/* ========================================
   FONT IMPORTS
   ======================================== */
   @import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&display=swap');

   /* ========================================
      CSS VARIABLES (DESIGN TOKENS)
      ======================================== */
   :root {
     /* === Primary Background Colors === */
     --bg-primary: #1f1e1d;      /* Ana arka plan */
     --bg-secondary: #262624;    /* Kart/panel arka planı */
     --bg-tertiary: #202020;     /* Hover/aktif element arka planı */
     
     /* === Text Colors === */
     --text-primary: #d1d1d1;    /* Ana metin rengi */
     --text-secondary: #919191;  /* İkincil metin rengi */
     --text-muted: #7f7f7f;      /* Soluk/devre dışı metin */
     --text-save: #239d5b;      /* Soluk/devre dışı metin */
     
     /* === Border Colors === */
     --border-color: #464542;    /* Çizgi ve kenarlıklar */
     --border-hover: #6b6a6a;    /* Hover durumunda kenarlık */
     
     /* === Accent Colors === */
     --accent-success: #9ece6a;  /* Yeşil - Onay/Başarı */
     --accent-danger: #f7768e;   /* Kırmızı - Hata/Silme */
     --accent-info: #7aa2f7;     /* Mavi - Bilgi/Düzenleme */
     --accent-warning: #e0af68;  /* Sarı - Uyarı */
     --accent-action: #ec8455;   /* Turuncu - Aksiyon */
     
     /* === Table Specific Colors === */
     --table-header-bg: #2b2b29;
     --table-hover-bg: #3d3d3d;
     --feature-check: #9ece6a;   /* Özellik tik işareti rengi */
   }
   


    /* ========================================
    LOGIN PAGE
    ======================================== */

    /* Login full page */
    .auth-page{
      min-height: 100vh;
      display: grid;
      place-items: center;
      padding: 24px;
    }
    .auth-card{
      width: min(520px, 92vw);
      background: var(--bg-elevated, #1f1f1f);
      border: 1px solid var(--border-color, #2a2a2a);
      border-radius: 16px;
      padding: 24px;
      box-shadow: 0 0 18px 8px rgba(0,0,0,.25);
    }
    .auth-label{ display:block; margin: 12px 0 6px; font-weight:600; }
    .auth-input{
      width:100%; padding:14px 16px; border-radius:10px;
      border:1px solid var(--border-color,#2a2a2a); background:#1b1b1b; color:#e8e8e8;
    }
    .auth-actions{ 
      margin-top:16px; 
      gap:10px; 
    }

    .auth-actions.gap{ 
      justify-content: space-between; 
    }

    .auth-hint{ 
      opacity:.8; 
      margin:8px 0 12px; 
    }






   /* ========================================
      GLOBAL RESET & BASE STYLES
      ======================================== */
   * {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
   }
   
   body {
     font-family: 'IBM Plex Sans', sans-serif;
     background-color: var(--bg-primary);
     color: var(--text-primary);
   }
   
   /* ========================================
      LAYOUT CONTAINERS
      ======================================== */
   .container {
     max-width: 1400px;
     margin: 0 auto;
     padding: 20px;
   }
   
   .page {
     display: none;
     background-color: var(--bg-secondary);
     padding: 20px;
     border-radius: 8px;
     box-shadow: 0 2px 4px rgba(0,0,0,0.2);
   }
   
   .page.active {
     display: block;
   }
   
   /* ========================================
      HEADER & NAVIGATION
      ======================================== */
   header {
     background-color: var(--bg-secondary);
     padding: 20px;
     margin-bottom: 20px;
     box-shadow: 0 2px 4px rgba(0,0,0,0.2);
     border-radius: 8px;
   }
   
   header h1 {
     margin-bottom: 20px;
     color: var(--text-primary);
   }
   
   nav {
     display: flex;
     gap: 10px;
     flex-wrap: wrap;
   }
   
   .nav-btn {
     padding: 10px 20px;
     border: none;
     background-color: var(--bg-tertiary);
     color: var(--text-secondary);
     cursor: pointer;
     border-radius: 5px;
     transition: all 0.3s;
     font-family: 'IBM Plex Sans', sans-serif;
   }
   
   .nav-btn:hover {
     background-color: var(--bg-tertiary);
     color: var(--accent-info);
   }
   
   .nav-btn.active {
     background-color: var(--text-primary);
     color: var(--bg-primary);
   }
   
   /* ========================================
      DASHBOARD COMPONENTS
      ======================================== */
   .stats-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
     gap: 20px;
     margin-top: 20px;
   }
   
   .stat-card {
     background-color: var(--bg-tertiary);
     padding: 20px;
     border-radius: 8px;
     text-align: center;
     border: 1px solid var(--border-color);
   }
   
   .stat-card h3 {
     font-size: 16px;
     color: var(--text-secondary);
     margin-bottom: 10px;
   }
   
   .stat-number {
     font-size: 36px;
     font-weight: bold;
     color: var(--text-primary);
   }
   
   /* ========================================
      BUTTONS
      ======================================== */
   /* === Primary Button === */
   .btn-primary {
     background-color: var(--text-primary);
     color: var(--bg-primary);
     border: none;
     padding: 10px 20px;
     border-radius: 5px;
     cursor: pointer;
     margin-bottom: 20px;
     margin-top: 10px;
     transition: background-color 0.3s;
     font-family: 'IBM Plex Sans', sans-serif;
   }
   
   .btn-primary:hover {
     background-color: #b8b8b8;
   }
   
   /* === Success Button === */
   .btn-success {
     background-color: var(--text-primary);
     color: var(--bg-primary);
     border: none;
     padding: 10px 20px;
     margin-bottom: 20px;
     margin-top: 10px;
     border-radius: 5px;
     cursor: pointer;
     font-family: 'IBM Plex Sans', sans-serif;
   }
   
   .btn-success:hover {
     background-color: #b8b8b8;
   }
   
   /* === Secondary Button === */
   .btn-secondary {
     background-color: transparent;
     color: var(--text-secondary);
     border: 1px solid var(--border-color);
     padding: 10px 20px;
     margin-bottom: 20px;
     margin-top: 10px;
     border-radius: 5px;
     cursor: pointer;
     font-family: 'IBM Plex Sans', sans-serif;
   }
   
   .btn-secondary:hover {
     border-color: var(--border-hover);
     color: var(--text-primary);
   }
   
   /* === Action Button === */
   .btn-action {
     background-color: var(--bg-secondary);
     color: var(--accent-action);
     border: 1px solid var(--border-color);
     padding: 10px 20px;
     border-radius: 5px;
     cursor: pointer;
     margin-bottom: 20px;
     margin-top: 10px;
     transition: background-color 0.3s;
     font-family: 'IBM Plex Sans', sans-serif;
   }
   
   .btn-action:hover {
     background-color: var(--table-hover-bg);
     color: var(--accent-info);
   }
   

   /* === Info Button === */
   .btn-info {
     background-color: var(--bg-tertiary);
     color: #ec8455;
     border: 1px solid var(--border-color);
     padding: 10px 20px;
     margin-bottom: 20px;
     margin-top: 10px;
     border-radius: 5px;
     cursor: pointer;
     font-family: 'IBM Plex Sans', sans-serif;
   }
   
   .btn-info:hover {
     background-color: var(--border-hover);
   }
   
   /* === Table Action Buttons === */
   .btn-edit, 
   .btn-delete {
     padding: 5px 10px;
     border: solid 1px var(--border-color);
     border-radius: 3px;
     margin-bottom: 12px;
     margin-top: 12px;
     cursor: pointer;
     font-size: 14px;
     font-family: 'IBM Plex Sans', sans-serif;
   }
   
   .btn-edit {
     background-color: var(--bg-tertiary);
     color: var(--text-primary);
   }
   
   .btn-edit:hover {
     background-color: var(--border-hover);
   }
   
   .btn-delete {
     background-color: var(--bg-tertiary);
     color: var(--accent-danger);
   }
   
   .btn-delete:hover {
     background-color: var(--border-hover);
   }

   .btn-note {
    display: block;          /* butonu blok yap → satır atlatır */
    margin-top: 4px;   
    background-color: transparent;
    text-decoration: underline;
    border: transparent;
    color: var(--accent-action);
    font-size: 10.5px;
    margin-top: 14px;
    
   }
   
   .btn-note:hover {
    background-color: transparent;
    text-decoration: underline;
    border: transparent;
    color: var(--accent-info);
   }


   /* ——— Logout button (top-right) ——— */
.logout-btn{
  position: fixed;
  top: 12px;
  right: 16px;
  z-index: 1000;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--border-color, #2a2a2a);
  background: color-mix(in srgb, var(--bg-secondary, #1e1e1e), white 4%);
  color: var(--text-primary, #e8e8e8);
  cursor: pointer;
  user-select: none;
  transition: transform .08s ease, border-color .2s, background-color .2s, opacity .2s;
}
.logout-btn:hover{
  border-color: var(--border-hover, #3a3a3a);
  background: color-mix(in srgb, var(--bg-secondary, #1e1e1e), white 8%);
  transform: translateY(-1px);
}
.logout-btn:active{ transform: translateY(0); }

.logout-ic{ width: 18px; height: 18px; }
.logout-label{ font-size: 14px; }

/* Login değilken gizleyeceğiz; JS de kontrol edecek */
.logout-btn.hidden{ display: none !important; }

   
   /* ========================================
      FILTERS
      ======================================== */
   .filters {
     margin-bottom: 20px;
     margin-top: 10px;
     display: flex;
     flex-wrap: wrap;
   }
   
   .filters select {
     padding: 8px 12px;
     margin-top: 10px;
     margin-bottom: 20px;
     border: 1px solid var(--border-color);
     border-radius: 4px;
     background-color: var(--bg-tertiary);
     color: var(--text-primary);
     cursor: pointer;
     font-family: 'IBM Plex Sans', sans-serif;
   }
   
   .filters select:focus {
     outline: none;
     border-color: var(--border-hover);
   }
   
   /* ========================================
      TABLES - BASIC STYLES
      ======================================== */
   table {
     width: 100%;
     border-collapse: collapse;
     font-size: 18px;
   }
   
   th, td {
     padding: 12px;
     border-bottom: 1px solid var(--border-color);
   }
   
   th {
     background-color: var(--table-header-bg);
     font-weight: bold;
     color: var(--text-primary);
   }
   
   tr:hover {
     background-color: var(--table-hover-bg);
   }
   
   /* === Specific Table Text Alignments === */
   #institutionsTable th,
   #featuresTable th,
   #pricingTypesTable th {
     text-align: left;
     font-size: 16px;
   }
   
   #institutionsTable td,
   #featuresTable td,
   #pricingTypesTable td {
     text-align: left;
     font-size: 14px;
   }
   
   /* ========================================
      MATRIX TABLES
      ======================================== */
   .matrix-container {
     overflow: auto;
     max-height: 600px;
     border: 1px solid var(--border-color);
     border-radius: 4px;
     max-width: 100%;
   }
   
   /* === Matrix Table Font Sizes === */
   #featureMatrixTable,
   #pricingMatrixTable {
     font-size: 14px;
   }
   
   /* === Sticky Headers & First Column === */
   #featureMatrixTable th:first-child,
   #featureMatrixTable td:first-child,
   #pricingMatrixTable th:first-child,
   #pricingMatrixTable td:first-child {
     position: sticky;
     left: 0;
     background-color: var(--table-header-bg) !important;
     z-index: 10;
     width: 150px;
     max-width: 500px;
     white-space: nowrap;
   }
   
   #featureMatrixTable thead th,
   #pricingMatrixTable thead th {
     position: sticky;
     top: 0;
     background-color: var(--table-header-bg) !important;
     z-index: 20;
     font-size: 14px;
     white-space: nowrap;
   }
   
   #featureMatrixTable thead th:first-child,
   #pricingMatrixTable thead th:first-child {
     z-index: 30;
     background-color: var(--table-header-bg) !important;
   }
   
   /* === Matrix Cell Padding === */
   #featureMatrixTable th, 
   #featureMatrixTable td,
   #pricingMatrixTable th,
   #pricingMatrixTable td {
     padding: 9px 12px;
   }
   
   /* === Matrix Cell Styles === */
   .matrix-cell {
     position: relative;
     text-align: center;
     cursor: pointer;
     user-select: none;
     width: 110px;
     max-width: 140px;
     font-size: 14px;
     white-space: normal;
     text-overflow: ellipsis;
     padding: 9px 8px;
     justify-items: center;   /* yatayda ortala */
     align-content: center;   /* dikeyde ortala */
   }
   
   .matrix-cell:hover {
     background-color: var(--table-hover-bg);
   }
   
   /* === Feature Matrix Specific === */
   #featureMatrixTable td:first-child strong {
     font-size: 14px;
     white-space: nowrap;
     display: block;
   }
   
   #featureMatrixTable td:first-child small {
     font-size: 13px;
     color: var(--text-muted);
     margin-top: -4px;
   }
   
   .has-feature {
    display: block;         /* tik de kendi satırına gelsin */
    margin-bottom: -8px;     /* tik ile Not Ekle arasında minik boşluk */
     color: var(--text-primary);
     font-weight: bold;
     font-size: 13px;
   }
   
   /* === Pricing Matrix Specific === */
   #pricingMatrixTable .matrix-cell {
     white-space: nowrap;
     overflow: visible;
     text-overflow: ellipsis;
     max-width: 140px;
     padding: 9px 8px;
   }
   
   .price-cell {
     position: relative;
     white-space: nowrap;
     min-width: 120px;
     max-width: 140px;
   }
   
   .has-note {
     position: relative;
   }

   
   .note-indicator {
     color: var(--accent-info);
     font-weight: bold;
     font-size: 12px;
     margin-left: 4px;
     display: inline;
     position: static;
     vertical-align: super;
     pointer-events: none;
   }
   
   /* ========================================
      MATRIX HOVER EFFECTS (Cross-hair)
      ======================================== */
   .row-hover {
     background-color: var(--table-hover-bg);
   }
   
   .col-hover {
     background-color: var(--table-hover-bg);
   }
   
   .cell-hover {
     background-color: rgba(156, 156, 156, 0.15) !important;
   }
   
   /* === Hover Effects for Sticky Elements === */
   #featureMatrixTable td:first-child.col-hover,
   #pricingMatrixTable td:first-child.col-hover {
     background-color: var(--table-hover-bg) !important;
     z-index: 11;
   }
   
   #featureMatrixTable thead th.row-hover,
   #pricingMatrixTable thead th.row-hover {
     background-color: var(--table-hover-bg) !important;
     z-index: 21;
   }
   
   #featureMatrixTable thead th:first-child.cell-hover,
   #pricingMatrixTable thead th:first-child.cell-hover {
     background-color: var(--table-hover-bg) !important;
     z-index: 31;
   }
   
   /* === Special Header Hover Classes === */
   .row-hover-header {
     background-color: var(--table-hover-bg) !important;
     z-index: 11;
   }
   
   .col-hover-header {
     background-color: var(--table-hover-bg) !important;
     z-index: 21;
   }
   
   /* === First Column Hover Fix === */
   #featureMatrixTable td:first-child.cell-hover,
   #pricingMatrixTable td:first-child.cell-hover {
     background-color: var(--table-hover-bg) !important;
   }
   
   #featureMatrixTable td:first-child:not(.row-hover):not(.cell-hover),
   #pricingMatrixTable td:first-child:not(.row-hover):not(.cell-hover) {
     background-color: var(--table-header-bg) !important;
   }
   
   /* === Feature Name Hover Inheritance === */
   #featureMatrixTable td:first-child strong,
   #featureMatrixTable td:first-child small {
     position: relative;
     z-index: inherit;
     background-color: inherit;
   }
   
   /* ========================================
      MATRIX EDIT MODE
      ======================================== */
   .matrix-actions,
   .pricing-matrix-actions {
     display: flex;
     gap: 10px;
     flex-wrap: wrap;
   }
   
   /* === Feature Matrix Edit Mode === */
   .matrix-edit-mode .matrix-cell {
     background-color: var(--bg-tertiary);
     border: 1px dashed var(--border-color);
     position: relative;
   }
   
   .matrix-edit-mode .matrix-cell:hover {
     background-color: var(--table-hover-bg);
     border: 1px dashed var(--text-secondary);
   }
   
   /* === Pricing Matrix Edit Mode === */
   .pricing-matrix-edit-mode .matrix-cell {
     background-color: var(--bg-tertiary);
     border: 1px dashed var(--border-color);
     position: relative;
     transition: all 0.2s ease;
   }
   
   .pricing-matrix-edit-mode .matrix-cell:hover {
     background-color: var(--table-hover-bg);
     border: 1px dashed var(--text-secondary);
     transform: scale(1.02);
   }
   
   /* === Changed Cell Indicators === */
   .cell-changed {
     background-color: rgba(236 132 85 0.1) !important;
     position: relative;
   }
   
   .cell-changed::after {
     content: '*';
     color: var(--accent-info);
     position: absolute;
     top: 0;
     right: 5px;
     font-weight: bold;
   }
   
   .pricing-cell-changed {
     background-color: rgba(209, 209, 209, 0.15) !important;
     border: 2px solid var(--text-primary) !important;
     position: relative;
   }
   
   .pricing-cell-changed::after {
     content: '●';
     color: var(--accent-info);
     position: absolute;
     top: 2px;
     right: 4px;
     font-weight: bold;
     font-size: 10px;
     line-height: 1;
     pointer-events: none;
   }
   
   /* ========================================
      TOOLTIPS
      ======================================== */
   /* === Native CSS Tooltips === */
   .matrix-cell[title]:hover::after,
   .price-cell[title]:hover::after {
     content: attr(title);
     position: absolute;
     bottom: calc(100% + 10px);
     left: 50%;
     transform: translateX(-50%);
     background-color: var(--bg-primary);
     color: var(--text-primary);
     border: 0.5px solid var(--accent-info);
     padding: 8px 12px;
     border-radius: 8px;
     white-space: pre-wrap;
     font-size: 14px;
     z-index: 9999;
     box-shadow: 0 0 6px 10px rgba(122, 162, 247, 0.05);
     max-width: 300px;
     min-width: 150px;
     word-wrap: break-word;
     line-height: 1.4;
     pointer-events: none;
   }
   
   /* === Custom Tooltip === */
   .custom-tooltip {
     position: fixed;
     background-color: var(--bg-secondary);
     color: var(--text-primary);
     border: solid 0.8px var(--accent-info);
     padding: 8px 12px;
     border-radius: 8px;
     white-space: pre-wrap;
     font-size: 14px;
     z-index: 10000;
     box-shadow: 0 0 28px 28px rgba(122, 162, 247, 0.1);
     max-width: 300px;
     word-wrap: break-word;
     line-height: 1.7;
     pointer-events: none;
   }




   
   /* ========================================
      MODAL
      ======================================== */
   .modal {
     display: none;
     position: fixed;
     z-index: 1000;
     left: 0;
     top: 0;
     width: 100%;
     height: 100%;
     background-color: rgba(0, 0, 0, 0.7);
   }
   
   .modal-content {
     background-color: var(--bg-secondary);
     margin: 5% auto;
     padding: 20px;
     border: 1px solid var(--border-color);
     width: 90%;
     max-width: 500px;
     border-radius: 8px;
     position: relative;
     box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
   }
   
   .close {
     position: absolute;
     right: 20px;
     top: 10px;
     font-size: 28px;
     font-weight: bold;
     cursor: pointer;
     color: var(--text-muted);
   }
   
   .close:hover {
     color: var(--text-primary);
   }
   
   /* ========================================
      FORMS
      ======================================== */
   .form-group {
     margin-bottom: 15px;
   }
   
   .form-group label {
     display: block;
     margin-bottom: 8px;
     color: var(--text-secondary);
   }
   
   .form-group input,
   .form-group select {
     width: 100%;
     padding: 12px 12px;
     border: 1px solid var(--border-color);
     border-radius: 4px;
     background-color: var(--bg-tertiary);
     color: var(--text-primary);
     font-family: 'IBM Plex Sans', sans-serif;
   }
   
   .form-group input:focus,
   .form-group select:focus {
     outline: none;
     border-color: var(--border-hover);
   }
   
   .form-group input[type="checkbox"] {
     width: auto;
     margin-right: 5px;
   }
   
   .form-group textarea {
     width: 100%;
     padding: 8px 12px;
     border: 1px solid var(--border-color);
     border-radius: 4px;
     background-color: var(--bg-tertiary);
     color: var(--text-primary);
     font-family: 'IBM Plex Sans', sans-serif;
     min-height: 80px;
     resize: vertical;
     line-height: 1.4;
     margin-top: 12px;
   }
   
   .form-group textarea:focus {
     outline: none;
     border-color: var(--border-hover);
   }
   
   .form-group textarea:disabled {
     opacity: 0.5;
     cursor: not-allowed;
   }
   
   /* === Form Spacing Fix === */
   .modal-content .form-group + .form-group textarea {
     margin-top: -8px;
   }
   
   /* === Form Actions === */
   .form-actions {
     margin-top: 20px;
     display: flex;
     gap: 10px;
     justify-content: flex-end;
   }
   
   .form-actions button[type="button"]:not(.btn-delete) {
     background-color: transparent;
     color: var(--text-secondary);
     border: 1px solid var(--border-color);
     margin-bottom: 20px;
     margin-top: 10px;
     padding: 10px 20px;
     border-radius: 5px;
     cursor: pointer;
     font-family: 'IBM Plex Sans', sans-serif;
     transition: all 0.3s;
   }
   
   .form-actions button[type="button"]:not(.btn-delete):hover {
     border-color: var(--border-hover);
     color: var(--text-primary);
     background-color: var(--bg-tertiary);
   }
   
   .form-actions button[type="submit"] {
     background-color: var(--text-primary);
     color: var(--bg-primary);
     border: none;
     padding: 10px 20px;
     margin-bottom: 20px;
     margin-top: 10px;
     border-radius: 5px;
     cursor: pointer;
     font-family: 'IBM Plex Sans', sans-serif;
     transition: all 0.3s;
   }
   
   .form-actions button[type="submit"]:hover {
     background-color: #b8b8b8;
   }
   
   .form-actions .btn-delete {
     background-color: var(--bg-tertiary);
     color: var(--accent-danger);
     border: none;
     padding: 10px 20px;
     margin-bottom: 20px;
     margin-top: 10px;
     border-radius: 5px;
     cursor: pointer;
     font-family: 'IBM Plex Sans', sans-serif;
     transition: all 0.3s;
   }
   
   .form-actions .btn-delete:hover {
     background-color: var(--border-hover);
   }
   
   /* === Pricing Options (Radio Buttons) === */
   .pricing-options {
     gap: 12px;
     margin-bottom: 30px;
     margin-top: 15px;
   }
   
   .radio-option {
     display: flex;
     align-items: center;
     gap: 8px;
     font-size: 14px;
     padding: 8px 12px;
     border: 1px solid var(--border-color);
     border-radius: 5px;
     cursor: pointer;
     transition: all 0.3s;
     background-color: transparent;
   }
   
   .radio-option:hover {
     border-color: var(--border-hover);
     background-color: var(--bg-tertiary);
   }
   
   .radio-option:has(input[type="radio"]:checked) {
     background-color: var(--bg-tertiary);
     border-color: var(--text-primary);
   }
   
   .radio-option input[type="radio"] {
     margin: 0;
     width: auto;
   }
   
   /* ========================================
      MULTI-SELECT DROPDOWN
      ======================================== */
   .multi-select-container {
     position: relative;
     display: inline-block;
     margin-right: 10px;
   }
   
   .multi-select-toggle {
     padding: 8px 12px;
     border: 1px solid var(--border-color);
     border-radius: 4px;
     background-color: var(--bg-tertiary);
     color: var(--text-primary);
     cursor: pointer;
     font-family: 'IBM Plex Sans', sans-serif;
     min-width: 150px;
     text-align: left;
     display: flex;
     justify-content: space-between;
     align-items: center;
   }
   
   .multi-select-toggle:hover {
     border-color: var(--border-hover);
   }
   
   .multi-select-toggle::after {
     content: '▼';
     font-size: 10px;
     margin-left: 10px;
   }
   
   .multi-select-dropdown {
     display: none;
     position: absolute;
     top: 100%;
     left: 0;
     z-index: 1000;
     width: auto;
     min-width: 200px;
     max-width: 1000px;
     max-height: 300px;
     overflow-y: auto;
     background-color: var(--bg-secondary);
     border: 1px solid var(--border-color);
     border-radius: 4px;
     margin-top: 4px;
     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
   }
   
   .multi-select-dropdown.show {
     display: block;
   }
   
   .multi-select-item {
     padding: 8px 12px;
     cursor: pointer;
     display: flex;
     align-items: center;
     gap: 8px;
     transition: background-color 0.2s;
   }
   
   .multi-select-item:hover {
     background-color: var(--bg-tertiary);
   }
   
   .multi-select-item input[type="checkbox"] {
     margin: 0;
     cursor: pointer;
   }
   
   .multi-select-item label {
     cursor: pointer;
     margin: 0;
     flex: 1;
     user-select: none;
   }
   
   .multi-select-actions {
     padding: 8px 12px;
     border-bottom: 1px solid var(--border-color);
     display: flex;
     gap: 10px;
   }
   
   .multi-select-action-btn {
     font-size: 12px;
     color: var(--accent-info);
     cursor: pointer;
     text-decoration: underline;
     background: none;
     border: none;
     padding: 0;
     font-family: 'IBM Plex Sans', sans-serif;
   }
   
   .multi-select-action-btn:hover {
     color: var(--text-primary);
   }
   
   .selected-count {
     font-size: 10px;
     background-color: var(--accent-info);
     color: var(--bg-primary);
     padding: 2px 6px;
     border-radius: 10px;
     margin-left: 5px;
   }
   
   /* ========================================
      FULLSCREEN MODE
      ======================================== */
   .fullscreen-overlay {
     display: none;
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background-color: var(--bg-secondary);
     z-index: 9999;
     padding: 20px;
     overflow: auto;
   }
   
   .fullscreen-overlay.active {
     display: block;
   }
   
   .fullscreen-header {
     display: flex;
     justify-content: space-between;
     align-items: center;
     margin-bottom: 20px;
     padding-bottom: 10px;
     border-bottom: 1px solid var(--border-color);
   }
   
   .fullscreen-title {
     font-size: 24px;
     color: var(--text-primary);
   }
   
   .fullscreen-close {
     background: none;
     border: none;
     color: var(--text-secondary);
     font-size: 30px;
     cursor: pointer;
     padding: 0;
     width: 40px;
     height: 40px;
     display: flex;
     align-items: center;
     justify-content: center;
     border-radius: 5px;
     transition: all 0.3s;
   }
   
   .fullscreen-close:hover {
     background-color: var(--bg-tertiary);
     color: var(--text-primary);
   }
   
   .fullscreen-content {
     height: calc(100% - 80px);
     overflow: auto;
   }
   
   .fullscreen-content .matrix-container {
     height: 100%;
     max-height: none;
     border: 1px solid var(--border-color);
   }
   
   .fullscreen-btn {
     display: inline-flex;
     align-items: center;
     gap: 6px;
     background: none;
     border: none;
     color: var(--accent-action);
     cursor: pointer;
     padding: 10px 10px;
     margin-bottom: 20px;
     margin-top: 10px;
     border-radius: 5px;
     transition: all 0.3s;
     font-size: 15px;
     float: right;
     margin-right: 0px;
   }


   .btn-exit {
     display: inline-flex;
     align-items: center;
    font-family: 'IBM Plex Sans', sans-serif;;
     gap: 6px;
     background: none;
     border: 1px solid var(--border-color);
     color: var(--accent-danger);
     cursor: pointer;
     padding: 2px 4px;
     margin-bottom: 20px;
     margin-top: 20px;
     border-radius: 5px;
     font-size: 14px;
     float: right;
     margin-right: 20px;
   }

   .btn-exit:hover {
    border: 1px solid var(--border-hover);
    background-color: var(--table-hover-bg);
  }


   
   .fullscreen-icon {
     font-size: 18px;
     line-height: 1;
   }
   
   .fullscreen-label {
     font-size: 14px;
     font-family: 'IBM Plex Sans', sans-serif;
   }
   
   .fullscreen-btn:hover {
     background-color: var(--bg-tertiary);
     color: var(--accent-info);
   }
   




   
   /* ========================================
      UTILITY CLASSES
      ======================================== */
   .no-data-message {
     padding: 20px;
     text-align: center;
     color: var(--text-muted);
     font-style: italic;
   }
   
   /* ========================================
      RESPONSIVE DESIGN
      ======================================== */
   @media (max-width: 1200px) {
     .matrix-cell {
       width: 100px;
       max-width: 120px;
       font-size: 13px;
     }
     
   }
   
   @media (max-width: 768px) {
     /* === Layout === */
     .container {
       padding: 10px;
     }
     
     /* === Navigation === */
     nav {
       flex-direction: column;
     }
     
     .nav-btn {
       width: 100%;
     }
     
     /* === Dashboard === */
     .stats-grid {
       grid-template-columns: 1fr;
     }
     
     /* === Tables === */
     .matrix-container {
       max-height: 400px;
     }
     
     th, td {
       padding: 8px;
     }
     
     /* === Matrix Cells === */
     .matrix-cell {
       width: 80px;
       max-width: 100px;
       font-size: 12px;
       padding: 6px 4px;
     }
     
     .price-cell[title]:hover::after,
     .matrix-cell[title]:hover::after {
       max-width: 200px;
       font-size: 12px;
       left: 0;
       transform: none;
     }
   }
   

   /* viewer iken tüm düzenleme butonlarını gizle */
  .role-viewer .editor-only { display: none !important; }
   
   /* ========================================
      END OF STYLESHEET
      ======================================== */