/* ============================================================
   ترکر نرخ ارزها — استایل ریسپانسیو (موبایل و دسکتاپ)
   ============================================================ */

:root {
  --bg-0: #0b0b14;
  --bg-1: #12121f;
  --bg-2: #171730;
  --card: rgba(255, 255, 255, 0.045);
  --card-strong: rgba(255, 255, 255, 0.07);
  --stroke: rgba(255, 255, 255, 0.09);
  --stroke-strong: rgba(255, 255, 255, 0.16);
  --text-0: #f5f6ff;
  --text-1: #c7c9e0;
  --text-2: #8f92b3;
  --accent: #8b5cf6;
  --accent-2: #a855f7;
  --cyan: #22d3ee;
  --green: #34d399;
  --red: #f87171;
  --amber: #fbbf24;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.75);
  --font: "Vazirmatn", system-ui, -apple-system, "Segoe UI", Tahoma, sans-serif;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 80% -10%, #1d1740 0%, transparent 55%),
    radial-gradient(900px 500px at -10% 20%, #10203a 0%, transparent 50%),
    linear-gradient(160deg, var(--bg-0), var(--bg-1) 55%, var(--bg-2));
  background-attachment: fixed;
  color: var(--text-0);
  min-height: 100dvh;
  line-height: 1.7;
  overflow-x: hidden;
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(240px 240px at 15% 25%, rgba(139, 92, 246, 0.16), transparent 70%),
    radial-gradient(260px 260px at 85% 70%, rgba(34, 211, 238, 0.10), transparent 70%);
  z-index: 0;
}

.app {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1024px;
  margin: 0 auto;
  padding: calc(14px + env(safe-area-inset-top)) 14px
    calc(24px + env(safe-area-inset-bottom));
}

/* ---------------- header ---------------- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  animation: rise 0.5s ease both;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-logo {
  font-size: 30px;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.35), rgba(34, 211, 238, 0.22));
  border: 1px solid var(--stroke-strong);
  border-radius: 16px;
  box-shadow: var(--shadow);
  flex: none;
}

.brand-text h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  background: linear-gradient(120deg, #c084fc, #818cf8 55%, #67e8f9);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  white-space: nowrap;
}

.subtitle {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--text-2);
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: 999px;
  font-size: 12px;
  color: var(--text-1);
  max-width: 45%;
}

.avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  color: #0b0b14;
  font-weight: 700;
  font-size: 13px;
  flex: none;
}

.user-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------------- stats ---------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  padding: 14px 10px;
  text-align: center;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  animation: rise 0.5s ease both;
}

.stat-card:nth-child(2) { animation-delay: 0.07s; }
.stat-card:nth-child(3) { animation-delay: 0.14s; }

.stat-icon {
  font-size: 20px;
  margin-bottom: 4px;
}

.stat-value {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-0);
  font-variant-numeric: tabular-nums;
}

.stat-value.accent {
  color: var(--green);
  animation: pulse 2.2s ease-in-out infinite;
}

.stat-label {
  font-size: 11.5px;
  color: var(--text-2);
}

/* ---------------- panel ---------------- */
.panel {
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  animation: rise 0.55s ease both;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.panel-head h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.countdown {
  font-size: 12px;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

.search-row {
  margin-bottom: 12px;
}

.search-row input {
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--stroke);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text-0);
  font-family: var(--font);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-row input:focus {
  border-color: rgba(139, 92, 246, 0.65);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.18);
}

.search-row input::placeholder {
  color: var(--text-2);
}

/* ---------------- buttons ---------------- */
.btn {
  min-height: 44px;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  touch-action: manipulation;
  transition: transform 0.15s ease, filter 0.2s ease, background 0.2s ease;
  text-decoration: none;
  color: var(--text-0);
}

.btn:active {
  transform: scale(0.96);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 10px 24px -12px rgba(139, 92, 246, 0.9);
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #f97316);
  color: #fff;
}

.btn-ghost {
  background: var(--card);
  border-color: var(--stroke);
  color: var(--text-1);
  flex: 1;
}

.btn-ghost:hover {
  background: var(--card-strong);
}

/* ---------------- banners / states ---------------- */
.banner {
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 12px;
  border: 1px solid transparent;
}

.banner-warn {
  background: rgba(251, 191, 36, 0.12);
  border-color: rgba(251, 191, 36, 0.4);
  color: #fde68a;
}

.error-box,
.empty-state {
  text-align: center;
  padding: 34px 12px;
  color: var(--text-1);
}

.error-icon,
.empty-icon {
  font-size: 40px;
  margin-bottom: 8px;
}

.error-box p,
.empty-state p {
  margin: 0 0 16px;
  font-size: 14px;
}

.skeleton {
  display: grid;
  gap: 10px;
}

.sk-row {
  height: 58px;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.05) 25%, rgba(255, 255, 255, 0.12) 37%, rgba(255, 255, 255, 0.05) 63%);
  background-size: 400% 100%;
  animation: shimmer 1.4s ease infinite;
}

/* ---------------- desktop table ---------------- */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--stroke);
}

.rates-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

.rates-table thead th {
  text-align: right;
  font-size: 13px;
  font-weight: 700;
  color: #d8d4ff;
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.22), rgba(34, 211, 238, 0.12));
  padding: 13px 16px;
  white-space: nowrap;
}

.rates-table tbody td {
  padding: 13px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 14px;
  white-space: nowrap;
}

.rates-table tbody tr {
  transition: background 0.2s ease, transform 0.2s ease;
}

.rates-table tbody tr:hover {
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.14), rgba(34, 211, 238, 0.07));
}

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

.coin-badge {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 14px;
  color: #1b1030;
  background: linear-gradient(135deg, #fbbf24, #f97316);
  flex: none;
}

.coin-name {
  font-weight: 700;
  text-transform: uppercase;
}

.coin-sub {
  font-size: 11px;
  color: var(--text-2);
}

.price {
  font-weight: 700;
  color: var(--green);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
}

.price-sub {
  font-size: 11px;
  color: var(--text-2);
}

.change {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.change.up { color: var(--green); }
.change.down { color: var(--red); }
.change.flat { color: var(--text-2); }

.traditional {
  font-size: 13px;
  color: var(--text-1);
  font-variant-numeric: tabular-nums;
}

/* ---------------- mobile cards ---------------- */
.cards {
  display: grid;
  gap: 12px;
}

.rate-card {
  background: var(--card-strong);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  padding: 14px;
  transition: transform 0.2s ease, border-color 0.2s ease;
  animation: rise 0.4s ease both;
}

.rate-card:active {
  transform: scale(0.99);
}

.rate-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.badge {
  font-size: 11.5px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(52, 211, 153, 0.14);
  color: var(--green);
  border: 1px solid rgba(52, 211, 153, 0.35);
  white-space: nowrap;
}

.rate-card-body {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 10px;
}

.rate-card-body .price {
  font-size: 19px;
}

.mini-row {
  display: flex;
  gap: 14px;
  font-size: 12px;
  color: var(--text-2);
}

/* ---------------- footer ---------------- */
.panel-foot {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-2);
}

.source {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.noscript {
  text-align: center;
  color: var(--amber);
  font-size: 13px;
}

/* ---------------- toast ---------------- */
.toast {
  position: fixed;
  bottom: calc(18px + env(safe-area-inset-bottom));
  right: 50%;
  transform: translateX(50%);
  background: rgba(20, 20, 35, 0.96);
  border: 1px solid var(--stroke-strong);
  color: var(--text-0);
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 13.5px;
  z-index: 50;
  box-shadow: var(--shadow);
  animation: rise 0.3s ease both;
  max-width: calc(100% - 32px);
  text-align: center;
}

/* ---------------- helpers ---------------- */
.live-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7);
  animation: ping 1.8s ease-out infinite;
}

.desktop-only { display: block; }
.mobile-only { display: none; }

[hidden] {
  display: none !important;
}

/* ---------------- animations ---------------- */
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

/* ---------------- responsive ---------------- */
@media (max-width: 768px) {
  .desktop-only { display: none !important; }
  .mobile-only { display: grid !important; }

  .panel { padding: 14px 12px; }
  .brand-logo { width: 46px; height: 46px; font-size: 26px; }
  .brand-text h1 { font-size: 17px; }
  .stats { gap: 8px; }
  .stat-card { padding: 11px 6px; }
  .stat-value { font-size: 16px; }
  .stat-label { font-size: 10.5px; }
  .btn { padding: 9px 14px; font-size: 13.5px; }
  .user-chip { max-width: 40%; }
}

@media (max-width: 420px) {
  .stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .stat-icon { font-size: 17px; }
  .brand-text h1 { font-size: 15.5px; }
  .subtitle { font-size: 11px; }
  .panel-head h2 { font-size: 14.5px; }
  .rate-card-body { flex-direction: column; align-items: flex-start; }
}

@media (min-width: 769px) {
  .app { padding-top: 26px; }
  .panel { padding: 22px; }
  .panel-head h2 { font-size: 18px; }
  .brand-text h1 { font-size: 23px; }
  .subtitle { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}