/* UX: Align crypto dashboard palette with global tokens */
:root {
  --crypto-bg: var(--surface-0, #020617);
  --crypto-card-bg: var(--surface-1, rgba(15, 23, 42, 0.85));
  --crypto-card-border: var(--surface-border, rgba(148, 163, 184, 0.2));
  --crypto-card-hover: rgba(248, 250, 252, 0.05);
  --crypto-text-primary: var(--text-primary, #f8fafc);
  --crypto-text-secondary: var(--text-secondary, #cbd5f5);
  --crypto-positive: var(--status-success, #34d399);
  --crypto-negative: var(--status-danger, #f87171);
  --crypto-pill-bg: rgba(148, 163, 184, 0.2);
  --crypto-scrollbar: rgba(148, 163, 184, 0.4);
  --crypto-modal-bg: var(--surface-2, rgba(15, 23, 42, 0.95));
  --crypto-overlay: var(--surface-overlay, rgba(2, 6, 23, 0.75));
}

@media (prefers-color-scheme: light) {
  :root {
    --crypto-bg: rgba(226, 232, 240, 0.9);
    --crypto-card-bg: rgba(248, 250, 252, 0.9);
    --crypto-card-border: rgba(100, 116, 139, 0.18);
    --crypto-card-hover: rgba(59, 130, 246, 0.06);
    --crypto-text-primary: #0f172a;
    --crypto-text-secondary: #475569;
    --crypto-pill-bg: rgba(100, 116, 139, 0.12);
    --crypto-modal-bg: #0f172a;
    --crypto-overlay: rgba(15, 23, 42, 0.65);
  }
}

body {
  background-color: var(--crypto-bg);
}

.cryptos-main {
  padding-top: var(--content-gap-top);
  padding-inline: clamp(1.5rem, 4vw, 4rem);
  padding-bottom: var(--content-gap-bottom);
  color: var(--crypto-text-primary);
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.cryptos-hero {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 1100px;
}

.cryptos-hero h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 0;
}

.cryptos-hero p {
  margin: 0;
  color: var(--crypto-text-secondary);
}

.cryptos-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}
.cryptos-actions::before {
  display: none;
}

/* UX: Match primary actions with global accent gradient */
.btn-refresh {
  background: linear-gradient(135deg, var(--accent-primary, #2563eb), var(--accent-secondary, #7c3aed));
  border: none;
  color: #fff;
  font-weight: 600;
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: var(--shadow-lg, 0 10px 25px rgba(37, 99, 235, 0.25));
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-refresh:hover,
.btn-refresh:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(124, 58, 237, 0.35);
}

.btn-refresh:active {
  transform: translateY(0);
}

.search-wrap,
.sort-wrap {
  display: flex;
  align-items: center;
  background: var(--crypto-card-bg);
  border: 1px solid var(--crypto-card-border);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.search-wrap input,
.sort-wrap select {
  background: transparent;
  border: none;
  color: var(--crypto-text-primary);
  font-size: 0.95rem;
  padding: 0.35rem;
  min-width: 190px;
}

.search-wrap input::placeholder {
  color: var(--crypto-text-secondary);
}

.search-wrap input:focus,
.sort-wrap select:focus {
  outline: none;
}

.sort-wrap select {
  appearance: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.cryptos-status {
  min-height: 1.5rem;
}

.status-message {
  background: rgba(248, 250, 252, 0.1);
  border: 1px solid rgba(248, 250, 252, 0.15);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  color: var(--crypto-text-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.status-message[hidden],
.status-message:empty {
  display: none;
}

.cards-grid {
  position: relative;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.cards-grid.empty::after {
  content: "Aucun resultat";
  color: var(--crypto-text-secondary);
  font-size: 1.1rem;
  text-align: center;
  grid-column: 1 / -1;
  padding: 2rem 0;
}

.cards-skeleton {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.cards-skeleton.hidden {
  display: none;
}

.skeleton-card {
  height: 220px;
  border-radius: 20px;
  background: linear-gradient(90deg, rgba(148, 163, 184, 0.12) 25%, rgba(148, 163, 184, 0.18) 37%, rgba(148, 163, 184, 0.12) 63%);
  background-size: 400% 100%;
  animation: shimmer 1.6s ease infinite;
}

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

/* UX: Card styling aligned with shared radius and shadow */
.crypto-card {
  position: relative;
  background: var(--crypto-card-bg);
  border: 1px solid var(--crypto-card-border);
  border-radius: 20px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  box-shadow: var(--shadow-lg, 0 18px 35px rgba(15, 23, 42, 0.35));
  backdrop-filter: blur(12px);
}

.crypto-card:hover,
.crypto-card:focus-visible {
  transform: translateY(-6px);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 25px 45px rgba(37, 99, 235, 0.35);
}

.card-top {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.card-top img {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.5);
}

.coin-names {
  flex: 1 1 auto;
  min-width: 0;
}

.coin-names h3 {
  margin: 0;
  font-size: 1.05rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.coin-names p {
  margin: 0;
  color: var(--crypto-text-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card-price {
  text-align: right;
}

.card-price strong {
  display: block;
  font-size: 1.15rem;
}

.card-price span {
  font-size: 0.85rem;
  color: var(--crypto-text-secondary);
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.badge {
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-weight: 600;
  font-size: 0.85rem;
  background: var(--crypto-pill-bg);
  color: var(--crypto-text-primary);
}

.badge.positive {
  background: rgba(52, 211, 153, 0.18);
  color: var(--crypto-positive);
}

.badge.negative {
  background: rgba(248, 113, 113, 0.18);
  color: var(--crypto-negative);
}

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

.card-sparkline {
  height: 80px;
  position: relative;
}

.card-sparkline canvas {
  position: absolute;
  inset: 0;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--crypto-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 5vw, 3rem);
  z-index: 1000;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.crypto-modal {
  background: var(--crypto-modal-bg);
  color: #fff;
  width: min(960px, 100%);
  border-radius: 24px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: 0 25px 60px rgba(15, 23, 42, 0.5);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  max-height: 90vh;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.2rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.modal-logo {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(148, 163, 184, 0.1);
}

.modal-header h3 {
  margin: 0;
  font-size: 1.5rem;
}

.modal-subtitle {
  margin: 0;
  color: var(--crypto-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
}

.modal-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  padding-bottom: 0.75rem;
}

.modal-tabs button {
  border: none;
  background: none;
  color: var(--crypto-text-secondary);
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
}

.modal-tabs button[aria-selected="true"] {
  color: #fff;
  background: rgba(59, 130, 246, 0.35);
  box-shadow: inset 0 -2px 0 rgba(37, 99, 235, 0.8);
}

.modal-tabs button:hover,
.modal-tabs button:focus-visible {
  color: #fff;
  background: rgba(59, 130, 246, 0.25);
}

.modal-chart {
  position: relative;
  min-height: 320px;
}

.modal-spinner {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.6);
}

.modal-spinner.is-active {
  display: flex;
}

.modal-spinner::after {
  content: "";
  width: 48px;
  height: 48px;
  border: 4px solid rgba(148, 163, 184, 0.35);
  border-top-color: #60a5fa;
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

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

.modal-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin: 0;
}

.modal-stats div {
  background: rgba(15, 23, 42, 0.45);
  padding: 0.85rem 1rem;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.25);
}

.modal-stats dt {
  margin: 0;
  font-size: 0.85rem;
  color: var(--crypto-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.modal-stats dd {
  margin: 0.35rem 0 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.modal-overlay[hidden] {
  display: none;
}

.modal-overlay .crypto-modal {
  overflow-y: auto;
}

.modal-overlay .crypto-modal::-webkit-scrollbar {
  width: 6px;
}

.modal-overlay .crypto-modal::-webkit-scrollbar-thumb {
  background: var(--crypto-scrollbar);
  border-radius: 999px;
}

@media (max-width: 768px) {
  .cryptos-main {
    padding-inline: 1.2rem;
  }

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

  .search-wrap,
  .sort-wrap {
    width: 100%;
    border-radius: 16px;
  }

  .search-wrap input,
  .sort-wrap select {
    min-width: unset;
    width: 100%;
  }

  .crypto-modal {
    padding: 1.5rem;
    border-radius: 18px;
  }
}

@media (max-width: 520px) {
  .cards-grid,
  .cards-skeleton {
    grid-template-columns: 1fr;
  }

  .card-meta {
    flex-direction: column;
    align-items: flex-start;
  }
}

.status-message.status-error {
  background: rgba(248, 113, 113, 0.16);
  border-color: rgba(248, 113, 113, 0.4);
  color: var(--crypto-negative);
}

.status-message.status-info {
  background: rgba(59, 130, 246, 0.16);
  border-color: rgba(59, 130, 246, 0.35);
  color: #bfdbfe;
}

.status-message.status-success {
  background: rgba(52, 211, 153, 0.16);
  border-color: rgba(52, 211, 153, 0.35);
  color: var(--crypto-positive);
}

.status-message button {
  border: none;
  background: rgba(15, 23, 42, 0.3);
  color: inherit;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  cursor: pointer;
}

.status-message button:hover,
.status-message button:focus-visible {
  background: rgba(15, 23, 42, 0.55);
}

.modal-chart-message {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  text-align: center;
  background: rgba(15, 23, 42, 0.65);
  color: var(--crypto-text-primary);
  padding: 1.5rem;
  border-radius: 18px;
}

.modal-chart-message button {
  border: none;
  background: rgba(59, 130, 246, 0.35);
  color: #fff;
  font-weight: 600;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
}

.modal-chart-message button:hover,
.modal-chart-message button:focus-visible {
  background: rgba(37, 99, 235, 0.55);
}

.modal-stats dd.positive {
  color: var(--crypto-positive);
}

.modal-stats dd.negative {
  color: var(--crypto-negative);
}