@import url('https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600;700&family=Hanken+Grotesk:wght@600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --alvar-primary: #0016e5;
  --alvar-primary-container: #2e3eff;
  --alvar-primary-container-tint: rgba(46, 62, 255, 0.12);
  --alvar-on-primary: #ffffff;
  --alvar-secondary: #0f172a;
  --alvar-neutral: #64748b;
  --alvar-surface: #0b1c30;
  --alvar-card-bg: #132238;
  --alvar-card-border: #1e3352;
  --alvar-text: #f8f9ff;
  --alvar-text-muted: #94a3b8;
  --alvar-gold: #ffb800;
  --alvar-success: #10b981;
  --alvar-red: #ef4444;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--alvar-surface);
  color: var(--alvar-text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
  padding-bottom: 80px;
}

h1, h2, h3, h4, h5, h6, .brand-title, .hero-title, .auction-title {
  font-family: 'Hanken Grotesk', sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
}

#root {
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
  margin: 0 auto;
}

@media (min-width: 600px) {
  #root {
    max-width: 480px;
  }
}

.header {
  background: linear-gradient(180deg, #071322 0%, var(--alvar-surface) 100%);
  padding: 1.25rem 1rem 1rem 1rem;
  border-bottom: 1px solid var(--alvar-card-border);
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo-img {
  max-height: 28px;
  filter: brightness(0) invert(1);
}

.brand-badge {
  background: var(--alvar-primary-container);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 9999px;
  text-transform: uppercase;
  font-family: 'Geist', sans-serif;
  letter-spacing: 0.5px;
}

.user-pill {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--alvar-card-border);
  padding: 5px 12px;
  border-radius: 9999px;
  font-size: 0.75rem;
  color: var(--alvar-text-muted);
  font-family: 'Geist', sans-serif;
}

.hero-banner {
  margin: 1rem;
  background: linear-gradient(135deg, #0016e5 0%, #2e3eff 100%);
  border-radius: 1rem;
  padding: 1.2rem 1.25rem;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 22, 229, 0.25);
}

.hero-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.hero-desc {
  font-size: 0.82rem;
  opacity: 0.95;
  line-height: 1.35;
  font-family: 'Inter', sans-serif;
}

.section-header {
  padding: 0 1rem;
  margin: 1.25rem 0 0.75rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-title {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--alvar-text-muted);
  font-family: 'Geist', sans-serif;
}

.auction-list {
  padding: 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.auction-card {
  background: var(--alvar-card-bg);
  border: 1px solid var(--alvar-card-border);
  border-radius: 1rem;
  padding: 1.15rem;
  transition: transform 0.15s ease, border-color 0.15s ease;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.auction-card:active {
  transform: scale(0.985);
  border-color: var(--alvar-primary-container);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.auction-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
}

.tier-badge {
  background: var(--alvar-primary-container-tint);
  color: #d4d5ff;
  border: 1px solid rgba(46, 62, 255, 0.4);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 9999px;
  font-family: 'Geist', sans-serif;
}

.card-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  background: rgba(0,0,0,0.3);
  border-radius: 0.5rem;
  padding: 0.65rem;
  margin-bottom: 0.85rem;
}

.metric-item {
  text-align: center;
}

.metric-lbl {
  font-size: 0.65rem;
  color: var(--alvar-text-muted);
  text-transform: uppercase;
  font-family: 'Geist', sans-serif;
}

.metric-val {
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
  font-family: 'Geist', sans-serif;
}

.countdown-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
  font-size: 0.8rem;
  color: var(--alvar-gold);
  font-family: 'Geist', sans-serif;
}

.btn-bid {
  width: 100%;
  background: var(--alvar-primary-container);
  color: #fff;
  border: none;
  border-radius: 0.5rem;
  padding: 0.85rem;
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-family: 'Geist', sans-serif;
  transition: all 0.2s ease;
}

.btn-bid:hover {
  background: var(--alvar-primary);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.85);
  display: none;
  justify-content: center;
  align-items: flex-end;
  z-index: 999;
}

.modal-overlay.active {
  display: flex;
}

.bottom-sheet {
  background: var(--alvar-card-bg);
  border-top: 3px solid var(--alvar-primary-container);
  border-radius: 1.25rem 1.25rem 0 0;
  width: 100%;
  max-width: 480px;
  padding: 1.5rem;
  box-shadow: 0 -10px 35px rgba(0,0,0,0.6);
  animation: slideUp 0.25s ease-out;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.input-field {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--alvar-card-border);
  color: #fff;
  padding: 0.85rem 1rem;
  border-radius: 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  outline: none;
  font-family: 'Geist', sans-serif;
}

.input-field:focus {
  border-color: var(--alvar-primary-container);
}

.badge-unique {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.4);
  border-radius: 9999px;
  padding: 3px 10px;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: 'Geist', sans-serif;
  letter-spacing: 0.5px;
}

.badge-duplicate {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
  border-radius: 9999px;
  padding: 3px 10px;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: 'Geist', sans-serif;
  letter-spacing: 0.5px;
}

.my-bid-card {
  background: var(--alvar-card-bg);
  border: 1px solid var(--alvar-card-border);
  border-radius: 1rem;
  padding: 1.15rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.my-bid-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
}

.my-bid-amount {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  font-family: 'Geist', sans-serif;
}

.my-bid-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--alvar-text-muted);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 0.6rem;
  margin-top: 0.6rem;
}

/* Bottom Nav */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #071322;
  border-top: 1px solid var(--alvar-card-border);
  display: flex;
  justify-content: space-around;
  padding: 0.65rem 0;
  z-index: 100;
}

.nav-link {
  color: var(--alvar-text-muted);
  text-decoration: none;
  font-size: 0.7rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-family: 'Geist', sans-serif;
}

.nav-link.active {
  color: var(--alvar-primary-container);
}