.gk-no-scroll {
  overflow: hidden;
}

.gk-modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(30, 30, 30, 0.6);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 1000;
  padding: 0;
}

.gk-modal-overlay[hidden] {
  display: none;
}

.gk-modal {
  background-color: var(--gk-paper);
  color: var(--gk-ink);
  border: 2px solid var(--gk-ink);
  box-shadow: var(--gk-shadow-modal);
  width: 100%;
  max-width: 100%;
  max-height: 90vh;
  border-radius: var(--gk-radius-lg) var(--gk-radius-lg) 0 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.gk-modal-header {
  display: flex;
  justify-content: flex-end;
  padding: var(--gk-sp-2) var(--gk-sp-3);
  border-bottom: 1px solid var(--gk-line);
  flex-shrink: 0;
}

.gk-modal-close {
  background-color: transparent;
  border: 2px solid var(--gk-ink);
  color: var(--gk-ink);
  width: 36px;
  height: 36px;
  border-radius: var(--gk-radius-full);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  font-family: var(--gk-font-display);
  font-weight: var(--gk-fw-bold);
  transition: background-color var(--gk-transition);
}

.gk-modal-close:hover {
  background-color: var(--gk-yellow);
}

.gk-modal-body {
  padding: var(--gk-sp-4) var(--gk-sp-5) var(--gk-sp-5);
  overflow-y: auto;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: var(--gk-sp-4);
}

.gk-modal-columns {
  display: flex;
  flex-direction: column;
  gap: var(--gk-sp-4);
}

.gk-modal-aside {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--gk-sp-3);
  text-align: center;
}

.gk-modal-main {
  display: flex;
  flex-direction: column;
  gap: var(--gk-sp-4);
  min-width: 0;
}

.gk-modal-media {
  display: flex;
  justify-content: center;
  padding-top: var(--gk-sp-3);
}

.gk-modal-aside .gk-modal-links,
.gk-modal-aside .gk-modal-tags {
  justify-content: center;
}

.gk-modal-image {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border: 2px solid var(--gk-ink);
  border-radius: var(--gk-radius-md);
  background-color: var(--gk-paper);
}

.gk-modal-heading {
  display: flex;
  flex-direction: column;
  gap: var(--gk-sp-2);
  align-items: flex-start;
}

.gk-modal-title {
  font-family: var(--gk-font-display);
  font-size: var(--gk-fs-h3);
  font-weight: var(--gk-fw-bold);
  line-height: 1.25;
  color: var(--gk-ink);
}

.gk-modal-subtitle {
  font-size: var(--gk-fs-body);
  color: var(--gk-ink);
  opacity: 0.75;
}

.gk-modal-affiliation {
  font-size: var(--gk-fs-body);
  font-weight: var(--gk-fw-medium);
  color: var(--gk-ink);
  opacity: 0.85;
}

.gk-modal-group-chip {
  display: inline-block;
  padding: var(--gk-sp-2) var(--gk-sp-4);
  border: 2px solid var(--gk-ink);
  border-radius: var(--gk-radius-full);
  font-family: var(--gk-font-display);
  font-size: var(--gk-fs-small);
  font-weight: var(--gk-fw-bold);
  background-color: var(--gk-yellow-halftone);
}

.gk-modal-section {
  display: flex;
  flex-direction: column;
  gap: var(--gk-sp-2);
}

.gk-modal-section-title {
  font-family: var(--gk-font-display);
  font-size: var(--gk-fs-small);
  font-weight: var(--gk-fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gk-ink);
  opacity: 0.7;
}

.gk-modal-session-title {
  font-family: var(--gk-font-display);
  font-size: var(--gk-fs-body);
  font-weight: var(--gk-fw-bold);
}

.gk-modal-meta {
  gap: var(--gk-sp-1);
}

.gk-modal-meta-row {
  display: flex;
  gap: var(--gk-sp-3);
  font-size: var(--gk-fs-small);
}

.gk-modal-meta-label {
  color: var(--gk-ink);
  opacity: 0.7;
  min-width: 4rem;
}

.gk-modal-meta-value {
  color: var(--gk-ink);
}

.gk-modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gk-sp-2);
}

.gk-modal-tag {
  display: inline-block;
  padding: 2px var(--gk-sp-3);
  border: 1px solid var(--gk-ink);
  border-radius: var(--gk-radius-full);
  font-size: var(--gk-fs-tiny);
  background-color: var(--gk-paper);
}

.gk-modal-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gk-sp-3);
}

.gk-modal-link {
  color: var(--gk-blue);
  text-decoration: underline;
  font-size: var(--gk-fs-small);
}

.gk-modal-footer {
  margin-top: var(--gk-sp-3);
  padding-top: var(--gk-sp-4);
  border-top: 1px solid var(--gk-line);
  display: flex;
  justify-content: flex-end;
}

.gk-modal-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--gk-sp-3) var(--gk-sp-5);
  font-family: var(--gk-font-display);
  font-weight: var(--gk-fw-bold);
  font-size: var(--gk-fs-body);
  color: var(--gk-paper);
  background-color: var(--gk-ink);
  border: 2px solid var(--gk-ink);
  border-radius: var(--gk-radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--gk-transition);
}

.gk-modal-action:hover {
  transform: translate(-2px, -2px);
  text-decoration: none;
}

.gk-modal-action-disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

@media (min-width: 900px) {
  .gk-modal-overlay {
    align-items: center;
    padding: var(--gk-sp-5);
  }

  .gk-modal {
    max-width: 760px;
    max-height: 80vh;
    border-radius: var(--gk-radius-lg);
  }

  .gk-modal-columns {
    flex-direction: row-reverse;
    align-items: flex-start;
    gap: var(--gk-sp-5);
  }

  .gk-modal-aside {
    flex: 0 0 240px;
    position: sticky;
    top: 0;
  }

  .gk-modal-main {
    flex: 1 1 auto;
  }

  .gk-modal-media {
    padding-top: 0;
  }

  .gk-modal-image {
    width: 240px;
    height: 240px;
  }
}

.gk-card {
  background-color: var(--gk-paper);
  color: var(--gk-ink);
  border: 2px solid var(--gk-ink);
  border-radius: var(--gk-radius-md);
  box-shadow: var(--gk-shadow-card);
  padding: 0;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition:
    transform var(--gk-transition),
    box-shadow var(--gk-transition);
  overflow: hidden;
  text-align: left;
  outline: none;
}

.gk-card:hover,
.gk-card:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: var(--gk-shadow-card-hover);
}

.gk-card-media {
  position: relative;
  width: 100%;
  overflow: hidden;
  background-color: var(--gk-paper);
}

.gk-card-media-person {
  aspect-ratio: 1 / 1;
  border-bottom: 2px solid var(--gk-ink);
}

.gk-card-image {
  display: block;
  transition: opacity var(--gk-transition);
}

.gk-card-image-person {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.gk-card-body {
  padding: var(--gk-sp-3) var(--gk-sp-4) var(--gk-sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--gk-sp-2);
}

.gk-card-body-center {
  text-align: center;
  align-items: center;
}

.gk-card-name {
  font-family: var(--gk-font-display);
  font-size: var(--gk-fs-body);
  font-weight: var(--gk-fw-bold);
  line-height: 1.3;
}

.gk-card-subtitle {
  font-size: var(--gk-fs-small);
  color: var(--gk-ink);
  opacity: 0.7;
}

.gk-card-affiliation {
  font-size: var(--gk-fs-small);
  font-weight: var(--gk-fw-medium);
  color: var(--gk-ink);
  opacity: 0.85;
}

.gk-card-description {
  font-size: var(--gk-fs-small);
  color: var(--gk-ink);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.gk-session-card {
  padding: var(--gk-sp-4);
  gap: var(--gk-sp-3);
}

.gk-session-header {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gk-sp-3);
  align-items: center;
}

.gk-session-time {
  font-family: var(--gk-font-mono);
  font-size: var(--gk-fs-small);
  font-weight: var(--gk-fw-medium);
}

.gk-session-group {
  display: inline-block;
  padding: 2px var(--gk-sp-3);
  border: 1px solid var(--gk-ink);
  border-radius: var(--gk-radius-full);
  font-size: var(--gk-fs-tiny);
  font-weight: var(--gk-fw-medium);
  background-color: var(--gk-paper);
}

.gk-session-title {
  font-family: var(--gk-font-display);
  font-size: var(--gk-fs-body);
  font-weight: var(--gk-fw-bold);
  line-height: 1.3;
}

.gk-session-speakers {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gk-sp-3);
  align-items: center;
}

.gk-session-speaker {
  display: inline-flex;
  align-items: center;
  gap: var(--gk-sp-2);
}

.gk-session-speaker-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--gk-radius-full);
  object-fit: cover;
  border: 1px solid var(--gk-ink);
}

.gk-session-speaker-name {
  font-size: var(--gk-fs-small);
  color: var(--gk-ink);
}

.gk-image-viewer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(30, 30, 30, 0.85);
  z-index: 1100;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
}

.gk-image-viewer-overlay[hidden] {
  display: none;
}

.gk-image-viewer {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.gk-image-viewer-close {
  position: absolute;
  top: var(--gk-sp-4);
  right: var(--gk-sp-4);
  z-index: 2;
  width: 40px;
  height: 40px;
  border-radius: var(--gk-radius-full);
  background-color: var(--gk-paper);
  color: var(--gk-ink);
  border: 2px solid var(--gk-ink);
  font-family: var(--gk-font-display);
  font-weight: var(--gk-fw-bold);
  font-size: 1.25rem;
  cursor: pointer;
}

.gk-image-viewer-stage {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  touch-action: none;
  cursor: grab;
  user-select: none;
}

.gk-image-viewer-stage:active {
  cursor: grabbing;
}

.gk-image-viewer-image {
  max-width: 90vw;
  max-height: 85vh;
  width: auto;
  height: auto;
  transform-origin: center center;
  transition: none;
  will-change: transform;
  user-select: none;
  -webkit-user-drag: none;
}

.gk-image-viewer-toolbar {
  position: absolute;
  left: 50%;
  bottom: var(--gk-sp-5);
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: var(--gk-sp-3);
  padding: var(--gk-sp-2) var(--gk-sp-4);
  background-color: rgba(240, 240, 240, 0.9);
  color: var(--gk-ink);
  border: 2px solid var(--gk-ink);
  border-radius: var(--gk-radius-full);
  font-family: var(--gk-font-mono);
  font-size: var(--gk-fs-small);
}

.gk-image-viewer-reset {
  padding: 2px var(--gk-sp-3);
  border: 1px solid var(--gk-ink);
  border-radius: var(--gk-radius-full);
  background-color: var(--gk-paper);
  color: var(--gk-ink);
  font-family: var(--gk-font-display);
  font-weight: var(--gk-fw-medium);
  font-size: var(--gk-fs-tiny);
  cursor: pointer;
}

.gk-image-viewer-hint {
  font-family: var(--gk-font-body);
  font-size: var(--gk-fs-tiny);
  opacity: 0.7;
}

.gk-ballot-card {
  position: relative;
  justify-self: center;
  align-self: flex-start;
  width: 150px;
  background-color: var(--gk-paper);
  color: var(--gk-ink);
  border: 2px solid var(--gk-ink);
  border-radius: var(--gk-radius-md);
  box-shadow: var(--gk-shadow-card);
  display: flex;
  flex-direction: column;
  cursor: default;
  outline: none;
  overflow: hidden;
  transition:
    transform var(--gk-transition),
    box-shadow var(--gk-transition);
  background-image:
    repeating-linear-gradient(to bottom, transparent 0 6px, var(--gk-ink) 6px 10px),
    repeating-linear-gradient(to bottom, transparent 0 6px, var(--gk-ink) 6px 10px);
  background-position:
    left top,
    right top;
  background-repeat: repeat-y, repeat-y;
  background-size:
    2px 100%,
    2px 100%;
}

.gk-ballot-card[role='button'] {
  cursor: pointer;
}

.gk-ballot-card[role='button']:hover,
.gk-ballot-card[role='button']:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--gk-shadow-card-hover);
}

.gk-ballot-header {
  background-color: var(--gk-red);
  color: var(--gk-paper);
  padding: var(--gk-sp-2) var(--gk-sp-3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--gk-sp-2);
  min-height: 82px;
  height: 82px;
  max-height: 82px;
  box-sizing: border-box;
  overflow: hidden;
  border-bottom: 2px solid var(--gk-ink);
  font-family: var(--gk-font-display);
  font-weight: var(--gk-fw-bold);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.35);
}

.gk-ballot-header-title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: var(--gk-fs-tiny);
  line-height: 1.2;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

.gk-ballot-header-group {
  flex: 0 0 auto;
  writing-mode: horizontal-tb;
  font-size: var(--gk-fs-tiny);
  line-height: 1.15;
  letter-spacing: 0.05em;
  opacity: 0.9;
  text-align: right;
  max-width: 48%;
  word-break: break-word;
}

:lang(zh-Hant) .gk-ballot-header-group {
  writing-mode: vertical-rl;
  text-orientation: upright;
  line-height: 1;
  text-align: initial;
  max-width: none;
  max-height: 100%;
}

.gk-ballot-body {
  display: block;
  padding: 0;
  background-color: var(--gk-paper);
}

.gk-ballot-logo-wrapper {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: block;
}

.gk-ballot-logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

@media (min-width: 900px) {
  .gk-ballot-card {
    width: 200px;
  }

  .gk-ballot-header {
    min-height: 92px;
    height: 92px;
    max-height: 92px;
  }

  .gk-ballot-header-title {
    font-size: var(--gk-fs-small);
  }
}

.gk-calendar-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gk-sp-2);
}

.gk-calendar-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--gk-sp-2) var(--gk-sp-4);
  font-family: var(--gk-font-display);
  font-weight: var(--gk-fw-medium);
  font-size: var(--gk-fs-small);
  color: var(--gk-ink);
  background-color: var(--gk-paper);
  border: 2px solid var(--gk-ink);
  border-radius: var(--gk-radius-md);
  cursor: pointer;
  text-decoration: none;
  transition:
    transform var(--gk-transition),
    background-color var(--gk-transition);
}

.gk-calendar-button:hover,
.gk-calendar-button:focus-visible {
  transform: translate(-2px, -2px);
  background-color: var(--gk-yellow);
  text-decoration: none;
}

.gk-calendar-button-google {
  background-color: var(--gk-blue);
  color: var(--gk-paper);
}

.gk-calendar-button-google:hover,
.gk-calendar-button-google:focus-visible {
  background-color: var(--gk-blue);
  color: var(--gk-paper);
}

.gk-calendar-button-all {
  background-color: var(--gk-ink);
  color: var(--gk-paper);
}

.gk-calendar-button-all:hover,
.gk-calendar-button-all:focus-visible {
  background-color: var(--gk-ink);
  color: var(--gk-paper);
}

.gk-speakers-section {
  display: flex;
  flex-direction: column;
  gap: var(--gk-sp-6);
}

.gk-speakers-group {
  display: flex;
  flex-direction: column;
  gap: var(--gk-sp-4);
}

.gk-speakers-grid {
  display: grid;
  gap: var(--gk-sp-4);
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
}

@media (min-width: 768px) {
  .gk-speakers-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

@media (min-width: 1280px) {
  .gk-speakers-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
}

.gk-speakers-empty {
  text-align: center;
  color: var(--gk-ink);
  opacity: 0.7;
  padding: var(--gk-sp-6) 0;
}

.gk-agenda-section {
  display: flex;
  flex-direction: column;
  gap: var(--gk-sp-6);
}

.gk-agenda-map {
  display: flex;
  flex-direction: column;
  gap: var(--gk-sp-3);
  align-items: center;
}

.gk-agenda-map-hint {
  font-size: var(--gk-fs-tiny);
  color: var(--gk-ink);
  opacity: 0.65;
}

.gk-agenda-map-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gk-sp-2);
  justify-content: center;
}

.gk-agenda-map-tab {
  padding: var(--gk-sp-2) var(--gk-sp-3);
  font-family: var(--gk-font-display);
  font-size: var(--gk-fs-small);
  color: var(--gk-ink);
  background-color: var(--gk-paper);
  border: 2px solid var(--gk-ink);
  border-radius: var(--gk-radius-md);
  cursor: pointer;
}

.gk-agenda-map-tab-active {
  background-color: var(--gk-yellow);
}

.gk-agenda-map-stage {
  width: 100%;
  display: flex;
  justify-content: center;
}

.gk-agenda-map-image {
  width: 100%;
  max-width: 720px;
  height: auto;
  border: 2px solid var(--gk-ink);
  cursor: zoom-in;
}

.gk-agenda-map-caption {
  font-size: var(--gk-fs-small);
  text-align: center;
}

.gk-agenda-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--gk-sp-4);
}

.gk-agenda-timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gk-sp-3);
  flex-wrap: wrap;
}

.gk-agenda-timeline-title {
  font-family: var(--gk-font-display);
  font-size: var(--gk-fs-h3);
  font-weight: var(--gk-fw-bold);
}

.gk-agenda-grid {
  display: grid;
  gap: var(--gk-sp-3);
}

.gk-agenda-grid-single {
  grid-template-columns: 1fr;
  align-items: start;
}

.gk-agenda-grid-multi {
  grid-template-columns: repeat(var(--gk-agenda-track-count, 2), minmax(0, 1fr));
  align-items: start;
}

@media (min-width: 640px) {
  .gk-agenda-grid-multi {
    grid-template-columns: repeat(var(--gk-agenda-track-count, 2), minmax(240px, 1fr));
  }
}

@media (max-width: 399px) {
  .gk-agenda-grid-multi {
    grid-template-columns: 1fr;
  }
  .gk-agenda-grid-multi > .gk-agenda-grid-header-cell {
    display: none;
  }
  .gk-agenda-grid-multi > [style*='grid-area'] {
    grid-column: 1 / -1 !important;
    grid-row: auto !important;
  }
}

.gk-agenda-grid-scroll {
  overflow-x: auto;
}

.gk-agenda-grid-header-cell {
  font-family: var(--gk-font-display);
  font-weight: var(--gk-fw-bold);
  font-size: var(--gk-fs-small);
  padding: var(--gk-sp-2);
  border-top: 4px solid var(--gk-ink);
  background-color: var(--gk-paper);
}

.gk-agenda-span {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: var(--gk-sp-3);
  padding: var(--gk-sp-3) var(--gk-sp-4);
  border: 2px dashed var(--gk-ink);
  background-color: var(--gk-paper);
  color: var(--gk-ink);
  opacity: 0.9;
}

.gk-agenda-span-time {
  font-family: var(--gk-font-mono);
  font-size: var(--gk-fs-small);
}

.gk-agenda-span-title {
  font-family: var(--gk-font-display);
  font-weight: var(--gk-fw-medium);
}

.gk-agenda-empty {
  text-align: center;
  padding: var(--gk-sp-6) 0;
  color: var(--gk-ink);
  opacity: 0.7;
}

.gk-image-fallback {
  opacity: 0.8;
  background-color: var(--gk-paper);
}