/* ==========================================================================
   easyDSG App — Page-Level Styles
   Depends on: css/shared.css (design tokens, component styles)
   ========================================================================== */

/* --- Override legacy token values to align with shared.css --- */
:root {
  --color-primary: var(--easydsg-red, #c0392b);
  --color-primary-hover: #a93226;
  --color-primary-light: #fdecea;
  --color-secondary: #3B82F6;
  --color-secondary-hover: #2563EB;
  --color-secondary-light: #EFF6FF;
  --color-success: #059669;
  --color-success-light: #D1FAE5;
  --color-warning: #D97706;
  --color-warning-light: #FEF3C7;
  --color-danger: #DC2626;
  --color-danger-light: #FEE2E2;
  --color-info: #0284C7;
  --color-info-light: #E0F2FE;
  --color-bg: #F8FAFC;
  --color-bg-white: #FFFFFF;
  --color-text: #1E293B;
  --color-text-muted: #64748B;
  --color-text-light: #94A3B8;
  --color-border: #E2E8F0;
  --color-border-focus: var(--easydsg-red, #c0392b);

  /* Typography */
  --font-family: var(--font-family-base, 'Montserrat', sans-serif);
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 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;

  /* Layout */
  --header-height: 72px;
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);
  --transition: 0.15s ease;
}

/* --- Base --- */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-hover);
}

/* ==========================================================================
   App Shell (top bar + left sidebar)
   ========================================================================== */

.app-shell {
  display: flex;
  min-height: 100vh;
  background: var(--color-bg);
}

.app-sidebar {
  width: 260px;
  flex: 0 0 260px;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-white);
  border-right: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 1035;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  min-height: var(--header-height);
  padding: 0 var(--space-6);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-3);
}

.sidebar-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-3);
}

.nav-section-title {
  color: var(--color-text-light);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: var(--space-4) var(--space-3) var(--space-2);
}

.app-sidebar .nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0;
  border-radius: var(--border-radius);
  color: var(--color-text-muted);
  font-weight: 500;
  padding: 10px 12px;
  transition: all var(--transition);
}

.app-sidebar .nav-link:hover,
.app-sidebar .nav-link:focus {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.app-sidebar .nav-link.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}

.app-sidebar .nav-icon {
  width: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.app-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.app-main #main-navigation .navbar {
  position: sticky;
  top: 0;
  z-index: 1025;
}

.app-subheader,
.app-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 56px;
  padding: 0 var(--space-6);
  background: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
}

.app-subheader .header-title,
.app-header .header-title {
  margin: 0;
  font-size: var(--font-size-base);
  font-weight: 600;
}

.app-subheader .header-actions,
.app-header .header-actions {
  margin-left: auto;
}

.sidebar-toggle {
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-2);
  border-radius: var(--border-radius);
}

.sidebar-toggle:hover,
.sidebar-toggle:focus {
  background: var(--color-bg);
  color: var(--color-primary);
}

.app-content {
  padding: var(--space-6);
}

.sidebar-backdrop {
  display: none;
}

@media (max-width: 991.98px) {
  .app-sidebar {
    position: fixed;
    left: 0;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }

  .app-sidebar.show {
    transform: translateX(0);
  }

  .app-subheader {
    padding: 0 var(--space-4);
  }

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

  .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.35);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 1030;
  }

  .sidebar-backdrop.show {
    opacity: 1;
    pointer-events: all;
  }
}

/* ==========================================================================
   Navigation (public pages — landing, login, register)
   ========================================================================== */

.navbar-brand {
  font-weight: 700;
  color: var(--color-primary) !important;
  font-size: var(--font-size-xl);
}

.navbar .nav-link {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--space-2) var(--space-4) !important;
  transition: color var(--transition);
}

.navbar .nav-link:hover {
  color: var(--color-primary);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  transition: box-shadow var(--transition);
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
  padding: var(--space-4) var(--space-5);
}

.card-body {
  padding: var(--space-5);
}

.card-feature {
  text-align: center;
  padding: var(--space-8) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.card-feature .feature-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-control:focus,
.form-select:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.15);
}

.form-floating > label {
  color: var(--color-text-muted);
}

.form-control.is-valid {
  border-color: var(--color-success);
}

.form-control.is-invalid {
  border-color: var(--color-danger);
}

.invalid-feedback {
  color: var(--color-danger);
  font-size: var(--font-size-sm);
}

.valid-feedback {
  color: var(--color-success);
  font-size: var(--font-size-sm);
}

.password-strength {
  height: 4px;
  border-radius: 2px;
  margin-top: var(--space-2);
  transition: width var(--transition), background-color var(--transition);
}

.password-strength.strength-weak { background-color: var(--color-danger); width: 25%; }
.password-strength.strength-fair { background-color: var(--color-warning); width: 50%; }
.password-strength.strength-good { background-color: var(--color-info); width: 75%; }
.password-strength.strength-strong { background-color: var(--color-success); width: 100%; }

/* ==========================================================================
   Buttons (Bootstrap overrides)
   ========================================================================== */

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

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-outline-primary {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

/* ==========================================================================
   Status Badges
   ========================================================================== */

.badge-status {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 2px 10px;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
}

.badge-DRAFT,
.badge-draft { background-color: #94A3B8; color: #FFFFFF; }

.badge-IN_REVIEW,
.badge-in_review { background-color: var(--color-secondary); color: #FFFFFF; }

.badge-APPROVED,
.badge-approved { background-color: var(--color-success); color: #FFFFFF; }

.badge-REJECTED,
.badge-rejected { background-color: var(--color-danger); color: #FFFFFF; }

.badge-CLOSED,
.badge-closed { background-color: var(--color-text); color: #FFFFFF; }

.badge-ACTIVE,
.badge-active { background-color: var(--color-success); color: #FFFFFF; }

.badge-INACTIVE,
.badge-inactive { background-color: var(--color-text-muted); color: #FFFFFF; }

.badge-PENDING,
.badge-pending { background-color: var(--color-warning); color: #FFFFFF; }

.badge-COMPLETED,
.badge-completed { background-color: var(--color-primary); color: #FFFFFF; }

/* ==========================================================================
   Toast Container
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 1090;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 400px;
}

.toast {
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  animation: toast-slide-up 0.25s ease-out;
}

@keyframes toast-slide-up {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

/* ==========================================================================
   Loading Spinner Overlay
   ========================================================================== */

.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  border-radius: inherit;
}

.loading-overlay .spinner-border {
  width: 2rem;
  height: 2rem;
  color: var(--color-primary);
}

/* ==========================================================================
   Tables
   ========================================================================== */

.table {
  border-collapse: separate;
  border-spacing: 0;
}

.table thead th {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
  padding: 16px 24px;
  background-color: var(--color-bg);
}

.table tbody td {
  vertical-align: middle;
  font-size: var(--font-size-sm);
  padding: 16px 24px;
  border-bottom: 1px solid #f0f0f0;
  transition: background-color 0.15s ease;
}

.table tbody tr:hover td {
  background-color: rgba(0, 0, 0, 0.015);
}

/* Rounded table container */
.table-container {
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

/* ==========================================================================
   Hero Section (Landing)
   ========================================================================== */

.hero-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, #e74c3c 100%);
  color: #FFFFFF;
  padding: var(--space-12) 0;
  min-height: 70vh;
  display: flex;
  align-items: center;
}

.hero-section h1 {
  color: #FFFFFF;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
}

.hero-section p.lead {
  font-size: var(--font-size-xl);
  opacity: 0.9;
  max-width: 600px;
}

/* ==========================================================================
   Auth Pages
   ========================================================================== */

.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg);
  padding: var(--space-6);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--color-bg-white);
  border-radius: 16px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.08);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
}

.auth-card .auth-logo {
  text-align: center;
  margin-bottom: var(--space-6);
}

.auth-card .auth-logo h2 {
  font-weight: 700;
  color: var(--color-primary);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 575.98px) {
  .auth-card {
    padding: var(--space-5);
  }

  .hero-section {
    padding: var(--space-8) 0;
    min-height: auto;
  }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
  .toast-container,
  .btn,
  .no-print,
  #main-navigation {
    display: none !important;
  }

  body {
    background: #FFFFFF;
    color: #000000;
    font-size: 12pt;
  }

  .card {
    border: 1px solid #CCC;
    box-shadow: none;
    page-break-inside: avoid;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }

  .table {
    border-collapse: collapse;
  }

  .table th,
  .table td {
    border: 1px solid #CCC !important;
  }
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.text-muted {
  color: var(--color-text-muted) !important;
}

.bg-primary-light {
  background-color: var(--color-primary-light) !important;
}

.border-primary {
  border-color: var(--color-primary) !important;
}

.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* ==========================================================================
   Modal (premium overlay)
   ========================================================================== */

.modal-backdrop {
  background-color: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal-content {
  border: none;
  border-radius: var(--border-radius-xl);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.modal-header {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-5) var(--space-6);
}

.modal-body {
  padding: var(--space-5) var(--space-6);
}

.modal-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
}

/* ==========================================================================
   Dropdown (premium)
   ========================================================================== */

.dropdown-menu {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 4px;
}

.dropdown-item {
  border-radius: var(--border-radius);
  padding: 8px 12px;
  font-size: var(--font-size-sm);
  transition: background-color var(--transition);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: var(--color-bg);
}

/* ==========================================================================
   Empty State
   ========================================================================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-10) var(--space-6);
  color: var(--color-text-muted);
}

.empty-state i[data-lucide],
.empty-state .empty-icon {
  width: 48px;
  height: 48px;
  color: var(--color-text-light);
  margin-bottom: var(--space-4);
}

.empty-state .empty-title {
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.empty-state .empty-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  max-width: 320px;
}