/* Tailwind CSS CDN */
@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');

:root {
  --c-primary: #4F46E5;
  --c-primary-2: #6366F1;
  --c-primary-3: #818CF8;
  --c-bg: #F8FAFC;
  --c-surface: #FFFFFF;
  --c-ink: #0F172A;
  --c-muted: #64748B;
  --c-line: #E2E8F0;
  --c-ok: #10B981;
  --c-warn: #F59E0B;
  --c-err: #EF4444;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "PingFang SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(99,102,241,0.12), transparent 60%),
    radial-gradient(900px 500px at 0% 0%, rgba(129,140,248,0.10), transparent 55%),
    var(--c-bg);
  color: var(--c-ink);
  min-height: 100vh;
}

.appbar {
  backdrop-filter: saturate(160%) blur(12px);
  background: rgba(255,255,255,0.72);
  border-bottom: 1px solid var(--c-line);
}

.card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: 16px;
  box-shadow: 0 1px 2px rgba(15,23,42,0.04), 0 8px 24px rgba(15,23,42,0.05);
  transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 8px rgba(15,23,42,0.06), 0 16px 40px rgba(79,70,229,0.12);
}

.log-card { position: relative; overflow: hidden; }
.log-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px;
  background: var(--accent, var(--c-primary));
}

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600;
  background: var(--accent-soft, rgba(99,102,241,0.12)); color: var(--accent, var(--c-primary));
}

.tag {
  font-size: 12px; color: var(--c-muted);
  border: 1px solid var(--c-line); border-radius: 8px; padding: 1px 8px;
}

.btn {
  border-radius: 12px; padding: 8px 14px; font-size: 14px; font-weight: 600;
  border: 1px solid var(--c-line); background: #fff; color: var(--c-ink);
  transition: all .15s ease; cursor: pointer;
}
.btn:hover { border-color: var(--c-primary-3); color: var(--c-primary); }
.btn-primary {
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-2));
  color: #fff; border: none;
}
.btn-primary:hover { filter: brightness(1.05); color: #fff; }

.input, .select {
  border: 1px solid var(--c-line); border-radius: 12px; padding: 8px 12px;
  font-size: 14px; background: #fff; color: var(--c-ink); outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.input:focus, .select:focus {
  border-color: var(--c-primary-3);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}

.tabs .tab {
  padding: 8px 16px; border-radius: 12px; font-weight: 600; font-size: 14px;
  color: var(--c-muted); cursor: pointer; transition: all .15s ease;
}
.tabs .tab.active {
  background: var(--c-ink); color: #fff;
}

.dot { width: 8px; height: 8px; border-radius: 999px; display: inline-block; }
.dot.ok { background: var(--c-ok); box-shadow: 0 0 0 3px rgba(16,185,129,0.15); }
.dot.err { background: var(--c-err); box-shadow: 0 0 0 3px rgba(239,68,68,0.15); }

.fade-in { animation: fadeUp .35s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.modal-mask {
  position: fixed; inset: 0; background: rgba(15,23,42,0.45);
  backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal {
  width: min(440px, 92vw); background: #fff; border-radius: 18px; padding: 24px;
  box-shadow: 0 20px 60px rgba(15,23,42,0.25);
}
.empty {
  text-align: center; color: var(--c-muted); padding: 48px 0;
}
.summary-box {
  white-space: pre-wrap; line-height: 1.7; font-size: 14px; color: var(--c-ink);
  background: linear-gradient(135deg, rgba(99,102,241,0.06), rgba(129,140,248,0.02));
  border: 1px solid var(--c-line); border-radius: 14px; padding: 16px 18px;
}