/* ============================================
   NEXT-GEN HOTLINE PLANNER — Design System
   Dense Outline | Light | Mobile-First
   ============================================ */

/* --- Google Font --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* --- Design Tokens --- */
:root {
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.675rem;
  --font-size-sm: 0.75rem;
  --font-size-md: 0.8125rem;
  --font-size-lg: 0.9375rem;
  --font-size-xl: 1.125rem;

  /* Spacing */
  --space-xxs: 2px;
  --space-xs: 4px;
  --space-sm: 6px;
  --space-md: 10px;
  --space-lg: 16px;
  --space-xl: 24px;

  /* Border */
  --border-radius: 4px;
  --border-radius-lg: 8px;
  --border-color: #E2E8F0;
  --border-color-hover: #CBD5E1;
  --border-color-focus: #1976D2;

  /* Colors — Surfaces */
  --bg-page: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-hover: #F1F5F9;
  --bg-surface-active: #E8F0FE;
  --bg-frozen: #FDFDFE;

  /* Colors — Text */
  --text-primary: #1A1A2E;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;
  --text-inverse: #FFFFFF;

  /* Colors — Brand */
  --color-primary: #1976D2;
  --color-primary-light: #E3F2FD;
  --color-primary-dark: #1565C0;

  /* Colors — Semantic */
  --color-success: #16A34A;
  --color-success-bg: #F0FDF4;
  --color-warning: #D97706;
  --color-warning-bg: #FFFBEB;
  --color-error: #DC2626;
  --color-error-bg: #FEF2F2;

  /* Colors — Coverage Traffic Light */
  --coverage-ok: #22C55E;
  --coverage-ok-bg: #DCFCE7;
  --coverage-warn: #F59E0B;
  --coverage-warn-bg: #FEF3C7;
  --coverage-critical: #EF4444;
  --coverage-critical-bg: #FEE2E2;

  /* Colors — ExNet */
  --exnet-bg: #FCE7F3;
  --exnet-text: #9D174D;
  --exnet-border: #F9A8D4;

  /* Colors — Cell Lock */
  --lock-border: #60A5FA;
  --lock-bg: rgba(96, 165, 250, 0.06);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.1);

  /* Grid */
  --frozen-col-width: 220px;
  --frozen-col-width-mobile: 120px;
  --cell-min-width: 100px;
  --cell-height: 40px;
  --header-height: 36px;
  --row-gap: 0px;
}

/* --- Global Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  color: var(--text-primary);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Quasar Dense Overrides --- */
.q-field--outlined .q-field__control {
  border-radius: var(--border-radius) !important;
}

.q-btn {
  border-radius: var(--border-radius) !important;
  text-transform: none !important;
  font-weight: 500 !important;
  letter-spacing: 0 !important;
}

.q-chip {
  border-radius: var(--border-radius) !important;
}

.q-card {
  border-radius: var(--border-radius-lg) !important;
  box-shadow: var(--shadow-sm) !important;
}

.q-dialog .q-card {
  border-radius: var(--border-radius-lg) !important;
}

.q-drawer {
  border-right: 1px solid var(--border-color) !important;
}

.q-header {
  background: var(--bg-surface) !important;
  color: var(--text-primary) !important;
  border-bottom: 1px solid var(--border-color) !important;
  box-shadow: none !important;
}

.q-toolbar {
  min-height: 48px !important;
  padding: 0 var(--space-lg) !important;
}

/* --- Layout --- */
.page-bg {
  background: var(--bg-page);
  min-height: 100vh;
}

/* --- Planner Grid --- */
.planner-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 108px); /* header + filter bar */
  overflow: hidden;
}

.planner-grid-wrapper {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* Frozen Left Panel */
.frozen-left {
  width: var(--frozen-col-width);
  min-width: var(--frozen-col-width);
  flex-shrink: 0;
  background: var(--bg-frozen);
  border-right: 2px solid var(--border-color);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 10;
}

/* Scrollable Right Grid */
.scrollable-grid {
  flex: 1;
  overflow-x: auto;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.scrollable-grid-inner {
  display: inline-flex;
  flex-direction: column;
  min-width: max-content;
}

/* --- Grid Rows --- */
.grid-row {
  display: flex;
  align-items: stretch;
  min-height: var(--cell-height);
  border-bottom: 1px solid var(--border-color);
}

.grid-row:hover {
  background: var(--bg-surface-hover);
}

/* --- Header Rows --- */
.header-row {
  display: flex;
  align-items: center;
  min-height: var(--header-height);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  position: sticky;
  top: 0;
  z-index: 5;
}

/* --- Date Header Cell --- */
.date-header-cell {
  width: var(--cell-min-width);
  min-width: var(--cell-min-width);
  padding: var(--space-xs) var(--space-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--border-color);
  font-size: var(--font-size-xs);
}

.date-header-cell .day-name {
  font-weight: 600;
  color: var(--text-secondary);
}

.date-header-cell .day-date {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.625rem;
}

.date-header-cell.is-today {
  background: var(--color-primary-light);
  border-bottom: 2px solid var(--color-primary);
}

.date-header-cell.is-weekend {
  background: #F8FAFC;
  color: var(--text-muted);
}

/* --- ExNet Header Row --- */
.exnet-row {
  background: var(--exnet-bg) !important;
  border-bottom: 1px solid var(--exnet-border);
  min-height: 28px;
}

.exnet-cell {
  width: var(--cell-min-width);
  min-width: var(--cell-min-width);
  padding: var(--space-xxs) var(--space-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--exnet-border);
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--exnet-text);
}

/* --- Coverage Indicator Row --- */
.coverage-row {
  min-height: 24px;
  border-bottom: 2px solid var(--border-color);
}

.coverage-cell {
  width: var(--cell-min-width);
  min-width: var(--cell-min-width);
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--border-color);
}

.coverage-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transition: background-color 0.2s;
}

.coverage-dot.ok { background: var(--coverage-ok); }
.coverage-dot.warn { background: var(--coverage-warn); }
.coverage-dot.critical { background: var(--coverage-critical); }

/* --- Agent Row (Frozen) --- */
.agent-row-frozen {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-xs) var(--space-sm);
  min-height: var(--cell-height);
  border-bottom: 1px solid var(--border-color);
  gap: 1px;
}

.agent-name {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.agent-email {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.agent-skills {
  display: flex;
  gap: var(--space-xxs);
  margin-top: 1px;
  flex-wrap: wrap;
}

/* --- Skill Badge --- */
.skill-badge {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-xs);
  height: 16px;
  font-size: 0.6rem;
  font-weight: 500;
  border-radius: 3px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  white-space: nowrap;
}

/* --- Shift Cell --- */
.shift-cell {
  width: var(--cell-min-width);
  min-width: var(--cell-min-width);
  min-height: var(--cell-height);
  padding: var(--space-xxs) var(--space-xs);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  border-right: 1px solid var(--border-color);
  cursor: pointer;
  position: relative;
  transition: background-color 0.15s, border-color 0.15s;
}

.shift-cell:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-color-hover);
}

.shift-cell.is-invalid {
  background: var(--color-error-bg);
  outline: 1.5px solid var(--color-error);
  outline-offset: -1.5px;
}

.shift-cell.is-warning {
  background: var(--color-warning-bg);
  outline: 1.5px solid var(--color-warning);
  outline-offset: -1.5px;
}

.shift-cell.is-locked {
  background: var(--lock-bg);
  outline: 1.5px solid var(--lock-border);
  outline-offset: -1.5px;
  cursor: not-allowed;
}

/* --- Shift Chip --- */
.shift-chip {
  display: inline-flex;
  align-items: center;
  height: 18px;
  padding: 0 var(--space-xs);
  font-size: 0.6rem;
  font-weight: 500;
  border-radius: 3px;
  white-space: nowrap;
  max-width: 90px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shift-chip.morning { background: #DBEAFE; color: #1E40AF; }
.shift-chip.afternoon { background: #FEF3C7; color: #92400E; }
.shift-chip.night { background: #E0E7FF; color: #3730A3; }
.shift-chip.allday { background: #F3E8FF; color: #6B21A8; }
.shift-chip.training { background: #D1FAE5; color: #065F46; }
.shift-chip.exnet { background: var(--exnet-bg); color: var(--exnet-text); }

/* --- Cell Menu Button --- */
.cell-menu-btn {
  position: absolute;
  top: 2px;
  right: 2px;
  opacity: 0;
  transition: opacity 0.15s;
}

.shift-cell:hover .cell-menu-btn {
  opacity: 1;
}

/* --- Cell Lock Overlay --- */
.cell-lock-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.cell-lock-overlay .lock-avatar {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid var(--lock-border);
  font-size: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  color: var(--lock-border);
  font-weight: 600;
}

/* --- Validation Icon --- */
.validation-icon {
  position: absolute;
  bottom: 2px;
  right: 2px;
  font-size: 10px;
}

/* --- Sidebar --- */
.sidebar-section {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-color);
}

.sidebar-section-title {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

/* --- Edit History --- */
.history-item {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  font-size: var(--font-size-xs);
  border-bottom: 1px solid var(--border-color);
}

.history-item:last-child {
  border-bottom: none;
}

.history-avatar {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.55rem;
  font-weight: 600;
  flex-shrink: 0;
}

.history-content {
  flex: 1;
  min-width: 0;
}

.history-user {
  font-weight: 600;
  color: var(--text-primary);
}

.history-action {
  color: var(--text-secondary);
}

.history-time {
  color: var(--text-muted);
  font-size: 0.6rem;
}

/* --- Users Online --- */
.users-online {
  display: flex;
  align-items: center;
  gap: 0;
}

.users-online .user-avatar-wrapper {
  margin-left: -6px;
}

.users-online .user-avatar-wrapper:first-child {
  margin-left: 0;
}

.user-avatar-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s;
}

.user-avatar-circle:hover {
  transform: scale(1.1);
  z-index: 2;
}

.overflow-count {
  background: var(--text-muted);
  color: var(--text-inverse);
}

/* --- Filter Bar --- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

/* --- Frozen Header --- */
.frozen-header {
  display: flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  min-height: var(--header-height);
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: var(--bg-surface);
  position: sticky;
  top: 0;
  z-index: 5;
}

.frozen-exnet-spacer {
  min-height: 28px;
  border-bottom: 1px solid var(--exnet-border);
  background: var(--exnet-bg);
  display: flex;
  align-items: center;
  padding: 0 var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--exnet-text);
}

.frozen-coverage-spacer {
  min-height: 24px;
  border-bottom: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--text-muted);
}

/* --- Scrollbar Styling --- */
.scrollable-grid::-webkit-scrollbar {
  height: 6px;
  width: 6px;
}

.scrollable-grid::-webkit-scrollbar-track {
  background: transparent;
}

.scrollable-grid::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

.scrollable-grid::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.frozen-left::-webkit-scrollbar {
  width: 4px;
}

.frozen-left::-webkit-scrollbar-track {
  background: transparent;
}

.frozen-left::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 2px;
}

/* --- Mobile Responsive --- */
@media (max-width: 599px) {
  :root {
    --frozen-col-width: var(--frozen-col-width-mobile);
    --cell-min-width: 90px;
    --cell-height: 44px;
  }

  .q-toolbar {
    padding: 0 var(--space-sm) !important;
  }

  .filter-bar {
    padding: var(--space-xs) var(--space-sm);
    gap: var(--space-xs);
  }

  .agent-email,
  .agent-skills {
    display: none;
  }

  .frozen-header span.hide-mobile {
    display: none;
  }
}

@media (min-width: 600px) and (max-width: 1023px) {
  :root {
    --frozen-col-width: 180px;
  }

  .agent-email {
    display: none;
  }
}

/* --- Utility --- */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-md { font-size: var(--font-size-md); }
.text-lg { font-size: var(--font-size-lg); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }

/* Synced scroll between frozen and scrollable panels */
.scroll-sync {
  scrollbar-width: none;
}
.scroll-sync::-webkit-scrollbar {
  display: none;
}