:root {
  --primary-color: #1a73e8;
  --primary-dark: #0d47a1;
  --primary-light: #e8f0fe;
  --secondary-color: #34a853;
  --danger-color: #ea4335;
  --warning-color: #fbbc05;
  --dark-color: #202124;
  --light-color: #f8f9fa;
  --gray-color: #5f6368;
  --gray-light: #dadce0;
  --white-color: #ffffff;
  --sidebar-width: 250px;
}

body {
  font-family: 'Roboto', sans-serif;
  background-color: #f5f7fa;
  color: var(--dark-color);
}

/* Sidebar Styles */
.sidebar {
  width: var(--sidebar-width);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary-color) 100%);
  color: var(--white-color);
  z-index: 1000;
  transition: all 0.3s;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

.sidebar .logo-container {
  padding: 20px 15px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar .logo-container h4 {
  margin: 0;
  font-weight: 500;
  color: var(--white-color);
}

.sidebar .nav-link {
  color: rgba(255, 255, 255, 0.8);
  padding: 12px 20px;
  margin: 5px 10px;
  border-radius: 5px;
  transition: all 0.3s;
  display: flex;
  align-items: center;
}

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

.sidebar .nav-link i {
  margin-right: 10px;
  font-size: 1.2rem;
}

.sidebar .user-info {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
}

.sidebar .user-info .user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  margin-right: 10px;
}

.sidebar .user-info .user-details {
  flex: 1;
}

.sidebar .user-info .user-name {
  font-weight: 500;
  margin: 0;
  font-size: 0.9rem;
}

.sidebar .user-info .user-role {
  font-size: 0.8rem;
  opacity: 0.8;
  margin: 0;
}

/* Main Content Styles */
.main-content {
  margin-left: var(--sidebar-width);
  padding: 20px;
  min-height: 100vh;
  transition: all 0.3s;
  width: calc(100% - var(--sidebar-width));
  overflow-x: hidden;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--gray-light);
}

.page-header h1 {
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--primary-dark);
  margin: 0;
}

/* Card Styles */
.card {
  border: none;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  margin-bottom: 25px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.card-header {
  background-color: var(--white-color);
  border-bottom: 1px solid var(--gray-light);
  padding: 15px 20px;
  font-weight: 500;
  color: var(--primary-color);
  border-radius: 10px 10px 0 0 !important;
}

.card-body {
  padding: 20px;
}

/* Button Styles */
.btn {
  border-radius: 5px;
  padding: 8px 16px;
  font-weight: 500;
  transition: all 0.3s;
}

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

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  box-shadow: 0 0 0 0.25rem rgba(26, 115, 232, 0.25);
}

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

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

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

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

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

/* İşlem butonları için stil */
.btn-sm.rounded-circle {
  width: 32px;
  height: 32px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.btn-sm.rounded-circle:hover {
  transform: translateY(-2px);
  box-shadow: 0 3px 5px rgba(0, 0, 0, 0.2);
}

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

.btn-danger.rounded-circle {
  background-color: var(--danger-color);
}

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

.btn-danger.rounded-circle:hover {
  background-color: #d32f2f;
}

.d-flex.justify-content-center.gap-2 {
  margin: 0;
}

/* Form Styles */
.form-control, .form-select {
  border-radius: 5px;
  padding: 10px 15px;
  border: 1px solid var(--gray-light);
  transition: all 0.3s;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(26, 115, 232, 0.25);
}

.form-label {
  font-weight: 500;
  color: var(--gray-color);
  margin-bottom: 8px;
}

/* Table Styles */
.table {
  table-layout: fixed;
  word-wrap: break-word;
  margin-bottom: 0;
  border-collapse: separate;
  border-spacing: 0;
}

.table th {
  font-weight: 500;
  background-color: #f8f9fa;
  border-top: none;
  border-bottom: 2px solid var(--primary-light);
  color: var(--primary-dark);
  padding: 0.75rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table td {
  padding: 0.75rem;
  vertical-align: middle;
  border-color: var(--gray-light);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 150px;
}

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

.table-responsive {
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

/* Okunmamış mesajlar için stil */
.table tr.table-light {
  background-color: rgba(26, 115, 232, 0.05);
}

/* Mobil görünüm için tablo düzenlemeleri */
@media (max-width: 768px) {
  .table th, .table td {
    padding: 0.5rem;
    font-size: 0.85rem;
  }
  
  .table th {
    font-size: 0.8rem;
  }
}

.message-status-0 {
  background-color: rgba(251, 188, 5, 0.1);
}

.message-status-1 {
  background-color: rgba(52, 168, 83, 0.1);
}

/* Badge Styles */
.badge {
  padding: 5px 10px;
  font-weight: 500;
  border-radius: 30px;
}

.badge.bg-warning {
  background-color: var(--warning-color) !important;
  color: var(--dark-color);
}

.badge.bg-success {
  background-color: var(--secondary-color) !important;
}

/* Pagination Styles */
.pagination {
  margin-top: 20px;
}

.pagination .page-link {
  color: var(--primary-color);
  border-color: var(--gray-light);
  padding: 8px 15px;
}

.pagination .page-item.active .page-link {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

/* Modal Styles */
.modal-content {
  border: none;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.modal-header {
  background-color: var(--primary-color);
  color: var(--white-color);
  border-radius: 10px 10px 0 0;
  padding: 15px 20px;
}

.modal-title {
  font-weight: 500;
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  border-top: 1px solid var(--gray-light);
  padding: 15px 20px;
}

/* Alert Styles */
.alert {
  border-radius: 5px;
  padding: 15px 20px;
  border: none;
}

.alert-success {
  background-color: rgba(52, 168, 83, 0.1);
  color: var(--secondary-color);
}

.alert-danger {
  background-color: rgba(234, 67, 53, 0.1);
  color: var(--danger-color);
}

/* Login Page Styles */
.login-page {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
}

.login-container {
  max-width: 400px;
  width: 100%;
  padding: 30px;
  background-color: var(--white-color);
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.login-logo {
  text-align: center;
  margin-bottom: 30px;
}

.login-logo h2 {
  color: var(--primary-color);
  font-weight: 500;
}

/* Responsive Styles */
@media (max-width: 992px) {
  .sidebar {
    width: 70px;
    text-align: center;
  }
  
  .sidebar .logo-container h4,
  .sidebar .nav-link span,
  .sidebar .user-info .user-details {
    display: none;
  }
  
  .sidebar .nav-link {
    padding: 15px 0;
    justify-content: center;
  }
  
  .sidebar .nav-link i {
    margin-right: 0;
    font-size: 1.5rem;
  }
  
  .sidebar .user-info {
    justify-content: center;
  }
  
  .sidebar .user-info .user-avatar {
    margin-right: 0;
  }
  
  .main-content {
    margin-left: 70px;
    width: calc(100% - 70px);
  }
}

@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
  }
  
  .sidebar .logo-container h4,
  .sidebar .nav-link span {
    display: inline;
  }
  
  .sidebar .nav-link {
    padding: 10px 20px;
    justify-content: flex-start;
  }
  
  .sidebar .nav-link i {
    margin-right: 10px;
    font-size: 1.2rem;
  }
  
  .sidebar .user-info {
    display: none;
  }
  
  .main-content {
    margin-left: 0;
    width: 100%;
    padding: 15px;
  }
  
  .card-body {
    padding: 15px;
  }
  
  .table-responsive {
    font-size: 0.9rem;
  }
}

/* Mobil cihazlar için ek düzenlemeler */
@media (max-width: 576px) {
  .page-header h1 {
    font-size: 1.5rem;
  }
  
  .card-header {
    padding: 0.75rem;
  }
  
  .card-body {
    padding: 0.75rem;
  }
  
  .btn {
    padding: 0.375rem 0.75rem;
  }
  
  .table-responsive {
    font-size: 0.8rem;
  }
  
  .input-group-text {
    padding: 0.375rem 0.5rem;
  }
  
  .form-control {
    padding: 0.375rem 0.5rem;
  }
  
  .modal-dialog {
    margin: 0.5rem;
  }
}

/* Tablo içeriğinin taşmasını önlemek için */
.table th, .table td {
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Form elemanlarının mobil görünümü için */
@media (max-width: 576px) {
  .row > [class*="col-"] {
    padding-right: 5px;
    padding-left: 5px;
  }
  
  .row {
    margin-right: -5px;
    margin-left: -5px;
  }
}

/* Tablo içindeki kişi bilgileri için stil */
.table td .d-flex.flex-column {
  line-height: 1.3;
}

.table td .d-flex.flex-column .fw-bold {
  color: var(--primary-dark);
}

.table td .d-flex.flex-column .text-muted {
  font-size: 0.85rem;
}

/* Mobil görünüm için ek düzenlemeler */
@media (max-width: 768px) {
  .table th:nth-child(3), 
  .table td:nth-child(3),
  .table th:nth-child(4), 
  .table td:nth-child(4),
  .table th:nth-child(5), 
  .table td:nth-child(5) {
    display: none;
  }
  
  .table td .d-flex.flex-column .text-muted {
    font-size: 0.8rem;
  }
}

/* Filtreleme alanı için stiller */
.card-header .btn-outline-primary {
  border-color: transparent;
  color: var(--primary-color);
  padding: 0.25rem 0.5rem;
}

.card-header .btn-outline-primary:hover {
  background-color: var(--primary-light);
  border-color: transparent;
  color: var(--primary-dark);
}

.form-label i {
  opacity: 0.8;
}

.input-group-text.bg-light {
  color: var(--primary-color);
  font-size: 0.85rem;
  border-right: none;
}

.input-group .form-control {
  border-left: none;
}

.input-group:focus-within .input-group-text {
  border-color: #86b7fe;
}

/* Select elemanları için özel stil */
.form-select {
  background-position: right 0.75rem center;
  background-size: 16px 12px;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-select:focus {
  border-color: #86b7fe;
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* Filtreleme butonları için stil */
.btn-primary {
  padding: 0.5rem 1.25rem;
}

.btn-outline-secondary, .btn-outline-success {
  padding: 0.5rem 1.25rem;
}

/* Mobil görünüm için düzenlemeler */
@media (max-width: 768px) {
  .col-md-6.d-flex.align-items-end .d-flex {
    flex-wrap: wrap;
    gap: 0.5rem !important;
  }
  
  .col-md-6.d-flex.align-items-end .btn {
    flex: 1;
    padding: 0.5rem;
    font-size: 0.9rem;
  }
}