html {
  font-size: 14px;
  position: relative;
  min-height: 100%;
  scroll-behavior: smooth;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background-color: #f8f9fa;
  overflow-x: hidden;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

/* Desktop Sidebar Stilleri */
.sidebar {
  width: 250px;
  min-height: 100vh;
  position: fixed;
  color: #fff;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  z-index: 1000;
}

.sidebar-content {
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 1rem;
}

.sidebar-header {
  padding: 1rem 0;
  flex-shrink: 0;
}

.sidebar-header .navbar-brand {
  font-size: 1.2rem;
  padding: 0;
  margin: 0;
  white-space: normal;
  line-height: 1.2;
}

.sidebar-divider {
  border-color: rgba(255,255,255,0.1);
  margin: 1rem 0;
  flex-shrink: 0;
}

/* Scrollable navigation area */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 0.5rem;
  margin-right: -0.5rem;
}

/* Custom scrollbar */
.sidebar-nav::-webkit-scrollbar {
  width: 6px;
}

.sidebar-nav::-webkit-scrollbar-track {
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.3);
  border-radius: 3px;
}

.sidebar-nav::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.5);
}

.sidebar .nav-link {
  color: rgba(255,255,255,0.8);
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  margin-bottom: 0.25rem;
  text-decoration: none;
}

.sidebar .nav-link:hover {
  color: #fff;
  background-color: rgba(255,255,255,0.1);
  transform: translateX(5px);
}

.sidebar .nav-link.active {
  color: #fff;
  background-color: rgba(255,255,255,0.2);
}

.sidebar-footer {
  flex-shrink: 0;
  padding-top: 1rem;
}

.sidebar-footer .nav-link {
  padding: 0.5rem 0;
}

/* Mobile Header */
.navbar.d-lg-none {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  width: 100%;
  min-height: 60px;
}

.navbar.d-lg-none .navbar-brand {
  font-size: 1.1rem;
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* Mobile Offcanvas */
.offcanvas {
  width: 300px !important;
  max-width: 85vw !important;
}

.offcanvas .sidebar-content {
  height: 100%;
  padding: 1rem;
}

.offcanvas .sidebar-nav {
  max-height: calc(100vh - 200px);
  overflow-y: auto;
}

.offcanvas .nav-link {
  color: rgba(255,255,255,0.8);
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  margin-bottom: 0.25rem;
  text-decoration: none;
}

.offcanvas .nav-link:hover {
  color: #fff;
  background-color: rgba(255,255,255,0.1);
}

.mobile-nav-link {
  cursor: pointer;
}

/* Main Content Stilleri */
.main-content {
  margin-left: 250px;
  padding: 2rem;
  min-height: 100vh;
  width: calc(100% - 250px);
  position: relative;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

/* Responsive Ayarlar */
@media (max-width: 991.98px) {
  .sidebar {
    display: none !important;
  }
  
  body {
    padding-top: 0;
    overflow-x: hidden;
  }
  
  .main-content {
    margin-left: 0;
    width: 100vw;
    max-width: 100%;
    padding: 1rem;
    padding-top: calc(60px + 1rem);
    box-sizing: border-box;
  }
  
  .container-fluid {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
    margin-left: 0;
    margin-right: 0;
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .main-content {
    padding: 0.75rem;
    padding-top: calc(60px + 0.75rem);
    width: 100%;
    max-width: 100vw;
  }
  
  .container-fluid {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
  
  .card {
    margin-bottom: 0.75rem;
  }
  
  .display-4 {
    font-size: 1.75rem;
  }
  
  .table-responsive {
    margin-left: -0.5rem;
    margin-right: -0.5rem;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
}

@media (max-width: 576px) {
  .main-content {
    padding: 0.5rem;
    padding-top: calc(60px + 0.5rem);
    width: 100%;
  }
  
  .container-fluid {
    padding-left: 0.25rem;
    padding-right: 0.25rem;
  }
  
  .navbar.d-lg-none .navbar-brand {
    font-size: 1rem;
  }
  
  .navbar.d-lg-none .navbar-brand img {
    height: 25px !important;
  }
  
  .offcanvas {
    width: 280px !important;
  }
  
  .btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .table-responsive {
    margin-left: -0.25rem;
    margin-right: -0.25rem;
    padding-left: 0.25rem;
    padding-right: 0.25rem;
  }
  
  .row {
    margin-left: -0.25rem;
    margin-right: -0.25rem;
  }
  
  .row > * {
    padding-left: 0.25rem;
    padding-right: 0.25rem;
  }
}

/* Extra small devices */
@media (max-width: 400px) {
  .main-content {
    padding: 0.25rem;
    padding-top: calc(60px + 0.25rem);
    width: 100%;
  }
  
  .container-fluid {
    padding-left: 0.125rem;
    padding-right: 0.125rem;
  }
  
  .offcanvas {
    width: 90vw !important;
  }
  
  .card-body {
    padding: 0.75rem;
  }
  
  .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
  }
}

/* Container ve Grid Düzeltmeleri */
.container, .container-fluid, .container-sm, .container-md, .container-lg, .container-xl, .container-xxl {
  max-width: 100%;
  overflow-x: hidden;
}

.row {
  margin-left: -0.75rem;
  margin-right: -0.75rem;
}

.row > * {
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

/* Kart Stilleri */
.card {
  border: none;
  transition: all 0.3s ease;
  margin-bottom: 1rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.card-img-top {
  height: 160px !important;
  object-fit: cover;
}

.card-body {
  padding: 1.25rem;
  word-wrap: break-word;
}

.card-title {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.card-text {
  font-size: 0.9rem;
  color: #6c757d;
}

/* Table Responsive Fixes */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  min-width: 100%;
  margin-bottom: 0;
}

/* Footer Stilleri */
.footer {
  background-color: #fff;
  padding: 1rem;
  position: absolute;
  bottom: 0;
  width: 100%;
  box-shadow: 0 -2px 4px rgba(0,0,0,0.1);
}

/* Form ve Buton Stilleri */
.form-control {
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  border: 1px solid #dee2e6;
  transition: all 0.3s ease;
  max-width: 100%;
}

.form-control:focus {
  border-color: #007bff;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.btn {
  border-radius: 0.5rem;
  padding: 0.5rem 1rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

/* Login Partial Stilleri */
.sidebar .navbar-nav {
  flex-direction: column;
  width: 100%;
}

.sidebar .navbar-nav .nav-link {
  color: rgba(255,255,255,0.8);
  padding: 0.5rem 0;
}

.sidebar .navbar-nav .nav-link:hover {
  color: #fff;
  background-color: transparent;
}

.sidebar .navbar-nav .btn {
  width: 100%;
  text-align: left;
  margin-bottom: 0.5rem;
}

/* Container Margin */
.container-fluid {
  margin-bottom: 60px;
}

/* Navbar Stilleri */
.navbar {
  box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.navbar-brand {
  font-weight: 600;
  color: #2c3e50 !important;
}

.nav-link {
  font-weight: 500;
  transition: all 0.3s ease;
}

/* Loading animation for better UX */
.sidebar .nav-link i {
  width: 20px;
  text-align: center;
}

/* Active page indicator */
.sidebar .nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 60%;
  background-color: #fff;
  border-radius: 0 2px 2px 0;
}

.sidebar .nav-item {
  position: relative;
}

/* Tablo Stilleri */
.table {
  background-color: #fff;
  border-radius: 0.5rem;
  overflow: hidden;
}

.table thead th {
  background-color: #f8f9fa;
  border-bottom: 2px solid #dee2e6;
  color: #2c3e50;
  font-weight: 600;
}

.table tbody tr:hover {
  background-color: #f8f9fa;
}

/* DataTables Özelleştirmeleri */
.dataTables_wrapper .dataTables_paginate .paginate_button {
  padding: 0.5rem 1rem;
  margin: 0 0.25rem;
  border-radius: 0.5rem;
  border: none !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
  background: #007bff !important;
  color: #fff !important;
  border: none !important;
}

.dataTables_wrapper .dataTables_filter input {
  border-radius: 0.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid #dee2e6;
}

/* Alert Stilleri */
.alert {
  border-radius: 0.5rem;
  border: none;
}

.alert-danger {
  background-color: #fee2e2;
  color: #991b1b;
}

/* Başlık Stilleri */
.display-4 {
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 1.5rem;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

.container {
  margin-bottom: 80px;
}