:root {
  color-scheme: dark;
  font-family: var(--font);
  --font: "Cairo", "Segoe UI", Tahoma, Arial, sans-serif;
  --bg: #07111f;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.14);
  --text: #f8fafc;
  --muted: #9fb0c7;
  --line: rgba(255, 255, 255, 0.14);
  --accent: #38bdf8;
  --gold: #fbbf24;
  --silver: #cbd5e1;
  --danger: #fb7185;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  text-align: right;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.24), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(251, 191, 36, 0.16), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
}

.hidden {
  display: none !important;
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0;
}

.hero {
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.35rem, 7vw, 5.5rem);
  line-height: 1.1;
}

.subtitle {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 26px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.06);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.status {
  margin: 0;
  color: var(--muted);
  transition: opacity 0.4s ease;
}

.status.error {
  color: var(--danger);
}

.status.success {
  color: var(--accent);
}

.status.fade-out {
  opacity: 0;
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  background: var(--accent);
  color: #03101c;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

button:focus-visible,
.price-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

button:disabled {
  cursor: wait;
  opacity: 0.6;
}

.btn-spinner {
  display: none;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(3, 16, 28, 0.25);
  border-top-color: #03101c;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

button:disabled .btn-spinner {
  display: inline-block;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.alerts-btn {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  font-weight: 700;
}

.alerts-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.08);
}

.alerts-btn[data-state="on"] {
  border-color: var(--accent);
  color: var(--accent);
}

.alerts-btn[data-state="blocked"] {
  border-style: dashed;
  color: var(--muted);
}

.bell-icon {
  flex-shrink: 0;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 240px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.price-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 96px rgba(0, 0, 0, 0.4);
}

.price-card.highlight {
  background: linear-gradient(145deg, rgba(56, 189, 248, 0.22), rgba(255, 255, 255, 0.08));
}

.price-card.gold-card {
  background: linear-gradient(145deg, rgba(251, 191, 36, 0.24), rgba(255, 255, 255, 0.08));
}

.price-card.silver-card {
  background: linear-gradient(145deg, rgba(203, 213, 225, 0.22), rgba(255, 255, 255, 0.08));
}

.card-chevron {
  position: absolute;
  top: 18px;
  left: 18px;
  color: var(--muted);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  opacity: 0.7;
}

.card-label {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.price-card h2 {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 1rem;
  font-weight: 700;
}

.price-value {
  margin: auto 0 0;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 900;
  letter-spacing: -0.08em;
  min-height: 1.2em;
}

.price-value.skeleton {
  width: 70%;
  height: 1.1em;
  border-radius: 12px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.08) 0%,
    rgba(255, 255, 255, 0.18) 50%,
    rgba(255, 255, 255, 0.08) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  color: transparent;
  letter-spacing: 0;
}

@keyframes shimmer {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}

.unit {
  display: inline-block;
  margin-top: 8px;
  color: var(--muted);
}

.updated-at {
  margin: 22px 0 0;
  color: var(--muted);
  text-align: right;
}

noscript {
  display: block;
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px;
  color: var(--muted);
  text-align: right;
}

.content-section {
  margin-top: 48px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
}

.content-section h2 {
  margin: 0 0 16px;
  color: var(--text);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 800;
}

.content-section > p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.faq-item {
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.faq-item:first-of-type {
  margin-top: 8px;
  padding-top: 0;
  border-top: 0;
}

.faq-item h3 {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 800;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.site-footer {
  margin-top: 40px;
  padding: 28px 0 8px;
  border-top: 1px solid var(--line);
  text-align: right;
}

.footer-brand {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 1.15rem;
  font-weight: 800;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 12px;
}

.footer-nav a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.footer-nav a:hover {
  text-decoration: underline;
}

.footer-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Detail View */
.detail-view {
  width: min(720px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0;
}

.detail-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
}

.back-btn {
  padding: 10px 22px;
  font-size: 0.95rem;
}

.detail-title {
  margin: 0;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text);
}

.detail-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.detail-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
}

.detail-label {
  color: var(--muted);
  font-size: 1rem;
  font-weight: 600;
}

.detail-value {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

@media (max-width: 860px) {
  .page-shell {
    padding: 32px 0;
  }

  .price-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .detail-view {
    padding: 32px 0;
  }
}

@media (max-width: 580px) {
  .page-shell {
    width: min(100% - 20px, 1120px);
    padding: 22px 0;
  }

  .toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .toolbar-actions button {
    flex: 1;
  }

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

  .price-card {
    min-height: 200px;
  }

  .updated-at {
    text-align: right;
  }

  .detail-view {
    width: min(100% - 20px, 720px);
    padding: 22px 0;
  }

  .detail-header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .detail-row {
    padding: 16px 18px;
  }

  .detail-value {
    font-size: 1.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .price-card {
    transition: none;
  }

  .price-card:hover {
    transform: none;
  }

  .price-value.skeleton {
    animation: none;
    background: rgba(255, 255, 255, 0.12);
  }

  .btn-spinner {
    animation: none;
  }

  .status {
    transition: none;
  }
}