/* Wood Shop Inventory - Clean High-Contrast Theme (Light Default with Dark Toggle) */

:root {
  /* Clean Light Theme (Default) */
  --bg-main: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --bg-input: #ffffff;
  --border-color: #cbd5e1;
  --border-focus: #d97706;
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-sub: #64748b;
  
  --accent-wood: #b45309;
  --accent-wood-hover: #92400e;
  --accent-sheet: #0284c7;
  --accent-sheet-hover: #0369a1;
  --accent-money: #059669;
  
  --badge-solid-bg: #fef3c7;
  --badge-solid-text: #92400e;
  --badge-sheet-bg: #e0f2fe;
  --badge-sheet-text: #0369a1;
  --badge-offcut-bg: #f3e8ff;
  --badge-offcut-text: #7e22ce;
  --badge-depleted-bg: #f1f5f9;
  --badge-depleted-text: #64748b;
  
  --status-danger: #dc2626;
  --status-danger-bg: #fee2e2;
  --status-success: #059669;
  --status-success-bg: #d1fae5;

  --card-shadow: 0 2px 5px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --modal-backdrop: rgba(15, 23, 42, 0.6);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Dark Theme (Optional toggle) */
body.theme-dark {
  --bg-main: #0f141c;
  --bg-card: #18202c;
  --bg-card-hover: #222d3e;
  --bg-input: #121824;
  --border-color: #2e3c52;
  --border-focus: #f59e0b;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-sub: #64748b;
  
  --accent-wood: #e59846;
  --accent-wood-hover: #f5ab5d;
  --accent-sheet: #38bdf8;
  --accent-sheet-hover: #7dd3fc;
  --accent-money: #10b981;
  
  --badge-solid-bg: rgba(229, 152, 70, 0.18);
  --badge-solid-text: #f5ab5d;
  --badge-sheet-bg: rgba(56, 189, 248, 0.18);
  --badge-sheet-text: #7dd3fc;
  --badge-offcut-bg: rgba(168, 85, 247, 0.18);
  --badge-offcut-text: #c084fc;
  --badge-depleted-bg: rgba(148, 163, 184, 0.15);
  --badge-depleted-text: #94a3b8;
  
  --status-danger: #ef4444;
  --status-danger-bg: rgba(239, 68, 68, 0.18);
  --status-success: #10b981;
  --status-success-bg: rgba(16, 185, 129, 0.18);

  --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  --modal-backdrop: rgba(0, 0, 0, 0.75);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 60px;
  transition: background-color 0.2s, color 0.2s;
}

.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0 20px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 16px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  font-size: 2.2rem;
  background: var(--bg-card);
  padding: 8px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
}

.app-header h1 {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

/* Theme Toggle Button */
.btn-theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1rem;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--card-shadow);
}

.btn-theme-toggle:hover {
  background: var(--bg-card-hover);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease-in-out;
  min-height: 40px;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--accent-wood);
  color: #ffffff;
  border-color: var(--accent-wood);
  box-shadow: 0 2px 4px rgba(180, 83, 9, 0.25);
}

.btn-primary:hover {
  background-color: var(--accent-wood-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border-color);
  box-shadow: var(--card-shadow);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: #94a3b8;
}

.btn-sm {
  font-size: 0.84rem;
  padding: 6px 14px;
  min-height: 36px;
}

.btn-icon {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 12px;
  font-size: 1.1rem;
  border-radius: 8px;
  box-shadow: var(--card-shadow);
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
  margin: 20px 0;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px 18px;
  position: relative;
  box-shadow: var(--card-shadow);
}

#card-total-value {
  border-color: rgba(5, 150, 105, 0.4);
  background: linear-gradient(180deg, rgba(5, 150, 105, 0.06) 0%, var(--bg-card) 100%);
}

#card-total-value .stat-val {
  color: var(--accent-money);
}

.stat-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 700;
}

.stat-val {
  font-size: 1.8rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-main);
  margin: 4px 0;
}

.stat-val .unit {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 400;
}

.stat-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Tabs */
.category-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
  box-shadow: var(--card-shadow);
}

.tab-btn.active, .tab-btn:hover {
  background: var(--bg-card);
  color: var(--accent-wood);
  border-color: var(--accent-wood);
  font-weight: 700;
}

/* Controls / Search Bar */
.controls-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.search-input-wrapper {
  flex: 1;
  min-width: 260px;
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 12px;
  font-size: 0.9rem;
  color: var(--text-sub);
}

.search-input-wrapper input {
  width: 100%;
  padding: 10px 38px 10px 36px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 0.9rem;
  box-shadow: var(--card-shadow);
}

.search-input-wrapper input:focus {
  outline: none;
  border-color: var(--border-focus);
}

.clear-btn {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-sub);
  cursor: pointer;
  font-size: 0.9rem;
}

.filter-actions {
  display: flex;
  gap: 10px;
}

.select-filter {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.88rem;
  box-shadow: var(--card-shadow);
}

/* Inventory Grid & Cards */
.inventory-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}

.item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--card-shadow);
  transition: transform 0.15s, border-color 0.15s;
}

.item-card:hover {
  border-color: #94a3b8;
  transform: translateY(-2px);
}

.item-card.depleted {
  opacity: 0.75;
  border-style: dashed;
  background: var(--bg-main);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}

.card-title-group h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.card-subtype {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge-solid {
  background: var(--badge-solid-bg);
  color: var(--badge-solid-text);
}

.badge-sheet {
  background: var(--badge-sheet-bg);
  color: var(--badge-sheet-text);
}

.badge-offcut {
  background: var(--badge-offcut-bg);
  color: var(--badge-offcut-text);
}

.badge-low-stock {
  background: var(--status-danger-bg);
  color: var(--status-danger);
}

.badge-depleted {
  background: var(--badge-depleted-bg);
  color: var(--badge-depleted-text);
}

.dimensions-highlight {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 12px;
  margin: 10px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.dim-formula {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.dim-calc {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-wood);
}

.dim-calc.sheet {
  color: var(--accent-sheet);
}

/* Cost & Pricing Strip in Cards */
.cost-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(5, 150, 105, 0.08);
  border: 1px solid rgba(5, 150, 105, 0.25);
  border-radius: 6px;
  padding: 6px 10px;
  margin-bottom: 10px;
  font-size: 0.82rem;
}

.cost-rate {
  color: var(--accent-money);
  font-weight: 600;
}

.cost-total {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent-money);
}

.card-details {
  font-size: 0.83rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
}

.card-location {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--text-main);
}

.card-notes {
  font-style: italic;
  color: var(--text-sub);
  line-height: 1.3;
}

/* Stock Control Row & Big "Use 1" Button */
.stock-control-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
  gap: 8px;
}

.stock-control-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Prominent Use 1 Button */
.btn-use-one {
  background: var(--bg-main);
  border: 1.5px solid var(--accent-wood);
  color: var(--accent-wood);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 7px 12px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-use-one:hover:not(:disabled) {
  background: var(--accent-wood);
  color: #ffffff;
}

.btn-use-one:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  border-color: var(--border-color);
  color: var(--text-muted);
}

.stock-adjuster {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 3px 6px;
}

.btn-stepper {
  width: 32px;
  height: 32px;
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.1s;
}

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

.btn-stepper:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.stock-display {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  min-width: 36px;
  text-align: center;
}

.card-actions {
  display: flex;
  gap: 4px;
}

.btn-action-icon {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-sub);
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-action-icon:hover {
  background: var(--bg-main);
  color: var(--text-main);
  border-color: var(--border-color);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--modal-backdrop);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  width: 100%;
  max-width: 580px;
  max-height: 92vh;
  overflow-y: auto;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  padding: 24px;
}

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

.modal-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 0.92rem;
}

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

.input-with-prefix {
  display: flex;
  align-items: center;
  position: relative;
}

.input-prefix {
  position: absolute;
  left: 12px;
  color: var(--accent-money);
  font-weight: 700;
  font-size: 1rem;
}

.input-with-prefix input {
  padding-left: 28px;
}

.form-row {
  display: flex;
  gap: 10px;
}

.flex-1 { flex: 1; }
.flex-2 { flex: 2; }

/* Radio Pill Group */
.radio-pill-group {
  display: flex;
  gap: 8px;
}

.radio-pill {
  flex: 1;
  cursor: pointer;
}

.radio-pill input {
  display: none;
}

.radio-pill span {
  display: block;
  text-align: center;
  padding: 10px;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all 0.15s;
}

.radio-pill input:checked + span {
  background: var(--badge-solid-bg);
  color: var(--accent-wood);
  border-color: var(--accent-wood);
}

.dimension-helper {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
  font-size: 0.8rem;
}

.helper-label {
  color: var(--text-sub);
}

.chip-btn {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.78rem;
  cursor: pointer;
}

.chip-btn:hover {
  background: var(--border-color);
  color: var(--text-main);
}

.calc-preview-banner {
  background: var(--bg-main);
  border: 1px dashed var(--accent-wood);
  border-radius: 8px;
  padding: 10px 14px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.calc-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.calc-title {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.calc-value {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-wood);
}

.calc-value.highlight-cost {
  color: var(--accent-money);
}

.checkbox-group {
  margin-bottom: 14px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-main);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* Empty / Loading States */
.empty-state, .loading-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-wood);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 12px;
}

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

/* Footer */
.app-footer {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  font-size: 0.8rem;
  color: var(--text-sub);
  text-align: center;
}

.footer-content p {
  margin-bottom: 6px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  margin: 0 4px;
}

.footer-links a:hover {
  color: var(--accent-wood);
}

/* Responsive adjustments */
@media (max-width: 600px) {
  .app-header {
    flex-direction: column;
    align-items: stretch;
  }
  .header-actions {
    justify-content: space-between;
  }
  .form-row {
    flex-direction: column;
    gap: 0;
  }
  .calc-preview-banner {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .stock-control-row {
    flex-wrap: wrap;
  }
  .btn-use-one {
    flex: 1;
    justify-content: center;
  }
}