/* School Salary System - Design Tokens & Stylesheet */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Default: Light Mode */
  --font-title: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --bg-app: #f8fafc;
  --bg-card: #ffffff;
  --bg-sidebar: #0f172a;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-on-sidebar: #f8fafc;

  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #e0e7ff;
  
  --success: #059669;
  --success-light: #d1fae5;
  
  --warning: #d97706;
  --warning-light: #fef3c7;
  
  --danger: #dc2626;
  --danger-light: #fee2e2;

  --border-color: #e2e8f0;
  --input-bg: #ffffff;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg-app: #090d16;
  --bg-card: #131b2e;
  --bg-sidebar: #0d121f;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: #1e1b4b;
  
  --success: #34d399;
  --success-light: #064e3b;
  
  --warning: #fbbf24;
  --warning-light: #78350f;
  
  --danger: #f87171;
  --danger-light: #7f1d1d;

  --border-color: #243049;
  --input-bg: #1e293b;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-app);
  color: var(--text-primary);
  line-height: 1.5;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow: hidden; /* Screen-size layout constraints */
}

/* Layout Grid */
.app-container {
  display: grid;
  grid-template-columns: 260px 1fr;
  height: 100vh;
  width: 100vw;
}

/* Sidebar Styling */
.sidebar {
  background-color: var(--bg-sidebar);
  color: var(--text-on-sidebar);
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  border-right: 1px solid var(--border-color);
  justify-content: space-between;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.logo-icon {
  background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
  color: #fff;
  font-family: var(--font-title);
  box-shadow: 0 0 15px rgba(79, 70, 229, 0.4);
}

.logo-text h1 {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.logo-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.menu-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-grow: 1;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  text-decoration: none;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.menu-item:hover, .menu-item.active {
  color: var(--text-on-sidebar);
  background-color: rgba(255, 255, 255, 0.08);
}

.menu-item.active {
  background: linear-gradient(90deg, rgba(79, 70, 229, 0.15) 0%, rgba(79, 70, 229, 0.05) 100%);
  border-left: 4px solid var(--primary);
  color: #fff;
}

.menu-item svg {
  width: 20px;
  height: 20px;
}

/* User Role Profile Simulator widget */
.user-profile-widget {
  background-color: rgba(255, 255, 255, 0.04);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.user-selector {
  width: 100%;
  padding: 0.5rem;
  background-color: var(--bg-sidebar);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  border-radius: var(--radius-sm);
  margin-top: 0.5rem;
  cursor: pointer;
  outline: none;
}

/* Main Area Layout */
.main-content {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 100%;
}

.top-nav {
  height: 70px;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.nav-title {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-primary);
  transition: var(--transition);
  display: flex;
  align-items: center;
}

.theme-toggle-btn:hover {
  background-color: var(--primary-light);
  border-color: var(--primary);
}

/* Base Buttons styling */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.875rem;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}

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

.btn-secondary:hover {
  background-color: var(--bg-app);
}

.btn-danger {
  background-color: var(--danger);
  color: white;
}

.btn-danger:hover {
  background-color: #b91c1c;
}

/* Views Wrapper */
.view-panel {
  flex-grow: 1;
  padding: 2rem;
  overflow-y: auto;
  background-color: var(--bg-app);
}

.view-section {
  display: none;
}

.view-section.active-view {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Dashboard Summary Cards Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}

.stat-icon {
  background-color: var(--primary-light);
  color: var(--primary);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon.success-icon {
  background-color: var(--success-light);
  color: var(--success);
}

.stat-icon.warning-icon {
  background-color: var(--warning-light);
  color: var(--warning);
}

.stat-val {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 1rem;
}

.stat-footer {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Dashboard Charts container */
.charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.chart-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.chart-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chart-wrapper {
  height: 280px;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

/* Custom CSS/SVG Charts styling */
.bar-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-grow: 1;
  height: 100%;
  justify-content: flex-end;
  gap: 0.5rem;
}

.bar-pill {
  width: 40px;
  background: linear-gradient(180deg, var(--primary) 0%, #3b82f6 100%);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: height 1s ease-out;
  position: relative;
  cursor: pointer;
}

.bar-pill:hover {
  filter: brightness(1.15);
}

.bar-tooltip {
  position: absolute;
  top: -35px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--bg-sidebar);
  color: #fff;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
  pointer-events: none;
  opacity: 0;
  transition: var(--transition);
  white-space: nowrap;
}

.bar-pill:hover .bar-tooltip {
  opacity: 1;
}

.bar-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.legend-list {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  margin-top: 1rem;
  justify-content: center;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.legend-color {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

/* Donut Chart Container */
.donut-chart-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.donut-svg-wrapper {
  position: relative;
  width: 180px;
  height: 180px;
}

.donut-center-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.donut-center-val {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-title);
}

.donut-center-lbl {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Grid & Tables Styling */
.table-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 2rem;
}

.table-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.table-title {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.15rem;
}

.table-filters {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.search-input {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.875rem;
  outline: none;
  background-color: var(--input-bg);
  color: var(--text-primary);
  width: 240px;
}

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

/* Core Table Element styling */
.data-table-wrapper {
  overflow-x: auto;
  max-width: 100%;
}

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

.data-table th {
  background-color: var(--bg-app);
  color: var(--text-secondary);
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.data-table tbody tr:hover {
  background-color: rgba(79, 70, 229, 0.02);
}

/* Frozen columns styling for the massive payroll grid */
.payroll-table-wrapper {
  overflow-x: auto;
  max-height: 520px;
}

.payroll-table th.sticky-col,
.payroll-table td.sticky-col {
  position: sticky;
  left: 0;
  z-index: 2;
}

.payroll-table th.sticky-col-2,
.payroll-table td.sticky-col-2 {
  position: sticky;
  left: 60px;
  z-index: 2;
}

.payroll-table th.sticky-col,
.payroll-table th.sticky-col-2 {
  background-color: var(--bg-app);
}

.payroll-table td.sticky-col,
.payroll-table td.sticky-col-2 {
  background-color: var(--bg-card);
  box-shadow: 2px 0 5px -2px rgba(0, 0, 0, 0.15);
}

/* Leave/Adjustment Inputs on Grid */
.grid-input {
  width: 65px;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.85rem;
  outline: none;
  background-color: var(--input-bg);
  color: var(--text-primary);
  text-align: center;
  transition: var(--transition);
}

.grid-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-light);
}

.grid-input.text-left {
  text-align: left;
  width: 130px;
}

.grid-input.input-invalid {
  border-color: var(--danger);
  background-color: var(--danger-light);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

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

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

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

.badge-primary {
  background-color: var(--primary-light);
  color: var(--primary);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  animation: fadeIn 0.2s ease;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 600px;
  overflow: hidden;
  animation: popUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes popUp {
  from { transform: scale(0.92) translateY(12px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

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

.modal-title {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-body {
  padding: 1.5rem;
  max-height: 70vh;
  overflow-y: auto;
}

.modal-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}

/* Forms styling */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.65rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.875rem;
  outline: none;
  background-color: var(--input-bg);
  color: var(--text-primary);
  transition: var(--transition);
}

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

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

/* Alert Notification Widget */
.alert-notifier {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 150;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.alert-toast {
  background-color: var(--bg-card);
  border-left: 5px solid var(--primary);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 1rem;
  animation: slideIn 0.3s ease-out;
  min-width: 320px;
}

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

.alert-toast.toast-success {
  border-left-color: var(--success);
}

.alert-toast.toast-danger {
  border-left-color: var(--danger);
}

/* PDF Print styling - Native template */
#print-payslip-receipt {
  display: none;
}

@media print {
  body {
    background-color: #fff !important;
    color: #000 !important;
    overflow: visible !important;
  }
  
  .app-container {
    display: block !important;
    height: auto !important;
  }
  
  .sidebar, .top-nav, .view-panel, .alert-notifier, .modal-overlay {
    display: none !important;
  }
  
  #print-payslip-receipt {
    display: block !important;
    padding: 3rem;
    font-family: 'Inter', sans-serif;
    color: #000;
  }

  .payslip-invoice-box {
    max-width: 800px;
    margin: auto;
    border: 1px solid #ddd;
    padding: 2.5rem;
    border-radius: 8px;
  }
  
  .invoice-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #333;
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
  }

  .invoice-title {
    text-align: right;
  }

  .invoice-title h2 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -1px;
    color: #111;
  }
  
  .invoice-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
  }

  .invoice-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2.5rem;
  }
  
  .invoice-table th, .invoice-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #eee;
    text-align: left;
  }

  .invoice-table th {
    background-color: #f9f9f9;
    font-weight: 600;
  }

  .invoice-summary {
    display: flex;
    justify-content: flex-end;
    margin-top: 1rem;
  }

  .summary-box {
    width: 300px;
    border-top: 2px solid #333;
    padding-top: 1rem;
  }

  .summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
  }

  .summary-total {
    font-size: 1.25rem;
    font-weight: 700;
    margin-top: 0.5rem;
    border-top: 1px dashed #ddd;
    padding-top: 0.5rem;
  }

  .invoice-footer {
    margin-top: 4rem;
    text-align: center;
    font-size: 0.85rem;
    color: #666;
    border-top: 1px solid #eee;
    padding-top: 1.5rem;
  }

  .signature-block {
    display: flex;
    justify-content: space-between;
    margin-top: 3rem;
  }

  .sig-line {
    border-top: 1px solid #333;
    width: 180px;
    text-align: center;
    padding-top: 0.5rem;
    font-size: 0.875rem;
  }
}

/* ===================================================== */
/* LOGIN SCREEN (added for Supabase Authentication)        */
/* ===================================================== */
.login-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--bg-app);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.login-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.login-logo-icon {
  width: 42px;
  height: 42px;
  background-color: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-title);
}

.login-logo h1 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  margin: 0;
}

.login-logo p {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0;
}

.login-error {
  background-color: var(--danger-light);
  color: var(--danger);
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.825rem;
  margin-bottom: 1rem;
  display: none;
}

.login-error.active {
  display: block;
}

.login-submit-btn {
  width: 100%;
  justify-content: center;
  margin-top: 0.5rem;
}

.logged-in-widget {
  background-color: rgba(255, 255, 255, 0.04);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.logged-in-widget .logged-in-email {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.55);
  word-break: break-all;
  margin-bottom: 0.15rem;
}

.logged-in-widget .logged-in-role {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.6rem;
}

.logout-btn {
  width: 100%;
  justify-content: center;
  background-color: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: #fff;
}

.logout-btn:hover {
  background-color: rgba(255,255,255,0.14);
}