:root {
  color-scheme: light;
  --paper: #faf7f0;
  --card: #ffffff;
  --ink: #1c1a16;
  --soft: #6b655b;
  --line: #e7e0d2;
  --accent: #d6542a;
  --accent-ink: #ffffff;
  --green: #2f7d4f;
  --yellow: #f6e8c1;
  --radius: 16px;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px 72px;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--ink);
  color: var(--paper);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
}

nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

nav a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--soft);
  padding: 8px 12px;
  border-radius: 999px;
}

nav a:hover { background: var(--line); color: var(--ink); }
nav a.now { background: var(--ink); color: var(--paper); }

.hero {
  padding: 44px 0 8px;
  text-align: left;
}

.kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  background: var(--yellow);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 13px;
  margin-bottom: 16px;
}

h1 {
  font-size: clamp(34px, 7vw, 54px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
}

.lead { color: var(--soft); font-size: 18px; max-width: 52ch; margin: 0 0 22px; }

.cta { display: flex; gap: 10px; flex-wrap: wrap; }

.button {
  appearance: none;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font: 600 15px var(--sans);
  padding: 12px 22px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.button.ghost { background: transparent; color: var(--ink); }
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(0); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  margin-top: 22px;
}

.card h2 { margin: 0 0 6px; font-size: 20px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--soft); }
.card p b { color: var(--ink); }

.quote {
  font-size: 21px;
  font-weight: 650;
  letter-spacing: -0.01em;
  margin: 10px 0 4px;
}

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 22px; }

.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}

.stat b { display: block; font-size: 26px; letter-spacing: -0.02em; }
.stat span { color: var(--soft); font-size: 13.5px; }

.gate { display: flex; gap: 8px; margin-top: 14px; }

.gate input {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  color: var(--ink);
  font: 400 15px var(--sans);
  padding: 12px 14px;
  outline: none;
}

.gate input:focus { border-color: var(--ink); }

.hint { font-size: 13px; color: var(--soft); margin-top: 8px; min-height: 1.4em; }

.tips { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }

.tips li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.tips b { display: block; margin-bottom: 2px; }
.tips span { color: var(--soft); }

.deck { display: grid; gap: 12px; margin-top: 16px; }

.flash {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--ink);
  font: inherit;
  text-align: left;
  padding: 20px;
  cursor: pointer;
  min-height: 110px;
}

.flash .back { display: none; color: var(--soft); margin-top: 6px; }
.flash.open { background: var(--yellow); }
.flash.open .back { display: block; }
.flash .q { font-weight: 700; }

.timer-face { text-align: center; padding: 10px 0 4px; }

.timer-digits {
  font-family: var(--mono);
  font-size: clamp(56px, 14vw, 88px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}

.timer-modes { display: flex; gap: 8px; justify-content: center; margin: 14px 0; flex-wrap: wrap; }

.mode {
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 999px;
  padding: 8px 16px;
  font: 600 14px var(--sans);
  color: var(--soft);
  cursor: pointer;
}

.mode.now { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.timer-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

.streak { text-align: center; color: var(--soft); font-size: 14px; margin-top: 12px; }
.streak b { color: var(--green); }

footer {
  margin-top: 44px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--soft);
  font-size: 13.5px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

footer a { color: var(--soft); }

.big-emoji { font-size: 54px; line-height: 1; }

.lucky-hero {
  text-align: center;
  padding: 7vh 0 8px;
}

.lucky-mark {
  font-size: clamp(44px, 10vw, 76px);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin: 0 0 8px;
}

.lead.center { text-align: center; margin-left: auto; margin-right: auto; }
.cta.center { justify-content: center; }

.search {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 6px 6px 18px;
  margin: 24px auto;
  max-width: 560px;
  box-shadow: 0 2px 10px #1c1a160f;
}

.search-icon { font-size: 18px; }

.search input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: 400 16px var(--sans);
  padding: 12px 12px 12px 0;
  outline: none;
}

.viewer {
  margin-top: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
}

.viewer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}

.viewer-title { font-weight: 700; }

.viewer iframe {
  display: block;
  width: 100%;
  height: 62vh;
  min-height: 420px;
  border: 0;
  background: var(--paper);
}

.dice {
  appearance: none;
  border: 0;
  background: transparent;
  font-size: 17px;
  padding: 8px 10px;
  border-radius: 999px;
  cursor: pointer;
  line-height: 1;
}

.dice:hover { background: var(--line); }

@media (max-width: 640px) {
  .stats { grid-template-columns: 1fr; }
  .gate { flex-direction: column; }
}