:root {
  --admin-sidebar: #2c3e50;
  --admin-sidebar-hover: #34495e;
  --admin-sidebar-active: #1a252f;
  --admin-header: #34495e;
  --admin-bg: #f5f6fa;
  --admin-card: #ffffff;
  --admin-border: #e0e0e0;
  --admin-primary: #27ae60;
  --admin-danger: #e74c3c;
  --admin-warning: #f39c12;
  --admin-info: #3498db;
  --admin-text: #2c3e50;
  --admin-text-muted: #7f8c8d;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--admin-bg);
  color: var(--admin-text);
  line-height: 1.6;
}

.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 260px;
  background: var(--admin-sidebar);
  color: #fff;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  z-index: 1000;
}

.admin-sidebar__header {
  padding: 20px;
  background: var(--admin-sidebar-active);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.admin-sidebar__logo {
  font-size: 20px;
  font-weight: bold;
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-sidebar__menu {
  list-style: none;
  padding: 10px 0;
}

.admin-sidebar__item {
  margin: 2px 0;
}

.admin-sidebar__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  transition: all 0.2s;
  font-size: 14px;
}

.admin-sidebar__link:hover {
  background: var(--admin-sidebar-hover);
  color: #fff;
}

.admin-sidebar__link.active {
  background: var(--admin-sidebar-active);
  color: #fff;
  border-left: 3px solid var(--admin-primary);
}

.admin-sidebar__icon {
  width: 20px;
  text-align: center;
}

/* Seçim Sayfası açılır menü */
.admin-sidebar__item--has-sub .admin-sidebar__submenu {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  background: rgba(0, 0, 0, 0.15);
}
.admin-sidebar__item--has-sub.admin-sidebar__item--open .admin-sidebar__submenu {
  max-height: 220px;
}
.admin-sidebar__item--has-sub .admin-sidebar__link--toggle .admin-sidebar__chevron {
  transition: transform 0.2s;
}
.admin-sidebar__item--has-sub.admin-sidebar__item--open .admin-sidebar__link--toggle .admin-sidebar__chevron {
  transform: rotate(180deg);
}
.admin-sidebar__sublink {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px 10px 44px;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 13px;
  transition: background 0.2s;
}
.admin-sidebar__sublink:hover {
  background: var(--admin-sidebar-hover);
  color: #fff;
}
.admin-sidebar__sublink.active {
  background: var(--admin-sidebar-active);
  color: #fff;
  border-left: 3px solid var(--admin-primary);
  margin-left: 0;
  padding-left: 41px;
}

.admin-main {
  flex: 1;
  margin-left: 260px;
  min-height: 100vh;
}

.admin-header {
  background: var(--admin-card);
  padding: 15px 30px;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.admin-header__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--admin-text);
}

.admin-header__actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.admin-content {
  padding: 30px;
}

.admin-breadcrumb {
  font-size: 14px;
  color: var(--admin-text-muted);
  margin-bottom: 20px;
}

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

.admin-breadcrumb a:hover {
  text-decoration: underline;
}

.admin-card {
  background: var(--admin-card);
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  margin-bottom: 20px;
  overflow: hidden;
}

.admin-card__header {
  padding: 20px;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-card__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--admin-text);
}

.admin-card__body {
  padding: 20px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--admin-border);
}

.admin-table th {
  background: #f8f9fa;
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  color: var(--admin-text-muted);
}

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

.admin-table--striped tbody tr:nth-child(even) {
  background: #fafbfc;
}

.admin-table-wrap {
  overflow-x: auto;
  margin-top: 12px;
}

/* Sayfalama (admin listeler) */
.admin-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid #e2e8f0;
}

.admin-pagination__info {
  font-size: 13px;
  color: #64748b;
  font-weight: 500;
}

.admin-pagination__list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.admin-pagination__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #475569;
  text-decoration: none;
  background: #f1f5f9;
  transition: background 0.2s, color 0.2s;
}

.admin-pagination__link:hover {
  background: #e2e8f0;
  color: #1e293b;
}

.admin-pagination__link--current {
  background: var(--admin-primary, #2563eb);
  color: #fff;
  cursor: default;
}

.admin-pagination__link--disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.admin-pagination__link--prev,
.admin-pagination__link--next {
  gap: 6px;
}

.admin-pagination__dots {
  padding: 0 6px;
  color: #94a3b8;
  font-size: 14px;
}

@media (max-width: 640px) {
  .admin-pagination {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  .admin-pagination__list {
    justify-content: center;
  }
}

.admin-alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-alert--success {
  background: #ecfdf5;
  color: #065f46;
}

.admin-avatar {
  display: inline-block;
  border-radius: 8px;
  overflow: hidden;
  background: #f1f5f9;
}

.admin-avatar--sm {
  width: 44px;
  height: 44px;
  object-fit: cover;
}

.admin-avatar--placeholder {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  font-size: 18px;
}

.admin-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}

.admin-badge--success {
  background: #d1fae5;
  color: #065f46;
}

.admin-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.admin-empty {
  text-align: center;
  padding: 48px 24px;
  background: #f8fafc;
  border-radius: 12px;
  color: #64748b;
}

.admin-empty i {
  font-size: 48px;
  color: #cbd5e1;
  margin-bottom: 16px;
  display: block;
}

.admin-empty p {
  margin: 0 0 16px 0;
}

.admin-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.admin-btn--primary {
  background: var(--admin-primary);
  color: #fff;
}

.admin-btn--primary:hover {
  background: #229954;
}

.admin-btn--danger {
  background: var(--admin-danger);
  color: #fff;
}

.admin-btn--danger:hover {
  background: #c0392b;
}

.admin-btn--warning {
  background: var(--admin-warning);
  color: #fff;
}

.admin-btn--warning:hover {
  background: #d68910;
}

.admin-btn--info {
  background: var(--admin-info);
  color: #fff;
}

.admin-btn--info:hover {
  background: #2980b9;
}

.admin-btn--sm {
  padding: 6px 12px;
  font-size: 12px;
}

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

.admin-form-label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 14px;
  color: var(--admin-text);
}

.admin-form-input,
.admin-form-select,
.admin-form-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--admin-border);
  border-radius: 4px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s;
}

.admin-form-input:focus,
.admin-form-select:focus,
.admin-form-textarea:focus {
  outline: none;
  border-color: var(--admin-primary);
}

.admin-form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Modern Form Styles (BEM format) */
.admin-form {
  max-width: 100%;
}

.admin-form__group {
  margin-bottom: 24px;
}

.admin-form__label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 14px;
  color: var(--admin-text);
  letter-spacing: 0.01em;
}

.admin-form__input,
.admin-form__textarea,
.admin-form__select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--admin-border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  transition: all 0.3s ease;
  background: #fff;
  color: var(--admin-text);
}

.admin-form__input:focus,
.admin-form__textarea:focus,
.admin-form__select:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1);
}

.admin-form__input:hover,
.admin-form__textarea:hover,
.admin-form__select:hover {
  border-color: #bdc3c7;
}

.admin-form__textarea {
  min-height: 200px;
  resize: vertical;
  line-height: 1.6;
}

.admin-form__checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.admin-form__checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--admin-primary);
}

.admin-form__checkbox span {
  font-size: 14px;
  color: var(--admin-text);
  font-weight: 500;
}

.admin-form__actions {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--admin-border);
}

.admin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.admin-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.admin-btn:hover::before {
  width: 300px;
  height: 300px;
}

.admin-btn--success {
  background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
  color: #fff;
}

.admin-btn--success:hover {
  background: linear-gradient(135deg, #229954 0%, #1e8449 100%);
  box-shadow: 0 4px 12px rgba(39, 174, 96, 0.3);
  transform: translateY(-2px);
}

.admin-btn--secondary {
  background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%);
  color: #fff;
}

.admin-btn--secondary:hover {
  background: linear-gradient(135deg, #7f8c8d 0%, #707b7c 100%);
  box-shadow: 0 4px 12px rgba(127, 140, 141, 0.3);
  transform: translateY(-2px);
}

.admin-btn--primary {
  background: linear-gradient(135deg, var(--admin-primary) 0%, #229954 100%);
  color: #fff;
}

.admin-btn--primary:hover {
  background: linear-gradient(135deg, #229954 0%, #1e8449 100%);
  box-shadow: 0 4px 12px rgba(39, 174, 96, 0.3);
  transform: translateY(-2px);
}

.admin-btn--small {
  padding: 8px 16px;
  font-size: 13px;
}

.admin-alert {
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 500;
  border-left: 4px solid;
}

.admin-alert--danger {
  background: #fee;
  color: #c33;
  border-left-color: var(--admin-danger);
}

.admin-alert--success {
  background: #efe;
  color: #3c3;
  border-left-color: var(--admin-primary);
}

.admin-alert--warning {
  background: #ffc;
  color: #c90;
  border-left-color: var(--admin-warning);
}

.admin-alert--info {
  background: #eef;
  color: #36c;
  border-left-color: var(--admin-info);
}

/* File Input Modern Style */
.admin-form__input[type="file"] {
  padding: 16px;
  border: 2px dashed var(--admin-border);
  background: #f8f9fa;
  cursor: pointer;
  transition: all 0.3s ease;
}

.admin-form__input[type="file"]:hover {
  border-color: var(--admin-primary);
  background: #f0f9f4;
}

.admin-form__input[type="file"]::file-selector-button {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  background: var(--admin-primary);
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  margin-right: 12px;
  transition: all 0.3s ease;
}

.admin-form__input[type="file"]::file-selector-button:hover {
  background: #229954;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(39, 174, 96, 0.3);
}

/* Date Input Modern Style */
.admin-form__input[type="date"] {
  position: relative;
  cursor: pointer;
}

.admin-form__input[type="date"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.admin-form__input[type="date"]::-webkit-calendar-picker-indicator:hover {
  opacity: 1;
}

/* Card Modern Style */
.admin-card {
  background: var(--admin-card);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  margin-bottom: 24px;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.3s ease;
}

.admin-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.admin-card__header {
  padding: 24px 30px;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(to right, #f8f9fa, #fff);
}

.admin-card__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--admin-text);
  letter-spacing: -0.02em;
}

.admin-card__body {
  padding: 30px;
}

/* Small text helper */
.admin-form small {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--admin-text-muted);
  line-height: 1.5;
}

/* Modern Image Upload Area */
.admin-image-upload-wrapper {
  position: relative;
}

.admin-image-upload-area {
  border: 2px dashed var(--admin-border);
  border-radius: 12px;
  padding: 50px 30px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}

.admin-image-upload-area::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(39, 174, 96, 0.1), transparent);
  transition: left 0.5s ease;
}

.admin-image-upload-area:hover::before {
  left: 100%;
}

.admin-image-upload-area:hover {
  border-color: var(--admin-primary);
  background: linear-gradient(135deg, #f0f9f4 0%, #ffffff 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(39, 174, 96, 0.15);
}

.admin-image-upload-icon {
  font-size: 48px;
  color: var(--admin-primary);
  margin-bottom: 16px;
  display: block;
  transition: transform 0.3s ease;
}

.admin-image-upload-area:hover .admin-image-upload-icon {
  transform: scale(1.1) translateY(-4px);
}

.admin-image-upload-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--admin-text);
  margin-bottom: 8px;
}

.admin-image-upload-hint {
  font-size: 13px;
  color: var(--admin-text-muted);
  margin: 0;
}

.admin-form__input--file {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 10;
}

.admin-image-preview-wrapper {
  position: relative;
  display: inline-block;
  margin-top: 16px;
}

.admin-image-preview {
  max-width: 100%;
  max-height: 400px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  border: 3px solid var(--admin-primary);
  display: block;
  margin-bottom: 12px;
}

.admin-image-preview-wrapper .admin-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 20;
}

/* Number Input Modern Style */
.admin-form__input[type="number"] {
  -moz-appearance: textfield;
}

.admin-form__input[type="number"]::-webkit-outer-spin-button,
.admin-form__input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.admin-badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.admin-badge--success {
  background: #d4edda;
  color: #155724;
}

.admin-badge--danger {
  background: #f8d7da;
  color: #721c24;
}

.admin-badge--warning {
  background: #fff3cd;
  color: #856404;
}

.admin-tabs {
  display: flex;
  border-bottom: 2px solid var(--admin-border);
  margin-bottom: 20px;
}

.admin-tab {
  padding: 12px 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--admin-text-muted);
  margin-bottom: -2px;
  transition: all 0.2s;
}

.admin-tab:hover {
  color: var(--admin-text);
}

.admin-tab.active {
  color: var(--admin-primary);
  border-bottom-color: var(--admin-primary);
}

.admin-image-upload {
  border: 2px dashed var(--admin-border);
  border-radius: 8px;
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.admin-image-upload:hover {
  border-color: var(--admin-primary);
  background: #f8f9fa;
}

.admin-image-upload__icon {
  font-size: 48px;
  color: var(--admin-text-muted);
  margin-bottom: 10px;
}

.admin-image-upload__text {
  color: var(--admin-text-muted);
  font-size: 14px;
}

.admin-image-preview {
  max-width: 100%;
  max-height: 300px;
  border-radius: 4px;
  margin-top: 10px;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.admin-stat-card {
  background: var(--admin-card);
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.admin-stat-card__value {
  font-size: 32px;
  font-weight: bold;
  color: var(--admin-primary);
  margin-bottom: 5px;
}

.admin-stat-card__label {
  font-size: 14px;
  color: var(--admin-text-muted);
}

.admin-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.admin-modal.active {
  display: flex;
}

.admin-modal__content {
  background: var(--admin-card);
  border-radius: 8px;
  padding: 30px;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}

.admin-modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.admin-modal__title {
  font-size: 20px;
  font-weight: 600;
}

.admin-modal__close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--admin-text-muted);
}

.admin-checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.admin-checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-checkbox-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* Breadcrumb Modern Style */
.admin-breadcrumb {
  font-size: 13px;
  color: var(--admin-text-muted);
  margin-bottom: 24px;
  padding: 12px 0;
  border-bottom: 1px solid var(--admin-border);
}

.admin-breadcrumb a {
  color: var(--admin-primary);
  text-decoration: none;
  transition: color 0.2s ease;
  font-weight: 500;
}

.admin-breadcrumb a:hover {
  color: #229954;
  text-decoration: underline;
}

.admin-breadcrumb::before {
  content: '›';
  margin: 0 8px;
  color: var(--admin-text-muted);
}

/* Header Modern Style */
.admin-header {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  padding: 20px 30px;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(10px);
}

.admin-header__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--admin-text);
  letter-spacing: -0.02em;
}

@media (max-width: 768px) {
  .admin-sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
  }
  
  .admin-sidebar.active {
    transform: translateX(0);
  }
  
  .admin-main {
    margin-left: 0;
  }
  
  .admin-header {
    padding: 15px;
  }
  
  .admin-content {
    padding: 15px;
  }
  
  .admin-card__body {
    padding: 20px;
  }
  
  .admin-form__group {
    margin-bottom: 20px;
  }
  
  .admin-image-upload-area {
    padding: 40px 20px;
  }
  
  .admin-image-upload-icon {
    font-size: 36px;
  }
}