/* --accent (and --accent-text) are set from Settings by app.js;
   the surface colors are tinted from it so the whole app follows the chosen color. */
:root {
  color-scheme: light;
  --accent: #9b87f5;
  --accent-text: #ffffff;
  --bg: color-mix(in srgb, var(--accent) 12%, #f6f6fa);
  --panel: color-mix(in srgb, var(--accent) 3%, #ffffff);
  --text: #1f1d2b;
  --muted: #6d6a80;
  --border: color-mix(in srgb, var(--accent) 20%, #e6e6ee);
  --hover: color-mix(in srgb, var(--accent) 12%, #ffffff);
  --accent-soft: color-mix(in srgb, var(--accent) 24%, #ffffff);
  --danger: #d64545;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(30, 20, 60, .07);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="aggressive"]) {
    color-scheme: dark;
    --bg: color-mix(in srgb, var(--accent) 7%, #121218);
    --panel: color-mix(in srgb, var(--accent) 5%, #1b1b23);
    --text: #e8e6f0;
    --muted: #9a97ab;
    --border: color-mix(in srgb, var(--accent) 16%, #2a2a35);
    --hover: color-mix(in srgb, var(--accent) 14%, #1b1b23);
    --accent-soft: color-mix(in srgb, var(--accent) 30%, #1b1b23);
    --danger: #ef6b6b;
    --shadow: none;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: color-mix(in srgb, var(--accent) 7%, #121218);
  --panel: color-mix(in srgb, var(--accent) 5%, #1b1b23);
  --text: #e8e6f0;
  --muted: #9a97ab;
  --border: color-mix(in srgb, var(--accent) 16%, #2a2a35);
  --hover: color-mix(in srgb, var(--accent) 14%, #1b1b23);
  --accent-soft: color-mix(in srgb, var(--accent) 30%, #1b1b23);
  --danger: #ef6b6b;
  --shadow: none;
}

/* "Aggressive": the whole app in the accent color, the same whatever the OS theme */
:root[data-theme="aggressive"] {
  color-scheme: light;
  --bg: color-mix(in srgb, var(--accent) 72%, #ffffff);
  --panel: color-mix(in srgb, var(--accent) 48%, #ffffff);
  --text: color-mix(in srgb, var(--accent) 25%, #150a2a);
  --muted: color-mix(in srgb, var(--accent) 45%, #24163f);
  --border: color-mix(in srgb, var(--accent) 85%, #ffffff);
  --hover: color-mix(in srgb, var(--accent) 65%, #ffffff);
  --accent-soft: color-mix(in srgb, var(--accent) 75%, #ffffff);
  --danger: #b0104f;
  --shadow: 0 6px 18px color-mix(in srgb, var(--accent) 70%, #2a0f4a 30%);
}
:root[data-theme="aggressive"] body {
  background: linear-gradient(135deg,
    var(--accent),
    color-mix(in srgb, var(--accent) 55%, #ff8fc8)) fixed;
}
:root[data-theme="aggressive"] .col { border-color: color-mix(in srgb, var(--accent) 70%, #ffffff); }
:root[data-theme="aggressive"] .btn.primary,
:root[data-theme="aggressive"] .scope-btn.active,
:root[data-theme="aggressive"] .cal-day.selected { background: color-mix(in srgb, var(--accent) 80%, #2a0f4a); border-color: transparent; color: #ffffff; }
:root[data-theme="aggressive"] .group-head,
:root[data-theme="aggressive"] .col-head h2 { color: color-mix(in srgb, var(--accent) 70%, #1a1030); }
:root[data-theme="aggressive"] .btn.primary { box-shadow: 0 2px 8px color-mix(in srgb, var(--accent) 60%, transparent); }

* { box-sizing: border-box; }

html, body { height: 100%; margin: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 "Segoe UI", system-ui, -apple-system, sans-serif;
}

button, input, select, textarea { font: inherit; color: inherit; }

/* ---------- Layout ---------- */
.app {
  display: grid;
  grid-template-columns: 320px 1fr 260px;
  gap: 12px;
  height: 100vh;
  padding: 12px;
}

.col {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
}

.col-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.col-head h2 { margin: 0; font-size: 16px; font-weight: 600; flex: 1; }

/* ---------- Buttons ---------- */
.btn {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { background: var(--hover); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--danger); }

.icon-btn {
  border: none;
  background: none;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 6px;
  color: var(--muted);
}
.icon-btn:hover { background: var(--hover); color: var(--text); }

.toggle { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; color: var(--muted); }

input[type="text"], input[type="search"], input[type="date"], input[type="number"], select, textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }

/* ---------- Calendar ---------- */
.col-calendar .col-head h2 { text-align: center; }

.cal-weekdays, .cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.cal-weekdays span {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  padding-bottom: 4px;
}

.cal-day {
  aspect-ratio: 1;
  border: 1px solid transparent;
  border-radius: 8px;
  background: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 0;
}
.cal-day:hover { background: var(--hover); }
.cal-day.other { color: var(--muted); opacity: .5; }
.cal-day.today { border-color: var(--accent); font-weight: 600; }
.cal-day.selected { background: var(--accent); color: var(--accent-text); opacity: 1; }

.dots { display: flex; gap: 2px; height: 5px; }
.dot { width: 5px; height: 5px; border-radius: 50%; }

.cal-day.in-range:not(.selected) { background: var(--accent-soft); }
.cal-day.in-range.other { opacity: .8; }

.scope-label {
  margin-top: 16px;
  margin-bottom: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.scope-bar { display: flex; flex-direction: column; gap: 8px; }
.scope-row { display: flex; flex-wrap: wrap; gap: 6px; }
.scope-row + .scope-row { padding-top: 8px; border-top: 1px solid var(--border); }
.scope-btn {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 999px;
  padding: 4px 12px;
  cursor: pointer;
  font-size: 13px;
}
.scope-btn:hover { background: var(--hover); }
.scope-btn.active { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }

/* ---------- Notes ---------- */
.notes-head input[type="search"] { flex: 0 1 220px; min-width: 0; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.chips:empty { display: none; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 2px 4px 2px 10px;
  font-size: 12px;
}
.chip button { border: none; background: none; cursor: pointer; padding: 0 4px; color: var(--muted); }

.notes-list {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-right: 4px;
}

.day-group { display: flex; flex-direction: column; gap: 8px; }

.group-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}
.group-head.is-today { color: var(--accent); border-bottom-color: var(--accent); }
.group-head.is-past { color: var(--muted); }

.section-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-top: 8px;
}

.group-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}

.note-card {
  border: 1px solid var(--border);
  border-left: 4px solid var(--card-color, var(--border));
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
  background: var(--panel);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 110px;
}
.note-card:hover { background: var(--hover); }

.note-card h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  gap: 6px;
  overflow-wrap: anywhere;
}
.note-card h3 .pin { margin-left: auto; }

.note-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.note-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.check {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  border: 2px solid var(--muted);
  border-radius: 50%;
  background: none;
  cursor: pointer;
  padding: 0;
  display: grid;
  place-items: center;
  font-size: 11px;
  line-height: 1;
  color: var(--accent-text);
}
.check:hover { border-color: var(--accent); }
.note-card.done .check { background: var(--accent); border-color: var(--accent); }

.note-card.done { opacity: .6; }
.note-card.done h3 > span:not(.pin),
.viewer.done .v-head h2 { text-decoration: line-through; }

.badge.done-badge { background: var(--accent); color: var(--accent-text); }

#vDone[hidden], #vPostpone[hidden], #ppFromRow[hidden] { display: none !important; }

/* ---------- Postpone ---------- */
#postpone { width: min(460px, calc(100vw - 32px)); }
.pp-what { font-weight: 600; overflow-wrap: anywhere; }
.pp-quick { display: flex; flex-wrap: wrap; gap: 6px; }
.pp-preview {
  margin: 0;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--accent-soft);
  white-space: pre-line;
  font-size: 13px;
}
.pp-preview.warn { background: color-mix(in srgb, var(--danger) 15%, var(--panel)); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.note-meta { display: flex; gap: 6px; flex-wrap: wrap; font-size: 11px; color: var(--muted); }
.badge { background: var(--bg); border-radius: 4px; padding: 1px 6px; }

.empty { color: var(--muted); text-align: center; padding: 40px 10px; grid-column: 1 / -1; }

/* ---------- Categories ---------- */
.cat-list { list-style: none; margin: 0; padding: 0; overflow-y: auto; flex: 1; }

.cat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 8px;
  cursor: pointer;
}
.cat-item:hover { background: var(--hover); }
.cat-item.active { background: var(--accent-soft); font-weight: 600; }

.swatch { width: 12px; height: 12px; border-radius: 4px; flex: none; border: none; padding: 0; }
input.swatch { cursor: pointer; }
input.swatch::-webkit-color-swatch-wrapper { padding: 0; }
input.swatch::-webkit-color-swatch { border: none; border-radius: 4px; }

.cat-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cat-name[contenteditable="true"] { outline: 1px solid var(--accent); border-radius: 4px; padding: 0 4px; }
.count { color: var(--muted); font-size: 12px; }

.cat-tools { display: none; }
.cat-item:hover .cat-tools { display: flex; }
.cat-tools .icon-btn { font-size: 13px; padding: 2px 5px; }

.cat-add { display: flex; gap: 6px; margin-top: 10px; align-items: center; }
.cat-add input[type="text"] { flex: 1; min-width: 0; }
.cat-add input[type="color"] { width: 32px; height: 32px; border: none; background: none; padding: 0; cursor: pointer; }

.backup {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.backup .settings-btn, .account { grid-column: 1 / -1; }
.account { display: flex; flex-direction: column; gap: 4px; font-size: 11px; color: var(--muted); }
.sync-status:empty { display: none; }
.sync-status.error { color: var(--danger); }
.account-row { display: flex; gap: 6px; align-items: baseline; min-width: 0; }
.account-email { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.link-btn { border: none; background: none; padding: 0; margin-left: auto; cursor: pointer; color: var(--muted); text-decoration: underline; font-size: 11px; white-space: nowrap; }
.link-btn:hover { color: var(--text); }
.link-btn[hidden] { display: none; }

/* ---------- Editor ---------- */
dialog {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  color: var(--text);
  padding: 0;
  width: min(640px, calc(100vw - 32px));
}
dialog::backdrop { background: rgba(10, 12, 20, .45); }

.editor-form { display: flex; flex-direction: column; gap: 10px; padding: 16px; }

.ed-title { font-size: 18px; font-weight: 600; }

textarea { min-height: 260px; resize: vertical; }

.ed-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-end; }
.ed-row label:not(.toggle) { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.ed-row select, .ed-row input { color: var(--text); font-size: 14px; }
.ed-date { display: flex; align-items: center; }

.ed-actions { display: flex; align-items: center; gap: 10px; }
.ed-meta { flex: 1; text-align: right; font-size: 12px; color: var(--muted); }

#edInterval, #ppDays { width: 70px; }
.unit-label { margin-left: 6px; color: var(--text); font-size: 14px; }
.repeat-opt[hidden] { display: none !important; }

/* ---------- Viewer ---------- */
.viewer { display: flex; flex-direction: column; gap: 12px; padding: 18px; }
.v-head { display: flex; align-items: flex-start; gap: 8px; }
.v-head h2 { margin: 0; flex: 1; font-size: 20px; overflow-wrap: anywhere; }
.viewer .note-meta { font-size: 12px; }
.viewer .badge { padding: 2px 8px; }
.v-body {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  max-height: 55vh;
  overflow-y: auto;
  font-size: 15px;
  line-height: 1.6;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.v-body.empty-body { color: var(--muted); font-style: italic; }

/* ---------- Settings ---------- */
#settings { width: min(440px, calc(100vw - 32px)); }
.dlg-title { margin: 0 0 4px; font-size: 18px; }
.set-label { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin-top: 4px; }

.swatches { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.swatch-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  padding: 6px 8px;
  cursor: pointer;
  font-size: 12px;
}
.swatch-btn span { width: 16px; height: 16px; border-radius: 50%; flex: none; }
.swatch-btn.active { border-color: var(--accent); background: var(--accent-soft); font-weight: 600; }

.custom-color { color: var(--text); }
.custom-color input { width: 32px; height: 28px; border: none; background: none; padding: 0; cursor: pointer; }

.seg { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg label { flex: 1; text-align: center; padding: 6px; cursor: pointer; }
.seg input { display: none; }
.seg label:has(input:checked) { background: var(--accent); color: var(--accent-text); }

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
  .swatches { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; height: auto; }
  .col-calendar { width: 100%; max-width: 420px; justify-self: center; }
  .notes-list { max-height: none; }
  .cat-tools { display: flex; }
}

/* ---------- Sign-in ---------- */
.app[hidden], .auth[hidden] { display: none; }
.auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 16px;
  box-sizing: border-box;
}
.auth-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 28px;
  max-width: 360px;
  width: 100%;
  text-align: center;
  box-sizing: border-box;
}
.auth-card h1 { margin: 0 0 8px; font-size: 24px; color: var(--accent); }
.auth-card p { margin: 0 0 20px; color: var(--muted); }
.auth-btn { width: 100%; padding: 10px 14px; font-weight: 600; }
.auth-error { color: var(--danger) !important; margin: 12px 0 0 !important; font-size: 12px; }
.auth-error:empty { display: none; }