:root {
  --bg-page: #0f0f12;
  --bg-card: #18181c;
  --bg-input: #222228;
  --border: #2a2a32;
  --text: #e8e8ed;
  --text-muted: #9090a0;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --danger: #ef4444;
  --danger-hover: #f87171;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --font: 'DM Sans', -apple-system, sans-serif;
}

body.light {
  --bg-page: #f6f7fb;
  --bg-card: #ffffff;
  --bg-input: #f1f3f9;
  --border: #e3e7f0;
  --text: #0f172a;
  --text-muted: #475569;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg-page);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  overflow: auto;
}

.theme-toggle {
  position: fixed;
  right: 14px;
  top: 14px;
  z-index: 220;
  display: flex;
  gap: 8px;
}

.theme-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  transition: transform 0.1s, background 0.2s, border-color 0.2s;
}

.theme-btn:hover {
  background: var(--bg-input);
  border-color: var(--text-muted);
}

.theme-btn:active {
  transform: scale(0.98);
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 200;
  background: rgba(24, 24, 28, 0.92);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  max-width: min(420px, calc(100vw - 36px));
  font-size: 0.95rem;
  text-align: left;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.dialog {
  position: fixed;
  inset: 0;
  z-index: 210;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease, visibility 0.15s ease;
}

.dialog.is-open {
  opacity: 1;
  visibility: visible;
}

.dialog-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.dialog-box {
  position: relative;
  width: 100%;
  max-width: 520px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 20px 16px;
  box-shadow: var(--shadow);
}

.dialog-title {
  margin: 0 0 10px 0;
  font-size: 1.1rem;
  font-weight: 700;
}

.dialog-message {
  white-space: pre-wrap;
  color: var(--text);
  font-size: 0.95rem;
}

.dialog-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 16px;
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.header h1 {
  margin: 0 0 16px 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  gap: 8px;
}

.nav-btn {
  font: inherit;
  padding: 10px 20px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 500;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.nav-btn:hover {
  background: var(--bg-input);
  border-color: var(--text-muted);
}

.nav-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Panels */
.main {
  flex: 1 1 auto;
  min-height: 0;
}

.panel {
  display: none;
  flex: 1 1 auto;
  min-height: 0;
  flex-direction: column;
}

.panel.active {
  display: flex;
}

.toolbar {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.search-wrap {
  flex: 1;
  min-width: 200px;
  position: relative;
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  opacity: 0.7;
}

.search-input {
  width: 100%;
  padding: 12px 14px 12px 42px;
  font: inherit;
  font-size: 0.95rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* Scroll list container – kaydırma alanı var, yükseklik küçülmez */
.table-wrap.scroll-list {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex: 1 1 auto;
  min-height: 480px;
  max-height: calc(100vh - 200px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.table-wrap.scroll-list .table-header-wrap {
  flex: 0 0 auto;
  overflow: hidden;
  /* Gövde tarafındaki scrollbar genişliği kadar pay */
  padding-right: 17px;
}

.table-wrap.scroll-list .tbody-scroll {
  flex: 1 1 auto;
  min-height: 0;
  /* Scrollbar her zaman yer kaplasın ki başlık-gövde hizası bozulmasın */
  overflow-y: scroll;
  overflow-x: hidden;
  scrollbar-gutter: stable;
  padding-right: 0;
  padding-bottom: 14px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  table-layout: fixed;
  font-variant-numeric: tabular-nums;
}

/* Parçalar: 4 sütun (ID yok) */
.data-table[data-table="liste"] .col-malzeme { width: 47%; }
.data-table[data-table="liste"] .col-kutu { width: 20%; }
.data-table[data-table="liste"] .col-adet { width: 15%; }
.data-table[data-table="liste"] .col-actions { width: 18%; }

/* Envanter: 4 sütun (ID yok, Kutu No yok) */
.data-table[data-table="envanter"] .col-malzeme { width: 28%; }
.data-table[data-table="envanter"] .col-adet { width: 12%; }
.data-table[data-table="envanter"] .col-lokasyon { width: 38%; }
.data-table[data-table="envanter"] .col-actions { width: 22%; }
/* Envanter: Adet (2) ve Lokasyon (3) ortada */
.data-table[data-table="envanter"] th:nth-child(2),
.data-table[data-table="envanter"] td:nth-child(2),
.data-table[data-table="envanter"] th:nth-child(3),
.data-table[data-table="envanter"] td:nth-child(3) {
  text-align: center !important;
}
/* Envanter: Lokasyon hücresi her zaman görünsün */
.data-table[data-table="envanter"] td.cell-lokasyon {
  min-width: 5em;
  color: var(--text);
}

.data-table thead {
  background: var(--bg-input);
  border-bottom: 1px solid var(--border);
}

.data-table th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--text-muted);
  box-sizing: border-box;
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  box-sizing: border-box;
}

/* Adet sütunu: başlık + veri tam ortada */
.data-table th.cell-adet,
.data-table td.cell-adet {
  text-align: center !important;
}

/* Parçalar: Adet rakamları çok az sola */
.data-table[data-table="liste"] td.cell-adet {
  padding-left: 16px;
  padding-right: 16px;
  transform: translateX(1px);
}

/* Kutu No sütunu */
.data-table th.cell-kutu,
.data-table td.cell-kutu {
  text-align: center !important;
}

.data-table tbody tr:hover {
  background: rgba(99, 102, 241, 0.06);
}

.data-table th.col-actions {
  text-align: center;
}
.data-table td.col-actions {
  text-align: right;
  padding-right: 24px;
}

.actions-wrap {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
}

.btn-icon {
  display: inline;
  margin-right: 5px;
  font-size: 0.95em;
  vertical-align: middle;
  line-height: 1;
}

/* Buttons */
.btn {
  font: inherit;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.2s, transform 0.1s;
  display: inline-flex;
  align-items: center;
}

.btn:active {
  transform: scale(0.98);
}

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

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--bg-input);
  color: var(--text);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.85rem;
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.15);
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.modal-box {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.modal-box.liste-mode .field[data-field="lokasyon"] {
  display: none;
}

.modal-box.envanter-mode .field[data-field="kutu"] {
  display: none;
}


.modal-title {
  margin: 0 0 20px 0;
  font-size: 1.2rem;
  font-weight: 600;
}

.form .field {
  margin-bottom: 16px;
}

.form .field-input-wrap {
  position: relative;
  display: block;
}

.form .field-input-wrap input {
  width: 100%;
  padding-right: 32px;
}

.form .field.has-error .field-input-wrap input {
  padding-right: 36px;
}

.form .field-error {
  display: none;
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--danger);
  font-size: 1.1rem;
  font-weight: bold;
  cursor: help;
  pointer-events: auto;
}

.form .field.has-error .field-error {
  display: inline;
}

.form label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.form input[type="text"],
.form input[type="number"] {
  width: 100%;
  padding: 10px 14px;
  font: inherit;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
}

/* Number input spinners kapat (Adet) */
.form input[type="number"]::-webkit-outer-spin-button,
.form input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.form input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

.form input:focus {
  outline: none;
  border-color: var(--accent);
}

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

/* Empty state */
.empty-msg {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Loading */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

@media (max-width: 600px) {
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .search-wrap {
    min-width: 0;
  }
  .data-table th:nth-child(1),
  .data-table td:nth-child(1) {
    display: none;
  }
}