/* Контора ОС — Design System */

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body { font-family: var(--mono); font-size: var(--fs-md); color: var(--text); background: var(--bg); line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: var(--blue2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* === CSS CUSTOM PROPERTIES — DARK (default) === */
html, html.dark {
  --bg: #0a0e14;
  --bg2: #10141a;
  --bg3: #181c22;
  --bg4: #1c2026;
  --bg5: #262a31;
  --border: #414752;
  --border2: #31353c;
  --text: #dfe2eb;
  --text2: #8b919d;
  --text3: #c0c7d4;
  --blue: #a2c9ff;
  --blue2: #58a6ff;
  --blue3: #1c3a5e;
  --amber: #ffba42;
  --amber2: #da9600;
  --green: #4ade80;
  --green2: #166534;
  --red: #ffb4ab;
  --red2: #93000a;
  --purple: #c084fc;
  --mono: 'JetBrains Mono', monospace;
  --head: 'Manrope', sans-serif;
  --fs-xs: 11px;
  --fs-sm: 12px;
  --fs-md: 13px;
  --fs-lg: 15px;
  --fs-xl: 18px;
  --fs-xxl: 24px;
}

/* === LIGHT MODE === */
html.light {
  --bg: #f5f6f8;
  --bg2: #ffffff;
  --bg3: #ebedf0;
  --bg4: #e2e4e8;
  --bg5: #d5d8dc;
  --border: #c0c4cc;
  --border2: #d8dbe0;
  --text: #1a1d24;
  --text2: #6b7280;
  --text3: #374151;
  --blue: #1d4ed8;
  --blue2: #2563eb;
  --blue3: #dbeafe;
  --amber: #d97706;
  --amber2: #b45309;
  --green: #16a34a;
  --green2: #bbf7d0;
  --red: #dc2626;
  --red2: #fecaca;
  --purple: #7c3aed;
}

/* === APP LAYOUT === */
.app-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* === SIDEBAR === */
.sidebar {
  width: 220px;
  min-width: 220px;
  background: var(--bg3);
  border-right: 1px solid var(--border2);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 16px;
  border-bottom: 1px solid var(--border2);
}

.sidebar-header .logo {
  font-family: var(--head);
  font-size: var(--fs-lg);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
}

.sidebar-header .logo-sub {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  color: var(--text2);
  margin-top: 2px;
}

.sidebar-section {
  padding: 12px 0 4px 0;
}

.sidebar-section-label {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0 16px 6px 16px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  font-family: var(--mono);
  font-size: var(--fs-sm);
  color: var(--text2);
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: all 0.15s;
}

.sidebar-item:hover {
  color: var(--text);
  background: var(--bg4);
}

.sidebar-item.active {
  color: var(--blue2);
  background: var(--bg4);
  border-left-color: var(--blue2);
}

/* === TOPBAR === */
.topbar {
  height: 52px;
  min-height: 52px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

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

.topbar-logo {
  font-family: var(--head);
  font-size: var(--fs-lg);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
}

.topbar-page {
  font-family: var(--mono);
  font-size: var(--fs-sm);
  color: var(--text2);
}

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

/* === MAIN CONTENT === */
.main-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

/* === PAGE HEADER === */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.page-header h1 {
  font-family: var(--head);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--text);
}

.page-header-actions {
  display: flex;
  gap: 8px;
}

/* === DATA TABLE === */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: var(--fs-sm);
}

.data-table thead {
  background: var(--bg3);
}

.data-table th {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border2);
  text-align: left;
  font-weight: 500;
  font-size: var(--fs-xs);
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.data-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border2);
  text-align: left;
  color: var(--text3);
}

.data-table tr:hover td {
  background: var(--bg3);
}

.data-table tr.clickable {
  cursor: pointer;
}

/* === BUTTONS === */
.btn {
  font-family: var(--mono);
  font-size: var(--fs-sm);
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
  background: transparent;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.btn:hover {
  background: var(--bg4);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--blue2);
  color: #fff;
  border-color: var(--blue2);
}

.btn-primary:hover {
  opacity: 0.9;
  background: var(--blue2);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: var(--bg4);
}

.btn-danger {
  background: transparent;
  color: var(--red);
  border-color: var(--red);
}

.btn-danger:hover {
  background: var(--red2);
}

.btn-sm {
  padding: 3px 10px;
  font-size: var(--fs-xs);
}

/* === FORMS === */
.form-group {
  margin-bottom: 12px;
}

.form-label {
  display: block;
  font-family: var(--mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  color: var(--text2);
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.form-input,
.form-select,
.form-textarea {
  font-family: var(--mono);
  font-size: var(--fs-sm);
  background: var(--bg2);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: 8px;
  width: 100%;
  border-radius: 4px;
  transition: border-color 0.15s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--blue2);
  outline: none;
}

.form-select {
  appearance: auto;
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

/* === BADGES === */
.badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-draft {
  background: var(--bg5);
  color: var(--text2);
}

.badge-active {
  background: var(--green2);
  color: var(--green);
}

.badge-blocked {
  background: var(--red2);
  color: var(--red);
}

.badge-filling {
  background: var(--amber2);
  color: var(--amber);
}

.badge-review {
  background: var(--blue3);
  color: var(--blue2);
}

.badge-limited {
  background: var(--amber2);
  color: var(--amber);
  opacity: 0.8;
}

.badge-clickable {
  cursor: pointer;
  user-select: none;
  transition: opacity 0.15s;
}

.badge-clickable:hover {
  opacity: 0.8;
}

/* === STAT CARDS === */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}

.stat-card {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 6px;
  padding: 16px;
  text-align: center;
}

.stat-value {
  font-family: var(--mono);
  font-size: var(--fs-xxl);
  font-weight: 700;
  color: var(--blue);
}

.stat-label {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  color: var(--text2);
  letter-spacing: 1px;
  margin-top: 4px;
}

/* === TABS === */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border2);
  margin-bottom: 16px;
}

.tab {
  padding: 8px 16px;
  font-family: var(--mono);
  font-size: var(--fs-sm);
  color: var(--text2);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}

.tab:hover {
  color: var(--text);
}

.tab.active {
  color: var(--blue2);
  border-bottom-color: var(--blue2);
}

/* === MODAL === */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  max-width: 500px;
  width: 90%;
  padding: 24px;
}

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

.modal-header h2 {
  font-family: var(--head);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--text);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text2);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

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

/* === PAGINATION === */
.pagination {
  display: flex;
  gap: 8px;
  align-items: center;
  font-family: var(--mono);
  font-size: var(--fs-sm);
  color: var(--text2);
  margin-top: 16px;
}

/* === FILTER BAR === */
.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  align-items: center;
}

.filter-bar .form-input,
.filter-bar .form-select {
  width: auto;
  min-width: 140px;
}

/* === EMPTY STATE === */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text2);
  font-family: var(--mono);
  font-size: var(--fs-sm);
}

/* === LOADING === */
.loading {
  text-align: center;
  padding: 40px 20px;
  font-family: var(--mono);
  font-size: var(--fs-sm);
  color: var(--text2);
}

/* === TOAST === */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 20px;
  font-family: var(--mono);
  font-size: var(--fs-sm);
  color: var(--text);
  z-index: 1001;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: opacity 0.3s;
}

.toast-success {
  border-color: var(--green);
}

.toast-error {
  border-color: var(--red);
}

/* === SCROLLBAR === */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border2);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border);
}

/* ============================================= */
/* === SKU CARD LAYOUT (Increment 1)          === */
/* ============================================= */

/* --- SKU Header --- */
.sku-header {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border2);
}

.sku-header-top {
  margin-bottom: 8px;
}

.sku-back-link {
  font-family: var(--mono);
  font-size: var(--fs-sm);
  color: var(--blue2);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: opacity 0.15s;
}

.sku-back-link:hover {
  opacity: 0.8;
  text-decoration: none;
}

.sku-header-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

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

.sku-header-title {
  font-family: var(--head);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.3;
  word-break: break-word;
}

.sku-header-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.sku-header-code {
  font-family: var(--mono);
  font-size: var(--fs-sm);
  color: var(--text2);
  background: var(--bg3);
  padding: 2px 8px;
  border-radius: 3px;
  border: 1px solid var(--border2);
}

.sku-header-sep {
  color: var(--text2);
  font-size: var(--fs-sm);
}

.sku-header-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-shrink: 0;
}

/* --- Status Dropdown --- */
.sku-status-wrapper {
  position: relative;
  display: inline-block;
}

.sku-status-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 100;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 0;
  min-width: 180px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.sku-status-option {
  padding: 6px 12px;
  cursor: pointer;
  transition: background 0.1s;
  display: flex;
  align-items: center;
}

.sku-status-option:hover {
  background: var(--bg4);
}

.sku-status-option.active {
  background: var(--bg3);
}

/* --- Completeness Bar --- */
.completeness-bar-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.completeness-bar {
  width: 80px;
  height: 6px;
  background: var(--bg5);
  border-radius: 3px;
  overflow: hidden;
}

.completeness-bar-fill {
  height: 100%;
  background: var(--blue2);
  border-radius: 3px;
  transition: width 0.3s ease;
  min-width: 0;
}

.completeness-label {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  color: var(--text2);
  white-space: nowrap;
}

/* --- Two-Column Layout --- */
.sku-two-col {
  display: flex;
  gap: 24px;
}

.sku-left {
  flex: 3;
  min-width: 0;
}

.sku-right {
  flex: 2;
  min-width: 280px;
}

@media (max-width: 900px) {
  .sku-two-col {
    flex-direction: column;
  }
  .sku-right {
    min-width: 0;
  }
}

/* --- Collapsible Sections --- */
.sku-section {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 6px;
  margin-bottom: 12px;
  overflow: hidden;
}

.sku-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  font-family: var(--head);
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  user-select: none;
  transition: background 0.1s;
}

.sku-section-title:hover {
  background: var(--bg3);
}

.sku-section-arrow {
  font-size: 10px;
  color: var(--text2);
  width: 14px;
  text-align: center;
  flex-shrink: 0;
  transition: transform 0.15s;
}

.sku-section-body {
  padding: 4px 16px 16px 16px;
  border-top: 1px solid var(--border2);
}

/* --- Placeholder Boxes --- */
.sku-placeholder {
  background: var(--bg3);
  border: 2px dashed var(--border2);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text2);
}

.sku-placeholder-icon {
  font-size: 32px;
  opacity: 0.4;
}

.sku-placeholder-text {
  font-family: var(--head);
  font-size: var(--fs-md);
  font-weight: 600;
}

.sku-placeholder-hint {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  opacity: 0.6;
}