/* Fabrication Cost Calculator - Industrial Dark Theme */

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #1c2333;
  --bg-elevated: #242d3d;
  --border: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent-blue: #388bfd;
  --accent-green: #3fb950;
  --accent-orange: #f0883e;
  --accent-gray: #8b949e;
  --accent-purple: #a371f7;
  --door: #388bfd;
  --window: #3fb950;
  --frame: #f0883e;
  --pipe: #8b949e;
  --settings: #6e7681;
  --danger: #f85149;
  --success: #3fb950;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --transition: 0.25s ease;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --sticky-h: 64px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  padding-bottom: calc(var(--sticky-h) + 16px);
}

body.auth-mode {
  padding-bottom: 16px;
}

body.auth-mode .sticky-summary { display: none !important; }

/* Header */
.app-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.brand-icon {
  font-size: 1.75rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-orange));
  border-radius: var(--radius-sm);
}

.brand h1 { font-size: 1.15rem; font-weight: 700; letter-spacing: -0.02em; }

.subtitle { font-size: 0.75rem; color: var(--text-secondary); }

.header-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }

@media (max-width: 768px) {
  .header-inner { flex-wrap: wrap; }
  .header-actions .btn-sm { padding: 5px 8px; font-size: 0.72rem; }
}

/* Main */
.app-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.screen { display: none; animation: fadeIn var(--transition); }
.screen.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.screen-header { margin-bottom: 24px; }
.screen-header h2 { font-size: 1.5rem; margin-bottom: 4px; }
.screen-desc { color: var(--text-secondary); font-size: 0.9rem; }

/* Module Grid */
.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 14px;
}

.module-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  text-align: center;
  color: inherit;
  font-family: inherit;
}

.module-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.module-card.module-door { border-top: 3px solid var(--door); }
.module-card.module-window { border-top: 3px solid var(--window); }
.module-card.module-frame { border-top: 3px solid var(--frame); }
.module-card.module-pipe { border-top: 3px solid var(--pipe); }
.module-card.module-mgmt { border-top: 3px solid var(--accent-purple); }
.module-card.module-settings { border-top: 3px solid var(--settings); }

/* Header user */
.header-user {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-align: right;
  line-height: 1.3;
  max-width: 140px;
  display: none;
}

.header-user.visible { display: block; }
.header-user .user-name { color: var(--text-primary); font-weight: 600; }

/* Auth screens */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 120px);
  padding: 24px 16px;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  animation: fadeIn var(--transition);
}

.auth-logo {
  font-size: 2.5rem;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-orange));
  border-radius: var(--radius);
}

.auth-title {
  text-align: center;
  font-size: 1.35rem;
  margin-bottom: 4px;
}

.auth-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.auth-form { display: flex; flex-direction: column; gap: 14px; }

.auth-link-row {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 14px;
}

.auth-link {
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: 500;
}

.auth-link:hover { text-decoration: underline; }

.phone-input-group {
  display: flex;
  gap: 8px;
}

.country-code-select {
  flex: 0 0 88px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 10px 8px;
  font-size: 0.9rem;
  font-family: inherit;
}

.phone-input-group input { flex: 1; }

.password-input-group {
  display: flex;
  gap: 4px;
  align-items: stretch;
}

.password-input-group input { flex: 1; }

.password-strength { margin-top: 6px; }

.password-strength-bar {
  height: 4px;
  background: var(--bg-elevated);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 4px;
}

.password-strength-bar::after {
  content: '';
  display: block;
  height: 100%;
  width: 0;
  border-radius: 2px;
  transition: width var(--transition), background var(--transition);
}

.password-strength-bar.weak::after { width: 33%; background: var(--danger); }
.password-strength-bar.fair::after { width: 66%; background: var(--accent-orange); }
.password-strength-bar.good::after { width: 100%; background: var(--accent-green); }

.password-strength-label { font-size: 0.72rem; color: var(--text-muted); }

.btn-full { width: 100%; }

/* CRUD */
.crud-toolbar { margin-bottom: 16px; }

.table-scroll-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.crud-table { margin: 0; min-width: 500px; }

.crud-table .actions-cell {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  white-space: nowrap;
}

/* Tabs */
.tab-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}

.tab-btn {
  padding: 10px 18px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--transition);
}

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

.tab-btn.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
  animation: modalSlide 0.25s ease;
}

.modal-sm { max-width: 380px; }

@keyframes modalSlide {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 { font-size: 1rem; }

.modal-body { padding: 20px; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.modal-close { font-size: 1.25rem; line-height: 1; }

.module-icon { font-size: 1.75rem; }
.module-title { font-weight: 600; font-size: 0.9rem; }
.module-desc { font-size: 0.7rem; color: var(--text-muted); }

/* Calculator Toolbar */
.calc-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.calc-title {
  flex: 1;
  font-size: 1.25rem;
  min-width: 120px;
}

.calc-toolbar-actions { display: flex; gap: 8px; margin-left: auto; }

.back-btn { flex-shrink: 0; }

/* Calc Layout */
.calc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 900px) {
  .calc-layout { grid-template-columns: 1fr 340px; }
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.calc-breakdown {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 160px);
  overflow-y: auto;
}

.calc-breakdown h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

/* Cards & Forms */
.card-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.card-section-header {
  padding: 12px 16px;
  font-weight: 600;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-section-header.blue { background: rgba(56, 139, 253, 0.12); color: var(--door); }
.card-section-header.green { background: rgba(63, 185, 80, 0.12); color: var(--window); }
.card-section-header.orange { background: rgba(240, 136, 62, 0.12); color: var(--frame); }
.card-section-header.gray { background: rgba(139, 148, 158, 0.12); color: var(--pipe); }

.card-section-body { padding: 16px; }

.form-row {
  display: grid;
  gap: 12px;
  margin-bottom: 12px;
}

.form-row:last-child { margin-bottom: 0; }

.form-row-2 { grid-template-columns: 1fr 1fr; }
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }

@media (max-width: 600px) {
  .form-row-2, .form-row-3 { grid-template-columns: 1fr; }
}

.form-group { display: flex; flex-direction: column; gap: 4px; }

.form-group label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 10px 12px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition);
}

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

.form-group input:disabled { opacity: 0.5; cursor: not-allowed; }

.field-hint { font-size: 0.72rem; color: var(--text-muted); margin-top: 2px; }

/* Unit Toggle */
.unit-toggle {
  display: flex;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  padding: 3px;
  border: 1px solid var(--border);
}

.unit-btn {
  flex: 1;
  padding: 8px 12px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-family: inherit;
  cursor: pointer;
  border-radius: 4px;
  transition: all var(--transition);
}

.unit-btn.active {
  background: var(--accent-blue);
  color: #fff;
  font-weight: 600;
}

/* Addon Rows */
.addon-row {
  display: grid;
  grid-template-columns: auto 1fr 80px 100px;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.addon-row:last-child { border-bottom: none; }

.addon-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-blue);
}

.addon-label { font-size: 0.85rem; }

/* Additional Charges */
.charge-row {
  display: grid;
  grid-template-columns: 1fr 70px 90px auto;
  gap: 8px;
  align-items: end;
  margin-bottom: 8px;
}

.charge-row input { padding: 8px 10px; font-size: 0.85rem; }

/* Breakdown */
.breakdown-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }

.breakdown-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  padding: 4px 0;
  gap: 12px;
}

.breakdown-item .label { color: var(--text-secondary); }
.breakdown-item .value { font-weight: 500; text-align: right; white-space: nowrap; }

.breakdown-item.sub { padding-left: 12px; font-size: 0.78rem; }

.breakdown-item.total {
  border-top: 1px solid var(--border);
  padding-top: 10px;
  margin-top: 6px;
  font-size: 1rem;
  font-weight: 700;
}

.breakdown-item.grand {
  font-size: 1.15rem;
  color: var(--accent-green);
  border-top: 2px solid var(--accent-green);
  padding-top: 12px;
}

.breakdown-totals { border-top: 1px solid var(--border); padding-top: 12px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
}

.btn-sm { padding: 6px 12px; font-size: 0.8rem; }

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

.btn-primary:hover { filter: brightness(1.1); }

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border);
}

.btn-secondary:hover { border-color: var(--accent-blue); }

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

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

.btn-danger {
  background: rgba(248, 81, 73, 0.15);
  color: var(--danger);
  border-color: var(--danger);
}

.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text-primary);
  width: 100%;
}

.btn-outline:hover { border-color: var(--accent-blue); }

.btn-icon {
  padding: 6px 10px;
  min-width: 36px;
}

/* Settings */
.settings-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.setting-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.setting-block h3 {
  font-size: 0.95rem;
  margin-bottom: 12px;
  color: var(--accent-blue);
}

.setting-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 10px;
  align-items: end;
}

.setting-row.full { grid-template-columns: 1fr; }

.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.toggle-row input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--accent-blue);
}

/* Quotes */
.quotes-toolbar {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.search-input, .filter-select {
  flex: 1;
  min-width: 200px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 10px 14px;
  font-family: inherit;
}

.quote-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  display: grid;
  gap: 8px;
}

.quote-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
}

.quote-card-title { font-weight: 600; font-size: 1rem; }
.quote-card-meta { font-size: 0.8rem; color: var(--text-secondary); }
.quote-card-amount { font-size: 1.1rem; font-weight: 700; color: var(--accent-green); }

.quote-card-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.quote-editor {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 16px;
}

.quote-editor.hidden { display: none; }

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

/* Reports */
.reports-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.filter-chip {
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--transition);
}

.filter-chip.active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #fff;
}

.reports-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.stat-card .stat-label { font-size: 0.75rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.04em; }
.stat-card .stat-value { font-size: 1.4rem; font-weight: 700; margin-top: 4px; }
.stat-card .stat-value.green { color: var(--accent-green); }
.stat-card .stat-value.blue { color: var(--accent-blue); }
.stat-card .stat-value.orange { color: var(--accent-orange); }

.reports-material {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 24px;
}

.reports-material h3 { margin-bottom: 12px; font-size: 0.95rem; }

.material-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}

.material-row:last-child { border-bottom: none; }

.reports-table-wrap h3 { margin-bottom: 12px; font-size: 0.95rem; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  background: var(--bg-card);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
}

.data-table tr:hover td { background: rgba(56, 139, 253, 0.05); }

/* Sticky Summary */
.sticky-summary {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  z-index: 90;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.sticky-summary-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: var(--sticky-h);
}

.sticky-info { display: flex; flex-direction: column; }
.sticky-label { font-size: 0.75rem; color: var(--text-secondary); }
.sticky-total { font-size: 1.35rem; font-weight: 700; color: var(--accent-green); }
.sticky-module { font-size: 0.8rem; color: var(--text-muted); }

/* Toast */
.toast {
  position: fixed;
  bottom: calc(var(--sticky-h) + 16px);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
  z-index: 200;
  max-width: 90%;
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

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

.hidden { display: none !important; }

/* Print */
.print-area { display: none; }

@media print {
  body {
    background: #fff;
    color: #000;
    padding: 0;
  }

  .no-print,
  .sticky-summary,
  .app-header,
  .toast { display: none !important; }

  .app-main { max-width: 100%; padding: 0; }
  .screen { display: none !important; }
  .print-area { display: block !important; }

  .print-doc {
    padding: 20px;
    font-size: 11pt;
    font-family: 'Segoe UI', sans-serif;
  }

  .print-header {
    border-bottom: 2px solid #333;
    padding-bottom: 12px;
    margin-bottom: 16px;
  }

  .print-header h1 { font-size: 18pt; }
  .print-meta { font-size: 9pt; color: #555; }

  .print-table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
  }

  .print-table th,
  .print-table td {
    border: 1px solid #ccc;
    padding: 6px 8px;
    text-align: left;
  }

  .print-table th { background: #eee; }

  .print-total-row { font-weight: bold; background: #f5f5f5; }
  .print-grand { font-size: 14pt; font-weight: bold; margin-top: 12px; }
}