@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&family=Lexend:wght@300;400;500;600;700;800&family=Roboto+Mono:wght@400;500;600;700&display=swap');

/* ==========================================================================
   HRFlow Design System (DESIGN.md)
   ========================================================================== */

:root, [data-bs-theme="light"] {
  /* Bootstrap Theme Overrides - HRFlow Integration */
  --bs-primary: #7C3AED;
  --bs-primary-rgb: 124, 58, 237;
  --bs-primary-bg-subtle: #F5F3FF;
  --bs-primary-border-subtle: #EDE9FE;
  --bs-primary-text-emphasis: #5B21B6;

  --bs-secondary: #0D9488;
  --bs-secondary-rgb: 13, 148, 136;
  --bs-secondary-bg-subtle: #F0FDFA;
  --bs-secondary-border-subtle: #CCFBF1;
  --bs-secondary-text-emphasis: #0F766E;

  --bs-success: #059669;
  --bs-success-rgb: 5, 150, 105;
  --bs-success-bg-subtle: #ECFDF5;
  --bs-success-text-emphasis: #059669;

  --bs-warning: #D97706;
  --bs-warning-rgb: 217, 119, 6;
  --bs-warning-bg-subtle: #FFFBEB;
  --bs-warning-text-emphasis: #D97706;

  --bs-danger: #EF4444;
  --bs-danger-rgb: 239, 68, 68;
  --bs-danger-bg-subtle: #FEF2F2;
  --bs-danger-text-emphasis: #EF4444;

  --bs-info: #2563EB;
  --bs-info-rgb: 37, 99, 235;
  --bs-info-bg-subtle: #EFF6FF;
  --bs-info-text-emphasis: #2563EB;

  --bs-link-color: #7C3AED;
  --bs-link-hover-color: #5B21B6;
  --bs-border-color: #E5E7EB;
  --bs-body-font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --bs-body-bg: #FAFAFA;
  --bs-body-color: #1F2937;

  /* Colors */
  --primary-color: #7C3AED;
  --primary-hover: #5B21B6;
  --primary-light: #F5F3FF;
  --primary-subtle: #EDE9FE;

  --secondary-color: #0D9488;
  --secondary-hover: #0F766E;
  --secondary-light: #F0FDFA;
  --secondary-subtle: #CCFBF1;

  --tertiary-color: #F97316;
  --tertiary-hover: #EA580C;
  --tertiary-light: #FFF7ED;
  --tertiary-subtle: #FFEDD5;

  --bg-app: #FAFAFA;
  --bg-card: #FFFFFF;
  --surface-raised: #F9FAFB;
  --bg-sidebar: #1E1B2E;
  --bg-navbar: rgba(255, 255, 255, 0.92);

  --border-color: #E5E7EB;
  --border-light: #F3F4F6;

  --text-main: #1F2937;
  --text-muted: #6B7280;
  --text-tertiary: #9CA3AF;
  --text-sidebar: #9CA3AF;
  --sidebar-active: #FFFFFF;
  --sidebar-hover: rgba(124, 58, 237, 0.16);

  /* Semantic Feedback */
  --success-color: #059669;
  --success-bg: #ECFDF5;
  --success-text: #059669;

  --warning-color: #D97706;
  --warning-bg: #FFFBEB;
  --warning-text: #D97706;

  --danger-color: #EF4444;
  --danger-hover: #DC2626;
  --danger-bg: #FEF2F2;
  --danger-text: #EF4444;

  --info-color: #2563EB;
  --info-bg: #EFF6FF;
  --info-text: #2563EB;

  /* Elevation (DESIGN.md) */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 2px 8px 0 rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px 0 rgba(0, 0, 0, 0.10);
  --focus-ring: 0 0 0 3px rgba(124, 58, 237, 0.25);
  --card-shadow: var(--shadow-sm);
  --glass-blur: blur(12px);

  /* Form inputs */
  --input-bg: #FFFFFF;
  --input-border: #E5E7EB;
  --input-border-hover: #A78BFA;
  --input-border-focus: #7C3AED;
  --input-error-border: #EF4444;
  --input-error-bg: #FEF2F2;
  --input-disabled-bg: #F9FAFB;

  /* Radii (DESIGN.md) */
  --radius-none: 0px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Typography */
  --font-headline: 'Lexend', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Roboto Mono', monospace;
}

/* ==========================================================================
   Dark Theme (Warm Purple / Slate - DESIGN.md aligned)
   ========================================================================== */

html.dark-theme, body.dark-theme, [data-bs-theme="dark"] {
  /* Bootstrap Theme Overrides - Dark Mode */
  --bs-primary: #8B5CF6;
  --bs-primary-rgb: 139, 92, 246;
  --bs-primary-bg-subtle: rgba(124, 58, 237, 0.22);
  --bs-primary-border-subtle: rgba(124, 58, 237, 0.35);
  --bs-primary-text-emphasis: #C4B5FD;

  --bs-secondary: #14B8A6;
  --bs-secondary-rgb: 20, 184, 166;
  --bs-secondary-bg-subtle: rgba(20, 184, 166, 0.2);

  --bs-success: #10B981;
  --bs-success-rgb: 16, 185, 129;
  --bs-warning: #F59E0B;
  --bs-warning-rgb: 245, 158, 11;
  --bs-danger: #F87171;
  --bs-danger-rgb: 248, 113, 113;

  --bs-link-color: #A78BFA;
  --bs-link-hover-color: #C4B5FD;
  --bs-border-color: #2E2942;
  --bs-body-bg: #0F0E17;
  --bs-body-color: #F9FAFB;

  --primary-color: #8B5CF6;
  --primary-hover: #7C3AED;
  --primary-light: rgba(124, 58, 237, 0.18);
  --primary-subtle: rgba(124, 58, 237, 0.28);

  --secondary-color: #14B8A6;
  --secondary-hover: #0D9488;
  --secondary-light: rgba(20, 184, 166, 0.15);
  --secondary-subtle: rgba(20, 184, 166, 0.25);

  --tertiary-color: #FB923C;
  --tertiary-hover: #F97316;
  --tertiary-light: rgba(251, 146, 60, 0.15);
  --tertiary-subtle: rgba(251, 146, 60, 0.25);

  --bg-app: #0F0E17;
  --bg-card: #191624;
  --surface-raised: #221E31;
  --bg-sidebar: #0C0B12;
  --bg-navbar: rgba(25, 22, 36, 0.90);

  --border-color: #2E2942;
  --border-light: #252136;

  --text-main: #F9FAFB;
  --text-muted: #9CA3AF;
  --text-tertiary: #6B7280;
  --text-sidebar: #A78BFA;
  --sidebar-active: #FFFFFF;
  --sidebar-hover: rgba(139, 92, 246, 0.16);

  --success-color: #10B981;
  --success-bg: rgba(16, 185, 129, 0.15);
  --success-text: #34D399;

  --warning-color: #F59E0B;
  --warning-bg: rgba(245, 158, 11, 0.15);
  --warning-text: #FBBF24;

  --danger-color: #F87171;
  --danger-hover: #EF4444;
  --danger-bg: rgba(239, 68, 68, 0.15);
  --danger-text: #F87171;

  --info-color: #38BDF8;
  --info-bg: rgba(56, 189, 248, 0.15);
  --info-text: #38BDF8;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 2px 8px 0 rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 4px 16px 0 rgba(0, 0, 0, 0.6);
  --focus-ring: 0 0 0 3px rgba(139, 92, 246, 0.35);
  --card-shadow: var(--shadow-sm);

  --input-bg: #191624;
  --input-border: #2E2942;
  --input-border-hover: #8B5CF6;
  --input-border-focus: #A78BFA;
  --input-error-border: #F87171;
  --input-error-bg: rgba(239, 68, 68, 0.12);
  --input-disabled-bg: #12101B;
}

/* ==========================================================================
   Base & Typography (DESIGN.md)
   ========================================================================== */

* {
  box-sizing: border-box;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

body {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 22px;
  background-color: var(--bg-app);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Headlines (Lexend) */
h1, .h1 {
  font-family: var(--font-headline);
  font-size: 32px;
  line-height: 40px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

h2, .h2 {
  font-family: var(--font-headline);
  font-size: 24px;
  line-height: 32px;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

h3, .h3 {
  font-family: var(--font-headline);
  font-size: 20px;
  line-height: 28px;
  font-weight: 600;
  color: var(--text-main);
}

h4, .h4 {
  font-family: var(--font-headline);
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
  color: var(--text-main);
}

h5, .h5 {
  font-family: var(--font-headline);
  font-size: 15px;
  line-height: 22px;
  font-weight: 600;
  color: var(--text-main);
}

h6, .h6 {
  font-family: var(--font-headline);
  font-size: 13px;
  line-height: 20px;
  font-weight: 600;
  color: var(--text-main);
}

p, span, div, li, td, th {
  font-family: var(--font-body);
}

small, .text-small, .small {
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 18px;
}

code, kbd, samp, pre, .font-mono, .mono-code {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 20px;
}

/* Text Colors */
.text-primary {
  color: var(--primary-color) !important;
}

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

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

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

/* ==========================================================================
   Cards & Panels (DESIGN.md)
   ========================================================================== */

.glass-card, .card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md); /* 8px */
  box-shadow: var(--shadow-sm);
  padding: 24px; /* 24px padding */
  margin-bottom: 24px;
  color: var(--text-main);
  transition: background-color 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.glass-card:hover, .card:hover {
  background-color: var(--surface-raised);
}

/* Elevated Card Variant */
.card-elevated, .card.elevated {
  border: none;
  box-shadow: var(--shadow-md);
}

.card-header {
  background-color: transparent;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0 0 16px 0;
  margin-bottom: 16px;
  font-family: var(--font-headline);
  font-weight: 600;
}

.card-footer {
  background-color: transparent;
  border-top: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 16px 0 0 0;
  margin-top: 16px;
}

/* ==========================================================================
   Buttons (DESIGN.md: Primary, Secondary, Ghost, Destructive, sm/md/lg)
   ========================================================================== */

.btn {
  font-family: var(--font-body);
  font-weight: 500;
  border-radius: var(--radius-md); /* 8px */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.15s ease-in-out;
  text-decoration: none;
  cursor: pointer;
}

/* Button Sizes */
.btn-sm, .btn-xs {
  padding: 6px 12px !important;
  font-size: 12px !important;
  min-height: 32px !important;
  line-height: 18px !important;
  border-radius: var(--radius-md) !important;
}

.btn-md, .btn:not(.btn-sm):not(.btn-xs):not(.btn-lg) {
  padding: 8px 16px;
  font-size: 14px;
  min-height: 40px;
  line-height: 22px;
}

.btn-lg {
  padding: 10px 24px !important;
  font-size: 16px !important;
  min-height: 48px !important;
  line-height: 24px !important;
  border-radius: var(--radius-md) !important;
}

/* Primary Button */
.btn-primary {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: #FFFFFF !important;
  border: none !important;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
  background-color: var(--primary-hover) !important;
  border-color: var(--primary-hover) !important;
  color: #FFFFFF !important;
  box-shadow: var(--shadow-md);
}

/* Secondary Button (Outlined with Purple text and #F5F3FF hover) */
.btn-secondary, .btn-outline-primary {
  background-color: transparent !important;
  color: var(--primary-color) !important;
  border: 1px solid var(--primary-color) !important;
}

.btn-secondary:hover, .btn-secondary:focus, .btn-secondary:active,
.btn-outline-primary:hover, .btn-outline-primary:focus, .btn-outline-primary:active {
  background-color: var(--primary-light) !important;
  color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
}

/* Ghost Button (Transparent, #6B7280 text, #F3F4F6 hover) */
.btn-ghost, .btn-light {
  background-color: transparent !important;
  color: var(--text-muted) !important;
  border: none !important;
}

.btn-ghost:hover, .btn-ghost:focus, .btn-ghost:active,
.btn-light:hover, .btn-light:focus, .btn-light:active {
  background-color: var(--border-light) !important;
  color: var(--text-main) !important;
}

/* Destructive Button (#EF4444 fill, #DC2626 hover) */
.btn-destructive, .btn-danger {
  background-color: var(--danger-color) !important;
  border-color: var(--danger-color) !important;
  color: #FFFFFF !important;
  border: none !important;
  box-shadow: var(--shadow-sm);
}

.btn-destructive:hover, .btn-destructive:focus, .btn-destructive:active,
.btn-danger:hover, .btn-danger:focus, .btn-danger:active {
  background-color: var(--danger-hover) !important;
  border-color: var(--danger-hover) !important;
  color: #FFFFFF !important;
  box-shadow: var(--shadow-md);
}

/* Secondary Teal Accent Button Variant */
.btn-teal, .btn-outline-secondary {
  background-color: transparent !important;
  color: var(--secondary-color) !important;
  border: 1px solid var(--secondary-color) !important;
}

.btn-teal:hover, .btn-outline-secondary:hover {
  background-color: var(--secondary-light) !important;
  color: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
}

/* Disabled State */
.btn:disabled, .btn.disabled {
  opacity: 0.5 !important;
  cursor: not-allowed !important;
  pointer-events: none !important;
  box-shadow: none !important;
}

/* ==========================================================================
   Form Inputs & Controls (DESIGN.md: 40px height, 8px radius, focus ring)
   ========================================================================== */

.form-control, .form-select, .input-group-text {
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-main);
  border-radius: var(--radius-md); /* 8px */
  padding: 8px 12px;
  min-height: 40px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 22px;
  box-shadow: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.form-control:hover:not(:disabled):not(:focus),
.form-select:hover:not(:disabled):not(:focus) {
  border-color: var(--input-border-hover); /* #A78BFA */
}

.form-control:focus, .form-select:focus {
  background-color: var(--input-bg);
  border-color: var(--input-border-focus); /* #7C3AED */
  color: var(--text-main);
  box-shadow: var(--focus-ring); /* 3px ring #7C3AED at 25% */
  outline: none;
}

.form-control.is-invalid, .form-control:invalid.touched {
  border-color: var(--input-error-border);
  background-color: var(--input-error-bg);
}

.form-control:disabled, .form-select:disabled {
  background-color: var(--input-disabled-bg);
  border-color: var(--input-border);
  opacity: 0.75;
  cursor: not-allowed;
}

.form-control::placeholder {
  color: var(--text-tertiary);
}

.form-label {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  color: var(--text-main);
  margin-bottom: 4px;
}

.form-text, .form-helper {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 4px;
}

.invalid-feedback, .error-text {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12px;
  color: var(--danger-color);
  margin-top: 4px;
}

select option {
  background-color: var(--input-bg);
  color: var(--text-main);
}

/* Checkboxes (DESIGN.md: 18px square, 4px radius) */
.form-check-input[type="checkbox"] {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-sm); /* 4px */
  border: 2px solid #D1D5DB;
  background-color: #FFFFFF;
  cursor: pointer;
  margin-top: 2px;
}

.form-check-input[type="checkbox"]:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.form-check-input[type="checkbox"]:indeterminate {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.form-check-input[type="checkbox"]:focus {
  box-shadow: var(--focus-ring);
  border-color: var(--primary-color);
}

/* Radio Buttons (DESIGN.md: 18px circle, inner dot #7C3AED) */
.form-check-input[type="radio"] {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid #D1D5DB;
  background-color: #FFFFFF;
  cursor: pointer;
  margin-top: 2px;
}

.form-check-input[type="radio"]:checked {
  background-color: #FFFFFF;
  border-color: var(--primary-color);
  background-image: radial-gradient(circle, var(--primary-color) 45%, transparent 50%);
}

.form-check-input[type="radio"]:focus {
  box-shadow: var(--focus-ring);
  border-color: var(--primary-color);
}

.form-check-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-check-label {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 14px;
  margin-left: 8px;
  color: var(--text-main);
}

/* ==========================================================================
   Chips & Status Badges (DESIGN.md)
   ========================================================================== */

/* Filter Chips (pill, #F5F3FF bg, #7C3AED text, 1px #7C3AED border) */
.chip-filter, .badge-filter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--primary-light);
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
}

/* Status Chips (Pill shape, no border, semantic mapping) */
.badge, .chip-status, .badge-status {
  border-radius: var(--radius-full);
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Semantic Status Mapping */
.badge.bg-success, .badge.bg-success-subtle,
.badge-status.active, .chip-status.active,
.badge-active {
  background-color: var(--success-bg) !important;
  color: var(--success-color) !important;
  border: none !important;
}

.badge.bg-warning, .badge.bg-warning-subtle,
.badge-status.pending, .chip-status.pending,
.badge-pending {
  background-color: var(--warning-bg) !important;
  color: var(--warning-color) !important;
  border: none !important;
}

.badge.bg-danger, .badge.bg-danger-subtle,
.badge-status.inactive, .chip-status.inactive,
.badge-status.rejected, .chip-status.rejected,
.badge-inactive {
  background-color: var(--danger-bg) !important;
  color: var(--danger-color) !important;
  border: none !important;
}

.badge.bg-info, .badge.bg-info-subtle,
.badge-status.info, .chip-status.info {
  background-color: var(--info-bg) !important;
  color: var(--info-color) !important;
  border: none !important;
}

.badge.bg-primary, .badge.bg-primary-subtle,
.badge.bg-primary.bg-opacity-10 {
  background-color: var(--primary-light) !important;
  color: var(--primary-color) !important;
  border: none !important;
}

.badge.bg-secondary, .badge.bg-secondary-subtle {
  background-color: var(--secondary-light) !important;
  color: var(--secondary-color) !important;
  border: none !important;
}

/* ==========================================================================
   Lists & Tables (DESIGN.md: 48px row height, 12px/16px padding, #F5F3FF hover)
   ========================================================================== */

.table, .professional-table {
  font-family: var(--font-body);
  font-size: 14px;
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  color: var(--text-main);
}

.table th, .professional-table th {
  font-family: var(--font-headline);
  background-color: var(--bg-app);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.table td, .professional-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  height: 48px;
  vertical-align: middle;
}

.table tr:hover td, .professional-table tr:hover td {
  background-color: var(--primary-light);
}

.table tr.selected td, .professional-table tr.selected td {
  background-color: var(--primary-subtle);
  border-left: 3px solid var(--primary-color);
}

/* DataTables Overrides */
.dataTables_wrapper .dataTables_length, 
.dataTables_wrapper .dataTables_filter, 
.dataTables_wrapper .dataTables_info, 
.dataTables_wrapper .dataTables_processing, 
.dataTables_wrapper .dataTables_paginate {
  color: var(--text-main) !important;
  font-family: var(--font-body);
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
  color: var(--text-main) !important;
  border-radius: var(--radius-md) !important;
  padding: 6px 12px !important;
  font-size: 13px !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
  background: var(--primary-light) !important;
  border-color: var(--primary-color) !important;
  color: var(--primary-color) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
  background: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: #FFFFFF !important;
}

/* ==========================================================================
   Tooltips (DESIGN.md: #1E1B4B fill, #FFFFFF text, DM Sans 12px, 4px corners)
   ========================================================================== */

.tooltip .tooltip-inner {
  background-color: #1E1B4B;
  color: #FFFFFF;
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 18px;
  border-radius: var(--radius-sm); /* 4px */
  box-shadow: var(--shadow-md);
  padding: 6px 10px;
  max-width: 240px;
}

.tooltip.bs-tooltip-top .tooltip-arrow::before {
  border-top-color: #1E1B4B;
}

.tooltip.bs-tooltip-bottom .tooltip-arrow::before {
  border-bottom-color: #1E1B4B;
}

.tooltip.bs-tooltip-start .tooltip-arrow::before {
  border-left-color: #1E1B4B;
}

.tooltip.bs-tooltip-end .tooltip-arrow::before {
  border-right-color: #1E1B4B;
}

/* ==========================================================================
   Theme Switch & Nav Elements
   ========================================================================== */

.theme-switch {
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  transition: all 0.2s ease;
}

.theme-switch:hover {
  background-color: var(--primary-light);
  color: var(--primary-color);
}

/* Navigation Layout */
#wrapper {
  display: flex;
  width: 100%;
  align-items: stretch;
}

#sidebar {
  min-width: 260px;
  max-width: 260px;
  background-color: var(--bg-sidebar);
  color: var(--text-sidebar);
  min-height: 100vh;
  position: fixed;
  z-index: 1000;
  box-shadow: 4px 0 10px rgba(0, 0, 0, 0.05);
}

#sidebar .sidebar-header {
  padding: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.15rem;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

#sidebar ul.components {
  padding: 1.25rem 0;
}

#sidebar ul li a {
  padding: 0.75rem 1.5rem;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-sidebar);
  text-decoration: none;
  border-left: 4px solid transparent;
  transition: all 0.15s ease;
}

#sidebar ul li a:hover {
  color: #FFFFFF;
  background: var(--sidebar-hover);
  border-left-color: var(--secondary-color); /* Teal accent */
}

#sidebar ul li.active > a {
  color: #FFFFFF;
  background: rgba(124, 58, 237, 0.20);
  border-left-color: var(--primary-color);
  font-weight: 600;
}

#content {
  width: 100%;
  padding-left: 260px;
  min-height: 100vh;
}

#content-body {
  padding: 2rem;
  margin-top: 70px;
}

/* Navbar */
.top-navbar {
  height: 70px;
  background-color: var(--bg-navbar);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-color);
  position: fixed;
  top: 0;
  right: 0;
  left: 260px;
  z-index: 999;
}

/* Metric Cards */
.metric-card {
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.08) 0%, transparent 60%);
  transform: rotate(30deg);
  pointer-events: none;
}

.metric-card .icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.hover-lift {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Modals */
.modal-content {
  border-radius: var(--radius-lg); /* 12px */
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
}

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

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

/* Dropdowns */
.dropdown-menu {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.dropdown-item {
  color: var(--text-main);
  padding: 8px 16px;
  font-size: 14px;
}

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

/* Kanban Board */
.kanban-column {
  background-color: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.kanban-column.drag-over {
  background-color: var(--primary-light) !important;
  border-color: var(--primary-color) !important;
}

.kanban-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.kanban-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Candidate Timeline */
.timeline {
  border-left: 2px solid var(--border-color);
  padding: 1rem 0 1rem 1.5rem;
  margin-left: 0.75rem;
  position: relative;
}

.timeline-item {
  position: relative;
  margin-bottom: 1.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -29px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--primary-color);
  border: 2px solid var(--bg-card);
}

.timeline-item.join-item::before {
  background-color: var(--success-color);
}

.timeline-item.reject-item::before {
  background-color: var(--danger-color);
}

.timeline-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

/* Auth & Login Pages (DESIGN.md: warm-professional, #FAFAFA bg, #FFFFFF surface, 12px radius, md shadow) */
.login-bg, .auth-wrapper {
  background-color: var(--bg-app);
  background-image: radial-gradient(circle at 50% 20%, rgba(124, 58, 237, 0.05) 0%, transparent 60%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem;
}

.login-card, .auth-card {
  max-width: 440px;
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); /* 12px */
  box-shadow: var(--shadow-md);
  padding: 2.25rem 2rem;
  margin: 0 auto;
  color: var(--text-main);
  position: relative;
}

/* Auth Input Groups with Focused Icon States */
.auth-card .input-group-text,
.login-card .input-group-text {
  background-color: var(--bg-app);
  border: 1px solid var(--input-border);
  border-right: none;
  color: var(--text-muted);
  border-top-left-radius: var(--radius-md);
  border-bottom-left-radius: var(--radius-md);
  padding: 8px 14px;
  transition: all 0.15s ease;
}

.auth-card .input-group .form-control,
.login-card .input-group .form-control {
  border-top-left-radius: 0 !important;
  border-bottom-left-radius: 0 !important;
}

.auth-card .input-group:focus-within .input-group-text,
.login-card .input-group:focus-within .input-group-text {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background-color: var(--primary-light);
}

/* ==========================================================================
   Dark Mode Explicit Component Overrides
   ========================================================================== */

.dark-theme body {
  background-color: #0F0E17;
  color: #F9FAFB;
}

.dark-theme .glass-card,
.dark-theme .card {
  background-color: #191624 !important;
  border-color: #2E2942 !important;
  color: #F9FAFB !important;
}

.dark-theme .glass-card:hover,
.dark-theme .card:hover {
  background-color: #221E31 !important;
}

.dark-theme .card-header,
.dark-theme .card-footer {
  background-color: transparent !important;
  border-color: #2E2942 !important;
  color: #F9FAFB !important;
}

.dark-theme .form-control,
.dark-theme .form-select,
.dark-theme .input-group-text {
  background-color: #191624 !important;
  border-color: #2E2942 !important;
  color: #F9FAFB !important;
}

.dark-theme .form-control:focus,
.dark-theme .form-select:focus {
  border-color: #8B5CF6 !important;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.35) !important;
}

.dark-theme .form-control:disabled,
.dark-theme .form-select:disabled {
  background-color: #12101B !important;
  border-color: #242033 !important;
  color: #6B7280 !important;
}

.dark-theme select option {
  background-color: #191624 !important;
  color: #F9FAFB !important;
}

.dark-theme .modal-content {
  background-color: #191624 !important;
  border: 1px solid #2E2942 !important;
  color: #F9FAFB !important;
  box-shadow: var(--shadow-lg) !important;
}

.dark-theme .modal-header,
.dark-theme .modal-footer {
  border-color: #2E2942 !important;
}

.dark-theme .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

.dark-theme .dropdown-menu {
  background-color: #191624 !important;
  border: 1px solid #2E2942 !important;
  box-shadow: var(--shadow-md) !important;
}

.dark-theme .dropdown-item {
  color: #D1D5DB !important;
}

.dark-theme .dropdown-item:hover,
.dark-theme .dropdown-item:focus {
  background-color: rgba(124, 58, 237, 0.2) !important;
  color: #FFFFFF !important;
}

.dark-theme .dropdown-divider {
  border-color: #2E2942 !important;
}

.dark-theme .bg-white {
  background-color: #191624 !important;
  color: #F9FAFB !important;
}

.dark-theme .bg-light {
  background-color: #0F0E17 !important;
  color: #F9FAFB !important;
}

.dark-theme .text-dark {
  color: #F9FAFB !important;
}

.dark-theme .text-black {
  color: #FFFFFF !important;
}

.dark-theme .text-muted {
  color: #9CA3AF !important;
}

.dark-theme .border,
.dark-theme .border-light,
.dark-theme .border-bottom,
.dark-theme .border-top,
.dark-theme .border-start,
.dark-theme .border-end {
  border-color: #2E2942 !important;
}

.dark-theme .kanban-column {
  background-color: #0F0E17 !important;
  border-color: #2E2942 !important;
}

.dark-theme .kanban-card {
  background-color: #191624 !important;
  border-color: #2E2942 !important;
  color: #F9FAFB !important;
}

.dark-theme .kanban-card:hover {
  border-color: #8B5CF6 !important;
}

.dark-theme .table,
.dark-theme .professional-table {
  color: #F9FAFB !important;
  border-color: #2E2942 !important;
}

.dark-theme .table > :not(caption) > * > * {
  background-color: transparent;
  color: #F9FAFB !important;
  border-bottom-color: #2E2942 !important;
}

.dark-theme .table-striped > tbody > tr:nth-of-type(odd) > * {
  background-color: rgba(255, 255, 255, 0.02) !important;
  color: #F9FAFB !important;
}

.dark-theme .table-hover > tbody > tr:hover > *,
.dark-theme .table tr:hover td,
.dark-theme .professional-table tr:hover td {
  background-color: rgba(124, 58, 237, 0.15) !important;
  color: #FFFFFF !important;
}

.dark-theme .professional-table th,
.dark-theme .table th {
  background-color: #0F0E17 !important;
  color: #9CA3AF !important;
  border-bottom-color: #2E2942 !important;
}

.dark-theme .dataTables_wrapper .dataTables_length,
.dark-theme .dataTables_wrapper .dataTables_filter,
.dark-theme .dataTables_wrapper .dataTables_info,
.dark-theme .dataTables_wrapper .dataTables_processing,
.dark-theme .dataTables_wrapper .dataTables_paginate {
  color: #9CA3AF !important;
}

.dark-theme .dataTables_wrapper .dataTables_filter input,
.dark-theme .dataTables_wrapper .dataTables_length select {
  background-color: #191624 !important;
  border: 1px solid #2E2942 !important;
  color: #F9FAFB !important;
}

.dark-theme .dataTables_wrapper .dataTables_paginate .paginate_button {
  color: #9CA3AF !important;
}

.dark-theme .dataTables_wrapper .dataTables_paginate .paginate_button:hover {
  background: #2E2942 !important;
  border-color: #2E2942 !important;
  color: #FFFFFF !important;
}

.dark-theme .dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dark-theme .dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
  background: #7C3AED !important;
  border-color: #7C3AED !important;
  color: #FFFFFF !important;
}

/* ==========================================================================
   Print & Responsive Overrides
   ========================================================================== */

@media print {
  #sidebar, .top-navbar, .btn, .dataTables_length, .dataTables_filter, .dataTables_paginate, .card-header .actions {
    display: none !important;
  }
  #content {
    padding-left: 0 !important;
  }
  #content-body {
    margin-top: 0 !important;
    padding: 0 !important;
  }
  .glass-card, .card {
    border: none !important;
    box-shadow: none !important;
    background: transparent !important;
    backdrop-filter: none !important;
  }
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 14, 23, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  transition: opacity 0.3s ease;
}

@media (max-width: 992px) {
  #sidebar {
    margin-left: -260px;
    transition: margin-left 0.3s ease;
  }
  #sidebar.active {
    margin-left: 0;
  }
  .sidebar-backdrop.show {
    display: block;
    opacity: 1;
  }
  #content {
    padding-left: 0;
  }
  .top-navbar {
    left: 0;
  }
  #sidebar.active + #content .top-navbar {
    left: 260px;
  }
}

@media (max-width: 768px) {
  #content-body {
    padding: 1rem 0.75rem !important;
    margin-top: 65px !important;
  }
  
  .top-navbar {
    padding-left: 0.75rem !important;
    padding-right: 0.75rem !important;
  }

  .glass-card, .card {
    padding: 1.25rem !important;
    margin-bottom: 1rem !important;
    border-radius: var(--radius-md) !important;
  }

  .modal-dialog {
    margin: 0.5rem !important;
  }

  /* Responsive Workflow Stepper */
  .stepper-circle {
    width: 34px !important;
    height: 34px !important;
    font-size: 0.85rem !important;
  }
  
  .stepper-label {
    font-size: 0.68rem !important;
    line-height: 1.15 !important;
    margin-top: 0.35rem !important;
    word-break: break-word;
  }

  .stepper-progress-bar {
    top: 17px !important;
  }

  .doc-card-header {
    flex-direction: column !important;
    align-items: flex-start !important;
  }

  .btn-mobile-full {
    width: 100% !important;
  }

  .table-responsive table th,
  .table-responsive table td {
    padding: 0.5rem 0.6rem !important;
    font-size: 0.8rem !important;
    white-space: nowrap;
  }

  .table-responsive table td.text-wrap-mobile {
    white-space: normal !important;
    min-width: 140px;
  }

  .fc .fc-toolbar {
    flex-direction: column !important;
    gap: 0.5rem !important;
  }

  .fc .fc-toolbar-title {
    font-size: 1.1rem !important;
  }

  .fc .fc-button {
    padding: 0.3rem 0.5rem !important;
    font-size: 0.75rem !important;
  }
}

@media (max-width: 576px) {
  .stepper-circle {
    width: 30px !important;
    height: 30px !important;
    font-size: 0.75rem !important;
  }

  .stepper-label {
    font-size: 0.62rem !important;
  }

  .stepper-progress-bar {
    top: 15px !important;
  }
}