:root {
  --bg: #ffffff;
  --surface: #f6f6f4;
  --text: #1f2328;
  --muted: #646a73;
  --line: #e4e4e0;
  --line-strong: #cfcfca;
  --accent: #1a73e8;
  --now: #d93025;
  --gutter: 56px;
  --gap: 10px;
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.16);

  /* Muted kind tints: background / ink */
  --k-tech: #dde7f7;          --k-tech-ink: #23426e;
  --k-museum: #efe3d3;        --k-museum-ink: #5e4426;
  --k-art: #f3dfe6;           --k-art-ink: #6d2d45;
  --k-film: #e2e0f2;          --k-film-ink: #3b3570;
  --k-stage: #f4e0d8;         --k-stage-ink: #6e3524;
  --k-music: #e7dcef;         --k-music-ink: #4f2d68;
  --k-talks: #e7ecd9;         --k-talks-ink: #44512a;
  --k-science: #d9ece9;       --k-science-ink: #1f5650;
  --k-food: #f5e9cf;          --k-food-ink: #6b4f12;
  --k-wellness: #dcefdf;      --k-wellness-ink: #285a33;
  --k-community: #e6e6e1;     --k-community-ink: #43443f;
  --k-outdoors: #d8ebd6;      --k-outdoors-ink: #2e5a2a;
  --k-sports: #e9e2d0;        --k-sports-ink: #57492a;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17181a;
    --surface: #202124;
    --text: #e8e8e6;
    --muted: #9a9fa6;
    --line: #2c2e31;
    --line-strong: #3a3d41;
    --accent: #8ab4f8;
    --now: #f28b82;
    --shadow: 0 8px 28px rgba(0, 0, 0, 0.5);

    --k-tech: #26344a;          --k-tech-ink: #c9dbf6;
    --k-museum: #3d3326;        --k-museum-ink: #ecd9bf;
    --k-art: #43293a;           --k-art-ink: #f0cfdc;
    --k-film: #2f2d47;          --k-film-ink: #d6d2f5;
    --k-stage: #452d26;         --k-stage-ink: #f1d2c6;
    --k-music: #382b45;         --k-music-ink: #e2d0f0;
    --k-talks: #343a28;         --k-talks-ink: #dbe4c4;
    --k-science: #233b38;       --k-science-ink: #c6e6e1;
    --k-food: #42381f;          --k-food-ink: #f1e1b6;
    --k-wellness: #24392a;      --k-wellness-ink: #cbe9d1;
    --k-community: #313230;     --k-community-ink: #deded8;
    --k-outdoors: #253823;      --k-outdoors-ink: #cce6c8;
    --k-sports: #3a3423;        --k-sports-ink: #e8dcbc;
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px 48px;
}

button { font: inherit; color: inherit; }

/* ---------- top bar ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0 10px;
  flex-wrap: wrap;
}

.brand { font-size: 18px; font-weight: 600; margin: 0; letter-spacing: -0.01em; }

.city-switch {
  display: inline-flex;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
}

.city {
  border: 0;
  background: transparent;
  padding: 5px 14px;
  border-radius: 999px;
  cursor: pointer;
  color: var(--muted);
}

.city[aria-pressed="true"] { background: var(--bg); color: var(--text); font-weight: 600; box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12); }
.city:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ---------- column heads ---------- */

.colheads, .grid, .strip {
  display: grid;
  grid-template-columns: var(--gutter) minmax(0, var(--events-fr, 3fr)) minmax(0, var(--cal-fr, 1fr));
  column-gap: var(--gap);
}

.colheads {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--line-strong);
  padding: 8px 0;
}

.colhead { font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; display: flex; align-items: center; }
.colhead-cal { justify-content: space-between; gap: 8px; }

.signin {
  text-transform: none;
  letter-spacing: 0;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  border-radius: 999px;
  padding: 3px 10px;
  cursor: pointer;
}
.signin { white-space: nowrap; }
.signin:disabled { cursor: not-allowed; opacity: 0.6; }
.signin:hover { background: var(--surface); }

/* ---------- day bands ---------- */

.band { padding-top: 18px; }

.band-head {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 8px calc(var(--gutter) + var(--gap));
  display: flex;
  gap: 8px;
  align-items: baseline;
}
.band-rel { color: var(--accent); }
.band-date { color: var(--text); }

.strip { margin-bottom: 6px; }
.strip-label { font-size: 11px; color: var(--muted); text-align: right; padding-top: 4px; }
.strip-col { display: flex; flex-direction: column; gap: 3px; min-width: 0; }

.grid {
  position: relative;
  background-image: linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 100% var(--hour-px, 60px);
  border-bottom: 1px solid var(--line);
}

.gutter { position: relative; }
.hours .hour {
  position: absolute;
  right: 0;
  transform: translateY(-50%);
  font-size: 11px;
  color: var(--muted);
  background: var(--bg);
  padding: 0 2px;
  white-space: nowrap;
}
.hours .hour:first-child { transform: none; }

.col { position: relative; min-width: 0; }
.col-cal { border-left: 1px dashed var(--line); }

.now-line {
  position: absolute;
  left: var(--gutter);
  right: 0;
  height: 0;
  border-top: 2px solid var(--now);
  z-index: 40;
  pointer-events: none;
}

/* ---------- blocks ---------- */

.block, .chip {
  border: 0;
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  border-radius: 6px;
  background: var(--kb);
  color: var(--ki);
}

.block {
  position: absolute;
  padding: 2px 6px;
  display: flex;
  flex-direction: column;
  font-size: 12px;
  line-height: 16px;
}
.block.nested { box-shadow: 0 0 0 1px var(--bg); }
.block:hover, .chip:hover { filter: brightness(0.97) saturate(1.15); }
.block:focus-visible, .chip:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; z-index: 45 !important; }

.b-line1 { display: flex; gap: 5px; min-width: 0; white-space: nowrap; }
.b-time { font-weight: 600; flex: none; opacity: 0.85; }
.b-title { overflow: hidden; text-overflow: ellipsis; font-weight: 500; }
.b-venue { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; opacity: 0.8; font-size: 11px; }
.block.short { padding-top: 1px; padding-bottom: 0; line-height: 16px; }

.chip { display: flex; gap: 8px; padding: 3px 8px; font-size: 12px; min-width: 0; white-space: nowrap; }
.chip .b-title { flex: 0 1 auto; }
.chip .b-venue { flex: 1 1 0; }

.kind-tech { --kb: var(--k-tech); --ki: var(--k-tech-ink); }
.kind-museum { --kb: var(--k-museum); --ki: var(--k-museum-ink); }
.kind-art { --kb: var(--k-art); --ki: var(--k-art-ink); }
.kind-film { --kb: var(--k-film); --ki: var(--k-film-ink); }
.kind-stage { --kb: var(--k-stage); --ki: var(--k-stage-ink); }
.kind-music { --kb: var(--k-music); --ki: var(--k-music-ink); }
.kind-talks { --kb: var(--k-talks); --ki: var(--k-talks-ink); }
.kind-science { --kb: var(--k-science); --ki: var(--k-science-ink); }
.kind-food-and-wine { --kb: var(--k-food); --ki: var(--k-food-ink); }
.kind-wellness { --kb: var(--k-wellness); --ki: var(--k-wellness-ink); }
.kind-community, .kind-other { --kb: var(--k-community); --ki: var(--k-community-ink); }
.kind-outdoors { --kb: var(--k-outdoors); --ki: var(--k-outdoors-ink); }
.kind-sports { --kb: var(--k-sports); --ki: var(--k-sports-ink); }

/* his calendar */
.block.cal, .chip.cal {
  background: var(--gc);
  color: #fff;
  border-radius: 6px;
}
.block.cal { line-height: 15px; }
.block.cal .b-title-wrap { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-weight: 600; }
.block.cal .b-venue { opacity: 0.9; }
.b-time-inline { flex: none; opacity: 0.9; font-size: 11px; }
.block.cal.nested, .block.nested { box-shadow: 0 0 0 1px var(--bg); }
.block.cal.declined, .chip.cal.declined {
  background: var(--bg);
  color: var(--gc);
  box-shadow: inset 0 0 0 1px var(--gc), 0 0 0 1px var(--bg);
}
.block.cal.declined > *, .chip.cal.declined > * { opacity: 0.75; }
.block.cal.declined .b-title { text-decoration: line-through; }
.col-cal.off { background: repeating-linear-gradient(135deg, transparent 0 8px, var(--surface) 8px 9px); }

.b-check {
  position: absolute;
  top: 2px;
  right: 4px;
  font-size: 11px;
  font-weight: 700;
}
.block.added { padding-right: 16px; }
.chip { position: relative; }
.chip .b-check { position: static; margin-left: auto; }

.auth { display: inline-flex; align-items: center; gap: 6px; }
.auth-note { font-size: 12px; text-transform: none; letter-spacing: 0; font-weight: 400; }

.cal-banner {
  margin: 8px 0 0 calc(var(--gutter) + var(--gap));
  font-size: 12px;
  color: var(--muted);
}
.cal-banner.error { color: var(--now); }

/* "+N more" */
.block.more {
  background: var(--surface);
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--line-strong), 0 0 0 1px var(--bg);
  font-weight: 600;
  justify-content: center;
}
.more-list { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-direction: column; gap: 3px; }
.more-item {
  width: 100%; display: grid; grid-template-columns: auto 1fr; column-gap: 6px; text-align: left;
  border: 0; border-radius: 6px; padding: 4px 8px; cursor: pointer; font-size: 12px;
  background: var(--kb, var(--surface)); color: var(--ki, var(--text)); position: relative;
}
.more-item.cal { background: var(--gc); color: #fff; }
.more-item .b-time { font-weight: 600; }
.more-item .b-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.more-item .b-venue { grid-column: 2; font-size: 11px; opacity: 0.8; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.more-item .b-check { position: absolute; right: 8px; top: 4px; }

/* ---------- popover ---------- */

.popover {
  position: absolute;
  z-index: 100;
  width: min(360px, calc(100vw - 16px));
  max-height: min(70vh, 520px);
  overflow: auto;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-left: 6px solid var(--kb, var(--line-strong));
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 14px 16px 12px;
}
.popover[hidden] { display: none; }

.pop-close {
  position: absolute;
  top: 6px;
  right: 8px;
  border: 0;
  background: transparent;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  color: var(--muted);
  padding: 4px;
}
.pop-title { margin: 0 24px 4px 0; font-size: 16px; line-height: 1.3; }
.pop-time { margin: 0 0 2px; font-weight: 500; }
.pop-venue { margin: 0 0 6px; color: var(--muted); }
.pop-price { margin: 0 0 6px; font-weight: 600; }
.pop-desc { margin: 0 0 8px; white-space: pre-line; }
.pop-also { margin: 0 0 8px; font-size: 12px; color: var(--muted); }
.pop-actions { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 4px; }
.pop-link { color: var(--accent); text-decoration: none; font-weight: 500; }
.pop-link:hover { text-decoration: underline; }

.add {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}
.add:disabled { cursor: not-allowed; opacity: 0.5; }
.add.done { opacity: 1; background: var(--k-wellness); color: var(--k-wellness-ink); border-color: transparent; font-size: 15px; }
.add.busy { cursor: progress; }
.pop-msg { font-size: 12px; color: var(--muted); flex: 1; text-align: right; }
.pop-msg.error { color: var(--now); }
.popover.cal-pop { border-left-color: var(--gc); }
.popover.cal-pop .pop-link { display: inline-block; margin-top: 4px; }

/* ---------- footer, notices ---------- */

.notice { color: var(--muted); padding: 24px 0; margin: 0 0 0 calc(var(--gutter) + var(--gap)); }

.footer { margin-top: 32px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer p { margin: 0 0 4px; }
.failed ul { margin: 4px 0 0; padding-left: 18px; }
.failed .err { color: var(--muted); }
.failed strong { color: var(--text); font-weight: 600; }

/* ---------- narrow screens (full phone layout comes in step 5) ---------- */

@media (max-width: 640px) {
  :root { --gutter: 40px; --gap: 6px; --events-fr: 2fr; --cal-fr: 1fr; }
  .brand { font-size: 16px; }
  .block { padding: 2px 4px; font-size: 11px; }
  .b-time { display: none; }
  .colhead-cal { flex-wrap: wrap; row-gap: 4px; }
  .signin { font-size: 11px; padding: 2px 8px; }
}