:root {
  --bg: #0f0f0f;
  --surface: #1a1a1a;
  --surface-light: #242424;
  --border: #2e2e2e;
  --primary: #c026d3;
  --primary-dark: #86198f;
  --accent: #f97316;
  --text: #ffffff;
  --text-muted: #a3a3a3;
  --danger: #ef4444;
  --success: #22c55e;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.hidden {
  display: none !important;
}

.view {
  min-height: 100vh;
}

.login-card {
  width: min(420px, 92vw);
  margin: 10vh auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}

.login-card h1,
.topbar h1 {
  margin: 0;
  font-size: 2rem;
}

.subtitle,
.topbar p {
  color: var(--text-muted);
}

label {
  display: block;
  margin-bottom: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  margin-top: 6px;
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-light);
  color: var(--text);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(192, 38, 211, 0.2);
}

.btn {
  border: none;
  border-radius: var(--radius);
  padding: 12px 16px;
  cursor: pointer;
  font-weight: 700;
}

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

.btn.secondary {
  background: var(--surface-light);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn.ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

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

.error {
  color: #fca5a5;
  margin-top: 12px;
}

.hint {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 20px;
}

.hint code {
  background: var(--surface-light);
  padding: 2px 6px;
  border-radius: 6px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 24px 32px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface), var(--bg));
}

.topbar-actions {
  display: flex;
  gap: 12px;
}

.layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 24px;
  padding: 24px 32px 32px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.panel-header {
  padding: 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

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

.event-list {
  max-height: calc(100vh - 220px);
  overflow-y: auto;
}

.event-item {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: inherit;
  padding: 16px 20px;
  cursor: pointer;
}

.event-item:hover,
.event-item.active {
  background: var(--surface-light);
}

.event-item strong {
  display: block;
  margin-bottom: 4px;
}

.event-item span {
  color: var(--text-muted);
  font-size: 13px;
}

.event-form {
  padding: 20px;
}

.grid {
  display: grid;
  gap: 16px;
  margin-bottom: 4px;
}

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

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

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
}

.checkbox-row input {
  width: auto;
  margin: 0;
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.message {
  margin-top: 16px;
  padding: 12px;
  border-radius: var(--radius);
  font-size: 14px;
}

.message.success {
  background: rgba(34, 197, 94, 0.15);
  color: #86efac;
}

.message.error {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
}

.empty-state {
  padding: 24px 20px;
  color: var(--text-muted);
}

@media (max-width: 960px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .grid.two,
  .grid.three {
    grid-template-columns: 1fr;
  }

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