/* ===== Fonts ===== */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Inter:wght@400;500;600;700;800&display=swap');

/* ===== Custom Properties ===== */
:root {
  --c-bg: #fafbfe;
  --c-bg-alt: #ffffff;
  --c-surface: #ffffff;
  --c-surface-hover: #f4f6fb;
  --c-text: #0c1222;
  --c-text-secondary: #556178;
  --c-text-tertiary: #8d99ae;
  --c-border: rgba(12,18,34,.06);
  --c-border-strong: rgba(12,18,34,.12);
  --c-strategy: #1565C0;
  --c-strategy-soft: rgba(21,101,192,.07);
  --c-creativity: #E65100;
  --c-creativity-soft: rgba(230,81,0,.07);
  --c-pedagogy: #00897B;
  --c-pedagogy-soft: rgba(0,137,123,.07);
  --c-safeguarding: #7B1FA2;
  --c-safeguarding-soft: rgba(123,31,162,.07);
  --c-accent: #1565C0;
  --c-accent-soft: rgba(21,101,192,.06);
  --c-now-pulse: #ef4444;
  --c-hero-from: #070b14;
  --c-hero-via: #0d1b2a;
  --c-hero-to: #1b2d4a;
  --c-glass: rgba(250,251,254,.82);
  --c-glass-border: rgba(255,255,255,.4);
  --c-fav: #e74c3c;
  --shadow-xs: 0 1px 2px rgba(0,0,0,.03);
  --shadow-sm: 0 2px 4px rgba(0,0,0,.04);
  --shadow: 0 2px 8px rgba(0,0,0,.05), 0 1px 2px rgba(0,0,0,.03);
  --shadow-md: 0 4px 16px rgba(0,0,0,.06), 0 1px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.08), 0 2px 8px rgba(0,0,0,.04);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.1);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --ease: cubic-bezier(.4, 0, .2, 1);
  --ease-out: cubic-bezier(0, 0, .2, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
  --duration: .35s;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --c-bg: #080c16;
    --c-bg-alt: #0c1220;
    --c-surface: #111827;
    --c-surface-hover: #1a2337;
    --c-text: #e4e8f1;
    --c-text-secondary: #8896b0;
    --c-text-tertiary: #556178;
    --c-border: rgba(255,255,255,.06);
    --c-border-strong: rgba(255,255,255,.1);
    --c-strategy-soft: rgba(21,101,192,.15);
    --c-creativity-soft: rgba(230,81,0,.15);
    --c-pedagogy-soft: rgba(0,137,123,.15);
    --c-safeguarding-soft: rgba(123,31,162,.15);
    --c-accent: #64B5F6;
    --c-accent-soft: rgba(100,181,246,.08);
    --c-hero-from: #030508;
    --c-hero-via: #080e1a;
    --c-hero-to: #0f1a2e;
    --c-glass: rgba(8,12,22,.85);
    --c-glass-border: rgba(255,255,255,.06);
    --shadow-xs: 0 1px 2px rgba(0,0,0,.15);
    --shadow-sm: 0 2px 4px rgba(0,0,0,.2);
    --shadow: 0 2px 8px rgba(0,0,0,.2);
    --shadow-md: 0 4px 16px rgba(0,0,0,.3);
    --shadow-lg: 0 12px 40px rgba(0,0,0,.35);
    --shadow-xl: 0 20px 60px rgba(0,0,0,.4);
  }
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--c-accent); text-decoration: none; }

/* ===== Scroll Reveal ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-delay="1"] { transition-delay: .08s; }
[data-reveal-delay="2"] { transition-delay: .16s; }
[data-reveal-delay="3"] { transition-delay: .24s; }
[data-reveal-delay="4"] { transition-delay: .32s; }
[data-reveal-delay="5"] { transition-delay: .40s; }
[data-reveal-delay="6"] { transition-delay: .48s; }
[data-reveal-delay="7"] { transition-delay: .56s; }

/* ===== Hero ===== */
.hero {
  position: relative;
  background: linear-gradient(160deg, var(--c-hero-from), var(--c-hero-via) 40%, var(--c-hero-to));
  color: #fff;
  text-align: center;
  padding: 3.5rem 1.5rem 2.5rem;
  overflow: hidden;
  min-height: 240px;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .4;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero .logo {
  height: 56px;
  margin: 0 auto .9rem;
}

.hero .date {
  font-size: .88rem;
  font-weight: 500;
  opacity: .7;
  letter-spacing: .015em;
}

.hero .tagline {
  display: inline-block;
  margin-top: .75rem;
  padding: .35rem 1rem;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 100px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.hero-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: .15;
  pointer-events: none;
}

.hero-glow-1 {
  top: -150px;
  left: -100px;
  background: #1565C0;
}

.hero-glow-2 {
  bottom: -200px;
  right: -100px;
  background: #7B1FA2;
}

/* ===== Tab Bar ===== */
.tab-bar {
  position: sticky;
  top: 0;
  z-index: 200;
  display: flex;
  background: var(--c-glass);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--c-border);
  padding: 0;
}

.tab-bar button {
  flex: 1;
  padding: .8rem .15rem;
  font: inherit;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .02em;
  border: none;
  background: none;
  color: var(--c-text-tertiary);
  cursor: pointer;
  position: relative;
  transition: color var(--duration) var(--ease);
  min-height: 48px;
}

.tab-bar button::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 24%;
  right: 24%;
  height: 2px;
  border-radius: 2px 2px 0 0;
  background: var(--c-accent);
  transform: scaleX(0);
  transition: transform var(--duration) var(--ease-spring);
}

.tab-bar button.active { color: var(--c-accent); font-weight: 700; }
.tab-bar button.active::after { transform: scaleX(1); }

/* ===== Views ===== */
.view {
  display: none;
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1rem 3rem;
  opacity: 0;
  transform: translateY(6px);
}

.view.active {
  display: block;
  animation: viewEnter .45s var(--ease-out) forwards;
}

@keyframes viewEnter {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Search ===== */
.search-bar {
  position: relative;
  margin: .75rem 0 .5rem;
}

.search-bar input {
  width: 100%;
  padding: .7rem 1rem .7rem 2.6rem;
  font: inherit;
  font-size: .85rem;
  background: var(--c-surface);
  border: 1.5px solid var(--c-border);
  border-radius: 100px;
  color: var(--c-text);
  outline: none;
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.search-bar input::placeholder { color: var(--c-text-tertiary); }

.search-bar input:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px var(--c-accent-soft);
}

.search-bar svg {
  position: absolute;
  left: .9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--c-text-tertiary);
  pointer-events: none;
}

/* ===== Track Filters ===== */
.track-filters {
  display: flex;
  gap: .35rem;
  padding: .4rem 0 .75rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.track-filters::-webkit-scrollbar { display: none; }

.track-filter {
  font: inherit;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .02em;
  padding: .3rem .65rem;
  border-radius: 100px;
  border: 1.5px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--duration) var(--ease);
  min-height: 30px;
}

.track-filter.active { border-color: var(--c-accent); color: var(--c-accent); background: var(--c-accent-soft); }
.track-filter[data-track="strategy"].active { border-color: var(--c-strategy); color: var(--c-strategy); background: var(--c-strategy-soft); }
.track-filter[data-track="creativity"].active { border-color: var(--c-creativity); color: var(--c-creativity); background: var(--c-creativity-soft); }
.track-filter[data-track="pedagogy"].active { border-color: var(--c-pedagogy); color: var(--c-pedagogy); background: var(--c-pedagogy-soft); }
.track-filter[data-track="safeguarding"].active { border-color: var(--c-safeguarding); color: var(--c-safeguarding); background: var(--c-safeguarding-soft); }

/* ===== Time Slot Headers ===== */
.time-slot-header {
  position: sticky;
  top: 48px;
  z-index: 50;
  display: flex;
  align-items: baseline;
  gap: .5rem;
  padding: .55rem 1rem;
  margin: 1.5rem 0 .6rem;
  background: var(--c-glass);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--c-text);
}

.time-slot-header .slot-label {
  font-family: var(--font-body);
  color: var(--c-text-tertiary);
  font-weight: 500;
  font-size: .78rem;
}

.time-slot-header.now-active {
  border-color: var(--c-now-pulse);
  box-shadow: 0 0 0 1px var(--c-now-pulse), 0 0 24px rgba(239,68,68,.1);
}

.now-badge {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  background: var(--c-now-pulse);
  color: #fff;
  font-family: var(--font-body);
  font-size: .6rem;
  font-weight: 700;
  padding: .15rem .5rem;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-left: auto;
}

.now-dot {
  width: 5px; height: 5px;
  background: #fff;
  border-radius: 50%;
  animation: blink 1.4s ease-in-out infinite;
}

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.2} }

.banner {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .85rem;
  color: var(--c-text-tertiary);
  margin-bottom: .5rem;
  font-style: italic;
}

/* ===== Keynote Card ===== */
.keynote-card {
  position: relative;
  background: linear-gradient(135deg, var(--c-hero-from), var(--c-hero-to));
  color: #fff;
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  margin-bottom: .75rem;
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.keynote-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.keynote-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(100,181,246,.12) 0%, transparent 60%);
  pointer-events: none;
}

.keynote-label {
  display: inline-block;
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .2rem .6rem;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 6px;
  margin-bottom: .65rem;
}

.keynote-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1.25;
  margin-bottom: .5rem;
}

.keynote-speaker {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .82rem;
  opacity: .85;
}

.keynote-speaker img {
  width: 32px; height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,.25);
}

.keynote-speaker a { color: rgba(255,255,255,.9); }
.keynote-speaker a:hover { color: #fff; }

.keynote-room {
  font-size: .75rem;
  opacity: .6;
  margin-top: .25rem;
  letter-spacing: .03em;
}

.keynote-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height .5s var(--ease), padding .5s var(--ease);
  font-size: .85rem;
  line-height: 1.7;
  opacity: .8;
}

.keynote-card.expanded .keynote-detail {
  max-height: 300px;
  padding-top: .75rem;
}

/* ===== Session Cards ===== */
.session-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  margin-bottom: .45rem;
  overflow: hidden;
  transition: all var(--duration) var(--ease);
  border-left: 3px solid var(--c-border);
}

.session-card:hover {
  border-color: var(--c-border-strong);
  box-shadow: var(--shadow-md);
  border-left-color: inherit;
}

.session-card[data-track="strategy"] { border-left-color: var(--c-strategy); }
.session-card[data-track="creativity"] { border-left-color: var(--c-creativity); }
.session-card[data-track="pedagogy"] { border-left-color: var(--c-pedagogy); }
.session-card[data-track="safeguarding"] { border-left-color: var(--c-safeguarding); }

.session-card .card-header {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .7rem .85rem;
  cursor: pointer;
  min-height: 52px;
  transition: background var(--duration) var(--ease);
}

.session-card .card-header:hover { background: var(--c-surface-hover); }

.track-badge {
  font-size: .58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: .2rem .5rem;
  border-radius: 6px;
  white-space: nowrap;
  flex-shrink: 0;
}

.track-badge.strategy { background: var(--c-strategy-soft); color: var(--c-strategy); }
.track-badge.creativity { background: var(--c-creativity-soft); color: var(--c-creativity); }
.track-badge.pedagogy { background: var(--c-pedagogy-soft); color: var(--c-pedagogy); }
.track-badge.safeguarding { background: var(--c-safeguarding-soft); color: var(--c-safeguarding); }
.track-badge.keynote { background: var(--c-accent-soft); color: var(--c-accent); }

.session-info { flex: 1; min-width: 0; }

.session-title {
  font-weight: 650;
  font-size: .84rem;
  line-height: 1.35;
}

.session-meta {
  display: flex;
  align-items: center;
  gap: .35rem;
  margin-top: .2rem;
  font-size: .75rem;
  color: var(--c-text-secondary);
}

.session-meta img {
  width: 20px; height: 20px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--c-border);
}

.session-meta a { color: var(--c-text-secondary); transition: color .2s; }
.session-meta a:hover { color: var(--c-accent); }

.session-room {
  font-size: .65rem;
  font-weight: 600;
  color: var(--c-text-tertiary);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  padding: .15rem .45rem;
  border-radius: 6px;
  white-space: nowrap;
  flex-shrink: 0;
}

.session-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height .45s var(--ease);
}

.session-body-inner {
  padding: .6rem .85rem .85rem;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--c-text-secondary);
  border-top: 1px solid var(--c-border);
}

.session-card.expanded .session-body {
  max-height: 400px;
}

.fav-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: .25rem;
  flex-shrink: 0;
  color: var(--c-text-tertiary);
  transition: all .2s var(--ease);
  min-width: 36px;
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.fav-btn:hover { background: var(--c-accent-soft); }
.fav-btn.faved { color: var(--c-fav); transform: scale(1.1); }

.fav-btn svg {
  width: 18px; height: 18px;
  transition: transform .3s var(--ease-spring);
}

.fav-btn.faved svg { transform: scale(1.15); }

.session-card.search-hidden,
.session-card.track-hidden,
.keynote-card.search-hidden {
  opacity: 0;
  max-height: 0;
  margin: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
  transition: opacity .3s, max-height .3s, margin .3s;
}

/* ===== Speakers Grid ===== */
.speakers-intro {
  text-align: center;
  padding: .5rem 0 .25rem;
  color: var(--c-text-secondary);
  font-size: .85rem;
}

.speakers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .75rem;
  padding-top: .75rem;
}

.speaker-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  text-align: center;
  padding: 1.25rem .75rem 1rem;
  transition: all var(--duration) var(--ease);
}

.speaker-card:hover {
  border-color: var(--c-border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.speaker-card:active { transform: translateY(0); }

.speaker-photo {
  width: 84px; height: 84px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto .55rem;
  border: 3px solid var(--c-bg);
  box-shadow: var(--shadow-sm);
  transition: transform .4s var(--ease-spring);
}

.speaker-card:hover .speaker-photo { transform: scale(1.06); }

.speaker-name { display: block; font-weight: 700; font-size: .82rem; line-height: 1.3; }
.speaker-affiliation { display: block; font-size: .7rem; color: var(--c-text-tertiary); margin-top: .15rem; }

.speaker-card .arrow-hint {
  display: block;
  margin-top: .45rem;
  font-size: .68rem;
  font-weight: 600;
  color: var(--c-accent);
  opacity: 0;
  transform: translateY(4px);
  transition: all .3s var(--ease);
}

.speaker-card:hover .arrow-hint {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Speaker Page ===== */
.speaker-page {
  display: none;
  max-width: 640px;
  margin: 0 auto;
  padding: 1rem;
}

.speaker-page.active {
  display: block;
  animation: viewEnter .45s var(--ease-out) forwards;
}

.sp-back {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .82rem;
  font-weight: 600;
  color: var(--c-accent);
  padding: .5rem 0;
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-body);
  min-height: 44px;
  transition: opacity .2s;
}

.sp-back:hover { opacity: .7; }

.sp-hero { text-align: center; padding: 1.25rem 0 1rem; }

.sp-hero img {
  width: 120px; height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto .65rem;
  border: 4px solid var(--c-surface);
  box-shadow: var(--shadow-lg);
}

.sp-hero h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.2;
}

.sp-hero .sp-affiliation {
  font-size: .85rem;
  color: var(--c-text-secondary);
  margin-top: .2rem;
}

.sp-bio {
  font-size: .88rem;
  line-height: 1.8;
  color: var(--c-text-secondary);
  padding: .5rem 0 1.5rem;
}

.sp-sessions-title {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--c-text-tertiary);
  margin-bottom: .6rem;
}

.sp-session-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .65rem .8rem;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  margin-bottom: .35rem;
  transition: background .2s;
}

.sp-session-item:hover { background: var(--c-surface-hover); }

.sp-session-time {
  font-size: .78rem;
  font-weight: 700;
  min-width: 42px;
}

.sp-session-info { flex: 1; }
.sp-session-info .sp-session-name { font-size: .82rem; font-weight: 600; }
.sp-session-info .sp-session-room { font-size: .7rem; color: var(--c-text-tertiary); margin-top: .05rem; }

/* ===== Map ===== */
.map-intro {
  text-align: center;
  padding: .5rem 0 1rem;
  color: var(--c-text-secondary);
  font-size: .85rem;
}

.map-container {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: .75rem;
  box-shadow: var(--shadow);
  overflow: hidden;
  touch-action: none;
  position: relative;
}

.map-zoom-hint {
  text-align: center;
  font-size: .75rem;
  color: var(--c-text-tertiary);
  padding: .25rem 0 .5rem;
}
@media (min-width: 600px) { .map-zoom-hint { display: none; } }

.venue-map { width: 100%; height: auto; display: block; transform-origin: 0 0; }
.map-floor { fill: var(--c-bg); }

.room-rect {
  stroke-width: 1.5;
  transition: all .3s var(--ease);
  cursor: pointer;
}

.room-rect.room-active { fill: var(--c-accent-soft); stroke: var(--c-accent); }
.room-rect.room-keynote { fill: rgba(21,101,192,.08); stroke: var(--c-accent); stroke-width: 2; stroke-dasharray: 6 3; }
.room-rect.room-inactive { fill: var(--c-surface); stroke: var(--c-border-strong); cursor: default; }
.room-rect.room-utility { fill: var(--c-surface-hover); stroke: var(--c-border-strong); cursor: default; }

.map-room:hover .room-active,
.map-room:hover .room-keynote {
  filter: brightness(1.08);
  stroke-width: 2.5;
}

.map-room.room-selected .room-rect {
  stroke: var(--c-accent);
  stroke-width: 3;
  fill: rgba(21,101,192,.16);
}

.room-label, .room-label-lg, .room-label-sm, .room-sublabel, .corridor-label, .entrance-label {
  font-family: var(--font-body);
  pointer-events: none;
  text-anchor: middle;
}

.room-label { fill: var(--c-text); font-size: 15px; font-weight: 700; }
.room-label-lg { fill: var(--c-text); font-size: 20px; font-weight: 800; }
.room-label-sm { fill: var(--c-text-secondary); font-size: 13px; font-weight: 600; }
.room-sublabel { fill: var(--c-text-tertiary); font-size: 12px; font-weight: 500; }
.corridor-label { fill: var(--c-text-tertiary); font-size: 13px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; }
.entrance-label { fill: var(--c-text-tertiary); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.room-dot { fill: var(--c-accent); opacity: .5; pointer-events: none; }
.map-arrow { stroke: var(--c-text-tertiary); stroke-width: 2; }
.map-arrow-head { fill: var(--c-text-tertiary); }

/* Room Panel */
.room-panel {
  position: fixed;
  inset: 0;
  z-index: 500;
  pointer-events: none;
  opacity: 0;
  transition: opacity .25s;
}

.room-panel.open { pointer-events: auto; opacity: 1; }
.room-panel-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.4); }

.room-panel-sheet {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  max-height: 45vh;
  overflow-y: auto;
  background: var(--c-surface);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: .5rem 1.25rem 2rem;
  transform: translateY(100%);
  transition: transform .4s cubic-bezier(.32,.72,0,1);
  box-shadow: 0 -8px 40px rgba(0,0,0,.15);
}

.room-panel.open .room-panel-sheet { transform: translateY(0); }
.room-panel-handle { width: 36px; height: 4px; background: var(--c-border-strong); border-radius: 2px; margin: .5rem auto 1rem; }

.room-panel-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: .75rem;
}

.rp-session {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  padding: .65rem 0;
  border-bottom: 1px solid var(--c-border);
}

.rp-session:last-child { border-bottom: none; }
.rp-time { font-size: .78rem; font-weight: 700; min-width: 44px; padding-top: .05rem; }
.rp-info { flex: 1; }
.rp-title { font-size: .84rem; font-weight: 600; line-height: 1.35; }
.rp-speaker { font-size: .76rem; color: var(--c-text-secondary); margin-top: .12rem; }
.rp-track-badge { margin-top: .35rem; }
.rp-empty { padding: 1.5rem 0; text-align: center; color: var(--c-text-tertiary); font-size: .88rem; }

@media (min-width: 600px) {
  .room-panel-sheet {
    max-width: 480px;
    left: 50%;
    transform: translate(-50%, 100%);
  }
  .room-panel.open .room-panel-sheet { transform: translate(-50%, 0); }
}

/* ===== Info ===== */
.info-section h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--c-text);
  margin: 2rem 0 .75rem;
}

.info-section h2:first-child { margin-top: .5rem; }

.media-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1rem;
}

.media-card img {
  width: 76px; height: 76px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.media-card .media-info { font-size: .84rem; line-height: 1.65; }
.media-card .media-info strong { display: block; font-size: .95rem; margin-bottom: .15rem; }

/* ===== Innovation Partners ===== */
.innovation-partners {
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
  margin-bottom: .5rem;
}

.innovation-card {
  background: linear-gradient(135deg, var(--c-hero-from), var(--c-hero-to));
  color: #fff;
  border-radius: var(--radius);
  padding: 1.25rem 1.15rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.innovation-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 90% 10%, rgba(100,181,246,.1) 0%, transparent 60%);
  pointer-events: none;
}

.innovation-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.innovation-badge {
  display: inline-block;
  font-size: .58rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .2rem .6rem;
  background: rgba(100,181,246,.15);
  border: 1px solid rgba(100,181,246,.25);
  border-radius: 6px;
  margin-bottom: .6rem;
  color: #64B5F6;
}

.innovation-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: .45rem;
}

.innovation-card p {
  font-size: .82rem;
  line-height: 1.7;
  opacity: .85;
  margin: 0;
}

@media (min-width: 600px) {
  .innovation-partners { grid-template-columns: repeat(2, 1fr); }
}

.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .55rem;
}

.sponsor-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: .8rem .9rem;
  transition: all var(--duration) var(--ease);
}

.sponsor-card:hover { border-color: var(--c-border-strong); box-shadow: var(--shadow); transform: translateY(-1px); }
.sponsor-card.expandable { cursor: pointer; }
.sponsor-card strong { display: block; font-size: .82rem; margin-bottom: .15rem; }
.sponsor-card p { font-size: .75rem; color: var(--c-text-secondary); margin: 0; line-height: 1.5; }

.sponsor-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s var(--ease), margin .4s var(--ease);
  font-size: .78rem;
  line-height: 1.65;
  color: var(--c-text-secondary);
  margin-top: 0;
}

.sponsor-card.expanded .sponsor-detail {
  max-height: 200px;
  margin-top: .5rem;
}

.sponsor-card.expanded {
  grid-column: 1 / -1;
  background: var(--c-surface-hover);
  border-color: var(--c-accent);
}

.room-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .35rem;
}

.room-list li {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  padding: .5rem .7rem;
  border-radius: var(--radius-sm);
  font-size: .82rem;
  font-weight: 500;
}

/* ===== Fav Filter ===== */
.fav-filter {
  display: flex;
  align-items: center;
  gap: .35rem;
  font: inherit;
  font-size: .68rem;
  font-weight: 600;
  padding: .3rem .65rem;
  border-radius: 100px;
  border: 1.5px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--duration) var(--ease);
  min-height: 30px;
}

.fav-filter.active {
  border-color: var(--c-fav);
  color: var(--c-fav);
  background: rgba(231,76,60,.06);
}

.fav-filter svg { width: 12px; height: 12px; }

.session-card.fav-hidden { display: none; }

/* ===== My Schedule ===== */
.myschedule-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--c-text-tertiary);
}

.myschedule-empty p { margin-top: .75rem; font-size: .92rem; }
.myschedule-hint { font-size: .8rem; opacity: .7; }

.ms-time-header {
  font-family: var(--font-display);
  font-size: .95rem;
  color: var(--c-text);
  padding: .85rem .5rem .3rem;
  margin-top: .75rem;
  border-bottom: 1px solid var(--c-border);
}

.ms-time-header:first-child { margin-top: 0; }

.ms-card {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .7rem .75rem;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  margin-top: .35rem;
  transition: all var(--duration) var(--ease);
}

.ms-card:hover { border-color: var(--c-border-strong); box-shadow: var(--shadow); }

.ms-card-body { flex: 1; min-width: 0; }
.ms-title { font-weight: 650; font-size: .84rem; line-height: 1.35; }
.ms-speaker { font-size: .75rem; color: var(--c-text-secondary); margin-top: .1rem; }
.ms-room { font-size: .65rem; color: var(--c-text-tertiary); margin-top: .15rem; }

.ms-remove {
  background: none;
  border: none;
  cursor: pointer;
  padding: .35rem;
  color: var(--c-text-tertiary);
  border-radius: 50%;
  min-width: 32px;
  min-height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all .2s;
}

.ms-remove:hover { color: var(--c-fav); background: rgba(231,76,60,.06); }

/* ===== LinkedIn link ===== */
.sp-linkedin {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  margin-top: .5rem;
  padding: .35rem .75rem;
  font-size: .78rem;
  font-weight: 600;
  color: #0a66c2;
  background: rgba(10,102,194,.06);
  border: 1px solid rgba(10,102,194,.15);
  border-radius: 100px;
  transition: all .2s;
}

.sp-linkedin:hover { background: rgba(10,102,194,.12); }
.sp-linkedin svg { width: 16px; height: 16px; fill: #0a66c2; }

/* ===== Room Panel Close Button ===== */
.room-panel-close {
  position: absolute;
  top: .75rem;
  right: .75rem;
  background: var(--c-surface-hover);
  border: 1px solid var(--c-border);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--c-text-secondary);
  transition: all .2s;
  z-index: 1;
}

.room-panel-close:hover { background: var(--c-border-strong); color: var(--c-text); }

/* ===== Breakpoints ===== */
@media (min-width: 600px) {
  .speakers-grid { grid-template-columns: repeat(3, 1fr); }
  .sponsor-grid { grid-template-columns: repeat(3, 1fr); }
  .room-list { grid-template-columns: repeat(4, 1fr); }
  .view { padding: 1.25rem 2rem 3rem; }
  .hero { padding: 4rem 2rem 3rem; }
  .hero .logo { height: 64px; }
  .keynote-title { font-size: 1.5rem; }
}

@media (min-width: 900px) {
  .speakers-grid { grid-template-columns: repeat(4, 1fr); }
  .hero .logo { height: 72px; }
  .sp-hero img { width: 140px; height: 140px; }
  .sp-hero h2 { font-size: 1.75rem; }
  .keynote-title { font-size: 1.65rem; }
}