/* ═══════════════════════════════════════════════════
   SINGAPORE CHARITY DINNER AUCTION
   Premium Dark Theme · Gold Accents · Mobile-First
════════════════════════════════════════════════════ */

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

:root {
  --bg:             #08080e;
  --bg-section:     #0c0c14;
  --bg-card:        #13131f;
  --bg-card-hover:  #1a1a2a;
  --surface:        #1c1c2e;
  --surface-light:  #252540;
  --border:         rgba(255,255,255,0.06);
  --border-light:   rgba(255,255,255,0.12);
  --gold:           #c9a96e;
  --gold-light:     #e0c992;
  --gold-dark:      #a38850;
  --gold-glow:      rgba(201,169,110,0.25);
  --red:            #e74c3c;
  --green:          #2ecc71;
  --blue:           #3498db;
  --text-white:     #f5f5f7;
  --text-light:     #d1d1d6;
  --text-muted:     #8e8e93;
  --text-dim:       #636366;
  --font-display:   'Playfair Display', Georgia, serif;
  --font-body:      'Inter', -apple-system, sans-serif;
  --radius-sm:      8px;
  --radius-md:      12px;
  --radius-lg:      20px;
  --radius-xl:      28px;
  --shadow:         0 4px 30px rgba(0,0,0,0.4);
  --shadow-lg:      0 20px 60px rgba(0,0,0,0.5);
  --shadow-gold:    0 4px 20px rgba(201,169,110,0.3);
  --transition:     all 0.3s cubic-bezier(.4,0,.2,1);
}

html { font-size:16px; scroll-behavior:smooth; }
body { font-family:var(--font-body); background:var(--bg); color:var(--text-light); min-height:100vh; overflow-x:hidden; -webkit-font-smoothing:antialiased; }
img { max-width:100%; display:block; }
a { text-decoration:none; color:inherit; }
button { cursor:pointer; font-family:var(--font-body); }
input, select, textarea { font-family:var(--font-body); }

::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:var(--surface-light); border-radius:3px; }

.container { max-width:1280px; margin:0 auto; padding:0 20px; }

/* ═══ NAVBAR ═══ */
.navbar { position:fixed; top:0; left:0; right:0; z-index:100; background:rgba(8,8,14,0.85); backdrop-filter:blur(20px); border-bottom:1px solid var(--border); height:64px; transition:var(--transition); }
.navbar.scrolled { background:rgba(8,8,14,0.97); box-shadow:0 2px 30px rgba(0,0,0,0.3); }
.nav-inner { max-width:1280px; margin:0 auto; padding:0 20px; height:100%; display:flex; align-items:center; justify-content:space-between; gap:16px; }
.nav-brand { display:flex; align-items:center; gap:8px; z-index:101; flex-shrink:0; }
.brand-icon { font-size:1.4rem; }
.brand-text { font-family:var(--font-display); font-size:1.05rem; font-weight:700; color:var(--gold); letter-spacing:1px; }
.nav-links { display:flex; align-items:center; gap:4px; }
.nav-link { padding:6px 14px; border-radius:8px; font-size:.82rem; font-weight:500; color:var(--text-muted); transition:var(--transition); white-space:nowrap; }
.nav-link:hover, .nav-link.active { color:var(--gold); }
.nav-link.active { background:rgba(201,169,110,0.1); }
.nav-auth { display:flex; align-items:center; gap:8px; margin-left:8px; }
.nav-right { display:flex; align-items:center; gap:12px; }
.nav-toggle { display:none; flex-direction:column; gap:4px; background:none; border:none; padding:8px; z-index:101; }
.nav-toggle span { display:block; width:22px; height:2px; background:var(--text-light); border-radius:2px; transition:var(--transition); }
.nav-toggle.active span:nth-child(1) { transform:translateY(6px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity:0; }
.nav-toggle.active span:nth-child(3) { transform:translateY(-6px) rotate(-45deg); }

/* Demo toggle */
.demo-toggle { display:flex; align-items:center; gap:8px; padding:5px 12px; background:var(--surface); border:1px solid var(--border-light); border-radius:50px; font-size:.72rem; font-weight:600; color:var(--text-muted); cursor:pointer; white-space:nowrap; transition:var(--transition); }
.demo-toggle:hover { border-color:var(--gold-dark); }
.demo-toggle.on { border-color:var(--green); color:var(--green); }
.demo-toggle .toggle-dot { width:8px; height:8px; border-radius:50%; background:var(--text-dim); transition:var(--transition); }
.demo-toggle.on .toggle-dot { background:var(--green); box-shadow:0 0 6px rgba(46,204,113,0.5); }

/* Auth buttons in nav */
.btn-nav { padding:6px 16px; border-radius:8px; font-size:.82rem; font-weight:600; border:none; transition:var(--transition); }
.btn-nav-login { background:var(--gold); color:#0a0a0f; }
.btn-nav-login:hover { box-shadow:var(--shadow-gold); }
.btn-nav-admin { background:var(--surface); color:var(--gold); border:1px solid var(--border-light); }
.btn-nav-admin:hover { border-color:var(--gold-dark); }
.btn-nav-logout { background:transparent; color:var(--text-dim); font-size:.78rem; }
.btn-nav-logout:hover { color:var(--red); }
.user-badge { padding:4px 12px; background:rgba(201,169,110,0.1); border:1px solid rgba(201,169,110,0.2); border-radius:50px; font-size:.75rem; font-weight:600; color:var(--gold); }

/* ═══ BUTTONS ═══ */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:12px 24px; border-radius:var(--radius-sm); font-weight:600; font-size:.9rem; border:none; transition:var(--transition); }
.btn-gold { background:linear-gradient(135deg,var(--gold),var(--gold-dark)); color:#0a0a0f; }
.btn-gold:hover { box-shadow:var(--shadow-gold); transform:translateY(-1px); }
.btn-gold:disabled { opacity:0.4; cursor:not-allowed; transform:none; box-shadow:none; }
.btn-outline { background:transparent; color:var(--gold); border:1.5px solid var(--gold-dark); }
.btn-outline:hover { background:rgba(201,169,110,0.08); border-color:var(--gold); }
.btn-danger { background:var(--red); color:#fff; }
.btn-danger:hover { opacity:0.9; }
.btn-ghost { background:transparent; color:var(--text-muted); padding:8px 14px; }
.btn-ghost:hover { color:var(--text-white); }
.btn-sm { padding:8px 16px; font-size:.82rem; }
.btn-full { width:100%; }
.btn-icon { width:40px; height:40px; padding:0; border-radius:50%; background:var(--surface); border:1px solid var(--border); color:var(--text-muted); display:flex; align-items:center; justify-content:center; }
.btn-icon:hover { background:var(--surface-light); color:var(--text-white); }

/* ═══ FORMS ═══ */
.form-group { margin-bottom:16px; }
.form-label { display:block; font-size:.82rem; font-weight:600; color:var(--text-muted); margin-bottom:6px; }
.form-input { width:100%; padding:11px 14px; background:var(--surface); border:1.5px solid var(--border-light); border-radius:var(--radius-sm); color:var(--text-white); font-size:.9rem; transition:var(--transition); outline:none; }
.form-input:focus { border-color:var(--gold); box-shadow:0 0 0 3px var(--gold-glow); }
.form-input::placeholder { color:var(--text-dim); }
textarea.form-input { resize:vertical; min-height:80px; }
select.form-input { appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238e8e93' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 12px center; }

/* ═══ CARDS ═══ */
.card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; transition:var(--transition); }
.card:hover { border-color:var(--border-light); }
.card-body { padding:20px; }

/* ═══ BADGES ═══ */
.badge { display:inline-flex; align-items:center; gap:4px; padding:4px 12px; border-radius:50px; font-size:.7rem; font-weight:700; letter-spacing:.5px; }
.badge-sold { background:rgba(231,76,60,0.15); color:var(--red); border:1px solid rgba(231,76,60,0.3); }
.badge-live { background:rgba(46,204,113,0.15); color:var(--green); border:1px solid rgba(46,204,113,0.3); }
.badge-ended { background:rgba(142,142,147,0.15); color:var(--text-muted); border:1px solid rgba(142,142,147,0.2); }
.badge-winning { background:rgba(46,204,113,0.15); color:var(--green); }
.badge-outbid { background:rgba(231,76,60,0.15); color:var(--red); }
.badge-gold { background:rgba(201,169,110,0.15); color:var(--gold); border:1px solid rgba(201,169,110,0.3); }
.badge-reserve { background:rgba(52,152,219,0.15); color:var(--blue); }
.badge-dot { width:6px; height:6px; border-radius:50%; background:currentColor; }

/* ═══ SECTION LAYOUT ═══ */
.page { padding-top:80px; min-height:100vh; padding-bottom:60px; }
.section-header { text-align:center; margin-bottom:48px; }
.section-tag { display:inline-block; font-size:.75rem; font-weight:600; color:var(--gold); text-transform:uppercase; letter-spacing:3px; margin-bottom:12px; }
.section-title { font-family:var(--font-display); font-size:clamp(1.8rem,4vw,2.8rem); font-weight:700; color:var(--text-white); margin-bottom:12px; }
.section-desc { font-size:1rem; color:var(--text-muted); line-height:1.7; max-width:600px; margin:0 auto; }

/* ═══ HERO ═══ */
.hero { position:relative; min-height:100vh; display:flex; align-items:center; justify-content:center; padding:120px 20px 80px; overflow:hidden; }
.hero-bg { position:absolute; inset:0; background:radial-gradient(ellipse at 30% 40%,rgba(201,169,110,0.08) 0%,transparent 60%),radial-gradient(ellipse at 70% 60%,rgba(100,80,180,0.05) 0%,transparent 50%),var(--bg); }
.hero-content { position:relative; text-align:center; max-width:780px; z-index:1; }
.hero-event-badge { display:inline-flex; align-items:center; gap:8px; padding:8px 20px; background:rgba(46,204,113,0.1); border:1px solid rgba(46,204,113,0.3); border-radius:50px; margin-bottom:28px; font-size:.82rem; font-weight:600; color:var(--green); }
.hero-title { font-family:var(--font-display); font-size:clamp(2.6rem,6vw,5rem); font-weight:800; line-height:1.08; margin-bottom:18px; color:var(--text-white); }
.hero-title .accent { background:linear-gradient(135deg,var(--gold),var(--gold-light)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero-subtitle { font-family:var(--font-display); font-size:clamp(1rem,2vw,1.3rem); font-style:italic; color:var(--text-muted); margin-bottom:10px; }
.hero-location { display:inline-flex; align-items:center; gap:6px; font-size:.9rem; color:var(--text-dim); margin-bottom:36px; }
.hero-actions { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-bottom:52px; }
.hero-stats { display:flex; justify-content:center; align-items:center; gap:36px; }
.stat-item { display:flex; flex-direction:column; gap:4px; }
.stat-number { font-family:var(--font-display); font-size:1.8rem; font-weight:800; color:var(--text-white); }
.stat-label { font-size:.72rem; font-weight:500; color:var(--text-dim); text-transform:uppercase; letter-spacing:1.5px; }
.stat-divider { width:1px; height:36px; background:var(--border-light); }

/* ═══ ITEMS GRID ═══ */
.filter-bar { display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:10px; }
.filter-bar .search-wrap { flex:1; min-width:200px; position:relative; }
.filter-bar .search-input { width:100%; padding:10px 14px 10px 38px; background:var(--surface); border:1.5px solid var(--border-light); border-radius:50px; color:var(--text-white); font-size:.88rem; outline:none; transition:var(--transition); }
.filter-bar .search-input:focus { border-color:var(--gold); }
.filter-bar .search-icon { position:absolute; left:14px; top:50%; transform:translateY(-50%); color:var(--text-dim); pointer-events:none; }
.filter-chips { display:flex; gap:6px; flex-wrap:wrap; margin-bottom:24px; }
.filter-chip { padding:7px 18px; border-radius:50px; border:1.5px solid var(--border-light); background:transparent; font-size:.82rem; font-weight:500; color:var(--text-muted); transition:var(--transition); white-space:nowrap; }
.filter-chip:hover { border-color:var(--gold-dark); color:var(--gold); }
.filter-chip.active { background:linear-gradient(135deg,var(--gold),var(--gold-dark)); border-color:var(--gold); color:#0a0a0f; font-weight:600; }
.sort-select { padding:8px 32px 8px 12px; background:var(--surface); border:1.5px solid var(--border-light); border-radius:8px; color:var(--text-light); font-size:.82rem; outline:none; }

.items-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px; }

.item-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; transition:var(--transition); cursor:pointer; }
.item-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); border-color:var(--border-light); }
.item-card-img { position:relative; width:100%; aspect-ratio:4/3; overflow:hidden; }
.item-card-img img { width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.item-card:hover .item-card-img img { transform:scale(1.06); }
.item-card-badges { position:absolute; top:10px; left:10px; right:10px; display:flex; justify-content:space-between; z-index:2; }
.item-card-body { padding:16px; }
.item-card-title { font-family:var(--font-display); font-size:1rem; font-weight:700; color:var(--text-white); margin-bottom:4px; line-height:1.3; }
.item-card-category { font-size:.75rem; color:var(--gold); font-weight:500; margin-bottom:10px; }
.item-card-bid { display:flex; justify-content:space-between; align-items:flex-end; margin-bottom:12px; }
.bid-label { font-size:.7rem; color:var(--text-dim); text-transform:uppercase; letter-spacing:1px; }
.bid-amount { font-family:var(--font-display); font-size:1.2rem; font-weight:700; color:var(--text-white); }
.bid-count { font-size:.75rem; color:var(--text-muted); text-align:right; }
.item-card-footer { display:flex; justify-content:space-between; align-items:center; }
.item-card-timer { font-size:.78rem; color:var(--text-muted); display:flex; align-items:center; gap:4px; }
.item-card-timer.urgent { color:var(--red); font-weight:600; }
.btn-card-bid { padding:8px 18px; background:linear-gradient(135deg,var(--gold),var(--gold-dark)); color:#0a0a0f; border:none; border-radius:var(--radius-sm); font-size:.82rem; font-weight:700; transition:var(--transition); }
.btn-card-bid:hover { box-shadow:var(--shadow-gold); }
.btn-card-bid:disabled { opacity:0.4; cursor:not-allowed; }

/* Watchlist button */
.btn-watchlist { position:absolute; top:10px; right:10px; width:32px; height:32px; border-radius:50%; background:rgba(0,0,0,0.5); backdrop-filter:blur(4px); border:none; color:var(--text-muted); font-size:1rem; display:flex; align-items:center; justify-content:center; cursor:pointer; transition:var(--transition); z-index:3; }
.btn-watchlist:hover, .btn-watchlist.active { color:var(--red); background:rgba(0,0,0,0.7); }

/* ═══ ITEM DETAIL ═══ */
.detail-page { padding-top:80px; }
.detail-grid { display:grid; grid-template-columns:1fr 1fr; gap:40px; padding:20px 0 60px; }
.detail-gallery { position:relative; border-radius:var(--radius-lg); overflow:hidden; }
.detail-gallery img { width:100%; aspect-ratio:1; object-fit:cover; border-radius:var(--radius-lg); }
.detail-info { display:flex; flex-direction:column; gap:6px; }
.detail-title { font-family:var(--font-display); font-size:clamp(1.6rem,3vw,2.2rem); font-weight:700; color:var(--text-white); }
.detail-artist { font-size:1rem; color:var(--gold); font-weight:500; }
.detail-meta { display:flex; gap:16px; flex-wrap:wrap; margin:8px 0; }
.detail-meta-item { font-size:.82rem; color:var(--text-muted); display:flex; align-items:center; gap:4px; }
.detail-desc { font-size:.92rem; color:var(--text-muted); line-height:1.7; margin:8px 0; }
.detail-bid-card { background:var(--surface); border:1px solid var(--border-light); border-radius:var(--radius-md); padding:20px; margin:12px 0; }
.detail-bid-row { display:flex; justify-content:space-between; align-items:center; margin-bottom:12px; }
.detail-bid-current { font-family:var(--font-display); font-size:1.8rem; font-weight:800; color:var(--text-white); }
.detail-bid-min { font-size:.82rem; color:var(--text-dim); }
.bid-input-row { display:flex; gap:10px; margin-bottom:12px; }
.bid-input-row .form-input { flex:1; }
.detail-terms { font-size:.78rem; color:var(--text-dim); line-height:1.6; margin-top:8px; padding-top:12px; border-top:1px solid var(--border); }

/* Bid history */
.bid-history { margin-top:16px; }
.bid-history-title { font-size:.9rem; font-weight:700; color:var(--text-white); margin-bottom:12px; }
.bid-history-list { display:flex; flex-direction:column; gap:8px; max-height:240px; overflow-y:auto; }
.bid-history-item { display:flex; justify-content:space-between; align-items:center; padding:10px 14px; background:var(--bg-card); border-radius:var(--radius-sm); border:1px solid var(--border); font-size:.82rem; }
.bid-history-item .bidder { color:var(--text-light); font-weight:600; }
.bid-history-item .bid-time { color:var(--text-dim); font-size:.75rem; }
.bid-history-item .bid-val { font-weight:700; color:var(--gold); }

/* ═══ MY BIDS & WATCHLIST ═══ */
.bids-list { display:flex; flex-direction:column; gap:12px; }
.bid-row { display:flex; align-items:center; gap:16px; padding:16px; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-md); transition:var(--transition); cursor:pointer; }
.bid-row:hover { border-color:var(--border-light); background:var(--bg-card-hover); }
.bid-row-img { width:80px; height:60px; border-radius:var(--radius-sm); overflow:hidden; flex-shrink:0; }
.bid-row-img img { width:100%; height:100%; object-fit:cover; }
.bid-row-info { flex:1; }
.bid-row-title { font-size:.92rem; font-weight:600; color:var(--text-white); margin-bottom:2px; }
.bid-row-sub { font-size:.78rem; color:var(--text-muted); }
.bid-row-right { text-align:right; }
.bid-row-amount { font-family:var(--font-display); font-size:1.1rem; font-weight:700; color:var(--text-white); }
.bid-row-status { margin-top:4px; }

/* ═══ LOGIN ═══ */
.login-page { display:flex; align-items:center; justify-content:center; min-height:100vh; padding:20px; }
.login-card { background:var(--bg-card); border:1px solid var(--border-light); border-radius:var(--radius-xl); padding:40px 36px; max-width:420px; width:100%; }
.login-card h2 { font-family:var(--font-display); font-size:1.6rem; color:var(--text-white); margin-bottom:8px; text-align:center; }
.login-card .login-sub { font-size:.88rem; color:var(--text-muted); text-align:center; margin-bottom:28px; }
.login-tabs { display:flex; gap:4px; margin-bottom:24px; background:var(--surface); border-radius:var(--radius-sm); padding:3px; }
.login-tab { flex:1; padding:10px; border:none; background:transparent; color:var(--text-muted); font-size:.85rem; font-weight:600; border-radius:6px; transition:var(--transition); }
.login-tab.active { background:var(--gold); color:#0a0a0f; }
.otp-input-group { display:flex; gap:8px; justify-content:center; margin:20px 0; }
.otp-input { width:48px; height:56px; text-align:center; font-size:1.4rem; font-weight:700; background:var(--surface); border:2px solid var(--border-light); border-radius:var(--radius-sm); color:var(--text-white); outline:none; transition:var(--transition); }
.otp-input:focus { border-color:var(--gold); box-shadow:0 0 0 3px var(--gold-glow); }

/* ═══ ADMIN ═══ */
.admin-layout { display:grid; grid-template-columns:240px 1fr; min-height:100vh; padding-top:64px; }
.admin-sidebar { background:var(--bg-section); border-right:1px solid var(--border); padding:24px 16px; position:sticky; top:64px; height:calc(100vh - 64px); }
.admin-nav-item { display:flex; align-items:center; gap:10px; padding:10px 14px; border-radius:var(--radius-sm); font-size:.88rem; font-weight:500; color:var(--text-muted); margin-bottom:4px; transition:var(--transition); cursor:pointer; }
.admin-nav-item:hover { background:var(--surface); color:var(--text-light); }
.admin-nav-item.active { background:rgba(201,169,110,0.1); color:var(--gold); }
.admin-content { padding:24px 32px; }
.admin-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:24px; }
.admin-title { font-family:var(--font-display); font-size:1.5rem; font-weight:700; color:var(--text-white); }

/* Admin table */
.data-table { width:100%; border-collapse:collapse; }
.data-table th { text-align:left; padding:10px 14px; font-size:.75rem; font-weight:600; color:var(--text-dim); text-transform:uppercase; letter-spacing:1px; border-bottom:1px solid var(--border-light); }
.data-table td { padding:12px 14px; font-size:.88rem; color:var(--text-light); border-bottom:1px solid var(--border); vertical-align:middle; }
.data-table tr:hover td { background:var(--bg-card-hover); }
.table-img { width:60px; height:45px; border-radius:6px; object-fit:cover; }

/* Admin stats */
.admin-stats { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:16px; margin-bottom:28px; }
.admin-stat-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-md); padding:20px; }
.admin-stat-label { font-size:.78rem; color:var(--text-dim); margin-bottom:6px; }
.admin-stat-value { font-family:var(--font-display); font-size:1.6rem; font-weight:700; color:var(--text-white); }

/* ═══ CHECKOUT & RECEIPT ═══ */
.checkout-page { display:flex; align-items:center; justify-content:center; min-height:100vh; padding:20px; }
.checkout-card { background:var(--bg-card); border:1px solid var(--border-light); border-radius:var(--radius-xl); padding:40px; max-width:500px; width:100%; text-align:center; }
.checkout-card h2 { font-family:var(--font-display); font-size:1.5rem; color:var(--text-white); margin-bottom:8px; }
.checkout-item { display:flex; gap:16px; text-align:left; padding:16px; background:var(--surface); border-radius:var(--radius-md); margin:20px 0; }
.checkout-item img { width:80px; height:80px; border-radius:var(--radius-sm); object-fit:cover; }
.checkout-amount { font-family:var(--font-display); font-size:2rem; font-weight:800; color:var(--gold); margin:16px 0; }
.stripe-demo-notice { font-size:.78rem; color:var(--text-dim); background:var(--surface); padding:12px; border-radius:var(--radius-sm); margin:16px 0; line-height:1.5; }
.test-cards { font-size:.75rem; color:var(--text-dim); margin:8px 0; }
.test-cards code { background:var(--surface-light); padding:2px 6px; border-radius:4px; color:var(--gold-light); }

.receipt-success-icon { width:80px; height:80px; border-radius:50%; background:rgba(46,204,113,0.15); border:2px solid rgba(46,204,113,0.3); display:flex; align-items:center; justify-content:center; margin:0 auto 20px; font-size:2rem; }

/* ═══ LEADERBOARD ═══ */
.leaderboard-list { display:flex; flex-direction:column; gap:10px; }
.lb-item { display:flex; align-items:center; gap:16px; padding:16px; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-md); transition:var(--transition); }
.lb-item.rank-1 { border-color:rgba(201,169,110,0.3); background:linear-gradient(135deg,rgba(201,169,110,0.05),transparent); }
.lb-rank { width:36px; height:36px; border-radius:50%; background:var(--surface); display:flex; align-items:center; justify-content:center; font-weight:800; font-size:.9rem; color:var(--text-muted); flex-shrink:0; }
.lb-item.rank-1 .lb-rank { background:var(--gold); color:#0a0a0f; }
.lb-item.rank-2 .lb-rank { background:#c0c0c0; color:#0a0a0f; }
.lb-item.rank-3 .lb-rank { background:#cd7f32; color:#0a0a0f; }
.lb-info { flex:1; }
.lb-title { font-size:.92rem; font-weight:600; color:var(--text-white); }
.lb-sub { font-size:.78rem; color:var(--text-muted); }
.lb-amount { font-family:var(--font-display); font-size:1.2rem; font-weight:700; color:var(--gold); }

/* ═══ COUNTDOWN ═══ */
.countdown { display:inline-flex; align-items:center; gap:6px; }
.countdown-segment { display:flex; flex-direction:column; align-items:center; }
.countdown-num { font-family:var(--font-display); font-weight:700; }
.countdown-label2 { font-size:.55rem; color:var(--text-dim); text-transform:uppercase; letter-spacing:1px; }
.countdown-sep { color:var(--text-dim); font-weight:700; margin-bottom:10px; }

/* ═══ TOAST ═══ */
#toast-container { position:fixed; top:80px; right:20px; z-index:9999; display:flex; flex-direction:column; gap:8px; }
.toast { display:flex; align-items:center; gap:10px; padding:12px 20px; background:var(--bg-card); border:1px solid var(--border-light); border-radius:var(--radius-md); box-shadow:var(--shadow); min-width:280px; max-width:400px; animation:slideInRight .3s ease; font-size:.88rem; color:var(--text-light); }
.toast.success { border-left:3px solid var(--green); }
.toast.error { border-left:3px solid var(--red); }
.toast.info { border-left:3px solid var(--blue); }
.toast.warning { border-left:3px solid var(--gold); }
.toast-icon { font-size:1.1rem; flex-shrink:0; }
.toast-message { flex:1; }
.toast-close { background:none; border:none; color:var(--text-dim); cursor:pointer; font-size:1.1rem; padding:0 0 0 8px; }
@keyframes slideInRight { from { transform:translateX(100px); opacity:0; } to { transform:translateX(0); opacity:1; } }

/* ═══ MODAL ═══ */
.modal-overlay { position:fixed; inset:0; z-index:200; background:rgba(0,0,0,0.7); backdrop-filter:blur(6px); display:flex; align-items:center; justify-content:center; padding:20px; opacity:0; pointer-events:none; transition:opacity .3s ease; }
.modal-overlay.visible { opacity:1; pointer-events:all; }
.modal-container { background:var(--bg-card); border:1px solid var(--border-light); border-radius:var(--radius-xl); max-width:500px; width:100%; max-height:90vh; overflow-y:auto; padding:32px; transform:translateY(20px) scale(.97); transition:transform .3s ease; }
.modal-overlay.visible .modal-container { transform:translateY(0) scale(1); }
.modal-close-btn { position:absolute; top:16px; right:16px; background:var(--surface); border:1px solid var(--border); color:var(--text-muted); width:36px; height:36px; border-radius:50%; display:flex; align-items:center; justify-content:center; cursor:pointer; }

/* ═══ EMPTY STATE ═══ */
.empty-state { text-align:center; padding:60px 20px; }
.empty-icon { font-size:3rem; margin-bottom:16px; }
.empty-title { font-family:var(--font-display); font-size:1.3rem; color:var(--text-white); margin-bottom:8px; }
.empty-desc { font-size:.9rem; color:var(--text-muted); margin-bottom:20px; }

/* ═══ FOOTER ═══ */
.footer { background:var(--bg-section); border-top:1px solid var(--border); padding:40px 0 24px; margin-top:40px; }
.footer-inner { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px; }
.footer-brand { font-family:var(--font-display); font-size:1rem; color:var(--gold); }
.footer-links { display:flex; gap:20px; }
.footer-links a { font-size:.82rem; color:var(--text-dim); transition:var(--transition); }
.footer-links a:hover { color:var(--gold); }
.footer-copy { font-size:.78rem; color:var(--text-dim); text-align:center; margin-top:20px; padding-top:16px; border-top:1px solid var(--border); }

/* ═══ SKELETON ═══ */
.skeleton { background:linear-gradient(90deg,var(--surface) 25%,var(--surface-light) 50%,var(--surface) 75%); background-size:200% 100%; animation:shimmer 1.5s infinite; border-radius:var(--radius-sm); }
@keyframes shimmer { 0% { background-position:200% 0; } 100% { background-position:-200% 0; } }
.skeleton-card { border-radius:var(--radius-lg); overflow:hidden; }
.skeleton-img { width:100%; aspect-ratio:4/3; }
.skeleton-line { height:14px; margin-bottom:8px; border-radius:4px; }
.skeleton-line.short { width:60%; }

/* ═══ ANIMATIONS ═══ */
.fade-in { animation:fadeIn .4s ease; }
@keyframes fadeIn { from { opacity:0; transform:translateY(16px); } to { opacity:1; transform:translateY(0); } }
.slide-up { animation:slideUp .5s ease; }
@keyframes slideUp { from { opacity:0; transform:translateY(40px); } to { opacity:1; transform:translateY(0); } }

/* ═══ RESPONSIVE ═══ */
@media (max-width:1024px) {
  .admin-layout { grid-template-columns:1fr; }
  .admin-sidebar { display:none; }
  .detail-grid { grid-template-columns:1fr; gap:24px; }
}

@media (max-width:768px) {
  .nav-links { position:fixed; top:0; left:0; right:0; bottom:0; background:rgba(8,8,14,0.97); backdrop-filter:blur(20px); flex-direction:column; align-items:center; justify-content:center; gap:4px; opacity:0; pointer-events:none; transition:opacity .3s ease; z-index:100; }
  .nav-links.open { opacity:1; pointer-events:all; }
  .nav-links .nav-link { font-size:1.2rem; padding:12px 28px; }
  .nav-links .nav-auth { flex-direction:column; margin-left:0; margin-top:16px; }
  .nav-toggle { display:flex; }
  .hero-stats { flex-direction:column; gap:16px; }
  .stat-divider { width:40px; height:1px; }
  .items-grid { grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); }
  .hero { padding:100px 16px 60px; }
}

@media (max-width:480px) {
  .items-grid { grid-template-columns:1fr; }
  .hero-actions { flex-direction:column; align-items:stretch; }
  .filter-bar { flex-direction:column; }
  .filter-bar .search-wrap { min-width:auto; }
  .bid-input-row { flex-direction:column; }
}