/* ============================================
   VC & Accelerator Calendar — Premium CSS
   ============================================ */

:root {
  --bg-base: #f1f5f9;
  --bg-surface: #ffffff;
  --bg-elevated: #ffffff;
  --bg-glass: #ffffff;
  --bg-glass-hover: #f8fafc;

  --accent-violet: #4f46e5;
  --accent-cyan: #0284c7;
  --accent-emerald: #059669;
  --accent-amber: #d97706;
  --accent-rose: #e11d48;

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #475569;

  --border-subtle: #cbd5e1;
  --border-active: #818cf8;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-card: 0 4px 12px rgba(0,0,0,0.05);
  --shadow-glow-violet: 0 4px 20px rgba(79, 70, 229, 0.15);
  --shadow-glow-cyan: 0 4px 20px rgba(2, 132, 199, 0.15);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Background radial glow */
body::before {
  content: '';
  position: fixed;
  top: -20%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: '';
  position: fixed;
  bottom: -10%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 24px;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
  padding: 18px 0;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1 1 280px;
}

.brand-icon {
  font-size: 32px;
  line-height: 1;
  filter: drop-shadow(0 0 10px rgba(124,106,255,0.6));
}

.brand-title {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 400;
}

.header-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1 1 420px;
}

/* Search */
.search-wrap {
  position: relative;
}
.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  pointer-events: none;
  opacity: 0.5;
}
.search-input {
  width: 100%;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 9px 12px 9px 36px;
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus {
  border-color: var(--border-active);
  box-shadow: var(--shadow-glow-violet);
}

/* Filter chips */
.filter-chips, .priority-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip, .pchip {
  padding: 5px 13px;
  border-radius: 100px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-glass);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.chip:hover, .pchip:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}
.chip.active {
  background: rgba(124,106,255,0.2);
  border-color: rgba(124,106,255,0.5);
  color: var(--accent-violet);
}
.pchip.active {
  background: rgba(0,216,255,0.15);
  border-color: rgba(0,216,255,0.4);
  color: var(--accent-cyan);
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  z-index: 1;
}
.stats-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.stat-item {
  display: flex;
  align-items: baseline;
  gap: 7px;
}
.stat-num {
  font-size: 22px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 64px;
  position: relative;
  z-index: 1;
}

/* ============================================
   MONTH GROUP
   ============================================ */
.month-group {
  margin-bottom: 40px;
}
.month-heading {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 10px;
}
.month-heading::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-violet), var(--accent-cyan));
  border-radius: 2px;
}

/* ============================================
   EVENT CARD
   ============================================ */
.event-card {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 0 16px;
  align-items: start;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-glass);
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
  margin-bottom: 12px;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.event-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 0 2px 2px 0;
}
.event-card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-active);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

/* Left rail stripe color by event type */
.event-card[data-type="Application Open"]::before    { background: var(--accent-emerald); }
.event-card[data-type="Application Deadline"]::before { background: var(--accent-rose); }
.event-card[data-type="Program Start"]::before       { background: var(--accent-cyan); }
.event-card[data-type="Program End"]::before         { background: var(--accent-amber); }

/* Date box */
.event-date-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  padding: 8px 6px;
  border: 1px solid var(--border-subtle);
  min-width: 56px;
}
.event-date-month {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}
.event-date-day {
  font-size: 26px;
  font-weight: 800;
  line-height: 1;
  color: var(--text-primary);
}
.event-date-est {
  font-size: 9px;
  color: var(--accent-amber);
  font-weight: 600;
  margin-top: 2px;
}

/* Main info */
.event-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.event-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}
.event-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.event-org {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}
.event-type-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 100px;
  display: inline-block;
}
.event-type-badge.type-open     { background: rgba(0,229,160,0.15); color: var(--accent-emerald); }
.event-type-badge.type-deadline { background: rgba(255,92,141,0.15); color: var(--accent-rose); }
.event-type-badge.type-start    { background: rgba(0,216,255,0.15);  color: var(--accent-cyan); }
.event-type-badge.type-end      { background: rgba(255,169,64,0.15); color: var(--accent-amber); }

.event-desc-short {
  font-size: 13px;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Add to Calendar inline link */
.add-to-cal {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-violet);
  text-decoration: none;
  padding: 2px 8px;
  border-radius: 100px;
  border: 1px solid rgba(79, 70, 229, 0.25);
  background: rgba(79, 70, 229, 0.06);
  transition: all var(--transition);
  white-space: nowrap;
}
.add-to-cal:hover {
  background: rgba(79, 70, 229, 0.15);
  border-color: rgba(79, 70, 229, 0.5);
  transform: translateY(-1px);
}

/* Right column: priority + calendar */
.event-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  padding-top: 2px;
}
.priority-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 100px;
  white-space: nowrap;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.priority-badge.high   { background: rgba(124,106,255,0.2); color: var(--accent-violet); border: 1px solid rgba(124,106,255,0.3); }
.priority-badge.medium { background: rgba(0,216,255,0.15);  color: var(--accent-cyan);   border: 1px solid rgba(0,216,255,0.3); }
.priority-badge.niche  { background: rgba(255,169,64,0.15); color: var(--accent-amber);  border: 1px solid rgba(255,169,64,0.3); }

/* Past events dimmed */
.event-card.past {
  opacity: 0.85;
  background: #f8fafc;
}
.event-card.past .event-date-box {
  background: #f1f5f9;
}
.event-card.past:hover {
  opacity: 1;
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}
.empty-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state p { font-size: 16px; }

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.15s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 32px;
  max-width: 560px;
  width: 100%;
  position: relative;
  box-shadow: 0 24px 60px rgba(0,0,0,0.15), var(--shadow-glow-violet);
  animation: slideUp 0.2s ease;
}
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.modal-close:hover { background: var(--bg-glass-hover); color: var(--text-primary); }

.modal-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 14px;
}

.modal-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 16px;
}

.modal-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--bg-glass);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}
.modal-meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}
.modal-meta-label {
  color: var(--text-muted);
  font-weight: 600;
  min-width: 80px;
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.08em;
}
.modal-meta-value { color: var(--text-primary); font-weight: 500; }

.modal-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.modal-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-violet), #5b4fd9);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: all var(--transition);
  box-shadow: var(--shadow-glow-violet);
}
.modal-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124,106,255,0.5);
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.modal-cta-gcal {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: all var(--transition);
}
.modal-cta-gcal:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-active);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 20px 24px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}
.site-footer em { color: var(--accent-amber); font-style: normal; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 640px) {
  .header-inner { flex-direction: column; }
  .header-brand, .header-actions { flex: none; width: 100%; }
  .stats-inner { gap: 20px; }
  .event-card {
    grid-template-columns: 56px 1fr;
  }
  .event-right { display: none; }
  .event-title { font-size: 14px; }
  .modal-card { padding: 24px 18px; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-subtle); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.1); }