/* ── Earth Crypto Mini App ─────────────────────────────────────────
   Dark, Telegram-native theme. Colors adapt to Telegram theme params
   but fall back to a consistent dark palette outside Telegram.
   ───────────────────────────────────────────────────────────────── */

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --card: #1c2129;
  --card-2: #21262e;
  --border: #2a2f38;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #3f9ef0;
  --accent-2: #2f81f7;
  --green: #3fb950;
  --green-bg: rgba(63, 185, 80, 0.12);
  --red: #f85149;
  --red-bg: rgba(248, 81, 73, 0.12);
  --gold: #e3b341;
  --header-h: 58px;
  --tabbar-h: 62px;
  --radius: 16px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

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

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Vazirmatn", "Tahoma", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.45;
  overscroll-behavior: none;
}

body[dir="rtl"] {
  font-family: "Vazirmatn", "Tahoma", "Segoe UI", -apple-system, sans-serif;
}

#app {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  padding-bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom));
}

.hidden { display: none !important; }

/* ── Header ─────────────────────────────────────────────────────── */
#app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: calc(var(--header-h) + env(safe-area-inset-top));
  padding: env(safe-area-inset-top) 14px 0;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }

.logo {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  font-size: 21px;
  background: linear-gradient(135deg, #1f6feb, #6e40c9);
  border-radius: 12px;
  box-shadow: var(--shadow);
  flex: none;
}

.brand-name { font-weight: 800; font-size: 16px; letter-spacing: -0.2px; }
.brand-sub { color: var(--muted); font-size: 11.5px; margin-top: 1px; }

.header-actions { display: flex; gap: 8px; }

.icon-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  width: 38px; height: 38px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  display: grid; place-items: center;
  transition: transform 0.08s ease, background 0.15s ease;
}
.icon-btn:active { transform: scale(0.94); background: var(--card-2); }

/* ── Main / tabs ────────────────────────────────────────────────── */
#main { flex: 1; padding: 14px; padding-bottom: 8px; }

.tab { display: none; }
.tab.active { display: block; }

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset;
}

.section-title {
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
  margin: 18px 4px 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Search */
.search-wrap { position: relative; margin-bottom: 12px; }
.search-wrap input {
  width: 100%;
  padding: 11px 14px 11px 38px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 14px;
  outline: none;
}
.search-wrap input:focus { border-color: var(--accent); }
.search-ic {
  position: absolute;
  inset-inline-start: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 15px;
  pointer-events: none;
}

/* ── Price rows ─────────────────────────────────────────────────── */
.coin-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 8px;
  transition: background 0.12s ease;
}
.coin-row:active { background: var(--card-2); }

.coin-icon {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  font-size: 19px;
  background: var(--card-2);
  border-radius: 50%;
  flex: none;
}

.coin-info { flex: 1; min-width: 0; }
.coin-name { font-weight: 700; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.coin-sym { font-size: 11.5px; color: var(--muted); }

.coin-price-col { text-align: end; flex: none; }
.coin-price { font-weight: 800; font-size: 14.5px; font-variant-numeric: tabular-nums; }

.chg-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  margin-top: 3px;
  font-variant-numeric: tabular-nums;
}
.chg-badge.up   { color: var(--green); background: var(--green-bg); }
.chg-badge.down { color: var(--red);   background: var(--red-bg); }
.chg-badge.flat { color: var(--muted); background: var(--card-2); }

/* Sparkline */
.spark { width: 58px; height: 30px; flex: none; }
.spark polyline { fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ── Summary cards ──────────────────────────────────────────────── */
.hero-card {
  background: linear-gradient(135deg, #1c2633, #241f3a);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}
.hero-label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.hero-value { font-size: 26px; font-weight: 800; margin-top: 4px; font-variant-numeric: tabular-nums; }
.hero-sub { font-size: 13px; margin-top: 5px; font-weight: 700; }

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
}
.stat-label { font-size: 11.5px; color: var(--muted); margin-bottom: 4px; }
.stat-value { font-size: 16px; font-weight: 800; font-variant-numeric: tabular-nums; }

/* ── Donut + bars ───────────────────────────────────────────────── */
.donut-wrap { display: flex; align-items: center; gap: 16px; }
.donut {
  width: 92px; height: 92px;
  border-radius: 50%;
  flex: none;
  background: conic-gradient(var(--accent) 0deg, var(--border) 0deg);
  display: grid; place-items: center;
}
.donut::before {
  content: "";
  width: 60px; height: 60px;
  background: var(--card);
  border-radius: 50%;
}
.donut-legend { flex: 1; min-width: 0; }
.legend-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  padding: 3px 0;
}
.legend-dot { width: 9px; height: 9px; border-radius: 3px; flex: none; }
.legend-name { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.legend-pct { font-weight: 700; font-variant-numeric: tabular-nums; }

.bar-track {
  height: 10px;
  background: var(--card-2);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 6px;
}
.bar-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--accent);
  width: 0%;
  transition: width 0.5s ease;
}

/* ── Fear & Greed gauge ─────────────────────────────────────────── */
.fng-scale {
  position: relative;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, #f85149, #f0883e, #e3b341, #3fb950);
  overflow: hidden;
}
.fng-marker {
  position: absolute;
  top: -3px;
  width: 4px;
  height: 20px;
  border-radius: 4px;
  background: #fff;
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.55);
  transition: left 0.6s ease;
}
.fng-row { display: flex; justify-content: space-between; margin-top: 8px; }
.fng-label { font-size: 13px; color: var(--muted); }
.fng-value { font-size: 20px; font-weight: 800; }

/* ── Trending rows ──────────────────────────────────────────────── */
.trend-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 8px;
}
.trend-rank {
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 8px;
  background: var(--card-2);
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  flex: none;
}
.trend-icon {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--card-2);
  display: grid; place-items: center;
  font-size: 17px;
  flex: none;
  overflow: hidden;
}
.trend-info { flex: 1; min-width: 0; }
.trend-name { font-weight: 700; font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.trend-sym { font-size: 11.5px; color: var(--muted); }

/* ── Portfolio rows ─────────────────────────────────────────────── */
.pf-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 8px;
}
.pf-info { flex: 1; min-width: 0; }
.pf-sym { font-weight: 800; font-size: 14.5px; }
.pf-meta { font-size: 12px; color: var(--muted); margin-top: 2px; }
.pf-val { text-align: end; flex: none; }
.pf-amount { font-weight: 700; font-size: 14px; font-variant-numeric: tabular-nums; }
.pf-pnl { font-size: 12.5px; font-weight: 700; margin-top: 3px; font-variant-numeric: tabular-nums; }
.pf-pnl.up   { color: var(--green); }
.pf-pnl.down { color: var(--red); }
.pf-pnl.flat { color: var(--muted); }

/* ── Alerts ─────────────────────────────────────────────────────── */
.alert-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 8px;
}
.alert-info { flex: 1; min-width: 0; }
.alert-head { display: flex; align-items: center; gap: 8px; }
.alert-sym { font-weight: 800; font-size: 14.5px; }
.alert-tag {
  font-size: 10.5px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
}
.alert-tag.above { color: var(--green); background: var(--green-bg); }
.alert-tag.below { color: var(--red); background: var(--red-bg); }
.alert-meta { font-size: 12px; color: var(--muted); margin-top: 3px; }
.alert-del {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--card-2);
  color: var(--red);
  width: 34px; height: 34px;
  border-radius: 10px;
  font-size: 16px;
  cursor: pointer;
  flex: none;
}
.alert-del:active { transform: scale(0.92); }
.alert-triggered { margin-top: 6px; }

/* ── Wallets ────────────────────────────────────────────────────── */
.wallet-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 8px;
}
.wallet-ic {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--card-2);
  display: grid; place-items: center;
  font-size: 18px;
  flex: none;
}
.wallet-info { flex: 1; min-width: 0; }
.wallet-addr {
  font-family: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  direction: ltr;
  text-align: start;
}
.wallet-meta { font-size: 12px; color: var(--muted); margin-top: 3px; }
.wallet-val { text-align: end; flex: none; }
.wallet-trx { font-weight: 800; font-size: 14.5px; font-variant-numeric: tabular-nums; }
.wallet-usd { font-size: 11.5px; color: var(--muted); margin-top: 2px; font-variant-numeric: tabular-nums; }

/* ── Empty / error states ───────────────────────────────────────── */
.empty {
  text-align: center;
  color: var(--muted);
  padding: 42px 20px;
}
.empty-ic { font-size: 40px; display: block; margin-bottom: 10px; }
.empty-title { font-weight: 800; color: var(--text); font-size: 15px; margin-bottom: 4px; }
.empty-sub { font-size: 13px; }

.error-box {
  background: var(--red-bg);
  color: var(--red);
  border: 1px solid rgba(248, 81, 73, 0.3);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 12px;
}

/* ── Tab bar ────────────────────────────────────────────────────── */
#tabbar {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: 30;
  display: flex;
  height: calc(var(--tabbar-h) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
}

.tab-btn {
  appearance: none;
  flex: 1;
  background: none;
  border: none;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  cursor: pointer;
  position: relative;
  padding: 6px 0;
}
.tab-btn .ic { font-size: 20px; filter: grayscale(0.4); opacity: 0.75; transition: opacity 0.15s, filter 0.15s; }
.tab-btn .lbl { font-size: 10.5px; font-weight: 700; letter-spacing: 0.2px; }

.tab-btn.active { color: var(--accent); }
.tab-btn.active .ic { filter: none; opacity: 1; }
.tab-btn.active::before {
  content: "";
  position: absolute;
  top: 0;
  width: 28px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--accent);
}

/* ── Toast & loader ─────────────────────────────────────────────── */
#toast {
  position: fixed;
  top: calc(var(--header-h) + env(safe-area-inset-top) + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 50;
  max-width: 86%;
  text-align: center;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

#loader {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--bg) 60%, transparent);
}
.spinner {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── RTL ────────────────────────────────────────────────────────── */
body[dir="rtl"] .coin-price-col,
body[dir="rtl"] .pf-val,
body[dir="rtl"] .wallet-val { text-align: start; }

body[dir="rtl"] .fng-scale,
body[dir="rtl"] .bar-track,
body[dir="rtl"] .spark { direction: ltr; }

body[dir="rtl"] .spark { transform: scaleX(-1); }

/* Small screens */
@media (max-width: 360px) {
  .coin-price { font-size: 13.5px; }
  .spark { display: none; }
}