat-accent  { background: linear-gradient(135deg, #b8860b, var(--accent)); }

.content-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    border: 1px solid #e2e8f0;
    margin-bottom: 1.5rem;
}

.content-card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.content-card-header h5 { margin: 0; font-weight: 600; color: var(--primary-dark); }

.content-card-body { padding: 1.5rem; }

.table thead th {
    background: #f8fafc;
    color: var(--primary-dark);
    font-weight: 600;
    border-bottom: 2px solid #e2e8f0;
}

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

.modal-header { background: var(--primary-dark); color: #fff; }
.modal-header .btn-close { filter: invert(1); }

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-dark);
}

@media (max-width: 991px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.show { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .sidebar-toggle { display: block; }
    .hero-section h1 { font-size: 2rem; }
}

@media print {
    .sidebar, .top-bar { display: none !important; }
    .main-content { margin-left: 0 !important; }
}

.detail-row {
    display: flex;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f1f5f9;
}

.detail-label { font-weight: 600; color: #475569; width: 180px; flex-shrink: 0; }

.report-card { cursor: pointer; transition: var(--transition); }
.report-card:hover { transform: translateY(-3px); }