:root {
  --black: #141416;
  --ink: #141416;
  --ink-2: #45464b;
  --ink-3: #6b6c72;
  --line: #dcdde0;
  --line-soft: #ececef;
  --paper: #ffffff;
  --canvas: #ececee;
  --accent: #ffd23f;
  --accent-soft: rgba(255, 210, 63, .26);
  --warn: #c2410c;
  --study: #4fa8e8;
  --work: #f08a3c;
  --game: #a77de6;
  --life: #5fbf86;
  --course: #2b8c86;
  --font-body: "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Noto Sans CJK SC", "Microsoft YaHei UI", sans-serif;
  --font-title: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "STSong", serif;
  --font-num: "SF Pro Display", "Roboto", "Segoe UI", var(--font-body);
  --topbar: calc(56px + env(safe-area-inset-top));
  --tabbar: calc(58px + env(safe-area-inset-bottom));
  color-scheme: light;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(rgba(20, 20, 22, .08) 1px, transparent 1.3px) 0 0 / 6px 6px,
    var(--canvas);
  font: 15px/1.5 var(--font-body);
  -webkit-tap-highlight-color: transparent;
}
button, input, select, textarea { font: inherit; color: inherit; }
button {
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--paper);
  cursor: pointer;
}
button:disabled { opacity: .35; cursor: default; }
button.primary { color: #fff; background: var(--black); border-color: var(--black); font-weight: 600; }
button:active:not(:disabled) { transform: translateY(1px); }
.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; }
.muted { color: var(--ink-3); }

/* Top bar ------------------------------------------------------------------ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: var(--topbar);
  padding: env(safe-area-inset-top) 12px 0 16px;
  color: #fff;
  background: var(--black);
  border-bottom: 3px solid var(--accent);
}
.topbar h1 {
  margin: 0;
  font: 900 19px/1.2 var(--font-title);
  letter-spacing: .08em;
}
.topbar p { margin: 2px 0 0; min-height: 16px; font-size: 11px; color: rgba(255, 255, 255, .62); white-space: nowrap; }
.topbar-actions { display: flex; gap: 4px; }
.icon-button {
  display: inline-grid;
  place-items: center;
  width: 40px;
  min-height: 40px;
  padding: 0;
  border: 0;
  background: transparent;
  font-size: 22px;
  line-height: 1;
}
.topbar .icon-button { color: #fff; }
.icon-button svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: square; }
.is-spinning svg { animation: spin .9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.menu {
  position: fixed;
  top: var(--topbar);
  right: 8px;
  z-index: 30;
  width: min(300px, calc(100vw - 16px));
  padding: 14px;
  background: var(--paper);
  border: 1px solid var(--ink);
  box-shadow: 6px 6px 0 rgba(20, 20, 22, .18);
}
.menu p { display: grid; gap: 2px; margin: 0 0 12px; }
.menu p span { font-size: 12px; color: var(--ink-3); }
.menu p strong { font-weight: 500; word-break: break-all; }
.menu button { width: 100%; }

.notice {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(var(--tabbar) + 12px);
  z-index: 40;
  max-width: 520px;
  margin: 0 auto;
  padding: 12px 14px;
  color: #fff;
  background: var(--black);
  border-left: 4px solid var(--accent);
}

/* Layout ------------------------------------------------------------------- */

.content {
  max-width: 600px;
  margin: 0 auto;
  padding: 14px 12px calc(var(--tabbar) + 24px);
}
.tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  padding-bottom: env(safe-area-inset-bottom);
  background: var(--paper);
  border-top: 1px solid var(--ink);
}
.tabbar button {
  min-height: 58px;
  border: 0;
  border-top: 3px solid transparent;
  background: transparent;
  color: var(--ink-3);
  font-size: 14px;
  white-space: nowrap;
}
.tabbar button[aria-current="page"] {
  color: var(--ink);
  font-weight: 700;
  border-top-color: var(--accent);
  background: var(--accent-soft);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 20px 2px 8px;
  font: 900 15px/1.3 var(--font-title);
  letter-spacing: .04em;
}
.section-title::before { content: ""; width: 4px; height: 15px; background: var(--accent); }
.empty {
  padding: 32px 16px;
  color: var(--ink-3);
  text-align: center;
  background: var(--paper);
  border: 1px dashed var(--line);
}
.stale {
  margin: 10px 0 0;
  padding: 8px 12px;
  font-size: 13px;
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
}

/* Forms -------------------------------------------------------------------- */

.panel {
  display: grid;
  gap: 14px;
  margin-top: 10px;
  padding: 20px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 4px solid var(--black);
}
.panel h2 { margin: 0; font: 900 20px/1.2 var(--font-title); }
.hint { margin: -6px 0 0; color: var(--ink-3); font-size: 13px; word-break: break-all; }
.panel label { display: grid; gap: 6px; color: var(--ink-2); font-size: 13px; white-space: nowrap; }
.panel input, .panel textarea, select {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #fff;
  font-size: 16px;
}
.panel textarea { resize: vertical; font-family: var(--font-num); font-size: 13px; word-break: break-all; }
.panel input:focus, .panel textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--ink); }
.panel details { display: grid; gap: 12px; }
.panel summary { color: var(--ink-2); font-size: 13px; cursor: pointer; }
.panel details[open] summary { margin-bottom: 12px; }
.panel details label + label { margin-top: 12px; }
.actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* Today -------------------------------------------------------------------- */

.hero {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: end;
  gap: 16px;
  padding: 16px;
  color: #fff;
  background: var(--black);
  border-left: 6px solid var(--accent);
}
.hero > div { display: grid; }
.hero-date { font-size: 40px; font-weight: 800; line-height: 1; letter-spacing: -.02em; }
.hero > div span:last-child { color: rgba(255, 255, 255, .7); font-size: 13px; }
.hero dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 0; }
.hero dl div { display: grid; justify-items: end; }
.hero dt { color: rgba(255, 255, 255, .6); font-size: 12px; white-space: nowrap; }
.hero dd { margin: 0; font-size: 24px; font-weight: 700; line-height: 1.2; }
.hero .is-late dd { color: var(--accent); }

/* Tasks -------------------------------------------------------------------- */

.tasks, .agenda, .breakdown { margin: 0; padding: 0; list-style: none; background: var(--paper); border: 1px solid var(--line); }
.task {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: start;
  padding: 12px;
  border-bottom: 1px solid var(--line-soft);
}
.task:last-child { border-bottom: 0; }
.task.is-important { box-shadow: inset 3px 0 0 var(--accent); }
.check { width: 18px; height: 18px; margin-top: 2px; border: 2px solid var(--ink); }
.task.is-done .check { background: var(--black) linear-gradient(transparent, transparent); position: relative; }
.task.is-done .check::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  width: 5px;
  height: 10px;
  border: solid var(--accent);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.task-body { display: grid; gap: 3px; min-width: 0; }
.task-body strong { font-weight: 600; overflow-wrap: anywhere; }
.task.is-done .task-body strong { color: var(--ink-3); text-decoration: line-through; text-decoration-color: var(--line); }
.meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0 6px; color: var(--ink-3); font-size: 12px; }
.cat { padding: 0 5px; font-style: normal; font-size: 11px; color: var(--ink); background: var(--line-soft); border-left: 3px solid var(--ink-3); }
.cat-study { border-left-color: var(--study); }
.cat-work { border-left-color: var(--work); }
.cat-game { border-left-color: var(--game); }
.cat-life { border-left-color: var(--life); }
.progress { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--ink-2); }
progress {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  max-width: 160px;
  height: 6px;
  border: 0;
  background: var(--line-soft);
}
progress::-webkit-progress-bar { background: var(--line-soft); }
progress::-webkit-progress-value { background: var(--black); }
progress::-moz-progress-bar { background: var(--black); }
.due { padding: 1px 6px; font-size: 12px; white-space: nowrap; background: var(--line-soft); }
.due.is-late { color: #fff; background: var(--warn); }
.task.is-overdue .task-body .meta { color: var(--warn); }

.chips { display: flex; gap: 6px; overflow-x: auto; margin: 0 -12px 12px; padding: 0 12px 2px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chips button {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 12px;
  border-color: var(--line);
  white-space: nowrap;
}
.chips button span { color: var(--ink-3); font-size: 12px; }
.chips button[aria-pressed="true"] { color: #fff; background: var(--black); border-color: var(--black); }
.chips button[aria-pressed="true"] span { color: var(--accent); }

/* Schedule ----------------------------------------------------------------- */

.week { display: grid; grid-template-columns: 32px 1fr 32px; align-items: center; gap: 4px; }
.week .icon-button { width: 32px; }
.week-days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.week-days button {
  display: grid;
  justify-items: center;
  gap: 1px;
  min-height: 62px;
  padding: 6px 0 4px;
  border-color: var(--line);
}
.week-days span { font-size: 11px; color: var(--ink-3); }
.week-days strong { font-size: 18px; }
.week-days i { width: 5px; height: 5px; }
.week-days i.has-items { background: var(--ink-3); }
.week-days .is-today { border-color: var(--ink); }
.week-days button[aria-pressed="true"] { color: #fff; background: var(--black); border-color: var(--black); }
.week-days button[aria-pressed="true"] span { color: rgba(255, 255, 255, .7); }
.week-days button[aria-pressed="true"] i.has-items { background: var(--accent); }

.agenda-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  padding: 12px;
  border-bottom: 1px solid var(--line-soft);
  border-left: 3px solid var(--ink);
}
.agenda-row:last-child { border-bottom: 0; }
.agenda-row.is-course { border-left-color: var(--course); }
.agenda-row.is-done { opacity: .55; }
.agenda-time { display: grid; font-weight: 700; }
.agenda-time small { color: var(--ink-3); font-weight: 400; font-size: 12px; }
.agenda-row strong { font-weight: 600; overflow-wrap: anywhere; }
.agenda-row > div { display: grid; gap: 2px; }

/* Journal ------------------------------------------------------------------ */

.filters { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.filters select { min-height: 40px; padding: 6px 10px; font-size: 15px; }
.entry { margin-bottom: 12px; padding: 14px 16px; background: var(--paper); border: 1px solid var(--line); border-top: 3px solid var(--black); }
.entry header { display: flex; align-items: baseline; gap: 10px; color: var(--ink-3); font-size: 13px; }
.entry-date { color: var(--ink); font-size: 22px; font-weight: 800; }
.entry h4 { margin: 8px 0 0; font: 900 17px/1.35 var(--font-title); }
.entry-body { margin-top: 8px; line-height: 1.75; overflow-wrap: anywhere; }
.entry-body p { margin: 0 0 .7em; }
.entry-body p:last-child { margin-bottom: 0; }
.entry-body strong { background: linear-gradient(transparent 60%, var(--accent-soft) 60%); }
.entry footer { display: flex; flex-wrap: wrap; gap: 6px 10px; margin-top: 10px; padding-top: 8px; border-top: 1px dashed var(--line); font-size: 12px; }
.tag { color: var(--ink-2); }

/* Account book ------------------------------------------------------------- */

.month-switch { display: grid; grid-template-columns: 40px 1fr 40px; align-items: center; text-align: center; margin-bottom: 8px; }
.month-switch strong { font: 900 17px/1.2 var(--font-title); }
.ledger { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--ink); border: 1px solid var(--ink); }
.ledger > div { display: grid; gap: 2px; padding: 12px 14px; background: var(--paper); }
.ledger span { color: var(--ink-3); font-size: 12px; }
.ledger strong { font-size: 18px; }
.ledger .ledger-main { grid-column: 1 / -1; color: #fff; background: var(--black); }
.ledger .ledger-main span { color: rgba(255, 255, 255, .65); }
.ledger .ledger-main strong { font-size: 30px; color: var(--accent); }
.breakdown li {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
}
.breakdown li:last-child { border-bottom: 0; }
.breakdown span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.breakdown progress { max-width: none; }
.ledger-day { margin-bottom: 10px; background: var(--paper); border: 1px solid var(--line); }
.ledger-day header { display: flex; justify-content: space-between; padding: 8px 12px; font-size: 12px; color: var(--ink-3); background: #f6f6f7; border-bottom: 1px solid var(--line-soft); }
.ledger-day ul { margin: 0; padding: 0; list-style: none; }
.ledger-day li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 12px; border-bottom: 1px solid var(--line-soft); }
.ledger-day li:last-child { border-bottom: 0; }
.ledger-day li > div { display: grid; min-width: 0; }
.ledger-day li strong { font-weight: 500; }
.amount { font-weight: 700; white-space: nowrap; }
.amount.income { color: #1f7a4d; }

@media (min-width: 640px) {
  .content { padding-top: 20px; }
}