/* src/ui/styles.css
 * ClaimApp — dark theme by default, light fallback via prefers-color-scheme.
 * Pure CSS, no build step, no external fonts.
 */

:root {
  --bg: #0b0d12;
  --bg-elev: #141820;
  --bg-hover: #1b202a;
  --border: #242a36;
  --text: #e6e9ef;
  --text-dim: #9199a8;
  --muted: #6b7280;
  --accent: #7ee787;
  --accent-hover: #9bf0a2;
  --danger: #ff6b6b;
  --warn: #ffd166;
  --success: #7ee787;
  --info: #6bb6ff;
  --radius: 10px;
  --radius-sm: 6px;
  --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
  --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f9fc;
    --bg-elev: #ffffff;
    --bg-hover: #eef2f7;
    --border: #d8dee7;
    --text: #0d1117;
    --text-dim: #4a5568;
    --muted: #6b7280;
    --accent: #0f9c4b;
    --accent-hover: #0b7a39;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-elev);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* ===== Header ===== */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { margin: 0; font-size: 22px; font-weight: 600; }
.logo-mark { color: var(--accent); font-size: 24px; }
.tag {
  color: var(--text-dim);
  font-size: 13px;
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
}
.app-nav { display: flex; align-items: center; gap: 14px; }
.app-nav a { color: var(--text-dim); font-size: 14px; }
.nav-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  width: 32px;
  height: 32px;
  font-size: 16px;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 120ms, color 120ms;
}
.nav-btn:hover { border-color: var(--accent); color: var(--text); }
.nav-btn.active { border-color: var(--accent); color: var(--accent); }

/* ===== Settings panel ===== */
.settings-card { background: var(--bg-elev); }
.settings-section { margin-top: 20px; }
.settings-section:first-of-type { margin-top: 0; }
.settings-section h3 {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 10px 0;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.settings-section .row { align-items: center; }
.settings-section input[type="text"] { flex: 1; margin-bottom: 0; }
.settings-section .muted.small { font-size: 12px; margin-top: 10px; }
.settings-status {
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  min-height: 0;
}
.settings-status:empty { display: none; }
.settings-status.success {
  background: rgba(126, 231, 135, 0.08);
  border: 1px solid rgba(126, 231, 135, 0.3);
  color: var(--success);
}
.settings-status.error {
  background: rgba(255, 107, 107, 0.08);
  border: 1px solid rgba(255, 107, 107, 0.3);
  color: var(--danger);
}
.rpc-stats {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  overflow-x: auto;
}
.rpc-stats table { width: 100%; border-collapse: collapse; }
.rpc-stats th, .rpc-stats td {
  text-align: left;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
}
.rpc-stats th { color: var(--text-dim); font-weight: 600; }
.rpc-stats tr:last-child td { border-bottom: none; }
.rpc-stats .stat-ok { color: var(--success); }
.rpc-stats .stat-err { color: var(--danger); }
.rpc-stats .stat-rl { color: var(--warn); }

/* ===== Main ===== */
.app-main {
  max-width: 920px;
  margin: 0 auto;
  padding: 24px;
}

/* ===== Cards ===== */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.card-header h2 { margin: 0 0 6px 0; font-size: 18px; font-weight: 600; }
.card-header { margin-bottom: 16px; }
.muted { color: var(--text-dim); font-size: 14px; margin: 0; }

/* ===== THRYX sponsor strip =====
 * Clickable ad for the sister product. Static link — no tracking.
 * Styled as a subtle, auditable Google-Ads-style strip: clearly labeled
 * "Sponsored", non-intrusive, but unambiguous as an ad. */
.thryx-ad {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: linear-gradient(135deg, rgba(126, 231, 135, 0.06), rgba(107, 182, 255, 0.06));
  border: 1px solid rgba(126, 231, 135, 0.25);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  margin-bottom: 20px;
  transition: transform 120ms, border-color 120ms, background 120ms;
  position: relative;
  overflow: hidden;
}
.thryx-ad:hover {
  text-decoration: none;
  border-color: rgba(126, 231, 135, 0.6);
  background: linear-gradient(135deg, rgba(126, 231, 135, 0.1), rgba(107, 182, 255, 0.1));
  transform: translateY(-1px);
}
.thryx-ad-label {
  position: absolute;
  top: 6px;
  right: 10px;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.thryx-ad-mark { flex-shrink: 0; }
.thryx-ad-copy { flex: 1; min-width: 0; }
.thryx-ad-headline {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 2px;
}
.thryx-ad-free {
  background: linear-gradient(135deg, var(--accent), var(--info));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 700;
}
.thryx-ad-sub {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.4;
}
.thryx-ad-cta {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--accent);
  color: #0b0d12;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background 120ms;
}
.thryx-ad:hover .thryx-ad-cta { background: var(--accent-hover); }
.thryx-credit {
  color: var(--accent);
  font-weight: 600;
}

@media (max-width: 600px) {
  .thryx-ad { flex-direction: column; align-items: flex-start; gap: 10px; padding-top: 22px; }
  .thryx-ad-mark { display: none; }
  .thryx-ad-cta { align-self: stretch; justify-content: center; }
}

/* ===== Banner ===== */
.banner {
  padding: 14px 18px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-size: 14px;
  line-height: 1.5;
}
.security-banner {
  background: linear-gradient(135deg, rgba(126, 231, 135, 0.08), rgba(107, 182, 255, 0.08));
  border: 1px solid rgba(126, 231, 135, 0.3);
  color: var(--text);
}
.banner-link { font-weight: 500; }

/* ===== Tabs ===== */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.tab {
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-family: inherit;
}
.tab:hover { color: var(--text); }
.tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ===== Inputs ===== */
input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  margin-bottom: 12px;
}
input[type="text"]:focus,
input[type="password"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(126, 231, 135, 0.15);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 120ms, border-color 120ms, transform 50ms;
}
.btn:hover { background: var(--bg-hover); border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.primary { background: var(--accent); color: #0b0d12; border-color: var(--accent); font-weight: 600; }
.btn.primary:hover { background: var(--accent-hover); }
.btn.success { background: transparent; border-color: var(--success); color: var(--success); }
.btn.success:hover { background: rgba(126, 231, 135, 0.1); }
.btn.ghost { background: transparent; border-color: var(--border); }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn.large { padding: 12px 24px; font-size: 15px; }

/* ===== Layout helpers ===== */
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.checkbox { display: flex; align-items: center; gap: 6px; cursor: pointer; font-size: 13px; color: var(--text-dim); }
.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap;
}

/* ===== Wallet status ===== */
.wallet-status {
  margin-top: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 13px;
  min-height: 1.4em;
}
.wallet-status.active {
  background: rgba(126, 231, 135, 0.08);
  border: 1px solid rgba(126, 231, 135, 0.3);
  color: var(--success);
}
.wallet-status.error {
  background: rgba(255, 107, 107, 0.08);
  border: 1px solid rgba(255, 107, 107, 0.3);
  color: var(--danger);
}

/* ===== Warning text ===== */
.warn {
  margin-top: 12px;
  padding: 10px 14px;
  background: rgba(255, 209, 102, 0.08);
  border: 1px solid rgba(255, 209, 102, 0.3);
  border-radius: var(--radius-sm);
  color: var(--warn);
  font-size: 13px;
  line-height: 1.5;
}

/* ===== Scan progress ===== */
.scan-progress {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dim);
}

/* ===== Incomplete scan warning (tier 2 — > 5 failures) ===== */
.incomplete-warn {
  margin-top: 10px;
  padding: 12px 14px;
  background: rgba(255, 107, 107, 0.08);
  border: 1px solid rgba(255, 107, 107, 0.4);
  border-radius: var(--radius-sm);
  color: var(--danger);
  font-size: 13px;
  line-height: 1.5;
}
.incomplete-warn strong { color: var(--danger); }

/* ===== Incomplete scan note (tier 1 — 1-5 failures, likely fine) ===== */
.incomplete-note {
  margin-top: 8px;
  padding: 8px 12px;
  background: rgba(107, 182, 255, 0.06);
  border: 1px solid rgba(107, 182, 255, 0.25);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.5;
}

/* ===== WETH card ===== */
.weth-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: linear-gradient(135deg, rgba(107, 182, 255, 0.08), rgba(126, 231, 135, 0.04));
  border: 1px solid rgba(107, 182, 255, 0.3);
  border-radius: var(--radius);
  margin-bottom: 16px;
}
.weth-label { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
.weth-amount {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--info);
}

/* ===== Portfolio dashboard ===== */
.portfolio-dashboard {
  margin-bottom: 18px;
  padding: 16px;
  background: linear-gradient(135deg, rgba(126, 231, 135, 0.04), rgba(107, 182, 255, 0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.portfolio-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.portfolio-stats .stat-wide { grid-column: 1 / -1; }
.portfolio-stats .stat-sub { font-size: 11px; color: var(--text-dim); margin-top: 4px; }
.portfolio-stats .stat {
  padding: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-align: center;
}
.portfolio-stats .stat-label {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.portfolio-stats .stat-value {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
}
.portfolio-chart {
  width: 100%;
  height: 140px;
  display: block;
  margin-bottom: 12px;
}
.portfolio-chart .bar-claim { fill: var(--success); }
.portfolio-chart .bar-other { fill: var(--info); opacity: 0.4; }
.portfolio-chart .axis-label {
  font-family: var(--font-mono);
  font-size: 10px;
  fill: var(--text-dim);
}
.portfolio-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.portfolio-links a {
  font-size: 12px;
  padding: 6px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  text-decoration: none;
}
.portfolio-links a:hover { border-color: var(--info); color: var(--info); }
@media (max-width: 600px) {
  .portfolio-stats { grid-template-columns: repeat(2, 1fr); }
}

/* ===== Token list ===== */
.token-list { display: flex; flex-direction: column; gap: 8px; }
.token-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.token-row .symbol { font-weight: 600; font-size: 14px; }
.token-row .name { color: var(--text-dim); font-size: 13px; }
.token-row .addr {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}
.token-row .claimable-amt {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--success);
  text-align: right;
}
.token-row .claimable-amt.zero { color: var(--muted); }
.token-row .claimable-amt.unknown { color: var(--warn); font-style: italic; }
.token-row .version-badge {
  font-size: 10px;
  padding: 2px 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  text-transform: uppercase;
}
.token-row.legacy { opacity: 0.75; }

/* ===== Security list ===== */
.sec-list { margin: 0; padding: 0; list-style: none; }
.sec-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.sec-list li:last-child { border-bottom: none; }
.donation { user-select: all; }

/* ===== Footer ===== */
.app-footer {
  padding: 24px;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
  .app-main { padding: 16px; }
  .card { padding: 18px; }
  .token-row { grid-template-columns: 1fr; gap: 8px; }
  .weth-card { flex-direction: column; align-items: stretch; gap: 12px; }
}