/* clink app pages (tip + collect). Same tokens as the landing page; dark first. */
:root {
  --bg: #110f17;
  --surface: #1a1722;
  --surface-2: #242030;
  --line: #2f2a3c;
  --fg: #f2eee6;
  --muted: #a49eb2;
  --accent: #f4b740;
  --accent-text: #f6c45f;
  --accent-ink: #1d1505;
  --cool: #93a5ff;
  --ok: #5fd3a0;
  --err: #ff7a6b;
  --glow: rgba(244, 183, 64, 0.16);
  --font-display: "Bricolage Grotesque", "Arial Narrow", system-ui, sans-serif;
  --font-body: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f7f6fb; --surface: #ffffff; --surface-2: #efedf5; --line: #e1dde9;
    --fg: #17141e; --muted: #5f5970; --accent: #f2b02e; --accent-text: #8f5c00;
    --cool: #4257cf; --ok: #12825a; --err: #c0362c; --glow: rgba(242, 176, 46, 0.22);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f7f6fb; --surface: #ffffff; --surface-2: #efedf5; --line: #e1dde9;
  --fg: #17141e; --muted: #5f5970; --accent: #f2b02e; --accent-text: #8f5c00;
  --cool: #4257cf; --ok: #12825a; --err: #c0362c; --glow: rgba(242, 176, 46, 0.22);
  color-scheme: light;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  padding: 0 16px 56px;
  background: radial-gradient(70% 380px at 50% 0%, var(--glow), transparent 75%) no-repeat, var(--bg);
  color: var(--fg);
  font: 400 16px/1.55 var(--font-body);
  -webkit-font-smoothing: antialiased;
}
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
h1, h2 { font-family: var(--font-display); font-weight: 800; letter-spacing: -0.03em; line-height: 1.05; margin: 0; text-wrap: balance; }
h1 { font-size: 30px; }
h2 { font-size: 21px; letter-spacing: -0.02em; }
p { margin: 0; text-wrap: pretty; }
code, .mono { font-family: var(--font-mono); font-size: 0.9em; font-variant-ligatures: none; }

/* Author display rules (grid, flex) would otherwise override the hidden attribute. */
[hidden] { display: none !important; }

.topbar { max-width: 460px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding-block: 20px 28px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font: 800 22px/1 var(--font-display); letter-spacing: -0.045em; text-decoration: none; color: var(--fg); }
.brand svg { width: 28px; height: 28px; }
.topbar .net { font: 500 11px/1 var(--font-mono); letter-spacing: 0.04em; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 5px 9px; }

main { width: 100%; max-width: 460px; margin: 0 auto; display: grid; gap: 14px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 26px; display: grid; gap: 14px; }
.card.plain { background: transparent; }
.eyebrow { font: 500 12px/1 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-text); }
.muted { color: var(--muted); font-size: 14px; }

/* The tip itself, shown like a receipt */
.receipt { display: grid; gap: 4px; padding-block: 6px 4px; }
.amount { font: 800 54px/1 var(--font-display); letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.amount small { font: 600 20px/1 var(--font-body); color: var(--muted); letter-spacing: 0; margin-left: 6px; }
.lines { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; margin: 6px 0 0; padding-top: 14px; border-top: 1px dashed var(--line); font-size: 14px; }
.lines dt { color: var(--muted); }
.lines dd { margin: 0; text-align: right; min-width: 0; overflow-wrap: anywhere; }
.mention { color: var(--cool); }

.btn {
  display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%;
  padding: 14px 18px; border: 1px solid transparent; border-radius: 12px;
  background: var(--accent); color: var(--accent-ink);
  font: 600 16px/1 var(--font-body); text-align: center; text-decoration: none; cursor: pointer;
  transition: transform 0.12s ease, background-color 0.15s ease, border-color 0.15s ease;
}
.btn:hover { background: var(--accent-text); color: var(--bg); }
.btn:active { transform: translateY(1px); }
.btn.secondary { background: transparent; color: var(--fg); border-color: var(--line); }
.btn.secondary:hover { border-color: var(--muted); background: transparent; color: var(--fg); }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn svg { width: 18px; height: 18px; flex: none; }
.actions { display: grid; gap: 8px; }
.actions:empty { display: none; }

.status { font-size: 14px; min-height: 1.4em; }
.status:empty { display: none; }
.status.ok { color: var(--ok); }
.status.err { color: var(--err); }
.status a { color: inherit; }
.done { display: grid; gap: 6px; padding: 14px 16px; border-radius: 12px; background: color-mix(in srgb, var(--ok) 12%, transparent); }

ul.tips { list-style: none; margin: 0; padding: 0; display: grid; }
ul.tips:empty { display: none; }
ul.tips li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-block: 12px; border-bottom: 1px solid var(--line); }
ul.tips li:last-child { border-bottom: 0; }
ul.tips .amt { font: 500 15px/1.2 var(--font-mono); font-variant-numeric: tabular-nums; }
.pill { font: 500 11px/1 var(--font-mono); padding: 5px 8px; border-radius: 999px; white-space: nowrap; background: var(--surface-2); color: var(--muted); }
.pill.gold { background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--accent-text); }

.signing, .alt { margin-top: 14px; font-size: 14px; }
.signing summary, .alt summary { cursor: pointer; color: var(--muted); }
.signing summary:hover, .alt summary:hover { color: var(--fg); }
/* Two equal ways to do the same thing (connect a wallet, or not). */
.choice { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.choice button {
  display: grid; gap: 3px; text-align: left; padding: 12px 14px; border-radius: 14px; cursor: pointer;
  border: 1px solid var(--line); background: transparent; color: var(--fg); font: inherit;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.choice button strong { font-size: 15px; font-weight: 600; }
.choice button span { font-size: 12px; line-height: 1.35; color: var(--muted); }
.choice button:hover { border-color: var(--muted); }
.choice button[aria-selected="true"] { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); }
.choice button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.pane { display: grid; gap: 12px; }
.pane > p { margin: 0; font-size: 13px; }
.qr-card { display: grid; place-items: center; padding-top: 4px; }
/* The QR image carries its own light background, so it scans in both themes. */
.qr-card img { width: min(240px, 100%); height: auto; aspect-ratio: 1; border-radius: 16px; box-shadow: 0 14px 32px -16px rgba(0, 0, 0, 0.55); }
.paste-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.paste-form .btn { width: auto; }
.alt input, .paste-form input {
  min-width: 0; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--surface-2); color: var(--fg); font: 500 13px/1.2 var(--font-mono);
}
.alt input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.alt .btn { width: auto; }
.signing .lines { margin-top: 10px; }
.signing p { margin: 12px 0 0; font-size: 13px; }

.trust { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 14px; color: var(--muted); }
.trust li { display: grid; grid-template-columns: 18px 1fr; gap: 10px; }
.trust svg { width: 18px; height: 18px; color: var(--ok); margin-top: 1px; }

.who { display: flex; align-items: center; gap: 10px; }
.who .avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--surface-2); display: grid; place-items: center; font: 700 14px/1 var(--font-body); color: var(--fg); }
.who .platform { font-size: 13px; color: var(--muted); }
.hidden, [hidden] { display: none !important; }
footer { max-width: 460px; margin: 28px auto 0; text-align: center; font-size: 13px; color: var(--muted); }
footer a { color: inherit; }

.skeleton { height: 54px; width: 60%; border-radius: 10px; background: var(--surface-2); }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }