/* Palette and type follow the Split Ledger web app (webapp/src/styles.css). */
@font-face {
  font-family: "Inter";
  src: url("/fonts/inter.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --paper: #f6f8f2;
  --card: #fbfcf9;
  --white: #fff;
  --rule: #dfe6dc;
  --hairline: #e7ece5;
  --ink: #1f2a25;
  --ink-strong: #1a271f;
  --ink-soft: #66756b;
  --ink-faint: #88958c;
  --sk: #e9eee6;
  --sk-strong: #d6ded2;
  --accent: #c8f15d;
  --accent-strong: #9dce57;
  --accent-soft: #e6f5ba;
  --accent-pale: #f1f8e7;
  --mine: #315b2d;
  --theirs: #817093;
  --grid: rgba(49, 91, 45, .07);
  --glow: rgba(200, 241, 93, .35);
  --window-shadow: 0 1px 0 rgba(255,255,255,.8) inset, 0 40px 80px -30px rgba(31, 42, 37, .22), 0 12px 30px -12px rgba(31, 42, 37, .10);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0f1411;
    --card: #161d19;
    --white: #1b231e;
    --rule: #26302a;
    --hairline: #212a24;
    --ink: #dfe7e1;
    --ink-strong: #f2f6f0;
    --ink-soft: #97a59c;
    --ink-faint: #6f7d74;
    --sk: #222b25;
    --sk-strong: #2e3a32;
    --accent-soft: #263519;
    --accent-pale: #1b2618;
    --mine: #9dce57;
    --theirs: #a796bb;
    --grid: rgba(200, 241, 93, .045);
    --glow: rgba(200, 241, 93, .10);
    --window-shadow: 0 1px 0 rgba(255,255,255,.04) inset, 0 40px 90px -30px rgba(0, 0, 0, .7);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-feature-settings: "cv11", "ss01";
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
main { flex: 1; position: relative; }
main::before {
  content: "";
  position: absolute;
  inset: -80px 0 auto;
  height: 760px;
  z-index: -1;
  background:
    radial-gradient(ellipse 50% 40% at 50% 38%, var(--glow), transparent 70%),
    linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 35%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 35%, #000 30%, transparent 75%);
}
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }

/* Navigation */
.nav { position: relative; z-index: 1; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo-mark { width: 26px; height: 26px; }
.lm-a { fill: var(--accent); }
.lm-b { fill: var(--mine); }
.lm-c { fill: var(--ink-strong); }
@media (prefers-color-scheme: dark) { .lm-b { fill: #4f7f3f; } .lm-c { fill: #253e24; } }
.logo-word { color: var(--ink-strong); font-size: 16px; font-weight: 620; letter-spacing: -.025em; }

.dot {
  position: relative; width: 7px; height: 7px; flex: none;
  border-radius: 50%; background: var(--accent-strong);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent);
}

/* Hero */
.hero { padding: clamp(56px, 11vw, 120px) 0 clamp(40px, 6vw, 64px); text-align: center; }
.badge {
  display: inline-flex; align-items: center; gap: 9px;
  margin: 0 0 28px;
  border: 1px solid var(--rule); border-radius: 999px;
  background: color-mix(in srgb, var(--white) 80%, transparent);
  padding: 6px 14px 6px 12px;
  color: var(--ink-soft); font-size: 13px; font-weight: 500; letter-spacing: -.005em;
  backdrop-filter: blur(6px);
}
h1 {
  margin: 0;
  color: var(--ink-strong);
  font-size: clamp(44px, 9.2vw, 96px);
  font-weight: 640;
  line-height: .98;
  letter-spacing: -.055em;
  text-wrap: balance;
}

/* Product preview: abstract shapes only, no text or figures */
.stage {
  position: relative;
  -webkit-mask-image: linear-gradient(#000 55%, transparent 98%);
  mask-image: linear-gradient(#000 55%, transparent 98%);
}
.window {
  max-width: 980px; margin: 0 auto;
  border: 1px solid var(--rule); border-radius: 16px;
  background: var(--card);
  box-shadow: var(--window-shadow);
  overflow: hidden;
  animation: rise .7s cubic-bezier(.2, .7, .2, 1) both .1s;
}
.win-bar { display: flex; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--hairline); }
.win-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--sk-strong); }

.app-mast { display: flex; align-items: center; gap: 10px; padding: 14px 20px; border-bottom: 1px solid var(--rule); }
.app-mark { width: 22px; height: 22px; flex: none; border-radius: 7px; background: var(--accent); }
.mast-gap { flex: 1; }
.tab { width: 56px; height: 24px; border-radius: 7px; background: transparent; position: relative; }
.tab::after { content: ""; position: absolute; inset: 9px 10px; border-radius: 3px; background: var(--sk-strong); }
.tab.active { background: var(--accent-soft); }
.tab.active::after { background: var(--mine); opacity: .55; }
.avatar { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--card); }
.avatar.mine { background: var(--mine); }
.avatar.theirs { background: var(--theirs); margin-left: -16px; }

.app-body { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 20px; padding: 22px; background: var(--paper); }
.pane { border: 1px solid var(--rule); border-radius: 12px; background: var(--card); padding: 18px; }
.pane-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.chip { width: 64px; height: 20px; border-radius: 999px; background: var(--accent-pale); border: 1px solid var(--accent-soft); }
.row { display: flex; align-items: center; gap: 12px; height: 46px; padding: 0 10px; margin: 0 -10px; border-top: 1px solid var(--hairline); }
.row.hl { border-radius: 8px; background: var(--accent-pale); border-top-color: transparent; }
.row.hl + .row { border-top-color: transparent; }
.who { width: 10px; height: 10px; flex: none; border-radius: 50%; }
.who.mine { background: var(--mine); }
.who.theirs { background: var(--theirs); }
.who.both { background: linear-gradient(90deg, var(--mine) 50%, var(--theirs) 50%); }
.sk { display: block; height: 8px; border-radius: 4px; background: var(--sk-strong); }
.sk.strong { height: 10px; background: color-mix(in srgb, var(--ink-strong) 22%, transparent); }
.sk.end { margin-left: auto; }
.w-10 { width: 10%; } .w-12 { width: 12%; } .w-14 { width: 14%; } .w-20 { width: 80px; }
.w-25 { width: 25%; } .w-30 { width: 30%; } .w-35 { width: 35%; } .w-40 { width: 40%; }
.w-45 { width: 45%; } .w-50 { width: 50%; } .w-55 { width: 55%; }

.rail { display: grid; gap: 20px; align-content: start; }
.pane.small { display: grid; gap: 14px; }
.split { display: flex; height: 10px; border-radius: 5px; overflow: hidden; gap: 3px; }
.s-mine { flex: 52; background: var(--mine); border-radius: 5px; }
.s-theirs { flex: 48; background: var(--theirs); border-radius: 5px; }
.legend, .check { display: flex; align-items: center; gap: 10px; }
.check > span:first-child { width: 14px; height: 14px; flex: none; border-radius: 4px; border: 1.5px solid var(--sk-strong); }
.check.done > span:first-child { border-color: var(--accent-strong); background: var(--accent); }

/* Footer */
.foot {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 28px 0 32px; border-top: 1px solid var(--hairline);
  color: var(--ink-faint); font-size: 13px;
}

@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .window { animation: none; } }

@media (max-width: 760px) {
  .app-body { grid-template-columns: 1fr; padding: 14px; }
  .rail { display: none; }
  .tab:nth-of-type(n+3) { display: none; }
  .app-mast { padding: 12px 14px; }
  .pane { padding: 14px; }
  .row { height: 40px; }
  .window { border-radius: 12px; }
}