/* ============================================
   CREW CALENDAR — Design Tokens & Styles
   Dark-first design for employee management
   ============================================ */

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

:root {
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* DARK MODE (default) */
:root, [data-theme="dark"] {
  --color-bg:             #0f1117;
  --color-surface:        #161822;
  --color-surface-2:      #1c1e2e;
  --color-surface-offset: #1a1c2a;
  --color-surface-offset-2: #222438;
  --color-surface-dynamic: #282a40;
  --color-divider:        #2a2c42;
  --color-border:         #363852;
  --color-text:           #e2e4f0;
  --color-text-muted:     #8b8ea4;
  --color-text-faint:     #555872;
  --color-text-inverse:   #0f1117;

  /* Primary — Indigo */
  --color-primary:        #6c7bff;
  --color-primary-hover:  #5a68e6;
  --color-primary-active: #4a58cc;
  --color-primary-highlight: #2a2d50;
  --color-primary-glow:   rgba(108, 123, 255, 0.15);

  /* Employee Colors */
  --color-diego:          #6c7bff;
  --color-diego-bg:       rgba(108, 123, 255, 0.12);
  --color-diego-border:   rgba(108, 123, 255, 0.25);
  --color-brandon:        #34d399;
  --color-brandon-bg:     rgba(52, 211, 153, 0.12);
  --color-brandon-border: rgba(52, 211, 153, 0.25);

  /* Status Colors */
  --color-success:        #34d399;
  --color-success-bg:     rgba(52, 211, 153, 0.12);
  --color-warning:        #fbbf24;
  --color-warning-bg:     rgba(251, 191, 36, 0.12);
  --color-error:          #f87171;
  --color-error-bg:       rgba(248, 113, 113, 0.12);
  --color-info:           #60a5fa;
  --color-info-bg:        rgba(96, 165, 250, 0.12);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(108, 123, 255, 0.15);
}

/* LIGHT MODE */
[data-theme="light"] {
  --color-bg:             #f5f6fa;
  --color-surface:        #ffffff;
  --color-surface-2:      #f9f9fc;
  --color-surface-offset: #eef0f5;
  --color-surface-offset-2: #e5e7ef;
  --color-surface-dynamic: #dcdfe8;
  --color-divider:        #d4d7e2;
  --color-border:         #c8ccd8;
  --color-text:           #1a1c2e;
  --color-text-muted:     #6b6e82;
  --color-text-faint:     #9da0b2;
  --color-text-inverse:   #ffffff;

  --color-primary:        #4f5bd5;
  --color-primary-hover:  #3d49c2;
  --color-primary-active: #2e38a8;
  --color-primary-highlight: #e8eaff;
  --color-primary-glow:   rgba(79, 91, 213, 0.1);

  --color-diego:          #4f5bd5;
  --color-diego-bg:       rgba(79, 91, 213, 0.08);
  --color-diego-border:   rgba(79, 91, 213, 0.2);
  --color-brandon:        #059669;
  --color-brandon-bg:     rgba(5, 150, 105, 0.08);
  --color-brandon-border: rgba(5, 150, 105, 0.2);

  --color-success:        #059669;
  --color-success-bg:     rgba(5, 150, 105, 0.08);
  --color-warning:        #d97706;
  --color-warning-bg:     rgba(217, 119, 6, 0.08);
  --color-error:          #dc2626;
  --color-error-bg:       rgba(220, 38, 38, 0.08);
  --color-info:           #2563eb;
  --color-info-bg:        rgba(37, 99, 235, 0.08);

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
  --shadow-glow: 0 0 20px rgba(79, 91, 213, 0.08);
}

/* ============================================
   LAYOUT
   ============================================ */
body {
  overflow: hidden;
  height: 100dvh;
  display: flex;
  flex-direction: column;
}

.app-shell {
  display: flex;
  height: 100dvh;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: 240px;
  min-width: 240px;
  background: var(--color-surface);
  border-right: 1px solid var(--color-divider);
  display: flex;
  flex-direction: column;
  padding: var(--space-4);
  gap: var(--space-2);
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-2);
  margin-bottom: var(--space-4);
}

.sidebar-logo svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.sidebar-logo span {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-interactive);
}

.nav-item:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

.nav-item.active {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}

.nav-item i {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.sidebar-section {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

.sidebar-section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-1) var(--space-3);
  margin-bottom: var(--space-1);
}

.sidebar-footer {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

/* Main Content */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.page-title {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.page-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-interactive);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: var(--color-surface-offset);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-surface-dynamic);
  border-color: var(--color-text-faint);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
}

.btn-ghost:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

.btn-danger {
  background: var(--color-error-bg);
  color: var(--color-error);
  border-color: transparent;
}

.btn-danger:hover {
  background: var(--color-error);
  color: #fff;
}

.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

.btn i {
  width: 16px;
  height: 16px;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
}

/* ============================================
   CALENDAR
   ============================================ */
.calendar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.calendar-nav .month-label {
  font-size: var(--text-lg);
  font-weight: 600;
  min-width: 200px;
  text-align: center;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background: var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-divider);
}

.calendar-day-header {
  background: var(--color-surface-offset);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.calendar-day {
  background: var(--color-surface);
  min-height: 110px;
  padding: var(--space-2);
  cursor: pointer;
  transition: background var(--transition-interactive);
  position: relative;
  display: flex;
  flex-direction: column;
}

.calendar-day:hover {
  background: var(--color-surface-offset);
}

.calendar-day.other-month {
  opacity: 0.35;
}

.calendar-day.today {
  background: var(--color-primary-highlight);
}

.calendar-day.today .day-number {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-full);
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.day-number {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.day-tasks {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  overflow: hidden;
}

.day-task-chip {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
  line-height: 1.4;
}

.day-task-chip.diego {
  background: var(--color-diego-bg);
  color: var(--color-diego);
  border-left: 2px solid var(--color-diego);
}

.day-task-chip.brandon {
  background: var(--color-brandon-bg);
  color: var(--color-brandon);
  border-left: 2px solid var(--color-brandon);
}

.day-task-chip.time-off {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border-left: 2px solid var(--color-warning);
  font-style: italic;
}

.day-more {
  font-size: 10px;
  color: var(--color-text-faint);
  font-weight: 500;
  padding: 1px 4px;
}

/* ============================================
   HOVER PANEL (Day Detail on Hover)
   ============================================ */
.hover-panel {
  position: fixed;
  z-index: 900;
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 150ms ease, visibility 150ms ease, transform 150ms ease;
  max-height: 400px;
  overflow-y: auto;
}

.hover-panel.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.hover-panel-header {
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  color: var(--color-text);
  position: sticky;
  top: 0;
  background: var(--color-surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.hover-panel-body {
  padding: var(--space-2) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hover-panel-footer {
  padding: var(--space-2) var(--space-3) var(--space-3);
  border-top: 1px solid var(--color-divider);
}

.hover-task-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-2);
  border-radius: var(--radius-sm);
  transition: background 100ms ease;
}

.hover-task-item:hover {
  background: var(--color-surface-offset);
}

.hover-task-timeoff {
  color: var(--color-warning);
  font-style: italic;
}

.hover-task-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.hover-task-dot.diego { background: var(--color-diego); }
.hover-task-dot.brandon { background: var(--color-brandon); }

.hover-task-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.hover-task-name {
  font-size: var(--text-xs);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hover-task-time {
  font-size: 11px;
  color: var(--color-text-muted);
}

.hover-task-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.hover-action-btn {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 100ms ease;
  background: none;
  border: none;
}

.hover-action-btn:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

.hover-action-delete:hover {
  color: var(--color-danger);
}

.hover-empty {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  padding: var(--space-3) var(--space-2);
  text-align: center;
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 200ms ease;
  backdrop-filter: blur(4px);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(10px);
  transition: transform 200ms ease;
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-5) var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}

.modal-title {
  font-size: var(--text-base);
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
}

.modal-close:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

.modal-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5) var(--space-5);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.form-input,
.form-select,
.form-textarea {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-offset);
  color: var(--color-text);
  font-size: var(--text-sm);
  transition: all var(--transition-interactive);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
  outline: none;
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

/* ============================================
   BADGES & STATUS
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-pending { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-approved { background: var(--color-success-bg); color: var(--color-success); }
.badge-denied { background: var(--color-error-bg); color: var(--color-error); }
.badge-diego { background: var(--color-diego-bg); color: var(--color-diego); }
.badge-brandon { background: var(--color-brandon-bg); color: var(--color-brandon); }

/* ============================================
   TABLES
   ============================================ */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface-offset);
}

.data-table td {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-divider);
  color: var(--color-text);
}

.data-table tr:hover td {
  background: var(--color-surface-offset);
}

/* ============================================
   TIME-OFF LIST
   ============================================ */
.request-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  transition: all var(--transition-interactive);
}

.request-card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.request-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 700;
  flex-shrink: 0;
}

.request-avatar.diego {
  background: var(--color-diego-bg);
  color: var(--color-diego);
  border: 2px solid var(--color-diego-border);
}

.request-avatar.brandon {
  background: var(--color-brandon-bg);
  color: var(--color-brandon);
  border: 2px solid var(--color-brandon-border);
}

.request-info {
  flex: 1;
}

.request-name {
  font-size: var(--text-sm);
  font-weight: 600;
}

.request-details {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.request-actions {
  display: flex;
  gap: var(--space-2);
}

/* ============================================
   TEMPLATES
   ============================================ */
.template-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.template-card .template-name {
  flex: 1;
  font-size: var(--text-sm);
  font-weight: 500;
}

.template-card .template-days {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ============================================
   STAT CARDS
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.stat-label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-1);
  font-variant-numeric: tabular-nums;
}

.stat-subtext {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  text-align: center;
  color: var(--color-text-faint);
}

.empty-state i {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-4);
  opacity: 0.4;
}

.empty-state p {
  font-size: var(--text-sm);
  max-width: 300px;
}

/* ============================================
   DAY DETAIL PANEL
   ============================================ */
.day-detail-tasks {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.detail-task-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  background: var(--color-surface-offset);
}

.detail-task-item .task-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.detail-task-item .task-dot.diego { background: var(--color-diego); }
.detail-task-item .task-dot.brandon { background: var(--color-brandon); }

.detail-task-item .task-info {
  flex: 1;
}

.detail-task-item .task-title {
  font-size: var(--text-sm);
  font-weight: 500;
}

.detail-task-item .task-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.detail-task-item .task-actions {
  display: flex;
  gap: var(--space-1);
}

/* ============================================
   TOAST
   ============================================ */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  animation: toastIn 300ms ease;
  max-width: 360px;
}

.toast.success { border-left: 3px solid var(--color-success); }
.toast.error { border-left: 3px solid var(--color-error); }
.toast.info { border-left: 3px solid var(--color-info); }
.toast.warning { border-left: 3px solid var(--color-warning); }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   TABS
   ============================================ */
.tab-bar {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--color-divider);
  margin-bottom: var(--space-4);
}

.tab-item {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-interactive);
  margin-bottom: -1px;
}

.tab-item:hover {
  color: var(--color-text);
}

.tab-item.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ============================================
   REASSIGNMENT INDICATOR
   ============================================ */
.reassigned-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 10px;
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  background: var(--color-warning-bg);
  color: var(--color-warning);
  font-weight: 600;
}

/* ============================================
   MOBILE HAMBURGER
   ============================================ */
.mobile-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
}

.hamburger {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .mobile-header {
    display: flex;
  }

  .sidebar {
    position: fixed;
    left: -260px;
    top: 0;
    bottom: 0;
    z-index: 100;
    transition: left 200ms ease;
    box-shadow: var(--shadow-lg);
  }

  .sidebar.open {
    left: 0;
  }

  .sidebar-overlay.open {
    display: block;
  }

  .main-content {
    padding: var(--space-4);
  }

  .calendar-grid {
    font-size: 12px;
  }

  .calendar-day {
    min-height: 70px;
    padding: var(--space-1);
  }

  .day-task-chip {
    font-size: 9px;
    padding: 1px 3px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-actions {
    width: 100%;
    flex-wrap: wrap;
  }
}

/* ============================================
   SHIFT SWAP
   ============================================ */
.swap-day-card {
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-3);
}

.swap-day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-offset);
  border-bottom: 1px solid var(--color-divider);
}

.swap-day-date {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.swap-day-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-divider);
}

.swap-employee-col {
  background: var(--color-surface);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.swap-emp-label {
  align-self: flex-start;
  margin-bottom: var(--space-1);
}

.swap-task-chip {
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  position: relative;
  line-height: 1.4;
}

.swap-task-chip.diego {
  background: var(--color-diego-bg);
  color: var(--color-diego);
  border-left: 2px solid var(--color-diego);
}

.swap-task-chip.brandon {
  background: var(--color-brandon-bg);
  color: var(--color-brandon);
  border-left: 2px solid var(--color-brandon);
}

.swap-task-chip.empty {
  background: var(--color-surface-offset);
  color: var(--color-text-faint);
  font-style: italic;
  border-left: none;
}

.swap-task-time {
  font-size: 11px;
  opacity: 0.7;
}

.swap-chip-btn {
  position: absolute;
  right: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: inherit;
  opacity: 0;
  transition: opacity var(--transition-interactive);
  cursor: pointer;
  background: rgba(255,255,255,0.1);
}

.swap-task-chip:hover .swap-chip-btn {
  opacity: 1;
}

.swap-preview {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.swap-detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) 0;
}

.swap-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

.swap-value {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.swap-arrow {
  display: flex;
  justify-content: center;
  padding: var(--space-2) 0;
}

.swap-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.swap-preview-grid > div {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.swap-preview-grid strong {
  font-size: var(--text-xs);
  margin-bottom: var(--space-1);
}

.swap-preview-item {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: var(--space-1) var(--space-2);
  background: var(--color-surface-offset);
  border-radius: var(--radius-sm);
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--color-surface-dynamic);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-faint);
}

/* ============================================
   FOOTER
   ============================================ */
.app-footer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  padding: var(--space-2) var(--space-3);
  text-align: center;
}

.app-footer a {
  color: var(--color-text-faint);
  text-decoration: none;
}

.app-footer a:hover {
  color: var(--color-text-muted);
}

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  background: var(--color-bg);
  padding: var(--space-4);
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  box-shadow: var(--shadow-lg);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  justify-content: center;
  margin-bottom: var(--space-4);
}

.login-logo svg {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.login-logo span {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.login-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  background: var(--color-error-bg);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
}

/* ============================================
   ADMIN BADGES & SETTINGS
   ============================================ */
.badge-admin {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}

.badge-pending {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.badge-denied {
  background: var(--color-error-bg);
  color: var(--color-error);
}

.request-avatar.admin {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* =============================================
   MONITORS PAGE
   ============================================= */

.monitor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-4);
}

.monitor-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.monitor-card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}

.monitor-card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-bg);
  flex-shrink: 0;
}

.monitor-card-info {
  flex: 1;
  min-width: 0;
}

.monitor-card-name {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.monitor-card-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
  line-height: 1.4;
}

.monitor-status-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
}

.monitor-status-success {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
}

.monitor-status-error {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.monitor-status-silent {
  background: rgba(148, 163, 184, 0.15);
  color: var(--color-text-muted);
}

.monitor-status-pending {
  background: rgba(148, 163, 184, 0.1);
  color: var(--color-text-muted);
}

.monitor-card-body {
  padding: var(--space-4);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.monitor-stat-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.monitor-stat-value {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.monitor-countdown {
  font-variant-numeric: tabular-nums;
  color: var(--color-primary) !important;
}

.monitor-empty {
  text-align: center;
  padding: var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* Run history log */

.monitor-log-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.monitor-log-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-2);
  border-radius: var(--radius-md);
  transition: background 100ms;
}

.monitor-log-item:hover {
  background: var(--color-bg);
}

.monitor-log-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.monitor-log-info {
  flex: 1;
  min-width: 0;
}

.monitor-log-name {
  font-size: var(--text-xs);
  font-weight: 600;
}

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

.monitor-log-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.monitor-log-time {
  font-size: 11px;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.monitor-log-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 999px;
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .monitor-grid {
    grid-template-columns: 1fr;
  }
  .monitor-card-header {
    flex-wrap: wrap;
  }
}