:root {
  --bg: #eceff3;
  --bg-2: #e2e6ec;
  --panel: #f7f8fa;
  --ink: #12141a;
  --muted: #5c6573;
  --line: #c8ced8;
  --line-soft: #ccd3db;
  --accent: #ff3b1f;
  --accent-ink: #c41f0a;
  --accent-soft: rgba(255, 59, 31, 0.12);
  --ok: #0f7a5a;
  --ball: #1b1f2a;
  --ball-special: #1d4ed8;
  --shadow: 0 1px 0 rgba(18, 20, 26, 0.04), 0 18px 40px rgba(18, 20, 26, 0.06);
  --radius: 4px;
  --font-display: "Archivo Black", "Arial Black", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    linear-gradient(90deg, rgba(18, 20, 26, 0.03) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(rgba(18, 20, 26, 0.03) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(165deg, var(--bg) 0%, var(--bg-2) 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
}

.shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0 14px;
  border-bottom: 2px solid var(--ink);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.brand-mark {
  font-family: var(--font-display);
  font-size: 1.85rem;
  letter-spacing: -0.04em;
  line-height: 1;
}

.brand-mark span {
  color: var(--accent);
}

.brand-sub {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
}

.nav {
  display: flex;
  gap: 18px;
}

.nav a {
  color: var(--muted);
  font-weight: 650;
  font-size: 0.95rem;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}

.nav a:hover,
.nav a.is-active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* Home — one composition */
.home {
  min-height: calc(100vh - 130px);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: end;
  padding: 48px 0 56px;
}

.home-copy {
  max-width: 36rem;
}

.home-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-ink);
  margin-bottom: 18px;
}

.home-kicker::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--accent);
  transform: rotate(45deg);
}

.home-title {
  font-family: var(--font-display);
  font-size: clamp(4.2rem, 12vw, 7.5rem);
  line-height: 0.88;
  letter-spacing: -0.05em;
  margin: 0 0 20px;
}

.home-title span {
  color: var(--accent);
}

.home-lead {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.55;
  max-width: 32rem;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 0;
  background: var(--ink);
  color: #fff;
  padding: 15px 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: background 0.2s ease, transform 0.2s ease;
}

.cta:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

.home-note {
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.86rem;
}

.home-aside {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 22px 20px 18px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.home-aside-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.home-stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.home-stat strong {
  font-family: var(--font-display);
  font-size: 3.4rem;
  letter-spacing: -0.04em;
  line-height: 1;
}

.home-stat span {
  color: var(--muted);
  font-weight: 650;
}

.home-groups {
  display: grid;
  gap: 8px;
  margin-top: auto;
}

.home-group {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: #fff;
  font-weight: 650;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.home-group:hover {
  border-color: var(--ink);
  color: var(--accent-ink);
}

.home-group em {
  font-style: normal;
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 0.85rem;
}

/* Hall */
.page-head {
  padding: 22px 0 16px;
}

.page-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.page-head h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  letter-spacing: -0.03em;
  margin: 0 0 8px;
}

.page-head p {
  margin: 0;
  color: var(--muted);
}

.lot-count {
  color: var(--muted);
  font-size: 0.92rem;
}

.lot-count strong {
  font-family: var(--font-display);
  color: var(--ink);
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.hall-tools {
  display: grid;
  gap: 12px;
  margin: 0 0 14px;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 11px 14px;
}

.search-icon {
  color: var(--muted);
  font-family: var(--font-mono);
}

.search-box input {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  font: inherit;
  color: var(--ink);
  min-width: 0;
}

.search-hint {
  color: var(--muted);
  font-size: 0.88rem;
}

.warn-text {
  color: var(--accent-ink);
}

.sync-badge {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 7px;
  background: var(--accent-soft);
  color: var(--accent-ink);
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-mono);
  vertical-align: middle;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tab {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  padding: 8px 13px;
  font-weight: 650;
}

.tab.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.tab-count {
  margin-left: 4px;
  opacity: 0.7;
  font-family: var(--font-mono);
  font-size: 0.82em;
}

.board {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.board-row {
  display: grid;
  grid-template-columns: minmax(150px, 1.15fr) auto;
  grid-template-areas:
    "name count"
    "period period"
    "balls balls";
  gap: 8px 14px;
  align-items: center;
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
  border-left: 3px solid transparent;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.board-row .lot {
  grid-area: name;
}
.board-row .period {
  grid-area: period;
}
.board-row .balls-wrap {
  grid-area: balls;
}
.board-row .countdown {
  grid-area: count;
  text-align: right;
  justify-self: end;
}

.board-row:last-child {
  border-bottom: 0;
}

.board-row:hover {
  background: #fff;
  border-left-color: var(--accent);
}

.board-row.is-fresh {
  animation: flashRow 1s ease;
}

@keyframes flashRow {
  0% {
    background: var(--accent-soft);
  }
  100% {
    background: transparent;
  }
}

.lot-name {
  font-weight: 750;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.flag-img {
  display: inline-block;
  width: 22px;
  height: 16px;
  object-fit: cover;
  border-radius: 1px;
  box-shadow: 0 0 0 1px rgba(18, 20, 26, 0.15);
  flex: 0 0 auto;
}

.lot-meta {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 2px;
  font-family: var(--font-mono);
}

.period {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  font-size: 0.86rem;
}

.balls {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ball {
  width: 32px;
  height: 32px;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.86rem;
  color: #fff;
  background: var(--ball);
}

.ball.is-ca,
.ball.is-cn {
  background: var(--ball);
}

.ball.is-special {
  background: var(--ball-special);
}

.countdown {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--ok);
  letter-spacing: 0.02em;
}

.countdown.is-due,
.countdown.is-fail {
  color: var(--accent-ink);
}

.muted {
  color: var(--muted);
}

/* Detail */
.detail-wrap {
  padding-bottom: 48px;
}

.back {
  display: inline-flex;
  margin: 14px 0 16px;
  color: var(--muted);
  font-weight: 650;
}

.back:hover {
  color: var(--accent-ink);
}

.detail-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 26px 22px;
}

.detail-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--ink);
}

.detail-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  letter-spacing: -0.03em;
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.detail-sub {
  color: var(--muted);
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.clock-box {
  min-width: 140px;
  text-align: right;
}

.clock-label {
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  margin-bottom: 4px;
}

.clock-value {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.detail-balls .ball {
  width: 48px;
  height: 48px;
  font-size: 1.15rem;
  border-radius: 3px;
}

.history {
  margin-top: 26px;
  width: 100%;
  border-collapse: collapse;
}

.history th,
.history td {
  text-align: left;
  padding: 11px 8px;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}

.history th {
  color: var(--muted);
  font-weight: 650;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.history td:first-child,
.history td:nth-child(2) {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.foot {
  padding: 24px 0 36px;
  color: var(--muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--line);
  margin-top: 32px;
}

@media (max-width: 860px) {
  .home {
    grid-template-columns: 1fr;
    align-items: start;
    padding-top: 28px;
    min-height: auto;
  }

  .home-aside {
    min-height: 0;
  }

  .clock-box {
    text-align: left;
  }
}

@media (min-width: 900px) {
  .board-row {
    grid-template-columns: minmax(180px, 1.1fr) minmax(120px, 0.7fr) minmax(220px, 1.6fr) 88px;
    grid-template-areas: "name period balls count";
    gap: 12px 16px;
  }

  .board-row .period {
    justify-self: start;
  }
}