/* ============================================================
   AI Engineer World's Fair 2026 — Talk Explorer
   Minimalist design system
   ============================================================ */
:root {
  --bg:        #f3f0e8;
  --surface:   #fffdf8;
  --surface-2: #f8f4ec;
  --ink:       #18222e;
  --ink-2:     #3a4654;
  --muted:     #6f7681;
  --faint:     #a6a59c;
  --border:    #e6e0d4;
  --border-2:  #d7d0c2;
  --accent:    #1e2d3e;
  --accent-ink:#ffffff;
  --accent-soft:#e6ebef;
  --amber:     #c0830c;
  --amber-soft:#fbf0d8;
  --green:     #2c8c58;
  --green-soft:#e2f2e7;
  --violet:    #b0408c;
  --violet-soft:#f8e8f2;
  --blue:      #3667cf;
  --blue-soft: #e6eefb;
  --coral:     #d75f3c;
  --coral-soft:#fbe9e2;
  --slate:     #56616f;
  --slate-soft:#ebedf0;
  --danger:    #c0392b;
  --shadow-sm: 0 1px 2px rgba(30,30,40,.04), 0 1px 3px rgba(30,30,40,.05);
  --shadow-md: 0 4px 16px rgba(30,30,40,.08), 0 1px 4px rgba(30,30,40,.05);
  --shadow-lg: 0 16px 50px rgba(30,30,40,.18);
  --radius:    14px;
  --radius-sm: 9px;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --display: "Bricolage Grotesque", "Inter", -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --serif: "Bricolage Grotesque", "Inter", sans-serif;
  --maxw: 1280px;
}
[data-theme="dark"] {
  --bg:        #11130f;
  --surface:   #1a1c18;
  --surface-2: #202219;
  --ink:       #f1efe8;
  --ink-2:     #d3d0c7;
  --muted:     #9b958c;
  --faint:     #6f6a62;
  --border:    #2c2e26;
  --border-2:  #3a3c32;
  --accent:    #9db4d6;
  --accent-ink:#12161c;
  --accent-soft:#222630;
  --amber:     #e0a64b;
  --amber-soft:#2c2410;
  --green:     #5cc282;
  --green-soft:#10241a;
  --violet:    #d68ac0;
  --violet-soft:#2a1a26;
  --blue:      #7ea0e0;
  --blue-soft: #1a2030;
  --coral:     #e08763;
  --coral-soft:#2c1a12;
  --slate:     #a9b2bf;
  --slate-soft:#1e2127;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
  --shadow-md: 0 6px 22px rgba(0,0,0,.45);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.6);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1,h2,h3,h4 { margin: 0; font-family: var(--display); font-weight: 700; letter-spacing: -.015em; }
a { color: var(--accent); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--accent-soft); }

/* ---------- scrollbars ---------- */
.filter-panels::-webkit-scrollbar, .myevents-body::-webkit-scrollbar, .detail-drawer::-webkit-scrollbar { width: 9px; }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 8px; }
::-webkit-scrollbar-track { background: transparent; }

/* ============ HEADER ============ */
.app-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 14px 22px 12px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  width: 38px; height: 38px; flex: none;
  display: grid; place-items: center;
  border-radius: 11px;
  background: var(--accent);
  color: var(--accent-ink); box-shadow: var(--shadow-sm);
}
.brand-text { min-width: 0; }
.brand-text h1 { font-size: 17px; font-weight: 800; line-height: 1.15; white-space: nowrap; }
.brand-sub { margin: 2px 0 0; font-family: var(--mono); font-size: 11px; letter-spacing: .03em; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.header-actions { display: flex; align-items: center; gap: 8px; flex: none; }
.icon-btn {
  width: 38px; height: 38px; flex: none;
  display: grid; place-items: center;
  border: 1px solid var(--border); border-radius: 10px;
  background: var(--surface); color: var(--ink-2);
  transition: .15s ease;
}
.icon-btn:hover { border-color: var(--border-2); color: var(--ink); transform: translateY(-1px); }
.icon-btn.active { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.i-moon { display: none; }
[data-theme="dark"] .i-sun { display: none; }
[data-theme="dark"] .i-moon { display: block; }

.primary-btn {
  display: inline-flex; align-items: center; gap: 7px;
  height: 38px; padding: 0 15px;
  border: 1px solid transparent; border-radius: 10px;
  background: var(--accent); color: var(--accent-ink);
  font-size: 13.5px; font-weight: 600;
  box-shadow: var(--shadow-sm); transition: .15s ease;
}
.primary-btn:hover { filter: brightness(1.06); transform: translateY(-1px); }
.count-badge {
  display: inline-grid; place-items: center; min-width: 19px; height: 19px;
  padding: 0 5px; border-radius: 10px;
  background: rgba(255,255,255,.25); color: #fff; font-size: 11px; font-weight: 700;
}

/* ---------- ASK BAR ---------- */
.ask-wrap { max-width: var(--maxw); margin: 0 auto; padding: 2px 22px 16px; }
.ask-bar {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface);
  border: 1.5px solid var(--border-2);
  border-radius: 14px;
  padding: 7px 8px 7px 14px;
  box-shadow: var(--shadow-sm);
  transition: border-color .18s ease, box-shadow .18s ease;
}
.ask-bar:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.ask-spark { color: var(--accent); flex: none; }
#ask-input {
  flex: 1; min-width: 0; border: none; outline: none; background: transparent;
  font-size: 15.5px; color: var(--ink); padding: 6px 0;
}
#ask-input::placeholder { color: var(--faint); }
.ask-clear {
  border: none; background: transparent; color: var(--faint);
  font-size: 22px; line-height: 1; width: 28px; height: 28px; border-radius: 8px;
}
.ask-clear:hover { color: var(--ink); background: var(--surface-2); }
.ask-go {
  display: inline-flex; align-items: center; gap: 7px;
  height: 36px; padding: 0 16px; border: none; border-radius: 10px;
  background: var(--ink); color: var(--bg); font-weight: 600; font-size: 13.5px;
  transition: .15s ease;
}
.ask-go:hover { filter: brightness(1.1); }
.ask-go-icon { display: none; }
.ask-go-spin { display: none; animation: spin 0.8s linear infinite; }
.ask-go.loading .ask-go-spin { display: block; }
.ask-go.loading .ask-go-text { opacity: .6; }
.ask-go.loading .ask-go-icon { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.ask-suggest { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 10px; }
.suggest-chip {
  font-size: 12.5px; color: var(--muted);
  background: var(--surface); border: 1px solid var(--border);
  padding: 5px 11px; border-radius: 20px; transition: .14s ease;
}
.suggest-chip:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.suggest-chip b { font-weight: 600; color: var(--ink-2); }
.ask-examples-toggle {
  margin-top: 10px; font-size: 12.5px; color: var(--muted);
  background: none; border: none; padding: 0; cursor: pointer;
  transition: color .14s ease;
}
.ask-examples-toggle:hover { color: var(--accent); text-decoration: underline; }

/* ============ CONTROL BAR ============ */
.control-bar {
  max-width: var(--maxw); margin: 0 auto;
  padding: 12px 22px 6px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  flex-wrap: wrap;
}
.control-left, .control-right { display: flex; align-items: center; gap: 12px; }
.result-count { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.result-count b { color: var(--ink); font-weight: 600; }

.sort-control { display: flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.sort-control select {
  font-family: var(--mono); font-size: 12px; color: var(--ink);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 9px; padding: 7px 9px; outline: none; transition: .15s;
}
.sort-control select:hover { border-color: var(--border-2); }

.view-switch { display: inline-flex; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 3px; gap: 2px; }
.view-switch button {
  width: 34px; height: 30px; display: grid; place-items: center;
  border: none; background: transparent; color: var(--muted); border-radius: 7px; transition: .14s;
}
.view-switch button:hover { color: var(--ink); }
.view-switch button.active { background: var(--accent); color: var(--accent-ink); }

.ghost-btn {
  display: inline-flex; align-items: center; gap: 6px;
  height: 36px; padding: 0 13px;
  border: 1px solid var(--border); border-radius: 9px;
  background: var(--surface); color: var(--ink-2); font-size: 13px; font-weight: 500;
  transition: .15s ease;
}
.ghost-btn:hover { border-color: var(--border-2); color: var(--ink); }
.ghost-btn.danger { color: var(--danger); }
.mini-badge, .text-btn { font-size: 12px; }
.mini-badge { background: var(--accent); color: #fff; border-radius: 9px; padding: 1px 6px; font-weight: 700; }
.text-btn { border: none; background: transparent; color: var(--accent); font-weight: 600; }
.text-btn:hover { text-decoration: underline; }

/* ---------- chips ---------- */
.chip-bar { max-width: var(--maxw); margin: 0 auto; padding: 8px 22px 2px; display: flex; flex-wrap: wrap; gap: 7px; }
.fchip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 500;
  background: var(--accent-soft); color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  padding: 4px 6px 4px 11px; border-radius: 20px;
}
.fchip .x { cursor: pointer; font-size: 15px; line-height: 1; opacity: .7; padding: 0 2px; }
.fchip .x:hover { opacity: 1; }
.fchip .cat { opacity: .65; font-weight: 600; text-transform: uppercase; font-size: 10px; letter-spacing: .04em; }

/* ---------- interpretation banner ---------- */
.interpret-banner {
  max-width: var(--maxw); margin: 8px auto 0; padding: 0 22px;
}
.interpret-inner {
  display: flex; align-items: flex-start; gap: 11px;
  background: linear-gradient(120deg, var(--accent-soft), color-mix(in srgb, var(--violet-soft) 70%, transparent));
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  border-radius: 12px; padding: 11px 14px;
}
.interpret-inner svg { color: var(--accent); flex: none; margin-top: 1px; }
.interpret-inner .it-text { font-size: 13px; color: var(--ink-2); flex: 1; }
.interpret-inner .it-text b { color: var(--ink); }
.interpret-inner .it-src { font-size: 11px; color: var(--muted); }
.interpret-inner .it-dismiss { border: none; background: transparent; color: var(--muted); font-size: 18px; line-height: 1; }

/* ============ LAYOUT ============ */
.layout {
  max-width: var(--maxw); margin: 0 auto; padding: 14px 22px 60px;
  display: grid; grid-template-columns: 264px 1fr; gap: 26px; align-items: start;
}
.sidebar {
  position: sticky; top: 168px;
  align-self: start;
  max-height: calc(100vh - 188px);
  display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden;
}
.sidebar-head {
  display: flex; align-items: center; gap: 8px;
  padding: 13px 16px; border-bottom: 1px solid var(--border);
  font-family: var(--mono); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .06em;
}
.sidebar-head > span { flex: 1; }
.filter-panels { overflow-y: auto; padding: 4px 0 8px; }

.fpanel { border-bottom: 1px solid var(--border); }
.fpanel:last-child { border-bottom: none; }
.fpanel-head {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border: none; background: transparent; color: var(--ink);
  font-family: var(--mono); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em;
}
.fpanel-head:hover { color: var(--accent); }
.fpanel-head .chev { transition: transform .2s ease; color: var(--faint); }
.fpanel.collapsed .chev { transform: rotate(-90deg); }
.fpanel.collapsed .fpanel-body { display: none; }
.fpanel-body { padding: 0 12px 12px; }

.opt {
  display: flex; align-items: center; gap: 9px;
  padding: 6px 8px; border-radius: 8px; cursor: pointer;
  font-size: 13px; color: var(--ink-2); transition: background .12s;
}
.opt:hover { background: var(--surface-2); }
.opt input { display: none; }
.opt .box {
  width: 17px; height: 17px; flex: none; border-radius: 5px;
  border: 1.5px solid var(--border-2); display: grid; place-items: center;
  transition: .14s; color: #fff;
}
.opt .box svg { opacity: 0; width: 11px; height: 11px; }
.opt input:checked + .box { background: var(--accent); border-color: var(--accent); }
.opt input:checked + .box svg { opacity: 1; }
.opt .lbl { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.opt .cnt { font-family: var(--mono); font-size: 11px; color: var(--faint); font-variant-numeric: tabular-nums; }
.opt input:checked ~ .lbl { color: var(--ink); font-weight: 500; }

.tag-search {
  width: 100%; border: 1px solid var(--border); border-radius: 8px;
  padding: 7px 10px; font-size: 12.5px; margin-bottom: 6px; outline: none;
  background: var(--surface-2); color: var(--ink);
}
.tag-search:focus { border-color: var(--accent); }
.opt-scroll { max-height: 230px; overflow-y: auto; }
.toggle-opt { display: flex; align-items: center; justify-content: space-between; padding: 7px 8px; font-size: 13px; color: var(--ink-2); cursor: pointer; border-radius: 8px; }
.toggle-opt:hover { background: var(--surface-2); }
.switch { position: relative; width: 34px; height: 20px; flex: none; }
.switch input { display: none; }
.switch .track { position: absolute; inset: 0; background: var(--border-2); border-radius: 20px; transition: .16s; }
.switch .knob { position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; background: #fff; border-radius: 50%; transition: .16s; box-shadow: var(--shadow-sm); }
.switch input:checked + .track { background: var(--accent); }
.switch input:checked + .track + .knob { transform: translateX(14px); }

/* ============ RESULTS ============ */
.results-area { min-width: 0; }
.results { display: flex; flex-direction: column; gap: 12px; }

/* Day group header (agenda) */
.day-group { margin-top: 6px; }
.day-group:first-child { margin-top: 0; }
.day-header {
  position: sticky; top: 156px; z-index: 5;
  display: flex; align-items: baseline; gap: 12px;
  padding: 10px 4px; margin-bottom: 8px;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1.5px solid var(--border-2);
}
.day-header h2 { font-size: 18px; font-weight: 700; }
.day-header .dh-date { font-family: var(--mono); font-size: 11.5px; color: var(--muted); }
.day-header .dh-count { margin-left: auto; font-family: var(--mono); font-size: 11px; color: var(--faint); }
.time-rail {
  font-family: var(--mono); font-size: 11px; font-weight: 600; color: var(--accent);
  text-transform: uppercase; letter-spacing: .05em;
  padding: 12px 4px 4px; display: flex; align-items: center; gap: 8px;
}
.time-rail::after { content: ""; flex: 1; height: 1px; background: var(--border); }

/* ---------- CARD (list) ---------- */
.card {
  position: relative;
  display: grid; grid-template-columns: 96px 1fr auto; gap: 16px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px;
  box-shadow: var(--shadow-sm); cursor: pointer;
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.card:hover { border-color: var(--border-2); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.card.is-fav { border-color: color-mix(in srgb, var(--amber) 40%, var(--border)); }
.card-time { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.card-time .ct-day { font-size: 10.5px; color: var(--faint); text-transform: uppercase; letter-spacing: .03em; font-weight: 600; }
.card-time .ct-start { font-size: 14px; font-weight: 600; color: var(--ink); margin-top: 4px; letter-spacing: -.01em; }
.card-time .ct-end { font-size: 11.5px; color: var(--muted); }
.card-time .ct-dur { display: inline-block; margin-top: 6px; font-size: 10px; color: var(--muted); background: var(--surface-2); border: 1px solid var(--border); padding: 1px 6px; border-radius: 6px; }

.card-main { min-width: 0; }
.card-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 7px; align-items: center; }
.badge { font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; padding: 3px 8px; border-radius: 999px; display: inline-flex; align-items: center; gap: 5px; }
.badge::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; flex: none; }
.badge.t-KEYNOTE { background: var(--amber-soft); color: var(--amber); }
.badge.t-SESSION { background: var(--blue-soft); color: var(--blue); }
.badge.t-WORKSHOP { background: var(--green-soft); color: var(--green); }
.badge.t-SPONSOR { background: var(--slate-soft); color: var(--slate); }
.badge.t-SPECIAL_EVENT { background: var(--violet-soft); color: var(--violet); }
.badge.tentative { background: transparent; border: 1px dashed var(--border-2); color: var(--muted); }
.badge.tentative::before { display: none; }
.topic-pill { font-family: var(--mono); font-size: 11px; color: var(--muted); display: inline-flex; align-items: center; gap: 5px; }
.topic-pill::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--coral); opacity: .85; }
.room-pill { font-family: var(--mono); font-size: 11px; color: var(--faint); }

.card-title { font-family: var(--display); font-size: 16.5px; font-weight: 700; line-height: 1.28; color: var(--ink); letter-spacing: -.015em; }
.card-speakers { font-size: 12.5px; color: var(--muted); margin-top: 5px; display: flex; flex-wrap: wrap; gap: 2px 8px; }
.card-speakers .sp-name { color: var(--ink-2); font-weight: 500; }
.card-abstract { font-size: 13px; color: var(--muted); margin-top: 8px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 9px; }
.tagchip { font-size: 11px; color: var(--muted); background: var(--surface-2); border: 1px solid var(--border); padding: 2px 8px; border-radius: 20px; }
.tagchip.hot { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 30%, transparent); background: var(--accent-soft); }

.fav-btn {
  align-self: start; width: 36px; height: 36px; flex: none;
  border: 1px solid var(--border); border-radius: 10px; background: var(--surface);
  display: grid; place-items: center; color: var(--faint); transition: .15s;
}
.fav-btn:hover { color: var(--amber); border-color: var(--amber); transform: scale(1.06); }
.fav-btn.on { color: var(--amber); border-color: color-mix(in srgb, var(--amber) 45%, transparent); background: var(--amber-soft); }
.fav-btn svg { transition: .15s; }
.fav-btn.on svg { fill: var(--amber); }

mark { background: color-mix(in srgb, var(--accent-soft) 80%, #fde68a); color: inherit; border-radius: 3px; padding: 0 1px; }

/* ---------- COMPACT view ---------- */
.results.view-compact { gap: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.results.view-compact .card {
  grid-template-columns: 124px 1fr auto; gap: 16px; align-items: center;
  border: none; border-bottom: 1px solid var(--border); border-radius: 0;
  box-shadow: none; padding: 11px 16px; transform: none;
}
.results.view-compact .card:hover { background: var(--surface-2); }
.results.view-compact .card:last-child { border-bottom: none; }
.results.view-compact .card-time { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 6px; min-width: 0; overflow: hidden; }
.results.view-compact .card-time .ct-day { font-size: 10.5px; order: 2; }
.results.view-compact .card-time .ct-start { font-size: 13px; margin: 0; order: 1; }
.results.view-compact .card-time .ct-end, .results.view-compact .card-time .ct-dur, .results.view-compact .ct-room { display: none; }
.results.view-compact .card-badges { margin: 0; }
.results.view-compact .card-title { font-size: 14px; line-height: 1.3; }
.results.view-compact .card-abstract, .results.view-compact .card-tags { display: none; }
.results.view-compact .card-speakers { margin-top: 2px; -webkit-line-clamp: 1; }
.results.view-compact .fav-btn { width: 30px; height: 30px; }
.results.view-compact .badge { display: none; }
.results.view-compact .badge.t-KEYNOTE, .results.view-compact .badge.t-WORKSHOP, .results.view-compact .badge.t-SPECIAL_EVENT { display: inline; }

/* compact + list share day grouping when agenda */

/* ---------- empty ---------- */
.empty-state { text-align: center; padding: 70px 20px; color: var(--muted); }
.empty-emoji { font-size: 40px; margin-bottom: 8px; }
.empty-state h3 { color: var(--ink); margin-bottom: 6px; }
.empty-state p { margin: 0 0 18px; }

/* ============ DRAWERS ============ */
.scrim { position: fixed; inset: 0; background: rgba(15,15,20,.42); z-index: 60; opacity: 0; animation: fade .2s ease forwards; }
[data-theme="dark"] .scrim { background: rgba(0,0,0,.6); }
@keyframes fade { to { opacity: 1; } }
.drawer {
  position: fixed; top: 0; right: 0; height: 100dvh; width: min(460px, 94vw);
  background: var(--surface); z-index: 70; box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column;
  transform: translateX(100%); animation: slideIn .26s cubic-bezier(.22,.61,.36,1) forwards;
  border-left: 1px solid var(--border);
}
@keyframes slideIn { to { transform: translateX(0); } }
.drawer-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 20px 22px 14px; border-bottom: 1px solid var(--border); }
.drawer-head h2 { font-size: 18px; }
.drawer-sub { margin: 3px 0 0; font-size: 12.5px; color: var(--muted); }

/* detail drawer */
.detail-drawer { padding: 0; }
.dd-scroll { overflow-y: auto; padding: 22px 24px 40px; }
.dd-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.dd-close { width: 36px; height: 36px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); display: grid; place-items: center; font-size: 20px; color: var(--ink-2); }
.dd-badges { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 14px; }
.dd-title { font-family: var(--serif); font-size: 25px; line-height: 1.22; font-weight: 500; letter-spacing: -.01em; }
.dd-meta { display: flex; flex-direction: column; gap: 10px; margin: 18px 0; padding: 16px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px; }
.dd-meta-row { display: flex; gap: 11px; font-size: 13.5px; align-items: flex-start; }
.dd-meta-row svg { color: var(--accent); flex: none; margin-top: 2px; }
.dd-meta-row .k { color: var(--muted); }
.dd-meta-row .v { color: var(--ink); font-weight: 500; }
.dd-section-title { font-family: var(--mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--faint); font-weight: 600; margin: 22px 0 10px; }
.dd-abstract { font-size: 14.5px; line-height: 1.62; color: var(--ink-2); }
.dd-speaker { display: flex; gap: 12px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); }
.dd-speaker:last-child { border-bottom: none; }
.dd-avatar { width: 40px; height: 40px; flex: none; border-radius: 50%; display: grid; place-items: center; font-weight: 600; color: #fff; font-size: 15px; background: var(--accent); }
.dd-sp-name { font-weight: 600; font-size: 14px; }
.dd-sp-role { font-size: 12.5px; color: var(--muted); }
.dd-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.dd-actions { display: flex; gap: 10px; margin-top: 24px; position: sticky; bottom: 0; padding-top: 14px; }
.dd-fav { flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; border-radius: 11px; border: 1px solid var(--border-2); background: var(--surface); font-weight: 600; font-size: 14px; color: var(--ink); transition: .15s; }
.dd-fav:hover { border-color: var(--amber); }
.dd-fav.on { background: var(--amber-soft); border-color: var(--amber); color: var(--amber); }
.dd-fav.on svg { fill: var(--amber); }

/* my events drawer */
.myevents-tools { display: flex; flex-wrap: wrap; gap: 7px; padding: 13px 20px; border-bottom: 1px solid var(--border); }
.myevents-tools .ghost-btn { height: 32px; padding: 0 11px; font-size: 12.5px; }
.myevents-body { overflow-y: auto; padding: 8px 16px 30px; flex: 1; }
.me-empty { text-align: center; color: var(--muted); padding: 50px 20px; }
.me-empty .em { font-size: 34px; margin-bottom: 10px; }
.me-day { font-family: var(--mono); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--faint); padding: 16px 6px 7px; }
.me-item { display: flex; gap: 12px; padding: 11px 10px; border-radius: 10px; transition: background .12s; }
.me-item:hover { background: var(--surface-2); }
.me-time { font-family: var(--mono); font-size: 11.5px; font-variant-numeric: tabular-nums; color: var(--accent); font-weight: 600; white-space: nowrap; min-width: 64px; }
.me-info { flex: 1; min-width: 0; }
.me-title { font-size: 13.5px; font-weight: 500; line-height: 1.34; cursor: pointer; }
.me-title:hover { color: var(--accent); }
.me-sub { font-size: 11.5px; color: var(--muted); margin-top: 2px; }
.me-remove { border: none; background: transparent; color: var(--faint); font-size: 17px; align-self: flex-start; padding: 2px 4px; border-radius: 6px; }
.me-remove:hover { color: var(--danger); background: var(--surface-2); }
.me-conflict { display: flex; align-items: center; gap: 7px; margin: 4px 6px; padding: 7px 11px; font-size: 12px; border-radius: 8px; background: var(--amber-soft); color: var(--amber); border: 1px solid color-mix(in srgb, var(--amber) 30%, transparent); }

/* ============ SETTINGS MODAL ============ */
.modal-scrim { display: grid; place-items: center; padding: 20px; }
.modal { width: min(480px, 100%); background: var(--surface); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow-lg); transform: scale(.96); animation: pop .2s ease forwards; }
@keyframes pop { to { transform: scale(1); } }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--border); }
.modal-body { padding: 20px 22px 24px; }
.field-label { display: block; font-size: 13px; font-weight: 600; margin: 16px 0 7px; }
#apikey-input { width: 100%; border: 1px solid var(--border-2); border-radius: 10px; padding: 10px 12px; font-size: 14px; background: var(--surface-2); color: var(--ink); outline: none; }
#apikey-input:focus { border-color: var(--accent); }
.settings-row { margin: 14px 0; }
.toggle-line { display: flex; align-items: center; gap: 9px; font-size: 13.5px; color: var(--ink-2); cursor: pointer; }
.settings-actions { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.fineprint { font-size: 11.5px; color: var(--faint); margin-top: 16px; line-height: 1.5; }
.fineprint code, .muted code { background: var(--surface-2); border: 1px solid var(--border); border-radius: 5px; padding: 1px 5px; font-size: 11px; }
.muted { color: var(--muted); font-size: 13px; }

/* ============ TOAST ============ */
.toast {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: var(--bg); padding: 11px 18px; border-radius: 11px;
  font-size: 13.5px; font-weight: 500; z-index: 90; box-shadow: var(--shadow-lg);
  opacity: 0; transition: .25s ease; pointer-events: none; max-width: 90vw;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============ FOOTER ============ */
.app-footer { max-width: var(--maxw); margin: 0 auto; padding: 24px 22px 40px; display: flex; justify-content: space-between; gap: 12px; font-family: var(--mono); font-size: 11.5px; color: var(--faint); border-top: 1px solid var(--border); }

/* ============ RESPONSIVE ============ */
.only-mobile { display: none; }
.filters-toggle { display: none; }
@media (max-width: 960px) {
  .layout { grid-template-columns: 1fr; }
  .filters-toggle { display: inline-flex; }
  .sidebar {
    position: fixed; top: 0; left: 0; height: 100dvh; width: min(330px, 88vw);
    max-height: none; border-radius: 0; z-index: 70; transform: translateX(-100%);
    transition: transform .26s cubic-bezier(.22,.61,.36,1); border-right: 1px solid var(--border);
  }
  .sidebar.open { transform: translateX(0); }
  .only-mobile { display: grid; }
  .day-header, .sidebar { top: 0; }
}
@media (max-width: 720px) {
  .header-inner { flex-wrap: wrap; }
  .brand-text h1 { font-size: 15px; white-space: normal; }
  .primary-btn span:not(.count-badge) { display: none; }
  .primary-btn { padding: 0 11px; }
  .card { grid-template-columns: 70px 1fr; }
  .card .fav-btn { position: absolute; top: 14px; right: 14px; }
  .card-main { padding-right: 8px; }
  .ask-go-text { display: none; }
  .ask-go:not(.loading) .ask-go-icon { display: block; }
  .ask-go { padding: 0 13px; }
  /* single swipeable row of suggestions instead of 7 stacked lines */
  .ask-suggest {
    flex-wrap: nowrap; overflow-x: auto; margin-top: 9px;
    scrollbar-width: none; -webkit-overflow-scrolling: touch;
    margin-left: -16px; margin-right: -16px; padding: 0 16px 2px;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 14px, #000 calc(100% - 22px), transparent);
            mask-image: linear-gradient(90deg, transparent, #000 14px, #000 calc(100% - 22px), transparent);
  }
  .ask-suggest::-webkit-scrollbar { display: none; }
  .suggest-chip { flex: 0 0 auto; white-space: nowrap; }
  .control-bar { padding: 12px 16px 6px; }
  .header-inner, .ask-wrap, .layout, .chip-bar, .control-bar { padding-left: 16px; padding-right: 16px; }
  .results.view-compact .card { grid-template-columns: 64px 1fr auto; }
  .results.view-compact .ct-room { display: none; }
  .sort-control span { display: none; }
}
@media (max-width: 460px) {
  .card { grid-template-columns: 1fr; gap: 4px; }
  .card-time { display: flex; gap: 8px; align-items: baseline; }
  .card-time .ct-dur { margin-top: 0; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ============================================================
   SEARCH/DISCOVERY OVERHAUL — semantic search, vector map
   ============================================================ */

/* semantic status pill in the ask bar */
.ask-sem {
  flex: none; width: 26px; height: 26px; border-radius: 50%;
  border: 1px solid var(--border-2); background: var(--surface-2);
  color: var(--muted); font-size: 13px; cursor: pointer; margin-right: 4px;
  display: inline-flex; align-items: center; justify-content: center;
}
.ask-sem.sem-ready, .ask-sem.sem-idle { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.ask-sem.sem-loading { color: var(--amber); border-color: var(--amber); animation: semspin 1s linear infinite; }
.ask-sem.sem-error { color: var(--danger); border-color: var(--danger); }
@keyframes semspin { to { transform: rotate(360deg); } }

.rc-sem { color: var(--accent); font-weight: 600; }

/* "related by meaning" badge + cluster badge */
.badge.sem { background: var(--accent-soft); color: var(--accent); border: 1px solid transparent; }
.badge.cluster { background: var(--slate-soft); color: var(--slate); font-weight: 600; }

/* summary preview (abstract-less cards) */
.card-abstract.card-summary { font-style: italic; color: var(--muted); }
.dd-summary { font-family: var(--serif); font-size: 16px; color: var(--ink-2); margin: 2px 0 14px; line-height: 1.5; }

/* keyphrase chips in drawer */
.kpchip {
  display: inline-block; padding: 3px 9px; margin: 0 5px 5px 0; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border-2); color: var(--ink-2);
  font-size: 12px; cursor: pointer;
}
.kpchip:hover { border-color: var(--accent); color: var(--accent); }

/* related talks strip in detail drawer */
.dd-related { display: flex; flex-direction: column; gap: 6px; margin-bottom: 6px; }
.dd-related-load { color: var(--muted); font-size: 13px; padding: 4px 0; }
.dd-rel {
  display: flex; align-items: center; gap: 10px; text-align: left; width: 100%;
  padding: 8px 10px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--surface-2); cursor: pointer;
}
.dd-rel:hover { border-color: var(--accent); background: var(--surface); }
.dd-rel-sim {
  flex: none; font-size: 11px; font-weight: 700; color: var(--accent);
  background: var(--accent-soft); border-radius: 6px; padding: 3px 6px; min-width: 38px; text-align: center;
}
.dd-rel-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.dd-rel-title { font-size: 13.5px; font-weight: 600; color: var(--ink); line-height: 1.3; }
.dd-rel-sub { font-size: 11.5px; color: var(--muted); }

.settings-sep { border: none; border-top: 1px solid var(--border); margin: 18px 0 4px; }
.primary-btn.sm, .ghost-btn.sm { padding: 5px 11px; font-size: 12.5px; }

/* ===== VECTOR MAP ===== */
.map-wrap { display: flex; flex-direction: column; gap: 10px; }
.map-toolbar {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 8px 12px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
}
.map-tb-group { display: flex; align-items: center; gap: 8px; }
.map-tb-label { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }
.map-toolbar select {
  font: inherit; font-size: 13px; padding: 5px 8px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-2); background: var(--surface-2); color: var(--ink);
}
.map-tool { display: inline-flex; align-items: center; gap: 5px; }
.map-tool.active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.map-tb-hint { font-family: var(--mono); font-size: 11px; color: var(--faint); margin-left: auto; }

.map-stage {
  position: relative; height: 70vh; min-height: 440px;
  background:
    radial-gradient(circle at 30% 30%, color-mix(in srgb, var(--accent) 6%, transparent), transparent 60%),
    var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm);
}
#map-canvas { display: block; width: 100%; height: 100%; cursor: grab; }
#map-canvas:active { cursor: grabbing; }

.map-tooltip {
  position: absolute; z-index: 5; max-width: 240px; pointer-events: none;
  background: var(--surface); border: 1px solid var(--border-2); border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md); padding: 9px 11px;
}
.mt-title { font-size: 13px; font-weight: 700; color: var(--ink); line-height: 1.3; }
.mt-sub { font-size: 11px; color: var(--muted); margin-top: 3px; }
.mt-sum { font-size: 11.5px; color: var(--ink-2); margin-top: 5px; font-style: italic; line-height: 1.35; }
.mt-cl { font-size: 10.5px; color: var(--accent); margin-top: 5px; font-weight: 600; }

.map-legend {
  position: absolute; top: 10px; right: 10px; z-index: 4; max-width: 230px; max-height: calc(100% - 20px);
  overflow: auto; display: flex; flex-direction: column; gap: 2px;
  background: color-mix(in srgb, var(--surface) 86%, transparent); backdrop-filter: blur(6px);
  border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 7px;
}
.leg-body { display: flex; flex-direction: column; gap: 2px; }
.leg-item {
  display: flex; align-items: center; gap: 7px; text-align: left;
  font-size: 11.5px; color: var(--ink-2); padding: 3px 5px; border-radius: 6px; cursor: pointer; background: none; border: none;
}
.leg-item:hover { background: var(--surface-2); }
.leg-item.muted { opacity: .4; text-decoration: line-through; }
.leg-dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
/* Toggle header is hidden on web — the legend is always expanded there. */
.leg-toggle {
  display: none; align-items: center; justify-content: space-between; gap: 6px; width: 100%;
  font-size: 11px; font-weight: 600; color: var(--ink-2); padding: 2px 3px;
  background: none; border: none; cursor: pointer;
}
.leg-caret { transition: transform .15s ease; }
.map-legend.open .leg-caret { transform: rotate(180deg); }

.map-loading {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 14px; background: var(--surface);
}
.map-selbar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 9px 13px; background: var(--accent-soft); border: 1px solid var(--accent);
  border-radius: var(--radius);
}
.map-selbar #map-selcount { font-weight: 700; color: var(--accent); font-size: 13px; margin-right: 4px; }

@media (max-width: 720px) {
  .map-stage { height: 62vh; min-height: 360px; }
  .map-tb-hint { display: none; }
  .map-legend { max-width: 150px; font-size: 10.5px; }
  /* On mobile the legend collapses to a small toggle so it stops covering the map. */
  .map-legend .leg-toggle { display: flex; }
  .map-legend.collapsed { max-width: none; width: auto; }
  .map-legend.collapsed .leg-body { display: none; }
}