/* ==========================================================================
   Release Tracker - Custom Stylesheet
   No external CSS frameworks. This is the sole stylesheet for the application.
   ========================================================================== */

/* ==========================================================================
   1. CSS Variables / Color Scheme
   ========================================================================== */

:root {
  /* Primary palette */
  --color-primary: #D24450;
  --color-primary-dark: #a8333d;
  --color-primary-light: #fdf2f2;

  /* Neutrals */
  --color-bg: #f7f8fa;
  --color-white: #ffffff;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Semantic colors */
  --color-success: #16a34a;
  --color-success-bg: #dcfce7;
  --color-success-border: #86efac;
  --color-error: #dc2626;
  --color-error-bg: #fee2e2;
  --color-error-border: #fca5a5;
  --color-warning: #ca8a04;
  --color-warning-bg: #fef9c3;
  --color-warning-border: #fde047;

  /* Layout dimensions */
  --header-height: 60px;
  --sidebar-width: 250px;
  --footer-height: 48px;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-size-base: 14px;
  --font-size-sm: 12px;
  --font-size-lg: 16px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
}


/* ==========================================================================
   2. Reset / Base Styles
   ========================================================================== */

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

html {
  font-size: var(--font-size-base);
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  color: var(--color-gray-800);
  background-color: var(--color-bg);
  min-height: 100vh;
}

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

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-gray-900);
  font-weight: 600;
  line-height: 1.3;
}

h1 { font-size: var(--font-size-2xl); margin-bottom: 16px; }
h2 { font-size: var(--font-size-xl); margin-bottom: 12px; }
h3 { font-size: var(--font-size-lg); margin-bottom: 8px; }


/* ==========================================================================
   3. Layout Structure (Header / Sidebar Nav / Content / Footer)
   ========================================================================== */

.app-layout {
  display: grid;
  grid-template-areas:
    "header header"
    "sidebar main"
    "footer footer";
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: auto 1fr var(--footer-height);
  min-height: 100vh;
}

.app-header-wrapper {
  grid-area: header;
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  height: 50px;
}

.header-top-left a {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.header-top-right {
  display: flex;
  align-items: center;
}

.header-top-link {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  padding: 3px 8px;
  border: 1px solid var(--color-primary);
  border-radius: 4px;
  transition: all 0.15s;
}

.header-top-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  height: var(--header-height);
}

.app-sidebar {
  grid-area: sidebar;
  background-color: var(--color-white);
  border-right: 1px solid var(--color-gray-200);
  overflow-y: auto;
}

.app-main {
  grid-area: main;
  padding: 24px 32px;
  overflow-y: auto;
  background-color: var(--color-bg);
}

.app-footer {
  grid-area: footer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-gray-200);
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
  height: var(--footer-height);
  position: sticky;
  bottom: 0;
  z-index: 99;
  padding: 0 24px;
}

.footer-legends {
  display: flex;
  gap: 16px;
  align-items: center;
}

.footer-legend {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
}

.legend-swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 2px;
  border: 1px solid rgba(0,0,0,0.15);
}

.legend-swatch.red { background-color: #fee2e2; border-left: 3px solid var(--color-error); }
.legend-swatch.yellow { background-color: #fef9c3; border-left: 3px solid var(--color-warning); }
.legend-swatch.approval { background-color: #d1fae5; }
.legend-swatch.reminder { background-color: #dbeafe; }


/* ==========================================================================
   4. Header Styling
   ========================================================================== */

.header-logo {
  min-width: 150px;
  min-height: 50px;
  display: flex;
  align-items: center;
}

.header-logo img {
  max-height: 40px;
  width: auto;
}

.header-logo-placeholder {
  min-width: 150px;
  min-height: 50px;
  display: flex;
  align-items: center;
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.5px;
}

.header-user {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: var(--font-size-sm);
}

.header-user-info {
  text-align: right;
}

.header-user-name {
  font-weight: 600;
  color: var(--color-white);
}

.header-user-role {
  color: var(--color-gray-300);
  font-size: var(--font-size-sm);
}

.header-logout-btn {
  background: transparent;
  border: 1px solid var(--color-gray-300);
  color: var(--color-white);
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: background-color 0.2s;
}

.header-logout-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
}


/* ==========================================================================
   5. Navigation Styling
   ========================================================================== */

.nav-menu {
  padding: 0;
}

.nav-item {
  border-left: 3px solid transparent;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--color-gray-700);
  font-size: var(--font-size-base);
  transition: background-color 0.15s, border-color 0.15s;
  text-decoration: none;
}

.nav-link:hover {
  background-color: var(--color-gray-100);
  color: var(--color-primary);
  text-decoration: none;
}

.nav-item.active {
  border-left-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.nav-item.active > .nav-link {
  color: var(--color-primary-dark);
  font-weight: 600;
}

/* Navigation icons */
.nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.7;
}

.nav-item.active .nav-icon {
  opacity: 1;
}

/* Nested sub-menus */
.nav-submenu {
  padding-left: 0;
}

.nav-submenu .nav-link {
  padding-left: 48px;
  font-size: var(--font-size-sm);
}

.nav-submenu .nav-item {
  border-left: none;
}

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

.nav-submenu .nav-item.active > .nav-link {
  color: var(--color-primary);
  font-weight: 600;
}

/* Nav section divider */
.nav-divider {
  height: 1px;
  background-color: var(--color-gray-200);
  margin: 12px 16px;
}


/* ==========================================================================
   6. Flash Message Styling
   ========================================================================== */

.flash-messages {
  margin-bottom: 20px;
}

.flash-message {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 8px;
  font-size: var(--font-size-base);
  border: 1px solid;
  display: flex;
  align-items: center;
  gap: 8px;
}

.flash-message:last-child {
  margin-bottom: 0;
}

.flash-message-success {
  background-color: var(--color-success-bg);
  border-color: var(--color-success-border);
  color: var(--color-success);
}

.flash-message-error {
  background-color: var(--color-error-bg);
  border-color: var(--color-error-border);
  color: var(--color-error);
}

.flash-message-warning {
  background-color: var(--color-warning-bg);
  border-color: var(--color-warning-border);
  color: var(--color-warning);
}


/* ==========================================================================
   7. Form Styling
   ========================================================================== */

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 4px;
  font-weight: 500;
  color: var(--color-gray-700);
  font-size: var(--font-size-sm);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--color-gray-300);
  border-radius: 4px;
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  color: var(--color-gray-800);
  background-color: var(--color-white);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(44, 82, 130, 0.1);
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

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

.form-checkbox-group {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.form-checkbox-group input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: 4px;
}

.form-actions {
  margin-top: 24px;
  display: flex;
  gap: 12px;
  align-items: center;
}


/* ==========================================================================
   8. Button Styling
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s, opacity 0.15s;
  line-height: 1.4;
}

.btn:hover {
  text-decoration: none;
  opacity: 0.9;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

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

.btn-secondary {
  background-color: var(--color-gray-200);
  color: var(--color-gray-700);
}

.btn-secondary:hover {
  background-color: var(--color-gray-300);
}

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

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

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

.btn-sm {
  padding: 4px 10px;
  font-size: var(--font-size-sm);
}

.btn-link {
  background: none;
  color: var(--color-primary);
  padding: 0;
  border: none;
}

.btn-link:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}


/* ==========================================================================
   9. Table Styling
   ========================================================================== */

.data-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-white);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.data-table thead {
  background-color: var(--color-gray-50);
  border-bottom: 2px solid var(--color-gray-200);
}

.data-table th {
  padding: 10px 14px;
  text-align: left;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-600);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.data-table td {
  padding: 10px 14px;
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
  border-bottom: 1px solid var(--color-gray-100);
}

/* Table row striping */
/* .data-table tbody tr:nth-child(even) {
  background-color: var(--color-gray-50);
} */

/* Table row hover */
.data-table tbody tr:hover {
  background-color: var(--color-gray-50);
}

/* Table actions column */
.data-table .table-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* Empty state within table */
.table-empty {
  text-align: center;
  padding: 32px 16px;
  color: var(--color-gray-500);
  font-style: italic;
}


/* ==========================================================================
   10. Login Page - Centered Standalone Layout
   ========================================================================== */

.login-layout {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-color: var(--color-bg);
  padding: 24px;
}

.login-container {
  width: 100%;
  max-width: 400px;
  background-color: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  padding: 40px 32px;
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-header h1 {
  font-size: var(--font-size-2xl);
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.login-header p {
  color: var(--color-gray-500);
  font-size: var(--font-size-base);
}

.login-form .form-group {
  margin-bottom: 20px;
}

.login-form .form-input {
  padding: 10px 14px;
  font-size: var(--font-size-base);
}

.login-form .btn-primary {
  width: 100%;
  padding: 10px 16px;
  font-size: var(--font-size-lg);
  justify-content: center;
}


/* ==========================================================================
   11. Page Content Utilities
   ========================================================================== */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header h1 {
  margin-bottom: 0;
}

.page-content {
  background-color: var(--color-white);
  border-radius: 6px;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Card style for dashboard widgets */
.card {
  background-color: var(--color-white);
  border-radius: 6px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-gray-200);
}

.card-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 8px;
}

.card-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-gray-900);
}

/* Dashboard grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

/* Quick actions */
.quick-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}


/* ==========================================================================
   12. Timeline Styling
   ========================================================================== */

.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-gray-200);
}

.timeline-status {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: 20px;
  padding: 12px 16px;
  background-color: var(--color-primary-light);
  border-radius: 6px;
  color: var(--color-primary-dark);
}

.timeline-event {
  position: relative;
  padding-bottom: 24px;
}

.timeline-event::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: 2px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-primary);
}

.timeline-event-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.timeline-event-type {
  font-weight: 600;
  color: var(--color-gray-800);
}

.timeline-event-date {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.timeline-event-user {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.timeline-event-details {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-top: 4px;
  padding: 8px 12px;
  background-color: var(--color-gray-50);
  border-radius: 4px;
}

.timeline-event-details p {
  margin: 2px 0;
}

/* Event type visual differentiation */
.event-creation::before {
  background-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary);
}

.event-approval::before {
  background-color: var(--color-success);
  box-shadow: 0 0 0 2px var(--color-success);
}

.event-reschedule::before {
  background-color: var(--color-warning);
  box-shadow: 0 0 0 2px var(--color-warning);
}

.event-postponement::before {
  background-color: #f59e0b;
  box-shadow: 0 0 0 2px #f59e0b;
}

.event-cancellation::before {
  background-color: var(--color-error);
  box-shadow: 0 0 0 2px var(--color-error);
}

.event-completion::before {
  background-color: var(--color-success);
  box-shadow: 0 0 0 2px var(--color-success);
}

.event-creation .timeline-event-type { color: var(--color-primary); }
.event-approval .timeline-event-type { color: var(--color-success); }
.event-reschedule .timeline-event-type { color: var(--color-warning); }
.event-postponement .timeline-event-type { color: #f59e0b; }
.event-cancellation .timeline-event-type { color: var(--color-error); }
.event-completion .timeline-event-type { color: var(--color-success); }


/* ==========================================================================
   13. Status Badges
   ========================================================================== */

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.4;
}

.badge-active,
.badge-approved {
  background-color: var(--color-success-bg);
  color: var(--color-success);
}

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

.badge-inactive,
.badge-cancelled {
  background-color: var(--color-gray-100);
  color: var(--color-gray-500);
}

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

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

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

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

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

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

.inactive-user-label {
  color: #9ca3af;
  text-decoration: line-through;
}


/* ==========================================================================
   14. Confirmation Dialog (JS-powered)
   ========================================================================== */

.confirm-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.confirm-dialog {
  background-color: var(--color-white);
  border-radius: 8px;
  padding: 24px;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.confirm-dialog p {
  margin-bottom: 20px;
  color: var(--color-gray-700);
}

.confirm-dialog-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* ==========================================================================
   15. Inline Edit (Configuration page)
   ========================================================================== */

.inline-edit-form {
  display: flex;
  gap: 8px;
  align-items: center;
}

.inline-edit-form .form-input {
  width: auto;
  flex: 1;
}


/* ==========================================================================
   16. Utility Classes
   ========================================================================== */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-gray-500); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }
.text-warning { color: var(--color-warning); }

.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }

.hidden { display: none; }

/* ==========================================================================
   17. Responsive Adjustments
   ========================================================================== */

@media (max-width: 768px) {
  .app-layout {
    grid-template-areas:
      "header"
      "main"
      "footer";
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr var(--footer-height);
  }

  .app-sidebar {
    display: none;
  }

  .app-main {
    padding: 16px;
  }

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

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

  .data-table {
    display: block;
    overflow-x: auto;
  }
}


/* ==========================================================================
   18. Approval Page / Detail Table
   ========================================================================== */

.approval-card {
  max-width: 600px;
}

.detail-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}

.detail-table th {
  text-align: left;
  padding: 10px 16px 10px 0;
  color: var(--color-gray-500);
  font-weight: 500;
  font-size: var(--font-size-sm);
  width: 40%;
  vertical-align: top;
  border-bottom: 1px solid var(--color-gray-100);
}

.detail-table td {
  padding: 10px 0;
  color: var(--color-gray-800);
  font-size: var(--font-size-base);
  border-bottom: 1px solid var(--color-gray-100);
}


/* ==========================================================================
   19. Filter Form
   ========================================================================== */

.filter-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.filter-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.filter-group {
  flex: 1;
  min-width: 150px;
}

.filter-group .form-select,
.filter-group .form-input {
  width: 100%;
}

.filter-actions {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  padding-bottom: 0;
}

@media (max-width: 768px) {
  .filter-row {
    flex-direction: column;
  }
  .filter-group {
    min-width: 100%;
  }
}


/* ==========================================================================
   20. Release Row Highlighting
   ========================================================================== */

.data-table tbody tr.row-today {
  background-color: #fee2e2 !important;
  border-left: 3px solid var(--color-error);
}

.data-table tbody tr.row-upcoming {
  background-color: #fef9c3 !important;
  border-left: 3px solid var(--color-warning);
}


/* ==========================================================================
   21. Action Icons
   ========================================================================== */

.action-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 16px;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: 4px;
  text-decoration: none;
  transition: background-color 0.15s;
  padding: 0;
  line-height: 1;
}

.action-icon:hover {
  background-color: var(--color-gray-100);
  text-decoration: none;
}

.action-icon.action-success:hover {
  background-color: var(--color-success-bg);
}

.action-icon.action-danger:hover {
  background-color: var(--color-error-bg);
}

.action-icon.action-warning:hover {
  background-color: var(--color-warning-bg);
}

.action-icon.action-primary:hover {
  background-color: var(--color-primary-light);
}


.action-row {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-bottom: 4px;
}

.action-row:last-child {
  margin-bottom: 0;
}


/* No sidebar layout */
.app-layout.no-sidebar {
  grid-template-areas:
    "header"
    "main"
    "footer";
  grid-template-columns: 1fr;
}

/* ==========================================================================
   App Modal Styles
   ========================================================================== */

.app-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-modal {
  background: #fff;
  border-radius: 8px;
  padding: 24px;
  max-width: 550px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.app-modal-title {
  margin: 0 0 12px;
  font-size: 18px;
  color: var(--color-gray-900);
  border-bottom: 1px solid var(--color-gray-200);
  padding-bottom: 10px;
}

.app-modal-body {
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--color-gray-700);
  line-height: 1.5;
}

.app-modal-actions {
  text-align: right;
  padding-top: 12px;
  border-top: 1px solid var(--color-gray-200);
}

/* ==========================================================================
   Sidebar Collapse
   ========================================================================== */

.sidebar-toggle {
  display: block;
  width: 100%;
  background: none;
  border: none;
  border-bottom: 1px solid var(--color-gray-200);
  padding: 10px 16px;
  text-align: left;
  font-size: 18px;
  cursor: pointer;
  color: var(--color-gray-600);
}

.sidebar-toggle:hover {
  background: var(--color-gray-100);
}

.app-layout.sidebar-collapsed {
  grid-template-columns: 40px 1fr;
}

.app-layout.sidebar-collapsed .app-sidebar {
  width: 40px;
  min-width: 40px;
  overflow: hidden;
  padding: 0;
  border-right: 1px solid var(--color-gray-200);
}

.app-layout.sidebar-collapsed .app-sidebar .nav-sidebar {
  display: none;
}

.app-layout.sidebar-collapsed .sidebar-toggle {
  width: 40px;
  height: 40px;
  text-align: center;
  padding: 8px;
  border-bottom: none;
}