:root,
html[data-theme="dark"] {
  --bg: #0f1220;
  --bg-spot-1: #2a2158;
  --bg-spot-2: #12324a;
  --card: #181c30;
  --card-top: #1e2340;
  --text: #f4f6ff;
  --muted: #9aa3c7;
  --accent: #ffd54a;
  --ball-shadow: 0 8px 18px rgba(0, 0, 0, 0.28);
  --game-bg: rgba(255, 255, 255, 0.04);
  --line: rgba(255, 255, 255, 0.12);
  --theme-btn-bg: rgba(255, 255, 255, 0.1);
  --theme-btn-text: #f4f6ff;
  --link: #9ecbff;
  color-scheme: dark;
}

html[data-theme="light"] {
  --bg: #eef2fb;
  --bg-spot-1: #d9e4ff;
  --bg-spot-2: #ffe9c4;
  --card: #ffffff;
  --card-top: #f7f9ff;
  --text: #1c2238;
  --muted: #5c6480;
  --accent: #c98900;
  --ball-shadow: 0 6px 14px rgba(28, 34, 56, 0.12);
  --game-bg: rgba(28, 34, 56, 0.04);
  --line: rgba(28, 34, 56, 0.1);
  --theme-btn-bg: #eef2fb;
  --theme-btn-text: #1c2238;
  --link: #1a5fb4;
  color-scheme: light;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Pretendard", "Noto Sans KR", sans-serif;
  color: var(--text);
  line-height: 1.7;
  background:
    radial-gradient(circle at top left, var(--bg-spot-1) 0%, transparent 36%),
    radial-gradient(circle at bottom right, var(--bg-spot-2) 0%, transparent 34%),
    var(--bg);
}

a { color: var(--link); }
a:hover { text-decoration: underline; }

.skip {
  position: absolute;
  left: -999px;
  top: 8px;
}
.skip:focus {
  left: 8px;
  z-index: 10;
  background: var(--card);
  padding: 8px 12px;
}

.wrap {
  width: min(960px, calc(100% - 24px));
  margin: 0 auto;
}

header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--card) 88%, transparent);
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(10px);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: inherit;
  text-decoration: none;
  font-weight: 800;
}

.brand .dice {
  width: 28px;
  height: 28px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-size: 0.92rem;
}

nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

nav a[aria-current="page"] {
  color: var(--accent);
}

.theme-toggle {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--theme-btn-text);
  background: var(--theme-btn-bg);
  cursor: pointer;
}

.hero, .panel, article.page {
  background: linear-gradient(180deg, var(--card-top) 0%, var(--card) 100%);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px 24px;
  margin: 20px 0;
}

h1, h2, h3 { line-height: 1.35; }
h1 { margin: 0 0 10px; font-size: clamp(1.5rem, 3vw, 2rem); }
h2 { margin: 28px 0 10px; font-size: 1.25rem; }
h3 { margin: 18px 0 8px; font-size: 1.05rem; }

.lead, .muted { color: var(--muted); }
.note {
  background: var(--game-bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 0.95rem;
}

.results {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 18px 0;
}

.game {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 6px 12px;
  padding: 10px;
  background: var(--game-bg);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.game-label {
  color: var(--accent);
  font-weight: 800;
  min-width: 3.2em;
}

.balls {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.stamp { margin: 0; color: var(--muted); font-size: 0.85rem; font-weight: 600; }

.ball {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #1a1a1a;
  box-shadow: var(--ball-shadow);
}

.ball.bonus { outline: 2px dashed var(--accent); outline-offset: 2px; }
.plus { color: var(--accent); font-weight: 700; }
.range-1 { background: #fbc531; }
.range-2 { background: #74b9ff; }
.range-3 { background: #ff7675; }
.range-4 { background: #636e72; color: #fff; }
.range-5 { background: #55efc4; }

#draw {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 12px 26px;
  font-size: 1rem;
  font-weight: 700;
  color: #1c1400;
  background: linear-gradient(180deg, #ffe27a, #ffd54a);
  cursor: pointer;
}

.actions { text-align: center; margin: 8px 0 0; }

.ad-slot {
  min-height: 90px;
  margin: 16px 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 36px;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-bottom: 10px;
}

.footer-nav a { color: var(--muted); }

ul { padding-left: 1.2em; }
li { margin: 6px 0; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 20px;
  font-size: 0.95rem;
}

th, td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
}

th { background: var(--game-bg); }