/* Any Day Now design system — shared by the website and the phone app.
   Minimal / Swiss: light by default, dark when the device asks for it. Semantic tokens only in components.
   Ported pieces: ring loader from Kokonut UI (MIT, kokonutui.com), shimmering text and notch gauge from
   Bklit UI (MIT, bklit.com). Icons: Lucide (ISC). */

:root {
  color-scheme: light;
  --bg: #f5f7fa;
  --surface: #ffffff;
  --surface-2: #f1f4f8;
  --border: #e3e8ef;
  --border-strong: #cbd5e1;
  --input-border: #7d8ba0;
  --text: #0f172a;
  --text-2: #475569;
  --text-3: #5c6b80;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-press: #1e40af;
  --on-primary: #ffffff;
  --primary-soft: #eef4ff;
  --primary-text: #1d4ed8;
  --info: #1d4ed8;       --info-soft: #eef4ff;     --info-line: #c7d7fe;
  --ok: #047857;         --ok-soft: #ecfdf5;       --ok-line: #a7f3d0;
  --warn: #a14a04;       --warn-soft: #fff7ed;     --warn-line: #fed7aa;
  --bad: #b91c1c;        --bad-soft: #fef2f2;      --bad-line: #fecaca;
  --neutral: #475569;    --neutral-soft: #f1f5f9;  --neutral-line: #e2e8f0;
  --lamp: #f59e0b;
  --focus: #2563eb;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
  --shadow-md: 0 1px 2px rgba(15, 23, 42, .04), 0 4px 16px rgba(15, 23, 42, .06);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, .14);
  --scrim: rgba(15, 23, 42, .4);

  --font-display: "Lexend", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-full: 999px;
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 20px; --s-6: 24px; --s-8: 32px; --s-10: 40px; --s-12: 48px; --s-16: 64px;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --dur-fast: 150ms; --dur: 220ms;
  --z-sticky: 20; --z-dock: 30; --z-toast: 40;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #0b1120;
    --surface: #111a2b;
    --surface-2: #172236;
    --border: #233149;
    --border-strong: #33435f;
    --input-border: #5d7093;
    --text: #e8edf6;
    --text-2: #aab6c9;
    --text-3: #93a1b8;
    --primary: #5b9cf8;
    --primary-hover: #7aaffa;
    --primary-press: #93bffb;
    --on-primary: #0b1120;
    --primary-soft: #16274a;
    --primary-text: #8cbcfb;
    --info: #8cbcfb;       --info-soft: #14254a;     --info-line: #26407a;
    --ok: #4ade9b;         --ok-soft: #0d2a22;       --ok-line: #1c5541;
    --warn: #fbbf5c;       --warn-soft: #2d2010;     --warn-line: #5c3f12;
    --bad: #f88e8e;        --bad-soft: #321417;      --bad-line: #66262b;
    --neutral: #aab6c9;    --neutral-soft: #1a2538;  --neutral-line: #2c3a54;
    --focus: #8cbcfb;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
    --shadow-md: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 20px rgba(0, 0, 0, .25);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, .5);
    --scrim: rgba(0, 0, 0, .55);
  }
}

/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.55 var(--font-body);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; letter-spacing: -.015em; margin: 0; text-wrap: balance; }
p { margin: 0; }
a { color: var(--primary-text); text-underline-offset: 3px; }
a:hover { color: var(--primary-hover); }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; touch-action: manipulation; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
.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; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: 0; }
.icon { width: 20px; height: 20px; flex: none; display: block; }
.icon-sm { width: 16px; height: 16px; }
.icon-lg { width: 24px; height: 24px; }
.skip-link { position: absolute; left: 12px; top: -48px; z-index: 100; background: var(--surface); color: var(--text); padding: 10px 14px; border-radius: var(--r-sm); box-shadow: var(--shadow-md); }
.skip-link:focus { top: 12px; }

/* ── Layout ── */
.container { width: 100%; max-width: 1120px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left)); padding-right: max(16px, env(safe-area-inset-right)); }
@media (min-width: 768px) { .container { padding-left: 32px; padding-right: 32px; } }

/* ── Top bar ── */
.topbar { position: sticky; top: 0; z-index: var(--z-sticky); background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--border); padding-top: env(safe-area-inset-top); }
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); min-height: 60px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font: 600 17px/1 var(--font-display); letter-spacing: -.01em; min-height: 44px; }
.logo:hover { color: var(--text); }
.logo-mark { width: 28px; height: 28px; border-radius: 8px; background: #0f172a; display: grid; place-items: center; flex: none; }
.logo-mark::after { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--lamp); box-shadow: 0 0 0 3px rgba(245, 158, 11, .25); }
@media (prefers-color-scheme: dark) { .logo-mark { background: #1e293b; box-shadow: inset 0 0 0 1px var(--border-strong); } }
.topbar-actions { display: flex; align-items: center; gap: var(--s-2); }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: var(--r-md); border: 1px solid transparent; font: 600 16px/1 var(--font-body); text-decoration: none; white-space: nowrap; transition: background-color var(--dur-fast) ease, border-color var(--dur-fast) ease, color var(--dur-fast) ease, transform var(--dur-fast) ease; }
.btn:active:not(:disabled) { transform: scale(.98); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); color: var(--on-primary); }
.btn-primary:active:not(:disabled) { background: var(--primary-press); }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn-secondary:hover:not(:disabled) { background: var(--surface-2); color: var(--text); }
.btn-ghost { background: transparent; color: var(--primary-text); padding: 0 12px; }
.btn-ghost:hover:not(:disabled) { background: var(--primary-soft); color: var(--primary-text); }
.btn-ghost.danger { color: var(--bad); }
.btn-ghost.danger:hover:not(:disabled) { background: var(--bad-soft); color: var(--bad); }
.btn-danger { background: transparent; color: var(--bad); border-color: var(--bad-line); }
.btn-danger:hover:not(:disabled) { background: var(--bad-soft); color: var(--bad); }
.btn-sm { min-height: 36px; padding: 0 12px; font-size: 15px; border-radius: var(--r-sm); }
.btn-icon { display: inline-grid; place-items: center; width: 44px; min-height: 44px; padding: 0; border: 0; border-radius: var(--r-md); background: transparent; color: var(--text-2); transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease; }
.btn-icon:hover:not(:disabled) { background: var(--surface-2); color: var(--text); }
.btn-block { width: 100%; }

/* ── Form ── */
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.label { font: 600 15px/1.3 var(--font-body); color: var(--text); }
.input-wrap { position: relative; display: flex; align-items: center; background: var(--surface); border: 1px solid var(--input-border); border-radius: var(--r-md); transition: border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease; }
.input-wrap:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 22%, transparent); }
.input-wrap.invalid { border-color: var(--bad); }
.input-wrap.invalid:focus-within { box-shadow: 0 0 0 3px color-mix(in srgb, var(--bad) 22%, transparent); }
.input-wrap > .icon { margin-left: 14px; color: var(--text-3); }
.input { flex: 1; min-width: 0; height: 52px; border: 0; background: transparent; padding: 0 8px 0 10px; font: 500 17px/1 var(--font-mono); letter-spacing: .01em; outline: none; }
.input::placeholder { color: var(--text-3); font-family: var(--font-body); font-weight: 400; letter-spacing: 0; opacity: 1; }
.input-wrap .btn-icon { margin-right: 4px; width: 40px; min-height: 40px; }
.input-wrap .btn-paste { margin-right: 6px; }
.select { height: 52px; border: 1px solid var(--input-border); border-radius: var(--r-md); background: var(--surface); padding: 0 36px 0 14px; font: 400 16px var(--font-body); color: var(--text); appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; min-width: 0; }
.select:focus-visible { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 22%, transparent); }
.help { font-size: 15px; color: var(--text-2); }
.hint { display: flex; align-items: center; gap: 6px; font-size: 15px; color: var(--primary-text); }
.error-text { display: flex; align-items: flex-start; gap: 8px; font-size: 15px; color: var(--bad); }
.error-text .icon { margin-top: 2px; }

/* ── Disclosure ── */
.disclosure > summary { display: inline-flex; align-items: center; gap: 6px; min-height: 32px; color: var(--primary-text); font-weight: 600; font-size: 15px; cursor: pointer; list-style: none; border-radius: 6px; }
.disclosure > summary::-webkit-details-marker { display: none; }
.disclosure > summary .icon { transition: transform var(--dur) var(--ease-out); }
.disclosure[open] > summary .icon { transform: rotate(90deg); }
.disclosure > div { margin-top: 6px; font-size: 15px; color: var(--text-2); max-width: 62ch; }
.disclosure > div p + p { margin-top: 6px; }

/* ── Cards ── */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-sm); }
.card-pad { padding: var(--s-5); }
@media (min-width: 768px) { .card-pad { padding: var(--s-6); } }
.section-title { font: 600 13px/1.2 var(--font-body); letter-spacing: .06em; text-transform: uppercase; color: var(--text-3); }
.nickname { display: flex; align-items: center; gap: 8px; margin-top: var(--s-3); color: var(--text-3); border-bottom: 1px dashed var(--border-strong); }
.nickname:focus-within { border-bottom-color: var(--primary); color: var(--primary-text); }
.nickname input { flex: 1; min-width: 0; height: 40px; border: 0; background: transparent; font: 500 16px var(--font-body); color: var(--text); outline: none; }
.nickname input::placeholder { color: var(--text-3); opacity: 1; }

/* ── Status ── */
.tone-info { --tone: var(--info); --tone-soft: var(--info-soft); --tone-line: var(--info-line); }
.tone-ok { --tone: var(--ok); --tone-soft: var(--ok-soft); --tone-line: var(--ok-line); }
.tone-warn { --tone: var(--warn); --tone-soft: var(--warn-soft); --tone-line: var(--warn-line); }
.tone-bad { --tone: var(--bad); --tone-soft: var(--bad-soft); --tone-line: var(--bad-line); }
.tone-neutral { --tone: var(--neutral); --tone-soft: var(--neutral-soft); --tone-line: var(--neutral-line); }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px 3px 8px; border-radius: var(--r-full); background: var(--tone-soft); color: var(--tone); border: 1px solid var(--tone-line); font: 600 14px/1.3 var(--font-body); white-space: nowrap; }
.badge .icon { width: 14px; height: 14px; }
.status-icon { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--tone-soft); color: var(--tone); border: 1px solid var(--tone-line); flex: none; }
.status-icon .icon { width: 24px; height: 24px; }

.result-meta { display: flex; align-items: center; justify-content: space-between; gap: var(--s-2) var(--s-3); flex-wrap: wrap; }
.carrier { font-weight: 600; color: var(--text-2); font-size: 15px; }
.number-copy { display: inline-flex; align-items: center; gap: 2px; font-size: 15px; color: var(--text-2); }
.number-copy .btn-icon { width: 36px; min-height: 36px; }
.status-head { display: flex; gap: var(--s-4); align-items: flex-start; margin-top: var(--s-4); }
.status-title { font-size: 26px; line-height: 1.2; }
@media (min-width: 768px) { .status-title { font-size: 30px; } }
.status-sub { margin-top: 6px; color: var(--text-2); font-size: 16px; }
.status-sub time { white-space: nowrap; }

/* ETA */
.eta { margin-top: var(--s-5); padding: var(--s-4); border-radius: var(--r-md); background: var(--tone-soft); border: 1px solid var(--tone-line); }
.eta-label { font: 600 13px/1.2 var(--font-body); letter-spacing: .06em; text-transform: uppercase; color: var(--tone); }
.eta-value { margin-top: 4px; font: 600 22px/1.25 var(--font-display); letter-spacing: -.01em; color: var(--text); }
.eta-note { margin-top: 4px; font-size: 15px; color: var(--text-2); }
.eta .disclosure { margin-top: var(--s-2); }

/* Journey gauge (Bklit notch gauge, linear mode) */
.journey { margin-top: var(--s-5); }
.journey-head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--s-3); font-size: 15px; color: var(--text-2); }
.journey-head b { color: var(--text); font-weight: 600; }
.gauge { display: block; width: 100%; height: 28px; margin-top: var(--s-2); overflow: visible; }
.gauge .notch { fill: var(--border); }
.gauge .notch.on { fill: var(--primary); }
.gauge .notch.over { fill: var(--warn); }
.gauge .notch.done { fill: var(--ok); }
.gauge .marker { stroke: var(--text); stroke-width: 2; }
.journey-legend { display: flex; justify-content: space-between; gap: var(--s-3); margin-top: 6px; font-size: 14px; color: var(--text-3); }

/* Stepper */
.stepper { list-style: none; margin: var(--s-6) 0 0; padding: 0; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); }
.step { position: relative; display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; font-size: 13px; line-height: 1.25; color: var(--text-3); }
.step::before { content: ""; position: absolute; top: 17px; right: 50%; width: 100%; height: 2px; background: var(--border); z-index: 0; }
.step:first-child::before { display: none; }
.step .line-fill { position: absolute; top: 17px; right: 50%; width: 100%; height: 2px; background: var(--primary); transform-origin: left center; z-index: 0; }
.step-dot { position: relative; z-index: 1; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--surface); border: 2px solid var(--border); color: var(--text-3); }
.step-dot .icon { width: 18px; height: 18px; }
.step.done .step-dot { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.step.current .step-dot { border-color: var(--primary); color: var(--primary-text); background: var(--primary-soft); box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 16%, transparent); }
.step.done, .step.current { color: var(--text); }
.step.current { font-weight: 600; }
.step-now { display: block; font: 600 12px/1.2 var(--font-body); color: var(--primary-text); }
.stepper.delivered .step-dot, .stepper.delivered .line-fill { background: var(--ok); border-color: var(--ok); color: #fff; }
@media (prefers-color-scheme: dark) { .stepper.delivered .step-dot { color: var(--bg); } }
@media (max-width: 420px) { .step { font-size: 12px; } .step-label { display: none; } .step.current .step-label { display: block; position: absolute; top: 44px; white-space: nowrap; } .stepper { padding-bottom: 36px; } .step-now { display: none; } }

/* Summary + facts */
.summary-block { margin-top: var(--s-6); padding-top: var(--s-5); border-top: 1px solid var(--border); }
.summary-text { margin-top: 6px; font-size: 17px; color: var(--text); max-width: 66ch; }
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-3) var(--s-4); margin: var(--s-5) 0 0; }
.facts dt { font-size: 14px; color: var(--text-3); }
.facts dd { margin: 2px 0 0; font-weight: 600; font-size: 16px; overflow-wrap: anywhere; }
.result-foot { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); flex-wrap: wrap; margin-top: var(--s-5); padding-top: var(--s-4); border-top: 1px solid var(--border); font-size: 15px; color: var(--text-2); }

/* Timeline */
.timeline-day { margin-top: var(--s-5); }
.timeline-day:first-of-type { margin-top: var(--s-4); }
.timeline-day h3 { font: 600 14px/1.2 var(--font-body); color: var(--text-2); margin-bottom: var(--s-2); }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { position: relative; display: grid; grid-template-columns: 14px 1fr; gap: 14px; padding-bottom: var(--s-4); }
.timeline li::before { content: ""; position: absolute; left: 6px; top: 16px; bottom: -2px; width: 2px; background: var(--border); }
.timeline-day:last-of-type .timeline li:last-child::before { display: none; }
.t-dot { width: 14px; height: 14px; margin-top: 5px; border-radius: 50%; background: var(--surface); border: 2px solid var(--border-strong); position: relative; z-index: 1; }
.timeline .latest .t-dot { background: var(--primary); border-color: var(--primary); box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 18%, transparent); }
.t-text { font-size: 16px; color: var(--text); }
.timeline .latest .t-text { font-weight: 600; }
.t-meta { display: flex; flex-wrap: wrap; gap: 2px 10px; margin-top: 2px; font-size: 14px; color: var(--text-3); }
.t-meta .loc { display: inline-flex; align-items: center; gap: 4px; }
.t-orig { display: none; margin-top: 4px; padding: 6px 10px; border-radius: var(--r-sm); background: var(--surface-2); font: 13px/1.5 var(--font-mono); color: var(--text-2); overflow-wrap: anywhere; }
.history-card.show-orig .t-orig { display: block; }
.toggle-orig[aria-pressed="true"] { background: var(--primary-soft); }

/* Package list */
.pkg-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--s-2); }
.pkg { display: grid; grid-template-columns: 1fr auto; gap: var(--s-3); align-items: center; padding: var(--s-4); border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--border); color: var(--text); text-decoration: none; box-shadow: var(--shadow-sm); transition: border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease, transform var(--dur-fast) ease; }
.pkg:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); color: var(--text); }
.pkg:active { transform: scale(.99); }
.pkg-main { min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.pkg-top { display: flex; align-items: center; gap: var(--s-2); flex-wrap: wrap; }
.pkg-title { font: 600 17px/1.3 var(--font-body); overflow-wrap: anywhere; }
.pkg-sub { font-size: 15px; color: var(--text-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pkg-meta { display: flex; flex-wrap: wrap; gap: 2px 12px; font-size: 14px; color: var(--text-3); }
.pkg-meta .eta-mini { color: var(--tone); font-weight: 600; }
.pkg-side { display: flex; align-items: center; gap: 2px; color: var(--text-3); }
.pkg-row { position: relative; }

/* Value row */
.features { display: grid; gap: var(--s-4); grid-template-columns: 1fr; }
@media (min-width: 1024px) { .features { grid-template-columns: repeat(3, 1fr); gap: var(--s-6); } }
.feature { display: flex; gap: var(--s-3); align-items: flex-start; }
.feature-icon { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary-text); flex: none; }
.feature h3 { font: 600 16px/1.3 var(--font-body); letter-spacing: 0; }
.feature p { margin-top: 2px; font-size: 15px; color: var(--text-2); }

/* Panels: loading / error / empty */
.panel-center { display: flex; flex-direction: column; align-items: center; text-align: center; gap: var(--s-3); padding: var(--s-10) var(--s-5); }
.panel-center h2 { font-size: 20px; }
.panel-center p { color: var(--text-2); max-width: 44ch; }

/* Ring loader — ported from Kokonut UI "Loader" (MIT) */
.ring-loader { position: relative; width: 72px; height: 72px; color: var(--primary); }
.ring-loader > span { position: absolute; inset: 0; border-radius: 50%; animation: ring-spin linear infinite; }
.ring-loader > .r1 { background: conic-gradient(from 0deg, transparent 0deg, currentColor 90deg, transparent 180deg); -webkit-mask: radial-gradient(circle, transparent 35%, #000 37%, #000 39%, transparent 41%); mask: radial-gradient(circle, transparent 35%, #000 37%, #000 39%, transparent 41%); opacity: .8; animation-duration: 3s; }
.ring-loader > .r2 { background: conic-gradient(from 0deg, transparent 0deg, currentColor 120deg, color-mix(in srgb, currentColor 50%, transparent) 240deg, transparent 360deg); -webkit-mask: radial-gradient(circle, transparent 42%, #000 44%, #000 48%, transparent 50%); mask: radial-gradient(circle, transparent 42%, #000 44%, #000 48%, transparent 50%); opacity: .9; animation-duration: 1.2s; }
.ring-loader > .r3 { background: conic-gradient(from 180deg, transparent 0deg, color-mix(in srgb, currentColor 60%, transparent) 45deg, transparent 90deg); -webkit-mask: radial-gradient(circle, transparent 52%, #000 54%, #000 56%, transparent 58%); mask: radial-gradient(circle, transparent 52%, #000 54%, #000 56%, transparent 58%); opacity: .35; animation-duration: 4s; animation-direction: reverse; }
.ring-loader > .r4 { background: conic-gradient(from 270deg, transparent 0deg, color-mix(in srgb, currentColor 40%, transparent) 20deg, transparent 40deg); -webkit-mask: radial-gradient(circle, transparent 61%, #000 62%, #000 63%, transparent 64%); mask: radial-gradient(circle, transparent 61%, #000 62%, #000 63%, transparent 64%); opacity: .5; animation-duration: 3.5s; }
@keyframes ring-spin { to { transform: rotate(360deg); } }

/* Shimmering text — ported from Bklit UI "ShimmeringText" (MIT): a colour wave across characters */
.shimmer { display: inline-flex; flex-wrap: wrap; --c: var(--text-3); --c-hi: var(--text); }
.shimmer > span { color: var(--c); white-space: pre; animation: shimmer-char var(--dur-cycle, 1.6s) ease-in-out infinite; animation-delay: var(--d, 0s); }
@keyframes shimmer-char { 0%, 40%, 100% { color: var(--c); } 20% { color: var(--c-hi); } }

/* Skeleton */
.skel { border-radius: 6px; background: linear-gradient(90deg, var(--surface-2), var(--border), var(--surface-2)); background-size: 200% 100%; animation: skel 1.3s linear infinite; height: 14px; }
@keyframes skel { to { background-position: -200% 0; } }

/* Toast */
.toast { position: fixed; left: 16px; right: 16px; margin: 0 auto; width: fit-content; bottom: calc(24px + env(safe-area-inset-bottom)); z-index: var(--z-toast); display: flex; align-items: center; gap: var(--s-3); max-width: 520px; padding: 10px 10px 10px 16px; border-radius: var(--r-md); background: #0f172a; color: #f8fafc; box-shadow: var(--shadow-lg); font-size: 15px; }
@media (prefers-color-scheme: dark) { .toast { background: #e8edf6; color: #0f172a; } }
.toast .btn { min-height: 36px; padding: 0 12px; color: #93c5fd; background: transparent; }
@media (prefers-color-scheme: dark) { .toast .btn { color: #1d4ed8; } }
.toast.err { background: var(--bad); color: #fff; }
@media (prefers-color-scheme: dark) { .toast.err { background: #fecaca; color: #450a0a; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .ring-loader > span { animation: none; }
  .ring-loader > .r2 { animation: ring-pulse 1.6s ease-in-out infinite; }
  .shimmer > span, .skel { animation: none; }
}
@keyframes ring-pulse { 50% { opacity: .4; } }

/* ── Content pages (help, about, privacy) ── */
.prose-page { padding-top: var(--s-6); padding-bottom: var(--s-16); max-width: 760px; }
.crumbs { font-size: 15px; color: var(--text-3); display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs a { color: var(--text-2); }
.crumbs [aria-current] { color: var(--text-3); }
.prose { margin-top: var(--s-4); }
.prose h1 { font-size: clamp(30px, 5vw, 40px); line-height: 1.15; }
.prose h2 { font-size: 20px; margin-top: var(--s-8); }
.prose p, .prose ul { margin-top: var(--s-3); max-width: 68ch; }
.prose ul { padding-left: 1.2em; }
.prose li + li { margin-top: 6px; }
.prose .lede { margin-top: var(--s-3); font-size: 19px; color: var(--text-2); }
.prose .help { margin-top: var(--s-2); }
.callout { margin-top: var(--s-5); padding: var(--s-4); border-radius: var(--r-md); background: var(--tone-soft); border: 1px solid var(--tone-line); }
.callout p { margin: 0; }
.link-list { list-style: none; padding: 0 !important; display: grid; gap: var(--s-2); }
.link-list a { display: flex; flex-direction: column; gap: 2px; padding: var(--s-4); border-radius: var(--r-lg); border: 1px solid var(--border); background: var(--surface); color: var(--text); text-decoration: none; box-shadow: var(--shadow-sm); }
.link-list a:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); color: var(--text); }
.link-list a span { font-size: 15px; color: var(--text-2); }
.cta-card { margin-top: var(--s-10); display: flex; flex-direction: column; align-items: flex-start; gap: var(--s-2); }
.cta-card h2 { font-size: 20px; }
.cta-card p { color: var(--text-2); }
.cta-card .btn { margin-top: var(--s-2); }
.site-footer { border-top: 1px solid var(--border); padding: 24px 0 calc(32px + env(safe-area-inset-bottom)); font-size: 15px; color: var(--text-2); }
.site-footer .container { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; align-items: center; }
.footer-links { display: flex; flex-wrap: wrap; gap: 4px 20px; }
.footer-links a { min-height: 32px; display: inline-flex; align-items: center; }

/* ── Ad slots (only rendered when AdSense is configured) ── */
.ad-slot { display: flex; flex-direction: column; gap: 6px; }
.ad-label { font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--text-3); }
.ad-slot ins { display: block; min-height: 120px; border-radius: var(--r-md); background: var(--surface-2); overflow: hidden; }