:root {
  --bg: #0e0e0e;
  --bg-card: #1a1a1a;
  --bg-card-2: #232323;
  --fg: #f5f1ea;
  --fg-muted: #b3a99a;
  --accent: #d4a017;
  --line-green: #06c755;
  --border: #2a2a2a;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

.state {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.gate-card {
  max-width: 420px;
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
}
.gate-card h1 {
  font-size: 22px;
  line-height: 1.5;
  margin-bottom: 16px;
}
.gate-card .lead {
  color: var(--fg-muted);
  font-size: 14px;
  margin-bottom: 24px;
}
.btn-primary {
  display: block;
  width: 100%;
  background: var(--line-green);
  color: #fff;
  text-decoration: none;
  padding: 14px;
  border-radius: 10px;
  font-weight: bold;
  font-size: 15px;
  margin-bottom: 12px;
}
.btn-secondary {
  display: block;
  width: 100%;
  background: transparent;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  padding: 12px;
  border-radius: 10px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}
.hero { padding: 16px 0 32px; border-bottom: 1px solid var(--border); margin-bottom: 32px; }
.kicker { color: var(--accent); font-size: 12px; letter-spacing: 0.1em; margin-bottom: 8px; }
.hero h1 { font-size: 32px; margin-bottom: 12px; letter-spacing: 0.05em; }
.hero .lead { color: var(--fg-muted); font-size: 14px; }

.section { margin-bottom: 48px; }
.section h2 { font-size: 18px; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }

.cards { display: grid; gap: 12px; }
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  text-decoration: none;
  color: var(--fg);
  display: block;
  transition: background 0.15s;
}
.card:active { background: var(--bg-card-2); }
.card .card-title { font-weight: bold; margin-bottom: 4px; font-size: 15px; }
.card .card-desc { color: var(--fg-muted); font-size: 13px; }
.card .card-count { color: var(--accent); font-size: 12px; margin-top: 6px; }

.todo-list { list-style: none; }
.todo-list li {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--fg-muted);
}
.note { font-size: 12px; color: var(--fg-muted); margin-top: 12px; }

.footer { margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--border); text-align: center; color: var(--fg-muted); font-size: 12px; }