:root {
  --calendar-bg: #f3f6fb;
  --calendar-surface: #ffffff;
  --calendar-border: #d4deee;
  --calendar-primary: #5ca0d3;
  --calendar-primary-dark: #3f79a2;
  --calendar-muted: #5f6c7b;
  --calendar-radius: 16px;
  --calendar-shadow: 0 20px 60px rgba(15, 46, 81, 0.08);
}

body {
  background: radial-gradient(circle at top left, rgba(92, 160, 211, 0.25), transparent 50%),
    radial-gradient(circle at top right, rgba(102, 194, 176, 0.2), transparent 45%),
    var(--calendar-bg);
  color: #141a26;
  font-family: 'Poppins', sans-serif;
  margin: 0;
  min-height: 100vh;
  padding: 40px 20px 80px;
}

.calendar-header {
  margin: 0 auto 40px;
  max-width: 1100px;
  text-align: center;
}

.calendar-header__back {
  color: var(--calendar-primary-dark);
  display: inline-block;
  font-weight: 500;
  margin-bottom: 10px;
  text-decoration: none;
}

.calendar-header__title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin: 0;
}

.calendar-header__subtitle {
  color: var(--calendar-muted);
  font-size: 1.1rem;
  margin: 10px auto 0;
  max-width: 720px;
}

.calendar-shell {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin: 0 auto;
  max-width: 1100px;
}

.panel {
  background: var(--calendar-surface);
  border: 1px solid rgba(212, 222, 238, 0.6);
  border-radius: var(--calendar-radius);
  box-shadow: var(--calendar-shadow);
  padding: 32px;
}

.panel__header {
  align-items: flex-start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.panel__intro {
  color: var(--calendar-muted);
  margin: 0;
  max-width: 680px;
}

.connection-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.connection-card {
  border: 1px solid rgba(212, 222, 238, 0.8);
  border-radius: calc(var(--calendar-radius) - 6px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
}

.connection-card__header {
  align-items: flex-start;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.connection-card__status {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 12px;
}

.connection-card__status[data-connected="false"] {
  background: rgba(92, 160, 211, 0.1);
  color: var(--calendar-primary-dark);
}

.connection-card__status[data-connected="true"] {
  background: rgba(102, 194, 176, 0.2);
  color: #166e5c;
}

.connection-card__form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.connection-card__actions {
  display: flex;
  gap: 10px;
}

.connection-card__details {
  color: var(--calendar-muted);
  font-size: 0.95rem;
}

.connection-card__details summary {
  color: var(--calendar-primary-dark);
  cursor: pointer;
  font-weight: 600;
}

.connection-card__details ol {
  margin: 12px 0 0 20px;
  padding: 0;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field__label {
  color: #1b2433;
  font-size: 0.95rem;
  font-weight: 600;
}

.field__help {
  color: var(--calendar-muted);
  font-size: 0.9rem;
  margin: 0;
}

input,
select,
textarea,
button {
  border: 1px solid var(--calendar-border);
  border-radius: 12px;
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  padding: 12px 14px;
}

textarea {
  resize: vertical;
}

button {
  background: var(--calendar-primary);
  border: none;
  color: white;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.2s ease;
}

button:hover {
  background: var(--calendar-primary-dark);
  transform: translateY(-1px);
}

.button-secondary {
  background: rgba(92, 160, 211, 0.12);
  color: var(--calendar-primary-dark);
}

.button-secondary:hover {
  background: rgba(92, 160, 211, 0.22);
}

.sync-controls {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.sync-controls__group {
  border: 1px solid rgba(212, 222, 238, 0.8);
  border-radius: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
  padding: 16px;
}

.sync-controls__group legend {
  font-weight: 600;
  padding: 0 6px;
}

.sync-controls__actions {
  display: flex;
  gap: 12px;
}

.chip {
  align-items: center;
  background: rgba(92, 160, 211, 0.12);
  border-radius: 999px;
  color: var(--calendar-primary-dark);
  cursor: pointer;
  display: inline-flex;
  font-weight: 600;
  gap: 6px;
  padding: 4px 14px;
}

.chip input {
  accent-color: var(--calendar-primary);
}

.event-results {
  border: 1px dashed rgba(212, 222, 238, 0.8);
  border-radius: 14px;
  margin-top: 24px;
  min-height: 140px;
  padding: 20px;
}

.calendar-view {
  background: rgba(92, 160, 211, 0.05);
  border: 1px solid rgba(212, 222, 238, 0.8);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
  padding: 24px;
}

.calendar-view__header {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
}

.calendar-view__subtitle {
  color: var(--calendar-muted);
  font-size: 0.9rem;
  margin: 6px 0 0;
}

.calendar-view__controls {
  display: inline-flex;
  gap: 10px;
}

.calendar-view__current {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
}

.calendar-view__grid {
  display: grid;
  gap: 12px;
}

.calendar-view__day-names {
  color: var(--calendar-muted);
  display: grid;
  font-size: 0.8rem;
  font-weight: 600;
  gap: 8px;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  text-transform: uppercase;
}

.calendar-view__day-name {
  align-items: center;
  display: flex;
  justify-content: center;
}

.calendar-view__days {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.calendar-view__day {
  background: white;
  border: 1px solid rgba(212, 222, 238, 0.9);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 110px;
  padding: 12px;
  position: relative;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.calendar-view__day:hover {
  box-shadow: 0 12px 24px rgba(15, 46, 81, 0.08);
  transform: translateY(-2px);
}

.calendar-view__day--muted {
  opacity: 0.5;
}

.calendar-view__day--today {
  border-color: var(--calendar-primary);
  box-shadow: 0 0 0 2px rgba(92, 160, 211, 0.2);
}

.calendar-view__day--has-events {
  background: rgba(92, 160, 211, 0.08);
}

.calendar-view__date {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
}

.calendar-view__events {
  display: flex;
  flex-direction: column;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.calendar-view__event {
  background: rgba(92, 160, 211, 0.15);
  border-radius: 10px;
  color: var(--calendar-primary-dark);
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0;
  padding: 6px 8px;
}

.calendar-view__event-time {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
}

.calendar-view__more {
  color: var(--calendar-muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.event-results__empty {
  color: var(--calendar-muted);
  margin: 0;
  text-align: center;
}

.event-results__list {
  display: grid;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.event-card {
  background: rgba(92, 160, 211, 0.08);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
}

.event-card__header {
  align-items: baseline;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.event-card__provider {
  background: rgba(92, 160, 211, 0.15);
  border-radius: 999px;
  color: var(--calendar-primary-dark);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  text-transform: uppercase;
}

.event-card__meta {
  display: grid;
  gap: 6px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  margin: 0;
}

.event-card__meta dt {
  color: var(--calendar-muted);
  font-size: 0.8rem;
  margin: 0 0 4px;
  text-transform: uppercase;
}

.event-card__meta dd {
  margin: 0;
}

.event-card__description {
  color: #1f2d3d;
  margin: 0;
  white-space: pre-wrap;
}

.event-card__link {
  color: var(--calendar-primary-dark);
  font-weight: 600;
  text-decoration: none;
}

.event-card__link:hover {
  text-decoration: underline;
}

.event-card__footer {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
}

.event-card__delete {
  font-size: 0.9rem;
  padding: 10px 16px;
}

.create-event-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.create-event-form__row {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.create-event-form__sync {
  border: 1px solid rgba(212, 222, 238, 0.8);
  border-radius: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
  padding: 16px;
}

.create-event-form__sync legend {
  font-weight: 600;
  padding: 0 6px;
}

.create-event-form__sync p {
  color: var(--calendar-muted);
  flex-basis: 100%;
  font-size: 0.9rem;
  margin: 0;
}

.log {
  background: rgba(20, 26, 38, 0.75);
  border-radius: 14px;
  color: white;
  font-family: 'Poppins', sans-serif;
  font-size: 0.95rem;
  margin-top: 18px;
  padding: 16px;
  white-space: pre-wrap;
}

@media (max-width: 720px) {
  body {
    padding: 24px 16px 60px;
  }

  .panel {
    padding: 24px;
  }

  .calendar-header__subtitle {
    font-size: 1rem;
  }

  .calendar-view {
    padding: 20px;
  }

  .calendar-view__days {
    gap: 8px;
  }
}