/* ===== Ski Patrol Swap - Stylesheet ===== */
:root {
    --clr-primary:   #c62828;
    --clr-primary-d: #8e0000;
    --clr-accent:    #ff6f00;
    --clr-bg:        #f5f5f5;
    --clr-card:      #ffffff;
    --clr-text:      #212121;
    --clr-muted:     #757575;
    --clr-border:    #e0e0e0;
    --clr-success:   #2e7d32;
    --clr-danger:    #c62828;
    --radius:        8px;
    --shadow:        0 2px 8px rgba(0,0,0,.08);
}

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

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

a { color: var(--clr-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 1rem; }

/* Header */
.site-header {
    background: var(--clr-primary);
    color: #fff;
    padding: .75rem 0;
    position: sticky; top: 0; z-index: 100;
    box-shadow: 0 2px 6px rgba(0,0,0,.15);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { color: #fff; font-size: 1.3rem; font-weight: 700; }
.logo:hover { text-decoration: none; }
.main-nav a { color: rgba(255,255,255,.85); margin-left: 1.25rem; font-size: .95rem; }
.main-nav a:hover { color: #fff; text-decoration: none; }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; }

/* Buttons */
.btn {
    display: inline-block; padding: .55rem 1.25rem; border-radius: var(--radius);
    font-weight: 600; font-size: .95rem; cursor: pointer; border: none; transition: .2s;
}
.btn-sm { padding: .35rem .85rem; font-size: .85rem; }
.btn-primary { background: var(--clr-primary); color: #fff; }
.btn-primary:hover { background: var(--clr-primary-d); text-decoration: none; }
.btn-accent { background: var(--clr-accent); color: #fff; }
.btn-accent:hover { background: #e65100; text-decoration: none; }
.btn-outline { background: transparent; border: 2px solid var(--clr-primary); color: var(--clr-primary); }
.btn-danger { background: var(--clr-danger); color: #fff; }
.btn-success { background: var(--clr-success); color: #fff; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: .3rem; }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%; padding: .6rem .75rem; border: 1px solid var(--clr-border);
    border-radius: var(--radius); font-size: 1rem; font-family: inherit;
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* Alert messages */
.alert { padding: .75rem 1rem; border-radius: var(--radius); margin-bottom: 1rem; }
.alert-danger  { background: #ffebee; color: var(--clr-danger); border: 1px solid #ef9a9a; }
.alert-success { background: #e8f5e9; color: var(--clr-success); border: 1px solid #a5d6a7; }

/* Cards */
.card {
    background: var(--clr-card); border-radius: var(--radius); box-shadow: var(--shadow);
    overflow: hidden; transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 4px 16px rgba(0,0,0,.12); }
.card img { width: 100%; height: 200px; object-fit: cover; }
.card-body { padding: 1rem; }
.card-body h3 { font-size: 1.05rem; margin-bottom: .3rem; }
.card-body .price { color: var(--clr-accent); font-weight: 700; font-size: 1.1rem; }
.card-body .meta { color: var(--clr-muted); font-size: .85rem; margin-top: .35rem; }

/* Item grid */
.item-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
    padding: 1.5rem 0;
}

/* Tags */
.tag {
    display: inline-block; padding: .2rem .65rem; background: #e3f2fd; color: #1565c0;
    border-radius: 50px; font-size: .8rem; font-weight: 600; margin: .15rem;
}
.tag:hover { background: #bbdefb; text-decoration: none; }
.tag-list { display: flex; flex-wrap: wrap; gap: .35rem; margin: .5rem 0; }

/* Tag checkboxes */
.tag-checkboxes { display: flex; flex-wrap: wrap; gap: .5rem; }
.tag-checkboxes label {
    display: inline-flex; align-items: center; gap: .3rem;
    padding: .25rem .6rem; background: #e3f2fd; border-radius: 50px;
    font-size: .85rem; cursor: pointer; transition: .15s;
}
.tag-checkboxes input:checked + span { color: #0d47a1; font-weight: 700; }

/* Page sections */
.page-header { padding: 1.5rem 0 .5rem; }
.page-header h1 { font-size: 1.8rem; }

/* Detail page */
.item-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; padding: 1.5rem 0; }
.item-detail img { width: 100%; border-radius: var(--radius); }
.item-detail .info h1 { font-size: 1.6rem; margin-bottom: .5rem; }
.item-detail .info .price { font-size: 1.4rem; }
.detail-table { width: 100%; margin: 1rem 0; }
.detail-table td { padding: .4rem 0; }
.detail-table td:first-child { font-weight: 600; width: 120px; color: var(--clr-muted); }

/* Dashboard */
.dash-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 1rem; margin: 1rem 0; }
.stat-card { background: var(--clr-card); padding: 1.25rem; border-radius: var(--radius); box-shadow: var(--shadow); text-align: center; }
.stat-card .num { font-size: 2rem; font-weight: 700; color: var(--clr-primary); }

/* Auth pages */
.auth-wrapper { max-width: 440px; margin: 3rem auto; }
.auth-wrapper .card-body { padding: 2rem; }

/* Filter bar */
.filter-bar { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; padding: 1rem 0; }
.filter-bar select, .filter-bar input[type="search"] {
    padding: .5rem .75rem; border: 1px solid var(--clr-border); border-radius: var(--radius); font-size: .95rem;
}

/* Badge */
.badge {
    display: inline-block; padding: .15rem .5rem; border-radius: 50px;
    font-size: .75rem; font-weight: 600; text-transform: uppercase;
}
.badge-available { background: #e8f5e9; color: var(--clr-success); }
.badge-reserved  { background: #fff3e0; color: #e65100; }
.badge-sold      { background: #ffebee; color: var(--clr-danger); }

/* Footer */
.site-footer { text-align: center; padding: 2rem 0; color: var(--clr-muted); font-size: .9rem; margin-top: 2rem; border-top: 1px solid var(--clr-border); }

/* Responsive */
@media (max-width: 768px) {
    .main-nav { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--clr-primary); padding: 1rem; }
    .main-nav.open { display: flex; }
    .main-nav a { margin: .5rem 0; }
    .nav-toggle { display: block; }
    .item-detail { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
}