/* ICED26 Live Programme — palette sampled from official logo */
:root {
  --teal:        #5BA9A3;
  --teal-deep:   #3F8580;
  --teal-soft:   #C7E0DD;
  --coral:       #E89669;
  --coral-deep:  #D17A4D;
  --coral-soft:  #F8D9C7;
  --taupe:       #9B7A6B;
  --taupe-soft:  #D9CABF;
  --cream:       #F7F2EA;
  --cream-deep:  #EFE6D6;
  --paper:       #FDFBF7;
  --ink:         #2B2724;
  --ink-soft:    #5C544E;
  --ink-mute:    #8A827C;
  --line:        #E5DDD0;

  /* session-type hues */
  --t-keynote:       #5BA9A3;  /* teal */
  --t-symposium:     #6E8FB8;  /* dusty blue */
  --t-paper:         #9B7A6B;  /* taupe */
  --t-workshop:      #D9A441;  /* mustard */
  --t-poster:        #B58FAE;  /* dusty purple */
  --t-collaborative: #7CA982;  /* sage */
  --t-talk:          #C66B5A;  /* warm red */
  --t-doctoral:      #5C7E9C;  /* slate */
  --t-social:        #C188A5;  /* mauve */
  --t-meeting:       #8A827C;  /* grey */
  --t-break:         #B0A89E;  /* warm grey */
  --t-other:         #C188A5;  /* dusty mauve */

  --shadow-sm: 0 1px 2px rgba(43,39,36,.05), 0 1px 3px rgba(43,39,36,.06);
  --shadow-md: 0 4px 12px rgba(43,39,36,.08), 0 2px 4px rgba(43,39,36,.06);
  --shadow-lg: 0 12px 32px rgba(43,39,36,.12), 0 4px 8px rgba(43,39,36,.06);

  --radius:    10px;
  --radius-lg: 14px;

  --slot-h:    60px;
  --grid-time-w: 64px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--cream);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4 { font-family: 'Fraunces', Georgia, serif; font-weight: 600; letter-spacing: -0.01em; margin: 0; }

button { font-family: inherit; cursor: pointer; }
a { color: inherit; }

/* ───── HEADER ───── */
.header {
  position: sticky; top: 0; z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: 1600px; margin: 0 auto;
  padding: 12px 20px;
  display: flex; align-items: center; gap: 14px;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
}
.brand-mark {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
  line-height: 1;
}
.brand-mark .c1 { color: var(--teal); }
.brand-mark .c2 { color: var(--coral); }
.brand-mark .c3 { color: var(--taupe); }
.brand-sub {
  font-size: 10px;
  color: var(--ink-mute);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 2px;
}
.brand-meta { display: flex; flex-direction: column; line-height: 1.15; }

.rooms-bar {
  flex: 1;
  display: flex; align-items: center; gap: 10px; flex-wrap: nowrap;
  justify-content: center;
  min-width: 0;
}
.rooms-bar-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-right: 6px;
  display: inline-flex; align-items: center; gap: 5px;
  white-space: nowrap;
  flex-shrink: 0;
  border-right: 1px solid var(--line);
  padding-right: 10px;
}
.rooms-bar-label svg { color: var(--teal); }

/* Cluster Meet menu (dropdown) */
.cluster-menu { position: relative; flex-shrink: 0; }
.cluster-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px;
  font-size: 13px;
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font-size: 12px; font-weight: 500;
  text-decoration: none;
  transition: all 0.15s ease;
  position: relative;
  white-space: nowrap;
}
.cluster-btn:hover { background: var(--cream); border-color: var(--taupe-soft); }
.cluster-btn:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }
.cluster-btn .room-icon { width: 16px; height: 16px; color: var(--ink-soft); flex-shrink: 0; }
.cluster-btn .cluster-name { font-weight: 600; }
.cluster-btn .cluster-count {
  background: var(--cream-deep);
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  min-width: 20px; text-align: center;
}
.cluster-btn .chev { color: var(--ink-mute); flex-shrink: 0; transition: transform 0.15s ease; }
.cluster-menu.is-open .chev { transform: rotate(180deg); }
.cluster-menu.has-live .cluster-btn {
  border-color: var(--coral);
  background: linear-gradient(135deg, var(--paper) 0%, var(--coral-soft) 100%);
}
.cluster-menu.has-live .cluster-btn .room-icon { color: var(--coral-deep); }

.cluster-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  min-width: 320px;
  z-index: 60;
  overflow: hidden;
  animation: dropdown-in 0.12s ease-out;
}
@keyframes dropdown-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.cluster-dropdown-head {
  padding: 12px 16px 10px;
  border-bottom: 1px solid var(--line);
  background: var(--cream);
  display: flex; flex-direction: column; gap: 2px;
}
.cluster-dropdown-head strong { font-family: 'Fraunces', serif; font-size: 14px; font-weight: 600; }
.cluster-room {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  transition: background 0.1s ease;
}
.cluster-room:last-child { border-bottom: none; }
.cluster-room:hover { background: var(--cream); }
.cluster-room.is-idle { opacity: 0.6; cursor: default; }
.cluster-room.is-idle:hover { background: var(--paper); }
.cluster-room .cr-name {
  font-size: 12.5px; font-weight: 600;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}
.cluster-room .cr-live {
  font-size: 11px; color: var(--coral-deep); font-weight: 500;
  display: inline-flex; align-items: center; gap: 6px;
  text-align: right;
  line-height: 1.3;
}
.cluster-room .cr-idle {
  font-size: 11px; color: var(--ink-mute);
  font-style: italic;
}

.live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--coral-deep);
  box-shadow: 0 0 0 0 rgba(209, 122, 77, 0.6);
  animation: pulse-dot 2s infinite;
  flex-shrink: 0;
}
@keyframes pulse-dot {
  0%   { box-shadow: 0 0 0 0 rgba(209,122,77,0.55); }
  70%  { box-shadow: 0 0 0 8px rgba(209,122,77,0); }
  100% { box-shadow: 0 0 0 0 rgba(209,122,77,0); }
}
.lang-toggle {
  background: transparent;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 5px;
  flex-shrink: 0;
}
.lang-toggle:hover { background: var(--cream); }

/* Admin: discreet floating button bottom-left */
.admin-fab {
  position: fixed;
  bottom: 18px; left: 18px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink-mute);
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm);
  z-index: 35;
  opacity: 0.55;
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.admin-fab:hover { opacity: 1; transform: scale(1.05); color: var(--ink); }

/* ───── DAY TABS ───── */
.day-tabs {
  max-width: 1600px; margin: 0 auto;
  padding: 24px 24px 0;
  display: flex; gap: 4px;
  justify-content: center;
  align-items: stretch;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.day-tabs-aside {
  position: absolute;
  right: 24px;
  bottom: 8px;
  display: flex;
  align-items: center;
}

/* ───── SESSION SEARCH ───── */
.session-search {
  position: relative;
  width: 280px;
  max-width: 32vw;
}
.ss-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 9px;
  height: 34px;
  padding: 0 10px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.ss-input-wrap.is-open,
.ss-input-wrap:focus-within {
  border-color: var(--teal);
  background: #fff;
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--teal) 16%, transparent);
}
.ss-icon { color: var(--ink-mute); flex: 0 0 auto; }
.ss-input {
  flex: 1 1 auto;
  border: none;
  outline: none;
  background: transparent;
  font: 400 13px/1 'Inter', sans-serif;
  color: var(--ink);
  padding: 0 6px;
  min-width: 0;
}
.ss-input::placeholder { color: var(--ink-mute); }
.ss-input::-webkit-search-cancel-button { display: none; }
.ss-shortcut {
  font: 600 10px/1 'Inter', sans-serif;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  background: color-mix(in oklab, var(--ink) 6%, transparent);
  border-radius: 4px;
  padding: 3px 5px;
  flex: 0 0 auto;
}
.ss-input-wrap:focus-within .ss-shortcut { display: none; }
.ss-clear {
  background: none;
  border: none;
  color: var(--ink-mute);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  border-radius: 4px;
}
.ss-clear:hover { color: var(--ink); background: color-mix(in oklab, var(--ink) 8%, transparent); }
.ss-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: min(440px, 90vw);
  max-height: 60vh;
  overflow-y: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12), 0 2px 6px rgba(0, 0, 0, 0.06);
  z-index: 200;
  padding: 4px;
}
.ss-empty {
  padding: 18px 14px;
  text-align: center;
  color: var(--ink-mute);
  font-size: 13px;
}
.ss-result {
  display: flex;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 9px 10px;
  background: none;
  border: none;
  border-radius: 7px;
  cursor: pointer;
  align-items: flex-start;
  color: inherit;
}
.ss-result.active { background: color-mix(in oklab, var(--teal) 9%, transparent); }
.ss-result-dot {
  flex: 0 0 auto;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-top: 6px;
}
.ss-result-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1 1 auto;
  min-width: 0;
}
.ss-result-primary {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
}
.ss-result-secondary {
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.35;
}
.ss-result-meta {
  font-size: 11px;
  color: var(--ink-mute);
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  margin-top: 2px;
}
.ss-result-in { font-style: italic; }
.ss-result mark {
  background: color-mix(in oklab, var(--coral) 22%, transparent);
  color: inherit;
  padding: 0 1px;
  border-radius: 2px;
}

/* Modal share button + toast */
.sm-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font: 500 13px 'Inter', sans-serif;
  padding: 9px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.sm-share-btn:hover {
  border-color: var(--ink-soft);
  color: var(--ink);
  background: color-mix(in oklab, var(--ink) 4%, transparent);
}
.sm-share-wrap { position: relative; display: inline-flex; }
.share-popover {
  position: absolute;
  bottom: calc(100% + 8px);
  right: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.14), 0 2px 6px rgba(0, 0, 0, 0.06);
  min-width: 240px;
  padding: 4px;
  z-index: 200;
  animation: share-pop 0.14s ease-out;
}
@keyframes share-pop {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.share-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 9px 10px;
  border-radius: 7px;
  cursor: pointer;
  color: inherit;
}
.share-item:hover { background: color-mix(in oklab, var(--teal) 9%, transparent); }
.share-item-icon {
  flex: 0 0 auto;
  width: 28px; height: 28px;
  border-radius: 6px;
  background: color-mix(in oklab, var(--ink) 5%, transparent);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-soft);
}
.share-item-body { display: flex; flex-direction: column; gap: 1px; }
.share-item-label { font-size: 13px; font-weight: 600; color: var(--ink); }
.share-item-sub { font-size: 11px; color: var(--ink-mute); }

.iced-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #1a1a1a;
  color: #fff;
  font: 500 13px 'Inter', sans-serif;
  padding: 10px 18px;
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}
.iced-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.day-tabs-label {
  position: absolute;
  left: 24px;
  bottom: 0;
  padding: 14px 0;
  display: flex;
  align-items: center;
  pointer-events: none;
  user-select: none;
}
.day-tabs-kicker {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  line-height: 1;
}
.day-tab {
  background: transparent;
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  border-bottom: 3px solid transparent;
  padding: 14px 22px 14px;
  margin-bottom: -1px;
  font-size: 14px; font-weight: 500;
  color: var(--ink-mute);
  display: flex; flex-direction: column; align-items: flex-start;
  gap: 2px;
  transition: all 0.15s ease;
}
.day-tab:hover { color: var(--ink-soft); }
.day-tab.active {
  color: var(--ink);
  border-bottom-color: var(--teal);
}
.day-tab .day-name { font-family: 'Fraunces', Georgia, serif; font-size: 18px; font-weight: 600; }
.day-tab .day-date { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-mute); }
.day-tab.is-today .day-name::after {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--coral);
  margin-left: 6px;
  vertical-align: middle;
}

/* ───── BUILDING TABS ───── */
.building-tabs {
  max-width: 1600px;
  margin: 0 auto;
  padding: 14px 24px 0;
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.building-tab {
  flex: 1 1 200px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 14px;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all 0.15s ease;
  font-family: inherit;
  color: var(--ink);
  position: relative;
}
.building-tab:hover {
  border-color: var(--teal);
  background: color-mix(in oklab, var(--teal) 4%, var(--paper));
}
.building-tab.active {
  border-color: var(--teal);
  background: color-mix(in oklab, var(--teal) 8%, var(--paper));
  box-shadow: 0 0 0 1px var(--teal) inset;
}
.building-tab .bt-name {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 15px;
  font-weight: 600;
}
.building-tab .bt-meta {
  font-size: 11px;
  color: var(--ink-mute);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.building-tab .bt-sep { opacity: 0.5; }
.building-tab .bt-live {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--coral);
  font-weight: 600;
  margin-left: auto;
}
.building-tab .bt-live .dot {
  width: 7px; height: 7px;
  background: var(--coral);
  border-radius: 50%;
  animation: pulse 1.6s ease-in-out infinite;
}
.building-tab.has-live { border-color: color-mix(in oklab, var(--coral) 40%, var(--line)); }

/* Coral comet trace for buildings with at least one live session — same
   technique as live cards, always-on so the user notices the breadcrumb. */
/* SVG-based comet trace: a stroked rect with animated stroke-dashoffset
   gives constant *perimeter* speed, unlike a conic gradient (which rotates
   at constant *angular* speed and looks uneven on a wide rectangle). */
.building-tab .bt-comet {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: visible;
}
.building-tab .bt-comet rect {
  width: calc(100% - 3px);
  height: calc(100% - 3px);
  fill: none;
  stroke: var(--coral);
  stroke-width: 2.5;
  stroke-linecap: round;
  /* pathLength=100 normalizes regardless of actual perimeter.
     Dash 22 / gap 78 = a ~22% bright segment with a soft edge via filter. */
  stroke-dasharray: 27.5 72.5;
  stroke-dashoffset: 0;
  filter: drop-shadow(0 0 4px color-mix(in oklab, var(--coral) 70%, transparent));
  animation: bt-comet-run 2.08s linear infinite;
}
@keyframes bt-comet-run {
  to { stroke-dashoffset: -100; }
}
.building-tab .bt-name,
.building-tab .bt-meta { position: relative; z-index: 2; }
@media (prefers-reduced-motion: reduce) {
  .building-tab .bt-comet rect {
    animation: none !important;
    stroke-dasharray: none;
  }
}

/* ───── GRID ───── */
.grid-wrap {
  max-width: 1600px; margin: 0 auto;
  padding: 16px 24px 110px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}
/* Grid + headers take the full container width — aligned with the
   building-tabs / day-tabs above. Avoid an inner max-width cap that
   would leave an asymmetric left margin. */
.grid-wrap > .grid,
.grid-wrap > .grid-headers { width: 100%; }
.grid-headers {
  display: grid;
  grid-template-columns: var(--grid-time-w) repeat(var(--cols), minmax(180px, 1fr));
  gap: 8px;
  position: sticky;
  top: 73px;
  background: var(--cream);
  z-index: 20;
  padding: 12px 0 8px;
  border-bottom: 1px solid var(--line);
}
.col-time-header { /* empty */ }
.col-cluster-header {
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-align: center;
  padding: 6px 8px;
  display: flex; flex-direction: column; gap: 2px;
}
.col-cluster-header .cluster-h-name {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 14px; font-weight: 600;
}
.col-cluster-header .cluster-h-sub {
  font-size: 10px; letter-spacing: 0.04em;
  color: var(--ink-mute);
  text-transform: uppercase;
}

.grid {
  display: grid;
  grid-template-columns: var(--grid-time-w) repeat(var(--cols), minmax(180px, 1fr));
  gap: 8px;
  position: relative;
}
/* Note: an old iddi-specific `overflow-x: auto` rule used to live here.
   It broke the sticky positioning of .grid-headers (sticky's containing
   scroll context becomes the new scroller, so `top: 73px` was measured
   from inside .grid-wrap instead of the page) — that's why the column
   headers in Edificio I+D+i appeared shoved down INSIDE the schedule
   area. Iddi has 4 rooms and fits without scroll, so the rule is gone. */
.time-col {
  display: grid;
  grid-template-rows: repeat(var(--slots), var(--slot-h));
  font-variant-numeric: tabular-nums;
}
.time-tick {
  font-size: 11px;
  color: var(--ink-mute);
  padding-top: 0;
  text-align: right;
  padding-right: 10px;
  border-top: 1px dashed var(--line);
  position: relative;
  top: -7px;
}
.time-tick.half { color: transparent; border-top-style: dotted; }
.time-tick.half::before {
  content: attr(data-time);
  color: var(--ink-mute);
  opacity: 0.4;
  font-size: 10px;
}

.cluster-col {
  position: relative;
  display: block;
  height: calc(var(--slots) * var(--slot-h));
  border-left: 1px solid var(--line);
  padding: 0;
}
/* Each .cell is now positioned directly inside .cluster-col */
.cluster-col > .cell {
  position: absolute;
  /* left/width are set inline per-cell to handle overlap split */
}
.cluster-col::before {
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent calc(var(--slot-h) - 1px),
    var(--line) calc(var(--slot-h) - 1px),
    var(--line) var(--slot-h)
  );
  pointer-events: none;
  opacity: 0.5;
}

/* Legacy cluster-cell / cell-stripe — no longer rendered, kept empty */
.cluster-cell { display: contents; }
.cell-stripe-meta, .cell-stripe { display: contents; }

/* ───── SESSION CELL ───── */
.cell {
  position: absolute;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--type-color, var(--taupe));
  border-radius: 8px;
  padding: 6px 8px 6px 8px;
  text-decoration: none;
  color: var(--ink);
  display: flex; flex-direction: column;
  gap: 2px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  overflow: hidden;
  cursor: pointer;
  min-width: 0;
  flex: 1;
}
.cell:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); z-index: 10; }
.cell:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; z-index: 10; }
.cell .c-room {
  font-size: 10px; color: var(--ink-mute);
  font-variant-numeric: tabular-nums;
  display: flex; align-items: center; gap: 6px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.cell .c-room-code {
  background: var(--cream-deep);
  color: var(--ink);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
}
.cell .c-time { color: var(--ink-mute); }
.cell .c-title {
  font-size: 12px; font-weight: 600;
  line-height: 1.2;
  margin: 1px 0 1px;
  text-wrap: pretty;
  overflow: hidden;
  flex: 1;
  min-height: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.cell .c-talks-count {
  font-size: 10px;
  color: var(--ink-mute);
  font-style: italic;
}
.cell .c-type {
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
  margin-top: auto;
  padding-top: 2px;
  opacity: 0.85;
}

/* When packed tight (3+ parallel), simplify */
.cell.sub-of-3 .c-title,
.cell.sub-of-4 .c-title,
.cell.sub-of-5 .c-title { font-size: 10.5px; -webkit-line-clamp: 4; }
.cell.sub-of-6 .c-title,
.cell.sub-of-7 .c-title,
.cell.sub-of-8 .c-title,
.cell.sub-of-9 .c-title,
.cell.sub-of-10 .c-title,
.cell.sub-of-11 .c-title,
.cell.sub-of-12 .c-title,
.cell.sub-of-13 .c-title,
.cell.sub-of-14 .c-title { font-size: 9.5px; -webkit-line-clamp: 5; line-height: 1.15; }
.cell.sub-of-3, .cell.sub-of-4, .cell.sub-of-5 { padding: 5px 6px; }
.cell.sub-of-3 .c-talks-count,
.cell.sub-of-4 .c-talks-count,
.cell.sub-of-5 .c-talks-count { display: none; }
.cell.sub-of-6, .cell.sub-of-7, .cell.sub-of-8, .cell.sub-of-9,
.cell.sub-of-10, .cell.sub-of-11, .cell.sub-of-12,
.cell.sub-of-13, .cell.sub-of-14 {
  padding: 4px 5px;
}
.cell.sub-of-6 .c-talks-count,
.cell.sub-of-7 .c-talks-count,
.cell.sub-of-8 .c-talks-count,
.cell.sub-of-9 .c-talks-count,
.cell.sub-of-10 .c-talks-count,
.cell.sub-of-11 .c-talks-count,
.cell.sub-of-12 .c-talks-count,
.cell.sub-of-13 .c-talks-count,
.cell.sub-of-14 .c-talks-count { display: none; }
.cell.sub-of-6 .c-type,
.cell.sub-of-7 .c-type,
.cell.sub-of-8 .c-type,
.cell.sub-of-9 .c-type,
.cell.sub-of-10 .c-type,
.cell.sub-of-11 .c-type,
.cell.sub-of-12 .c-type,
.cell.sub-of-13 .c-type,
.cell.sub-of-14 .c-type { display: none; }

/* short cells (≤60min) */
.cell.is-short { padding: 5px 6px; }
.cell.is-short .c-title { font-size: 11px; line-height: 1.18; }
.cell.is-short .c-talks-count { display: none; }

/* States */
.cell.is-past {
  background: var(--cream-deep);
  opacity: 0.55;
  box-shadow: none;
}
.cell.is-past .c-title { font-weight: 500; }

/* LIVE — hover trace: a coral "comet" sweeps around the cell border on hover.
   Built with a conic-gradient + content-box/border-box mask exclude, animated
   via @property --live-angle (smooth in Chrome/Safari/FF112+). */
@property --live-angle { syntax: "<angle>"; initial-value: 0deg; inherits: false; }
.cell.is-live::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: 6;
  padding: 2px;
  background: conic-gradient(
    from var(--live-angle),
    transparent 0deg,
    var(--coral) 30deg,
    var(--coral-deep) 50deg,
    transparent 90deg,
    transparent 360deg
  );
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.22s ease;
}
.cell.is-live:hover::before {
  opacity: 1;
  animation: live-trace 1.8s linear infinite;
}
.cell.is-live[data-live-style="filled"]::before {
  background: conic-gradient(
    from var(--live-angle),
    transparent 0deg,
    var(--cream) 30deg,
    rgba(255,255,255,0.95) 50deg,
    transparent 90deg,
    transparent 360deg
  );
  padding: 2px;
}
@keyframes live-trace { to { --live-angle: 360deg; } }

/* LIVE — variant A: pulse halo + badge (default) */
.cell.is-live[data-live-style="halo"] {
  border-color: var(--coral);
  border-top-color: var(--coral);
  border-width: 2px;
  border-top-width: 4px;
  box-shadow:
    var(--shadow-md),
    0 0 0 2px rgba(232,150,105,0.25),
    0 0 24px rgba(232,150,105,0.35);
  animation: pulse-halo 2s ease-in-out infinite;
  z-index: 5;
}
@keyframes pulse-halo {
  0%, 100% { box-shadow: var(--shadow-md), 0 0 0 2px rgba(232,150,105,0.18), 0 0 16px rgba(232,150,105,0.20); }
  50%      { box-shadow: var(--shadow-md), 0 0 0 4px rgba(232,150,105,0.32), 0 0 32px rgba(232,150,105,0.45); }
}

/* LIVE — variant B: solid accent border + animated underline */
.cell.is-live[data-live-style="underline"] {
  border-color: var(--coral-deep);
  border-top-color: var(--coral-deep);
  border-width: 1.5px;
  border-top-width: 4px;
  box-shadow: var(--shadow-md);
  z-index: 5;
}
.cell.is-live[data-live-style="underline"]::after {
  content: "";
  position: absolute;
  left: 8px; right: 8px; bottom: 4px;
  height: 2px;
  background: linear-gradient(90deg, var(--coral) 0%, var(--coral-deep) 50%, var(--coral) 100%);
  background-size: 200% 100%;
  animation: slide-underline 2.4s linear infinite;
  border-radius: 2px;
}
@keyframes slide-underline {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* LIVE — variant C: filled coral background */
.cell.is-live[data-live-style="filled"] {
  background: linear-gradient(135deg, var(--coral) 0%, var(--coral-deep) 100%);
  border-color: var(--coral-deep);
  border-top-color: var(--paper);
  color: var(--paper);
  box-shadow: var(--shadow-lg);
  z-index: 5;
}
.cell.is-live[data-live-style="filled"] .c-room,
.cell.is-live[data-live-style="filled"] .c-talks-count,
.cell.is-live[data-live-style="filled"] .c-type {
  color: rgba(253,251,247,0.85);
}
.cell.is-live[data-live-style="filled"] .c-room-code {
  background: rgba(253,251,247,0.2);
  color: var(--paper);
}

/* Live badge */
/* Top-right corner toolbar of a grid cell — holds the live-badge (when
   the session is live) and the favorite star side-by-side. Children
   below position themselves with the legacy `position: absolute` rules
   when used outside this wrapper (mobile cells, etc.), but inside .cell-topbar
   they flow as flex items. */
.cell-topbar {
  position: absolute;
  top: 4px;
  right: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
  z-index: 5;
  pointer-events: none; /* keep cell click-through; children re-enable */
}
.cell-topbar > * { pointer-events: auto; }
.cell-topbar .live-badge,
.cell-topbar .cell-star.star-btn,
.cell-topbar .online-badge {
  position: static;
  top: auto;
  right: auto;
}

/* "Online presenter" badge — teal counterpart to the coral .live-badge.
   Used on grid cells, in the mobile list, in the session modal banner. */
.online-badge {
  background: var(--teal);
  color: var(--paper);
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 2px 5px;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  white-space: nowrap;
}
.online-badge svg { flex-shrink: 0; }

/* Cells with an online presenter get a dashed top border on the
   type-color stripe — keeps the type signal but adds an extra cue. */
.cell.is-online-presenter {
  border-top-style: dashed;
}
.cell.is-online-presenter:hover {
  box-shadow: var(--shadow-md), 0 0 0 2px rgba(91, 169, 163, 0.18);
}

.live-badge {
  position: absolute;
  top: 4px; right: 4px;
  background: var(--coral-deep);
  color: var(--paper);
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 2px 5px;
  border-radius: 3px;
  display: inline-flex; align-items: center; gap: 3px;
  text-transform: uppercase;
  z-index: 2;
}
.live-badge .dot {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--paper);
  animation: pulse-mini 1.4s ease-in-out infinite;
}
@keyframes pulse-mini {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.4; transform: scale(0.7); }
}
.cell.is-live[data-live-style="filled"] .live-badge {
  background: var(--paper); color: var(--coral-deep);
}
.cell.is-live[data-live-style="filled"] .live-badge .dot { background: var(--coral-deep); }

/* Global breaks / spanning sessions (* room) */
.break-row {
  position: absolute;
  left: calc(var(--grid-time-w) + 8px);
  right: 0;
  background: var(--cream-deep);
  border: 1px dashed var(--taupe-soft);
  border-radius: var(--radius);
  padding: 8px 14px;
  display: flex; align-items: center; gap: 12px;
  font-size: 12px;
  color: var(--ink-soft);
  z-index: 0;
}
.break-row .b-time { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink); flex-shrink: 0; }
.break-row .b-title { font-weight: 500; }
.break-row .b-tag { margin-left: auto; font-size: 10px; color: var(--ink-mute); letter-spacing: 0.06em; text-transform: uppercase; flex-shrink: 0; }
.break-row.is-past { opacity: 0.5; }
.break-row.is-live {
  border-style: solid;
  border-color: var(--coral);
  background: linear-gradient(90deg, var(--coral-soft) 0%, var(--cream-deep) 60%);
  color: var(--ink);
}
.break-row.type-keynote, .break-row.type-social {
  background: linear-gradient(90deg, var(--teal-soft) 0%, var(--cream-deep) 70%);
  border-color: var(--teal);
  border-style: solid;
}
.break-row.type-social {
  background: linear-gradient(90deg, var(--coral-soft) 0%, var(--cream-deep) 70%);
  border-color: var(--coral);
}

/* Now line */
.now-line {
  position: absolute;
  left: 0; right: 0;
  height: 0;
  border-top: 2px solid var(--coral-deep);
  pointer-events: none;
  z-index: 100;
  display: flex; align-items: center;
}
.now-line::before {
  content: "";
  position: absolute;
  left: calc(var(--grid-time-w) - 6px);
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--coral-deep);
  box-shadow: 0 0 0 3px rgba(232,150,105,0.25);
  animation: pulse-mini 2s ease-in-out infinite;
}
.now-line .now-label {
  position: absolute;
  left: calc(var(--grid-time-w) + 12px);
  background: var(--coral-deep);
  color: var(--paper);
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border-radius: 4px;
  font-variant-numeric: tabular-nums;
  transform: translateY(-50%);
  white-space: nowrap;
}

/* ───── TIME-TRAVEL SCRUBBER ───── */
.scrubber {
  position: fixed;
  bottom: 16px; left: 50%; transform: translateX(-50%);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 18px;
  display: flex; align-items: center; gap: 14px;
  box-shadow: var(--shadow-lg);
  z-index: 40;
  max-width: calc(100vw - 32px);
}
.scrubber-label {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 600;
  white-space: nowrap;
}
.scrubber-now {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 15px; font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  min-width: 168px;
}
.scrubber input[type="range"] {
  width: 320px;
  accent-color: var(--teal);
}
.scrubber-real {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 500;
}
.scrubber-real.is-live {
  background: var(--coral-deep);
  color: var(--paper);
  border-color: var(--coral-deep);
}

/* ───── MOBILE — vertical list ───── */
.mobile-room-chips {
  display: none;
  gap: 6px; flex-wrap: wrap;
  padding: 12px 16px 0;
  max-width: 1600px; margin: 0 auto;
}
.chip {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--ink-soft);
}
.chip.active { background: var(--teal); color: var(--paper); border-color: var(--teal); }

.mobile-list { display: none; padding: 16px; }
.mobile-hour-group { margin-bottom: 24px; }
.mobile-hour-label {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 18px; font-weight: 600;
  color: var(--ink);
  border-bottom: 2px solid var(--teal);
  padding-bottom: 4px; margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}
.mobile-cell {
  display: block;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--type-color, var(--taupe));
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 8px;
  text-decoration: none;
  color: var(--ink);
  position: relative;
}
.mobile-cell .m-room {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 600;
}
.mobile-cell .m-title { font-size: 14px; font-weight: 600; margin: 4px 0 2px; }
.mobile-cell .m-meta { font-size: 12px; color: var(--ink-soft); }
.mobile-cell.is-past { opacity: 0.6; background: var(--cream-deep); }
.mobile-cell.is-live { border-color: var(--coral); box-shadow: 0 0 0 2px rgba(232,150,105,0.25); }
.mobile-cell.is-online-presenter { border-left-style: dashed; }

/* Inline online chip used in the mobile cell's room line, next to LIVE/Past */
.online-chip-inline {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--teal-deep);
  background: var(--teal-soft);
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 8px;
  text-transform: none;
}

/* Mobile-only search row. The aside inside .day-tabs is hidden on small
   widths (see .day-tabs-aside rule in the mobile breakpoint below); this
   container takes over and shows the search full-width under the day
   tabs. Hidden on desktop where the in-day-tabs search handles it. */
.search-row-mobile { display: none; }

/* Mobile breakpoint */
@media (max-width: 1080px) {
  .header-inner { flex-wrap: wrap; gap: 12px; padding: 12px 16px; }
  .rooms-bar { display: none; } /* BuildingTabs replace this on mobile */
  .day-tabs {
    padding: 16px 16px 0;
    overflow-x: auto;
    justify-content: flex-start; /* avoid center+overflow clipping the first/last tab */
    scroll-padding-inline: 16px;
  }
  .day-tabs-label { display: none; }
  .day-tabs-aside { display: none; }
  .search-row-mobile {
    display: block;
    max-width: 1600px;
    margin: 0 auto;
    padding: 12px 16px 0;
  }
  .search-row-mobile .session-search { width: 100%; max-width: none; }
  .search-row-mobile .ss-input-wrap { width: 100%; }
  .search-row-mobile .ss-input { width: 100%; min-width: 0; }
  .search-row-mobile .ss-shortcut { display: none; } /* no keyboard on mobile */
  .grid-wrap { display: none !important; }
  .grid-headers { display: none; }
  .mobile-list { display: flex; flex-direction: column; }
  .mobile-room-chips { display: none; } /* deprecated, BuildingTabs handle it */
  .scrubber { padding: 8px 14px; gap: 10px; }
  .scrubber input[type="range"] { width: 180px; }
  .scrubber-now { min-width: 0; font-size: 13px; }
  .scrubber-label { display: none; }

  /* Building tabs: compact horizontal scroll on mobile */
  .building-tabs {
    padding: 12px 16px 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 6px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    justify-content: flex-start; /* keep first tab fully visible */
    scroll-padding-inline: 16px;
  }
  .building-tab {
    flex: 0 0 auto;
    padding: 8px 12px;
    border-radius: 8px;
    min-width: 0;
  }
  .building-tab .bt-name { font-size: 13px; }
  .building-tab .bt-meta { font-size: 10px; gap: 4px; }
  .building-tab .bt-rooms,
  .building-tab .bt-sep,
  .building-tab .bt-sessions { display: none; } /* keep only the LIVE indicator on mobile */
  .building-tab .bt-live { margin-left: 0; }

  /* Day tabs: smaller chips */
  .day-tab { padding: 10px 14px; min-width: max-content; }
  .day-tab .day-name { font-size: 18px; }
  .day-tab .day-date { font-size: 9px; letter-spacing: 0.04em; }

  /* Building tab: stack name above live, allow wider */
  .building-tab { min-width: 110px; }
  .building-tab .bt-name { white-space: nowrap; }

  /* Scrubber: full width bottom on mobile */
  .scrubber {
    flex-wrap: wrap;
    padding: 10px 12px 12px;
  }
  .scrubber input[type="range"] {
    width: 100%;
    order: 10;
    flex: 1 0 100%;
  }
  .scrubber-now {
    flex: 1;
    font-size: 12px;
  }

  /* Mobile cell tweaks */
  .mobile-list { padding: 12px; }
  .mobile-cell { padding: 11px 12px; }
  .mobile-hour-label { font-size: 16px; }

  /* Admin modal */
  .admin-overlay { padding: 0; }
  .admin-modal { max-height: 100vh; height: 100vh; border-radius: 0; }
  .admin-tabs { overflow-x: auto; padding: 0 12px; }
  .admin-body { padding: 16px; }

  /* Tweak panel position above scrubber on mobile */
  .tweaks-panel { bottom: 90px !important; }
}

/* Tighter on very narrow phones */
@media (max-width: 480px) {
  .header-inner { padding: 10px 14px; gap: 8px; }
  .brand-mark { font-size: 18px; }
  .brand-sub { font-size: 9px; }
  .lang-toggle { padding: 6px 8px; font-size: 11px; }
}

/* ───── REDUCED MOTION ───── */
@media (prefers-reduced-motion: reduce) {
  .live-dot, .live-badge .dot, .now-line::before { animation: none !important; }
  .cell.is-live[data-live-style="halo"] { animation: none !important; box-shadow: var(--shadow-md), 0 0 0 3px rgba(232,150,105,0.35); }
  .cell.is-live[data-live-style="underline"]::after { animation: none !important; background: var(--coral-deep); }
  .cell.is-live:hover::before { animation: none !important; background: var(--coral); }
  .cell { transition: none !important; }
  .cluster-dropdown { animation: none !important; }
}

/* ───── ADMIN MOCK SCREENS ───── */
.admin-overlay {
  position: fixed; inset: 0;
  background: rgba(43,39,36,0.55);
  z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  overflow-y: auto;
}
.admin-modal {
  background: var(--paper);
  border-radius: var(--radius-lg);
  width: 100%; max-width: 1080px;
  max-height: 92vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.admin-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: var(--paper); z-index: 2;
}
.admin-head h2 { font-size: 20px; }
.admin-head .head-meta { font-size: 12px; color: var(--ink-mute); }
.admin-tabs { display: flex; gap: 4px; padding: 0 24px; border-bottom: 1px solid var(--line); }
.admin-tab {
  background: transparent; border: none;
  padding: 12px 16px;
  font-size: 13px; font-weight: 500;
  color: var(--ink-mute);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.admin-tab.active { color: var(--ink); border-bottom-color: var(--teal); }
.admin-body { padding: 24px; }
.close-btn {
  background: var(--cream); border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12px; color: var(--ink-soft);
}

.upload-zone {
  border: 2px dashed var(--taupe-soft);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  background: var(--cream);
  margin-bottom: 20px;
}
.upload-zone .uz-icon { font-size: 28px; margin-bottom: 8px; color: var(--teal); }
.upload-zone h3 { font-size: 17px; margin-bottom: 4px; }
.upload-zone p { font-size: 13px; color: var(--ink-soft); margin: 4px 0; }
.upload-zone button {
  margin-top: 12px;
  background: var(--teal); color: var(--paper);
  border: none; border-radius: 8px;
  padding: 9px 18px; font-weight: 600; font-size: 13px;
}
.preview-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.preview-table th, .preview-table td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--line); }
.preview-table th { background: var(--cream); font-weight: 600; font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-soft); }
.preview-table tr.has-error { background: rgba(232,150,105,0.10); }
.preview-table .err-msg { color: var(--coral-deep); font-size: 11px; }
.preview-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }
.btn-primary { background: var(--teal); color: var(--paper); border: none; border-radius: 8px; padding: 10px 18px; font-weight: 600; font-size: 13px; }
.btn-secondary { background: var(--paper); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 10px 18px; font-weight: 500; font-size: 13px; }
.btn-danger { background: var(--coral-deep); color: var(--paper); border: none; border-radius: 8px; padding: 10px 18px; font-weight: 600; font-size: 13px; }
.warn-banner {
  background: rgba(232,150,105,0.12);
  border-left: 3px solid var(--coral-deep);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 12px;
  color: var(--ink);
  margin-bottom: 16px;
}

.room-row {
  display: grid;
  grid-template-columns: 220px 1fr 100px;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.room-row .rr-name { font-weight: 600; }
.room-row input[type="url"] {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
}
.room-row .rr-status {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.rr-ok { color: var(--teal-deep); }
.rr-empty { color: var(--coral-deep); }

.config-section {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.config-section h3 { font-size: 15px; margin-bottom: 4px; }
.config-section .desc { font-size: 12px; color: var(--ink-mute); margin-bottom: 12px; }
.slug-display {
  display: flex; align-items: center; gap: 10px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: ui-monospace, 'SF Mono', monospace;
  font-size: 12px;
  word-break: break-all;
}

/* helpers */
.muted { color: var(--ink-mute); font-size: 12px; }
.desktop-only { display: block; }
:focus { outline: none; }


/* ───── SESSION MODAL ───── */
.session-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(43,39,36,0.55);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  animation: sm-overlay-in 0.15s ease-out;
}
@keyframes sm-overlay-in { from { opacity: 0; } to { opacity: 1; } }
.session-modal {
  position: relative;
  background: var(--paper);
  border-radius: var(--radius-lg);
  width: 100%; max-width: 640px;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  border-top: 4px solid var(--type-color, var(--taupe));
  animation: sm-in 0.18s ease-out;
}
@keyframes sm-in { from { opacity: 0; transform: translateY(8px) scale(0.98); } to { opacity: 1; transform: none; } }
.sm-close {
  /* Positioning is handled by the parent .sm-topbar flex container so the
     close button and the star sit cleanly side-by-side. */
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--paper);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--ink-soft); cursor: pointer;
  transition: all 0.15s ease;
  padding: 0;
  flex-shrink: 0;
}
.sm-close:hover { background: var(--cream); color: var(--ink); }
.sm-head {
  padding: 28px 56px 16px 28px;
}
.sm-type {
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 6px;
}
.sm-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 22px; font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
  margin: 0;
  text-wrap: pretty;
}
.sm-fullname {
  margin-top: 6px;
  font-size: 12px; color: var(--ink-mute);
}
.sm-meta {
  padding: 14px 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--cream);
  display: flex; flex-direction: column; gap: 8px;
}
.sm-meta-row {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--ink-soft);
}
.sm-meta-row svg { color: var(--ink-mute); flex-shrink: 0; }
.sm-building { color: var(--ink-mute); font-weight: 500; }
.sm-talks {
  padding: 18px 28px 8px;
}
.sm-section-label {
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 10px;
}
.sm-talks-list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 14px;
}
.sm-talk {
  display: block;
}
.sm-talk-row {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  align-items: start;
}
.sm-talk-time {
  font-variant-numeric: tabular-nums;
  font-weight: 600; font-size: 13px;
  color: var(--ink-mute);
  padding-top: 1px;
}
.sm-talk-title {
  font-size: 14px; font-weight: 500;
  line-height: 1.35; color: var(--ink);
  text-wrap: pretty;
}
.sm-talk-authors {
  margin-top: 4px;
  font-size: 12px; color: var(--ink-soft);
  line-height: 1.4;
}
.sm-talk-presenter {
  font-weight: 600; color: var(--ink);
}
.sm-actions {
  padding: 18px 28px 24px;
  display: flex; align-items: center; gap: 12px;
}
.sm-meet-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px;
  background: var(--coral);
  color: var(--paper);
  font-size: 14px; font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: all 0.15s ease;
}
.sm-meet-btn:hover {
  background: var(--coral-deep);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.sm-no-meet { font-size: 13px; }

@media (max-width: 600px) {
  .sm-head { padding: 24px 50px 14px 20px; }
  .sm-title { font-size: 19px; }
  .sm-meta, .sm-talks, .sm-actions { padding-left: 20px; padding-right: 20px; }
  .sm-talk-row { grid-template-columns: 44px 1fr; gap: 10px; }
  .session-modal-overlay { padding: 12px; }
}

/* ───────────────────────────────────────────────────────────────────────
   FAVORITES — star buttons, "Mi agenda" header button, agenda modal
   ─────────────────────────────────────────────────────────────────────── */

/* Generic star button — outline by default, filled when active */
.star-btn {
  appearance: none;
  background: transparent;
  border: 0;
  padding: 4px;
  cursor: pointer;
  color: var(--ink-mute);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: color 0.15s ease, transform 0.15s ease, background 0.15s ease;
}
.star-btn:hover {
  color: var(--coral-deep);
  background: rgba(232, 150, 105, 0.12);
}
.star-btn.is-active {
  color: var(--coral);
}
.star-btn.is-active:hover {
  color: var(--coral-deep);
}
.star-btn:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}
.star-btn:active {
  transform: scale(0.92);
}

/* Star inside a grid cell — top-right corner */
.cell-star.star-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  z-index: 5;
  padding: 3px;
  background: rgba(253, 251, 247, 0.7);
  backdrop-filter: blur(2px);
}
.cell.is-live .cell-star.star-btn { background: rgba(253, 251, 247, 0.85); }
.cell .cell-star.star-btn:hover { background: rgba(253, 251, 247, 0.95); }
.cell .cell-star.star-btn.is-active { color: var(--coral); }

/* Star inside a mobile-list cell — right-aligned */
.mobile-cell { position: relative; }
.mobile-cell-star.star-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 6px;
}

/* Header "Mi agenda" button */
.agenda-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink);
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  flex-shrink: 0;
}
.agenda-btn:hover {
  background: var(--cream);
  border-color: var(--coral-soft);
}
.agenda-btn.has-items {
  color: var(--coral-deep);
  border-color: var(--coral-soft);
  background: linear-gradient(135deg, var(--paper) 0%, var(--coral-soft) 200%);
}
.agenda-btn-count {
  background: var(--coral);
  color: var(--paper);
  font-size: 11px;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 999px;
  min-width: 18px;
  text-align: center;
  line-height: 1.4;
}

/* Online presenter callout inside SessionModal */
.sm-online-banner {
  margin: 0 28px 4px;
  padding: 12px 14px;
  background: linear-gradient(135deg, var(--teal-soft) 0%, rgba(199, 224, 221, 0.35) 100%);
  border-left: 3px solid var(--teal-deep);
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}
.sm-online-banner svg {
  flex-shrink: 0;
  color: var(--teal-deep);
}
.sm-online-banner strong {
  display: block;
  font-weight: 700;
  font-size: 13px;
  color: var(--teal-deep);
  margin-bottom: 1px;
}
.sm-online-banner span {
  color: var(--ink-soft);
  font-size: 12.5px;
  line-height: 1.4;
}
@media (max-width: 600px) {
  .sm-online-banner { margin: 0 20px 4px; padding: 10px 12px; gap: 10px; }
}

/* Agenda item — globe icon + label for online sessions */
.ai-online {
  display: inline-block;
  margin-right: 6px;
  color: var(--teal-deep);
  font-size: 0.95em;
  vertical-align: -1px;
}
.ai-online-text {
  color: var(--teal-deep);
  font-weight: 600;
}

/* SessionModal — topbar with star + close */
.session-modal .sm-topbar {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  gap: 8px;
  align-items: center;
  z-index: 5;
}
.session-modal .sm-star.star-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--ink-mute);
  background: var(--paper);
}
.session-modal .sm-star.star-btn:hover {
  background: var(--cream);
  color: var(--coral-deep);
}
.session-modal .sm-star.star-btn.is-active {
  color: var(--coral);
}

/* Expandable talks inside SessionModal */
.sm-section-hint {
  margin-left: 8px;
  font-weight: 500;
  font-size: 11.5px;
  color: var(--ink-mute);
  letter-spacing: 0;
  text-transform: none;
}
.sm-talk.has-detail .sm-talk-row {
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.12s ease;
  padding: 8px 8px;
  margin: 0 -8px;
}
.sm-talk:not(.has-detail) .sm-talk-row {
  padding: 4px 0;
}
.sm-talk.has-detail .sm-talk-row:hover {
  background: rgba(91, 169, 163, 0.06);
}
.sm-talk.has-detail .sm-talk-row:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
}
.sm-talk-chev {
  display: inline-block;
  margin-left: 6px;
  color: var(--teal);
  font-size: 0.85em;
  transition: transform 0.12s ease;
  vertical-align: middle;
}
/* Inline pill next to a talk title when that specific talk has an online
   presenter. Different from the session-level banner — this one tells you
   exactly which talk(s) in the session are remote. */
.sm-talk-online {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-left: 8px;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--paper);
  background: var(--teal);
  padding: 2px 6px;
  border-radius: 3px;
  vertical-align: 2px;
  white-space: nowrap;
}
.sm-talk.is-open .sm-talk-chev {
  transform: rotate(0deg);
}
.sm-talk-detail {
  margin-top: 6px;
  padding: 12px 14px 14px;
  background: var(--cream);
  border-radius: 8px;
  border-left: 3px solid var(--type-color, var(--teal));
  animation: detail-in 0.18s ease-out;
}
@keyframes detail-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
.sm-detail-label {
  display: block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 4px;
}
.sm-talk-abstract p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-soft);
  white-space: pre-wrap;
}
.sm-talk-keywords { margin-top: 10px; }
.sm-kw-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.sm-kw-chip {
  font-size: 11.5px;
  font-weight: 500;
  padding: 3px 9px;
  background: var(--paper);
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
}

/* ───────────────────────────────────────────────────────────────────────
   AGENDA MODAL — "Mi agenda" personal list
   ─────────────────────────────────────────────────────────────────────── */
.agenda-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 17, 14, 0.55);
  backdrop-filter: blur(2px);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  overflow-y: auto;
  animation: ag-overlay-in 0.15s ease-out;
}
@keyframes ag-overlay-in { from { opacity: 0; } to { opacity: 1; } }
.agenda-modal {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  max-width: 640px;
  width: 100%;
  max-height: calc(100vh - 80px);
  display: flex;
  flex-direction: column;
  animation: ag-modal-in 0.18s cubic-bezier(0.2, 0.7, 0.4, 1);
}
@keyframes ag-modal-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.agenda-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--line);
}
.agenda-head-titles { flex: 1; min-width: 0; }
.agenda-head h2 {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 4px;
}
.agenda-head-sub { font-size: 13px; }
.agenda-close {
  background: transparent;
  border: 0;
  color: var(--ink-mute);
  width: 34px;
  height: 34px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.agenda-close:hover { background: var(--cream); color: var(--ink); }

.agenda-empty {
  padding: 56px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.agenda-empty svg { color: var(--ink-mute); opacity: 0.4; margin-bottom: 4px; }
.agenda-empty h3 {
  font-family: 'Fraunces', serif;
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  max-width: 380px;
  line-height: 1.45;
  margin: 0;
}
.agenda-empty p { font-size: 13px; margin: 0; max-width: 360px; }

.agenda-body {
  overflow-y: auto;
  padding: 8px 0 20px;
  flex: 1;
}
.agenda-day {
  padding: 12px 24px 0;
}
.agenda-day-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--line);
}
.agenda-day-head h3 {
  font-family: 'Fraunces', serif;
  font-size: 15px;
  font-weight: 600;
  margin: 0;
  color: var(--ink);
}
.agenda-day-head span { font-size: 12px; }

.agenda-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.agenda-item {
  position: relative;
  display: flex;
  gap: 8px;
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-left: 4px solid var(--type-color, var(--teal));
  border-radius: 10px;
  padding: 10px 10px 10px 14px;
  transition: all 0.12s ease;
}
.agenda-item:hover {
  border-color: var(--type-color, var(--teal));
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.agenda-item.is-past { opacity: 0.55; }
.agenda-item.is-live {
  background: linear-gradient(135deg, var(--paper) 0%, rgba(232, 150, 105, 0.06) 100%);
  border-color: var(--coral);
}
.agenda-item.is-next {
  border-color: var(--coral);
  box-shadow: 0 0 0 3px rgba(232, 150, 105, 0.18);
}
.agenda-next-pill {
  position: absolute;
  top: -8px;
  right: 12px;
  background: var(--coral);
  color: var(--paper);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 2px 10px;
  border-radius: 999px;
  text-transform: uppercase;
}
.agenda-item-main {
  flex: 1;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  display: flex;
  gap: 14px;
  min-width: 0;
  font-family: inherit;
  color: inherit;
}
.agenda-item-main:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
  border-radius: 4px;
}
.agenda-item-time {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 78px;
}
.agenda-item-time .ai-time {
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}
.agenda-item-time .ai-live {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--coral);
}
.agenda-item-time .ai-past {
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
}
.agenda-item-body { flex: 1; min-width: 0; }
.agenda-item-title {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 2px;
  color: var(--ink);
  overflow-wrap: anywhere;
}
.agenda-item-meta {
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.4;
}
.agenda-item-meta .ai-type { font-weight: 600; }
.agenda-item-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}
.agenda-meet-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--ink);
  color: var(--paper);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.1s ease;
}
.agenda-meet-btn:hover { background: #1c1916; }
.agenda-item-star.star-btn { padding: 4px; }

@media (max-width: 600px) {
  .agenda-btn-label { display: none; }
  .agenda-btn { padding: 7px 9px; }
  .agenda-overlay { padding: 16px 8px; }
  .agenda-modal { max-height: calc(100vh - 32px); }
  .agenda-head { padding: 16px 16px 12px; }
  .agenda-day { padding: 8px 14px 0; }
  .agenda-item { padding: 10px; }
  .agenda-item-time { min-width: 64px; }
}