Calendar/wwwroot/css/calendar-v2.css

:root {
  --hour-height: 64px;
  --time-axis-width: 60px;
  --grid-columns: 7;
  --day-column-min-width: 200px;
  --day-start-hour: 6;
  --day-end-hour: 18;
  --header-height: 70px;
  --color-border: #e0e0e0;
  --color-surface: #fff;
  --color-text-secondary: #666;
  --color-primary: #1976d2;
  --color-hour-line: rgba(0, 0, 0, 0.2);
  --color-grid-line-light: rgba(0, 0, 0, 0.05);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f5f5f5;
}

.calendar-wrapper {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

swp-calendar {
  display: grid;
  grid-template-rows: auto 1fr;
  height: 100%;
  background: var(--color-surface);
}

/* Nav */
swp-calendar-nav {
  display: flex;
  gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  align-items: center;
}

swp-nav-button {
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  cursor: pointer;
  background: var(--color-surface);

  &:hover { background: #f0f0f0; }
}

swp-week-info {
  margin-left: auto;
  text-align: right;

  swp-week-number {
    font-weight: 600;
    display: block;
  }

  swp-date-range {
    font-size: 12px;
    color: var(--color-text-secondary);
  }
}

/* Container */
swp-calendar-container {
  display: grid;
  grid-template-columns: var(--time-axis-width) 1fr;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  height: 100%;
}

/* Time axis */
swp-time-axis {
  grid-column: 1;
  grid-row: 1 / 3;
  display: grid;
  grid-template-rows: auto 1fr;
  border-right: 1px solid var(--color-border);
  background: var(--color-surface);
  overflow: hidden;
}

swp-header-spacer {
  border-bottom: 1px solid var(--color-border);
}

swp-header-drawer {
  display: block;
  height: 0;
  overflow: hidden;
  background: #fafafa;
  border-bottom: 1px solid var(--color-border);
}

swp-time-axis-content {
  display: flex;
  flex-direction: column;
  position: relative;
}

swp-hour-marker {
  height: var(--hour-height);
  padding: 4px 8px;
  font-size: 11px;
  color: var(--color-text-secondary);
  text-align: right;
  position: relative;

  &::after {
    content: '';
    position: absolute;
    top: -1px;
    right: 0;
    width: 5px;
    height: 1px;
    background: var(--color-hour-line);
  }

  &:first-child::after {
    display: none;
  }
}

/* Grid container */
swp-grid-container {
  grid-column: 2;
  grid-row: 1 / 3;
  display: grid;
  grid-template-rows: subgrid;
  overflow: hidden;
}

/* Viewport/Track for slide animation */
swp-header-viewport {
  overflow: hidden;
}

swp-content-viewport {
  overflow: hidden;
  min-height: 0; /* Tillader at krympe i grid */
}

swp-header-track {
  display: flex;

  > swp-calendar-header { flex: 0 0 100%; }
}

swp-content-track {
  display: flex;
  height: 100%;

  > swp-scrollable-content {
    flex: 0 0 100%;
    height: 100%;
  }
}

/* Header */
swp-calendar-header {
  display: grid;
  grid-template-columns: repeat(var(--grid-columns), minmax(var(--day-column-min-width), 1fr));
  min-width: calc(var(--grid-columns) * var(--day-column-min-width));
  grid-auto-rows: auto;
  background: var(--color-surface);
  overflow-y: scroll;
  overflow-x: hidden;

  &::-webkit-scrollbar { background: transparent; }
  &::-webkit-scrollbar-thumb { background: transparent; }

  &[data-levels="date"] > swp-day-header { grid-row: 1; }

  &[data-levels="resource date"] {
    > swp-resource-header { grid-row: 1; }
    > swp-day-header { grid-row: 2; }
  }

  &[data-levels="team resource date"] {
    > swp-team-header { grid-row: 1; }
    > swp-resource-header { grid-row: 2; }
    > swp-day-header { grid-row: 3; }
  }
}

swp-day-header,
swp-resource-header,
swp-team-header {
  padding: 8px;
  text-align: center;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

swp-team-header {
  background: #e3f2fd;
  color: #1565c0;
  font-weight: 500;
}

swp-resource-header {
  background: #fafafa;
  font-size: 13px;
}

swp-day-header {
  swp-day-name {
    display: block;
    font-size: 11px;
    color: var(--color-text-secondary);
    text-transform: uppercase;
  }

  swp-day-date {
    display: block;
    font-size: 24px;
    font-weight: 300;
  }
}

/* Scrollable content */
swp-scrollable-content {
  display: block;
  overflow: auto;
}

swp-time-grid {
  display: block;
  position: relative;
  min-height: calc((var(--day-end-hour) - var(--day-start-hour)) * var(--hour-height));
  min-width: calc(var(--grid-columns) * var(--day-column-min-width));

  /* Timelinjer */
  &::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 2;
    background-image: repeating-linear-gradient(
      to bottom,
      transparent,
      transparent calc(var(--hour-height) - 1px),
      var(--color-hour-line) calc(var(--hour-height) - 1px),
      var(--color-hour-line) var(--hour-height)
    );
    pointer-events: none;
  }
}

/* Kvarterlinjer - 3 linjer per time (15, 30, 45 min), ikke ved timegrænsen */
swp-grid-lines {
  display: block;
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent calc(var(--hour-height) / 4 - 1px),
    var(--color-grid-line-light) calc(var(--hour-height) / 4 - 1px),
    var(--color-grid-line-light) calc(var(--hour-height) / 4),
    transparent calc(var(--hour-height) / 4),
    transparent calc(var(--hour-height) / 2 - 1px),
    var(--color-grid-line-light) calc(var(--hour-height) / 2 - 1px),
    var(--color-grid-line-light) calc(var(--hour-height) / 2),
    transparent calc(var(--hour-height) / 2),
    transparent calc(var(--hour-height) * 3 / 4 - 1px),
    var(--color-grid-line-light) calc(var(--hour-height) * 3 / 4 - 1px),
    var(--color-grid-line-light) calc(var(--hour-height) * 3 / 4),
    transparent calc(var(--hour-height) * 3 / 4),
    transparent var(--hour-height)
  );
}

swp-day-columns {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(var(--grid-columns), minmax(var(--day-column-min-width), 1fr));
  min-width: calc(var(--grid-columns) * var(--day-column-min-width));
}

swp-day-column {
  position: relative;
  border-right: 1px solid var(--color-border);
}

swp-events-layer {
  position: absolute;
  inset: 0;
}

/* Events */
swp-event {
  position: absolute;
  background: var(--color-primary);
  color: white;
  border-radius: 4px;
  padding: 4px 6px;
  font-size: 12px;
  overflow: hidden;

  swp-event-time {
    display: block;
    font-size: 10px;
    opacity: 0.9;
  }

  swp-event-title {
    display: block;
    font-weight: 500;
  }
}