/**
 * Timeline Scheduler Styles - Theme Based
 * Supports custom themes via CSS custom properties
 */

/* Default Theme - CSS Custom Properties */
.xp-timeline-scheduler {
  /* Layout */
  --xp-hour-width: 200px;
  --xp-hour-count: 11;
  --xp-label-width: 200px;
  --xp-row-height: 170px;
  --xp-toolbar-bg: #121212;
  --xp-toolbar-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
  --xp-filter-dropdown-width: 260px;

  /* Colors - Background */
  --xp-bg: #121212;
  --xp-header-bg: #121212;
  --xp-corner-bg: #121212;
  --xp-row-bg: transparent;
  --xp-row-hover-bg: #121212;
  --xp-label-bg: #121212;
  --xp-track-bg: transparent;
  --xp-event-bg: linear-gradient(95.1deg, #313131 4.28%, #0F0F0F 97.62%);

  /* Colors - Text */
  --xp-header-color: #ffffff;
  --xp-label-color: #ffffff;
  --xp-event-color: #ffffff;
  --xp-event-time-color: #FBC105;
  --xp-empty-color: #999999;

  /* Colors - Borders */
  --xp-border-color: #FBC105;
  --xp-header-border-color: #FBC105;
  --xp-cell-border-color: #FBC105;
  --xp-event-border-color: #B3B3B3;

  /* Grid Lines */
  --xp-grid-line-color: #FBC105;

  /* Event Styling */
  --xp-event-border-radius: 15px;
  --xp-event-border-width: 1px;
  --xp-event-height: 160px;
  --xp-event-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  --xp-event-hover-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);

  /* Current Time Indicator */
  --xp-current-time-color: #FBC105;
  --xp-current-time-label-bg: #FBC105;
  --xp-current-time-label-color: #ffffff;

  /* Typography */
  --xp-font-family: inherit;
  --xp-header-font-size: 14px;
  --xp-header-font-weight: 600;
  --xp-label-font-size: 14px;
  --xp-label-font-weight: 500;
  --xp-event-title-font-size: 16px;
  --xp-event-title-font-weight: 500;
  --xp-event-time-font-size: 12px;

  /* Apply base styles */
  width: 100%;
  overflow: hidden;
  background: var(--xp-bg);
  border: 1px solid var(--xp-border-color);
  border-radius: 24px;
  font-family: var(--xp-font-family);
}

/* Wrapper */
.xp-timeline-wrapper {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  position: relative;
  scrollbar-color: #111111 #525252;
}

.xp-timeline-wrapper::-webkit-scrollbar {
  height: 18px;
}

.xp-timeline-wrapper::-webkit-scrollbar-thumb {
  background: #111111;
  border-radius: 99px;
}

.xp-timeline-grid {
  display: flex;
  flex-direction: column;
  width: fit-content;
  min-width: 100%;
}

.xp-calendar-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--xp-toolbar-bg);
  border-bottom: 1px solid var(--xp-header-border-color);
}

.xp-calendar-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.xp-calendar-nav__btn {
  border: 1px solid var(--xp-border-color);
  background: transparent;
  color: var(--xp-header-color);
  border-radius: 6px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  font-weight: 600;
}

.xp-calendar-nav__btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.xp-calendar-nav__label {
  font-weight: 600;
  color: var(--xp-header-color);
  min-width: 140px;
  text-align: center;
}

.xp-timeline-toolbar {
  display: flex;
  justify-content: flex-start;
  width: 100%;
  box-sizing: border-box;
  padding: 16px 20px 12px;
  background: var(--xp-toolbar-bg);
  border-bottom: 1px solid var(--xp-header-border-color);
}

.xp-timeline-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 12px;
  width: 100%;
}

.xp-timeline-filter {
  position: relative;
}

.xp-timeline-filter-trigger,
.xp-timeline-clear-filters {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--xp-border-color);
  border-radius: 999px;
  background: transparent;
  color: var(--xp-header-color);
  cursor: pointer;
  font: inherit;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.xp-timeline-filter-trigger:hover,
.xp-timeline-clear-filters:hover {
  background: rgba(255, 255, 255, 0.08);
}

.xp-timeline-filter.has-value .xp-timeline-filter-trigger {
  background: #fbc105;
  color: #121212;
}

.xp-timeline-clear-filters:disabled {
  opacity: 0.45;
  cursor: default;
}

.xp-timeline-filter-label {
  white-space: nowrap;
}

.xp-timeline-filter-arrow {
  transition: transform 0.3s ease;
}

.xp-timeline-filter.is-open .xp-timeline-filter-arrow {
  transform: rotate(180deg);
}

.xp-timeline-filter-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: var(--xp-filter-dropdown-width);
  max-width: min(320px, calc(100vw - 32px));
  max-height: 320px;
  overflow-y: auto;
  padding: 16px;
  border: 1px solid var(--xp-border-color);
  border-radius: 20px;
  background: var(--xp-bg);
  box-shadow: var(--xp-toolbar-shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
  z-index: 10;
}

.xp-timeline-filter.is-open .xp-timeline-filter-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.xp-timeline-filter-options {
  margin: 0;
  padding: 0;
  list-style: none;
}

.xp-timeline-filter-option {
  text-align: left !important;
}

.xp-timeline-filter-option + .xp-timeline-filter-option {
  margin-top: 12px;
}

.xp-timeline-filter-option-label {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--xp-event-color);
  cursor: pointer;
}

.xp-timeline-filter-option-label input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.xp-timeline-filter-checkmark {
  position: relative;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border: 1px solid var(--xp-border-color);
  border-radius: 6px;
}

.xp-timeline-filter-checkmark::after {
  content: '';
  position: absolute;
  top: 4px;
  left: 7px;
  width: 5px;
  height: 10px;
  border: solid #121212;
  border-width: 0 2px 2px 0;
  opacity: 0;
  transform: rotate(45deg);
}

.xp-timeline-filter-option-label input:checked + .xp-timeline-filter-checkmark {
  background: #fbc105;
  border-color: #fbc105;
}

.xp-timeline-filter-option-label input:checked + .xp-timeline-filter-checkmark::after {
  opacity: 1;
}

.xp-timeline-filter-option-text {
  line-height: 1.4;
}

/* Header */
.xp-timeline-header {
  display: grid;
  grid-template-columns: var(--xp-label-width);
  grid-auto-flow: column;
  grid-auto-columns: var(--xp-hour-width);
  border-bottom: 1px solid var(--xp-header-border-color);
  background: var(--xp-header-bg);
}

.xp-timeline-corner {
  padding: 12px;
  font-weight: var(--xp-header-font-weight);
  border-right: 1px solid var(--xp-border-color);
  background: var(--xp-corner-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: sticky;
  left: 0;
  z-index: 4;
  color: var(--xp-header-color);
}

.xp-timeline-hour-cell {
  padding: 12px 8px;
  text-align: left;
  font-weight: var(--xp-header-font-weight);
  font-size: var(--xp-header-font-size);
  border-right: 1px solid var(--xp-cell-border-color);
  background: var(--xp-header-bg);
  color: var(--xp-header-color);
}

.xp-timeline-hour-cell:last-child {
  border-right: none;
}

/* Body */
.xp-timeline-body {
  display: flex;
  flex-direction: column;
}

.xp-timeline-row {
  display: grid;
  grid-template-columns: var(--xp-label-width);
  grid-auto-flow: column;
  grid-auto-columns: var(--xp-hour-width);
  border-bottom: 1px solid var(--xp-cell-border-color);
  min-height: var(--xp-row-height);
  background: var(--xp-row-bg);
}

.xp-timeline-row:last-child {
  border-bottom: none;
}

.xp-timeline-row:hover {
  background: var(--xp-row-hover-bg);
}

.xp-timeline-row-label {
  padding: 16px 12px;
  font-weight: var(--xp-label-font-weight);
  font-size: var(--xp-label-font-size);
  border-right: 1px solid var(--xp-border-color);
  display: flex;
  align-items: center;
  text-transform: uppercase;
  background: var(--xp-label-bg);
  color: var(--xp-label-color);
  overflow: hidden;
  text-overflow: ellipsis;
  position: sticky;
  left: 0;
  z-index: 9;
}

/* Track - where events are positioned */
.xp-timeline-track {
  position: relative;
  min-width: calc(var(--xp-hour-count) * var(--xp-hour-width));
  padding: 8px 0;
  background: var(--xp-track-bg);
  background-image: repeating-linear-gradient(
    to right,
    transparent,
    transparent calc(var(--xp-hour-width) - 1px),
    var(--xp-grid-line-color) calc(var(--xp-hour-width) - 1px),
    var(--xp-grid-line-color) var(--xp-hour-width)
  );
}

/* Event blocks */
.xp-timeline-event {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  height: var(--xp-event-height);
  background: var(--xp-event-bg);
  border-radius: var(--xp-event-border-radius);
  border: var(--xp-event-border-width) solid var(--xp-event-border-color);
  padding: 12px 10px;
  margin-left: 4px;
  color: var(--xp-event-color);
  overflow: hidden;
  box-shadow: var(--xp-event-shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 5px;
  min-width: 60px;
}

.xp-timeline-event:hover {
  transform: translateY(calc(-50% - 1px));
  box-shadow: var(--xp-event-hover-shadow);
  z-index: 5;
}

.xp-timeline-event-title {
  font-weight: var(--xp-event-title-font-weight);
  font-size: var(--xp-event-title-font-size);
  line-height: 1.2;
  text-transform: uppercase;
}

.xp-timeline-event-speakers {
  font-size: 12px;
  opacity: 0.8;
  line-height: 1.2;
}

.xp-timeline-event-time {
  font-size: var(--xp-event-time-font-size);
  opacity: 0.9;
  color: var(--xp-event-time-color);
  letter-spacing: 1px;
}

.xp-timeline-event-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 3px;
}

.xp-timeline-event-tag {
  display: inline-block;
  padding: 1px 7px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  font-size: 10px;
  line-height: 1.4;
  white-space: nowrap;
  opacity: 0.85;
}

.xp-timeline-event--narrow .xp-timeline-event-title {
  font-size: 12px;
  word-break: break-word;
}

.xp-timeline-event--compact .xp-timeline-event-title {
  font-size: 10px;
  word-break: break-word;
}
.xp-timeline-event--compact .xp-timeline-event-time {
  font-size: 10px;
  letter-spacing: 0;
}

.xp-timeline-event--compact .xp-timeline-event-speakers,
.xp-timeline-event--compact .xp-timeline-event-tags {
  display: none;
}

/* Current Time Indicator */
.xp-timeline-current-time {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  pointer-events: none;
  z-index: 3;
}

.xp-timeline-current-time-line {
  position: absolute;
  top: 10px;
  bottom: 0;
  left: 0;
  width: 1px;
  background: var(--xp-current-time-color);
}

.xp-timeline-current-time-label {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--xp-current-time-label-bg);
  color: black;
  padding: 4px 8px 2px;
  border-radius: 15px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

/* Empty state */
.xp-timeline-empty {
  padding: 40px;
  text-align: center;
  color: var(--xp-empty-color);
  font-style: italic;
}

/* Loading Skeleton */
.xp-timeline-skeleton {
  min-height: clamp(360px, 60vh, 760px);
  width: 100%;
  border-radius: 24px;
  background: linear-gradient(
    90deg,
    #2a2a2a 0%,
    #1b1b1b 35%,
    #2f2f2f 50%,
    #1b1b1b 65%,
    #2a2a2a 100%
  );
  background-size: 240% 100% !important;
  animation: xp-skeleton-shimmer 1.5s ease-in-out infinite;
}

/* Skeleton Animation */
@keyframes xp-skeleton-shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Skeleton Light Theme */
[data-skeleton-theme="light"] .xp-timeline-skeleton {
  background: linear-gradient(
    90deg,
    #f2f2f2 0%,
    #e5e5e5 35%,
    #f7f7f7 50%,
    #e5e5e5 65%,
    #f2f2f2 100%
  );
}

/* Error State */
.xp-timeline-scheduler--error {
  background: #fff;
}

.xp-timeline-error {
  padding: 60px 20px;
  text-align: center;
  color: #d32f2f;
  font-size: 16px;
}

.xp-timeline-error p {
  margin: 0;
  font-weight: 500;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .xp-timeline-scheduler {
    --xp-hour-width: 120px;
    --xp-label-width: 100px;
    --xp-filter-dropdown-width: min(280px, calc(100vw - 32px));
  }

  .xp-timeline-toolbar {
    justify-content: stretch;
    padding: 16px;
  }

  .xp-timeline-filters {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 10px;
  }

  .xp-timeline-filter {
    width: 100%;
  }

  .xp-timeline-filter-trigger,
  .xp-timeline-clear-filters {
    width: 100%;
    justify-content: space-between;
    min-height: 40px;
    padding: 0 14px;
  }

  .xp-timeline-filter-dropdown {
    left: 0;
    right: auto;
  }

  .xp-timeline-row-label {
    text-transform: uppercase;
    padding: 12px 8px;
    font-size: 13px;
  }

  .xp-timeline-hour-cell {
    padding: 12px 4px;
    font-size: 12px;
  }

  .xp-timeline-event {
    height: 120px;
    padding: 6px;
  }

  .xp-timeline-event-title {
    font-size: 12px;
  }

  .xp-timeline-event-time {
    font-size: 10px;
  }
}