:root {
  --page-bg: #e9e9ec;
  --card-bg: #fff;
  --surface: #fafafa;
  --surface-hover: #f5f5f7;
  --text-dark: #101113;
  --text-muted: #8a8a92;
  --line: #ececef;
  --grid-line: #ececef;
  --today-bg: #101113;
  --today-text: #fff;
  --shadow: rgba(0, 0, 0, 0.14);
  --pill-blue-bg: #eef2ff;
  --pill-blue-text: #4f5bd5;
  --pill-blue-dot: #5b6bf0;
  --pill-green-bg: #eafaf1;
  --pill-green-text: #1a9e6b;
  --pill-green-dot: #22c58b;
  --pill-pink-bg: #fdeef6;
  --pill-pink-text: #c23b8f;
  --pill-pink-dot: #e455ab;
  --pill-purple-bg: #f3eefc;
  --pill-purple-text: #7a4fd6;
  --pill-purple-dot: #9a6ff0;
  --radius-lg: 16px;
}

html.dark {
  --page-bg: #15130f;
  --card-bg: #1c1912;
  --surface: #221f17;
  --surface-hover: #2a261b;
  --text-dark: #f5f1ea;
  --text-muted: #a39a89;
  --line: rgba(255, 255, 255, 0.06);
  --grid-line: rgba(255, 255, 255, 0.035);
  --today-bg: #e8622c;
  --today-text: #fff;
  --shadow: rgba(0, 0, 0, 0.45);
  --pill-blue-bg: rgba(91, 107, 240, 0.18);
  --pill-blue-text: #a9b4ff;
  --pill-blue-dot: #7c8aff;
  --pill-green-bg: rgba(34, 197, 139, 0.16);
  --pill-green-text: #6fe3b4;
  --pill-green-dot: #35d69b;
  --pill-pink-bg: rgba(228, 85, 171, 0.16);
  --pill-pink-text: #f299d1;
  --pill-pink-dot: #ec6cbb;
  --pill-purple-bg: rgba(154, 111, 240, 0.18);
  --pill-purple-text: #c3aaf9;
  --pill-purple-dot: #ab84f5;
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family:
    "Inter",
    "Segoe UI",
    system-ui,
    -apple-system,
    sans-serif;
  background: var(--page-bg);
  color: var(--text-dark);
  -webkit-font-smoothing: antialiased;
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

.page-wrap {
  width: 100%;
  min-height: 100vh;
  padding: 24px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.save-indicator {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  color: var(--text-muted);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.save-indicator.show {
  opacity: 1;
}
.save-indicator .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pill-green-dot);
}

/* ============ CALENDAR CARD ============ */
.calendar-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  padding: 18px 20px 20px;
  width: 100%;
  max-width: 1080px;
  overflow: visible; /* important: don't clip the dropdown */
  position: relative;
}
.calendar-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
  position: relative;
  overflow: visible;
  z-index: 20; /* sit above FullCalendar's own stacking context */
}
.toolbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.date-badge {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 18px;
  color: var(--text-muted);
}
.date-badge-text {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.date-badge-day {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
}
.date-badge-month {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}
.range-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
  z-index: 20;
}
.btn-nav {
  width: 32px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--text-dark);
  cursor: pointer;
}
.btn-nav:hover {
  background: var(--surface-hover);
}
.btn-today {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card-bg);
  font-size: 13px;
  padding: 7px 14px;
  color: var(--text-dark);
  cursor: pointer;
}
.btn-today:hover {
  background: var(--surface-hover);
}
.btn-add-shift {
  display: flex;
  align-items: center;
  gap: 6px;
  border: none;
  border-radius: 8px;
  background: var(--today-bg);
  color: var(--today-text);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  cursor: pointer;
}
.btn-add-shift:hover {
  filter: brightness(1.08);
}

/* View dropdown */
.view-dropdown {
  position: relative;
  z-index: 30; /* highest in toolbar so its menu always sits on top */
}
.btn-view-select {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card-bg);
  font-size: 13px;
  padding: 7px 12px;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  position: relative;
  z-index: 31;
}
.btn-view-select:hover {
  background: var(--surface-hover);
}

.view-dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  list-style: none;
  margin: 0;
  padding: 6px;
  min-width: 150px;
  box-shadow: 0 12px 32px var(--shadow);
  z-index: 1000; /* well above FullCalendar's internal elements */
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition:
    opacity 0.12s ease,
    transform 0.12s ease,
    visibility 0.12s;
  pointer-events: none;
}
.view-dropdown-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}
.view-dropdown-menu li {
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-dark);
  user-select: none;
}
.view-dropdown-menu li:hover {
  background: var(--surface-hover);
}
.view-dropdown-menu li.active {
  background: var(--pill-blue-bg);
  color: var(--pill-blue-text);
  font-weight: 600;
}

/* ============ FULLCALENDAR OVERRIDES ============ */
#calendar {
  position: relative;
  z-index: 1;
  --fc-border-color: var(--grid-line);
  --fc-event-border-color: transparent;
  --fc-page-bg-color: var(--card-bg);
}
#calendar .fc-timegrid-event,
#calendar .fc-timegrid-event.fc-event-mirror,
#calendar .fc-daygrid-event.fc-event-mirror {
  box-shadow: none;
}
#calendar .fc {
  font-family: inherit;
}
#calendar .fc-theme-standard td,
#calendar .fc-theme-standard th,
#calendar .fc-scrollgrid,
#calendar .fc-scrollgrid-section > * {
  border-color: var(--grid-line);
}
#calendar .fc-timegrid-divider {
  border-color: var(--grid-line);
}
#calendar a {
  text-decoration: none;
}
#calendar .fc-col-header-cell {
  padding: 8px 0;
  text-align: left;
  background: var(--surface);
}
#calendar .fc-col-header-cell-cushion {
  color: var(--text-muted);
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  padding-left: 10px;
  text-decoration: none;
}
#calendar .fc-daygrid-day-frame {
  padding: 6px;
  min-height: 100px;
}
#calendar .fc-daygrid-day-number {
  font-size: 12.5px;
  color: var(--text-dark);
  padding: 4px 6px;
  text-decoration: none;
}
#calendar .fc-day-today {
  background: var(--surface) !important;
}
#calendar .fc-daygrid-day.fc-day-today .fc-daygrid-day-number {
  background: var(--today-bg);
  color: var(--today-text);
  border-radius: 6px;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 2px;
}
#calendar .fc-daygrid-day.fc-day-other .fc-daygrid-day-number {
  color: var(--text-muted);
  opacity: 0.55;
}
#calendar .fc-scrollgrid {
  border-radius: 10px;
  overflow: hidden;
}
#calendar .fc-event {
  border: none;
  background: transparent;
  padding: 0;
  margin-bottom: 3px !important;
}
#calendar .fc-daygrid-event-harness {
  margin-top: 2px;
}
#calendar .fc-more-link {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}
#calendar .fc-popover {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 12px 32px var(--shadow);
  overflow: hidden;
}
#calendar .fc-popover-header {
  background: var(--surface);
  color: var(--text-dark);
}
#calendar .fc-popover-close {
  color: var(--text-muted);
}
#calendar .fc-daygrid-day-events {
  margin-top: 0;
}
#calendar .fc-timegrid-slot-label {
  font-size: 11px;
  color: var(--text-muted);
}
#calendar .fc-timegrid-axis {
  font-size: 11px;
  color: var(--text-muted);
}
#calendar .fc-timegrid-col.fc-day-today {
  background: var(--surface);
}
#calendar .fc-timegrid-event {
  border-radius: 6px;
}

/* ============ RESOURCE TIMELINE (Week/Day staff-row view) ============ */
#calendar .fc-resource-timeline-divider {
  width: 2px;
  background: var(--grid-line);
}
#calendar .fc-datagrid-cell-frame,
#calendar .fc-datagrid-header .fc-datagrid-cell-frame {
  color: var(--text-dark);
  font-size: 12.5px;
}
#calendar .fc-datagrid-header {
  background: var(--surface);
}
#calendar .fc-datagrid-header .fc-datagrid-cell-cushion {
  color: var(--text-muted);
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
#calendar .fc-timeline-slot-cushion {
  color: var(--text-muted);
  font-size: 11px;
}
#calendar .fc-timeline-header-row .fc-cell-shaded,
#calendar .fc-timeline-header {
  background: var(--surface);
}
#calendar .fc-resource-timeline .fc-timeline-event {
  border-radius: 6px;
}
#calendar .fc-datagrid-cell-cushion {
  padding: 6px 10px;
}
#calendar .fc-timeline-now-indicator-line {
  border-color: var(--today-bg);
}
#calendar .fc-timeline-now-indicator-arrow {
  border-top-color: var(--today-bg);
}

.pill-event {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 500;
  border-radius: 6px;
  padding: 3px 7px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
}
.pill-event.timegrid {
  height: 100%;
  white-space: normal;
  align-items: flex-start;
  padding: 4px 6px;
}
.pill-event.resource {
  height: 100%;
  width: 100%;
  white-space: nowrap;
  align-items: center;
  padding: 3px 8px;
}
.pill-event.resource .pill-text {
  flex-direction: row;
  align-items: baseline;
  gap: 6px;
}
.pill-event.resource .pill-time {
  opacity: 0.7;
  flex-shrink: 0;
}
.pill-event .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 2px;
}
.pill-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}
.pill-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pill-person,
.pill-time {
  font-size: 10px;
  font-weight: 400;
  opacity: 0.75;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============ HOVER TOOLTIP ============ */
.shift-tooltip {
  position: absolute;
  transform: translate(-50%, -100%);
  background: var(--text-dark);
  color: var(--card-bg);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 12px;
  min-width: 190px;
  box-shadow: 0 12px 28px var(--shadow);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.12s ease,
    visibility 0.12s;
  z-index: 2000;
}
.shift-tooltip.show {
  opacity: 1;
  visibility: visible;
}
.shift-tooltip::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -5px;
  transform: translateX(-50%);
  width: 10px;
  height: 10px;
  background: var(--text-dark);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}
.tooltip-row {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 2px 0;
}
.tooltip-row i {
  font-size: 11px;
  opacity: 0.7;
  width: 14px;
  text-align: center;
}
.tooltip-person {
  font-weight: 700;
  font-size: 13px;
}
.tooltip-title {
  font-weight: 500;
}
.tooltip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.tooltip-dot.pill-blue {
  background: var(--pill-blue-dot);
}
.tooltip-dot.pill-green {
  background: var(--pill-green-dot);
}
.tooltip-dot.pill-pink {
  background: var(--pill-pink-dot);
}
.tooltip-dot.pill-purple {
  background: var(--pill-purple-dot);
}
.pill-blue {
  background: var(--pill-blue-bg);
  color: var(--pill-blue-text);
}
.pill-blue .dot {
  background: var(--pill-blue-dot);
}
.pill-green {
  background: var(--pill-green-bg);
  color: var(--pill-green-text);
}
.pill-green .dot {
  background: var(--pill-green-dot);
}
.pill-pink {
  background: var(--pill-pink-bg);
  color: var(--pill-pink-text);
}
.pill-pink .dot {
  background: var(--pill-pink-dot);
}
.pill-purple {
  background: var(--pill-purple-bg);
  color: var(--pill-purple-text);
}
.pill-purple .dot {
  background: var(--pill-purple-dot);
}

/* ============ ADD / EDIT SHIFT MODAL ============ */
#shiftModal .modal-content {
  background: var(--card-bg);
  color: var(--text-dark);
  border: 1px solid var(--line);
  border-radius: 14px;
}
#shiftModal .modal-header,
#shiftModal .modal-footer {
  border-color: var(--line);
}
#shiftModal .modal-title {
  font-size: 16px;
  font-weight: 700;
}
#shiftModal .btn-close {
  filter: none;
}
html.dark #shiftModal .btn-close {
  filter: invert(1) grayscale(1) brightness(1.6);
}
#shiftModal .form-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-muted);
}
#shiftModal .form-control,
#shiftModal .form-select {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text-dark);
  font-size: 13.5px;
}
#shiftModal .form-control:focus,
#shiftModal .form-select:focus {
  background: var(--surface);
  color: var(--text-dark);
  border-color: var(--pill-blue-dot);
  box-shadow: 0 0 0 3px var(--pill-blue-bg);
}
#shiftModal .form-control[readonly] {
  opacity: 0.75;
}
#shiftModal .form-hint {
  font-size: 11.5px;
  color: var(--text-muted);
  margin: 4px 0 0;
}
html.dark #shiftModal input[type="date"],
html.dark #shiftModal input[type="time"] {
  color-scheme: dark;
}
.btn-cancel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--text-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  cursor: pointer;
}
.btn-cancel:hover {
  background: var(--surface-hover);
}
.btn-save-shift {
  border: none;
  border-radius: 8px;
  background: var(--today-bg);
  color: var(--today-text);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 16px;
  cursor: pointer;
}
.btn-save-shift:hover {
  filter: brightness(1.08);
}
.btn-delete-shift {
  display: flex;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: #e0554b;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 12px;
  cursor: pointer;
  margin-right: auto;
}
.btn-delete-shift:hover {
  background: rgba(224, 85, 75, 0.1);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 576px) {
  .page-wrap {
    padding: 10px;
  }
  .toolbar-left {
    width: 100%;
  }
  .toolbar-right {
    width: 100%;
    justify-content: space-between;
  }
  .view-dropdown {
    flex: 1;
  }
  .btn-view-select {
    width: 100%;
    justify-content: center;
  }
  .view-dropdown-menu {
    left: 0;
    right: 0;
  }
  .calendar-card {
    padding: 12px;
  }
  #calendar .fc-daygrid-day-frame {
    min-height: 70px;
    padding: 3px;
  }
  .pill-event {
    font-size: 9.5px;
    padding: 2px 5px;
  }
}