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

:root {
  --gold: #C9973A;
  --gold-light: #F5E6C3;
  --gold-pale: rgba(201,151,58,0.08);
  --bg: #0E0C09;
  --surface: #161310;
  --surface2: #1E1A14;
  --border: rgba(201,151,58,0.18);
  --border-hover: rgba(201,151,58,0.45);
  --text: #F0E8D6;
  --muted: #8A7F6A;
  --green: #4CAF7D;
  --red: #E05252;
  --green-bg: rgba(76,175,125,0.12);
  --red-bg: rgba(224,82,82,0.12);
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 2.5rem 1.5rem 4rem;
}

/* ── Header ── */
.header { text-align: center; margin-bottom: 3rem; }
.header-ornament {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; margin-bottom: 1rem;
}
.ornament-line { width: 50px; height: 1px; background: var(--gold); opacity: 0.5; }
.ornament-diamond {
  width: 8px; height: 8px;
  background: var(--gold); transform: rotate(45deg);
}
.header h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.6rem, 5vw, 3rem);
  color: var(--gold); font-weight: 700;
  letter-spacing: 0.01em; line-height: 1.15;
}
.header p {
  color: var(--muted); font-size: 0.82rem;
  margin-top: 0.5rem; letter-spacing: 0.1em;
  text-transform: uppercase; font-weight: 300;
}

/* ── Status bar ── */
.status-bar {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 1.2rem;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 100px; padding: 5px 16px;
  font-size: 0.78rem; color: var(--muted);
  max-width: 100%; flex-wrap: wrap; justify-content: center;
}
.live-dot {
  width: 7px; height: 7px;
  border-radius: 50%; background: var(--green); flex-shrink: 0;
}
.live-dot.live { animation: blink 1.8s ease-in-out infinite; }
.live-dot.error { background: var(--red); animation: none; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.25} }

/* ── Countdown ── */
.countdown { font-size: 0.78rem; color: var(--muted); white-space: nowrap; }
.countdown span { color: var(--gold); font-weight: 500; }

/* ── Grid ── */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto 2rem;
}

/* ── Card ── */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 18px; overflow: hidden;
  transition: border-color 0.3s, transform 0.2s;
  display: flex; flex-direction: column;
}
.card:hover { border-color: var(--border-hover); transform: translateY(-2px); }

.card-head {
  padding: 1.25rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: flex-start;
  justify-content: space-between; gap: 8px;
}
.source-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem; color: var(--gold); font-weight: 600;
}
.source-sub { font-size: 0.72rem; color: var(--muted); margin-top: 2px; letter-spacing: 0.04em; }
.source-pill {
  flex-shrink: 0; font-size: 0.65rem;
  padding: 3px 10px; border-radius: 10px;
  border: 1px solid var(--border); color: var(--muted);
  letter-spacing: 0.05em; text-transform: uppercase;
}

.card-body { padding: 1.25rem 1.5rem; flex: 1; }

.price-row {
  display: flex; justify-content: space-between;
  align-items: center; padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  gap: 8px;
}
.price-row:last-child { border-bottom: none; }
.p-label { font-size: 0.82rem; color: var(--muted); flex-shrink: 0; }
.p-val {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem; font-weight: 600; color: var(--text);
  text-align: right;
}
.p-val.gold { color: var(--gold); font-size: 1.5rem; }
.p-val.up   { color: var(--green); }
.p-val.down { color: var(--red); }
.p-unit {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.7rem; color: var(--muted); margin-left: 2px; font-weight: 400;
}

.badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.7rem; padding: 2px 7px; border-radius: 8px;
  margin-left: 5px; font-weight: 500; font-family: 'DM Sans', sans-serif;
}
.badge.up   { background: var(--green-bg); color: var(--green); }
.badge.down { background: var(--red-bg);   color: var(--red); }
.badge.live { background: var(--green-bg); color: var(--green); }
.badge.na   { background: rgba(255,255,255,0.05); color: var(--muted); }

.card-foot {
  padding: 0.8rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; align-items: center;
}
.upd-time { font-size: 0.7rem; color: var(--muted); }

/* ── Error state ── */
.error-msg {
  font-size: 0.8rem; color: var(--red);
  padding: 1rem 0; text-align: center; font-style: italic;
}

/* ── Skeleton loader ── */
.skel {
  height: 1.35rem; border-radius: 4px;
  background: linear-gradient(90deg, var(--surface2) 25%, rgba(255,255,255,0.04) 50%, var(--surface2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  width: 120px; display: inline-block;
}
@keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* ── Bottom bar ── */
.refresh-wrap {
  display: flex; gap: 10px;
  justify-content: center; flex-wrap: wrap;
  margin-top: 1rem; padding: 0 1rem;
}
.refresh-btn {
  background: transparent; border: 1px solid var(--border);
  color: var(--gold); font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem; padding: 8px 22px; border-radius: 100px;
  cursor: pointer; letter-spacing: 0.06em; text-transform: uppercase;
  transition: background 0.2s, border-color 0.2s;
  text-decoration: none; display: inline-flex; align-items: center; gap: 6px;
}
.refresh-btn:hover { background: var(--gold-pale); border-color: var(--border-hover); }
.refresh-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ════════════════════════════════════════
   RESPONSIVE BREAKPOINTS
   ════════════════════════════════════════ */

/* Tablet — 900px */
@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
}

/* Keep 3 columns only above 900px — already handled above */
@media (min-width: 901px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
}

/* Tablet small — 640px */
@media (max-width: 640px) {
  body { padding: 1.5rem 1rem 3rem; }
  .header { margin-bottom: 2rem; }
  .grid { grid-template-columns: 1fr; gap: 1rem; }

  .card-head { padding: 1rem 1.2rem 0.85rem; }
  .card-body { padding: 1rem 1.2rem; }
  .card-foot { padding: 0.7rem 1.2rem; }

  .source-name { font-size: 1rem; }
  .p-val       { font-size: 1.2rem; }
  .p-val.gold  { font-size: 1.35rem; }

  .refresh-wrap { flex-direction: column; align-items: center; }
  .refresh-btn  { width: 100%; max-width: 300px; justify-content: center; }
}

/* Mobile — 420px */
@media (max-width: 420px) {
  body { padding: 1rem 0.75rem 2.5rem; }

  .header h1 { font-size: 1.5rem; }
  .status-bar { font-size: 0.72rem; padding: 5px 12px; gap: 6px; }

  .card { border-radius: 14px; }
  .card-head { padding: 0.9rem 1rem 0.75rem; }
  .card-body { padding: 0.9rem 1rem; }
  .card-foot { padding: 0.65rem 1rem; }

  .source-name  { font-size: 0.95rem; }
  .source-sub   { font-size: 0.68rem; }
  .p-label      { font-size: 0.78rem; }
  .p-val        { font-size: 1.1rem; }
  .p-val.gold   { font-size: 1.25rem; }
  .p-unit       { font-size: 0.65rem; }
  .badge        { font-size: 0.65rem; padding: 2px 6px; }

  .skel { width: 90px; }
}