:root {
    --bg: #f6efe7;
    --panel: rgba(255, 250, 243, 0.88);
    --text: #27211d;
    --muted: #7a6f67;
    --primary: #ff7a45;
    --primary-deep: #db5c2a;
    --secondary: #0d7c86;
    --warn: #d95f5f;
    --line: rgba(76, 55, 40, 0.12);
    --shadow: 0 18px 40px rgba(86, 58, 37, 0.12);
    --radius: 24px;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(255, 148, 103, 0.25), transparent 28%),
        radial-gradient(circle at top right, rgba(13, 124, 134, 0.18), transparent 24%),
        linear-gradient(180deg, #fff8ef 0%, #f4ebe2 45%, #f7f1ec 100%);
    min-height: 100vh;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
form { margin: 0; }
.page-shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 24px 0 56px; }
.hero {
    background: linear-gradient(135deg, rgba(255,255,255,0.82), rgba(255,244,230,0.96));
    border: 1px solid rgba(255,255,255,0.85);
    border-radius: 36px;
    box-shadow: var(--shadow);
    padding: 28px;
    overflow: hidden;
    position: relative;
}
.hero::after {
    content: "";
    position: absolute;
    right: -80px;
    top: -80px;
    width: 240px;
    height: 240px;
    background: radial-gradient(circle, rgba(255,122,69,0.3), rgba(255,122,69,0));
    pointer-events: none;
}
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; position: relative; z-index: 1; }
.topbar.compact { margin-bottom: 24px; }
.brand { font-size: 28px; font-weight: 800; letter-spacing: 0.04em; }
.topbar-links { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.topbar-links a { color: var(--muted); }
.hero-content { margin-top: 42px; display: grid; grid-template-columns: minmax(0, 1.8fr) minmax(280px, 0.8fr); gap: 24px; align-items: end; }
.eyebrow { margin: 0 0 10px; color: var(--primary-deep); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; font-size: 13px; }
h1 { margin: 0; font-size: clamp(32px, 5vw, 56px); line-height: 1.08; }
h2 { margin-top: 0; }
.hero-text, .card-desc, .detail-text, .message p, .empty-state p, .info-grid span, .card-footer p, .card-footer span, td, th {
    color: var(--muted);
}
.hero-card, .search-panel, .card, .detail-card, .form-card, .admin-card {
    background: var(--panel);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.72);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
}
.hero-card { padding: 22px; display: flex; flex-direction: column; gap: 10px; }
.hero-card p, .hero-card span { margin: 0; color: var(--muted); }
.hero-card strong { font-size: 24px; }
.content, .detail-layout, .form-layout { margin-top: 26px; }
.message { border-radius: 18px; padding: 14px 18px; margin-bottom: 18px; font-weight: 600; }
.message.success { background: rgba(32,164,111,0.12); color: #1f7a55; }
.message.error { background: rgba(217,95,95,0.1); color: #a34545; }
.search-panel { padding: 18px; }
.search-form, .action-row, .pill-row, .card-meta { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.search-form input, .search-form select, .item-form input, .search-form textarea, .item-form select, .item-form textarea {
    width: 100%; border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px; font: inherit; color: var(--text); background: rgba(255,255,255,0.85);
}
.search-form input { flex: 1 1 360px; }
.search-form select { flex: 0 0 160px; }
.button {
    display: inline-flex; align-items: center; justify-content: center; padding: 12px 18px; border-radius: 999px; border: none; cursor: pointer; font: inherit; font-weight: 700; transition: transform 0.2s ease;
}
.button:hover { transform: translateY(-1px); }
.button.primary { background: linear-gradient(135deg, var(--primary), #ff9e58); color: white; }
.button.secondary { background: rgba(13,124,134,0.12); color: var(--secondary); }
.button.warn { background: rgba(217,95,95,0.12); color: var(--warn); }
.button.ghost { background: rgba(255,255,255,0.78); color: var(--text); border: 1px solid rgba(76,55,40,0.08); }
.grid { margin-top: 22px; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.card { overflow: hidden; }
.card-image-wrap { position: relative; }
.card-image { width: 100%; height: 220px; object-fit: cover; }
.status-tag { position: absolute; top: 14px; right: 14px; padding: 8px 12px; border-radius: 999px; font-size: 13px; font-weight: 700; color: white; }
.status-tag.available { background: rgba(32,164,111,0.9); }
.status-tag.locked { background: rgba(255, 153, 51, 0.92); }
.status-tag.offline { background: rgba(120,120,120,0.9); }
.status-tag.sold { background: rgba(217,95,95,0.9); }
.card-body { padding: 18px; }
.card-meta span, .pill { border-radius: 999px; padding: 6px 10px; background: rgba(13,124,134,0.08); color: var(--secondary); font-size: 13px; font-weight: 700; }
.pill.soft { background: rgba(255,122,69,0.1); color: var(--primary-deep); }
.card-title { display: block; margin: 14px 0 10px; font-size: 20px; font-weight: 800; }
.card-desc { min-height: 48px; margin: 0 0 18px; line-height: 1.6; }
.card-footer { display: flex; justify-content: space-between; gap: 12px; align-items: end; }
.price, .detail-price { color: var(--primary-deep); font-size: 28px; font-weight: 800; }
.metric { text-align: right; display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.detail-card { display: grid; grid-template-columns: minmax(320px, 1fr) minmax(0, 1.1fr); gap: 28px; padding: 24px; }
.detail-image { width: 100%; min-height: 320px; max-height: 520px; object-fit: cover; border-radius: 24px; }
.detail-body h1 { font-size: clamp(28px, 4vw, 42px); margin-top: 14px; }
.info-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 26px 0; }
.info-grid div { background: rgba(255,255,255,0.6); border-radius: 18px; padding: 16px; }
.info-grid strong { display: block; margin-top: 8px; font-size: 18px; }
.form-card { padding: 28px; max-width: 860px; margin: 0 auto; }
.auth-card { max-width: 520px; }
.item-form { margin-top: 24px; display: grid; gap: 18px; }
.item-form label { display: grid; gap: 10px; font-weight: 700; }
.two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.empty-state, .section-heading, .error-card { text-align: center; padding: 40px 24px; }
.empty-state.small { padding: 18px 8px; }
.section-heading.left { text-align: left; padding: 0 0 18px; }
.empty-state h2, .section-heading h1, .error-card h1 { font-size: clamp(24px, 3vw, 36px); }
.admin-grid, .orders-section { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; }
.admin-card { padding: 22px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 10px; border-bottom: 1px solid var(--line); text-align: left; }
.table-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.order-list { display: grid; gap: 16px; }
.order-card { display: grid; grid-template-columns: 112px 1fr auto; gap: 18px; align-items: center; padding: 18px; border-radius: 20px; background: rgba(255,255,255,0.55); }
.order-image { width: 112px; height: 112px; border-radius: 18px; object-fit: cover; }
.order-actions { display: grid; gap: 12px; justify-items: end; }
.order-panel { align-self: start; }
@media (max-width: 900px) {
    .hero-content, .detail-card, .two-col, .admin-grid, .info-grid, .orders-section, .order-card { grid-template-columns: 1fr; }
    .page-shell { width: min(100% - 20px, 1180px); }
    .topbar { flex-direction: column; align-items: flex-start; }
    .search-form select, .search-form input, .button { width: 100%; }
    .card-footer, .order-actions { flex-direction: column; align-items: flex-start; justify-items: start; }
    .order-image { width: 100%; height: 220px; }
}