:root {
  --cardinal: #990000;
  --cardinal-dark: #7a0000;
  --cardinal-light: #b31b1b;
  --gold: #ffcc00;
  --bg: #f4f4f5;
  --surface: #ffffff;
  --border: #e4e4e7;
  --text: #18181b;
  --text-muted: #71717a;
  --success: #16a34a;
  --warning: #ca8a04;
  --danger: #dc2626;
  --blocked: #78716c;
  --upcoming: #1d4ed8;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --radius: 10px;
  --font: 'Source Sans 3', system-ui, -apple-system, sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.app { min-height: 100vh; display: flex; flex-direction: column; }

/* Header */
.header {
  background: linear-gradient(135deg, var(--cardinal-dark) 0%, var(--cardinal) 55%, var(--cardinal-light) 100%);
  color: white;
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-lg);
}

.header-content {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.header-brand { display: flex; align-items: center; gap: 1rem; }

.header-logo {
  width: 52px;
  height: 52px;
  background: rgba(255, 255, 255, 0.15);
  border: 2px solid var(--gold);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.brand-mark {
  flex-shrink: 0;
  line-height: 0;
}

.brand-mark-svg {
  display: block;
  width: 3.25rem;
  height: 3.25rem;
  filter: drop-shadow(0 3px 8px rgba(0, 0, 0, 0.2));
}

.brand-mark-sm .brand-mark-svg {
  width: 3.25rem;
  height: 3.25rem;
}

.header h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
}

.subtitle {
  margin: 0.15rem 0 0;
  opacity: 0.85;
  font-size: 0.9rem;
}

.header-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* Buttons */
.btn {
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  white-space: nowrap;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: white;
  color: var(--cardinal);
}

.btn-primary:hover { background: var(--gold); color: var(--text); }

.btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-secondary:hover { background: rgba(255, 255, 255, 0.25); }

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-danger:hover { background: #b91c1c; }

.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.35rem;
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 1rem;
}

.btn-icon:hover { background: var(--bg); color: var(--cardinal); }

/* Main */
.main {
  flex: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem;
  width: 100%;
}

/* Meta row */
.meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.last-updated-box {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.85rem;
  font-size: 0.8rem;
  box-shadow: var(--shadow);
}

.last-updated-label {
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.last-updated-value {
  color: var(--text);
  font-weight: 600;
}

.season-status {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
}

.season-status.active {
  background: #dcfce7;
  color: #166534;
}

.season-status.archive {
  background: #f4f4f5;
  color: var(--text-muted);
}

.recordings-banner {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-left: 4px solid var(--cardinal);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.5;
}

.recordings-banner a {
  color: var(--cardinal);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.recordings-banner a:hover { text-decoration: underline; }

/* Stats */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--cardinal);
  line-height: 1.2;
  min-height: 2rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 0.15rem;
}

.stat-card.highlight .stat-value { color: var(--upcoming); }

/* Controls */
.controls { margin-bottom: 1.25rem; }

.year-tabs {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.year-tab {
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.year-tab:hover { border-color: var(--cardinal); color: var(--cardinal); }

.year-tab.active {
  background: var(--cardinal);
  border-color: var(--cardinal);
  color: white;
}

.filters {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.search-box {
  flex: 1;
  min-width: 220px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.75rem;
  color: var(--text-muted);
}

.search-box input {
  flex: 1;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: 0.875rem;
  background: transparent;
  color: var(--text);
}

.filter-select {
  font-family: inherit;
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

/* Schedule table */
.schedule-section {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  overflow: hidden;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.section-header h2 {
  margin: 0;
  font-size: 1.1rem;
}

.entry-count {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.table-wrap { overflow-x: auto; }

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  table-layout: fixed;
}

.col-date { width: 9%; }
.col-speaker { width: 15%; }
.col-affiliation { width: 12%; }
.col-type { width: 7%; }
.col-title { width: 24%; }
.col-attendance { width: 6%; text-align: center; }
.col-status { width: 7%; }

.attendance-cell {
  text-align: center;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}
.col-recording { width: 8%; }
.col-actions { width: 7%; }

.schedule-table th,
.schedule-table td {
  overflow: hidden;
  text-overflow: ellipsis;
}

.schedule-table th.col-speaker,
.schedule-table td.speaker-cell {
  padding-right: 0.4rem;
}

.schedule-table th.col-affiliation,
.schedule-table td.affiliation-cell {
  padding-left: 0.4rem;
  padding-right: 0.4rem;
}

.schedule-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  background: #fafafa;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.schedule-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.schedule-table tbody tr:last-child td { border-bottom: none; }

.schedule-table tbody tr:hover { background: #fafafa; }

.schedule-table tbody tr.row-upcoming {
  background: #eff6ff;
}

.schedule-table tbody tr.row-upcoming:hover { background: #dbeafe; }

.schedule-table tbody tr.row-past {
  background: #fafafa;
  opacity: 0.72;
}

.schedule-table tbody tr.row-past:hover { opacity: 0.85; }

.schedule-table tbody tr.row-blocked {
  background: #fafaf9;
  color: var(--blocked);
}

.schedule-table tbody tr.row-blocked td { font-style: italic; }

.date-cell { white-space: nowrap; font-weight: 600; min-width: 110px; }

.date-cell .day-name {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
}

.speaker-cell {
  max-width: 0;
  word-wrap: break-word;
}

.speaker-cell .speaker-name { font-weight: 600; }

.speaker-cell .speaker-email {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

.speaker-cell .speaker-email a {
  color: var(--upcoming);
  text-decoration: none;
}

.speaker-cell .speaker-email a:hover { text-decoration: underline; }

.title-cell {
  max-width: 0;
  word-wrap: break-word;
  white-space: normal;
}

.affiliation-cell {
  font-size: 0.875rem;
  max-width: 0;
  word-wrap: break-word;
  white-space: normal;
}

.affiliation-cell .affiliation-name { font-weight: 600; }

.type-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: #f4f4f5;
  color: var(--text-muted);
  white-space: nowrap;
}

.type-badge.invited { background: #fef3c7; color: #92400e; }
.type-badge.external { background: #dbeafe; color: #1e40af; }
.type-badge.career { background: #dcfce7; color: #166534; }
.type-badge.case { background: #f3e8ff; color: #6b21a8; }
.type-badge.blocked { background: #f5f5f4; color: var(--blocked); }
.type-badge.internal { background: #fee2e2; color: #991b1b; }
.type-badge.external { background: #e0e7ff; color: #3730a3; }

.type-cell { white-space: nowrap; }

.recording-cell {
  white-space: nowrap;
  text-align: center;
}

.recording-link {
  color: var(--cardinal);
  font-weight: 600;
  text-decoration: none;
}

.recording-link:hover { text-decoration: underline; }

.form-optional {
  font-weight: 400;
  color: var(--text-muted);
}

.form-hint {
  margin: 0.35rem 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.form-fieldset {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem 0.5rem;
  margin: 0.5rem 0 0;
}

.form-legend {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  padding: 0 0.35rem;
}

.btn-flyer {
  text-decoration: none;
  font-size: 0.95rem;
}

.header-actions a.btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.schedule-table tbody tr.row-open {
  background: #fefce8;
}

.schedule-table tbody tr.row-open:hover { background: #fef9c3; }

.type-badge.scheduled { background: #dbeafe; color: #1e40af; }

.actions-col { width: 100px; text-align: center; }

.row-actions {
  display: flex;
  gap: 0.2rem;
  align-items: center;
  justify-content: center;
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty-state p { margin-bottom: 1rem; }

.empty-state a {
  color: var(--cardinal);
  font-weight: 600;
}

.hidden { display: none !important; }

/* Footer */
.footer {
  text-align: center;
  padding: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.footer code {
  background: var(--bg);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.75rem;
}

.footer-links {
  margin: 0.65rem 0 0;
}

.footer-links a {
  color: var(--cardinal);
  font-weight: 600;
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 1000;
}

.modal {
  background: var(--surface);
  border-radius: var(--radius);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 { margin: 0; font-size: 1.1rem; }

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
  padding: 0.25rem;
}

.modal-close:hover { color: var(--text); }

.modal-body { padding: 1.25rem; }

.form-row { margin-bottom: 1rem; }

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.form-input {
  width: 100%;
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: white;
  color: var(--text);
}

.form-input:focus {
  outline: none;
  border-color: var(--cardinal);
  box-shadow: 0 0 0 3px rgba(153, 0, 0, 0.12);
}

textarea.form-input { resize: vertical; min-height: 72px; }

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  margin-top: 0.5rem;
}

.modal-footer-right { display: flex; gap: 0.5rem; margin-left: auto; }

/* Toast */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--text);
  color: white;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  animation: slideIn 0.25s ease;
}

.toast.success { background: var(--success); }

@keyframes slideIn {
  from { transform: translateY(1rem); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
  .header-content { flex-direction: column; align-items: flex-start; }
  .header-actions { width: 100%; }
  .header-actions .btn { flex: 1; text-align: center; }
  .actions-col { display: none; }
  .schedule-table th:last-child,
  .schedule-table td:last-child { display: none; }
}