:root {
  --bg: #0b1020;
  --card: #151c3b;
  --line: #25305c;
  --text: #e8ecff;
  --muted: #9aa6d0;
  --acc: #5b8cff;
  --acc2: #7c5cff;
  --ok: #3ddc97;
  --todo: #f5b84d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 20% -10%, #1b2559 0%, transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  line-height: 1.6;
}

.wrap { width: min(880px, 92vw); margin: 0 auto; }

.hero { padding: 72px 0 40px; }

.eyebrow {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 10px;
}

h1 {
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.25;
  margin: 0 0 14px;
}

.grad {
  background: linear-gradient(90deg, var(--acc), var(--acc2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead { color: var(--muted); max-width: 640px; margin: 0 0 22px; }

.badges { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; }

.badges li {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  color: var(--muted);
}

.badges .ok { color: var(--ok); border-color: rgba(61, 220, 151, 0.35); }
.badges .todo { color: var(--todo); border-color: rgba(245, 184, 77, 0.35); }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 26px 0; }

.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}

.stat b { display: block; font-size: 22px; }
.stat span { color: var(--muted); font-size: 13px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px;
  margin-bottom: 40px;
}

h2 { margin: 0 0 18px; font-size: 20px; }

.note-form { display: grid; gap: 12px; margin-bottom: 22px; }

input, textarea {
  width: 100%;
  background: #0e1430;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  padding: 12px 14px;
  font: inherit;
}

input:focus, textarea:focus {
  outline: 2px solid rgba(91, 140, 255, 0.45);
  border-color: var(--acc);
}

button {
  justify-self: start;
  background: linear-gradient(90deg, var(--acc), var(--acc2));
  color: #fff;
  border: 0;
  border-radius: 12px;
  padding: 12px 22px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

button:hover { filter: brightness(1.08); }

.notes { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }

.notes li {
  background: #0e1430;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
}

.note-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}

.note-head b { color: var(--text); }
.notes p { margin: 8px 0 0; white-space: pre-wrap; word-break: break-word; }
.empty { color: var(--muted); }

footer { text-align: center; color: var(--muted); font-size: 13px; padding: 0 0 40px; }

@media (max-width: 640px) {
  .stats { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
}