:root {
  color-scheme: light;
  --page: #f6f7f4;
  --surface: #ffffff;
  --surface-muted: #eef4f1;
  --border: #d8ded9;
  --text: #1f2a2e;
  --muted: #667176;
  --primary: #166b52;
  --primary-hover: #10543f;
  --delete: #b64034;
  --delete-hover: #973329;
  --focus: #d99c3b;
  --shadow: 0 18px 50px rgba(31, 42, 46, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--page);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

button,
a {
  font: inherit;
}

.app-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0;
}

.topbar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: stretch;
}

.primary-button {
  min-height: 74px;
  border: 0;
  border-radius: 8px;
  padding: 0 28px;
  background: var(--primary);
  color: #ffffff;
  cursor: pointer;
  font-weight: 750;
  letter-spacing: 0;
  box-shadow: var(--shadow);
}

.primary-button:hover {
  background: var(--primary-hover);
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.source-box {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 15px 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.source-box p {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.source-box a {
  display: block;
  overflow-wrap: anywhere;
  color: var(--primary);
  font-weight: 650;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.message {
  min-height: 28px;
  margin: 18px 0 12px;
  color: var(--muted);
  font-weight: 650;
}

.message.error {
  color: var(--delete);
}

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

.event-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  background: var(--surface);
  box-shadow: 0 10px 30px rgba(31, 42, 46, 0.06);
}

.event-data {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.event-field:first-child {
  grid-column: span 2;
}

.field-label {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.field-value {
  display: block;
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 650;
  line-height: 1.42;
  overflow-wrap: anywhere;
}

.event-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.secondary-button,
.delete-button {
  min-height: 38px;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0 14px;
  cursor: pointer;
  font-weight: 750;
  letter-spacing: 0;
  white-space: nowrap;
}

.secondary-button {
  border-color: #bfd1ca;
  background: var(--surface-muted);
  color: var(--primary);
}

.secondary-button:hover {
  border-color: var(--primary);
}

.delete-button {
  background: var(--delete);
  color: #ffffff;
}

.delete-button:hover {
  background: var(--delete-hover);
}

.primary-button:focus-visible,
.secondary-button:focus-visible,
.delete-button:focus-visible,
.source-box a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 5;
  transform: translateY(18px);
  opacity: 0;
  pointer-events: none;
  border-radius: 8px;
  padding: 12px 15px;
  background: #202a2d;
  color: #ffffff;
  font-weight: 750;
  box-shadow: 0 16px 42px rgba(31, 42, 46, 0.22);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.toast.visible {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 860px) {
  .topbar,
  .event-card,
  .event-data {
    grid-template-columns: 1fr;
  }

  .primary-button {
    width: 100%;
  }

  .event-field:first-child {
    grid-column: auto;
  }

  .event-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .app-shell {
    width: min(100% - 20px, 1120px);
    padding: 18px 0;
  }

  .event-card,
  .source-box {
    padding: 14px;
  }

  .event-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .secondary-button,
  .delete-button {
    width: 100%;
  }
}