/* Same quiet paper as 雨止み. Red is used once: the moment of a level-up. */
:root {
  --bg: #f3f3f1;
  --ink: #222222;
  --ink-dim: #8a8a86;
  --ghost: #dcdcd8;
  --line: #e4e4e0;
  --signal: #d23a28;
  --f-num: "SF Pro Display", "Helvetica Neue", "Segoe UI", system-ui, sans-serif;
  --f-label: "Hiragino Sans", "Yu Gothic UI", system-ui, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-label);
  font-size: 15px;
  -webkit-tap-highlight-color: transparent;
  -webkit-text-size-adjust: 100%;
}
#main, #settings {
  max-width: 480px;
  margin: 0 auto;
  padding: max(28px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}
[hidden] { display: none !important; }
button, input, select { font: inherit; color: inherit; }
button { appearance: none; background: none; border: 0; padding: 0; cursor: pointer; }
:focus-visible { outline: 1px solid var(--ink-dim); outline-offset: 3px; }

/* notice */
#notice {
  display: block;
  width: 100%;
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink-dim);
  padding: 4px 0 16px;
}

/* level */
#status { display: grid; justify-items: center; gap: 14px; padding: 12px 0 36px; user-select: none; -webkit-user-select: none; }
.lv-label { font-family: var(--f-num); font-weight: 300; font-size: 13px; letter-spacing: 0.3em; color: var(--ink-dim); margin-right: -0.3em; }
#level-row { position: relative; }
#level {
  font-family: var(--f-num);
  font-weight: 200;
  font-size: clamp(72px, 22vw, 128px);
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
#level-dot {
  position: absolute;
  right: -18px;
  top: 12%;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--signal);
  opacity: 0;
  transition: opacity 0.6s ease;
}
#level-dot.flash { opacity: 1; }
#dots { display: grid; grid-template-columns: repeat(20, 4px); gap: 8px; margin-top: 8px; }
#dots i { width: 4px; height: 4px; border-radius: 50%; background: var(--ghost); transition: background 0.6s ease; }
#dots i.on { background: var(--ink); }
#meta { display: flex; gap: 18px; font-family: var(--f-num); font-weight: 300; font-size: 13px; color: var(--ink-dim); font-variant-numeric: tabular-nums; }

/* lists */
.block { padding: 8px 0 20px; }
h2 { font-size: 11px; font-weight: 400; letter-spacing: 0.2em; color: var(--ink-dim); margin: 16px 0 6px; }
.list { list-style: none; margin: 0; padding: 0; }
.list li { border-bottom: 1px solid var(--line); }
.row {
  display: flex; align-items: center; gap: 12px;
  width: 100%; min-height: 52px; padding: 10px 2px;
  text-align: left;
  user-select: none; -webkit-user-select: none;
  -webkit-touch-callout: none;
}
.row .name { flex: 1; line-height: 1.4; overflow-wrap: anywhere; }
.row .pts { font-family: var(--f-num); font-weight: 300; font-size: 14px; color: var(--ink-dim); font-variant-numeric: tabular-nums; }
.row .mark { width: 14px; height: 14px; flex: none; border: 1px solid var(--ink-dim); border-radius: 50%; position: relative; }
.row[aria-pressed="true"] .mark { border-color: var(--ink); background: var(--ink); }
.row[aria-pressed="true"] .name { color: var(--ink-dim); text-decoration: line-through 1px; }
.row.pressing { opacity: 0.5; transition: opacity 0.6s linear; }
.empty { font-size: 13px; color: var(--ink-dim); margin: 12px 2px; min-height: 1em; }

/* buttons */
.quiet { color: var(--ink-dim); font-size: 14px; padding: 12px 2px; }
.quiet:hover { color: var(--ink); }
.ink { color: var(--ink); font-size: 14px; padding: 10px 4px; border-bottom: 1px solid var(--ink); }
.foot { display: block; font-size: 12px; letter-spacing: 0.14em; color: var(--ink-dim); padding: 10px 14px; text-decoration: none; }
.foot:hover { color: var(--ink); }
.foot-nav { display: flex; justify-content: center; gap: 8px; margin-top: 28px; }
.empty a { color: var(--ink-dim); text-underline-offset: 4px; }

/* forms */
input[type="text"], select {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink-dim);
  border-radius: 0;
  padding: 10px 2px;
  font-size: 16px; /* avoids iOS zoom */
  outline: none;
}
input[type="text"]:focus { border-bottom-color: var(--ink); }
#add-form { display: grid; gap: 12px; padding-top: 8px; }
.weights { display: flex; gap: 24px; }
.weights button { color: var(--ink-dim); font-family: var(--f-num); font-weight: 300; padding: 10px 2px; border-bottom: 1px solid transparent; }
.weights button[aria-pressed="true"] { color: var(--ink); border-bottom-color: var(--ink); }
.form-actions { display: flex; justify-content: flex-end; gap: 20px; align-items: center; }

/* settings */
.settings-head { display: grid; justify-items: start; }
.settings-head h2 { margin-top: 20px; }
.edit-row { display: flex; align-items: center; gap: 8px; padding: 4px 0; }
.edit-row input[type="text"] { flex: 1; border-bottom-color: transparent; }
.edit-row input[type="text"]:focus { border-bottom-color: var(--ink); }
.edit-row select { width: auto; border-bottom-color: transparent; color: var(--ink-dim); font-family: var(--f-num); font-size: 14px; }
.edit-row .icon { width: 36px; height: 44px; color: var(--ink-dim); font-size: 14px; }
.edit-row .icon:disabled { opacity: 0.25; cursor: default; }
#daily-form { display: flex; gap: 10px; align-items: end; padding: 12px 0 8px; }
#daily-form input { flex: 1; }
#daily-form select { width: auto; font-size: 14px; color: var(--ink-dim); }
.backup { display: flex; gap: 28px; align-items: center; }
.help { font-size: 13px; line-height: 1.6; color: var(--ink-dim); margin: 4px 2px 8px; }
#restore-form { display: grid; gap: 8px; }
textarea {
  width: 100%;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 10px;
  font: 13px/1.5 ui-monospace, Menlo, monospace;
  color: var(--ink);
  resize: vertical;
  outline: none;
  word-break: break-all;
}
textarea:focus { border-color: var(--ink-dim); }
.version { margin: 40px 2px 0; font-size: 12px; letter-spacing: 0.08em; color: var(--ink-dim); }
#backup-nudge {
  display: block;
  margin: 0 auto 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink);
  padding: 6px 2px;
  border-bottom: 1px solid var(--ink);
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}