:root {
  color-scheme: light;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: radial-gradient(circle at top left, #eef2ff, #e2e8f0);
  color: #0f172a;
}

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

html, body {
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden; /* prevent page scroll; panels handle their own */
}

/* When a modal is open on mobile, prevent background scroll */
body.modal-open {
  overflow: hidden !important;
}

/* Disclaimer modal overlay */
.disclaimer-overlay[hidden] {
  display: none !important;
}

.disclaimer-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(3px);
  padding: 1rem;
}

.disclaimer-card {
  width: min(720px, 100%);
  background: #ffffff;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.25);
  overflow: hidden;
}

.disclaimer-card__header {
  padding: 1rem 1.25rem 0.5rem;
}

.disclaimer-card__header h2 {
  margin: 0;
  color: #111827;
}

.disclaimer-card__content {
  padding: 0 1.25rem 0.75rem;
  color: #334155;
  line-height: 1.5;
}

.disclaimer-card__actions {
  padding: 0 1.25rem 1.25rem;
  display: flex;
  justify-content: flex-end;
}

.disclaimer-accept-btn {
  appearance: none;
  border: 1px solid rgba(99, 102, 241, 0.55);
  background: linear-gradient(180deg, #6366f1 0%, #4f46e5 100%);
  color: #ffffff;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(99, 102, 241, 0.25);
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.disclaimer-accept-btn:hover,
.disclaimer-accept-btn:focus-visible {
  filter: brightness(1.05);
  box-shadow: 0 12px 24px rgba(99, 102, 241, 0.28);
  outline: none;
}

.disclaimer-accept-btn:active {
  transform: translateY(1px);
}

/* Mobile event details modal */
.mobile-modal[hidden] {
  display: none !important;
}

.mobile-modal {
  position: fixed;
  inset: 0;
  z-index: 9998; /* below disclaimer (9999) */
  display: grid;
  grid-template-rows: 1fr;
}

.mobile-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(2px);
}

.mobile-modal__sheet {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: #ffffff;
  border-top-left-radius: 18px;
  border-top-right-radius: 18px;
  box-shadow: 0 -12px 32px rgba(15, 23, 42, 0.25);
  max-height: 75vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.mobile-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.mobile-modal__header h2 {
  margin: 0;
  font-size: 1rem;
}

.mobile-modal__close {
  appearance: none;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: #ffffff;
  color: #0f172a;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.mobile-modal__content {
  padding: 0.75rem 1rem 1rem;
  overflow: auto;
}

#root {
  min-height: 100vh;
}

.app-shell {
  display: block;
  height: 100vh;
  background: radial-gradient(circle at 0% 100%, rgba(99, 102, 241, 0.15), transparent 60%),
    radial-gradient(circle at 100% 0%, rgba(56, 189, 248, 0.15), transparent 55%);
}

.app-card {
  width: 100vw;
  height: 100vh;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: blur(12px);
  border: 0;
  padding: 1rem;
  display: grid;
  grid-template-columns: minmax(480px, 60%) minmax(380px, 40%);
  grid-template-rows: 1fr;
  gap: 1rem;
  align-items: stretch;
}

/* Hide the external heading to keep a clean two-pane full-height layout */
.app-heading {
  display: none;
}

.app-heading h1 {
  font-size: clamp(1.75rem, 2.2vw, 2.3rem);
  margin: 0;
  color: #0f172a;
}

.app-heading p {
  margin: 0;
  color: #475569;
  font-size: 1rem;
}

.calendar-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: 100%;
  overflow: hidden; /* keep grid contained */
}

.loading-notice,
.error-notice {
  text-align: center;
  padding: 3rem 1rem;
  border-radius: 18px;
  border: 1px dashed rgba(148, 163, 184, 0.5);
  color: #475569;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.error-notice {
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.45);
  background: rgba(254, 226, 226, 0.3);
}

.calendar {
  display: grid;
  grid-template-rows: auto 1fr; /* heading + grid */
  gap: 1rem;
  height: 100%;
}

.calendar__heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.calendar__controls {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.calendar__title {
  margin: 0;
}

.calendar__nav-btn {
  appearance: none;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: #ffffff;
  color: #0f172a;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}

.calendar__nav-btn:hover,
.calendar__nav-btn:focus-visible {
  border-color: rgba(99, 102, 241, 0.55);
  box-shadow: 0 8px 16px rgba(99, 102, 241, 0.18);
  outline: none;
}

.calendar__nav-btn:active {
  transform: translateY(1px);
}

.calendar__heading h2 {
  margin: 0;
  font-size: clamp(1.4rem, 1.8vw, 1.75rem);
  color: #111827;
}

.calendar__heading p {
  margin: 0;
  color: #6366f1;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.calendar__grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  grid-template-rows: auto; /* header row only; weeks are implicit */
  grid-auto-rows: 1fr; /* all week rows share available height */
  gap: 0.55rem;
  background: rgba(226, 232, 240, 0.35);
  padding: 1rem;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  height: 100%;
  align-items: stretch;
}

.calendar__weekday {
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 600;
  color: #64748b;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-bottom: 0.25rem;
}

.calendar__day {
  position: relative;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  border: 1px solid transparent;
  min-height: 0; /* let the grid decide the height */
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  text-align: left;
  overflow: hidden; /* ensure content doesn't spill outside cell */
}

.calendar__day:hover,
.calendar__day:focus-visible,
.calendar__day--active {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: 0 16px 32px rgba(99, 102, 241, 0.18);
  outline: none;
}

.calendar__day--muted {
  background: rgba(248, 250, 252, 0.7);
  color: #94a3b8;
  cursor: default;
}

.calendar__day--muted:hover {
  transform: none;
  border-color: transparent;
  box-shadow: none;
}

.calendar__day--highlight {
  border-color: rgba(59, 130, 246, 0.35);
}

/* Gentle emphasis for today */
.calendar__day--today {
  box-shadow: inset 0 0 0 2px rgba(16, 185, 129, 0.18), 0 10px 20px rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.35);
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.06), rgba(255, 255, 255, 0.85));
}

.calendar__day--today .calendar__date {
  color: #065f46;
}

.calendar__date {
  font-size: 1.1rem;
  font-weight: 600;
  color: #0f172a;
}

/* Date row container and inline weekday (hidden by default) */
.calendar__datebar {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  width: 100%;
}

.calendar__weekday-inline {
  display: none; /* only show on very small screens */
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #64748b;
}

.calendar__events {
  display: grid;
  grid-auto-rows: min-content;
  gap: 0.3rem;
  width: 100%;
  overflow: hidden;
}

.calendar__event-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.5rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(59, 130, 246, 0.18));
  color: #312e81;
  font-size: 0.75rem;
  font-weight: 600;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.calendar__more {
  font-size: 0.75rem;
  color: #2563eb;
  font-weight: 600;
}

.event-panel {
  background: rgba(241, 245, 249, 0.6);
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  padding: 1.25rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background 0.2s ease, border-color 0.2s ease;
  overflow: hidden; /* list inside will scroll */
}

.event-panel--empty {
  align-items: center;
  text-align: center;
  color: #64748b;
  border-style: dashed;
}

.event-panel__placeholder {
  text-align: center;
  color: #64748b;
}

.event-panel__placeholder h2 {
  margin: 0 0 0.25rem;
  font-size: 1.15rem;
}

.event-panel__placeholder p {
  margin: 0;
}

.event-panel__header {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.event-panel__header h2 {
  margin: 0;
  font-size: 1.25rem;
  color: #1e293b;
}

.event-panel__header span {
  color: #64748b;
  font-size: 0.95rem;
}

.event-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  overflow: auto; /* scroll day details when long */
  flex: 1 1 auto; /* take remaining height under header */
}

.event-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  box-shadow: 0 8px 16px rgba(148, 163, 184, 0.18);
}

.event-card__source {
  font-size: 0.7rem;
  color: #4338ca;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.event-card__title {
  font-weight: 600;
  color: #0f172a;
}

.event-card__meta {
  font-size: 0.85rem;
  color: #475569;
}

.event-card__insights {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding-top: 0.4rem;
  border-top: 1px dashed rgba(148, 163, 184, 0.35);
  margin-top: 0.2rem;
}

.event-card__insight {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.event-card__insight-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #475569;
}

.event-card__insight-value {
  font-size: 0.85rem;
  font-weight: 500;
  color: #0f172a;
}

.event-card__insight--meter {
  align-items: flex-start;
  flex-direction: column;
  gap: 0.5rem;
}

.ease-meter {
  position: relative;
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, #ef4444 0%, #f59e0b 50%, #22c55e 100%);
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.08);
}

.ease-meter__marker {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #0f172a;
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.25);
}

.event-card__link {
  align-self: flex-start;
  font-size: 0.85rem;
  color: #2563eb;
  text-decoration: none;
  font-weight: 600;
}

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

@media (max-width: 768px) {
  /* Turn layout into a natural, scrollable page */
  html,
  body {
    height: auto;
  }

  body {
    overflow-y: auto; /* allow page scroll on mobile */
  }

  .app-shell {
    height: auto;
    min-height: 100vh; /* still cover the viewport */
  }

  .app-card {
    grid-template-columns: 1fr; /* stack on small screens */
    grid-template-rows: auto; /* rows grow naturally */
    height: auto; /* remove fixed viewport height */
    width: 100%; /* avoid 100vw horizontal overflow with scrollbars */
    padding: 0.75rem;
    gap: 0.75rem;
  }

  .app-heading {
    display: block; /* show heading on small screens */
    margin: 0 0 0.25rem 0;
  }

  .calendar-wrapper {
    height: auto; /* let content size naturally */
    overflow: visible; /* use page scroll instead */
  }

  .calendar {
    grid-template-rows: auto auto; /* heading + grid sized by content */
    height: auto;
  }

  .calendar__grid {
    height: auto; /* grid grows; no internal scroll container */
    gap: 0.4rem;
    padding: 0.75rem;
  }

  .calendar__day {
    min-height: 0; /* still let grid define height */
    padding: 0.5rem;
  }

  .event-panel {
    height: auto; /* grow with content */
    overflow: visible; /* use page scroll */
  }

  .event-panel__list {
    flex: 0 0 auto; /* don't try to fill remaining height */
    max-height: none;
    overflow: visible; /* content contributes to page height */
  }
}

/* Ultra-small screens: agenda-like list view */
@media (max-width: 420px) {
  .calendar__heading {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .calendar__heading h2 {
    font-size: 1.25rem; /* slightly smaller title */
  }

  .calendar__controls {
    justify-content: space-between;
    width: 100%;
  }

  .calendar__nav-btn {
    width: 40px;
    height: 40px; /* larger tap target */
  }

  .calendar__grid {
    display: flex;            /* turn grid into a vertical list */
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.5rem;          /* tighter padding */
  }

  .calendar__weekday {
    display: none;            /* hide header row labels */
  }

  .calendar__day {
    padding: 0.75rem;         /* larger tap area per day */
    transform: none;          /* avoid jumpy hover transforms on touch */
  }

  .calendar__day:hover,
  .calendar__day:focus-visible,
  .calendar__day--active {
    transform: none;          /* keep highlight via border/shadow only */
  }

  .calendar__date {
    font-size: 1.2rem;
  }

  .calendar__event-chip {
    font-size: 0.8rem;        /* improve readability in tight space */
  }

  /* Show weekday inside each day on ultra-small screens */
  .calendar__weekday-inline {
    display: inline-block;
  }

  /* Hide the fixed panel only if modal exists */
  body.has-mobile-modal .event-panel {
    display: none !important;
  }
}