:root {
  color-scheme: light dark;
  --bg: #0f1115;
  --panel: #171a21;
  --border: #2a2e38;
  --text: #e6e8ec;
  --muted: #8a8f9c;
  --accent: #5b8cff;
  --ok: #3ecf8e;
  --warn: #e0a640;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.25rem;
  align-items: center;
  padding: 0.9rem 1.5rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.topnav .brand {
  font-weight: 600;
  margin-right: 0.75rem;
}

.topnav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  padding: 0.4rem;
  border-bottom: 2px solid transparent;
  border-radius: 6px;
}

.topnav a.active { color: var(--accent); border-bottom-color: var(--accent); }
.topnav a.active .nav-icon { color: var(--accent); }

/* Icon-only nav: labels stay in the DOM for screen readers and hover
   tooltips (title/aria-label on each link), just not shown visually. */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nav-label {
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
}
.topnav .brand .nav-label { font-weight: 600; }

.nav-icon {
  width: 21px;
  height: 21px;
  flex-shrink: 0;
}
.topnav .brand .nav-icon { width: 22px; height: 22px; color: var(--accent); }

.content {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

h1 { font-size: 1.4rem; margin-bottom: 0.25rem; }

.muted { color: var(--muted); font-size: 0.9rem; }

.banner {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin: 1rem 0;
  font-size: 0.9rem;
}
.banner-success { background: rgba(62, 207, 142, 0.12); border: 1px solid var(--ok); }
.banner-warn { background: rgba(224, 166, 64, 0.12); border: 1px solid var(--warn); }
.banner-error { background: rgba(224, 95, 95, 0.12); border: 1px solid #e05f5f; }
.banner.no-radius { border-radius: 0; margin: 0; text-align: center; }

.login-wrap { max-width: 320px; margin: 3rem auto 0; }
.login-wrap .form-row { border-bottom: none; }

.nav-logout { margin-left: auto; }
.nav-logout-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.35rem 0.8rem;
  font-size: 0.82rem;
}

.settings-form { margin-top: 1.5rem; }

.form-row {
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.form-row label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.form-row input {
  width: 100%;
  padding: 0.55rem 0.7rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.92rem;
}

.field-help { color: var(--muted); font-size: 0.8rem; margin: 0.35rem 0 0; }

.badge {
  font-size: 0.7rem;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-weight: 600;
}
.badge-ok { background: rgba(62, 207, 142, 0.15); color: var(--ok); }
.badge-missing { background: rgba(224, 166, 64, 0.15); color: var(--warn); }

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.65rem 1.4rem;
  border-radius: 6px;
  font-size: 0.92rem;
  cursor: pointer;
}

.coin-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 0.9rem;
}

.dashboard-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.dashboard-columns h2 { margin-top: 0; font-size: 0.95rem; }

.coin-card-compact { padding: 0.7rem 0.9rem; margin-bottom: 0.5rem; }
.coin-link { display: block; color: inherit; text-decoration: none; }
.coin-link .muted { margin: 0.2rem 0 0; font-size: 0.8rem; }

/* Presets: two source columns (Telegram | GMGN). Content-heavy cards, so stack
   on narrower screens rather than cram. */
.preset-board { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; align-items: start; }
.preset-board-col { min-width: 0; }
.preset-board-col .page-header { margin-bottom: 0.75rem; }
@media (max-width: 600px) {
  .preset-board { gap: 0.4rem; }
  .preset-board-col .page-header h2 { font-size: 0.85rem; }
  .preset-board .coin-card { padding: 0.6rem 0.7rem; }
}

/* Preset editor: one filter per line — label left, Min/Max on the same line right. */
/* Compact multi-column filter grid so a long field list stays small. */
.filter-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
               gap: 0.3rem 0.9rem; margin-bottom: 0.8rem; }
.filter-cell { display: flex; align-items: center; gap: 0.4rem; }
.filter-name { flex: 1; font-size: 0.8rem; color: var(--text); min-width: 0;
               white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.filter-cell .filter-inputs { display: flex; gap: 0.3rem; flex-shrink: 0; margin-left: 0; }
.filter-cell .filter-inputs input { width: 4.2rem; padding: 0.2rem 0.35rem; font-size: 0.82rem; }
.filter-cell .filter-inputs input.input-error,
.filter-grid input:invalid { border-color: #e05f5f; background: rgba(224, 95, 95, 0.08); }
.field-error { color: #e05f5f; font-size: 0.85rem; margin: 0.5rem 0 0; }

/* Preset editor: boolean filters as compact inline chips, not one per line. */
.toggle-group { display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; }
.toggle-chip {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.3rem 0.6rem; border: 1px solid var(--border); border-radius: 999px;
  font-size: 0.85rem; white-space: nowrap; cursor: pointer;
}
.toggle-chip input { margin: 0; }

.sort-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem; margin-bottom: 1rem; }
.sort-pill {
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.82rem;
}
.sort-pill.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Coin board: one column per source, ALWAYS side by side (3 columns) — even on
   phones, since comparing sources column-by-column is the whole point. */
.board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
  align-items: start;
}
.board-col { min-width: 0; }
.board-col h2 { margin-top: 0; font-size: 0.9rem; }
details.coin-card-compact > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
details.coin-card-compact > summary::-webkit-details-marker { display: none; }
.board-coin { display: flex; align-items: center; gap: 0.3rem; flex-wrap: wrap; }
.board-coin strong { font-size: 0.9rem; word-break: break-word; }
.board-mc { font-size: 0.75rem; }
.board-time { font-size: 0.68rem; }
.board-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-top: 0.4rem;
  padding-top: 0.4rem;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
}
/* On phones: keep 3 columns but tighten everything so they fit. */
@media (max-width: 600px) {
  .board { gap: 0.35rem; }
  .board-col h2 { font-size: 0.72rem; }
  .board .coin-card-compact { padding: 0.4rem 0.45rem; }
  .board-coin strong { font-size: 0.76rem; }
  .board .pill { padding: 0 0.3rem; font-size: 0.65rem; }
  .board-mc { font-size: 0.66rem; }
  .board-time { font-size: 0.6rem; }
}

/* Stays 2-column even on phones — the two sources are meant to be
   compared side by side, not one requiring a long scroll past the other.
   Only true watch-sized screens fall back to stacking. */
@media (max-width: 340px) {
  .dashboard-columns { grid-template-columns: 1fr; gap: 0; }
}

@media (max-width: 600px) {
  .dashboard-columns { gap: 0.6rem; }
  .dashboard-columns h2 { font-size: 0.85rem; }
  .dashboard-columns .coin-card-compact { padding: 0.5rem 0.6rem; }
  .dashboard-columns .coin-link strong { font-size: 0.85rem; }
  .dashboard-columns .coin-link .muted { font-size: 0.7rem; line-height: 1.3; }
}

.pill {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: rgba(91, 140, 255, 0.15);
  color: var(--accent);
}

.preset-performance-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.page-header a { text-decoration: none; }

.preset-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.preset-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.preset-actions a { color: var(--accent); text-decoration: none; }

.btn-danger {
  background: transparent;
  color: #e05f5f;
  border: 1px solid #e05f5f;
  padding: 0.3rem 0.7rem;
  font-size: 0.8rem;
}

.filter-row { display: flex; flex-direction: column; gap: 0.5rem; }

.filter-inputs {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-left: 1.6rem;
}

.inline-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.inline-label input {
  width: 90px;
  padding: 0.3rem 0.5rem;
}

h2 { font-size: 1.05rem; margin-top: 1.75rem; }

.detail-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin-bottom: 1rem;
}
.detail-table td, .detail-table th {
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.detail-table td:first-child { color: var(--muted); width: 40%; }

.field-score-list {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
  font-size: 0.82rem;
  color: var(--muted);
}

code {
  background: var(--panel);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85rem;
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 1rem;
}
.table-scroll .detail-table { margin-bottom: 0; }

.editable-input {
  width: 90px;
  padding: 0.35rem 0.5rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.92rem;
}

.filter-edit-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  align-items: center;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}
.filter-edit-row:last-child { border-bottom: none; }
.filter-edit-label { min-width: 100%; font-weight: 500; }
.filter-edit-field { display: flex; align-items: center; gap: 0.35rem; font-size: 0.85rem; color: var(--muted); }

.quick-edit {
  margin-top: 0.35rem;
  padding-top: 0.3rem;
  border-top: 1px solid var(--border);
}
.quick-edit summary {
  cursor: pointer;
  color: var(--accent);
  font-size: 0.82rem;
  padding: 0.15rem 0;
}
.quick-edit summary::-webkit-details-marker { color: var(--accent); }
.quick-edit[open] summary { margin-bottom: 0.2rem; }
.quick-edit p.muted { margin: 0.2rem 0 0; font-size: 0.78rem; }

/* AI-Trade: one compact click-to-expand row per strategy (leaderboard + coins in one). */
.strat-item { border: 1px solid var(--border); border-radius: 8px; margin-bottom: 0.3rem; }
.strat-item > summary { cursor: pointer; list-style: none; padding: 0.4rem 0.6rem;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem; font-size: 0.85rem; }
.strat-item > summary::-webkit-details-marker { display: none; }
.strat-item[open] > summary { border-bottom: 1px solid var(--border); }
.strat-item .strat-wr { font-weight: 600; }
.strat-item .strat-desc { font-size: 0.78rem; }
.strat-body { padding: 0.3rem 0.6rem 0.5rem; }
.strat-body .table-scroll { margin-top: 0.3rem; }
.pill-v { background: #5a4a8a; color: #fff; }
@media (max-width: 600px) { .strat-item .strat-desc { flex-basis: 100%; } }

@media (max-width: 600px) {
  .content { padding: 1.25rem 1rem 3rem; }
  .topnav { padding: 0.75rem 1rem; gap: 0.5rem 0.9rem; }

  .page-header { flex-direction: column; align-items: stretch; gap: 0.6rem; }
  .preset-row { flex-direction: column; gap: 0.75rem; }
  .preset-actions { flex-wrap: wrap; }

  .filter-inputs { margin-left: 0; }

  button, .nav-logout-btn, .btn-danger { min-height: 42px; }
  input[type="text"], input[type="number"], input[type="password"], input[type="tel"], .editable-input {
    min-height: 42px;
    font-size: 1rem; /* avoids iOS Safari auto-zoom on focus */
  }
}

/* :hover rules scoped to devices that actually have a pointer capable of hovering.
   Without this guard, touchscreens (no real hover) eat the first tap just entering
   the :hover state and only fire the click/submit on a second tap — this was making
   every button/link with a hover style (Send, Turn ON/OFF, sort pills, coin links)
   need two taps on phone. */
@media (hover: hover) {
  .topnav a:hover { color: var(--text); background: rgba(255, 255, 255, 0.04); }
  .nav-logout-btn:hover { color: var(--text); opacity: 1; }
  button:hover { opacity: 0.9; }
  .coin-link:hover strong { color: var(--accent); }
  .sort-pill:hover { color: var(--text); border-color: var(--accent); }
  details.coin-card-compact > summary:hover strong { color: var(--accent); }
}