/* ==========================================================================
   Professional Scientific Theme
   International Workshop on Physics of Near- and Mid-UV Radiation from the Sun & Its Effects on Climate
   Venue: IUCAA, Pune | October 21–23, 2026
   ========================================================================== */

:root {
  /* Scientific Deep Slate & Solar Palette */
  --bg-deep: #070a12;
  --bg-panel: #0d121f;
  --bg-card: rgba(15, 22, 36, 0.95);
  --bg-card-hover: #162035;
  --bg-table-row: rgba(18, 26, 44, 0.65);
  --bg-table-alt: rgba(13, 18, 31, 0.5);
  
  --border-strong: #243048;
  --border-focus: #cbd5e1;

  /* Minimalist Ice Platinum / Silver Palette */
  --platinum-bright: #f8fafc;
  --platinum-primary: #f1f5f9;
  --platinum-soft: #cbd5e1;
  --platinum-dim: #94a3b8;
  --platinum-glow: rgba(255, 255, 255, 0.22);

  /* Curated Scientific Color Accents */
  --accent-cyan: #38bdf8;
  --accent-cyan-hover: #7dd3fc;
  --accent-cyan-dark: #0284c7;
  --accent-cyan-glow: rgba(56, 189, 248, 0.22);
  --accent-cyan-bg: rgba(56, 189, 248, 0.1);
  --accent-cyan-border: rgba(56, 189, 248, 0.28);

  --accent-amber: #f59e0b;
  --accent-amber-light: #fbbf24;
  --accent-amber-bg: rgba(245, 158, 11, 0.12);
  --accent-amber-border: rgba(245, 158, 11, 0.32);

  --accent-emerald: #10b981;
  --accent-emerald-light: #34d399;
  --accent-emerald-bg: rgba(16, 185, 129, 0.12);
  --accent-emerald-border: rgba(16, 185, 129, 0.32);

  --accent-coral: #f43f5e;
  --accent-coral-light: #fb7185;
  --accent-coral-bg: rgba(244, 63, 94, 0.12);
  --accent-coral-border: rgba(244, 63, 94, 0.35);

  --accent-violet: #818cf8;
  --accent-violet-light: #a78bfa;
  --accent-violet-bg: rgba(129, 140, 248, 0.12);
  --accent-violet-border: rgba(129, 140, 248, 0.32);

  /* Legacy tokens mapped to accents */
  --solar-gold: var(--accent-amber-light);
  --solar-bright: #e2e8f0;
  --solar-warm: #cbd5e1;
  --solar-orange: var(--accent-amber);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #8492a6;
  --text-dim: #64748b;

  /* Typography: Scientific serif for title/headings + Inter for data */
  --font-serif: 'STIX Two Text', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', Menlo, Consolas, monospace;

  --max-width: 1120px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 40px;
  background-color: var(--bg-deep);
}

body {
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* SVG Icon Base Utility */
.svg-icon {
  display: inline-block;
  width: 1.15em;
  height: 1.15em;
  vertical-align: -0.18em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--accent-cyan-hover);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Partner Logos Header Banner (True Black, Large, Original Colors)
   -------------------------------------------------------------------------- */
.logo-header {
  background: #000000;
  padding: 26px 0;
  border-bottom: 1px solid var(--border-strong);
}

.logo-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 32px;
}

.logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-item img {
  height: 78px;
  max-width: 290px;
  object-fit: contain;
  display: block;
}

.logo-item.ga-item img {
  height: 66px;
  max-width: 420px;
}

.logo-item.sun-iucaa-item img {
  height: 86px;
  max-width: 120px;
}

/* --------------------------------------------------------------------------
   Workshop Title & Meta Banner
   -------------------------------------------------------------------------- */
.title-banner {
  padding: 36px 0 0 0;
  text-align: center;
  background: #000000;
  border-bottom: 1px solid var(--border-strong);
}

.workshop-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.95rem, 3.5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.25;
  color: #ffffff;
  max-width: 1040px;
  margin: 0 auto 16px;
  letter-spacing: -0.01em;
}

.workshop-meta {
  font-size: 1.22rem;
  color: var(--solar-bright);
  font-weight: 500;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 20px;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.meta-item .svg-icon {
  color: var(--accent-cyan);
  width: 1.2em;
  height: 1.2em;
}

.meta-divider {
  color: var(--text-dim);
}

/* Solar Observation Figure Banner (Prominent, Contained, Borderless) */
.solar-hero-strip {
  width: 100%;
  max-width: 1190px;
  background: #000000;
  border: none;
  margin: 14px auto 0;
  padding: 0 24px 28px;
  text-align: center;
  overflow: hidden;
}

.solar-hero-strip a {
  display: inline-block;
  max-width: 1145px;
  width: 100%;
  text-decoration: none;
}

.solar-hero-img {
  max-width: 1145px;
  width: 100%;
  height: auto;
  max-height: 550px;
  display: block;
  margin: 0 auto;
  border: none;
  outline: none;
  box-shadow: none;
  background: #000000;
  object-fit: contain;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.solar-hero-strip a:hover .solar-hero-img {
  transform: scale(1.01);
  opacity: 0.96;
}

.solar-badge-hint {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.24);
  padding: 6px 16px;
  border-radius: 999px;
  margin-top: 14px;
  transition: all 0.2s ease;
}

.solar-hero-strip a:hover .solar-badge-hint {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--accent-cyan);
  color: #ffffff;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.25);
}

/* --------------------------------------------------------------------------
   Navigation Tabs (Scientific Console Style with Icons)
   -------------------------------------------------------------------------- */
.nav-tabs-wrapper {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 10, 18, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-strong);
  padding: 14px 0;
}

.nav-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.nav-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  font-size: 1.02rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.nav-tab-btn .svg-icon {
  color: var(--text-muted);
  width: 18px;
  height: 18px;
  transition: color 0.18s ease, transform 0.18s ease;
}

.nav-tab-btn:hover {
  background: var(--bg-card-hover);
  color: #ffffff;
  border-color: rgba(56, 189, 248, 0.4);
}

.nav-tab-btn:hover .svg-icon {
  color: var(--accent-cyan-hover);
  transform: translateY(-1px);
}

.nav-tab-btn.active {
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.28) 0%, rgba(56, 189, 248, 0.16) 100%);
  color: #ffffff;
  border-color: var(--accent-cyan);
  font-weight: 700;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.25);
}

.nav-tab-btn.active .svg-icon {
  color: var(--accent-cyan);
}

.nav-badge-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.18);
  color: #7dd3fc;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.nav-tab-btn.active .nav-badge-pill {
  background: var(--accent-cyan);
  color: #070a12;
  border-color: transparent;
}

/* --------------------------------------------------------------------------
   Tab Panels
   -------------------------------------------------------------------------- */
.tab-panel {
  display: none;
  padding: 38px 0 64px;
}

.tab-panel.active {
  display: block;
}

.panel-header {
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-strong);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
}

.panel-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 600;
  color: #ffffff;
}

.panel-date-badge {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: #f1f5f9;
  background: rgba(241, 245, 249, 0.08);
  border: 1px solid rgba(241, 245, 249, 0.2);
  padding: 5px 14px;
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   Program Schedule Table (Scientific Timetable)
   -------------------------------------------------------------------------- */
.day-selector-strip {
  display: flex;
  gap: 10px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.day-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  padding: 10px 22px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.96rem;
  font-weight: 600;
  transition: all 0.15s ease;
}

.day-btn .svg-icon {
  color: var(--text-muted);
  width: 16px;
  height: 16px;
  transition: color 0.15s ease;
}

.day-btn:hover {
  background: var(--bg-card-hover);
  color: #ffffff;
  border-color: rgba(56, 189, 248, 0.35);
}

.day-btn:hover .svg-icon {
  color: var(--accent-cyan);
}

.day-btn.active {
  background: #0f1c30;
  color: #ffffff;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.2);
}

.day-btn.active .svg-icon {
  color: var(--accent-cyan);
}

.day-schedule-view {
  display: none;
}

.day-schedule-view.active {
  display: block;
}

.program-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  overflow: hidden;
}

.program-table tr {
  border-bottom: 1px solid var(--border-subtle);
  border-left: 3px solid transparent;
  transition: all 0.15s ease;
}

.program-table tr:nth-child(even) {
  background: var(--bg-table-row);
}

.program-table tr:hover {
  background: var(--bg-card-hover);
  border-left-color: var(--accent-cyan);
}

.program-table td {
  padding: 16px 22px;
  vertical-align: top;
}

.time-cell {
  width: 175px;
  font-family: var(--font-mono);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--solar-bright);
  white-space: nowrap;
}

.time-cell .time-inner {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.time-cell .svg-icon {
  color: var(--accent-cyan);
  width: 14px;
  height: 14px;
  opacity: 0.8;
}

/* Event Type Badges */
.event-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
  line-height: 1.2;
}

.event-badge .svg-icon {
  width: 13px;
  height: 13px;
}

.badge-talk {
  background: var(--accent-cyan-bg);
  color: #7dd3fc;
  border: 1px solid var(--accent-cyan-border);
}

.badge-break {
  background: var(--accent-amber-bg);
  color: var(--accent-amber-light);
  border: 1px solid var(--accent-amber-border);
}

.badge-lunch {
  background: var(--accent-emerald-bg);
  color: var(--accent-emerald-light);
  border: 1px solid var(--accent-emerald-border);
}

.badge-dinner {
  background: var(--accent-coral-bg);
  color: var(--accent-coral-light);
  border: 1px solid var(--accent-coral-border);
}

.badge-discussion {
  background: var(--accent-violet-bg);
  color: var(--accent-violet-light);
  border: 1px solid var(--accent-violet-border);
}

.badge-welcome {
  background: rgba(99, 102, 241, 0.14);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.35);
}

.talk-title {
  font-size: 1.18rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
  line-height: 1.42;
  letter-spacing: -0.01em;
}

.speaker-line {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.speaker-line strong {
  color: #38bdf8;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.speaker-line .affil-tag {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* Break & Dinner Rows */
.break-row {
  background: rgba(245, 158, 11, 0.03) !important;
  border-left: 3px solid var(--accent-amber) !important;
}

.break-row .time-cell {
  color: var(--accent-amber-light);
}

.break-row .talk-title {
  color: #f1f5f9;
  font-weight: 600;
  font-style: normal;
}

.lunch-row {
  background: rgba(16, 185, 129, 0.03) !important;
  border-left: 3px solid var(--accent-emerald) !important;
}

.lunch-row .time-cell {
  color: var(--accent-emerald-light);
}

.lunch-row .talk-title {
  color: #f1f5f9;
  font-weight: 600;
}

.dinner-row {
  background: rgba(244, 63, 94, 0.05) !important;
  border-left: 4px solid var(--accent-coral) !important;
}

.dinner-row .time-cell {
  color: var(--accent-coral-light);
}

.dinner-row .talk-title {
  color: #ffffff;
  font-weight: 700;
}

.discussion-row {
  background: rgba(129, 140, 248, 0.04) !important;
  border-left: 3px solid var(--accent-violet) !important;
}

.discussion-row .time-cell {
  color: var(--accent-violet-light);
}

.discussion-row .talk-title {
  color: #ffffff;
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   Posters Grid (with Violet / Celestial Accents)
   -------------------------------------------------------------------------- */
.posters-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.poster-item {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 24px;
  border-top: 3px solid var(--accent-violet);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  display: flex;
  flex-direction: column;
}

.poster-item:hover {
  transform: translateY(-3px);
  border-color: var(--accent-violet-light);
  box-shadow: 0 8px 24px rgba(129, 140, 248, 0.16);
}

.poster-id-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: #c7d2fe;
  background: var(--accent-violet-bg);
  border: 1px solid var(--accent-violet-border);
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 12px;
  align-self: flex-start;
}

.poster-id-badge .svg-icon {
  width: 12px;
  height: 12px;
}

.poster-author {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: #f8fafc;
  margin-bottom: 8px;
}

.poster-author .svg-icon {
  color: var(--accent-cyan);
  width: 16px;
  height: 16px;
}

.poster-title {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.5;
  flex: 1;
}

/* --------------------------------------------------------------------------
   Participants Table (Scientific Database Style with Search Icon)
   -------------------------------------------------------------------------- */
.participants-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 22px;
}

.search-input-wrap {
  position: relative;
  max-width: 440px;
  width: 100%;
}

.search-input-wrap .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent-cyan);
  pointer-events: none;
  width: 17px;
  height: 17px;
}

.part-search-input {
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  color: #ffffff;
  font-size: 1rem;
  padding: 11px 18px 11px 42px;
  border-radius: 6px;
  width: 100%;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.part-search-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.counter-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  color: #7dd3fc;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 6px 14px;
  border-radius: 999px;
}

.counter-badge .svg-icon {
  width: 15px;
  height: 15px;
  color: var(--accent-cyan);
}

.table-wrapper {
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  overflow-x: auto;
}

.participants-table {
  width: 100%;
  border-collapse: collapse;
}

.participants-table th {
  background: #090e18;
  color: var(--solar-bright);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 13px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border-strong);
}

.participants-table th .th-inner {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.participants-table th .svg-icon {
  color: var(--accent-cyan);
  width: 14px;
  height: 14px;
}

.participants-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 1.02rem;
}

.participants-table tr:nth-child(even) {
  background: var(--bg-table-row);
}

.participants-table tr:hover td {
  background: var(--bg-card-hover);
}

.num-cell {
  font-family: var(--font-mono);
  color: #7dd3fc;
  font-size: 0.92rem;
}

.desig-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
}

.desig-pill.scientist {
  background: rgba(56, 189, 248, 0.15);
  color: #7dd3fc;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.desig-pill.student {
  background: rgba(241, 245, 249, 0.08);
  color: #e2e8f0;
  border: 1px solid rgba(241, 245, 249, 0.2);
}

.desig-pill.postdoc {
  background: rgba(168, 85, 247, 0.15);
  color: #d8b4fe;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.affil-text {
  color: #f1f5f9;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Venue, Dinner & Transit Logistics
   -------------------------------------------------------------------------- */
.venue-top-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 26px;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.info-card.venue-card {
  border-top: 3px solid var(--accent-cyan);
}

.info-card.venue-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-cyan);
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.16);
}

.info-card.dinner-card {
  border-top: 3px solid var(--accent-coral);
}

.info-card.dinner-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-coral-light);
  box-shadow: 0 8px 24px rgba(244, 63, 94, 0.16);
}

.info-card h4 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  color: #f8fafc;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 9px;
}

.info-card.venue-card h4 .svg-icon {
  color: var(--accent-cyan);
}

.info-card.dinner-card h4 .svg-icon {
  color: var(--accent-coral-light);
}

.info-card p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.info-card p:last-child {
  margin-bottom: 0;
}

.map-action-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--accent-cyan);
  transition: color 0.15s ease, transform 0.15s ease;
}

.map-action-link .svg-icon {
  width: 15px;
  height: 15px;
}

.map-action-link:hover {
  color: var(--accent-cyan-hover);
  transform: translateX(2px);
}

.transit-section-header {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  gap: 10px;
}

.transit-section-header .svg-icon {
  color: var(--accent-cyan);
}

.transit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.transit-card {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 22px;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.transit-card:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.transit-icon-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.transit-icon-badge.badge-airport {
  background: rgba(56, 189, 248, 0.14);
  color: #7dd3fc;
  border: 1px solid rgba(56, 189, 248, 0.35);
}

.transit-icon-badge.badge-railway {
  background: rgba(245, 158, 11, 0.14);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.transit-icon-badge.badge-bus {
  background: rgba(16, 185, 129, 0.14);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.transit-icon-badge.badge-expressway {
  background: rgba(129, 140, 248, 0.14);
  color: #c7d2fe;
  border: 1px solid rgba(129, 140, 248, 0.35);
}

.transit-icon-badge .svg-icon {
  width: 14px;
  height: 14px;
}

.transit-card h5 {
  font-size: 1.18rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 4px;
}

.transit-distance {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.transit-details {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.campus-tip-box {
  background: rgba(245, 158, 11, 0.05);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-left: 4px solid var(--accent-amber);
  border-radius: 6px;
  padding: 16px 22px;
  font-size: 1.02rem;
  color: #cbd5e1;
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.campus-tip-box .svg-icon {
  color: var(--accent-amber-light);
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  margin-top: 3px;
}

.campus-tip-box strong {
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   Contact Us Panel
   -------------------------------------------------------------------------- */
.contact-container {
  max-width: 860px;
  margin: 0 auto;
}

.contact-card-main {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 36px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
}

.contact-header-wrap {
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 20px;
}

.contact-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 4px;
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
  margin-bottom: 12px;
}

.contact-card-main h3 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: #ffffff;
  margin-bottom: 6px;
}

.contact-affiliation {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.contact-email-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: 6px;
  padding: 18px 24px;
  margin-bottom: 28px;
}

.email-icon-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.email-text-wrap {
  flex: 1;
  min-width: 220px;
}

.email-label {
  display: block;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-email-link {
  font-family: var(--font-mono);
  font-size: 1.28rem;
  font-weight: 700;
  color: #38bdf8;
  text-decoration: none;
  transition: color 0.15s ease;
}

.contact-email-link:hover {
  color: #7dd3fc;
  text-decoration: underline;
}

.email-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #0284c7;
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.15s ease;
}

.email-action-btn:hover {
  background: #0369a1;
}

.contact-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.contact-sub-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 18px;
}

.contact-sub-card h4 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: #f8fafc;
  margin-bottom: 8px;
}

.contact-sub-card p {
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.5;
  margin-bottom: 4px;
}

@media (max-width: 650px) {
  .contact-info-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border-strong);
  padding: 32px 0;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
  background: #05080e;
}

/* Responsive */
@media (max-width: 900px) {
  .logo-container {
    justify-content: center;
    gap: 24px;
  }

  .logo-item img {
    height: 62px;
  }

  .logo-item.ga-item img {
    height: 52px;
  }

  .venue-top-grid {
    grid-template-columns: 1fr;
  }

  .time-cell {
    width: 130px;
  }
}

@media (max-width: 650px) {
  .workshop-meta {
    flex-direction: column;
    gap: 8px;
  }

  .meta-divider {
    display: none;
  }

  .logo-item img {
    height: 50px;
  }

  .logo-item.ga-item img {
    height: 42px;
  }

  .nav-tabs {
    flex-wrap: wrap;
  }

  .transit-grid {
    grid-template-columns: 1fr;
  }

  .participants-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .part-search-input {
    width: 100%;
  }
}

/* ============================================================
COMMITTEE CARDS — Poster-style layout
============================================================ */

.committee-container {
margin-top: 20px;
}

.committee-item {
display: flex;
flex-direction: column;
}

.committee-affiliation {
margin-top: 10px;
font-size: 0.9rem;
line-height: 1.45;
opacity: 0.8;
}

.committee-role {
margin-top: 8px;
font-size: 1rem;
line-height: 1.45;
font-weight: 500;
}

.committee-email {
display: flex;
align-items: center;
gap: 7px;
margin-top: 12px;
font-size: 0.85rem;
}

.committee-email .svg-icon {
width: 16px;
height: 16px;
flex-shrink: 0;
}

.committee-email a {
color: var(--accent-cyan);
text-decoration: underline;
line-height: 1.3;
overflow-wrap: anywhere;
}

.committee-item .poster-author {
margin-top: 10px;
}