/* ============================================================
   ERP YÖNETİM SİSTEMİ — ANA STİL DOSYASI
   Modern, Profesyonel, Responsive
   ============================================================ */

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

/* ============================================================
   CSS DEĞİŞKENLER (DESIGN TOKENS)
   ============================================================ */
:root {
  /* Renkler */
  --primary:        #2563eb;
  --primary-dark:   #1d4ed8;
  --primary-light:  #dbeafe;
  --secondary:      #64748b;
  --success:        #10b981;
  --success-light:  #d1fae5;
  --warning:        #f59e0b;
  --warning-light:  #fef3c7;
  --danger:         #ef4444;
  --danger-light:   #fee2e2;
  --info:           #06b6d4;
  --info-light:     #cffafe;
  --purple:         #8b5cf6;
  --purple-light:   #ede9fe;
  --orange:         #f97316;
  --orange-light:   #ffedd5;

  /* Nötr renkler */
  --gray-50:   #f8fafc;
  --gray-100:  #f1f5f9;
  --gray-200:  #e2e8f0;
  --gray-300:  #cbd5e1;
  --gray-400:  #94a3b8;
  --gray-500:  #64748b;
  --gray-600:  #475569;
  --gray-700:  #334155;
  --gray-800:  #1e293b;
  --gray-900:  #0f172a;

  /* Arka planlar */
  --bg-body:     #f1f5f9;
  --bg-sidebar:  #0f172a;
  --bg-topbar:   #ffffff;
  --bg-card:     #ffffff;

  /* Tipografi */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs:   0.75rem;
  --font-size-sm:   0.875rem;
  --font-size-base: 0.9375rem;
  --font-size-lg:   1.0625rem;
  --font-size-xl:   1.25rem;
  --font-size-2xl:  1.5rem;
  --font-size-3xl:  1.875rem;

  /* Gölgeler */
  --shadow-sm:  0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow:     0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md:  0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:  0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl:  0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Border radius */
  --radius-sm:  0.375rem;
  --radius:     0.5rem;
  --radius-md:  0.75rem;
  --radius-lg:  1rem;
  --radius-xl:  1.25rem;

  /* Geçişler */
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Sidebar */
  --sidebar-width:         260px;
  --sidebar-width-compact: 72px;
  --topbar-height:         64px;
}

/* ============================================================
   RESET & TEMEL
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--gray-800);
  background: var(--bg-body);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; }

/* ============================================================
   LAYOUT — SIDEBAR + MAIN
   ============================================================ */
.app-wrapper {
  display: flex;
  min-height: 100vh;
  width: 100%;
  overflow-x: hidden;
}

/* ---- SIDEBAR ---- */
.app-sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-sidebar);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transition: var(--transition-slow);
  overflow: hidden;
}

.app-sidebar::-webkit-scrollbar { width: 5px; }
.app-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 3px; }

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  min-height: var(--topbar-height);
  text-decoration: none;
  flex-shrink: 0;
}

.sidebar-brand-icon {
  width: 36px; height: 36px;
  background: var(--primary);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 1rem; color: #fff; font-weight: 700;
}

.sidebar-brand-text { color: #fff; font-weight: 700; font-size: var(--font-size-base); line-height: 1.2; }
.sidebar-brand-sub  { color: var(--gray-400); font-size: 0.7rem; font-weight: 400; }

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.2) transparent;
}

.sidebar-nav::-webkit-scrollbar { width: 5px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 3px; }
.sidebar-nav::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.35); }

.nav-section {
  padding: 8px 16px 4px;
  color: var(--gray-500);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.nav-item { position: relative; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 16px;
  color: var(--gray-400);
  border-radius: var(--radius-sm);
  margin: 1px 8px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: var(--transition);
  text-decoration: none;
  position: relative;
  white-space: nowrap;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,0.07);
}

.nav-link.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.nav-link .nav-icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.nav-link .nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 9999px;
  font-weight: 600;
}

/* Sidebar Dropdown Submenus */
.dropdown-arrow {
  transition: transform 0.25s ease;
  font-size: 0.75rem;
  opacity: 0.7;
}

.nav-dropdown-toggle[aria-expanded="true"] .dropdown-arrow {
  transform: rotate(180deg);
  opacity: 1;
}

.nav-submenu {
  padding-left: 20px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
  margin: 2px 8px 6px 8px;
  border-left: 2px solid rgba(255, 255, 255, 0.1);
}

.submenu-link {
  display: flex;
  align-items: center;
  padding: 7px 12px;
  color: var(--gray-400);
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-decoration: none;
  margin: 2px 0;
}

.submenu-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.submenu-link.active {
  color: #fff;
  background: rgba(37, 99, 235, 0.85);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
}

.sidebar-user:hover { background: rgba(255,255,255,0.07); }

.sidebar-user-avatar {
  width: 36px; height: 36px;
  background: var(--primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.875rem; font-weight: 700; color: #fff;
  flex-shrink: 0;
}

.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name { color: #fff; font-size: var(--font-size-sm); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { color: var(--gray-500); font-size: 0.7rem; }

/* ---- MAIN CONTENT ---- */
.app-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  min-width: 0;
  display: flex;
  flex-direction: column;
  transition: var(--transition-slow);
}

/* ---- TOPBAR ---- */
.app-topbar {
  height: var(--topbar-height);
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  padding: 0 24px;
  position: sticky;
  top: 0; z-index: 900;
  gap: 16px;
  box-shadow: var(--shadow-sm);
}

.topbar-toggle {
  width: 36px; height: 36px;
  border: none; background: none;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--gray-600);
  font-size: 1.1rem;
  transition: var(--transition);
}

.topbar-toggle:hover { background: var(--gray-100); color: var(--gray-800); }

.topbar-breadcrumb {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  display: flex;
  align-items: center;
  gap: 6px;
}

.topbar-breadcrumb .breadcrumb-current {
  color: var(--gray-800);
  font-weight: 600;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-btn {
  width: 36px; height: 36px;
  border: none;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--gray-600);
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
}

.topbar-btn:hover { background: var(--gray-200); color: var(--gray-800); }

/* ---- PAGE CONTENT ---- */
.app-content {
  flex: 1;
  padding: 20px;
  min-width: 0;
  max-width: 100%;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}

.page-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
}

.page-subtitle {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  margin: 2px 0 0;
}

/* ============================================================
   KARTLAR
   ============================================================ */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.card:hover { box-shadow: var(--shadow); }

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: transparent;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--gray-800);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body { padding: 20px; }
.card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ============================================================
   DASHBOARD KPI KARTLARI
   ============================================================ */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
}

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

.kpi-card.kpi-blue::before   { background: var(--primary); }
.kpi-card.kpi-green::before  { background: var(--success); }
.kpi-card.kpi-orange::before { background: var(--warning); }
.kpi-card.kpi-red::before    { background: var(--danger); }
.kpi-card.kpi-purple::before { background: var(--purple); }
.kpi-card.kpi-teal::before   { background: var(--info); }

.kpi-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.kpi-blue .kpi-icon   { background: var(--primary-light);  color: var(--primary); }
.kpi-green .kpi-icon  { background: var(--success-light);  color: var(--success); }
.kpi-orange .kpi-icon { background: var(--warning-light);  color: var(--warning); }
.kpi-red .kpi-icon    { background: var(--danger-light);   color: var(--danger); }
.kpi-purple .kpi-icon { background: var(--purple-light);   color: var(--purple); }
.kpi-teal .kpi-icon   { background: var(--info-light);     color: var(--info); }

.kpi-content { flex: 1; min-width: 0; }
.kpi-label {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.kpi-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kpi-sub {
  font-size: var(--font-size-xs);
  color: var(--gray-400);
  margin-top: 4px;
}

.kpi-trend {
  font-size: var(--font-size-xs);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 3px;
}

.kpi-trend.up   { color: var(--success); }
.kpi-trend.down { color: var(--danger); }

/* ============================================================
   TABLOLAR
   ============================================================ */
.table-responsive { border-radius: var(--radius-lg); overflow: hidden; }

.table {
  margin: 0;
  font-size: var(--font-size-sm);
}

.table thead th {
  background: var(--gray-50);
  border-bottom: 2px solid var(--gray-200);
  color: var(--gray-600);
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 12px 16px;
  white-space: nowrap;
}

.table tbody td {
  padding: 12px 16px;
  vertical-align: middle;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
}

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

.table tbody tr:hover { background: var(--gray-50); }
.table tbody tr:last-child td { border-bottom: none; }

/* ============================================================
   BUTONLAR
   ============================================================ */
.btn {
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn-sm { padding: 5px 10px; font-size: var(--font-size-xs); }
.btn-lg { padding: 11px 24px; font-size: var(--font-size-base); }

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  box-shadow: 0 4px 12px rgba(37,99,235,0.35);
}

.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover { filter: brightness(0.9); color: #fff; }

.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { filter: brightness(0.9); color: #fff; }

.btn-warning { background: var(--warning); color: #fff; border-color: var(--warning); }
.btn-warning:hover { filter: brightness(0.9); color: #fff; }

.btn-secondary { background: var(--gray-100); color: var(--gray-700); border-color: var(--gray-300); }
.btn-secondary:hover { background: var(--gray-200); color: var(--gray-800); }

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

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

.btn-icon {
  width: 32px; height: 32px;
  padding: 0;
  justify-content: center;
  border-radius: var(--radius-sm);
}

/* ============================================================
   FORMLAR
   ============================================================ */
.form-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-control, .form-select {
  font-size: var(--font-size-sm);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  transition: var(--transition);
  color: var(--gray-800);
  background: #fff;
  width: 100%;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
  outline: none;
}

.form-control.is-invalid { border-color: var(--danger); }
.invalid-feedback { color: var(--danger); font-size: var(--font-size-xs); margin-top: 4px; display: block; }

.input-group-text {
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  color: var(--gray-600);
  font-size: var(--font-size-sm);
}

/* ============================================================
   BADGE & STATUS
   ============================================================ */
.badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 9999px;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ============================================================
   MODAl STİLLER
   ============================================================ */
.modal-content {
  border: none;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.modal-header {
  border-bottom: 1px solid var(--gray-200);
  padding: 20px 24px;
  background: var(--gray-50);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--gray-900);
}

.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* ============================================================
   TOAST BİLDİRİMLER
   ============================================================ */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 360px;
}

.toast {
  border-radius: var(--radius-md) !important;
  border: none !important;
  box-shadow: var(--shadow-lg) !important;
  font-size: var(--font-size-sm);
  backdrop-filter: blur(10px);
}

.toast-success { background: var(--success) !important; color: #fff !important; }
.toast-error   { background: var(--danger)  !important; color: #fff !important; }
.toast-warning { background: var(--warning) !important; color: #fff !important; }
.toast-info    { background: var(--info)    !important; color: #fff !important; }

/* ============================================================
   PARA BİRİMİ GÖSTERGELER
   ============================================================ */
.currency-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 9999px;
}

.currency-RON { background: #fff3cd; color: #856404; }
.currency-EUR { background: #cce5ff; color: #004085; }
.currency-USD { background: #d4edda; color: #155724; }
.currency-TRY { background: #f8d7da; color: #721c24; }

/* Pozitif/Negatif tutarlar */
.amount-positive { color: var(--success); font-weight: 600; }
.amount-negative { color: var(--danger);  font-weight: 600; }

/* ============================================================
   FİLTRE ÇUBUĞU
   ============================================================ */
.filter-bar {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 20px;
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.filter-bar .form-group { margin-bottom: 0; min-width: 150px; }

/* ============================================================
   LOADING OVERLAY
   ============================================================ */
.loading-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(255,255,255,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
  backdrop-filter: blur(2px);
}

.loading-spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ============================================================
   PUANTAJ TABLOsu
   ============================================================ */
.attendance-table td {
  padding: 4px 6px;
  text-align: center;
}

.att-cell {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 0.65rem;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
}

.att-cell:hover { transform: scale(1.1); }

.att-full     { background: var(--success-light); color: var(--success); }
.att-half     { background: var(--warning-light); color: var(--warning); }
.att-leave    { background: var(--info-light);    color: var(--info); }
.att-sick     { background: var(--purple-light);  color: var(--purple); }
.att-absent   { background: var(--danger-light);  color: var(--danger); }
.att-weekend  { background: var(--gray-100);      color: var(--gray-400); }
.att-holiday  { background: var(--orange-light);  color: var(--orange); }
.att-overtime { background: #e0f2fe;              color: #0369a1; }
.att-empty    { background: var(--gray-100);      color: var(--gray-300); }

.att-cell.selected { border-color: var(--primary); }
.att-cell.att-disabled {
  background: repeating-linear-gradient(-45deg, #f8fafc, #f8fafc 3px, #e2e8f0 3px, #e2e8f0 6px) !important;
  color: #94a3b8 !important;
  cursor: not-allowed !important;
  opacity: 0.65;
  border: 1px dashed #cbd5e1 !important;
  box-shadow: none !important;
}
.att-cell.att-disabled:hover {
  transform: none !important;
  box-shadow: none !important;
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 991.98px) {
  .app-sidebar {
    transform: translateX(calc(-1 * var(--sidebar-width)));
  }

  .app-sidebar.show {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }

  .app-main {
    margin-left: 0;
  }

  .sidebar-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    display: none;
  }

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

  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .filter-bar {
    flex-direction: column;
  }
}

@media (max-width: 575.98px) {
  .app-content { padding: 16px; }
  .kpi-grid { grid-template-columns: 1fr; }
  .kpi-card { padding: 16px; }
  .kpi-value { font-size: var(--font-size-lg); }
}

/* ============================================================
   STOK / ÜRÜN DURUMU
   ============================================================ */
.stock-ok      { color: var(--success); font-weight: 600; }
.stock-low     { color: var(--warning); font-weight: 600; }
.stock-out     { color: var(--danger);  font-weight: 600; }

/* ============================================================
   GRAFİK KONTEYNER
   ============================================================ */
.chart-container {
  position: relative;
  min-height: 280px;
}

/* ============================================================
   LOGIN SAYFASI
   ============================================================ */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #1d4ed8 100%);
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.login-wrapper::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: rgba(37,99,235,0.15);
  top: -200px; right: -200px;
}

.login-wrapper::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: rgba(37,99,235,0.1);
  bottom: -150px; left: -100px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: rgba(255,255,255,0.97);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: 0 25px 50px rgba(0,0,0,0.3);
  position: relative;
  z-index: 1;
}

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

.login-logo-icon {
  width: 64px; height: 64px;
  background: var(--primary);
  border-radius: var(--radius-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: #fff;
  font-weight: 700;
  margin-bottom: 12px;
  box-shadow: 0 8px 20px rgba(37,99,235,0.35);
}

.login-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--gray-900);
  text-align: center;
  margin-bottom: 4px;
}

.login-sub {
  text-align: center;
  color: var(--gray-500);
  font-size: var(--font-size-sm);
  margin-bottom: 28px;
}

/* ============================================================
   YARDIMCI SINIFLAR
   ============================================================ */
.text-money   { font-family: 'Courier New', monospace; font-weight: 600; }
.fw-600       { font-weight: 600; }
.fw-700       { font-weight: 700; }
.text-xs      { font-size: var(--font-size-xs); }
.text-sm      { font-size: var(--font-size-sm); }
.bg-primary-subtle  { background: var(--primary-light); }
.bg-success-subtle  { background: var(--success-light); }
.bg-danger-subtle   { background: var(--danger-light); }
.bg-warning-subtle  { background: var(--warning-light); }

/* Separator */
.divider { height: 1px; background: var(--gray-200); margin: 16px 0; }

/* Avatar */
.avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  background: var(--primary-light);
  color: var(--primary);
  flex-shrink: 0;
}

.avatar-sm { width: 28px; height: 28px; font-size: 0.7rem; }
.avatar-lg { width: 52px; height: 52px; font-size: 1rem; }

/* Tab navigasyon */
.nav-tabs .nav-link {
  color: var(--gray-500);
  border: none;
  padding: 10px 20px;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  transition: var(--transition);
}

.nav-tabs .nav-link:hover { color: var(--gray-800); }
.nav-tabs .nav-link.active {
  color: var(--primary);
  background: none;
  border-bottom-color: var(--primary);
  font-weight: 600;
}

/* Progress bar */
.progress { height: 6px; border-radius: 9999px; background: var(--gray-100); }
.progress-bar { border-radius: 9999px; }

/* Scrollbar genel */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

/* Print stiller */
@media print {
  .app-sidebar, .app-topbar, .no-print { display: none !important; }
  .app-main { margin-left: 0 !important; }
  .app-content { padding: 0 !important; }
  .card { box-shadow: none !important; border: 1px solid #ccc !important; }
}

/* Select2 Arama Uyumlaştırması */
.select2-container--bootstrap-5 .select2-selection {
  min-height: 38px;
  border-color: var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}
.select2-container--bootstrap-5 .select2-dropdown {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-md);
  z-index: 99999 !important;
}
.select2-container--bootstrap-5 .select2-search__field {
  border-radius: var(--radius-sm);
  padding: 6px 12px;
}

/* Ekrana Tam Sığdırma & Toplu Hızlı Giriş Stilleri */
.btn-xs { padding: 3px 8px; font-size: 0.75rem; border-radius: 4px; }

.quick-entry-table th {
  padding: 8px 6px !important;
  font-size: 0.78rem !important;
  font-weight: 700 !important;
  background-color: var(--gray-100) !important;
  white-space: nowrap;
}

.quick-entry-table td {
  padding: 5px 6px !important;
  vertical-align: middle !important;
}

.quick-entry-table .form-control-sm,
.quick-entry-table .form-select-sm {
  padding: 3px 6px !important;
  font-size: 0.82rem !important;
  height: 32px !important;
}

.quick-entry-table .select2-container--bootstrap-5 .select2-selection {
  min-height: 32px !important;
  height: 32px !important;
  padding: 2px 6px !important;
  font-size: 0.82rem !important;
}

/* === EXCHANGE RATE AUTO-FILL === */
input[name='exchange_rate'].loading,
input[name='contract_exchange_rate'].loading {
  background-color: #f0f4ff;
  background-image: linear-gradient(90deg, #e8efff 25%, #d0ddff 50%, #e8efff 75%);
  background-size: 200% 100%;
  animation: rate-shimmer 1.2s infinite linear;
  color: #3b5bdb;
  font-weight: 700;
}

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

label.rate-label {
  font-size: 0.8rem;
  color: #6c757d;
  font-weight: 600;
}

input[name='exchange_rate'].fw-bold,
input[name='contract_exchange_rate'].fw-bold {
  font-weight: 700 !important;
  color: #1971c2;
}

/* ============================================================
   AY SEÇİCİ & NAVİGASYON BİLEŞENİ (MONTH NAVIGATOR)
   ============================================================ */
.month-navigator-widget {
  user-select: none;
}

.month-navigator-widget .btn-group {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  border: 1px solid #cbd5e1 !important;
  background-color: #ffffff;
  transition: all 0.2s ease-in-out;
}

.month-navigator-widget .btn-group:hover {
  border-color: #94a3b8 !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.month-navigator-widget .btn-light:hover {
  background-color: #f1f5f9 !important;
  color: var(--primary) !important;
}

.month-navigator-widget .dropdown-toggle::after {
  margin-left: 0.35em;
  vertical-align: 0.15em;
  border-top: 0.3em solid #2563eb;
}

/* ============================================================
   KAPSAMLI MOBİL & TABLET RESPONSIVE İYİLEŞTİRMELERİ
   ============================================================ */
@media (max-width: 991.98px) {
  .app-content {
    padding: 12px 14px !important;
  }

  .page-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 10px !important;
    margin-bottom: 16px !important;
  }

  .page-header .d-flex {
    width: 100%;
    flex-wrap: wrap;
    gap: 6px !important;
  }

  .page-header .btn {
    flex: 1 1 auto;
    text-align: center;
    justify-content: center;
  }

  .month-navigator-widget {
    width: 100%;
    justify-content: flex-start;
  }

  .filter-bar {
    padding: 12px !important;
    gap: 8px !important;
  }

  .filter-bar .form-group,
  .filter-bar .form-select,
  .filter-bar .form-control {
    width: 100% !important;
    min-width: 100% !important;
  }

  .table-responsive {
    border-radius: 8px;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05);
    margin-bottom: 12px;
  }

  .card-header.d-flex,
  .card-body .d-flex.justify-content-between {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 8px !important;
  }

  .kpi-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }
}

@media (max-width: 575.98px) {
  .app-content {
    padding: 10px !important;
  }

  .kpi-grid {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  .btn-group {
    flex-wrap: wrap;
  }

  .modal-dialog {
    margin: 8px !important;
    max-width: calc(100vw - 16px) !important;
  }

  .table td, .table th {
    padding: 6px 8px !important;
    font-size: 0.82rem !important;
  }

  .month-navigator-widget .btn-group {
    width: 100%;
    display: flex;
    justify-content: space-between;
  }

  .month-navigator-widget .btn-group .dropdown {
    flex-grow: 1;
    text-align: center;
  }

  .month-navigator-widget .btn-group .dropdown-toggle {
    width: 100%;
  }
}

/* ============================================================
   AUTH / LOGIN PAGE
   ============================================================ */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.08) 0%, rgba(15, 23, 42, 0.03) 90%), #f8fafc;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: #ffffff;
  border-radius: 1.25rem;
  border: 1px solid #e2e8f0;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
  padding: 40px;
  transition: var(--transition);
}

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

.login-logo-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #ffffff;
  font-size: 1.35rem;
  font-weight: 800;
  border-radius: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3);
}

.login-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.login-sub {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 0;
}

/* ============================================================
   GELİŞMİŞ AY & YIL SEÇİCİ (MONTH & YEAR NAVIGATOR) STİLLERİ
   ============================================================ */
.month-navigator-widget {
  user-select: none;
}

.month-nav-pill {
  transition: all 0.2s ease-in-out;
  border: 1px solid #cbd5e1;
}
.month-nav-pill:hover {
  border-color: #93c5fd !important;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.12) !important;
}

.month-nav-arrow:hover {
  background-color: #f1f5f9;
  color: #2563eb !important;
  transform: scale(1.1);
}

.mn-month-card {
  border: 1px solid transparent;
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1) !important;
}
.mn-month-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
}
.mn-month-card.btn-light:hover {
  background-color: #eff6ff !important;
  color: #1d4ed8 !important;
  border-color: #bfdbfe !important;
}

.mn-year-btn:hover {
  background-color: #e2e8f0 !important;
  color: #1e293b !important;
}