@font-face {
  font-family: "Oswald";
  src: url("assets/oswald.ttf") format("truetype");
  font-weight: 200 700;
  font-display: swap;
}
@font-face {
  font-family: "Work Sans";
  src: url("assets/work-sans.ttf") format("truetype");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("assets/ibm-plex-mono.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}

:root {
  --bg: #0b0f1a;
  --panel: #131a2b;
  --panel-2: #1a2238;
  --line: #2a3452;
  --text: #eef0f4;
  --mute: #a8b2c8;
  --accent: #c6ff3d;
  --accent-ink: #0b0f1a;
  --display: "Oswald", "Arial Narrow", "Helvetica Neue", sans-serif;
  --body: "Work Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --side-w: 380px;
}

* { box-sizing: border-box; }
html { color-scheme: dark; -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.55 var(--body);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, dl, dd, ol { margin: 0; padding: 0; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; touch-action: manipulation; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--accent); color: var(--accent-ink);
  padding: 10px 16px; font-weight: 600; text-decoration: none;
}
.skip:focus { top: 12px; }

.shell {
  display: grid;
  grid-template-columns: var(--side-w) minmax(0, 1fr);
  min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.side {
  position: sticky; top: 0;
  height: 100vh; overflow-y: auto;
  padding: 32px 28px 28px;
  background: var(--panel);
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 22px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  flex: none;
  width: 52px; height: 52px;
  display: grid; place-items: center;
  background: var(--accent); color: var(--accent-ink);
  font: 700 24px/1 var(--display);
  letter-spacing: 0.04em;
  border-radius: 50%;
}
.brand h1 {
  font: 700 38px/1 var(--display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.brand-sub {
  margin-top: 4px;
  font: 400 12px/1.3 var(--mono);
  color: var(--mute);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.lede { color: var(--mute); font-size: 15px; max-width: 32ch; }

.controls { display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label, .field .label {
  font: 400 12px/1.2 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mute);
}
input[type="search"], select {
  width: 100%;
  min-height: 46px;
  padding: 10px 14px;
  background: var(--bg);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-size: 16px;
}
input[type="search"]::placeholder { color: #7f8aa3; }
input[type="search"]:hover, select:hover { border-color: #43507a; }
input[type="search"]:focus-visible, select:focus-visible { border-color: var(--accent); outline-offset: 1px; }
select {
  appearance: none; -webkit-appearance: none;
  padding-right: 42px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' fill='none' stroke='%23c6ff3d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}
select option { background: var(--panel); color: var(--text); }

.seg {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border: 1.5px solid var(--line);
  border-radius: 10px; overflow: hidden;
}
.seg-btn {
  min-height: 44px;
  background: transparent; border: 0;
  border-right: 1.5px solid var(--line);
  font: 500 15px/1 var(--display);
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--mute);
  transition: background-color .15s, color .15s;
}
.seg-btn:last-child { border-right: 0; }
.seg-btn:hover { background: var(--panel-2); color: var(--text); }
.seg-btn[aria-pressed="true"] { background: var(--text); color: var(--accent-ink); }
.seg-btn:focus-visible { outline-offset: -4px; }

.saved-toggle {
  display: flex; align-items: center; gap: 10px;
  min-height: 48px; padding: 0 14px;
  background: transparent;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-weight: 600;
  text-align: left;
  transition: background-color .15s, border-color .15s;
}
.saved-toggle:hover { border-color: var(--accent); }
.saved-toggle-text { flex: 1; }
.saved-toggle .count {
  min-width: 26px; height: 26px; padding: 0 8px;
  display: grid; place-items: center;
  border-radius: 13px;
  background: var(--panel-2);
  font: 400 13px/1 var(--mono);
}
.saved-toggle[aria-pressed="true"] {
  background: var(--accent); color: var(--accent-ink); border-color: var(--accent);
}
.saved-toggle[aria-pressed="true"] svg path { fill: currentColor; }
.saved-toggle[aria-pressed="true"] .count { background: var(--accent-ink); color: var(--accent); }

/* shortlist */
.plan { border-top: 1px solid var(--line); padding-top: 16px; }
.plan summary {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 36px;
  cursor: pointer; list-style: none;
  font: 600 18px/1 var(--display);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.plan summary::-webkit-details-marker { display: none; }
.plan summary::after {
  content: "+"; font: 400 22px/1 var(--mono); color: var(--accent); margin-left: 12px;
}
.plan[open] summary::after { content: "–"; }
.plan summary > span:first-child { flex: 1; }
.plan-n { font: 400 13px/1 var(--mono); color: var(--mute); }
.plan-body { padding-top: 12px; display: flex; flex-direction: column; gap: 12px; }
.plan-empty { color: var(--mute); font-size: 14px; }
.plan-list { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.plan-item {
  display: grid; grid-template-columns: 62px 1fr; gap: 10px; align-items: baseline;
  width: 100%; text-align: left;
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 12px;
}
.plan-item:hover { border-color: var(--accent); }
.plan-time { font: 400 13px/1.3 var(--mono); color: var(--accent); }
.plan-time small { display: block; color: var(--mute); font-size: 11px; text-transform: uppercase; }
.plan-name { font-weight: 500; font-size: 14.5px; line-height: 1.3; }
.plan-note {
  font-size: 13.5px; color: #ffd27a;
  border-left: 3px solid #ffb454; padding-left: 10px;
}

/* ---------- Main board ---------- */
.main { padding: 36px 56px 48px; outline: none; min-width: 0; }
.board-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  max-width: 960px; margin-bottom: 8px;
}
.board-head h2 {
  font: 400 15px/1 var(--mono);
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--mute);
}
.status { font: 400 14px/1.3 var(--mono); color: var(--mute); text-align: right; }

.list { max-width: 960px; }
.day { margin-top: 12px; }
.day-head {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: baseline; gap: 16px;
  padding: 14px 0 10px;
  background: linear-gradient(var(--bg) 82%, rgba(11,15,26,0));
}
.day-head h3 {
  font: 700 clamp(44px, 5vw, 72px)/0.95 var(--display);
  text-transform: uppercase; letter-spacing: 0.01em;
}
.day-head h3 span { color: var(--accent); }
.day-head p { font: 400 13px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--mute); }

.row {
  --cat: #fff;
  position: relative;
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr) auto;
  column-gap: 28px;
  align-items: start;
  padding: 22px 16px 22px 20px;
  border-top: 1px solid var(--line);
  transition: background-color .15s;
}
.row:last-child { border-bottom: 1px solid var(--line); }
.row::before {
  content: ""; position: absolute; left: 0; top: 18px; bottom: 18px; width: 4px;
  background: var(--cat); border-radius: 2px;
}
.row:hover { background: var(--panel); }
.row[data-cat="Art"] { --cat: #ff7a9c; }
.row[data-cat="Film"] { --cat: #8ab4ff; }
.row[data-cat="Food"] { --cat: #ffb454; }
.row[data-cat="Literature"] { --cat: #c9a7ff; }
.row[data-cat="Music"] { --cat: #5fe3c0; }
.row[data-cat="Outdoors"] { --cat: #9be564; }
.row[data-cat="Walks"] { --cat: #ff8f6b; }

.when { font: 400 28px/1 var(--mono); letter-spacing: -0.02em; padding-top: 4px; }
.when small { display: block; margin-top: 8px; font-size: 13px; color: var(--mute); letter-spacing: 0; }

.what h4 { margin: 0; font: inherit; }
.open {
  all: unset;
  box-sizing: border-box;
  cursor: pointer;
  font: 500 clamp(24px, 2.2vw, 31px)/1.12 var(--display);
  letter-spacing: 0.005em;
}
.open::after { content: ""; position: absolute; inset: 0; }
.open:focus-visible { outline: none; }
.row:has(.open:focus-visible) { outline: 3px solid var(--accent); outline-offset: -3px; background: var(--panel); }
html:has(dialog[open]) { overflow: hidden; }
.detail { overscroll-behavior: contain; }
.row:hover .open { text-decoration: underline; text-decoration-color: var(--cat); text-decoration-thickness: 3px; text-underline-offset: 5px; }
.meta { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 14.5px; color: var(--mute); }
.cat { color: var(--cat); font: 400 12px/1.6 var(--mono); text-transform: uppercase; letter-spacing: 0.1em; }
.sum { margin-top: 8px; color: #cdd4e4; font-size: 15px; max-width: 58ch; }

.side-r { text-align: right; display: flex; flex-direction: column; align-items: flex-end; gap: 8px; padding-top: 2px; }
.price { font: 600 22px/1 var(--display); letter-spacing: 0.04em; }
.price.free { color: var(--accent); }
.saved-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font: 400 12px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent-ink); background: var(--accent);
  padding: 5px 8px; border-radius: 4px;
}

.empty {
  max-width: 960px; margin-top: 24px; padding: 40px 28px;
  border: 1.5px dashed var(--line); border-radius: 14px;
  display: flex; flex-direction: column; align-items: flex-start; gap: 10px;
}
.empty[hidden] { display: none; }
.empty-big { font: 700 40px/1 var(--display); text-transform: uppercase; }
.empty p { color: var(--mute); }
.empty .empty-big { color: var(--text); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 22px;
  background: var(--text); color: var(--accent-ink);
  border: 2px solid var(--text); border-radius: 10px;
  font: 600 16px/1 var(--body);
  transition: background-color .15s, color .15s, border-color .15s;
}
.btn:hover { background: var(--accent); border-color: var(--accent); }

.foot { max-width: 960px; margin-top: 40px; color: var(--mute); font: 400 12.5px/1.5 var(--mono); }

/* ---------- Detail dialog ---------- */
.detail {
  position: fixed; inset: 0 0 0 auto;
  margin: 0; padding: 0;
  width: min(580px, 100vw); max-width: none;
  height: 100dvh; max-height: none;
  background: var(--panel); color: var(--text);
  border: 0; border-left: 1px solid var(--line);
  overflow-y: auto;
}
.detail:not([open]) { display: none; }
.detail::backdrop { background: rgba(5, 8, 15, 0.72); }
.d-inner { padding: 28px 36px 40px; display: flex; flex-direction: column; gap: 22px; min-height: 100%; }
.d-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.d-cat { font: 400 13px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.12em; color: var(--cat, var(--accent)); }
.close {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 44px; padding: 0 16px 0 12px;
  background: transparent; border: 1.5px solid var(--line); border-radius: 10px;
  font-weight: 600;
}
.close:hover { border-color: var(--accent); }
.d-title { font: 700 clamp(36px, 4vw, 50px)/1.02 var(--display); text-transform: uppercase; letter-spacing: 0.01em; text-wrap: balance; }
.d-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--line); }
.d-facts > div { padding: 14px 0; border-bottom: 1px solid var(--line); }
.d-facts > div:nth-child(odd) { padding-right: 16px; }
.d-facts dt { font: 400 12px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--mute); margin-bottom: 6px; }
.d-facts dd { font: 500 19px/1.25 var(--display); letter-spacing: 0.02em; }
.d-facts dd small { display: block; font: 400 14px/1.4 var(--body); color: var(--mute); letter-spacing: 0; margin-top: 2px; }
.d-body p { font-size: 17px; line-height: 1.6; max-width: 56ch; }
.d-body p + p { margin-top: 14px; }
.d-body .acc-label {
  margin-top: 22px; margin-bottom: 6px;
  font: 400 12px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent);
}
.d-body .acc-label + p { padding-left: 14px; border-left: 3px solid var(--accent); margin-top: 0; }
.d-clash { font-size: 14.5px; color: #ffd27a; border-left: 3px solid #ffb454; padding-left: 12px; }
.d-actions { margin-top: auto; padding-top: 8px; position: sticky; bottom: 0; background: linear-gradient(rgba(19,26,43,0), var(--panel) 30%); padding-bottom: 4px; }
.btn-save { width: 100%; min-height: 56px; font-size: 17px; }
.btn-save[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); }
.btn-save[aria-pressed="true"] path { fill: currentColor; }
.btn-save[aria-pressed="false"] path { fill: none; }
.btn-save:hover { background: var(--accent); border-color: var(--accent); }
.btn-save[aria-pressed="true"]:hover { background: transparent; color: var(--text); border-color: var(--text); }

@media (prefers-reduced-motion: no-preference) {
  .detail[open] { animation: slide .22s ease-out; }
  .detail[open]::backdrop { animation: fade .22s ease-out; }
  @keyframes slide { from { transform: translateX(40px); opacity: 0; } to { transform: none; opacity: 1; } }
  @keyframes fade { from { opacity: 0; } to { opacity: 1; } }
}

/* ---------- Tablet / mobile ---------- */
@media (max-width: 1100px) {
  :root { --side-w: 320px; }
  .main { padding: 28px 28px 40px; }
  .row { grid-template-columns: 100px minmax(0, 1fr) auto; column-gap: 20px; }
  .when { font-size: 24px; }
}

@media (max-width: 860px) {
  .shell { display: block; }
  .side {
    position: static; height: auto; overflow: visible;
    padding: 20px 18px 18px; gap: 16px;
    border-right: 0; border-bottom: 1px solid var(--line);
  }
  .brand-mark { width: 42px; height: 42px; font-size: 20px; }
  .brand h1 { font-size: 32px; }
  .lede { display: none; }
  .controls { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .controls .field:first-child { grid-column: 1 / -1; }
  .controls .field:nth-child(3) { grid-column: 1 / -1; }
  .saved-toggle { grid-column: 1 / -1; }
  .plan { padding-top: 10px; }
  .main { padding: 18px 18px 36px; }
  .board-head { flex-direction: column; align-items: flex-start; gap: 4px; }
  .status { text-align: left; }
  .day-head { padding-top: 10px; }
  .day-head h3 { font-size: 44px; }
  .row {
    grid-template-columns: 1fr auto;
    grid-template-areas: "when price" "what what";
    row-gap: 10px; column-gap: 12px;
    padding: 18px 8px 20px 18px;
  }
  .row::before { top: 14px; bottom: 14px; }
  .when { grid-area: when; font-size: 22px; display: flex; align-items: baseline; gap: 10px; padding-top: 0; }
  .when small { display: inline; margin: 0; }
  .what { grid-area: what; }
  .side-r { grid-area: price; flex-direction: row; align-items: center; gap: 10px; padding: 0; }
  .sum { font-size: 15px; }
  .empty { padding: 28px 20px; }
  .empty-big { font-size: 34px; }

  .detail { width: 100vw; border-left: 0; }
  .d-inner { padding: 18px 18px 28px; gap: 18px; }
  .d-facts dd { font-size: 18px; }
}

@media (max-width: 400px) {
  .controls { grid-template-columns: 1fr; }
  .controls .field:nth-child(3) { grid-column: auto; }
}