:root {
  color-scheme: dark;
  --bg: #06100b;
  --panel: rgba(20, 30, 25, 0.88);
  --panel-soft: rgba(255, 255, 255, 0.045);
  --line: rgba(255, 255, 255, 0.11);
  --text: #f3f7f4;
  --muted: #92a49a;
  --green: #39d76f;
  --green-1: rgba(57, 215, 111, 0.2);
  --green-2: rgba(57, 215, 111, 0.42);
  --green-3: rgba(57, 215, 111, 0.68);
  --empty: rgba(255, 255, 255, 0.075);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", sans-serif;
}

* { box-sizing: border-box; }

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 15% -10%, rgba(38, 181, 94, 0.12), transparent 34rem),
    linear-gradient(180deg, #07130d 0%, #040806 100%);
  color: var(--text);
  min-height: 100vh;
}

.ambient {
  position: fixed;
  width: 30rem;
  height: 30rem;
  border-radius: 50%;
  filter: blur(110px);
  pointer-events: none;
  opacity: 0.12;
}

.ambient-one { top: 5rem; right: -12rem; background: #32dd72; }
.ambient-two { bottom: -14rem; left: -12rem; background: #1b79ff; }

.shell {
  position: relative;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 56px 0 80px;
}

.page-header,
.panel-heading,
.month-title,
.recent-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-header { gap: 32px; margin-bottom: 34px; }

.eyebrow,
.section-kicker {
  margin: 0 0 7px;
  color: var(--green);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.16em;
}

h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 10px; font-size: clamp(34px, 5vw, 54px); line-height: 1.05; letter-spacing: -0.045em; }
h2 { margin-bottom: 0; font-size: 25px; letter-spacing: -0.025em; }
.subtitle { margin-bottom: 0; color: var(--muted); font-size: 17px; }

.sync-state,
.device-count {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  min-height: 42px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 13px var(--green); }
.sync-state.is-error .status-dot { background: #ff7a74; box-shadow: 0 0 13px #ff7a74; }

.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }

.metric-card {
  display: flex;
  align-items: center;
  gap: 15px;
  min-height: 118px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 23px;
  background: linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.025));
  box-shadow: 0 18px 60px rgba(0,0,0,.18);
}

.metric-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 15px;
  background: color-mix(in srgb, currentColor 16%, transparent);
  font-size: 22px;
  font-weight: 800;
}

.accent-blue { color: #47a9ff; }
.accent-orange { color: #ff9a3c; }
.accent-purple { color: #cf65ff; }
.accent-green { color: var(--green); }
.metric-value { display: block; color: var(--text); font-size: 29px; line-height: 1; font-weight: 780; font-variant-numeric: tabular-nums; }
.metric-label { display: block; margin-top: 8px; color: var(--muted); font-size: 13px; }

.panel {
  margin-top: 20px;
  padding: 27px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(28, 39, 33, 0.93), rgba(14, 21, 17, 0.88));
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(20px);
}

.panel-heading { gap: 24px; margin-bottom: 24px; }
.legend { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; }
.legend i { width: 14px; height: 14px; border-radius: 4px; }
.level-1 { background: var(--green-1); }
.level-2 { background: var(--green-2); }
.level-3 { background: var(--green-3); }
.level-4 { background: var(--green); }

.months { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.month-card { padding: 18px; border-radius: 20px; background: var(--panel-soft); border: 1px solid rgba(255,255,255,.055); overflow-x: auto; }
.month-title { margin-bottom: 15px; }
.month-title strong { font-size: 18px; }
.month-title span { color: var(--muted); font-size: 12px; }
.month-layout { display: flex; gap: 9px; min-width: max-content; }
.weekday-labels { display: grid; grid-template-rows: repeat(7, 18px); gap: 5px; padding-top: 0; }
.weekday-labels span { width: 30px; color: var(--muted); font-size: 10px; line-height: 18px; }
.day-grid { display: grid; grid-auto-flow: column; grid-template-rows: repeat(7, 18px); grid-auto-columns: 18px; gap: 5px; }
.day-cell { width: 18px; height: 18px; border-radius: 5px; background: var(--empty); border: 0; padding: 0; }
.day-cell.outside { opacity: .22; }
.day-cell.level-1 { background: var(--green-1); }
.day-cell.level-2 { background: var(--green-2); }
.day-cell.level-3 { background: var(--green-3); }
.day-cell.level-4 { background: var(--green); box-shadow: 0 0 12px rgba(57,215,111,.18); }

.recent-list { display: grid; gap: 10px; }
.recent-row { align-items: flex-start; gap: 16px; min-height: 68px; padding: 16px; border-radius: 17px; background: rgba(255,255,255,.038); border: 1px solid rgba(255,255,255,.05); }
.recent-date { width: 88px; flex: 0 0 auto; }
.recent-date strong { display: block; font-size: 15px; }
.recent-date span { color: var(--muted); font-size: 11px; }
.recent-content { display: grid; flex: 1; gap: 12px; min-width: 0; }
.recent-badges { display: flex; flex-wrap: wrap; gap: 8px; flex: 1; }
.badge { padding: 6px 9px; border-radius: 9px; background: rgba(255,255,255,.055); color: #cbd7d0; font-size: 12px; font-variant-numeric: tabular-nums; }
.book-list { display: grid; gap: 7px; padding-top: 2px; border-top: 1px solid rgba(255,255,255,.065); }
.book-detail { display: grid; grid-template-columns: 42px minmax(150px, 1fr) auto; align-items: center; gap: 11px; min-height: 48px; padding: 8px 10px; border-radius: 13px; background: rgba(0,0,0,.12); }
.book-level { display: inline-grid; place-items: center; min-width: 38px; height: 25px; padding: 0 7px; border-radius: 999px; background: var(--green-1); color: #7aefa1; font-size: 10px; font-weight: 800; letter-spacing: .05em; }
.book-identity { min-width: 0; }
.book-identity strong { display: block; overflow: hidden; color: var(--text); font-size: 14px; text-overflow: ellipsis; white-space: nowrap; }
.book-identity span { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.book-counts { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 7px; }
.book-count { min-width: 56px; padding: 5px 8px; border-radius: 8px; text-align: center; font-size: 11px; font-weight: 700; font-variant-numeric: tabular-nums; }
.book-count.listened { background: rgba(71,169,255,.12); color: #7fc2ff; }
.book-count.read { background: rgba(255,154,60,.12); color: #ffb979; }
.book-duration { color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.empty-state { padding: 50px 20px; text-align: center; color: var(--muted); }
.empty-state strong { display: block; margin-bottom: 7px; color: var(--text); font-size: 18px; }

@media (max-width: 900px) {
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .months { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .shell { width: min(100% - 28px, 1180px); padding-top: 30px; }
  .page-header { align-items: flex-start; flex-direction: column; }
  .metric-grid { gap: 9px; }
  .metric-card { min-height: 98px; padding: 15px; gap: 11px; }
  .metric-icon { width: 39px; height: 39px; border-radius: 12px; }
  .metric-value { font-size: 23px; }
  .panel { padding: 19px; border-radius: 23px; }
  .panel-heading { align-items: flex-start; }
  .recent-row { align-items: flex-start; flex-direction: column; }
  .recent-date { width: auto; }
  .recent-content { width: 100%; }
  .book-detail { grid-template-columns: 42px minmax(0, 1fr); }
  .book-counts { grid-column: 1 / -1; justify-content: flex-start; padding-left: 53px; }
}