/* fortis — glassy & layered. See ../DESIGN.md */

:root {
  --bg-0: #070810;
  --bg-1: #0a0c1a;
  --bg-2: #0c1024;
  --bg-ambient: #060713;
  --blob-a: rgba(88, 128, 255, 0.85);
  --blob-b: rgba(168, 96, 255, 0.62);
  --blob-c: rgba(58, 224, 205, 0.36);

  --text: #eef1f8;
  --text-dim: #9aa3ba;
  --text-faint: #7681a4;

  --accent: #6ea8fe;
  --accent-2: #b98cff;
  /* text/link use of accent — same as --accent in dark mode (already high-contrast);
     light mode needs a darker variant since --accent itself is tuned for button
     fills (dark text sits on it), not for reading as text on the page background. */
  --accent-ink: var(--accent);
  --good: #49e0a6;
  --bad: #ff6b7d;
  --warn: #f6c445;

  --glass-1: rgba(255, 255, 255, 0.045);
  --glass-2: rgba(255, 255, 255, 0.08);
  --glass-hero: rgba(255, 255, 255, 0.06);
  --hair: rgba(255, 255, 255, 0.09);
  --sheen: inset 0 1px 0 rgba(255, 255, 255, 0.07);
  --blur: 18px;

  --e-card: 0 10px 34px -14px rgba(0, 0, 0, 0.55), var(--sheen);
  --e-hero: 0 20px 60px -22px rgba(0, 0, 0, 0.6), 0 0 70px -26px var(--accent), var(--sheen);
  --e-pop: 0 24px 70px -20px rgba(0, 0, 0, 0.7), var(--sheen);
  --glow-accent: 0 0 0 1px rgba(110, 168, 254, 0.35), 0 0 24px -6px rgba(110, 168, 254, 0.55);

  --r-sm: 12px;
  --r: 18px;
  --r-lg: 26px;
  --r-pill: 999px;
  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 24px; --s6: 32px;
  --app-w: 460px;

  --ease-spring: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.2, 0.6, 0.2, 1);
  --t-fast: 160ms;
  --t: 280ms;
  --t-count: 650ms;

  color-scheme: dark;
}

/* Explicit attribute, not a media query — src/theme.js (and the inline
   pre-paint script in index.html) always sets this to "light" or "dark",
   resolving "system" itself, so a manual override and the OS preference go
   through the exact same switch. */
:root[data-theme='light'] {
  color-scheme: light;
  --bg-0: #eef1f8; --bg-1: #e7ebf5; --bg-2: #dce2f0;
  --bg-ambient: #eef1f8;
  --blob-a: rgba(88, 128, 255, 0.35);
  --blob-b: rgba(168, 96, 255, 0.25);
  --blob-c: rgba(58, 224, 205, 0.18);
  --text: #10131c; --text-dim: #55607a; --text-faint: #5d6b85;
  --accent-ink: #3e6bc4;
  /* dark mode's good/bad/warn are far too light to read as text on a light
     background (this was previously masked entirely by a --bg-ambient bug
     that made the whole light theme unreadable, text and all) */
  --good: #0f7a52; --bad: #c4293e; --warn: #8a6209;
  --glass-1: rgba(255, 255, 255, 0.62);
  --glass-2: rgba(255, 255, 255, 0.8);
  --glass-hero: rgba(255, 255, 255, 0.72);
  --hair: rgba(10, 15, 30, 0.1);
  --sheen: inset 0 1px 0 rgba(255, 255, 255, 0.9);
  --e-card: 0 12px 30px -16px rgba(20, 30, 60, 0.25), var(--sheen);
  --e-hero: 0 20px 50px -22px rgba(20, 30, 60, 0.3), 0 0 60px -24px var(--accent), var(--sheen);
}

* { box-sizing: border-box; margin: 0; }
html, body { height: 100%; }
body {
  background: var(--bg-0);
  color: var(--text);
  font: 400 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* fine grain over the whole page for a bit of tooth */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- ambient background plane ---- */
.bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background: var(--bg-ambient);
  overflow: hidden;
  will-change: transform;
}
.bg::before, .bg::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(56px);
  mix-blend-mode: screen;
}
.bg::before {
  width: 130vw; height: 90vh; max-width: 900px;
  background: radial-gradient(closest-side, var(--blob-a), transparent 78%);
  top: -28vh; left: 50%;
  transform: translateX(-50%);
  animation: drift-a 44s var(--ease-out) infinite alternate;
}
.bg::after {
  width: 110vw; height: 70vh; max-width: 720px;
  background:
    radial-gradient(closest-side, var(--blob-b), transparent 74%),
    radial-gradient(38% 38% at 22% 78%, var(--blob-c), transparent 70%);
  bottom: -34vh; right: -30vw;
  animation: drift-b 56s var(--ease-out) infinite alternate;
}
@keyframes drift-a { to { transform: translateX(-42%) translateY(12vh) rotate(20deg) scale(1.15); } }
@keyframes drift-b { to { transform: translate3d(-16vw, -10vh, 0) rotate(-16deg) scale(1.12); } }

#app {
  max-width: var(--app-w);
  margin: 0 auto;
  min-height: 100%;
  display: flex;
  flex-direction: column;
}
.boot { padding: 6rem 1rem; text-align: center; color: var(--text-dim); }

/* ---- brand mark (onboard / locked) ---- */
.brand { display: flex; flex-direction: column; align-items: center; gap: var(--s3); }
.brand svg { width: 56px; height: 56px; filter: drop-shadow(0 0 18px rgba(143, 188, 255, 0.45)); }
.brand .name {
  font-size: 2.4rem;
  font-weight: 680;
  letter-spacing: -0.03em;
  background: linear-gradient(180deg, #ffffff, #a7bdf0);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 30px rgba(110, 168, 254, 0.25);
}

/* ---- type ---- */
h1 { font-size: 1.6rem; font-weight: 650; letter-spacing: -0.02em; }
h2 { font-size: 1.05rem; font-weight: 620; letter-spacing: -0.01em; margin-bottom: var(--s2); }
p { color: var(--text-dim); }
a { color: var(--accent-ink); }
code, .mono { font-family: ui-monospace, "SF Mono", "Cascadia Code", Menlo, monospace; }
label {
  display: block;
  font-size: 0.78rem; font-weight: 500; letter-spacing: 0.02em;
  color: var(--text-dim);
  margin: var(--s4) 0 var(--s1);
}
.hint { font-size: 0.8rem; color: var(--text-faint); line-height: 1.5; }
.center { text-align: center; }
.spacer { flex: 1; }
.err { color: var(--bad); font-size: 0.85rem; min-height: 1.1em; }
.ok-msg { color: var(--good); font-size: 0.9rem; }

/* ---- glass primitives ---- */
.card {
  background: var(--glass-1);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(1.5);
  backdrop-filter: blur(var(--blur)) saturate(1.5);
  border: 1px solid var(--hair);
  border-radius: var(--r);
  box-shadow: var(--e-card);
  padding: var(--s4);
}
.stack { display: flex; flex-direction: column; gap: var(--s3); }
.row { display: flex; gap: var(--s2); }
.row > * { flex: 1; }

/* ---- controls ---- */
button {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--hair);
  background: var(--glass-2);
  color: var(--text);
  padding: 0.68rem 1rem;
  border-radius: var(--r-pill);
  transition: transform var(--t-fast) var(--ease-spring), filter var(--t-fast),
    background var(--t-fast), box-shadow var(--t-fast);
}
button:hover:not(:disabled) { background: rgba(255, 255, 255, 0.12); }
button:active:not(:disabled) { transform: scale(0.97); }
button:disabled { opacity: 0.4; cursor: default; }
button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0a0c16;
  font-weight: 640;
  border-color: transparent;
  box-shadow: var(--glow-accent);
}
button.primary:hover:not(:disabled) { filter: brightness(1.08); }
button.ghost { background: transparent; }
button.ghost:hover:not(:disabled) { background: var(--glass-1); }
button.danger { color: var(--bad); border-color: rgba(255, 107, 125, 0.3); }
button.wide { width: 100%; }

.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(10, 12, 22, 0.3);
  border-top-color: currentColor;
  border-radius: 50%;
  vertical-align: -2px;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

input, textarea, select {
  font: inherit;
  width: 100%;
  color: var(--text);
  background: color-mix(in srgb, var(--bg-0) 55%, transparent);
  border: 1px solid var(--hair);
  border-radius: var(--r-sm);
  padding: 0.66rem 0.75rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(110, 168, 254, 0.18);
}
textarea { resize: vertical; min-height: 4.5rem; font-family: ui-monospace, monospace; }

/* ---- screen + pane motion ---- */
.screen {
  padding: var(--s5) var(--s4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--s4);
  animation: paneIn var(--t) var(--ease-spring) both;
}
@keyframes paneIn {
  from { opacity: 0; transform: translateY(8px) scale(0.994); }
}

/* ---- hero / topbar ---- */
.topbar {
  position: relative;
  background: var(--glass-hero);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(1.6);
  backdrop-filter: blur(var(--blur)) saturate(1.6);
  border: 1px solid var(--hair);
  border-radius: var(--r-lg);
  box-shadow: 0 24px 70px -24px rgba(0, 0, 0, 0.65), 0 0 90px -24px var(--accent), var(--sheen);
  padding: var(--s5) var(--s4);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  overflow: hidden;
}
.topbar::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(110, 168, 254, 0.7), rgba(185, 140, 255, 0.7), transparent);
}
.topbar .name {
  font-size: 0.82rem;
  font-weight: 620;
  color: var(--text-dim);
  margin-bottom: var(--s1);
}
.topbar .bal {
  font-family: ui-monospace, monospace;
  font-size: 2.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
}
.topbar .bal .num {
  background: linear-gradient(180deg, #ffffff, #b7c8f2);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 26px rgba(110, 168, 254, 0.35);
}
.topbar .unit { color: var(--text-dim); font-size: 0.8rem; font-weight: 500; }
.topbar .hint { margin-top: var(--s2); }

.dot {
  width: 7px; height: 7px; border-radius: 50%;
  display: inline-block;
  background: var(--text-faint);
  vertical-align: 1px;
}
.dot.ok { background: var(--good); box-shadow: 0 0 10px var(--good); }
.dot.warn { background: var(--warn); box-shadow: 0 0 10px var(--warn); animation: pulse 1.6s ease-in-out infinite; }
.dot.bad { background: var(--bad); box-shadow: 0 0 10px var(--bad); }
@keyframes pulse { 50% { opacity: 0.35; } }

/* ---- tabs ---- */
.tabs {
  display: flex;
  gap: var(--s1);
  padding: var(--s1);
  border-radius: var(--r-pill);
}
.tabs button {
  flex: 1;
  border: 0;
  background: transparent;
  color: var(--text);
  opacity: 0.55;
  border-radius: var(--r-pill);
  padding: 0.5rem;
  font-size: 0.9rem;
}
.tabs button:hover { opacity: 0.85; background: transparent; }
.tabs button.active {
  background: linear-gradient(135deg, rgba(110, 168, 254, 0.95), rgba(185, 140, 255, 0.95));
  color: #0a0c16;
  font-weight: 620;
  opacity: 1;
  box-shadow: 0 6px 22px -6px rgba(110, 168, 254, 0.65);
}

/* ---- receive ---- */
.addr-box {
  word-break: break-all;
  background: color-mix(in srgb, var(--bg-0) 42%, transparent);
  border: 1px solid var(--hair);
  border-radius: var(--r-sm);
  padding: var(--s4);
  font-size: 0.95rem;
  line-height: 1.7;
  text-align: center;
  letter-spacing: 0.04em;
  box-shadow: inset 0 0 30px -18px var(--accent);
}
.words { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s1) var(--s2); }
.words li {
  list-style: none;
  background: var(--glass-1);
  border: 1px solid var(--hair);
  border-radius: 10px;
  padding: 0.36rem 0.5rem;
  font-size: 0.9rem;
}
.words li b { color: var(--accent-ink); opacity: 0.7; font-weight: 500; margin-right: 0.4rem; font-variant-numeric: tabular-nums; }

/* ---- history ---- */
.hist { display: flex; flex-direction: column; }
.hist .item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--hair);
  gap: var(--s2);
  cursor: pointer;
  transition: opacity var(--t-fast);
}
.hist .item:last-child { border-bottom: 0; }
.hist .item:hover { opacity: 0.8; }
.hist .amt { font-family: ui-monospace, monospace; font-variant-numeric: tabular-nums; }
.hist .amt.pos { color: var(--good); }
.hist .meta { color: var(--text-faint); font-size: 0.78rem; }
.badge {
  font-size: 0.7rem;
  padding: 0.12rem 0.5rem;
  border-radius: var(--r-pill);
  background: var(--glass-2);
  color: var(--text-dim);
  white-space: nowrap;
}
.badge.pending { color: var(--warn); background: rgba(246, 196, 69, 0.12); }

/* ---- key/value ---- */
.kv { display: flex; justify-content: space-between; padding: 0.42rem 0; font-size: 0.92rem; gap: var(--s4); }
.kv + .kv { border-top: 1px solid var(--hair); }
.kv > :first-child { color: var(--text-dim); flex: none; }
.kv > :last-child { min-width: 0; text-align: right; overflow-wrap: anywhere; }
.kvs {
  background: color-mix(in srgb, var(--bg-0) 40%, transparent);
  border: 1px solid var(--hair);
  border-radius: var(--r-sm);
  padding: 0.2rem var(--s3);
}

/* ---- bottom sheet (confirm) ---- */
.sheet-wrap {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.scrim {
  position: absolute;
  inset: 0;
  background: rgba(4, 6, 14, 0.55);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  animation: fadeIn var(--t) both;
}
.sheet {
  position: relative;
  width: 100%;
  max-width: var(--app-w);
  margin: 0 auto;
  background: var(--glass-2);
  -webkit-backdrop-filter: blur(26px) saturate(1.7);
  backdrop-filter: blur(26px) saturate(1.7);
  border: 1px solid var(--hair);
  border-bottom: 0;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  box-shadow: var(--e-pop);
  padding: var(--s3) var(--s4) calc(var(--s5) + env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: column;
  gap: var(--s3);
  animation: sheetIn var(--t) var(--ease-spring) both;
}
.grabber { width: 40px; height: 4px; border-radius: 2px; background: var(--hair); margin: 0 auto var(--s1); }
.amount-lead {
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.amount-lead .unit { color: var(--text-dim); font-size: 0.8rem; font-weight: 500; }
@keyframes sheetIn { from { transform: translateY(100%); } }
@keyframes fadeIn { from { opacity: 0; } }

/* ---- fee segmented ---- */
.seg { display: flex; gap: var(--s1); }
.seg button { flex: 1; font-size: 0.82rem; padding: 0.5rem 0.3rem; border-radius: var(--r-sm); }
.seg button.on {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0a0c16;
  border-color: transparent;
  font-weight: 600;
}

/* ---- toast ---- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 1.4rem;
  transform: translateX(-50%);
  background: var(--glass-2);
  -webkit-backdrop-filter: blur(var(--blur));
  backdrop-filter: blur(var(--blur));
  border: 1px solid var(--hair);
  color: var(--text);
  padding: 0.62rem 1.1rem;
  border-radius: var(--r-pill);
  font-size: 0.88rem;
  box-shadow: var(--e-pop);
  animation: toastIn var(--t) var(--ease-spring) both;
}
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 12px); } }

/* ---- PWA update bar ---- */
.update-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: var(--s3);
  padding: 0.8rem 1rem calc(0.8rem + env(safe-area-inset-bottom, 0px));
  background: var(--glass-2);
  -webkit-backdrop-filter: blur(var(--blur));
  backdrop-filter: blur(var(--blur));
  border-top: 1px solid var(--hair);
  color: var(--text);
  font-size: 0.88rem;
  box-shadow: var(--e-pop);
  animation: updateBarIn var(--t) var(--ease-spring) both;
}
.update-bar span { flex: 1; }
.update-bar button { padding: 0.5rem 0.9rem; font-size: 0.85rem; }
@keyframes updateBarIn { from { opacity: 0; transform: translateY(100%); } }

/* ---- wallet list (Home tab) ---- */
.walletlist { display: flex; flex-direction: column; }
.walletrow {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s3);
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--hair);
  cursor: pointer;
  transition: opacity var(--t-fast);
}
.walletrow:last-child { border-bottom: 0; }
.walletrow:hover { opacity: 0.8; }
.walletrow .name { font-weight: 620; }
.walletrow .chain { color: var(--text-faint); font-size: 0.78rem; }
.walletrow .amt { font-family: ui-monospace, monospace; font-variant-numeric: tabular-nums; }

/* ---- settings ---- */
.wallet-card + .wallet-card { margin-top: var(--s2); }
.actions-wrap { display: flex; flex-wrap: wrap; gap: var(--s2); }
.actions-wrap button { flex: none; font-size: 0.82rem; padding: 0.42rem 0.85rem; }

/* ---- language picker sheet ---- */
.locale-list { max-height: 60vh; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; }
.locale-list button {
  justify-content: flex-start;
  text-align: left;
  background: transparent;
  border: 0;
  border-radius: var(--r-sm);
  padding: 0.55rem 0.7rem;
}
.locale-list button.on { background: var(--glass-2); font-weight: 620; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}