:root {
  color-scheme: dark;
  --ink-0: #050708;
  --ink-1: #090c0e;
  --ink-2: #101417;
  --ink-3: #171d20;
  --paper: #edf2ef;
  --muted: #96a09c;
  --quiet: #606a67;
  --line: rgba(221, 236, 230, 0.16);
  --line-strong: rgba(221, 236, 230, 0.31);
  --acid: #c6ff45;
  --cyan: #65f5e2;
  --ember: #ff8d3a;
  --rose: #ff5b8f;
  --violet: #9484ff;
  --danger: #ff735f;
  --success: #7cffb2;
  --display: "Bahnschrift SemiCondensed", "DIN Condensed", "Arial Narrow", sans-serif;
  --body: "IBM Plex Sans KR", Pretendard, "Noto Sans KR", "Malgun Gothic", sans-serif;
  --editorial: "Iowan Old Style", "Noto Serif KR", "Source Han Serif K", Batang, serif;
  --gutter: clamp(1rem, 3.7vw, 4.5rem);
  --max: 1680px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--ink-0);
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(90deg, transparent 0 49.9%, rgba(255, 255, 255, 0.018) 50%, transparent 50.1%) 0 0 / 10rem 10rem,
    linear-gradient(rgba(255, 255, 255, 0.016) 0 49.9%, transparent 50%) 0 0 / 10rem 10rem,
    var(--ink-0);
  color: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  z-index: 20;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.88' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.36'/%3E%3C/svg%3E");
  content: "";
  opacity: 0.035;
  pointer-events: none;
}

a {
  color: inherit;
}

button,
input {
  color: inherit;
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 4px;
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  transform: translateY(-160%);
  background: var(--acid);
  color: var(--ink-0);
  font-weight: 800;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.masthead {
  position: relative;
  z-index: 10;
  display: flex;
  min-height: 5rem;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gutter);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 7, 8, 0.84);
  backdrop-filter: blur(18px);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--paper);
  font-family: var(--display);
  font-size: clamp(0.92rem, 1.3vw, 1.18rem);
  font-stretch: condensed;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-decoration: none;
}

.wordmark b {
  color: var(--acid);
  font-weight: 700;
}

.wordmark-mark {
  display: grid;
  width: 2.05rem;
  height: 2.05rem;
  place-items: center;
  border: 1px solid var(--paper);
  border-radius: 50%;
  font-family: var(--editorial);
  font-size: 1.15rem;
}

.masthead-meta {
  display: flex;
  gap: clamp(0.7rem, 2.2vw, 2.2rem);
  color: var(--muted);
  font-family: var(--display);
  font-size: 0.68rem;
  letter-spacing: 0.19em;
}

.hero {
  position: relative;
  min-height: min(860px, calc(100vh - 5rem));
  overflow: hidden;
  padding: clamp(2rem, 4vw, 4.5rem) var(--gutter) 2rem;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 78% 36%, rgba(101, 245, 226, 0.08), transparent 18%),
    radial-gradient(circle at 86% 42%, rgba(255, 141, 58, 0.07), transparent 25%),
    linear-gradient(118deg, rgba(255, 255, 255, 0.02), transparent 48%);
}

.hero::before {
  position: absolute;
  top: -8%;
  right: -8%;
  width: min(64vw, 900px);
  aspect-ratio: 1;
  border: 1px solid var(--line);
  clip-path: polygon(50% 0, 100% 20%, 92% 82%, 44% 100%, 0 74%, 10% 16%);
  content: "";
  transform: rotate(-13deg);
}

.hero::after {
  position: absolute;
  right: 0;
  bottom: 8.5rem;
  width: 44%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--ember), transparent);
  content: "";
  opacity: 0.7;
  transform: rotate(-14deg);
  transform-origin: right;
}

.hero-kicker {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-family: var(--display);
  font-size: 0.67rem;
  letter-spacing: 0.2em;
}

.signal {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--acid);
}

.signal i {
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 0 rgba(198, 255, 69, 0.6);
  animation: signal-pulse 2.4s infinite;
}

@keyframes signal-pulse {
  60% { box-shadow: 0 0 0 10px rgba(198, 255, 69, 0); }
  100% { box-shadow: 0 0 0 0 rgba(198, 255, 69, 0); }
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(74rem, 76vw);
  margin-top: clamp(3rem, 8vh, 7.5rem);
}

.edition,
.eyebrow {
  margin: 0 0 1.15rem;
  color: var(--cyan);
  font-family: var(--display);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero h1 {
  display: flex;
  margin: 0;
  flex-direction: column;
  font-family: var(--display);
  font-size: clamp(4.8rem, 12.5vw, 12rem);
  font-stretch: condensed;
  font-weight: 900;
  letter-spacing: -0.065em;
  line-height: 0.73;
  text-transform: uppercase;
}

.hero h1 span:nth-child(2) {
  margin-left: clamp(1rem, 10vw, 12rem);
}

.hero h1 span:nth-child(3) {
  margin-left: clamp(0.5rem, 4vw, 5rem);
}

.hero h1 .hollow {
  color: transparent;
  -webkit-text-stroke: 1px rgba(237, 242, 239, 0.7);
  text-shadow:
    3px 0 0 rgba(101, 245, 226, 0.18),
    -3px 0 0 rgba(255, 141, 58, 0.12);
}

.hero-summary {
  width: min(41rem, 100%);
  margin: clamp(2rem, 5vw, 4rem) 0 0 clamp(0rem, 16vw, 15rem);
  color: #bdc6c2;
  font-size: clamp(0.94rem, 1.25vw, 1.08rem);
  word-break: keep-all;
}

.hero-actions {
  display: flex;
  margin: 1.5rem 0 0 clamp(0rem, 16vw, 15rem);
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  min-height: 2.85rem;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 0;
  font-family: var(--display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1;
  text-decoration: none;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--acid);
  color: var(--ink-0);
  clip-path: polygon(0 0, calc(100% - 0.75rem) 0, 100% 0.75rem, 100% 100%, 0 100%);
}

.button-primary:hover {
  background: #dcff8a;
}

.button-quiet {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.025);
  color: var(--paper);
}

.button-quiet:hover {
  border-color: var(--paper);
  background: var(--paper);
  color: var(--ink-0);
}

.hero-facts {
  position: absolute;
  z-index: 2;
  right: var(--gutter);
  bottom: 2rem;
  display: grid;
  width: min(50rem, calc(100% - var(--gutter) * 2));
  margin: 0;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-strong);
}

.hero-facts div {
  padding: 1rem 0.8rem 0;
  border-right: 1px solid var(--line);
}

.hero-facts div:last-child {
  border-right: 0;
}

.hero-facts dt {
  color: var(--quiet);
  font-family: var(--display);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
}

.hero-facts dd {
  margin: 0.3rem 0 0;
  color: var(--paper);
  font-family: var(--display);
  font-size: clamp(0.78rem, 1.2vw, 1rem);
  letter-spacing: 0.05em;
}

.hero-orbit {
  position: absolute;
  z-index: 1;
  top: 49%;
  right: clamp(-14rem, -8vw, -3rem);
  width: min(45vw, 650px);
  aspect-ratio: 1;
  transform: translateY(-50%);
}

.orbit,
.orbit-core {
  position: absolute;
  inset: 8%;
  border: 1px solid rgba(237, 242, 239, 0.2);
  border-radius: 50%;
}

.orbit-one {
  border-top-color: var(--cyan);
  border-right-color: var(--ember);
  transform: rotate(17deg) scaleY(0.42);
  box-shadow: 0 -1px 12px rgba(101, 245, 226, 0.28), 0 1px 12px rgba(255, 141, 58, 0.2);
}

.orbit-two {
  inset: 14%;
  border-top-color: var(--violet);
  border-left-color: var(--acid);
  transform: rotate(-52deg) scaleY(0.58);
}

.orbit-core {
  inset: 27%;
  border: 0;
  background:
    radial-gradient(circle at 42% 35%, rgba(255, 255, 255, 0.32), transparent 7%),
    radial-gradient(circle at 65% 69%, rgba(255, 141, 58, 0.4), transparent 25%),
    radial-gradient(circle at 36% 38%, rgba(101, 245, 226, 0.46), transparent 32%),
    radial-gradient(circle, #22292b, #090b0c 68%);
  box-shadow: inset 9px -11px 27px rgba(0, 0, 0, 0.7), 0 0 70px rgba(101, 245, 226, 0.11);
}

.access-brief {
  display: grid;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 8rem) var(--gutter);
  grid-template-columns: minmax(4rem, 0.4fr) minmax(18rem, 1.45fr) minmax(19rem, 1fr);
  gap: clamp(1.5rem, 4vw, 5rem);
  border-bottom: 1px solid var(--line);
}

.brief-index {
  color: transparent;
  font-family: var(--display);
  font-size: clamp(4rem, 9vw, 9rem);
  font-weight: 900;
  line-height: 0.8;
  -webkit-text-stroke: 1px var(--line-strong);
}

.brief-copy h2 {
  max-width: 34rem;
  margin: 0;
  font-family: var(--editorial);
  font-size: clamp(1.7rem, 3vw, 3.2rem);
  font-weight: 500;
  line-height: 1.18;
  word-break: keep-all;
}

.brief-copy > p:last-child {
  max-width: 43rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
  word-break: keep-all;
}

.brief-status {
  display: grid;
  align-self: end;
  border-top: 1px solid var(--line-strong);
}

.brief-status div {
  display: grid;
  min-height: 4.5rem;
  align-items: center;
  grid-template-columns: 5rem 1fr;
  border-bottom: 1px solid var(--line);
}

.brief-status strong {
  color: var(--acid);
  font-family: var(--display);
  font-size: 1.75rem;
  font-variant-numeric: tabular-nums;
}

.brief-status span {
  color: var(--muted);
  font-size: 0.86rem;
}

.schedule-shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 8rem) var(--gutter) clamp(6rem, 10vw, 10rem);
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
}

.section-heading h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3rem, 7.5vw, 7.5rem);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 0.82;
}

.section-note {
  margin: 0;
  color: var(--quiet);
  font-family: var(--display);
  font-size: 0.69rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.controls {
  display: grid;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  grid-template-columns: minmax(18rem, 1fr) minmax(26rem, 1.35fr);
  border-block: 1px solid var(--line-strong);
}

.search-field {
  display: grid;
  min-height: 4.25rem;
  align-items: center;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  padding: 0 1rem;
  border-right: 1px solid var(--line-strong);
}

.search-field > span {
  color: var(--cyan);
  font-family: var(--display);
  font-size: 0.67rem;
  letter-spacing: 0.16em;
}

.search-field input {
  width: 100%;
  min-width: 0;
  padding: 0.75rem 0;
  border: 0;
  background: transparent;
  color: var(--paper);
  outline: 0;
}

.search-field input::placeholder {
  color: var(--quiet);
}

.search-field:focus-within {
  background: rgba(101, 245, 226, 0.045);
  box-shadow: inset 0 -2px var(--cyan);
}

.search-field kbd {
  padding: 0.15rem 0.42rem;
  border: 1px solid var(--line);
  color: var(--quiet);
  font-family: var(--display);
  font-size: 0.65rem;
}

.track-filters {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.filter-button {
  min-height: 4.25rem;
  padding: 0.6rem 0.65rem;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--display);
  font-size: 0.68rem;
  letter-spacing: 0.045em;
  line-height: 1.25;
}

.filter-button:last-child {
  border-right: 0;
}

.filter-button:hover {
  background: rgba(255, 255, 255, 0.035);
  color: var(--paper);
}

.filter-button[aria-pressed="true"] {
  background: var(--paper);
  color: var(--ink-0);
}

.result-line {
  display: flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: space-between;
  color: var(--quiet);
  font-family: var(--display);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
}

.result-line b {
  color: var(--acid);
  font-size: 0.8rem;
}

.text-button {
  min-height: 2.5rem;
  padding: 0.4rem 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.75rem;
  text-decoration: underline;
  text-underline-offset: 0.25rem;
}

.text-button:hover {
  color: var(--paper);
}

.loading-panel,
.error-panel,
.empty-state {
  margin: 2rem 0;
  padding: 2rem;
  border: 1px solid var(--line);
  background: var(--ink-1);
  color: var(--muted);
}

.loading-panel {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.loading-rail {
  position: relative;
  display: inline-block;
  width: 3rem;
  height: 2px;
  overflow: hidden;
  background: var(--line);
}

.loading-rail::after {
  position: absolute;
  inset: 0;
  background: var(--acid);
  content: "";
  animation: rail 1.1s var(--ease) infinite;
}

@keyframes rail {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}

.error-panel {
  border-left: 3px solid var(--danger);
}

.error-panel strong {
  color: var(--paper);
}

.error-panel a {
  color: var(--acid);
}

.timeline {
  border-top: 1px solid var(--line-strong);
}

.time-row {
  display: grid;
  grid-template-columns: clamp(5rem, 8vw, 8rem) 1fr;
  border-bottom: 1px solid var(--line-strong);
}

.time-stamp {
  padding: 1.65rem 1rem 1rem 0;
  border-right: 1px solid var(--line-strong);
  color: var(--paper);
  font-family: var(--display);
  font-size: clamp(1.2rem, 2.1vw, 2rem);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.time-stamp small {
  display: block;
  margin-top: 0.25rem;
  color: var(--quiet);
  font-size: 0.56rem;
  font-weight: 400;
  letter-spacing: 0.14em;
}

.time-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.session-card {
  --track-color: var(--paper);
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 29rem;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.02), transparent 48%);
  transition: background-color 220ms ease, transform 220ms var(--ease);
  animation: card-enter 560ms var(--ease) both;
  animation-delay: calc(var(--card-index, 0) * 28ms);
}

@keyframes card-enter {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.session-card[data-track="common"] { --track-color: var(--acid); }
.session-card[data-track="game-art"] { --track-color: var(--rose); }
.session-card[data-track="game-programming"] { --track-color: var(--cyan); }
.session-card[data-track="media-ent"] { --track-color: var(--ember); }

.session-card:last-child {
  border-right: 0;
}

.session-card:hover,
.session-card:focus-within {
  z-index: 1;
  background: rgba(255, 255, 255, 0.038);
}

.card-visual {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--ink-2);
}

.card-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.06);
  transition: filter 350ms ease, transform 700ms var(--ease);
}

.session-card:hover .card-visual img,
.session-card:focus-within .card-visual img {
  filter: saturate(1.08) contrast(1.1);
  transform: scale(1.025);
}

.card-visual::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 45%, color-mix(in srgb, var(--track-color) 20%, transparent), transparent 67%),
    linear-gradient(0deg, rgba(5, 7, 8, 0.48), transparent 50%);
  content: "";
  pointer-events: none;
}

.card-code {
  position: absolute;
  z-index: 2;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.26rem 0.42rem;
  background: rgba(5, 7, 8, 0.78);
  color: var(--track-color);
  font-family: var(--display);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
}

.card-content {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  padding: 1.15rem 1.05rem 1rem;
}

.track-label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--track-color);
  font-family: var(--display);
  font-size: 0.6rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.track-label::before {
  width: 1.4rem;
  height: 1px;
  background: currentColor;
  content: "";
}

.session-card h3 {
  margin: 0.95rem 0 0;
  font-family: var(--editorial);
  font-size: clamp(1.04rem, 1.35vw, 1.34rem);
  font-weight: 600;
  line-height: 1.35;
  word-break: keep-all;
}

.speaker-line {
  margin: 1rem 0 0;
  color: #b6c0bc;
  font-size: 0.78rem;
  line-height: 1.55;
  word-break: keep-all;
}

.speaker-line strong {
  color: var(--paper);
  font-weight: 600;
}

.card-hook {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.75rem;
}

.topic-list {
  display: flex;
  margin: auto 0 0;
  padding: 1.15rem 0 0;
  flex-wrap: wrap;
  gap: 0.3rem;
  list-style: none;
}

.topic-list li {
  padding: 0.18rem 0.42rem;
  border: 1px solid var(--line);
  color: var(--quiet);
  font-size: 0.62rem;
}

.card-footer {
  display: flex;
  min-height: 3.25rem;
  align-items: stretch;
  border-top: 1px solid var(--line);
}

.status-label {
  display: inline-flex;
  min-width: 0;
  flex: 1;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 0.9rem;
  color: var(--muted);
  font-family: var(--display);
  font-size: 0.61rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.status-label::before {
  width: 0.42rem;
  height: 0.42rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.session-card[data-status="processing"] .status-label {
  color: var(--cyan);
}

.session-card[data-status="unavailable"] .status-label,
.session-card[data-status="missing"] .status-label,
.session-card[data-status="failed"] .status-label {
  color: var(--danger);
}

.session-card[data-status="ready"] .status-label,
.session-card[data-status="partial"] .status-label {
  color: var(--success);
}

.play-button {
  display: inline-grid;
  width: 3.35rem;
  flex: 0 0 auto;
  place-items: center;
  border: 0;
  border-left: 1px solid var(--line);
  background: transparent;
  color: var(--paper);
  cursor: pointer;
  font-size: 1rem;
}

.play-button:hover:not(:disabled) {
  background: var(--track-color);
  color: var(--ink-0);
}

.play-button:disabled {
  color: var(--quiet);
  cursor: not-allowed;
}

.coverage-note {
  margin: 0;
  padding: 0.75rem 0.9rem;
  border-top: 1px solid var(--line);
  color: #d7a492;
  font-size: 0.7rem;
}

.site-footer {
  display: flex;
  min-height: 12rem;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding: 3rem var(--gutter);
  border-top: 1px solid var(--line-strong);
  background:
    linear-gradient(100deg, rgba(101, 245, 226, 0.045), transparent 32%),
    var(--ink-1);
}

.footer-mark {
  color: transparent;
  font-family: var(--display);
  font-size: clamp(2.8rem, 6vw, 6.5rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 0.7;
  -webkit-text-stroke: 1px var(--line-strong);
}

.site-footer p,
.footer-meta {
  color: var(--quiet);
  font-family: var(--display);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1.2rem;
}

.footer-meta a:hover {
  color: var(--acid);
}

.video-dialog {
  width: min(68rem, calc(100vw - 2rem));
  max-height: calc(100dvh - 2rem);
  padding: 0;
  overflow: auto;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--ink-1);
  color: var(--paper);
  box-shadow: 0 2rem 7rem rgba(0, 0, 0, 0.75);
}

.video-dialog::backdrop {
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(10px);
}

.dialog-frame {
  min-width: 0;
}

.dialog-head {
  display: flex;
  min-height: 5.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line);
}

.dialog-track {
  margin: 0 0 0.25rem;
  color: var(--cyan);
  font-family: var(--display);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
}

.dialog-head h2 {
  margin: 0;
  font-family: var(--editorial);
  font-size: clamp(1.05rem, 2vw, 1.65rem);
  line-height: 1.25;
}

.icon-button {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: transparent;
  color: var(--paper);
  cursor: pointer;
  font-size: 1.55rem;
  line-height: 1;
}

.icon-button:hover {
  border-color: var(--paper);
  background: var(--paper);
  color: var(--ink-0);
}

.dialog-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(circle at 50% 45%, rgba(101, 245, 226, 0.08), transparent 26%),
    var(--ink-0);
}

.dialog-media iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.mobile-handoff {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: center;
  justify-items: center;
  padding: 2rem;
  text-align: center;
}

.mobile-handoff p {
  max-width: 28rem;
  color: var(--muted);
}

.dialog-body {
  padding: 1.2rem 1.25rem 1.5rem;
}

.dialog-body > p:first-child {
  margin-top: 0;
  color: #c4cdca;
}

.privacy-note {
  padding-left: 0.85rem;
  border-left: 1px solid var(--cyan);
  color: var(--quiet);
  font-size: 0.74rem;
}

.share-form {
  display: grid;
  margin-top: 1.2rem;
  grid-template-columns: auto minmax(8rem, 1fr) auto;
  align-items: center;
  gap: 0.7rem;
}

.share-form label {
  color: var(--muted);
  font-size: 0.75rem;
}

.share-form input {
  min-height: 2.85rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--ink-0);
}

.live-status {
  min-height: 1.4em;
  margin: 0.55rem 0;
  color: var(--acid);
  font-size: 0.75rem;
}

.dialog-links {
  display: flex;
  justify-content: flex-end;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.dialog-links a {
  color: var(--muted);
  font-family: var(--display);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
}

.dialog-links a:hover {
  color: var(--acid);
}

.toast {
  position: fixed;
  z-index: 110;
  right: 1rem;
  bottom: 1rem;
  max-width: min(25rem, calc(100vw - 2rem));
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--acid);
  background: var(--paper);
  color: var(--ink-0);
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.45);
  font-size: 0.8rem;
}

.clipboard-fallback {
  position: fixed;
  top: -100vh;
  left: -100vw;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.noscript {
  position: fixed;
  z-index: 120;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  padding: 1rem;
  border: 1px solid var(--danger);
  background: var(--ink-0);
  color: var(--paper);
}

@media (max-width: 1180px) {
  .hero-copy { width: 88vw; }
  .hero-orbit { right: -13rem; width: 53vw; }
  .time-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .session-card:nth-child(2n) { border-right: 0; }
  .session-card:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .controls { grid-template-columns: 1fr; }
  .search-field { border-right: 0; border-bottom: 1px solid var(--line-strong); }
}

@media (max-width: 820px) {
  .masthead { min-height: 4.25rem; }
  .masthead-meta span:nth-child(2) { display: none; }
  .hero { min-height: 760px; }
  .hero-kicker { gap: 1rem; }
  .hero-copy { width: 100%; margin-top: 5rem; }
  .hero h1 { font-size: clamp(4.25rem, 18vw, 8rem); line-height: 0.78; }
  .hero h1 span:nth-child(2) { margin-left: 6vw; }
  .hero h1 span:nth-child(3) { margin-left: 0; }
  .hero-summary,
  .hero-actions { margin-left: 0; }
  .hero-orbit { top: 69%; right: -20%; width: 75vw; opacity: 0.75; }
  .hero-facts { right: var(--gutter); left: var(--gutter); width: auto; grid-template-columns: repeat(2, 1fr); }
  .hero-facts div:nth-child(2) { border-right: 0; }
  .hero-facts div:nth-child(n + 3) { margin-top: 0.7rem; }
  .access-brief { grid-template-columns: 1fr; }
  .brief-index { display: none; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .track-filters { grid-template-columns: repeat(2, 1fr); }
  .filter-button { border-bottom: 1px solid var(--line); }
  .filter-button:first-child { grid-column: 1 / -1; }
  .filter-button:nth-child(odd) { border-right: 0; }
  .site-footer { align-items: flex-start; flex-direction: column; }
  .footer-meta { justify-content: flex-start; }
}

@media (max-width: 620px) {
  :root { --gutter: 1rem; }
  html { scroll-padding-top: 4.5rem; }
  body { font-size: 15px; }
  .wordmark { letter-spacing: 0.07em; }
  .wordmark-mark { width: 1.75rem; height: 1.75rem; font-size: 0.95rem; }
  .masthead-meta { gap: 0.65rem; font-size: 0.56rem; }
  .masthead-meta span:nth-child(3) { display: none; }
  .hero { min-height: 720px; padding-top: 1.5rem; }
  .hero-kicker > span:first-child { display: none; }
  .hero-kicker { justify-content: flex-end; }
  .hero-copy { margin-top: 4.5rem; }
  .hero h1 { font-size: clamp(4.1rem, 20.8vw, 6rem); }
  .hero-summary { max-width: 90%; font-size: 0.86rem; }
  .hero-actions { align-items: stretch; flex-direction: column; max-width: 16rem; }
  .hero-facts { bottom: 1.25rem; }
  .hero-facts div { padding: 0.7rem 0.55rem 0; }
  .hero-facts dd { font-size: 0.72rem; }
  .access-brief,
  .schedule-shell { padding-block: 4rem; }
  .brief-copy h2 { font-size: 1.75rem; }
  .controls { margin-top: 2rem; }
  .search-field { grid-template-columns: auto 1fr; }
  .search-field kbd { display: none; }
  .filter-button { min-height: 3.4rem; }
  .result-line { min-height: 3.7rem; }
  .time-row { grid-template-columns: 1fr; }
  .time-stamp { display: flex; align-items: baseline; gap: 0.5rem; padding: 1.2rem 0.2rem 0.75rem; border-right: 0; border-bottom: 1px solid var(--line); }
  .time-stamp small { display: inline; }
  .time-cards { grid-template-columns: 1fr; }
  .session-card,
  .session-card:nth-child(2n) { min-height: 0; border-right: 0; border-top: 1px solid var(--line); }
  .session-card:first-child { border-top: 0; }
  .card-content { min-height: 17rem; }
  .session-card h3 { font-size: 1.22rem; }
  .share-form { grid-template-columns: 1fr; }
  .share-form .button { width: 100%; }
  .video-dialog { width: 100vw; max-width: none; max-height: 100dvh; margin: auto 0 0; border-right: 0; border-bottom: 0; border-left: 0; }
  .dialog-head { min-height: 4.75rem; }
  .dialog-media { aspect-ratio: 4 / 3; }
  .site-footer { min-height: 15rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .hero h1 .hollow,
  .brief-index,
  .footer-mark {
    color: CanvasText;
    -webkit-text-stroke: 0;
  }

  .button-primary {
    border: 1px solid ButtonText;
  }
}

/* Participation system */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.participation-panel {
  position: relative;
  display: grid;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 7vw, 7rem) var(--gutter);
  overflow: hidden;
  grid-template-columns: minmax(4rem, 0.4fr) minmax(20rem, 1.45fr) minmax(18rem, 0.9fr);
  gap: clamp(1.5rem, 4vw, 5rem);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(112deg, rgba(101, 245, 226, 0.045), transparent 38%),
    linear-gradient(292deg, rgba(255, 141, 58, 0.035), transparent 42%);
}

.participation-panel::after {
  position: absolute;
  right: -8%;
  bottom: 2.5rem;
  width: 48%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--acid), var(--ember), transparent);
  content: "";
  opacity: 0.58;
  transform: rotate(-10deg);
  pointer-events: none;
}

.participation-panel.is-disabled {
  background: linear-gradient(112deg, rgba(255, 255, 255, 0.018), transparent 42%);
}

.participation-panel.is-disabled::after {
  background: linear-gradient(90deg, transparent, var(--quiet), transparent);
  opacity: 0.35;
}

.participation-index {
  color: transparent;
  font-family: var(--display);
  font-size: clamp(4rem, 9vw, 9rem);
  font-weight: 900;
  line-height: 0.8;
  -webkit-text-stroke: 1px var(--line-strong);
}

.participation-copy h2 {
  max-width: 38rem;
  margin: 0;
  font-family: var(--editorial);
  font-size: clamp(1.75rem, 3vw, 3.25rem);
  font-weight: 500;
  line-height: 1.18;
  word-break: keep-all;
}

.participation-copy > p:last-of-type {
  max-width: 43rem;
  margin: 1.4rem 0 0;
  color: var(--muted);
  word-break: keep-all;
}

.participation-privacy {
  display: flex;
  margin: 1.6rem 0 0;
  padding: 0;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
}

.participation-privacy li {
  padding: 0.32rem 0.55rem;
  border: 1px solid var(--line);
  color: var(--quiet);
  font-size: 0.68rem;
}

.auth-console {
  position: relative;
  z-index: 1;
  align-self: end;
  min-height: 10.5rem;
  padding: 1.15rem;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 7, 8, 0.66);
}

.auth-console-label {
  color: var(--cyan);
  font-family: var(--display);
  font-size: 0.62rem;
  letter-spacing: 0.17em;
}

.engagement-auth-status {
  min-height: 3.2rem;
  margin: 0.7rem 0 1rem;
  color: #c5cfcb;
  font-size: 0.82rem;
  word-break: keep-all;
}

.participation-panel.is-disabled .auth-console-label,
.participation-panel.is-disabled .engagement-auth-status {
  color: var(--quiet);
}

.google-signin-button {
  min-height: 44px;
}

.engagement-signout,
.comment-login-required button,
.comment-form button,
.comment-action-button,
.comment-delete-confirm button {
  min-height: 2.7rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--paper);
  cursor: pointer;
  font-family: var(--display);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.engagement-signout:hover,
.comment-login-required button:hover,
.comment-form button:hover:not(:disabled),
.comment-action-button:hover,
.comment-delete-confirm button:hover {
  border-color: var(--acid);
  color: var(--acid);
}

.card-engagement {
  min-height: 3.55rem;
  padding: 0.55rem 0.7rem;
  border-top: 1px solid var(--line);
  background: rgba(5, 7, 8, 0.42);
}

.engagement-controls {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem;
}

.reaction-cluster {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  gap: 0.28rem;
}

.reaction-button,
.engagement-comment-button {
  position: relative;
  display: inline-flex;
  min-width: 2.65rem;
  min-height: 2.45rem;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.35rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.018);
  color: var(--muted);
  cursor: pointer;
  font-size: 0.78rem;
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.reaction-button:hover,
.engagement-comment-button:hover,
.reaction-button:focus-visible,
.engagement-comment-button:focus-visible {
  z-index: 1;
  border-color: var(--track-color, var(--cyan));
  color: var(--paper);
  transform: translateY(-1px);
}

.reaction-button[aria-pressed="true"] {
  border-color: var(--track-color, var(--acid));
  background: color-mix(in srgb, var(--track-color, var(--acid)) 18%, transparent);
  color: var(--paper);
}

.reaction-button.is-busy,
.engagement-comment-button.is-busy {
  cursor: wait;
  opacity: 0.58;
}

.reaction-emoji {
  font-size: 0.9rem;
  line-height: 1;
}

.reaction-count,
.comment-count {
  min-width: 0.7rem;
  font-family: var(--display);
  font-size: 0.63rem;
  font-variant-numeric: tabular-nums;
}

.engagement-comment-button {
  min-width: 3.2rem;
  flex: 0 0 auto;
  font-family: var(--display);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
}

.engagement-message {
  min-height: 1.1rem;
  margin: 0.38rem 0 0;
  color: var(--quiet);
  font-size: 0.62rem;
}

.engagement-message.is-error {
  color: var(--danger);
}

.admin-view-badge {
  display: inline-flex;
  min-height: 1.65rem;
  align-items: center;
  padding: 0.2rem 0.42rem;
  border: 1px solid rgba(198, 255, 69, 0.45);
  color: var(--acid);
  font-family: var(--display);
  font-size: 0.58rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

.dialog-engagement {
  display: grid;
  margin: 1.25rem 0;
  padding: 1rem 0;
  grid-template-columns: minmax(8rem, 0.42fr) 1fr;
  gap: 1rem;
  border-block: 1px solid var(--line);
}

.dialog-engagement h3 {
  margin: 0;
  font-family: var(--editorial);
  font-size: 1.15rem;
}

.dialog-engagement .engagement-controls {
  justify-content: flex-end;
}

.dialog-engagement .engagement-message {
  text-align: right;
}

.comment-drawer {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(34rem, 94vw);
  height: 100dvh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-left: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--ink-1);
  color: var(--paper);
  box-shadow: -2rem 0 7rem rgba(0, 0, 0, 0.72);
}

.comment-drawer[open] {
  animation: drawer-enter 260ms var(--ease) both;
}

@keyframes drawer-enter {
  from { opacity: 0; transform: translateX(3rem); }
  to { opacity: 1; transform: translateX(0); }
}

.comment-drawer::backdrop {
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(6px);
}

.comment-drawer-shell {
  display: grid;
  height: 100%;
  min-height: 0;
  grid-template-rows: auto auto minmax(0, 1fr) auto auto;
}

.comment-drawer-head {
  display: flex;
  min-height: 6.1rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  border-bottom: 1px solid var(--line);
}

.comment-drawer-head h2 {
  margin: 0;
  font-family: var(--editorial);
  font-size: 1.55rem;
}

.comment-drawer-status {
  min-height: 2.4rem;
  margin: 0;
  padding: 0.65rem 1.25rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.75rem;
}

.comment-drawer-status.is-error {
  color: var(--danger);
}

.comment-list {
  min-height: 0;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  list-style: none;
}

.comment-item {
  position: relative;
  padding: 1rem 1.25rem 1.15rem;
  border-bottom: 1px solid var(--line);
}

.comment-item.is-mine {
  background: linear-gradient(100deg, rgba(101, 245, 226, 0.045), transparent 62%);
}

.comment-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--quiet);
  font-family: var(--display);
  font-size: 0.63rem;
  letter-spacing: 0.06em;
}

.comment-author {
  color: var(--cyan);
}

.comment-body {
  margin: 0.75rem 0 0;
  color: #d5ddd9;
  font-size: 0.86rem;
  line-height: 1.65;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.comment-actions {
  display: flex;
  margin-top: 0.75rem;
  gap: 0.35rem;
  opacity: 0.25;
  transition: opacity 160ms ease;
}

.comment-item.is-mine:hover .comment-actions,
.comment-item.is-mine:focus-within .comment-actions {
  opacity: 1;
}

.comment-action-button {
  min-height: 2.15rem;
  padding: 0.4rem 0.62rem;
  color: var(--muted);
}

.comment-edit-form {
  margin-top: 0.75rem;
}

.comment-edit-form textarea,
.comment-form textarea {
  width: 100%;
  resize: vertical;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--ink-0);
  color: var(--paper);
  font: inherit;
  line-height: 1.55;
}

.comment-edit-form textarea {
  min-height: 6rem;
  padding: 0.7rem;
}

.comment-edit-footer,
.comment-delete-confirm,
.comment-form-footer {
  display: flex;
  margin-top: 0.55rem;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.comment-edit-count,
.comment-form-footer span {
  color: var(--quiet);
  font-family: var(--display);
  font-size: 0.65rem;
  font-variant-numeric: tabular-nums;
}

.comment-inline-status {
  min-height: 1rem;
  margin: 0.45rem 0 0;
  color: var(--danger);
  font-size: 0.68rem;
}

.comment-delete-confirm {
  justify-content: flex-start;
  color: #d7a492;
  font-size: 0.75rem;
}

.comment-empty,
.comment-login-required {
  align-self: center;
  padding: 2rem 1.25rem;
  color: var(--muted);
  text-align: center;
}

.comment-empty > span {
  display: block;
  margin-bottom: 0.8rem;
  color: var(--acid);
  font-size: 2.2rem;
}

.comment-empty strong,
.comment-login-required strong {
  color: var(--paper);
  font-family: var(--editorial);
  font-size: 1.08rem;
}

.comment-login-required button {
  margin-top: 0.8rem;
}

.comment-form {
  padding: 1rem 1.25rem 1.2rem;
  border-top: 1px solid var(--line-strong);
  background: var(--ink-2);
}

.comment-form label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--cyan);
  font-family: var(--display);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}

.comment-form textarea {
  min-height: 7rem;
  padding: 0.75rem;
}

.comment-form button {
  border-color: var(--acid);
  background: var(--acid);
  color: var(--ink-0);
}

.comment-form button:disabled,
.comment-edit-form button:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

@media (max-width: 820px) {
  .participation-panel {
    grid-template-columns: 1fr;
  }

  .participation-index {
    display: none;
  }

  .auth-console {
    align-self: stretch;
  }

  .dialog-engagement {
    grid-template-columns: 1fr;
  }

  .dialog-engagement .engagement-controls {
    justify-content: flex-start;
  }

  .dialog-engagement .engagement-message {
    text-align: left;
  }
}

@media (max-width: 620px) {
  .participation-panel {
    padding-block: 4rem;
  }

  .participation-copy h2 {
    font-size: 1.8rem;
  }

  .participation-privacy {
    align-items: stretch;
    flex-direction: column;
  }

  .card-engagement {
    padding: 0.65rem 0.75rem;
  }

  .reaction-button,
  .engagement-comment-button {
    min-height: 2.75rem;
  }

  .comment-drawer {
    inset: auto 0 0;
    width: 100%;
    height: min(86dvh, 46rem);
    border-top: 1px solid var(--line-strong);
    border-left: 0;
  }

  .comment-drawer[open] {
    animation-name: sheet-enter;
  }

  @keyframes sheet-enter {
    from { opacity: 0; transform: translateY(3rem); }
    to { opacity: 1; transform: translateY(0); }
  }

  .comment-drawer-head {
    min-height: 5.2rem;
  }
}

@media (hover: none), (pointer: coarse) {
  .comment-actions {
    opacity: 1;
  }
}