:root {
  --bg: #0b1020;
  --card: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.68);
  --primary: #7c3aed;
  --primary2: #a78bfa;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: radial-gradient(1200px 700px at 20% 0%, rgba(124, 58, 237, 0.25), transparent 55%),
              radial-gradient(1000px 600px at 80% 10%, rgba(59, 130, 246, 0.18), transparent 55%),
              var(--bg);
  color: var(--text);
}

.container {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 60px;
}

.header {
  margin-bottom: 16px;
  text-align: center;
}

.title {
  font-size: 26px;
  margin: 0;
}

.subtitle {
  margin: 6px 0 0;
  color: var(--muted);
}

.summary {
  margin: 10px 0 0;
  color: var(--text);
  line-height: 1.5;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  margin-top: 14px;
}

.btn {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  border-color: rgba(124, 58, 237, 0.7);
  background: linear-gradient(180deg, rgba(124, 58, 237, 0.9), rgba(124, 58, 237, 0.65));
}

.btn-secondary {
  border-color: rgba(167, 139, 250, 0.7);
  background: linear-gradient(180deg, rgba(167, 139, 250, 0.85), rgba(167, 139, 250, 0.55));
  margin-top: 10px;
  width: 100%;
}

.btn-ghost {
  padding: 8px 10px;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
}

.label {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
  text-align: center;
}

.textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  padding: 10px 12px;
  outline: none;
  resize: vertical;
  text-align: center;
}

.status {
  margin: 10px 0 0;
  color: var(--muted);
  min-height: 20px;
}

.listHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

.list {
  margin-top: 12px;
}

.month {
  border-top: 1px solid var(--border);
  padding-top: 12px;
  margin-top: 12px;
}

.month-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: 8px 0;
  user-select: none;
}

.month-header:hover {
  opacity: 0.8;
}

.month-title {
  font-weight: 700;
  font-size: 16px;
}

.month-toggle {
  color: var(--primary2);
  font-size: 14px;
  margin-left: 8px;
}

.month-content {
  transition: max-height 0.3s ease;
}

.month-content.collapsed {
  display: none;
}

.day {
  border-top: 1px solid var(--border);
  padding-top: 12px;
  margin-top: 12px;
  padding-left: 12px;
}

.day:first-child {
  border-top: none;
  margin-top: 8px;
}

.dayTitle {
  font-weight: 700;
  margin: 0 0 6px;
}

.item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(0,0,0,0.18);
  margin: 8px 0;
}

.time {
  width: 64px;
  color: var(--primary2);
  font-variant-numeric: tabular-nums;
}

.msg {
  flex: 1;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

.badge {
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  flex-shrink: 0;
  white-space: nowrap;
  align-self: center;
}

.badge-say {
  border-color: rgba(124, 58, 237, 0.9);
  color: rgba(255, 255, 255, 0.92);
  background: rgba(124, 58, 237, 0.22);
}

.badge-miss {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.04);
}

.footer {
  margin-top: 18px;
  color: var(--muted);
}

@media (max-width: 520px) {
  .container {
    width: calc(100% - 24px);
    padding: 18px 0 44px;
  }

  .title {
    font-size: 22px;
  }

  .card {
    padding: 14px;
  }

  .btn {
    width: 100%;
    padding: 12px 12px;
  }

  .btn-ghost {
    width: auto;
  }

  .item {
    gap: 8px;
    padding: 8px 8px;
  }

  .time {
    width: 56px;
  }
}