/* ============================================
   TeuSubastas — Design System (Static Prototype)
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Syne:wght@600;700;800&display=swap');

:root {
  --bg-deep: #070b10;
  --bg-primary: #0c1219;
  --bg-secondary: #131b26;
  --bg-card: #1a2433;
  --bg-card-hover: #1f2d40;
  --bg-elevated: #243044;
  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(16, 185, 129, 0.35);

  --accent: #10b981;
  --accent-bright: #34d399;
  --accent-dark: #059669;
  --accent-glow: rgba(16, 185, 129, 0.25);
  --accent-subtle: rgba(16, 185, 129, 0.12);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.15);
  --warning: #f59e0b;
  --sold: #6b7280;
  --sold-bg: rgba(107, 114, 128, 0.2);

  --font-display: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px var(--accent-glow);

  --header-height: 72px;
  --topbar-height: 40px;
  --container: 1280px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin-top: 0.75rem;
  border-radius: 2px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 600px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-bright);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
}

.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); }

.btn-sm { padding: 0.5rem 1rem; font-size: 0.8rem; }
.btn-lg { padding: 1rem 2rem; font-size: 1rem; }
.btn-block { width: 100%; }

.btn:disabled, .btn-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn-sold {
  background: var(--sold-bg);
  color: var(--text-secondary);
  cursor: default;
}

.btn-unsold {
  background: var(--danger-bg);
  color: var(--danger);
  cursor: default;
}

.btn-bid {
  background: linear-gradient(135deg, var(--accent-bright), var(--accent));
  color: #0a0e14;
  font-weight: 700;
}

/* ---- Top Bar ---- */
.topbar {
  background: linear-gradient(90deg, var(--accent-dark), var(--accent));
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  font-size: 0.8rem;
}

.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar-contact {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.topbar-contact a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  opacity: 0.95;
}

.topbar-contact a:hover { opacity: 1; text-decoration: underline; }

.topbar-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.topbar-user span { font-weight: 500; }

/* ---- Header / Nav ---- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 18, 25, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  line-height: 1.1;
}

.logo-text small {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-bright);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav a {
  padding: 0.5rem 1rem;
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.nav a:hover, .nav a.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav a.active { color: var(--accent-bright); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* ---- User Action Bar ---- */
.user-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 0;
}

.user-bar .container {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.user-bar a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.user-bar a:hover, .user-bar a.active {
  color: var(--accent-bright);
  background: var(--accent-subtle);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(7, 11, 16, 0.85) 0%, rgba(7, 11, 16, 0.6) 50%, rgba(16, 185, 129, 0.15) 100%),
    url('https://images.unsplash.com/photo-1566837945700-30057527ade0?w=1920&q=80') center/cover no-repeat;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 80%, var(--accent-glow) 0%, transparent 60%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 4rem 1.5rem;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-bright);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #fff 30%, var(--accent-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.hero-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent-bright);
}

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

/* Hero carousel arrows */
.hero-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  color: #fff;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  backdrop-filter: blur(8px);
}

.hero-nav:hover {
  background: var(--accent-subtle);
  border-color: var(--accent);
}

.hero-nav.prev { left: 1.5rem; }
.hero-nav.next { right: 1.5rem; }

/* ---- Sections ---- */
.section {
  padding: 5rem 0;
}

.section-dark { background: var(--bg-primary); }
.section-darker { background: var(--bg-deep); }

.section-header {
  margin-bottom: 3rem;
}

.section-header.center { text-align: center; }
.section-header.center .section-title::after { margin-left: auto; margin-right: auto; }
.section-header.center .section-subtitle { margin-left: auto; margin-right: auto; }

/* ---- Auction Cards (Home grid) ---- */
.auction-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.auction-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  group: auction;
}

.auction-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}

.auction-card:hover .auction-card-bg { transform: scale(1.08); }

.auction-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 11, 16, 0.95) 0%, rgba(7, 11, 16, 0.4) 60%, rgba(7, 11, 16, 0.2) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  transition: background var(--transition);
}

.auction-card:hover .auction-card-overlay {
  background: linear-gradient(to top, rgba(7, 11, 16, 0.98) 0%, rgba(16, 185, 129, 0.2) 100%);
}

.auction-card-status {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.status-active {
  background: var(--accent);
  color: #0a0e14;
  animation: pulse-glow 2s infinite;
}

.status-finished {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-secondary);
  backdrop-filter: blur(8px);
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50% { box-shadow: 0 0 20px 4px var(--accent-glow); }
}

.auction-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
}

.auction-card-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.auction-card-meta .date { color: var(--accent-bright); font-weight: 600; }

.auction-card-number {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.4);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
}

/* ---- Institutional ---- */
.institutional {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.institutional-visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.institutional-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.institutional-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid var(--accent);
  border-radius: var(--radius-xl);
  opacity: 0.3;
  transform: translate(12px, 12px);
  z-index: -1;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: var(--accent-subtle);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.feature-item h4 { font-size: 1rem; margin-bottom: 0.2rem; }
.feature-item p { font-size: 0.9rem; color: var(--text-secondary); }

/* ---- Lot Cards (Auction detail) ---- */
.auction-header {
  padding: 3rem 0 2rem;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
}

.auction-header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.auction-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--accent-bright);
}

.auction-status-badge {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.auction-status-badge.active {
  background: var(--accent-subtle);
  color: var(--accent-bright);
  border: 1px solid var(--border-accent);
}

.auction-status-badge.finished {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
}

.auction-dates {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.date-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.date-item .icon {
  width: 40px;
  height: 40px;
  background: var(--accent-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.date-item strong {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.date-item span { font-weight: 600; font-size: 0.95rem; }

.lot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
  padding: 3rem 0;
}

.lot-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.lot-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.lot-gallery {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--bg-elevated);
}

.lot-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  border: none;
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.lot-card:hover .gallery-nav { opacity: 1; }
.gallery-nav.prev { left: 0.5rem; }
.gallery-nav.next { right: 0.5rem; }

.gallery-dots {
  position: absolute;
  bottom: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.35rem;
}

.gallery-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
}

.gallery-dots span.active { background: var(--accent-bright); }

.lot-body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }

.lot-number {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-bright);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
}

.lot-title {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.lot-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.lot-details {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  flex: 1;
}

.lot-details dt {
  color: var(--text-muted);
  display: inline;
}

.lot-details dd {
  display: inline;
  font-weight: 600;
  margin-left: 0.25rem;
}

.lot-details .row {
  display: flex;
  justify-content: space-between;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border);
}

.lot-details .row:last-child { border-bottom: none; }

.lot-winner {
  color: var(--text-secondary);
  font-family: monospace;
  letter-spacing: 0.05em;
}

.lot-footer { padding: 0 1.25rem 1.25rem; }

.lot-bid-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.lot-bid-form input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
}

.lot-bid-form .btn {
  width: 100%;
}

.lot-bid-form input:focus {
  outline: none;
  border-color: var(--accent);
}

/* ---- Account Page ---- */
.page-header {
  padding: 3rem 0 2rem;
  text-align: center;
}

.page-header h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); margin-bottom: 0.5rem; }
.page-header .divider {
  width: 80px;
  height: 3px;
  background: var(--accent);
  margin: 1rem auto;
  border-radius: 2px;
}

.page-header p { color: var(--text-secondary); max-width: 560px; margin: 0 auto; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  transition: color var(--transition);
}

.back-link:hover { color: var(--accent-bright); }

.account-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
}

.tab-btn:hover { border-color: var(--border-accent); color: var(--text-primary); }

.tab-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-color: transparent;
  color: #fff;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group label .required { color: var(--danger); }

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

.form-group textarea { min-height: 140px; resize: vertical; }

.form-row-split {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0.5rem;
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.form-link {
  color: var(--accent-bright);
  font-size: 0.9rem;
  text-decoration: underline;
}

.form-link:hover { color: var(--accent); }

/* ---- Data Tables ---- */
.data-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th {
  background: var(--bg-elevated);
  padding: 1rem 1.25rem;
  text-align: left;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255, 255, 255, 0.02); }

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-winning { background: var(--accent-subtle); color: var(--accent-bright); }
.badge-outbid { background: var(--danger-bg); color: var(--danger); }
.badge-pending { background: rgba(245, 158, 11, 0.15); color: var(--warning); }

.filter-bar {
  margin-bottom: 1.5rem;
}

.filter-bar label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.filter-bar select {
  width: 100%;
  max-width: 400px;
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
}

/* ---- Auth Pages ---- */
.auth-page {
  min-height: calc(100vh - var(--topbar-height) - var(--header-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  background:
    radial-gradient(ellipse at 20% 50%, var(--accent-glow) 0%, transparent 50%),
    var(--bg-deep);
}

.auth-card {
  width: 100%;
  max-width: 460px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.auth-card h1 {
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: 0.5rem;
}

.auth-card .subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.auth-footer a { color: var(--accent-bright); font-weight: 600; }

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.checkbox-group input { margin-top: 0.2rem; accent-color: var(--accent); }

/* ---- Contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-item .icon {
  width: 48px;
  height: 48px;
  background: var(--accent-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-item h4 { margin-bottom: 0.25rem; }
.contact-item p { color: var(--text-secondary); font-size: 0.9rem; }

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 16/10;
  margin-top: 1rem;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.social-links {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.social-links a {
  width: 44px;
  height: 44px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition);
}

.social-links a:hover {
  background: var(--accent-subtle);
  border-color: var(--accent);
  color: var(--accent-bright);
}

/* ---- FAQ ---- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item.open { border-color: var(--border-accent); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  text-align: left;
  cursor: pointer;
  transition: color var(--transition);
}

.faq-question:hover { color: var(--accent-bright); }

.faq-question .icon {
  font-size: 1.25rem;
  color: var(--accent);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-item.open .faq-question .icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.open .faq-answer { max-height: 300px; }

.faq-answer p {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---- Legal / Terms ---- */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
  color: var(--accent-bright);
}

.legal-content p, .legal-content li {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 0.75rem;
}

.legal-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

/* ---- Footer ---- */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 300px;
}

.footer h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer ul { display: flex; flex-direction: column; gap: 0.5rem; }

.footer a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer a:hover { color: var(--accent-bright); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ---- WhatsApp FAB ---- */
.whatsapp-fab {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 90;
  transition: transform var(--transition);
}

.whatsapp-fab:hover { transform: scale(1.1); }

/* ---- Empty State ---- */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

.empty-state .icon { font-size: 3rem; margin-bottom: 1rem; opacity: 0.5; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .institutional { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .nav.open { display: flex; }

  .nav-toggle { display: block; }

  .header-actions .btn-outline { display: none; }

  .topbar-contact { display: none; }

  .hero { min-height: 70vh; }
  .hero-stats { gap: 1.5rem; }
  .hero-nav { display: none; }

  .form-grid { grid-template-columns: 1fr; }
  .form-row-split { grid-template-columns: 1fr; }

  .auction-header-top { flex-direction: column; }
  .auction-dates { flex-direction: column; gap: 1rem; }

  .lot-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .account-tabs { flex-direction: column; }
  .tab-btn { justify-content: center; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
}