/* Sydney Dive Calendar — static aggregator UI */

:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --hairline: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --critical: #d03b3b;
  --accent: #2a78d6;

  /* categorical slots — colour follows the centre, never its position */
  --c-abyss: #2a78d6;
  --c-frogdive: #1baf7a;
  --c-divebondi: #eda100;
  --c-divesydney: #008300;
  --c-prodive: #4a3aa7;
  --c-other: #898781;

  --chip-mix: 13%;
  --radius: 10px;
  --radius-sm: 6px;
}

/* Dark tokens apply when forced via the theme button (data-theme="dark") or
   when the OS prefers dark and the user hasn't forced light. The block is
   intentionally duplicated — a shared rule can't span a media boundary. */
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --hairline: #2c2c2a;
  --baseline: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --accent: #3987e5;

  --c-abyss: #3987e5;
  --c-frogdive: #199e70;
  --c-divebondi: #c98500;
  --c-divesydney: #008300;
  --c-prodive: #9085e9;

  --chip-mix: 22%;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --hairline: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;

    --c-abyss: #3987e5;
    --c-frogdive: #199e70;
    --c-divebondi: #c98500;
    --c-divesydney: #008300;
    --c-prodive: #9085e9;

    --chip-mix: 22%;
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--page);
  color: var(--ink);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
  min-height: 100dvh;
}

/* per-centre colour hook */
.src-abyss      { --c: var(--c-abyss); }
.src-frogdive   { --c: var(--c-frogdive); }
.src-divebondi  { --c: var(--c-divebondi); }
.src-divesydney { --c: var(--c-divesydney); }
.src-prodive    { --c: var(--c-prodive); }
.src-other      { --c: var(--c-other); }

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ---------- header ---------- */

.app-header { padding-top: 20px; }

.title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

h1 {
  font-size: 22px;
  margin: 0;
  letter-spacing: -0.01em;
}

h1 .logo { margin-right: 12px; }

.updated {
  color: var(--muted);
  font-size: 12.5px;
}

.controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.month-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.month-nav h2 {
  font-size: 16.5px;
  font-weight: 600;
  margin: 0 6px;
  min-width: 128px;
  text-align: center;
  white-space: nowrap;
}

button {
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 11px;
  cursor: pointer;
}

button:hover { border-color: var(--baseline); }

button:disabled {
  opacity: 0.4;
  cursor: default;
}

button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.nav-btn {
  font-size: 17px;
  line-height: 1;
  padding: 5px 10px;
}

#search {
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  width: 230px;
  max-width: 100%;
}

#search::placeholder { color: var(--muted); }

.view-toggle {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-left: auto;
}

.view-toggle button {
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 5px 13px;
  color: var(--ink-2);
}

.view-toggle button[aria-pressed="true"] {
  background: var(--surface);
  color: var(--ink);
  font-weight: 600;
  box-shadow: inset 0 0 0 1px var(--baseline);
}

#themeBtn, #hiddenBtn { line-height: 0; padding: 8px 9px; }
#themeBtn svg, #hiddenBtn svg { display: block; }

#hiddenBtn { position: relative; color: var(--ink-2); }
#hiddenBtn:hover { color: var(--ink); }

#hiddenBtn .hbadge {
  position: absolute;
  top: -6px;
  right: -7px;
  background: var(--accent);
  color: #fff;
  font-size: 10.5px;
  font-weight: 600;
  line-height: 1;
  border-radius: 999px;
  padding: 3px 5px;
  min-width: 8px;
  text-align: center;
}

/* ---------- filter chips (legend + toggle) ---------- */

.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 14px 0 16px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border-radius: 999px;
  padding: 4px 12px 4px 9px;
  background: color-mix(in srgb, var(--c) var(--chip-mix), var(--surface));
  border: 1px solid color-mix(in srgb, var(--c) 40%, var(--border));
  font-size: 13.5px;
}

.filter-chip .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c);
  flex: none;
}

.filter-chip .count {
  color: var(--ink-2);
  font-size: 12px;
}

.filter-chip[aria-pressed="false"] {
  background: transparent;
  border-color: var(--border);
  color: var(--muted);
}

.filter-chip[aria-pressed="false"] .dot { opacity: 0.35; }
.filter-chip[aria-pressed="false"] .count { color: var(--muted); }

/* scroll hint: fade the row at whichever edge still clips chips */
.filters { --fade-l: 0px; --fade-r: 0px; }
.filters.fade-l { --fade-l: 28px; }
.filters.fade-r { --fade-r: 28px; }

.filters.fade-l,
.filters.fade-r {
  -webkit-mask-image: linear-gradient(to right,
    transparent, #000 var(--fade-l), #000 calc(100% - var(--fade-r)), transparent);
  mask-image: linear-gradient(to right,
    transparent, #000 var(--fade-l), #000 calc(100% - var(--fade-r)), transparent);
}

/* ---------- status / empty ---------- */

.status {
  padding: 48px 16px;
  text-align: center;
  color: var(--ink-2);
}

.status.error { color: var(--critical); }

.status code {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 13px;
}

/* ---------- month grid ---------- */

.grid-wrap {
  overflow-x: auto;
  padding-bottom: 8px;
}

.grid-inner { min-width: 760px; }

.weekday-row,
.grid-week {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.weekday-row {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.weekday-row div { padding: 0 8px; }

.grid-week { margin-bottom: 6px; }

.cell {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  min-height: 118px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cell.out { background: transparent; }
.cell.out .daynum { color: var(--muted); }

.cell.today { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }

.cell.past .chip { opacity: 0.5; }

.daynum {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-2);
  padding: 0 3px;
}

.cell.today .daynum { color: var(--accent); }

.cell-events {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.cell.has-events { cursor: pointer; }

/* ---------- event chips ---------- */

.chip {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  border-left: 3px solid var(--c);
  border-radius: 4px;
  background: color-mix(in srgb, var(--c) var(--chip-mix), var(--surface));
  padding: 2px 6px 3px;
  font-size: 12px;
  line-height: 1.3;
  color: var(--ink);
}

.chip:hover {
  background: color-mix(in srgb, var(--c) 28%, var(--surface));
}

.chip .t {
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
  margin-right: 4px;
  white-space: nowrap;
}

.chip .n {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.chip.cont { opacity: 0.75; border-left-style: dotted; }

.more-btn {
  border: 0;
  background: none;
  color: var(--ink-2);
  font-size: 11.5px;
  padding: 1px 4px;
  text-align: left;
}

.more-btn:hover { text-decoration: underline; }

/* ---------- list view ---------- */

.list { max-width: 860px; }

.day-section { margin-bottom: 18px; }

.day-head {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-2);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 4px 2px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.day-head .today-tag {
  color: var(--accent);
  font-size: 11.5px;
}

.row {
  display: grid;
  grid-template-columns: 128px 138px 1fr;
  gap: 10px;
  align-items: baseline;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  font-size: 14px;
}

.row:hover { background: var(--surface); box-shadow: inset 0 0 0 1px var(--hairline); }

.row .time {
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  white-space: nowrap;
}

.row .src {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-2);
  font-size: 13px;
  min-width: 0;
}

.row .src .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c);
  flex: none;
}

.row .src span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row .title { min-width: 0; }

.row.past { opacity: 0.55; }

/* ---------- modal ---------- */

dialog {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  color: var(--ink);
  padding: 0;
  max-width: min(560px, calc(100vw - 32px));
  width: 100%;
}

dialog::backdrop { background: rgba(0, 0, 0, 0.45); }

.modal-body { padding: 18px 20px 20px; }

.modal-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.modal-src {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--ink-2);
  border-radius: 999px;
  padding: 3px 11px 3px 8px;
  background: color-mix(in srgb, var(--c) var(--chip-mix), var(--surface));
  border: 1px solid color-mix(in srgb, var(--c) 40%, var(--border));
  white-space: nowrap;
}

.modal-src .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c);
}

.modal-top-btns {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: none;
}

.icon-btn {
  border: 0;
  background: none;
  color: var(--muted);
  padding: 5px 6px;
  border-radius: var(--radius-sm);
  line-height: 0;
}

.icon-btn:hover {
  color: var(--ink);
  background: color-mix(in srgb, var(--ink) 8%, transparent);
}

.modal-close {
  border: 0;
  background: none;
  font-size: 20px;
  line-height: 1;
  color: var(--muted);
  padding: 2px 6px;
}

.modal-close:hover { color: var(--ink); }

#modal h3 {
  margin: 10px 0 4px;
  font-size: 19px;
  line-height: 1.3;
}

.modal-when {
  color: var(--ink-2);
  font-size: 14px;
}

.modal-loc {
  color: var(--ink-2);
  font-size: 13.5px;
  margin-top: 2px;
}

.modal-desc {
  margin-top: 12px;
  font-size: 14px;
  color: var(--ink-2);
  white-space: pre-line;
  max-height: 220px;
  overflow-y: auto;
}

.modal-actions {
  margin-top: 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--ink-2);
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  font-size: 14px;
}

.btn-secondary:hover {
  color: var(--ink);
  border-color: var(--baseline);
}

/* scrollable modal lists with a "more below" fade */
.modal-scroll { position: relative; }

.modal-scroll::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 46px;
  background: linear-gradient(to bottom, transparent, var(--surface));
  opacity: 0;
  transition: opacity 0.15s;
  pointer-events: none;
}

.modal-scroll.more-below::after { opacity: 1; }

.scrolly {
  max-height: min(52vh, 440px);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.hidden-mgr-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 7px 8px;
  border-radius: var(--radius-sm);
}

.hidden-mgr-row:hover {
  background: color-mix(in srgb, var(--c) 8%, var(--surface));
}

/* label flows as inline text: dot stays glued to the first line, centre name
   trails the title, long titles wrap using the full label width */
.hidden-mgr-label {
  display: block;
  min-width: 0;
  flex: 1 1 auto;
}

.hidden-mgr-label .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c);
  margin-right: 4px;
  vertical-align: 0;
}

.hidden-mgr-src {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
  margin-left: 4px;
}

.hidden-mgr-title { overflow-wrap: anywhere; }

code.hidden-mgr-title {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px;
  background: color-mix(in srgb, var(--c) 10%, var(--surface));
  padding: 1px 6px;
  border-radius: 4px;
}

.hidden-mgr-count {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.hidden-mgr-empty {
  color: var(--muted);
  font-size: 13.5px;
  padding: 8px 2px;
}

.hide-rule-form {
  display: flex;
  gap: 6px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.hide-rule-form input {
  flex: 1 1 160px;
  font: inherit;
  font-size: 13.5px;
  color: var(--ink);
  background: var(--page);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
}

.hide-rule-form select {
  font: inherit;
  font-size: 13.5px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
}

.rule-hint {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  margin-top: 8px;
}

.rule-hint code,
.rule-error { font-size: 12.5px; }

.rule-error {
  color: var(--critical);
  margin-top: 6px;
}

.hidden-mgr-row button { flex: none; }

.modal-actions a {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  font-size: 14px;
  font-weight: 600;
}

.modal-day-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 10px;
}

/* ---------- footer ---------- */

footer {
  margin-top: 26px;
  padding: 14px 0 30px;
  border-top: 1px solid var(--hairline);
  color: var(--muted);
  font-size: 12.5px;
}

.source-status {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.source-status .s {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.source-status .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c);
}

.source-status .err {
  color: var(--critical);
  font-weight: 600;
}

footer a { color: inherit; }

/* ---------- responsive ---------- */

@media (max-width: 720px) {
  /* header rows via flex order: [‹ month › today · theme] then [search · view] */
  .updated { font-size: 11.5px; }
  .controls { gap: 8px; }
  .month-nav { flex: 1 1 auto; order: 1; }
  .month-nav h2 { min-width: 104px; font-size: 15px; flex: 1; }
  #hiddenBtn, #themeBtn { order: 2; }
  #search { order: 3; flex: 1 1 140px; width: auto; }
  .view-toggle { order: 4; margin-left: 0; }

  /* centre chips: one thumb-scrollable row bleeding to the screen edges */
  .filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin: 12px -16px 14px;
    padding: 0 16px 4px;
  }
  .filters::-webkit-scrollbar { display: none; }
  .filter-chip { flex: none; font-size: 12.5px; padding: 4px 11px 4px 9px; }
  .filter-chip .count { font-size: 11px; }

  /* month grid fits the screen: cells show dots, tap a day for its list */
  .grid-inner { min-width: 0; }
  .weekday-row, .grid-week { gap: 4px; }
  .grid-week { margin-bottom: 4px; }
  .weekday-row div { font-size: 9.5px; padding: 0 2px; }
  .cell { min-height: 52px; padding: 4px 5px; gap: 3px; border-radius: 8px; }
  .daynum { font-size: 11px; padding: 0; }
  .cell-events { flex-direction: row; flex-wrap: wrap; gap: 3px; align-content: flex-start; }
  .chip {
    width: 9px;
    height: 9px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: var(--c);
    flex: none;
  }
  .chip:hover { background: var(--c); }
  .chip .t,
  .chip .n { display: none; }
  .chip.cont { opacity: 0.55; }
  .more-btn { font-size: 9.5px; padding: 0 1px; }

  /* agenda list rows: time left, title + centre stacked right */
  .row { grid-template-columns: 92px 1fr; }
  .row .src { grid-column: 2; order: 3; }
  .row .title { grid-column: 2; }
  .row .time { font-size: 12.5px; }

  /* hide-pattern form: input on its own row, centre picker + button below */
  .hide-rule-form input { flex: 1 1 100%; }
  .hide-rule-form select { flex: 1 1 auto; }
}