*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #09090b;
  --surface: rgba(24,24,27,0.75);
  --border: rgba(255,255,255,0.1);
  --cyan: #06b6d4;
  --magenta: #e11d48;
  --green: #10b981;
  --red: #ef4444;
  --yellow: #f59e0b;
  --orange: #f97316;
  --text: #f4f4f5;
  --muted: #a1a1aa;
  --en: 'Inter', sans-serif;
  --ja: 'Noto Sans JP', sans-serif;
  --mono: 'JetBrains Mono', monospace;
}
html, body {
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 15% 20%, rgba(6,182,212,0.07) 0%, transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(225,29,72,0.07) 0%, transparent 45%);
  color: var(--text);
  font-family: var(--ja);
}
.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

/* ── HEADER ── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 16px;
  flex-wrap: wrap;
}
.logo-wrap { display: flex; align-items: baseline; gap: 12px; }
.logo {
  font-family: var(--en); font-size: 2rem; font-weight: 900;
  background: linear-gradient(135deg, #fff, var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: 0.08em;
  filter: drop-shadow(0 4px 16px rgba(6,182,212,0.4));
}
.logo-tag {
  font-family: var(--mono); font-size: 0.75rem; color: var(--muted);
  background: rgba(255,255,255,0.06); border: 1px solid var(--border);
  border-radius: 6px; padding: 4px 10px; letter-spacing: 0.15em;
}
.status-row { display: flex; align-items: center; gap: 12px; }
.dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s ease-in-out infinite;
}
.dot.offline { background: var(--red); box-shadow: 0 0 8px var(--red); animation: none; }
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:0.4;} }
.status-text { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); letter-spacing: 0.1em; }
.next-refresh { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); }

/* ── DISCLAIMER ── */
.disclaimer {
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: 14px;
  padding: 14px 20px;
  margin-bottom: 32px;
  font-size: 0.85rem;
  color: #fcd34d;
  line-height: 1.6;
  letter-spacing: 0.02em;
}
.disclaimer strong { color: var(--yellow); }

/* ── CARDS GRID ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  backdrop-filter: blur(24px);
  transition: all 0.3s cubic-bezier(0.16,1,0.3,1);
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-3px); border-color: rgba(255,255,255,0.2); box-shadow: 0 12px 32px rgba(0,0,0,0.4); }
.card-label {
  font-family: var(--en); font-size: 0.72rem; font-weight: 700;
  color: var(--muted); letter-spacing: 0.2em; text-transform: uppercase;
  margin-bottom: 16px; display: flex; align-items: center; gap: 8px;
}
.card-label-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.card-value {
  font-family: var(--en); font-size: 3rem; font-weight: 900;
  line-height: 1; letter-spacing: -0.03em; margin-bottom: 8px;
}
.card-sub {
  font-family: var(--mono); font-size: 0.78rem; color: var(--muted);
  letter-spacing: 0.08em;
}
.card-note {
  font-size: 0.72rem; color: var(--muted); margin-top: 4px;
  font-style: italic;
}

/* ── GAUGE ── */
.section-title {
  font-family: var(--en); font-size: 0.8rem; font-weight: 700;
  color: var(--muted); letter-spacing: 0.2em; text-transform: uppercase;
  margin-bottom: 16px; display: flex; align-items: center; gap: 10px;
}
.section-title::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}
.gauges-grid {
  display: flex; flex-direction: column; gap: 16px;
  margin-bottom: 32px;
}
.gauge-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px 26px;
  backdrop-filter: blur(24px);
  transition: all 0.3s cubic-bezier(0.16,1,0.3,1);
}
.gauge-card:hover { border-color: rgba(255,255,255,0.18); }
.gauge-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.gauge-name {
  font-family: var(--en); font-size: 0.82rem; font-weight: 700;
  color: var(--text); letter-spacing: 0.1em;
}
.gauge-limit {
  font-family: var(--mono); font-size: 0.75rem; color: var(--muted);
}
.gauge-bar-wrap {
  width: 100%; height: 8px; background: rgba(255,255,255,0.06);
  border-radius: 4px; overflow: hidden; margin-bottom: 10px;
}
.gauge-bar {
  height: 100%; border-radius: 4px;
  transition: width 1s cubic-bezier(0.16,1,0.3,1), background 0.5s;
  min-width: 2px;
}
.gauge-bar.safe { background: linear-gradient(90deg, var(--green), #34d399); }
.gauge-bar.warn { background: linear-gradient(90deg, var(--yellow), #fbbf24); box-shadow: 0 0 8px rgba(245,158,11,0.4); }
.gauge-bar.danger { background: linear-gradient(90deg, var(--red), #f87171); box-shadow: 0 0 8px rgba(239,68,68,0.4); }
.gauge-footer {
  display: flex; align-items: center; justify-content: space-between;
}
.gauge-vals {
  font-family: var(--mono); font-size: 0.8rem; color: var(--text);
}
.gauge-pct {
  font-family: var(--en); font-size: 0.8rem; font-weight: 700;
  color: var(--muted);
}
.gauge-tag {
  font-size: 0.68rem; padding: 3px 8px; border-radius: 6px;
  font-family: var(--en); font-weight: 700; letter-spacing: 0.08em;
}
.tag-estimated { background: rgba(6,182,212,0.15); color: var(--cyan); border: 1px solid rgba(6,182,212,0.3); }
.tag-session { background: rgba(16,185,129,0.15); color: var(--green); border: 1px solid rgba(16,185,129,0.3); }
.tag-live { background: rgba(225,29,72,0.15); color: #fb7185; border: 1px solid rgba(225,29,72,0.3); }

/* ── CONSOLE LOG ── */
.log-card {
  background: rgba(9,9,11,0.9);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  font-family: var(--mono);
  font-size: 0.78rem;
  max-height: 200px;
  overflow-y: auto;
  margin-bottom: 32px;
}
.log-card::-webkit-scrollbar { width: 4px; }
.log-card::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 2px; }
.log-line { color: var(--muted); line-height: 1.7; }
.log-line .ts { color: rgba(255,255,255,0.25); margin-right: 8px; }
.log-line .ok { color: var(--green); }
.log-line .warn { color: var(--yellow); }
.log-line .err { color: var(--red); }

/* ── FOOTER ── */
.footer {
  text-align: center;
  font-family: var(--mono); font-size: 0.72rem;
  color: rgba(255,255,255,0.2); letter-spacing: 0.1em;
  line-height: 2;
}
.footer a { color: var(--cyan); text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* ── LOADING ── */
.loading-val { opacity: 0.3; animation: blink 1.2s ease-in-out infinite; }
@keyframes blink { 0%,100%{opacity:0.3;} 50%{opacity:0.7;} }

@media (max-width: 600px) {
  .container { padding: 24px 16px 60px; }
  .card-value { font-size: 2.2rem; }
  .room-size { display: none; }
}