/* ============================================================
   May Motors — Tasarım Sistemi
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── CSS Değişkenleri ──────────────────────────────────────── */
:root {
  /* Arka plan */
  --bg-primary: #f4f6f9;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.7);

  /* Sınır */
  --border-color: #e2e8f0;
  --border-color-hover: #cbd5e1;

  /* Metin */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #64748b;
  --text-muted: #94a3b8;

  /* Accent – Spor Kırmızı */
  --accent-start: #e11d48;
  --accent-end: #b91c1c;
  --accent-gradient: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  --accent-glow: rgba(225, 29, 72, 0.15);
  --accent-text: #e11d48;

  /* Başarı – Yeşil (Gelir) */
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.08);
  --success-glow: rgba(16, 185, 129, 0.15);
  --success-text: #059669;

  /* Tehlike – Kırmızı (Gider) */
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.08);
  --danger-glow: rgba(239, 68, 68, 0.15);
  --danger-text: #dc2626;

  /* Bilgi – Siyah/Koyu Gri */
  --info: #0f172a;
  --info-bg: rgba(15, 23, 42, 0.08);
  --info-text: #0f172a;

  /* Uyarı */
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.08);

  /* Boyutlar */
  --sidebar-width: 260px;
  --sidebar-collapsed: 72px;
  --header-height: 64px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Geçişler */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

  /* Gölge */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 20px rgba(15,23,42,0.05);
  --shadow-lg: 0 12px 30px rgba(15,23,42,0.08);
  --shadow-glow: 0 0 30px var(--accent-glow);
}

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

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection {
  background: rgba(245, 158, 11, 0.3);
  color: #fff;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }

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

/* ── Sidebar ────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: #0f0f15;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition-slow);
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-brand h1 {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
}

.sidebar-brand span {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.5px;
}

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

.nav-section-label {
  font-size: 0.68rem;
  font-weight: 600;
  color: #475569;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 16px 12px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: #94a3b8;
  font-size: 0.88rem;
  font-weight: 500;
  position: relative;
  user-select: none;
}

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

.nav-item.active {
  background: var(--accent-glow);
  color: #ffffff;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--accent-gradient);
  border-radius: 0 3px 3px 0;
}

.nav-item .nav-icon {
  font-size: 1.15rem;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ── Main Content ───────────────────────────────────────── */
.main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  transition: margin-left var(--transition-slow);
}

.main-header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  background: rgba(6, 6, 11, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  z-index: 50;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-left h2 {
  font-size: 1.15rem;
  font-weight: 600;
}

.header-left .page-subtitle {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 8px;
}

#main-content {
  padding: 28px 32px;
  max-width: 1440px;
  animation: fadeIn 0.3s ease;
}

/* ── Kartlar ────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--border-color-hover);
}

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

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card-subtitle {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* ── İstatistik Kartları ────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-md);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.stat-card.income::before { background: var(--accent-gradient); }
.stat-card.expense::before { background: linear-gradient(90deg, var(--danger), #dc2626); }
.stat-card.net::before { background: linear-gradient(90deg, var(--info), #2563eb); }
.stat-card.count::before { background: linear-gradient(90deg, #8b5cf6, #7c3aed); }

.stat-card .stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 14px;
}

.stat-card.income .stat-icon { background: var(--success-bg); }
.stat-card.expense .stat-icon { background: var(--danger-bg); }
.stat-card.net .stat-icon { background: var(--info-bg); }
.stat-card.count .stat-icon { background: rgba(139, 92, 246, 0.1); }

.stat-card .stat-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 6px;
}

.stat-card .stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}

.stat-card.income .stat-value { color: var(--success-text); }
.stat-card.expense .stat-value { color: var(--danger-text); }
.stat-card.net .stat-value { color: var(--info-text); }
.stat-card.net .stat-value.positive { color: var(--success-text); }
.stat-card.net .stat-value.negative { color: var(--danger-text); }

.stat-card .stat-change {
  font-size: 0.72rem;
  margin-top: 6px;
  color: var(--text-tertiary);
}

/* ── Grafik Alanları ────────────────────────────────────── */
.charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.chart-container {
  position: relative;
  width: 100%;
  height: 300px;
}

.chart-container canvas {
  width: 100% !important;
  height: 100% !important;
}

/* ── Tablolar ───────────────────────────────────────────── */
.data-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.85rem;
}

.data-table thead th {
  background: rgba(255, 255, 255, 0.03);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  position: sticky;
  top: 0;
}

.data-table tbody tr {
  transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.data-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  color: var(--text-primary);
  vertical-align: middle;
}

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

/* ── Etiketler ──────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-income {
  background: var(--success-bg);
  color: var(--success-text);
}

.badge-expense {
  background: var(--danger-bg);
  color: var(--danger-text);
}

.badge-category {
  background: rgba(255,255,255,0.05);
  color: var(--text-secondary);
}

/* ── Butonlar ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--bg-card);
  color: var(--text-primary);
  white-space: nowrap;
  user-select: none;
}

.btn:hover {
  border-color: var(--border-color-hover);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent-gradient);
  border: none;
  color: #000;
  font-weight: 600;
}

.btn-primary:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn-success {
  background: var(--success);
  border: none;
  color: #fff;
  font-weight: 600;
}

.btn-success:hover {
  background: #0ea573;
  box-shadow: 0 0 20px var(--success-glow);
}

.btn-danger {
  background: transparent;
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--danger-text);
}

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

.btn-sm {
  padding: 6px 12px;
  font-size: 0.78rem;
  border-radius: var(--radius-sm);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-sm);
  font-size: 1rem;
}

.btn-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ── Form Elemanları ────────────────────────────────────── */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.88rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-start);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder { color: var(--text-muted); }
.form-textarea { resize: vertical; min-height: 80px; }

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238892a4' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-inline {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
}

/* ── Sekmeler (Tabs) ────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  overflow-x: auto;
}

.tab {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-secondary);
  white-space: nowrap;
  border: none;
  background: transparent;
  font-family: inherit;
}

.tab:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
}

.tab.active {
  background: var(--accent-gradient);
  color: #000;
  font-weight: 600;
}

/* ── Modal ──────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 1.05rem;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: rgba(255,255,255,0.05);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--danger-bg);
  color: var(--danger-text);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
}

/* ── Bildirimler (Toast) ────────────────────────────────── */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  min-width: 280px;
  max-width: 400px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.3s ease, fadeOut 0.3s ease 2.7s forwards;
  font-size: 0.85rem;
}

.toast-success { border-left: 3px solid var(--success); }
.toast-error { border-left: 3px solid var(--danger); }
.toast-info { border-left: 3px solid var(--info); }

.toast-icon { font-size: 1.2rem; flex-shrink: 0; }

/* ── Filtre Çubuğu ──────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
}

.filter-bar .form-group {
  margin-bottom: 0;
  min-width: 160px;
}

/* ── Boş Durum ──────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-tertiary);
}

.empty-state .empty-icon {
  font-size: 3.5rem;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 0.85rem;
  max-width: 360px;
  margin: 0 auto;
}

/* ── Sayfa Başlığı ──────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-header h2 {
  font-size: 1.4rem;
  font-weight: 700;
}

.page-header .page-desc {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  margin-top: 4px;
}

/* ── Tür Seçici (Gelir/Gider Toggle) ───────────────────── */
.type-toggle {
  display: flex;
  gap: 0;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.type-toggle-btn {
  padding: 10px 24px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.type-toggle-btn.active-income {
  background: var(--success-bg);
  color: var(--success-text);
}

.type-toggle-btn.active-expense {
  background: var(--danger-bg);
  color: var(--danger-text);
}

/* ── İşlem Listesi ──────────────────────────────────────── */
.transaction-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.transaction-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.transaction-item:hover {
  border-color: var(--border-color-hover);
  background: var(--bg-card-hover);
}

.transaction-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.transaction-item.income .transaction-icon { background: var(--success-bg); }
.transaction-item.expense .transaction-icon { background: var(--danger-bg); }

.transaction-info { flex: 1; min-width: 0; }

.transaction-info .tx-category {
  font-weight: 600;
  font-size: 0.88rem;
}

.transaction-info .tx-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.transaction-info .tx-date {
  font-size: 0.72rem;
  color: var(--text-tertiary);
}

.transaction-amount {
  font-weight: 700;
  font-size: 1rem;
  white-space: nowrap;
}

.transaction-item.income .transaction-amount { color: var(--success-text); }
.transaction-item.expense .transaction-amount { color: var(--danger-text); }

.transaction-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.transaction-item:hover .transaction-actions { opacity: 1; }

/* ── Haftalık/Aylık Navigator ───────────────────────────── */
.period-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.period-nav .period-label {
  font-size: 1rem;
  font-weight: 600;
  min-width: 200px;
  text-align: center;
}

.period-nav .btn-icon {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

/* ── Yüzde Çubuğu ──────────────────────────────────────── */
.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar .progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-fill.income { background: var(--accent-gradient); }
.progress-fill.expense { background: linear-gradient(90deg, var(--danger), #dc2626); }

/* ── Özet Satırı ────────────────────────────────────────── */
.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.summary-row:last-child { border-bottom: none; }

.summary-row .summary-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.summary-row .summary-value {
  font-size: 0.95rem;
  font-weight: 600;
}

/* ── Pagination ─────────────────────────────────────────── */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
}

.pagination .page-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination .page-btn:hover { border-color: var(--accent-start); color: var(--accent-text); }
.pagination .page-btn.active {
  background: var(--accent-gradient);
  color: #000;
  border: none;
  font-weight: 600;
}

.pagination .page-info {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin: 0 8px;
}

/* ── Animasyonlar ───────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.animate-in {
  animation: fadeIn 0.35s ease both;
}

.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; }

/* ── Yüklenme Durumu ────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg,
    rgba(255,255,255,0.03) 25%,
    rgba(255,255,255,0.06) 50%,
    rgba(255,255,255,0.03) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* ── Grid Yardımcıları ──────────────────────────────────── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* ── Gizli Elemanlar ────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Tiktak Upload CSS ── */
.tiktak-upload-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.tiktak-dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 8px;
  text-align: center;
  background: var(--bg-tertiary);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100px;
}

.tiktak-dropzone:hover, .tiktak-dropzone.dragover {
  border-color: var(--primary-color);
  background: var(--bg-secondary);
}

.tiktak-dropzone .dz-icon {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.tiktak-dropzone .dz-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.tiktak-dropzone .dz-count {
  font-size: 0.7rem;
  background: var(--primary-color);
  color: white;
  padding: 2px 6px;
  border-radius: 12px;
  margin-top: 6px;
}

.tiktak-preview-container {
  display: flex;
  gap: 4px;
  margin-top: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.tiktak-preview-img {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  object-fit: cover;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* ── Mobile Responsive Overrides ── */
@media (max-width: 1024px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  /* Mobil Kart Görünümü (Mobile Cards) */
  .table-responsive {
    border: none;
    background: transparent;
    padding: 0;
  }
  
  .table-responsive table {
    min-width: 0 !important;
  }
  
  .table, .table tbody, .table tr, .table td {
    display: block;
    width: 100%;
  }
  
  .table thead {
    display: none; /* Hide headers */
  }
  
  .table tr {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    padding: 12px;
    box-shadow: var(--shadow-sm);
    position: relative;
    animation: fadeIn 0.4s ease-out;
  }
  
  .table td {
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 8px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: right;
  }
  
  .table td:last-child {
    border-bottom: none;
    justify-content: flex-end;
    gap: 8px;
    padding-top: 12px;
    margin-top: 4px;
  }
  
  .table td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--text-secondary);
    text-align: left;
    font-size: 0.8rem;
  }

  .sidebar {
    transform: translateX(-100%);
  }
  
    .sidebar.open {
      transform: translateX(0);
    }
  
    .main-wrapper {
      margin-left: 0;
    }

  .mobile-menu-btn {
    display: block;
  }

  #main-content {
    padding: 20px 16px;
  }

  .main-header {
    padding: 0 16px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  /* İşlem listesi mobilde alt alta daha düzgün dursun */
  .transaction-item {
    padding: 12px;
    align-items: flex-start;
  }

  .transaction-details {
    margin-right: 0;
  }

  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-bar .form-group {
    min-width: 100%;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .period-nav .period-label {
    min-width: 140px;
    font-size: 0.88rem;
  }

  .transaction-actions {
    opacity: 1;
  }
}

@media (max-width: 480px) {
  html { font-size: 14px; }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-card .stat-value {
    font-size: 1.35rem;
  }

  .modal {
    width: 100%;
    max-height: 90vh;
    margin-top: auto;
    margin-bottom: 0;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
  }

  .tiktak-upload-grid {
    grid-template-columns: 1fr 1fr;
  }

  .modal-body {
    padding: 16px;
  }
  
  .modal-header {
    padding: 16px;
  }

  .modal-footer {
    padding: 12px 16px;
    flex-direction: column;
  }
  
  .modal-footer .btn {
    width: 100%;
  }

  /* Header düzeni mobil uyumlu */
  .main-header {
    height: auto;
    padding: 12px 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    position: relative;
  }

  .header-left {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    width: calc(100% - 40px); /* Leave space for absolute bell */
  }
  
  .header-left h2 {
    font-size: 1.1rem;
  }

  .header-right {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }

  #header-notifications-container {
    position: absolute !important;
    top: 16px !important;
    right: 16px !important;
  }
  
  #header-notifications-container .dropdown-content {
    width: calc(100vw - 32px) !important;
    max-width: 350px !important;
    right: 0 !important;
    left: auto !important;
  }

  #header-cash-container .dropdown {
    width: 100%;
  }
  
  .header-right .btn {
    width: 100%;
    justify-content: center;
  }

  #header-cash-container {
    width: 100%;
  }

  #header-cash-container button {
    width: 100%;
    justify-content: space-between;
  }
  
  /* İşlemler */
  .transaction-item {
    flex-direction: column;
    gap: 10px;
  }
  
  .transaction-meta {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 8px;
  }

  /* Araç Kartları Mobilde Tek Sütun */
  .vehicles-grid {
    grid-template-columns: 1fr !important;
  }
  
  /* Filtre Çubuğu Mobil Tweak */
  .filter-bar .form-group {
    width: 100%;
  }
  
  .filter-bar .btn {
    width: 100%;
  }
    /* Giriş Ekranı Mobil Optimizasyonu */
  .login-card {
    padding: 24px;
  }

  .login-header h2 {
    font-size: 1.5rem;
  }
}

/* Tablolar Mobil Touch Scroll Optimizasyonu */
.data-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ── Sidebar Overlay (Mobile) ───────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
}

.sidebar-overlay.active {
  display: block;
}

/* ── Özel Yardımcılar ───────────────────────────────────── */
.text-income { color: var(--success-text); }
.text-expense { color: var(--danger-text); }
.text-positive { color: var(--success-text); }
.text-negative { color: var(--danger-text); }
.text-accent { color: var(--accent-text); }
.text-muted { color: var(--text-tertiary); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.font-mono { font-family: 'JetBrains Mono', monospace; }
.font-bold { font-weight: 700; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.gap-sm { gap: 8px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1; }
.w-full { width: 100%; }

/* ── Açılır Menü (Dropdown) Elemanları ─────────────────── */
.dropdown-item {
  color: var(--text-primary);
  background: transparent;
  border: none;
  transition: all var(--transition-fast);
}
.dropdown-item:hover {
  background: var(--bg-card-hover) !important;
  color: var(--accent-text) !important;
}

/* ============================================================
   GİRİŞ EKRANI (LOGIN SCREEN) STİLLERİ
   ============================================================ */
.login-wrapper {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0a0a0f 0%, #161622 100%);
  background-attachment: fixed;
  padding: 20px;
  overflow-y: auto;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: rgba(22, 22, 34, 0.85);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7),
              0 0 40px rgba(225, 29, 72, 0.12);
  transform: translateY(0);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  animation: loginFadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes loginFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo-container {
  width: 90px;
  height: 90px;
  margin: 0 auto 20px;
  background: rgba(225, 29, 72, 0.05);
  border: 1px dashed rgba(225, 29, 72, 0.3);
  border-radius: var(--radius-lg);
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 25px rgba(225, 29, 72, 0.1);
  transition: all var(--transition-base);
}

.login-logo-container:hover {
  border-color: var(--accent-start);
  box-shadow: 0 0 35px rgba(225, 29, 72, 0.25);
  transform: scale(1.05);
}

.login-logo-container img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.login-header h2 {
  font-size: 1.8rem;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}

.login-header span {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

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

.login-card .form-label {
  color: #e2e8f0;
  font-weight: 600;
  margin-bottom: 8px;
  display: block;
}

.login-card .form-input {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
  transition: all var(--transition-fast);
}

.login-card .form-input:focus {
  border-color: var(--accent-start);
  box-shadow: 0 0 10px rgba(225, 29, 72, 0.25);
  background: rgba(15, 23, 42, 0.8);
}

/* ============================================================
   KULLANICI YÖNETİMİ PANELİ STİLLERİ
   ============================================================ */
.profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.user-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.user-badge-admin {
  background: rgba(225, 29, 72, 0.08);
  color: var(--accent-text);
}

.user-badge-user {
  background: rgba(15, 23, 42, 0.06);
  color: var(--text-secondary);
}

.creator-info {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  color: var(--text-tertiary);
  margin-top: 4px;
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  width: fit-content;
}

.creator-info-icon {
  font-size: 0.8rem;
}

.user-table-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.sidebar-logo img {
  filter: drop-shadow(0 0 8px rgba(225, 29, 72, 0.25));
  transition: all var(--transition-base);
}

.sidebar:hover .sidebar-logo img {
  filter: drop-shadow(0 0 15px rgba(225, 29, 72, 0.5));
  transform: scale(1.05);
}

/* Üst Başlık Logo Rozeti */
.header-logo-badge {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(225, 29, 72, 0.05);
  border: 1px solid rgba(225, 29, 72, 0.15);
  box-shadow: 0 0 10px rgba(225, 29, 72, 0.1);
  margin-right: 12px;
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.header-logo-badge img {
  width: 85%;
  height: 85%;
  object-fit: contain;
  filter: drop-shadow(0 0 4px rgba(225, 29, 72, 0.15));
  transition: all var(--transition-base);
}

.header-logo-badge:hover {
  background: rgba(225, 29, 72, 0.1);
  border-color: rgba(225, 29, 72, 0.3);
  box-shadow: 0 0 15px rgba(225, 29, 72, 0.25);
}

.header-logo-badge:hover img {
  transform: scale(1.05);
}

/* Sayfa Arka Planına Çok Hafif Şeffaf Logo Filigranı (Watermark) */
.main-wrapper::before {
  content: '';
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 180px;
  height: 180px;
  background-image: var(--logo-watermark);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.025; /* Çok hafif, rahatsız etmeyen marka filigranı */
  pointer-events: none;
  z-index: -1;
  filter: drop-shadow(0 0 10px rgba(225, 29, 72, 0.2));
  transition: opacity var(--transition-base);
}

/* ── Vadeli Satış (Taksit) Stilleri ──────────────────────────── */
.sale-type-btn {
  border: 2px solid var(--border-color) !important;
  background: var(--bg-tertiary) !important;
  color: var(--text-secondary) !important;
  transition: all 0.25s ease;
}
.sale-type-btn.active {
  border-color: var(--success) !important;
  background: var(--success-bg) !important;
  color: var(--success-text) !important;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}
.sale-type-btn:hover:not(.active) {
  border-color: var(--border-color-hover) !important;
  background: var(--bg-card-hover) !important;
}

/* Taksit İlerleme Çubuğu */
.installment-progress {
  background: var(--bg-tertiary);
  border-radius: 10px;
  height: 10px;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border-color);
}
.installment-progress-bar {
  height: 100%;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--success), #22d3ee);
  transition: width 0.6s ease;
}
.installment-progress-bar.has-overdue {
  background: linear-gradient(90deg, var(--success), #f59e0b, var(--danger));
}

/* Taksit Tablosu */
.installment-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}
.installment-table th {
  background: var(--bg-tertiary);
  padding: 8px 10px;
  text-align: left;
  font-weight: 600;
  color: var(--text-tertiary);
  border-bottom: 2px solid var(--border-color);
  font-size: 0.72rem;
  text-transform: uppercase;
}
.installment-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}
.installment-table tr:hover {
  background: var(--bg-card-hover);
}
.installment-table tr.paid td {
  color: var(--text-muted);
}
.installment-table tr.overdue td {
  background: rgba(239, 68, 68, 0.05);
}

/* Taksit Badge'leri */
.inst-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 0.68rem;
  font-weight: 600;
}
.inst-badge.paid {
  background: var(--success-bg);
  color: var(--success-text);
}
.inst-badge.pending {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}
.inst-badge.overdue {
  background: var(--danger-bg);
  color: var(--danger-text);
  animation: pulse-overdue 2s infinite;
}
@keyframes pulse-overdue {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ── Bildirim Zili Animasyonu ─────────────────────────────────── */
@keyframes bellshake {
  0% { transform: rotate(0); }
  15% { transform: rotate(15deg); }
  30% { transform: rotate(-15deg); }
  45% { transform: rotate(10deg); }
  60% { transform: rotate(-10deg); }
  75% { transform: rotate(5deg); }
  85% { transform: rotate(-5deg); }
  100% { transform: rotate(0); }
}
.bell-shake {
  display: inline-block;
  animation: bellshake 1.5s infinite cubic-bezier(.36,.07,.19,.97) both;
  transform-origin: top center;
}

/* Animasyonlar */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-content {
  animation: fadeIn 0.3s ease-out;
}

/* ── Yönetim menüsü: küçük (kompakt) görünüm ─────────────
   Kullanıcı bu bölümün GİZLENMESİNİ değil, KÜÇÜK durmasını istedi:
   normalde yalnızca ikonlar görünür, başlığa basınca adlarıyla
   ayrıntılı hale gelir. Rol bazlı gizleme (app.js) bozulmadan
   çalışsın diye öğeler DOM'da kalıyor, sadece biçim değişiyor. */
#admin-menu-collapse.admin-kompakt {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 2px 0 4px;
}

#admin-menu-collapse.admin-kompakt .nav-item {
  width: 38px;
  height: 38px;
  padding: 0;
  margin: 0;
  justify-content: center;
  gap: 0;
}

/* Rol gereği gizlenen öğeler kompakt modda da gizli kalmalı. */
#admin-menu-collapse.admin-kompakt .nav-item[style*="display: none"] {
  display: none !important;
}

#admin-menu-collapse.admin-kompakt .nav-item > span:not(.nav-icon) {
  display: none;
}

#admin-menu-collapse.admin-kompakt .nav-item .nav-icon {
  margin: 0;
  font-size: 1.05rem;
}