:root {
  --bg: #5a5c58;
  --ink: #f5f2eb;
  --muted: rgba(245, 242, 235, 0.62);
  --line: rgba(245, 242, 235, 0.16);
  --accent: #c9a227;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Manrope", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: crosshair;
}

.tags {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.tag {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: auto;
  margin: 0;
  padding: 0.28rem 0.5rem;
  border: 1px solid rgba(245, 242, 235, 0.28);
  border-radius: 999px;
  background: rgba(30, 32, 28, 0.72);
  color: #f5f2eb;
  font: 600 0.68rem/1.2 var(--sans);
  letter-spacing: 0.02em;
  white-space: nowrap;
  cursor: pointer;
  backdrop-filter: blur(6px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
}

.tag:hover {
  border-color: var(--accent);
  color: #fff8e8;
}

.term-popup {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.96);
  z-index: 5;
  width: min(22rem, calc(100vw - 2rem));
  padding: 1.15rem 1.25rem 1.2rem;
  background: rgba(28, 30, 26, 0.92);
  border: 1px solid rgba(201, 162, 39, 0.45);
  color: var(--ink);
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.term-popup.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  pointer-events: auto;
}

.term-popup-title {
  margin: 0 0 0.45rem;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--accent);
}

.term-popup-body {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.45;
  color: rgba(245, 242, 235, 0.88);
}

.chrome-top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2;
  padding: 1.35rem 1.5rem 1rem;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    rgba(30, 32, 28, 0.55) 0%,
    rgba(30, 32, 28, 0) 100%
  );
}

.presents {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.85rem, 4.2vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.subtitle {
  margin: 0.35rem 0 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.05rem, 2.2vw, 1.45rem);
  color: rgba(245, 242, 235, 0.88);
}

.controls {
  position: fixed;
  top: 7.5rem;
  right: 0;
  z-index: 3;
  display: flex;
  align-items: flex-start;
  gap: 0.35rem;
  max-width: calc(100vw - 0.5rem);
  padding: 0;
  background: transparent;
  border: 0;
  color: var(--ink);
  pointer-events: auto;
  transition: transform 0.28s ease;
}

.controls-toggle {
  flex-shrink: 0;
  width: 1.75rem;
  height: 2.4rem;
  margin: 0.15rem 0 0;
  padding: 0;
  border: 1px solid rgba(245, 242, 235, 0.28);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.controls-toggle-arrow {
  display: block;
  width: 0.45rem;
  height: 0.45rem;
  margin: 0 auto;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(-45deg); /* points right — hide */
  transition: transform 0.2s ease;
}

.controls.collapsed .controls-toggle-arrow {
  transform: rotate(135deg); /* points left — show */
}

.controls-body {
  width: min(14.5rem, calc(100vw - 3.25rem));
  margin-right: 1.25rem;
  transition: opacity 0.2s ease;
}

.controls.collapsed {
  transform: translateX(calc(100% - 1.75rem));
}

.controls.collapsed .controls-body {
  opacity: 0;
  pointer-events: none;
}

.controls label {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 0.15rem 0.5rem;
  margin-bottom: 0.65rem;
  font-size: 0.78rem;
}

.controls label span {
  grid-column: 1;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.62rem;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
}

.controls label output {
  grid-column: 2;
  justify-self: end;
  font-variant-numeric: tabular-nums;
  font-size: 0.72rem;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
}

.controls label input[type="range"] {
  grid-column: 1 / -1;
  width: 100%;
  accent-color: var(--accent);
  background: transparent;
}

.controls .toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.25rem;
  margin-bottom: 0;
}

.controls .toggle-row span {
  grid-column: auto;
}

.controls .toggle-row input[type="checkbox"] {
  width: 1.05rem;
  height: 1.05rem;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.tags.hidden {
  visibility: hidden;
}

.chrome-bottom {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding: 1.5rem 1.5rem 1.25rem;
  pointer-events: none;
  background: linear-gradient(
    to top,
    rgba(30, 32, 28, 0.6) 0%,
    rgba(30, 32, 28, 0) 100%
  );
}

.know-more {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 1.1rem;
  border: 1px solid rgba(245, 242, 235, 0.35);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: transparent;
}

.know-more:hover {
  border-color: var(--accent);
  color: #fff8e8;
}

.date-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.atlas-mark-link {
  display: block;
  flex-shrink: 0;
  pointer-events: auto;
  line-height: 0;
}

.atlas-mark {
  width: 3.25rem;
  height: 3.25rem;
  object-fit: contain;
  border-radius: 0.35rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.date-block {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  align-items: flex-start;
}

.date-block .label,
.info-section h2 {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.date-block .value {
  font-size: clamp(1.05rem, 2.4vw, 1.45rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.events {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.1rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.logos {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.logo-text {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.3;
  text-decoration: none;
}

.logo-text:hover {
  text-decoration: underline;
}

.logo-atlas {
  color: #9bb0ff;
}

.logo-isdi {
  color: #f0a0b8;
}

.campus-address {
  margin: 0;
  font-style: normal;
  font-size: 0.86rem;
  line-height: 1.55;
  color: rgba(245, 242, 235, 0.78);
}

.partner {
  margin: 0.85rem 0 0;
  font-size: 0.86rem;
  color: var(--muted);
  font-style: italic;
}

/* Know more page */
body.page-info {
  overflow: auto;
  min-height: 100%;
  height: auto;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(201, 162, 39, 0.12), transparent 45%),
    linear-gradient(160deg, #4f514d 0%, #3a3c38 55%, #2c2e2a 100%);
}

.back-link {
  position: sticky;
  top: 0;
  z-index: 2;
  display: inline-block;
  margin: 1rem 1.25rem 0;
  padding: 0.45rem 0.2rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: transparent;
}

.back-link:hover {
  color: var(--ink);
}

.info-main {
  width: min(40rem, calc(100% - 2.5rem));
  margin: 0.5rem auto 3rem;
  padding: 0.5rem 0 2rem;
}

.page-info .title {
  font-size: clamp(2rem, 5vw, 3.2rem);
}

.info-events {
  margin: 1.75rem 0 0.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.info-section {
  margin-top: 1.5rem;
}

.info-section h2 {
  margin: 0 0 0.45rem;
  font-weight: 600;
}

.info-section p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.55;
}

.info-lead {
  font-size: 1.25rem !important;
  font-weight: 700;
}

@media (max-width: 720px) {
  .controls {
    top: auto;
    bottom: 5.75rem;
  }

  .controls-body {
    margin-right: 0.75rem;
  }

  .chrome-bottom {
    padding-bottom: 0.9rem;
  }

  .chrome-top {
    padding-right: 1rem;
  }
}