:root {
  --bg: #ffffff;
  --ink: #000000;
  --muted: #6b6e76;
  --line: #e6e6e6;
  --up: #00c805;
  --down: #ff5000;
  --signs: #1c4ed8;
  --card: #f7f7f8;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.4;
}

button, input, textarea { font: inherit; color: inherit; }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.1rem 0.4rem;
}

.brand { margin: 0; font-weight: 700; font-size: 1.05rem; }

.text-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0.4rem 0;
  cursor: pointer;
}

main {
  width: min(32rem, 100%);
  margin: 0 auto;
  padding: 0.25rem 1.1rem 6.2rem;
}

h1 { font-size: 1.7rem; font-weight: 700; margin: 0.2rem 0 0.35rem; letter-spacing: -0.03em; }
h2 { font-size: 1.05rem; margin: 0; }
h3 { font-size: 0.95rem; margin: 0 0 0.35rem; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.eyebrow, .lede, .hero-sub, .empty, .chart-caption, .note-label span, .field-label {
  color: var(--muted);
}

.eyebrow { margin: 0.6rem 0 0; font-size: 0.85rem; }
.lede { margin: 0 0 1rem; }
.hero {
  margin: 0;
  font-size: clamp(3.2rem, 16vw, 4.4rem);
  font-weight: 560;
  letter-spacing: -0.04em;
  line-height: 1;
}
.hero.up { color: var(--up); }
.hero.down { color: var(--down); }
.hero-sub { margin: 0.35rem 0 0.2rem; }

.chart { width: 100%; min-height: 9.5rem; margin: 0.4rem 0 0.6rem; }
.chart svg { width: 100%; height: auto; display: block; }
.chart-caption { margin: 0 0 1.2rem; font-size: 0.9rem; }

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  margin-top: 0.4rem;
}

.stat {
  background: var(--card);
  border-radius: 0.9rem;
  padding: 0.75rem 0.85rem;
}

.stat strong { display: block; font-size: 1.35rem; letter-spacing: -0.03em; }
.stat span { color: var(--muted); font-size: 0.82rem; }

.choice-row, .views { display: flex; flex-wrap: wrap; gap: 0.45rem; }

.choice, .chip, .views button, .num, .save {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  min-height: 2.75rem;
  padding: 0.45rem 0.95rem;
  cursor: pointer;
}

.choice { flex: 1 1 5.5rem; border-radius: 0.85rem; font-weight: 650; }

.views button[aria-current="page"],
.choice[aria-pressed="true"],
.chip[aria-pressed="true"],
.num[aria-pressed="true"] {
  background: #000;
  border-color: #000;
  color: #fff;
}

.chip[data-polarity="lucky"][aria-pressed="true"] {
  background: var(--up);
  border-color: var(--up);
  color: #fff;
}

.chip[data-polarity="unlucky"][aria-pressed="true"] {
  background: var(--down);
  border-color: var(--down);
  color: #fff;
}

fieldset { border: 0; margin: 1rem 0 0; padding: 0; }
legend, .field-label, .note-label { display: block; margin-bottom: 0.45rem; }
.field-label, .note-label { margin-top: 0.95rem; }

textarea, input[type="number"], input[type="date"], input[type="url"] {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 0.8rem;
  padding: 0.75rem 0.8rem;
  min-height: 2.75rem;
}

textarea { resize: vertical; }

.form-error { color: var(--down); margin: 0.55rem 0 0; }

.save {
  width: 100%;
  margin-top: 0.9rem;
  background: #000;
  border-color: #000;
  color: #fff;
  border-radius: 0.85rem;
  font-weight: 650;
}

.save:disabled { opacity: 0.4; }

.recent { margin-top: 1.8rem; }
.recent-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.65rem;
}
.recent-head p { margin: 0; color: var(--muted); }

.entry-list, .day-line { list-style: none; margin: 0; padding: 0; }

.entry, .moment {
  border-top: 1px solid var(--line);
  padding: 0.8rem 0;
}

.entry {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.2rem 0.75rem;
}

.entry-meta { margin: 0; }
.entry-note, .media-links { margin: 0.25rem 0 0; grid-column: 1 / -1; }
.media-links a { color: var(--ink); }

.mark {
  display: inline-block;
  margin-right: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
}
.mark.lucky { color: var(--up); }
.mark.unlucky { color: var(--down); }

.delete {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 0.2rem;
}

.day h2 { margin: 1rem 0 0.2rem; font-size: 0.95rem; }

.games-nav { margin-bottom: 1rem; }
.number-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.4rem;
}
.num { border-radius: 0.7rem; padding: 0.7rem 0; }
.num.hit { background: #e9fbe8; border-color: var(--up); color: #067006; }
.num.miss { background: #fff1eb; border-color: var(--down); color: var(--down); }

.stack-form { display: grid; gap: 0.7rem; }
.stack-form label { display: grid; gap: 0.3rem; }

.game-result {
  margin-top: 0.9rem;
  padding: 0.85rem;
  background: var(--card);
  border-radius: 0.85rem;
}

.rhythm-today {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
  margin: 0.2rem 0 0.6rem;
}
.rhythm-today p { margin: 0; }
.rhythm-today strong { display: block; font-size: 1.25rem; }
.rhythm-today span { color: var(--muted); font-size: 0.78rem; }

.legend { display: flex; gap: 0.8rem; margin: 0.2rem 0 0.8rem; font-size: 0.82rem; }
.legend i {
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  margin-right: 0.25rem;
}
.readout {
  background: var(--card);
  border-radius: 0.9rem;
  padding: 0.85rem 0.95rem;
  margin-bottom: 0.8rem;
}
.readout p { margin: 0; color: var(--muted); font-size: 0.92rem; }

.tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 0.35rem 0.2rem calc(0.35rem + env(safe-area-inset-bottom));
  z-index: 3;
}

.tabbar button {
  border: 0;
  background: transparent;
  color: var(--muted);
  min-height: 2.8rem;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 600;
}

.tabbar button[aria-current="page"] { color: #000; }

dialog {
  border: 0;
  border-radius: 1rem;
  padding: 1.2rem;
  width: min(24rem, calc(100% - 2rem));
}
dialog::backdrop { background: rgba(0, 0, 0, 0.45); }
dialog p { color: var(--muted); }

@media (min-width: 40rem) {
  .tabbar { left: 50%; right: auto; width: min(32rem, 100%); transform: translateX(-50%); border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
}