:root{
  /* Enterprise Minimalist Dark Mode (Zinc/Slate base) */
  --bg: #09090b;
  --panel: #18181b;
  --panel2: #27272a;
  --border: #27272a;
  --text: #fafafa;
  --muted: #a1a1aa;
  --shadow: 0 4px 20px rgba(0,0,0,0.4);
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --radius: 8px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

:root[data-theme="light"]{
  --bg: #f4f4f5;
  --panel: #ffffff;
  --panel2: #fafafa;
  --border: #e4e4e7;
  --text: #09090b;
  --muted: #71717a;
  --shadow: 0 4px 12px rgba(0,0,0,0.05);
}

@media (prefers-color-scheme: light){
  :root:not([data-theme]){
    --bg: #f4f4f5;
    --panel: #ffffff;
    --panel2: #fafafa;
    --border: #e4e4e7;
    --text: #09090b;
    --muted: #71717a;
    --shadow: 0 4px 12px rgba(0,0,0,0.05);
  }
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family:var(--sans);
  background: var(--bg);
  color:var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

code{ font-family:var(--mono); font-size:.95em; }

.app{ min-height:100%; display:flex; flex-direction:column; }

.topbar{
  position:sticky; top:0; z-index:5;
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 22px;
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
:root[data-theme="light"] .topbar{ background: rgba(255,255,255,.85); }
@media (prefers-color-scheme: light){
  :root:not([data-theme]) .topbar{ background: rgba(255,255,255,.85); }
}

.brand{ display:flex; align-items:center; gap:12px; }
.brandMark{
  width:42px; height:42px;
  display:grid; place-items:center;
  border-radius:14px;
  background: var(--text);
  color: var(--bg);
  font-weight:900;
  box-shadow: none;
}
.brandTitle{ font-weight:800; letter-spacing:.2px; }
.brandSub{ font-size:12px; color:var(--muted); margin-top:2px; }

.topbarActions{ display:flex; align-items:center; gap:10px; }

.main{
  width:min(1180px, calc(100% - 40px));
  margin: 22px auto 40px;
  display:flex;
  flex-direction:column;
  gap:18px;
}

.card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}

.cardHeader{ padding:18px 18px 12px; }
.cardHeader h2{ margin:0 0 6px; font-size:18px; }
.muted{ color:var(--muted); }

.grid{ display:grid; gap:14px; padding: 0 18px 18px; }
.grid.two{ grid-template-columns: 1.2fr .8fr; }
@media (max-width: 980px){ .grid.two{ grid-template-columns: 1fr; } }

label{ display:block; font-size:12px; color:var(--muted); margin: 0 0 6px; }
input,select{
  width:100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 8px 12px;
  background: var(--panel2);
  color: var(--text);
  outline:none;
  min-height: 36px;
  font-family: inherit;
  font-size: 13px;
}
:root[data-theme="light"] input,
:root[data-theme="light"] select{ background: #ffffff; }
@media (prefers-color-scheme: light){
  :root:not([data-theme]) input,
  :root:not([data-theme]) select{ background: #ffffff; }
}
input::placeholder{ color: rgba(255,255,255,.45); }
:root[data-theme="light"] input::placeholder{ color: rgba(0,0,0,.38); }
@media (prefers-color-scheme: light){
  :root:not([data-theme]) input::placeholder{ color: rgba(0,0,0,.38); }
}
.smallInput{ padding:9px 10px; border-radius: 999px; }

.row{ display:flex; gap:10px; margin-top:10px; flex-wrap:wrap; }

.btn{
  display: inline-flex;
  align-items: center; justify-content: center; gap: 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--text);
  padding: 8px 14px;
  cursor:pointer;
  font-weight: 500;
  transition: all 0.2s ease;
  font-size: 13px;
}
.btn:hover{ background: var(--border); }
.btn:active{ transform: translateY(1px); }
.btn:focus-visible{ outline: 2px solid var(--primary); outline-offset: 2px; }
.btn.primary{
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}
.btn.primary:hover{ background: var(--primary-hover); border-color: var(--primary-hover); }
.btn.ghost{ background: transparent; border-color: transparent; }
.btn.ghost:hover{ background: var(--panel2); }
.btn:disabled{ opacity:.55; cursor:not-allowed; }

.pill{
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  font-size: 12px;
  color: var(--muted);
}

.statusBox{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel2);
  padding: 12px;
}
.statusTitle{ font-weight:800; margin-bottom:8px; }
.statusLog{
  margin:0;
  white-space:pre-wrap;
  word-break:break-word;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  max-height: 210px;
  overflow:auto;
}
.hint{ padding: 8px 18px 18px; color: var(--muted); font-size: 12px; }

.tabs .tabBar{
  display: flex;
  gap: 20px;
  padding: 0 18px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.tab{
  border-radius: 0;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  padding: 14px 4px;
  margin-bottom: -1px;
  cursor: pointer;
  font-weight: 500;
  font-size: 14px;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.tab:hover{ color: var(--text); }
.tab.active{
  color: var(--text);
  border-bottom-color: var(--primary);
}
.tabPanels{ padding: 12px; }
.panel{ display:none; }
.panel.active{ display:block; }
.panelHeader{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px;
  padding: 10px 6px 12px;
}
.panelHeader h3{ margin:0; font-size: 15px; }
.panelActions{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; }

.tableWrap{
  overflow-x: auto;
  border-top: 1px solid var(--border);
}
.table{ width:100%; border-collapse: collapse; min-width: 760px; }
.table th, .table td{
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  vertical-align: middle;
}
.table th{ text-align:left; color: var(--muted); font-weight:600; background: var(--panel); text-transform: uppercase; letter-spacing: 0.5px; font-size: 11px; }
.table td{ color: var(--text); }
.table tr{ transition: background 0.15s ease; }
.table tr:hover td{ background: var(--panel2); }
.table .num{ text-align:right; font-variant-numeric: tabular-nums; }
.right{ text-align:right; }

.badge{
  display:inline-flex;
  gap:6px;
  align-items:center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-size: 12px;
}
.badge.ok{ border-color: var(--border); color: var(--muted); }
.badge.danger{ border-color: var(--text); color: var(--text); }

.divider{ height: 1px; background: var(--border); margin: 18px 0; }

.footer{
  margin-top:auto;
  padding: 18px 22px 26px;
  border-top: 1px solid var(--border);
  background: transparent;
}

.hidden{ display:none !important; }

/* Modal */
.modalRoot{
  position:fixed; inset:0;
  display:grid; place-items:center;
  z-index: 20;
}
.modalBackdrop{
  position:absolute; inset:0;
  background: rgba(0,0,0,.70);
}
.modal{
  position:relative;
  width:min(720px, calc(100% - 28px));
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow:hidden;
}
:root[data-theme="light"] .modal{ background: #ffffff; }
@media (prefers-color-scheme: light){
  :root:not([data-theme]) .modal{ background: #ffffff; }
}
.modalHeader{
  padding: 14px 14px 10px;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:10px;
  border-bottom: 1px solid var(--border);
}
.modalTitle{ font-weight:900; }
.modalBody{ padding: 12px 14px 16px; }
.span2{ grid-column: span 2; }
.toggleRow{ display:flex; align-items:flex-end; }
.toggle{ display:flex; align-items:center; gap:10px; user-select:none; color: var(--muted); }
.toggle input{ width:auto; }
.iconBtn{
  width: 38px; height: 38px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor:pointer;
}
.iconBtn:hover{ background: rgba(255,255,255,.10); }

.form{ padding: 0 6px 10px; }

.depotLabel{
  font-size: 12px;
  margin-top: 2px;
  letter-spacing: .2px;
}

/* Ürün satırı 3-nokta menü */
.menuTrigger{
  font-size: 18px;
  line-height: 1;
  letter-spacing: 0;
}
.productMenu{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  min-width: 130px;
}
.productMenuItem{
  display: block;
  width: 100%;
  padding: 11px 16px;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.productMenuItem:hover{ background: var(--panel2); }
.productMenuItem.danger{ color: #e05252; }
.productMenuItem.danger:hover{ background: rgba(224,82,82,.12); }

/* Danger button */
.btn.danger{
  border-color: #e05252;
  background: #e05252;
  color: #fff;
}
.btn.danger:hover{ background: #c94040; }

/* Checkbox cell */
.cbCell{ width: 36px; text-align: center; }
.cbCell input[type=checkbox]{ width:auto; cursor:pointer; accent-color: var(--text); }
td.cbCell{ padding-left:12px; }

/* Floating bulk delete bar */
.bulkBar{
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 18px;
  box-shadow: var(--shadow);
  z-index: 30;
  font-size: 14px;
  font-weight: 600;
}

/* Undo bar */
.undoBar{
  position: fixed;
  bottom: 0;
  left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  background: var(--panel2);
  border-top: 1px solid var(--border);
  z-index: 40;
  font-size: 14px;
}
.undoCountdown{
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--muted);
  min-width: 24px;
  text-align: center;
}

/* --- YENİ EKLENENLER: Animasyonlar & Metrik Kartları --- */

/* Sayfa ve Sekme Geçiş Animasyonları */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.fadeIn {
  animation: fadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Tab Panel Active State (Fade/Slide effect) */
.tabPanels .panel.active {
  display: block;
  animation: fadeIn 0.25s ease-out forwards;
}

/* Row Added Animation (Optimistic UI) */
@keyframes rowHighlight {
  0% { background-color: rgba(59, 130, 246, 0.15); }
  100% { background-color: transparent; }
}
.row-added {
  animation: rowHighlight 1.5s ease-out forwards;
}

/* Metric Cards Dashboard */
.metricGrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  padding: 0 18px 24px;
}
.metricCard {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.metricTitle {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.metricValue {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}
.metricValue.error {
  color: #e05252;
}

/* --- MOBİL UYUMLULUK (RESPONSIVE) --- */
@media (max-width: 768px) {
  .main {
    width: calc(100% - 20px);
    margin: 10px auto 30px;
    gap: 14px;
  }
  .cardHeader { padding: 14px; }
  .tabs .tabBar { padding: 0 14px; gap: 14px; }
  .tab { font-size: 13px; padding: 12px 2px; }
}

@media (max-width: 640px) {
  .topbar { flex-wrap: wrap; justify-content: center; gap: 12px; padding: 12px 14px; }
  
  .panelHeader {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 14px;
  }
  .panelActions {
    width: 100%;
    flex-wrap: wrap !important;
  }
  .panelActions input {
    flex: 1;
    min-width: 100% !important; /* Stack input on its own line */
    margin-bottom: 6px;
  }
  .panelActions button {
    flex: 1;
    justify-content: center;
  }

  .metricGrid {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 14px 18px;
    gap: 10px;
  }
  .metricCard { padding: 12px; gap: 4px; }
  .metricTitle { font-size: 11px; }
  .metricValue { font-size: 22px; }

  .table th, .table td {
    padding: 10px;
    font-size: 12px;
  }
  
  .undoBar {
    flex-direction: column;
    text-align: center;
    padding: 12px;
    gap: 10px;
  }
  
  .bulkBar {
    width: calc(100% - 28px);
    bottom: 14px;
  }
  
  .modal {
    width: calc(100% - 20px);
    border-radius: 12px;
  }
  .modalHeader { padding: 12px; }
  .modalBody { padding: 12px; }
  .hint { padding: 8px 12px 14px; }
}

@media (max-width: 400px) {
  .metricGrid {
    grid-template-columns: 1fr;
  }
}