/* ═══════════════════════════════════════════════════════════════
   PEARNIGHT STOK — Tasarım Sistemi
   Derin gece mavisi + Armut yeşili
   ═══════════════════════════════════════════════════════════════ */

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

/* ── CSS DEĞİŞKENLERİ ─────────────────────────────────────────── */
:root {
  --bg:           #0a0e1a;
  --surface:      #111827;
  --surface-2:    #1c2538;
  --surface-3:    #243044;
  --border:       #2d3748;
  --border-light: #374151;

  --accent:       #7cb518;
  --accent-hover: #8fd61e;
  --accent-dim:   rgba(124, 181, 24, 0.15);
  --accent-glow:  rgba(124, 181, 24, 0.25);

  --text:         #e2e8f0;
  --text-muted:   #94a3b8;
  --text-dim:     #64748b;

  --danger:       #ef4444;
  --danger-dim:   rgba(239, 68, 68, 0.15);
  --warning:      #f59e0b;
  --warning-dim:  rgba(245, 158, 11, 0.15);
  --success:      #22c55e;
  --success-dim:  rgba(34, 197, 94, 0.15);
  --info:         #3b82f6;
  --info-dim:     rgba(59, 130, 246, 0.15);

  --sidebar-w:    260px;
  --topbar-h:     64px;
  --radius:       12px;
  --radius-sm:    8px;
  --radius-lg:    16px;
  --shadow:       0 4px 24px rgba(0,0,0,0.4);
  --shadow-sm:    0 2px 8px rgba(0,0,0,0.3);

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;

  --transition: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

img { max-width: 100%; height: auto; }

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

/* ── SIDEBAR ──────────────────────────────────────────────────── */
.pn-sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: transform var(--transition);
  overflow-y: auto;
}

.pn-sidebar-brand {
  display: flex;
  align-items: center;
  padding: 20px 20px 18px;
  border-bottom: 1px solid var(--border);
}

.pn-brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.pn-brand-logo-full {
  height: 32px;
  width: auto;
  display: block;
  transition: opacity var(--transition);
}

.pn-brand-logo-mark {
  height: 28px;
  width: auto;
  display: none;
  transition: opacity var(--transition);
}

.pn-sidebar.collapsed .pn-brand-logo-full,
.pn-sidebar-collapsed .pn-brand-logo-full {
  display: none !important;
}

.pn-sidebar.collapsed .pn-brand-logo-mark,
.pn-sidebar-collapsed .pn-brand-logo-mark {
  display: block !important;
}

.pn-sidebar-nav {
  flex: 1;
  padding: 16px 12px;
}

.pn-nav-section {
  margin-bottom: 24px;
}

.pn-nav-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 0 8px;
  margin-bottom: 6px;
}

.pn-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: 2px;
  position: relative;
}

.pn-nav-item:hover {
  background: var(--surface-2);
  color: var(--text);
}

.pn-nav-item.active {
  background: var(--accent-dim);
  color: var(--accent);
}

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

.pn-nav-icon {
  width: 18px; height: 18px;
  flex-shrink: 0;
  opacity: 0.8;
}

.pn-sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}

.pn-user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
}

.pn-user-avatar {
  width: 34px; height: 34px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
}

.pn-user-info { flex: 1; min-width: 0; }
.pn-user-name { font-size: 13px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pn-user-role { font-size: 11px; color: var(--text-muted); }

.pn-logout-btn {
  background: none; border: none; cursor: pointer;
  color: var(--text-dim); padding: 4px;
  border-radius: 4px; transition: color var(--transition);
  flex-shrink: 0;
}
.pn-logout-btn:hover { color: var(--danger); }

/* ── TOPBAR ───────────────────────────────────────────────────── */
.pn-topbar {
  position: fixed;
  top: 0;
  left: var(--sidebar-w);
  right: 0;
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 16px;
  z-index: 100;
}

.pn-menu-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); padding: 6px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.pn-menu-toggle:hover { background: var(--surface-2); color: var(--text); }

.pn-topbar-search {
  flex: 1;
  max-width: 420px;
  position: relative;
}

.pn-topbar-search input {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px 8px 38px;
  color: var(--text);
  font-size: 14px;
  font-family: var(--font);
  transition: all var(--transition);
}

.pn-topbar-search input::placeholder { color: var(--text-dim); }
.pn-topbar-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.pn-topbar-search-icon {
  position: absolute;
  left: 11px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
}

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

.pn-topbar-badge {
  background: var(--danger);
  color: white;
  font-size: 11px;
  font-weight: 700;
  border-radius: 99px;
  padding: 1px 6px;
  min-width: 18px;
  text-align: center;
  line-height: 16px;
}

/* ── ANA İÇERİK ───────────────────────────────────────────────── */
.pn-main {
  margin-left: var(--sidebar-w);
  padding-top: var(--topbar-h);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.pn-content {
  flex: 1;
  padding: 28px 32px;
}

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

.pn-page-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.pn-page-title small {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

.pn-breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.pn-breadcrumb a { color: var(--text-muted); }
.pn-breadcrumb a:hover { color: var(--accent); }
.pn-breadcrumb-sep { color: var(--text-dim); }

/* ── KART ─────────────────────────────────────────────────────── */
.pn-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.pn-card-sm { padding: 16px; }
.pn-card-lg { padding: 32px; }

.pn-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 12px;
}

.pn-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

/* ── STAT KARTLARI ────────────────────────────────────────────── */
.pn-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.pn-stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}

.pn-stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-light);
}

.pn-stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--transition);
}

.pn-stat-card:hover::before { opacity: 1; }

.pn-stat-card.danger::before { background: var(--danger); opacity: 1; }
.pn-stat-card.warning::before { background: var(--warning); opacity: 1; }

.pn-stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.pn-stat-value {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.pn-stat-value.accent { color: var(--accent); }
.pn-stat-value.danger { color: var(--danger); }
.pn-stat-value.warning { color: var(--warning); }

.pn-stat-icon {
  position: absolute;
  right: 16px; top: 16px;
  font-size: 28px;
  opacity: 0.12;
}

/* ── TABLO ────────────────────────────────────────────────────── */
.pn-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.pn-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.pn-table thead th {
  background: var(--surface-2);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.pn-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.pn-table tbody tr:last-child { border-bottom: none; }
.pn-table tbody tr:hover { background: var(--surface-2); }

.pn-table tbody td {
  padding: 12px 16px;
  color: var(--text);
  vertical-align: middle;
}

.pn-table tbody td.muted { color: var(--text-muted); }

/* ── ROZET & DURUM ────────────────────────────────────────────── */
.pn-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--mono);
  letter-spacing: 0.3px;
}

.pn-badge-stock {
  background: var(--surface-2);
  color: var(--accent);
  border: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
}

.pn-badge-green  { background: var(--success-dim); color: var(--success); }
.pn-badge-red    { background: var(--danger-dim);  color: var(--danger); }
.pn-badge-yellow { background: var(--warning-dim); color: var(--warning); }
.pn-badge-blue   { background: var(--info-dim);    color: var(--info); }
.pn-badge-gray   { background: var(--surface-3);   color: var(--text-muted); }

/* Yeni badge renkleri (Aşama 3 — hareket renkleri) */
.pn-badge-cyan   { background: hsl(189,85%,18%);   color: hsl(189,85%,62%); }
.pn-badge-purple { background: hsl(262,47%,22%);   color: hsl(262,82%,78%); }
.pn-badge-orange { background: hsl(25,90%,16%);    color: hsl(25,90%,60%); }
.pn-badge-amber  { background: hsl(38,92%,14%);    color: hsl(38,92%,58%); }

/* ── ARAMA SEKMELERİ (Aşama 2) ────────────────────────────────── */
.pn-search-tab {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.pn-search-tab:hover {
  background: var(--surface-2);
  color: var(--text);
}
.pn-search-tab.active {
  background: var(--accent-dim, hsl(231,60%,20%));
  color: var(--accent);
  border-color: var(--accent);
}

/* ── SPINNER ────────────────────────────────────────────────────── */
.pn-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: pn-spin 0.6s linear infinite;
}
@keyframes pn-spin { to { transform: rotate(360deg); } }

/* ── UYARI BUTTON ───────────────────────────────────────────────── */
.btn-pn-warning {
  background: var(--warning-dim);
  color: var(--warning);
  border: 1px solid hsl(38,90%,30%);
}
.btn-pn-warning:hover {
  background: hsl(38,92%,25%);
  color: var(--warning);
}


/* ── STOK SAYISI (Büyük Gösterim) ─────────────────────────────── */
.pn-stock-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  font-family: var(--font);
}

.pn-stock-number.critical { color: var(--danger); }
.pn-stock-number.warning  { color: var(--warning); }

/* ── BUTONLAR ─────────────────────────────────────────────────── */
.btn-pn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-pn-primary {
  background: var(--accent);
  color: #0a0e1a;
  border-color: var(--accent);
}
.btn-pn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #0a0e1a;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-pn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
}
.btn-pn-secondary:hover {
  background: var(--surface-3);
  border-color: var(--border-light);
  color: var(--text);
}

.btn-pn-danger {
  background: var(--danger-dim);
  color: var(--danger);
  border-color: var(--danger);
}
.btn-pn-danger:hover {
  background: var(--danger);
  color: white;
}

.btn-pn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: transparent;
}
.btn-pn-ghost:hover {
  background: var(--surface-2);
  color: var(--text);
}

.btn-pn-sm { padding: 6px 12px; font-size: 13px; }
.btn-pn-lg { padding: 13px 28px; font-size: 16px; }

/* ── FORM ELEMANLARI ──────────────────────────────────────────── */
.pn-form-group {
  margin-bottom: 20px;
}

.pn-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 7px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.pn-input, .pn-select, .pn-textarea {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text);
  font-size: 14px;
  font-family: var(--font);
  transition: all var(--transition);
}

.pn-input::placeholder { color: var(--text-dim); }
.pn-select option { background: var(--surface-2); }
.pn-textarea { resize: vertical; min-height: 100px; }

.pn-input:focus, .pn-select:focus, .pn-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.pn-input.error, .pn-select.error { border-color: var(--danger); }
.pn-input.error:focus, .pn-select.error:focus {
  box-shadow: 0 0 0 3px var(--danger-dim);
}

.pn-input-group {
  position: relative;
}

.pn-input-group .pn-input { padding-left: 40px; }

.pn-input-group-icon {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
}

.pn-form-error {
  font-size: 12px;
  color: var(--danger);
  margin-top: 5px;
}

.pn-form-hint {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 5px;
}

/* ── UYARI / BİLDİRİM ─────────────────────────────────────────── */
.pn-alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 20px;
}

.pn-alert-success { background: var(--success-dim); color: var(--success); border: 1px solid rgba(34,197,94,0.25); }
.pn-alert-danger  { background: var(--danger-dim);  color: var(--danger);  border: 1px solid rgba(239,68,68,0.25); }
.pn-alert-warning { background: var(--warning-dim); color: var(--warning); border: 1px solid rgba(245,158,11,0.25); }
.pn-alert-info    { background: var(--info-dim);    color: var(--info);    border: 1px solid rgba(59,130,246,0.25); }

/* ── FİLTRE ARAÇ ÇUBUĞU ──────────────────────────────────────── */
.pn-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.pn-toolbar-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.pn-toolbar-search {
  position: relative;
  min-width: 200px;
}

.pn-toolbar-search input {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px 8px 34px;
  color: var(--text);
  font-size: 13px;
  font-family: var(--font);
  transition: all var(--transition);
}

.pn-toolbar-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.pn-toolbar-search-icon {
  position: absolute;
  left: 10px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
}

.pn-toolbar-divider {
  width: 1px; height: 28px;
  background: var(--border);
  flex-shrink: 0;
}

/* ── SAYFALAMA ────────────────────────────────────────────────── */
.pn-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 20px;
}

.pn-page-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.pn-page-btn:hover { background: var(--surface-2); color: var(--text); }
.pn-page-btn.active { background: var(--accent); color: #0a0e1a; border-color: var(--accent); font-weight: 700; }
.pn-page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── ÜRÜN KARTI ───────────────────────────────────────────────── */
.pn-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.pn-product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
}

.pn-product-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.pn-product-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--surface-2);
}

.pn-product-image-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 40px;
}

.pn-product-info {
  padding: 14px;
}

.pn-product-code {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.pn-product-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pn-product-stock-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── GİRİŞ SAYFASI ────────────────────────────────────────────── */
.pn-auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 24px;
}

.pn-auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow);
}

.pn-auth-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 36px;
}

.pn-auth-logo img {
  height: 44px;
  width: auto;
  max-width: 100%;
  display: block;
}

.pn-auth-logo-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
}

.pn-auth-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.pn-auth-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

/* ── BARKOD OKUMA (MOBİL) ─────────────────────────────────────── */
.pn-scan-area {
  background: var(--surface-2);
  border: 2px dashed var(--border-light);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
}

.pn-scan-area:hover, .pn-scan-area.active {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.pn-scan-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 18px;
  background: var(--accent);
  color: #0a0e1a;
  border: none;
  border-radius: var(--radius);
  font-size: 17px;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition);
}

.pn-scan-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

.pn-scan-btn-icon { font-size: 22px; }

/* ── MOBİL ALT NAVİGASYON ────────────────────────────────────── */
.pn-mobile-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 8px 0 max(8px, env(safe-area-inset-bottom));
  z-index: 300;
}

.pn-mobile-nav-inner {
  display: flex;
  justify-content: space-around;
}

.pn-mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 10px;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  min-width: 56px;
}

.pn-mobile-nav-item:hover,
.pn-mobile-nav-item.active {
  color: var(--accent);
}

.pn-mobile-nav-item svg {
  width: 22px; height: 22px;
}

/* ── YÜKLEME / OVERLAY ────────────────────────────────────────── */
.pn-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 40px;
  color: var(--text-muted);
}

.pn-spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ── TOAST BİLDİRİMLERİ ───────────────────────────────────────── */
.pn-toast-container {
  position: fixed;
  top: 80px; right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 360px;
}

.pn-toast {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  font-size: 14px;
  color: var(--text);
  animation: slideIn 0.25s ease;
}

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

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* ── BOŞ DURUM ────────────────────────────────────────────────── */
.pn-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  text-align: center;
  color: var(--text-muted);
}

.pn-empty-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.5; }
.pn-empty-title { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.pn-empty-text { font-size: 14px; color: var(--text-dim); }

/* ── YARDIMCI SINIFLAR ────────────────────────────────────────── */
.text-accent   { color: var(--accent); }
.text-muted    { color: var(--text-muted); }
.text-danger   { color: var(--danger); }
.text-success  { color: var(--success); }
.text-warning  { color: var(--warning); }

.font-mono { font-family: var(--mono); }
.font-bold { font-weight: 700; }
.font-sm   { font-size: 13px; }
.font-xs   { font-size: 11px; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }

.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-4  { margin-bottom: 4px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

.w-full { width: 100%; }

/* ── SCROLLBAR ────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ── RESPONSİVE ───────────────────────────────────────────────── */
@media (max-width: 991px) {
  .pn-sidebar {
    transform: translateX(-100%);
  }

  .pn-sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 40px rgba(0,0,0,0.6);
  }

  .pn-topbar {
    left: 0;
  }

  .pn-main {
    margin-left: 0;
    padding-bottom: 72px;
  }

  .pn-menu-toggle {
    display: flex;
  }

  .pn-mobile-nav {
    display: block;
  }

  .pn-content {
    padding: 20px 16px;
  }

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

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

@media (max-width: 576px) {
  .pn-content { padding: 16px 12px; }
  .pn-auth-card { padding: 32px 24px; }
  .pn-stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .pn-stat-value { font-size: 26px; }
  .pn-stock-number { font-size: 36px; }
  .pn-table thead { display: none; }
  .pn-table tbody tr {
    display: flex; flex-direction: column;
    padding: 12px; border-bottom: 1px solid var(--border);
  }
  .pn-table tbody td { padding: 3px 0; border: none; }
}

/* ── SİDEBAR OVERLAY (MOBİL) ──────────────────────────────────── */
.pn-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 199;
  backdrop-filter: blur(2px);
}

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

/* ── PRINT ────────────────────────────────────────────────────── */
@media print {
  .pn-sidebar, .pn-topbar, .pn-mobile-nav { display: none !important; }
  .pn-main { margin-left: 0; padding-top: 0; }
  body { background: white; color: black; }
  .pn-card { border: 1px solid #ccc; }
}

/* ═══════════════════════════════════════════════════════════════
   VARYANT MATRİSİ & DETAY PANELİ TASARIM SİSTEMİ
   ═══════════════════════════════════════════════════════════════ */

/* ── ETİKET GİRİŞ ALANLARI (TAG INPUTS) ──────────────────────── */
.pn-tag-input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pn-tag-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  min-height: 48px;
  transition: border-color var(--transition);
}

.pn-tag-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.pn-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 600;
  user-select: none;
}

.pn-tag-pill-blue {
  background: var(--info-dim);
  color: var(--info);
  border-color: var(--info);
}

.pn-tag-pill button {
  background: none;
  border: none;
  color: inherit;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  padding: 0 2px;
  opacity: 0.8;
}

.pn-tag-pill button:hover {
  opacity: 1;
}

.pn-tag-input-field {
  flex: 1;
  min-width: 140px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
}

.pn-presets-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.pn-preset-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  padding: 3px 10px;
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
}

.pn-preset-btn:hover {
  background: var(--surface-3);
  color: var(--text);
  border-color: var(--border-light);
}

/* ── TOPLU İŞLEMLER ARAÇ ÇUBUĞU ─────────────────────────────── */
.pn-bulk-toolbar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.pn-bulk-group {
  display: flex;
  gap: 8px;
  align-items: center;
}

.pn-bulk-inputs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
}

.pn-input-sm {
  height: 36px;
  padding: 4px 10px;
  font-size: 13px;
}

/* ── MATRİS TABLOSU & KART HÜCRELER ──────────────────────────── */
.pn-matrix-scroll-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.pn-matrix-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.matrix-corner-cell {
  position: sticky;
  top: 0;
  left: 0;
  z-index: 12;
  background: var(--surface-2);
  border-bottom: 2px solid var(--border);
  border-right: 2px solid var(--border);
  padding: 12px;
  min-width: 140px;
}

.matrix-col-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface-2);
  border-bottom: 2px solid var(--border);
  border-right: 1px solid var(--border);
  padding: 10px 8px;
  min-width: 120px;
  text-align: center;
}

.matrix-row-header {
  position: sticky;
  left: 0;
  z-index: 9;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  border-right: 2px solid var(--border);
  padding: 12px;
  min-width: 140px;
}

.matrix-cell {
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  padding: 8px;
  min-width: 130px;
  vertical-align: top;
  transition: background var(--transition);
}

.cell-selected {
  background: rgba(124, 181, 24, 0.05);
}

.cell-deselected {
  background: var(--surface);
  opacity: 0.55;
}

.cell-critical {
  background: rgba(239, 68, 68, 0.08);
}

.matrix-cell-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 96px;
  border-radius: 6px;
  padding: 6px;
  cursor: pointer;
  border: 1px dashed transparent;
  transition: all var(--transition);
}

.matrix-cell-inner:hover {
  border-color: var(--accent);
  background: rgba(124, 181, 24, 0.1);
}

.btn-cell-gear {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  transition: color var(--transition), background var(--transition);
}

.btn-cell-gear:hover {
  color: var(--accent);
  background: var(--surface-3);
}

.cell-stock-field {
  height: 30px;
  font-size: 12px;
  text-align: center;
}

/* ── HÜCRE DETAY YAN PANELİ (OFFCANVAS DRAWER) ───────────────── */
.pn-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease-in-out;
}

.pn-drawer-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.pn-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 380px;
  max-width: 90vw;
  height: 100vh;
  background: var(--surface);
  border-left: 1px solid var(--border);
  z-index: 999;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow);
}

.pn-drawer.active {
  transform: translateX(0);
}

.pn-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.pn-drawer-header h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pn-drawer-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
}

.pn-drawer-close:hover {
  color: var(--text);
}

.pn-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.pn-drawer-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* ── STOK İŞLEM EKRANLARI ORTAK TASARIMI VE EŞİTLENMİŞ BOYUTLAR ────────────── */
.operation-container,
.operation-packaging,
.operation-goods-receipt,
.operation-return,
.operation-stock-count {
  --op-primary: var(--accent);
  --op-primary-soft: var(--accent-dim);
  --op-primary-border: rgba(124, 181, 24, 0.3);
  --op-primary-text: var(--accent);
}

/* Temaya özel stil bağlamaları */
.operation-container .pn-page-title i,
.operation-container .pn-page-title .text-op {
  color: var(--op-primary-text) !important;
}

.operation-container .pn-search-tab.active {
  background: var(--op-primary) !important;
  color: #ffffff !important;
  border-color: var(--op-primary) !important;
}

.operation-container .btn-op-main {
  background: var(--op-primary) !important;
  border-color: var(--op-primary) !important;
  color: #ffffff !important;
  min-height: 48px;
  font-size: 16px;
  font-weight: 700;
}

.operation-container .btn-op-main:hover {
  filter: brightness(1.15);
  box-shadow: 0 4px 16px var(--op-primary-soft);
}

.operation-container .pn-card-op-header {
  border-top: 4px solid var(--op-primary);
}

.operation-container .op-badge {
  background: var(--op-primary-soft);
  color: var(--op-primary-text);
  border: 1px solid var(--op-primary-border);
}

/* Boyut ve mobil dokunma standartları */
.operation-container .pn-search-tab,
.operation-container .btn-pn,
.operation-container .pn-input,
.operation-container .pn-select {
  min-height: 44px;
}

@media (max-width: 768px) {
  .operation-container .pn-search-tabs {
    flex-wrap: wrap;
  }
  .operation-container .pn-search-tab {
    flex: 1 1 calc(50% - 4px);
    justify-content: center;
  }
}

/* ── RENK VE BEDEN SEÇİMİ BİLEŞENLERİ ──────────────────────────────────────── */
.pn-color-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
  margin-top: 8px;
}

.pn-color-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 8px;
  background: var(--surface-2);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
  min-height: 90px;
}

.pn-color-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.pn-color-card.active {
  border-color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 0 0 1px var(--accent);
}

.pn-color-thumb {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-bottom: 6px;
}

.pn-color-title {
  font-weight: 700;
  font-size: 13px;
  color: var(--text);
  text-align: center;
}

.pn-color-stock {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.pn-color-check {
  position: absolute;
  top: 6px;
  right: 6px;
  color: var(--accent);
  font-size: 14px;
}

.pn-size-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.pn-size-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px;
  background: var(--surface-2);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 52px;
}

.pn-size-card:hover:not(.disabled) {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.pn-size-card.active {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.pn-size-card.disabled {
  opacity: 0.45;
  cursor: not-allowed;
  background: var(--surface-1);
  border-color: var(--border);
}

.pn-size-title {
  font-weight: 800;
  font-size: 15px;
  color: var(--text);
}

.pn-size-stock {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── AKIŞ STEPPER BİLEŞENİ ───────────────────────────────────────── */
.pn-stepper {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  flex-wrap: wrap;
}

.pn-stepper-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  cursor: default;
}

.pn-stepper-item.step-completed {
  color: var(--success);
  cursor: pointer;
}

.pn-stepper-item.step-active {
  color: var(--accent);
  background: var(--accent-dim);
}

.pn-stepper-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--surface-3);
  font-size: 11px;
  font-weight: 700;
}

.step-completed .pn-stepper-num {
  background: var(--success-dim);
  color: var(--success);
}

.step-active .pn-stepper-num {
  background: var(--accent);
  color: #0a0e1a;
}

.pn-stepper-arrow {
  color: var(--text-muted);
  font-size: 12px;
  opacity: 0.6;
}

/* ── MOBİL VE DOKUNMATİK OPTİMİZASYONLARI (Mobile First) ────── */
@media (max-width: 768px) {
  /* iOS Safari focus sırasında otomatik zoom yapmasını engelle */
  .pn-input, .pn-select, .pn-textarea, input[type="text"], input[type="number"], select, textarea {
    font-size: 16px !important;
  }

  /* Dokunmatik hedefler (Minimum 44x44px erişilebilirlik) */
  .btn-pn:not(.btn-pn-xs), .btn-pn-sm, .pn-search-mode-btn, .pn-quick-btn {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* Modal taşma ve güvenli alan */
  .pn-modal {
    max-height: 90dvh !important;
    overflow-y: auto !important;
    width: 94% !important;
    padding: 16px !important;
  }

  /* Tabloların sayfa taşması yerine kontrollü yatay kaydırılması */
  .table-responsive, .pn-table-wrap {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
  }

  /* Safe area desteği */
  body {
    padding-bottom: env(safe-area-inset-bottom, 0);
  }
}