/* ==========================================================================
   POZİTİF ADMİN DASHBOARD v2 — DESIGN TOKENS & BASE THEME
   Standart: Vercel / Linear Minimal Flat Light
   Kurallar: Slate-900 sol menü, bembeyaz kartlar, #f8fafc gövde, ZERO HOVER FLOAT
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  /* Renk Paleti */
  --bg-app: #f8fafc;
  --bg-sidebar: #0f172a;
  --bg-card: #ffffff;
  --bg-input: #ffffff;
  
  --border-light: #e2e8f0;
  --border-hover: #cbd5e1;
  --border-focus: #3b82f6;

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-inverse: #f8fafc;

  /* Buton & Vurgu Renkleri */
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --success: #16a34a;
  --success-hover: #15803d;
  --warning: #f59e0b;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --indigo: #4f46e5;

  /* Tipografi */
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Gölgeler (Subtle & Flat) */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);

  /* Yuvarlaklıklar */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

/* KATI KURAL: ZERO HOVER FLOAT */
* {
  transition: transform 0s !important; /* Asla yukarı/aşağı zıplama yok */
}

/* Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Slate 900 Antrasit Sol Menü */
.app-sidebar {
  width: 250px;
  background-color: var(--bg-sidebar);
  color: #94a3b8;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-header {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
}

.sidebar-brand {
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.3px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-section-title {
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 700;
  color: #64748b;
  padding: 12px 8px 4px;
  letter-spacing: 0.5px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  color: #94a3b8;
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background-color 0.15s ease, color 0.15s ease !important;
}

.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: #ffffff;
}

.nav-link.active {
  background-color: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  font-weight: 600;
}

.nav-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

/* Ana İçerik Alanı */
.app-main {
  margin-left: 250px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.app-header {
  height: 64px;
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.header-title-box h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.3px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-content {
  padding: 28px;
  flex: 1;
}

/* Bembeyaz Kartlar */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}

/* Katı Buton Hiyerarşisi */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  font-size: 13.5px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
  font-family: inherit;
  white-space: nowrap;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12.5px;
}

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

.btn-success {
  background-color: var(--success);
  color: #fff;
}
.btn-success:hover {
  background-color: var(--success-hover);
}

.btn-secondary {
  background-color: #ffffff;
  border-color: var(--border-light);
  color: var(--text-main);
}
.btn-secondary:hover {
  background-color: #f1f5f9;
  border-color: var(--border-hover);
}

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

/* Tablolar */
.datatable-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.datatable-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.datatable-search-box {
  position: relative;
  width: 320px;
}

.datatable-search-input {
  width: 100%;
  padding: 9px 12px 9px 36px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13.5px;
  background-color: #fff;
  outline: none;
}
.datatable-search-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-icon {
  position: absolute;
  left: 11px;
  top: 9px;
  font-size: 13px;
  color: var(--text-light);
}

.datatable-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.table-responsive {
  overflow-x: auto;
}

.modern-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.modern-table th {
  background-color: #f8fafc;
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-light);
  letter-spacing: 0.4px;
}

.modern-table th.sortable {
  cursor: pointer;
  user-select: none;
}
.modern-table th.sortable:hover {
  color: var(--text-main);
}

.modern-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-main);
  font-size: 13.5px;
}

.modern-table tbody tr:last-child td {
  border-bottom: none;
}

.modern-table tbody tr:hover {
  background-color: #f8fafc; /* Hover rengi değişir ama yukarı zıplamaz */
}

.datatable-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-top: 1px solid var(--border-light);
  background-color: #ffffff;
}

.datatable-count {
  font-size: 13px;
  color: var(--text-muted);
}

.datatable-pagination {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pagination-info {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
}

/* Rozetler (Badges) */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.badge-success { background: #dcfce7; color: #15803d; }
.badge-warning { background: #fef3c7; color: #b45309; }
.badge-danger { background: #fee2e2; color: #b91c1c; }
.badge-info { background: #e0f2fe; color: #0369a1; }
.badge-gray { background: #f1f5f9; color: #475569; }

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(2px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s ease !important;
}

.modal-backdrop.visible {
  opacity: 1;
}

.modal-dialog {
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 540px;
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
}
.modal-close:hover { color: var(--text-main); }

.modal-body {
  padding: 20px;
  max-height: 75vh;
  overflow-y: auto;
}

.modal-footer {
  padding: 14px 20px;
  background: #f8fafc;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

/* Toast Bildirimleri */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 12px 16px;
  min-width: 280px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  animation: slideIn 0.2s ease;
}

.toast.toast-success { border-left: 4px solid var(--success); }
.toast.toast-error { border-left: 4px solid var(--danger); }
.toast.toast-warning { border-left: 4px solid var(--warning); }
.toast.toast-info { border-left: 4px solid var(--primary); }

@keyframes slideIn {
  from { transform: translateX(50px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.route-loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 0;
  gap: 16px;
  color: var(--text-muted);
}

.route-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-light);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}