/*
 * Schedule - Availability calendar styles
 */

/* ── Page Layout ──────────────────────────────────── */

.schedule-layout {
  display: flex;
  height: calc(100vh - 76px); /* full height minus navbar */
  overflow: hidden;
}

/* ── Team Sidebar ─────────────────────────────────── */

.team-sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--bg-card);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.sidebar-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 var(--spacing-sm) 0;
}

.user-search {
  width: 100%;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--neutral-50);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}

.user-search:focus {
  border-color: var(--primary-color);
  background: var(--bg-card);
}

.user-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-xs) 0;
}

.user-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  border-radius: 0;
  transition: background var(--transition-fast);
  user-select: none;
}

.user-item:hover {
  background: var(--bg-hover);
}

.user-item.selected {
  background: var(--neutral-100);
}

.user-checkbox {
  width: 16px;
  height: 16px;
  border: 2px solid var(--neutral-400);
  border-radius: 3px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  background: var(--bg-card);
}

.user-item.selected .user-checkbox {
  border-color: var(--primary-color);
  background: var(--primary-color);
}

.user-checkbox-tick {
  display: none;
  color: white;
  font-size: 11px;
  line-height: 1;
}

.user-item.selected .user-checkbox-tick {
  display: block;
}


.user-item-info {
  flex: 1;
  min-width: 0;
}

.user-item-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-item-you {
  font-size: var(--font-size-xs);
  color: var(--text-subtle);
}

/* ── Calendar Main Area ───────────────────────────── */

.calendar-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-page);
}

/* ── Week Navigation ──────────────────────────────── */

.calendar-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.calendar-nav-week {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0 var(--spacing-sm);
  min-width: 220px;
  text-align: center;
}

.nav-arrow {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1;
}

.nav-arrow:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--neutral-400);
}

.nav-spacer {
  flex: 1;
}

/* ── Calendar Scroll Wrapper ──────────────────────── */

.calendar-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
}

/* ── Calendar Grid ────────────────────────────────── */

.calendar-grid {
  display: grid;
  grid-template-columns: 52px repeat(7, minmax(100px, 1fr));
  min-width: 760px;
}

/* Day header row */
.cal-corner {
  background: var(--bg-card);
  border-bottom: 2px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 10;
}

.cal-day-header {
  background: var(--bg-card);
  border-bottom: 2px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  padding: var(--spacing-sm) var(--spacing-xs);
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 10;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.cal-day-header:hover {
  background: var(--bg-hover);
}

.cal-day-header.today {
  background: #EBF2FF;
}

.cal-day-header.today .cal-day-num {
  background: var(--primary-color);
  color: white;
}

.cal-day-name {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cal-day-num {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 2px auto 0;
}

/* Overlap indicator strip below day header */
.cal-overlap-strip {
  height: 6px;
  margin: 2px 2px 0;
  border-radius: 3px;
  background: transparent;
}

.cal-overlap-strip.has-overlap {
  background: var(--success-color);
  opacity: 0.6;
}

/* Time gutter column */
.cal-time-gutter {
  border-right: 1px solid var(--border-color);
  background: var(--bg-card);
  position: relative;
}

.cal-time-label {
  height: 60px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 0 var(--spacing-xs) 0 0;
  font-size: var(--font-size-xs);
  color: var(--text-subtle);
  font-weight: var(--font-weight-medium);
  box-sizing: border-box;
}

/* Day columns */
.cal-day-col {
  border-right: 1px solid var(--border-color);
  position: relative;
  cursor: pointer;
}

.cal-day-col:last-child {
  border-right: none;
}

.cal-day-col.today {
  background: rgba(235, 242, 255, 0.3);
}

/* Hour rows within day column */
.cal-hour-row {
  height: 60px;
  border-bottom: 1px solid var(--neutral-100);
  position: relative;
}

.cal-hour-row.half-hour::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  border-bottom: 1px dashed var(--neutral-100);
}

/* User lanes container (flex row within each hour) */
.cal-lanes {
  position: absolute;
  inset: 0;
  display: flex;
  pointer-events: none;
}

/* Individual user lane */
.cal-user-lane {
  flex: 1;
  position: relative;
}

/* Availability block within a lane */
.cal-avail-block {
  position: absolute;
  left: 1px;
  right: 1px;
  border-radius: 3px;
  opacity: 0.85;
  min-height: 4px;
  pointer-events: all;
  cursor: pointer;
  transition: opacity var(--transition-fast);
  overflow: hidden;
}

.cal-avail-block:hover {
  opacity: 1;
  z-index: 5;
}

.cal-avail-block-label {
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  padding: 2px 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

/* Override badge on block */
.cal-avail-block.is-override {
  border-left: 3px solid rgba(0,0,0,0.2);
}

/* Current time indicator */
.cal-now-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--danger-color);
  z-index: 8;
  pointer-events: none;
}

.cal-now-line::before {
  content: '';
  position: absolute;
  left: -4px;
  top: -4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--danger-color);
}

/* ── Density heatmap blocks ───────────────────────── */

.cal-density-block {
  position: absolute;
  left: 0;
  right: 0;
  pointer-events: none;
  z-index: 2;
  border-radius: 2px;
}

/* Current user's own slots: interactive block */
.cal-mine-block {
  position: absolute;
  left: 0;
  right: 0;
  background: rgba(154, 42, 42, 0.08);
  border-left: 3px solid var(--primary-color);
  border-radius: 0 2px 2px 0;
  z-index: 4;
  pointer-events: all;
}

.cal-mine-menu-btn {
  position: absolute;
  top: 2px;
  right: 3px;
  background: none;
  border: none;
  font-size: 15px;
  line-height: 1;
  color: var(--primary-color);
  cursor: pointer;
  opacity: 0.6;
  padding: 1px 4px;
  border-radius: 3px;
  transition: opacity var(--transition-fast), background var(--transition-fast);
}

.cal-mine-menu-btn:hover {
  opacity: 1;
  background: rgba(154, 42, 42, 0.15);
}

/* Slot context menu */
.cal-slot-menu {
  position: fixed;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  min-width: 170px;
  padding: 4px 0;
}

.cal-slot-menu-item {
  display: block;
  width: 100%;
  padding: 8px 14px;
  background: none;
  border: none;
  text-align: left;
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  color: var(--text-primary);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.cal-slot-menu-item:hover {
  background: var(--bg-hover);
}

.cal-slot-menu-item--danger {
  color: var(--danger-color);
}

/* ── Hover time indicator ──────────────────────────── */

.cal-hover-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--text-secondary);
  pointer-events: none;
  z-index: 8;
}

.cal-hover-line::after {
  content: attr(data-time);
  position: absolute;
  right: 4px;
  top: -14px;
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  white-space: nowrap;
  background: var(--bg-card);
  padding: 1px 4px;
  border-radius: 3px;
  border: 1px solid var(--border-color);
}

/* ── Sidebar hover highlighting ────────────────────── */

.user-item.hover-available .user-item-name {
  font-weight: var(--font-weight-semibold);
  color: var(--primary-color);
}


.user-item.hover-unavailable {
  opacity: 0.35;
}

/* ── Calendar drag: preview + delete button ───────── */

/* Preview block while dragging to create a new slot */
.cal-drag-preview {
  position: absolute;
  left: 2px;
  right: 2px;
  background: rgba(154, 42, 42, 0.15);
  border: 2px solid var(--primary-color);
  border-radius: 3px;
  pointer-events: none;
  z-index: 6;
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  color: var(--primary-color);
  padding: 2px 4px;
  overflow: hidden;
  white-space: nowrap;
}

/* × delete button shown on current user's blocks */
.cal-block-del {
  position: absolute;
  top: 2px;
  right: 3px;
  font-size: 12px;
  line-height: 1;
  color: rgba(0, 0, 0, 0.45);
  display: none;
  cursor: pointer;
  font-weight: bold;
}

.cal-avail-block:hover .cal-block-del {
  display: block;
}

.cal-block-del:hover {
  color: rgba(0, 0, 0, 0.8);
}

/* ── Day Detail Panel / Override Modal ───────────── */

.day-panel-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(9, 30, 66, 0.54);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  animation: fadeIn var(--transition-base);
}

.day-panel {
  background: var(--bg-card);
  width: 380px;
  max-width: 100%;
  height: 100%;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: slideFromRight var(--transition-slow);
  display: flex;
  flex-direction: column;
}

@keyframes slideFromRight {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

.day-panel-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-shrink: 0;
}

.day-panel-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0;
}

.day-panel-date {
  font-size: var(--font-size-sm);
  color: var(--text-subtle);
  margin: 2px 0 0;
}

.day-panel-close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--text-subtle);
  cursor: pointer;
  line-height: 1;
  padding: var(--spacing-xs);
  transition: color var(--transition-fast);
}

.day-panel-close:hover {
  color: var(--text-primary);
}

.day-panel-body {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  overflow-y: auto;
}

.day-panel-section {
  margin-bottom: var(--spacing-lg);
}

.day-panel-section-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

/* User availability row in day panel */
.user-avail-row {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--neutral-100);
}

.user-avail-row:last-child {
  border-bottom: none;
}


.user-avail-info {
  flex: 1;
}

.user-avail-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: 2px;
}

.user-avail-times {
  font-size: var(--font-size-xs);
  color: var(--text-subtle);
}

.avail-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  margin-right: 4px;
}

.avail-tag.available {
  background: #E3FCEF;
  color: #006644;
}

.avail-tag.unavailable {
  background: var(--neutral-100);
  color: var(--text-subtle);
}

/* Override management in day panel */
.override-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.override-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--neutral-50);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
}

.override-item-info {
  flex: 1;
  font-size: var(--font-size-sm);
}

.override-item-status {
  font-size: var(--font-size-xs);
  color: var(--text-subtle);
}

/* Add override form */
.add-override-form {
  background: var(--neutral-50);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin-top: var(--spacing-sm);
}

.add-override-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.add-override-form .form-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
  margin-top: var(--spacing-sm);
}


/* ── Loading State ────────────────────────────────── */

.schedule-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  color: var(--text-subtle);
  font-size: var(--font-size-sm);
  gap: var(--spacing-sm);
}

/* ── Empty User State ─────────────────────────────── */

.no-users-state {
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
  color: var(--text-subtle);
  font-size: var(--font-size-sm);
}

/* ── Responsive ───────────────────────────────────── */

@media (max-width: 900px) {
  .team-sidebar {
    width: 180px;
  }

  .day-panel {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .team-sidebar {
    display: none;
  }
}