/* ==========================================================================
   Tishha Admin Web Portal - Modern Design System & CSS
   ========================================================================== */

:root {
  /* Color Palette - Modern Dark Theme (Default) */
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.65);
  --bg-input: #1f2937;
  --bg-modal: #111827;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.12);
  --border-focus: #3b82f6;

  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-inverse: #111827;

  /* Brand Accents */
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-light: rgba(59, 130, 246, 0.15);
  
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.15);
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.15);
  --purple: #8b5cf6;
  --purple-light: rgba(139, 92, 246, 0.15);
  --cyan: #06b6d4;
  --cyan-light: rgba(6, 182, 212, 0.15);

  /* Elevation & Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.35);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variable Overrides */
[data-theme="light"] {
  --bg-primary: #f3f4f6;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(243, 244, 246, 0.95);
  --bg-glass: rgba(255, 255, 255, 0.75);
  --bg-input: #f9fafb;
  --bg-modal: #ffffff;

  --border-subtle: rgba(0, 0, 0, 0.06);
  --border-card: rgba(0, 0, 0, 0.1);
  --border-focus: #2563eb;

  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --text-inverse: #ffffff;

  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: rgba(37, 99, 235, 0.1);

  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
}

/* ==========================================================================
   Base Styles & Reset
   ========================================================================== */

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

body {
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-card);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ==========================================================================
   Layout & Structure
   ========================================================================== */

#app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Top App Bar */
.top-navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.brand-text h1 {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.2;
}

.brand-text span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Date Navigator Bar */
.date-navigator {
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-full);
  padding: 0.25rem 0.5rem;
  gap: 0.25rem;
  box-shadow: var(--shadow-sm);
}

.date-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.date-btn:hover {
  background: var(--bg-input);
  color: var(--text-primary);
}

.date-display-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.25rem 0.75rem;
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}

.date-display-btn:hover {
  background: var(--bg-input);
}

.date-input-hidden {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
}

.today-chip-btn {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(59, 130, 246, 0.3);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-fast);
}

.today-chip-btn:hover {
  background: var(--primary);
  color: white;
}

/* Navbar Right Controls */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
}

.icon-btn:hover {
  color: var(--text-primary);
  border-color: var(--primary);
  background: var(--bg-input);
}

.icon-btn.rotating svg {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}

.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-full);
  padding: 0.25rem 0.75rem 0.25rem 0.35rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.user-profile-badge:hover {
  border-color: var(--primary);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  color: white;
  text-transform: uppercase;
}

.user-info-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.user-info-name {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.user-info-role {
  font-size: 0.6875rem;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
}

/* ==========================================================================
   Main Content Container
   ========================================================================== */

.main-content {
  flex: 1;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ==========================================================================
   KPI Stats Grid (Real-time Dashboard Metrics)
   ========================================================================== */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
}

.kpi-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-md);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
}

.kpi-card.blue::before { background: var(--primary); }
.kpi-card.green::before { background: var(--success); }
.kpi-card.amber::before { background: var(--warning); }
.kpi-card.rose::before { background: var(--danger); }
.kpi-card.purple::before { background: var(--purple); }

.kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.kpi-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.kpi-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.kpi-card.blue .kpi-icon { background: var(--primary-light); color: var(--primary); }
.kpi-card.green .kpi-icon { background: var(--success-light); color: var(--success); }
.kpi-card.amber .kpi-icon { background: var(--warning-light); color: var(--warning); }
.kpi-card.rose .kpi-icon { background: var(--danger-light); color: var(--danger); }
.kpi-card.purple .kpi-icon { background: var(--purple-light); color: var(--purple); }

.kpi-value-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.kpi-value {
  font-size: 1.875rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  font-feature-settings: "tnum";
}

.kpi-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.kpi-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
}

.kpi-badge.success { background: var(--success-light); color: var(--success); }
.kpi-badge.warning { background: var(--warning-light); color: var(--warning); }
.kpi-badge.danger { background: var(--danger-light); color: var(--danger); }

/* ==========================================================================
   Navigation Tabs Section
   ========================================================================== */

.nav-tabs-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.125rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}

.tab-btn.active {
  color: var(--primary);
  background: var(--primary-light);
  border-color: rgba(59, 130, 246, 0.3);
}

.tab-badge {
  background: var(--danger);
  color: white;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-full);
}

/* ==========================================================================
   Filters & Search Toolbar
   ========================================================================== */

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 0.875rem 1.25rem;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  background: var(--bg-input);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.875rem;
  flex: 1;
  min-width: 220px;
  max-width: 360px;
}

.search-box svg {
  color: var(--text-muted);
}

.search-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 0.875rem;
  width: 100%;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-select {
  background: var(--bg-input);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.875rem;
  outline: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-select:focus {
  border-color: var(--primary);
}

/* Filter Chips */
.chips-container {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
}

.filter-chip {
  background: var(--bg-input);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
}

.filter-chip:hover {
  color: var(--text-primary);
  border-color: var(--primary);
}

.filter-chip.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: white;
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-success {
  background: var(--success);
  color: white;
}
.btn-success:hover {
  background: #059669;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.btn-danger {
  background: var(--danger);
  color: white;
}
.btn-danger:hover {
  background: #dc2626;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

.btn-secondary {
  background: var(--bg-input);
  border-color: var(--border-card);
  color: var(--text-primary);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
}

.btn-sm {
  font-size: 0.75rem;
  padding: 0.35rem 0.65rem;
}

/* ==========================================================================
   Cards Grid & Employee Board
   ========================================================================== */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.25rem;
}

.employee-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  transition: var(--transition-normal);
  position: relative;
}

.employee-card:hover {
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.employee-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.employee-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  color: white;
  flex-shrink: 0;
}

.employee-meta h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.employee-submeta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.2rem;
}

.role-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 0.1rem 0.5rem;
  border-radius: var(--radius-full);
  text-transform: capitalize;
}

.empid-text {
  font-size: 0.6875rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

/* Status Chips */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.status-pill.p, .status-pill.ps { background: var(--success-light); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.3); }
.status-pill.pl { background: var(--warning-light); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.3); }
.status-pill.hd { background: var(--cyan-light); color: var(--cyan); border: 1px solid rgba(6, 182, 212, 0.3); }
.status-pill.mp { background: var(--purple-light); color: var(--purple); border: 1px solid rgba(139, 92, 246, 0.3); }
.status-pill.a, .status-pill.fa { background: var(--danger-light); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.3); }
.status-pill.s, .status-pill.h { background: rgba(156, 163, 175, 0.15); color: var(--text-secondary); border: 1px solid rgba(156, 163, 175, 0.3); }
.status-pill.leave { background: var(--warning-light); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.3); }

.card-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  background: var(--bg-input);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  border: 1px solid var(--border-subtle);
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 0.6875rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
}

.metric-value {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  font-feature-settings: "tnum";
}

.metric-sub {
  font-size: 0.6875rem;
  color: var(--warning);
  font-weight: 600;
}

/* EOD Strip inside Card */
.eod-status-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
}

.eod-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
}

.eod-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
}

.eod-tag.submitted { background: var(--success-light); color: var(--success); }
.eod-tag.inprogress { background: var(--primary-light); color: var(--primary); }
.eod-tag.pending { background: var(--danger-light); color: var(--danger); }

.card-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.card-actions .btn {
  flex: 1;
}

/* ==========================================================================
   Table View (Desktop Dense Mode)
   ========================================================================== */

.table-responsive {
  width: 100%;
  overflow-x: auto;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.custom-table th {
  background: var(--bg-secondary);
  padding: 0.875rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border-card);
}

.custom-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  vertical-align: middle;
}

.custom-table tbody tr:hover {
  background: var(--bg-card-hover);
}

/* ==========================================================================
   Approvals Desk (Leaves & Mispunches)
   ========================================================================== */

.subtabs-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.subtab-pill {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  background: var(--bg-input);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.subtab-pill.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.approval-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: var(--transition-normal);
}

.approval-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.approval-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.approval-reason-box {
  background: var(--bg-input);
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-style: italic;
}

.approval-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* ==========================================================================
   Leave Balances Meters & Bars
   ========================================================================== */

.balance-meter {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.balance-bar-bg {
  height: 8px;
  background: var(--bg-input);
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.balance-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, #10b981, #06b6d4);
  transition: width 0.5s ease;
}

/* ==========================================================================
   Modals & Overlays
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: var(--bg-modal);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 760px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: scale(0.95) translateY(10px);
  transition: var(--transition-normal);
  overflow: hidden;
}

.modal-overlay.active .modal-dialog {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}

.modal-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--bg-input);
  color: var(--text-primary);
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* ==========================================================================
   Calendar Grid & Monthly Sheet Styles
   ========================================================================== */

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
}

.calendar-day-header {
  text-align: center;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  padding: 0.25rem 0;
}

.calendar-day-cell {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  min-height: 72px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-fast);
}

.calendar-day-cell:hover {
  border-color: var(--primary);
}

.cal-date-num {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.cal-status-tag {
  font-size: 0.625rem;
  font-weight: 700;
  text-align: center;
  padding: 0.1rem 0.25rem;
  border-radius: 4px;
}

/* ==========================================================================
   Login Fullscreen View
   ========================================================================== */

.login-view {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: radial-gradient(circle at top right, #1e1b4b 0%, #0b0f19 60%, #030712 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: rgba(17, 24, 39, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.login-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-size: 0.9375rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* ==========================================================================
   Toasts Notification System
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: var(--bg-modal);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 0.875rem 1.25rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  animation: slideInRight 0.25s ease forwards;
  min-width: 280px;
  max-width: 400px;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--primary); }

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ==========================================================================
   Empty & Loading States
   ========================================================================== */

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--text-muted);
}

.empty-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--bg-input);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.skeleton-card {
  height: 180px;
  border-radius: var(--radius-lg);
  background: linear-gradient(90deg, var(--bg-input) 25%, var(--bg-card-hover) 50%, var(--bg-input) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ==========================================================================
   Mobile Responsive Adjustments
   ========================================================================== */

@media (max-width: 1024px) {
  .kpi-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .top-navbar {
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
  }

  .brand-text span {
    display: none;
  }

  .main-content {
    padding: 1rem;
    gap: 1rem;
  }

  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .kpi-card {
    padding: 1rem;
  }

  .kpi-value {
    font-size: 1.5rem;
  }

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

  .toolbar {
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
  }

  .search-box {
    max-width: 100%;
  }

  .filter-group {
    width: 100%;
    justify-content: space-between;
  }

  .filter-select {
    flex: 1;
  }

  .user-info-text {
    display: none;
  }

  .calendar-day-cell {
    min-height: 54px;
    padding: 0.25rem;
  }

  .calendar-day-cell .cal-date-num {
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .date-navigator {
    width: 100%;
    justify-content: space-between;
    order: 3;
    margin-top: 0.5rem;
  }
}

/* ==========================================================================
   Profile Modal & Card Styles
   ========================================================================== */

.profile-card-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.profile-avatar-large {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.75rem;
  color: white;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
  flex-shrink: 0;
}

.profile-header-info h3 {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.profile-details-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.875rem;
}

.profile-field-card {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.profile-field-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.profile-field-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.profile-section-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 600px) {
  .profile-details-grid {
    grid-template-columns: 1fr;
  }
}