/* Storefront — user-facing UI */
:root {
    --sf-bg: #f4f6f9;
    --sf-surface: #ffffff;
    --sf-ink: #1c2333;
    --sf-muted: #5c6578;
    --sf-border: #e2e6ef;
    --sf-brand: #c45c26;
    --sf-brand-hover: #a34a1c;
    --sf-brand-soft: rgba(196, 92, 38, 0.12);
    --sf-accent: #0f766e;
    --sf-radius: 14px;
    --sf-radius-sm: 10px;
    --sf-shadow: 0 4px 24px rgba(28, 35, 51, 0.08);
    --sf-shadow-hover: 0 12px 40px rgba(28, 35, 51, 0.12);
    --sf-nav-h: 64px;
}

body.sf-body {
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    background: var(--sf-bg);
    color: var(--sf-ink);
    min-height: 100vh;
    padding-top: var(--sf-nav-h);
}

.sf-navbar {
    min-height: var(--sf-nav-h);
    background: var(--sf-surface) !important;
    border-bottom: 1px solid var(--sf-border);
    box-shadow: 0 1px 0 rgba(28, 35, 51, 0.04);
}

.sf-navbar .navbar-brand {
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -0.02em;
    color: var(--sf-ink) !important;
}

.sf-navbar .navbar-brand .brand-mark {
    color: var(--sf-brand);
}

.sf-navbar .nav-link {
    font-weight: 500;
    color: var(--sf-muted) !important;
    padding: 0.5rem 0.85rem !important;
    border-radius: 8px;
}

.sf-navbar .nav-link:hover,
.sf-navbar .nav-link:focus {
    color: var(--sf-ink) !important;
    background: var(--sf-bg);
}

.sf-navbar .nav-link.active {
    color: var(--sf-brand) !important;
    background: var(--sf-brand-soft);
}

.sf-btn-brand {
    background: var(--sf-brand);
    border: none;
    color: #fff;
    font-weight: 600;
    border-radius: var(--sf-radius-sm);
    padding: 0.5rem 1.1rem;
}

.sf-btn-brand:hover {
    background: var(--sf-brand-hover);
    color: #fff;
}

.sf-btn-outline-brand {
    color: var(--sf-brand);
    border-color: var(--sf-brand);
    font-weight: 600;
    border-radius: var(--sf-radius-sm);
}

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

.sf-page {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.sf-page-header {
    margin-bottom: 1.75rem;
}

.sf-page-title {
    font-weight: 800;
    letter-spacing: -0.03em;
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 0.35rem;
}

.sf-page-lead {
    color: var(--sf-muted);
    font-size: 1.05rem;
    max-width: 42rem;
}

.sf-breadcrumb {
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.sf-breadcrumb a {
    color: var(--sf-muted);
    text-decoration: none;
}

.sf-breadcrumb a:hover {
    color: var(--sf-brand);
}

.sf-breadcrumb .sep {
    color: var(--sf-border);
    margin: 0 0.35rem;
}

.sf-card {
    background: var(--sf-surface);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow);
}

.sf-card-hover {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sf-card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--sf-shadow-hover);
}

.sf-sidebar {
    position: sticky;
    top: calc(var(--sf-nav-h) + 1rem);
}

.sf-sidebar .list-group-item {
    border: 1px solid var(--sf-border);
    color: var(--sf-muted);
    font-weight: 500;
    padding: 0.65rem 1rem;
}

.sf-sidebar .list-group-item.active {
    background: var(--sf-brand-soft);
    color: var(--sf-brand);
    border-color: rgba(196, 92, 38, 0.35);
    font-weight: 600;
}

.sf-sidebar .list-group-item:hover:not(.active) {
    background: var(--sf-bg);
    color: var(--sf-ink);
}

.sf-footer {
    background: var(--sf-ink);
    color: #9aa3b5;
    margin-top: auto;
}

.sf-footer a {
    color: #c8ced9;
    text-decoration: none;
}

.sf-footer a:hover {
    color: #fff;
}

.sf-stat {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--sf-muted);
    font-weight: 600;
}

.sf-badge-soft {
    background: var(--sf-brand-soft);
    color: var(--sf-brand);
    font-weight: 600;
}

.sf-empty {
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--sf-muted);
}

.sf-empty .bi {
    font-size: 3.5rem;
    opacity: 0.35;
}

.sf-table thead th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--sf-muted);
    font-weight: 700;
    border-bottom-width: 1px;
}

.sf-hero {
    background: linear-gradient(135deg, #1c2333 0%, #2d3a52 55%, #1c2333 100%);
    color: #fff;
    border-radius: 0 0 32px 32px;
    position: relative;
    overflow: hidden;
}

.sf-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.sf-hero .container {
    position: relative;
    z-index: 1;
}

.sf-filter-sticky {
    position: sticky;
    top: calc(var(--sf-nav-h) + 1rem);
}

.form-control:focus,
.form-select:focus {
    border-color: rgba(196, 92, 38, 0.45);
    box-shadow: 0 0 0 0.2rem var(--sf-brand-soft);
}

.alert {
    border-radius: var(--sf-radius-sm);
    border: none;
}

.sf-preserve-lines {
    white-space: pre-line;
}

main.sf-main {
    min-height: calc(100vh - var(--sf-nav-h) - 120px);
}