:root {
  color-scheme: light;
  --bg: #f4efe7;
  --panel: rgba(255, 255, 255, 0.84);
  --panel-strong: #ffffff;
  --text: #171717;
  --muted: #6b7280;
  --border: rgba(23, 23, 23, 0.1);
  --accent: #c41e3a;
  --accent-strong: #94162c;
  --shadow: 0 20px 60px rgba(17, 24, 39, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(196, 30, 58, 0.14), transparent 26%),
    radial-gradient(circle at top right, rgba(17, 24, 39, 0.08), transparent 22%),
    linear-gradient(180deg, #fcfaf7, var(--bg));
}

body {
  padding: 24px;
}

.shell {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.sidebar,
.content {
  display: grid;
  gap: 20px;
}

.brand,
.hero,
.panel {
  border: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
}

.brand,
.hero {
  border-radius: 24px;
  padding: 20px;
}

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

.brand-mark {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.eyebrow {
  margin: 0 0 4px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 11px;
  color: var(--accent);
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.hero h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 0.98;
  margin-bottom: 12px;
}

.hero p {
  max-width: 58ch;
  color: var(--muted);
}

.hero {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.panel {
  border-radius: 20px;
  padding: 18px;
}

.panel-title-row,
.event-item-head,
.event-item-actions,
.actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-title-row,
.event-item-head {
  justify-content: space-between;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.stat-card {
  border-radius: 16px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  padding: 14px;
}

.stat-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
}

.stat-card strong {
  font-size: 22px;
}

label,
.group-box legend {
  font-size: 13px;
  font-weight: 600;
}

input,
textarea,
select {
  width: 100%;
  margin-top: 8px;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  font: inherit;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid rgba(196, 30, 58, 0.22);
  border-color: rgba(196, 30, 58, 0.35);
}

.hint,
.meta {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

code {
  font-family: ui-monospace, SFMono-Regular, SF Mono, monospace;
  font-size: 0.92em;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 8px;
}

.form-grid.nested {
  margin-top: 0;
}

.repeatable-list {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.speaker-row {
  display: grid;
  gap: 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  padding: 14px;
}

.speaker-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.speaker-row .remove-speaker-btn {
  justify-self: end;
}

.full {
  grid-column: 1 / -1;
}

.group-box {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.62);
}

.group-box legend {
  padding: 0 8px;
}

.primary,
.secondary,
.ghost,
.danger {
  border: 0;
  border-radius: 999px;
  padding: 11px 16px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, opacity 120ms ease, background 120ms ease;
}

.primary:hover,
.secondary:hover,
.ghost:hover,
.danger:hover {
  transform: translateY(-1px);
}

.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
}

.secondary {
  background: #1f2937;
  color: #fff;
}

.ghost {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
}

.danger {
  background: #fff1f2;
  color: #b91c1c;
  border: 1px solid rgba(185, 28, 28, 0.18);
}

.event-list {
  display: grid;
  gap: 12px;
}

.event-item {
  padding: 14px;
  border-radius: 16px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  display: grid;
  gap: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.badge.draft {
  background: #f3f4f6;
  color: #374151;
}

.badge.published {
  background: #ecfdf5;
  color: #047857;
}

.badge.archived {
  background: #fef2f2;
  color: #b91c1c;
}

.event-item-actions {
  flex-wrap: wrap;
}

.message {
  padding: 12px 14px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 1080px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    order: 2;
  }

  .content {
    order: 1;
  }
}

@media (max-width: 720px) {
  body {
    padding: 14px;
  }

  .hero,
  .brand,
  .panel {
    border-radius: 18px;
  }

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

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

  .hero {
    flex-direction: column;
    align-items: start;
  }
}