/* KasiTrade Custom Styles */
/* Mobile-first, low-data, high-contrast design */

:root {
    --kasitrade-primary: #1B5E20;
    --kasitrade-secondary: #FF6F00;
    --kasitrade-accent: #FFD600;
    --kasitrade-dark: #212121;
    --kasitrade-light: #F5F5F5;
    --success: #2E7D32;
    --warning: #F9A825;
    --danger: #C62828;
    --info: #0277BD;
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --touch-target-min: 44px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.1);
    --shadow-md: 0 2px 4px rgba(0,0,0,0.15);
    --shadow-lg: 0 4px 8px rgba(0,0,0,0.2);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--kasitrade-dark);
    background-color: var(--kasitrade-light);
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main { flex: 1; }

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--kasitrade-primary);
    color: white;
    padding: 8px;
    z-index: 10000;
}
.skip-link:focus { top: 0; }

/* Buttons */
.btn-kasitrade {
    background-color: var(--kasitrade-primary);
    border-color: var(--kasitrade-primary);
    color: white;
    font-weight: 600;
    min-height: var(--touch-target-min);
    padding: 0.75rem 1.5rem;
    transition: all 0.2s ease;
}

.btn-kasitrade:hover, .btn-kasitrade:focus {
    background-color: #2E7D32;
    border-color: #2E7D32;
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline-kasitrade {
    border-color: var(--kasitrade-primary);
    color: var(--kasitrade-primary);
    min-height: var(--touch-target-min);
}

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

/* Navigation */
.bg-kasitrade { background-color: var(--kasitrade-primary) !important; }

.navbar-kasitrade { padding: 0.75rem 0; box-shadow: var(--shadow-sm); }
.navbar-kasitrade .navbar-brand { font-weight: 700; font-size: 1.25rem; }
.navbar-kasitrade .nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    transition: background-color 0.2s;
}
.navbar-kasitrade .nav-link:hover { background-color: rgb(128, 128, 128); }

/* Listing Cards */
.listing-card {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

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

.listing-card .card-img-top { transition: transform 0.3s; }
.listing-card:hover .card-img-top { transform: scale(1.05); }

.listing-card .card-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--kasitrade-dark);
}

.text-kasitrade { color: var(--kasitrade-primary); font-weight: 700; }

/* Category Cards */
.category-card {
    border: 2px solid transparent;
    transition: all 0.2s;
    cursor: pointer;
}

.category-card:hover {
    border-color: var(--kasitrade-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Hero Section */
.hero-section { background: linear-gradient(135deg, #1B5E20 0%, #2E7D32 100%); }

/* Forms */
.form-control:focus, .form-select:focus {
    border-color: var(--kasitrade-primary);
    box-shadow: 0 0 0 0.2rem rgba(27, 94, 32, 0.25);
}

.form-control-lg { font-size: 1.1rem; min-height: var(--touch-target-min); }

/* Admin Layout */
.admin-layout { display: flex; min-height: 100vh; }

.admin-sidebar {
    width: 250px;
    min-height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    overflow-y: auto;
}

.admin-sidebar .nav-link {
    color: rgba(255,255,255,0.8);
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    margin-bottom: 0.25rem;
}

.admin-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active {
    color: white;
    background-color: rgba(255,255,255,0.1);
}

.admin-main {
    margin-left: 250px;
    flex: 1;
    min-height: 100vh;
}

/* Tables */
.table thead th {
    background-color: var(--kasitrade-primary);
    color: white;
    font-weight: 600;
    border: none;
    padding: 1rem;
}

.table tbody td { padding: 1rem; vertical-align: middle; }

/* Loading */
.loading-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 4px;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Accessibility */
:focus-visible {
    outline: 3px solid var(--kasitrade-accent);
    outline-offset: 2px;
}

/* Print */
@media print {
    .navbar, .btn, .filter-bar, .pagination { display: none !important; }
    .listing-card { break-inside: avoid; border: 1px solid #ddd; }
}