/* ============================================================
   BOLT MANUFACTURING ERP - MAIN STYLESHEET
   ============================================================ */

:root {
  --primary: #1565C0;
  --primary-dark: #0D47A1;
  --primary-light: #42A5F5;
  --accent: #FF6F00;
  --accent-light: #FFA000;
  --success: #2E7D32;
  --warning: #F57F17;
  --danger: #C62828;
  --info: #01579B;

  --bg: #F5F7FA;
  --bg-card: #FFFFFF;
  --bg-sidebar: #0D1B2A;
  --bg-header: #1565C0;
  --text: #1A1A2E;
  --text-muted: #607D8B;
  --text-light: #ECEFF1;
  --border: #DEE2E6;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --radius: 8px;
  --radius-lg: 16px;
  --sidebar-w: 260px;
  --header-h: 64px;
  --transition: 0.2s ease;
}

[data-theme="dark"] {
  --bg: #0D1117;
  --bg-card: #161B22;
  --bg-sidebar: #010409;
  --bg-header: #161B22;
  --text: #E6EDF3;
  --text-muted: #8B949E;
  --border: #30363D;
  --shadow: 0 2px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
}

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

html { font-size: 14px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== SIDEBAR ===== */
.sidebar {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: transform var(--transition);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo .logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}

.sidebar-logo .logo-text { color: #fff; }
.sidebar-logo .logo-text h2 { font-size: 0.95rem; font-weight: 700; line-height: 1.2; }
.sidebar-logo .logo-text span { font-size: 0.7rem; color: rgba(255,255,255,0.5); }

.sidebar-nav { flex: 1; padding: 12px 0; }

.nav-section { padding: 8px 16px 4px; }
.nav-section-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.35);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  transition: all var(--transition);
  border-left: 3px solid transparent;
  cursor: pointer;
}

.nav-item:hover {
  background: rgba(255,255,255,0.06);
  color: #fff;
  border-left-color: rgba(255,255,255,0.3);
}

.nav-item.active {
  background: rgba(21, 101, 192, 0.25);
  color: #fff;
  border-left-color: var(--accent);
}

.nav-item .nav-icon { font-size: 1.1rem; width: 20px; text-align: center; flex-shrink: 0; }
.nav-item .nav-badge {
  margin-left: auto;
  background: var(--accent);
  color: #fff;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 10px;
  font-weight: 600;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: var(--sidebar-w);
  right: 0;
  height: var(--header-h);
  background: var(--bg-header);
  display: flex;
  align-items: center;
  padding: 0 24px;
  z-index: 900;
  gap: 16px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.1);
}

.header-title {
  flex: 1;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
}

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

.btn-icon {
  width: 36px; height: 36px;
  border: none;
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-radius: 8px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: background var(--transition);
}

.btn-icon:hover { background: rgba(255,255,255,0.2); }

.user-avatar {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
}

/* ===== MAIN CONTENT ===== */
.main-content {
  margin-left: var(--sidebar-w);
  margin-top: var(--header-h);
  padding: 24px;
  min-height: calc(100vh - var(--header-h));
}

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body { padding: 20px; }

/* ===== STAT CARDS ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.stat-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.stat-icon.blue { background: #E3F2FD; color: var(--primary); }
.stat-icon.green { background: #E8F5E9; color: var(--success); }
.stat-icon.orange { background: #FFF3E0; color: var(--accent); }
.stat-icon.red { background: #FFEBEE; color: var(--danger); }
.stat-icon.purple { background: #F3E5F5; color: #7B1FA2; }
.stat-icon.teal { background: #E0F2F1; color: #00695C; }

[data-theme="dark"] .stat-icon.blue { background: rgba(33,150,243,0.15); }
[data-theme="dark"] .stat-icon.green { background: rgba(76,175,80,0.15); }
[data-theme="dark"] .stat-icon.orange { background: rgba(255,152,0,0.15); }
[data-theme="dark"] .stat-icon.red { background: rgba(244,67,54,0.15); }
[data-theme="dark"] .stat-icon.purple { background: rgba(156,39,176,0.15); }
[data-theme="dark"] .stat-icon.teal { background: rgba(0,150,136,0.15); }

.stat-info .stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-info .stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-sm { padding: 5px 10px; font-size: 0.75rem; }
.btn-lg { padding: 10px 20px; font-size: 0.9rem; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: #E65100; }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-info { background: var(--info); color: #fff; }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { background: var(--bg); }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { background: var(--bg); color: var(--text); }

/* ===== FORM ELEMENTS ===== */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  background: var(--bg);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(21,101,192,0.1);
}

.form-control::placeholder { color: var(--text-muted); opacity: 0.7; }

select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

.form-grid {
  display: grid;
  gap: 16px;
}

.form-grid-2 { grid-template-columns: repeat(2, 1fr); }
.form-grid-3 { grid-template-columns: repeat(3, 1fr); }
.form-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ===== TABLE ===== */
.table-wrapper { overflow-x: auto; }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.table th {
  background: var(--bg);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1.5px solid var(--border);
  white-space: nowrap;
}

.table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}

.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: rgba(21,101,192,0.04); }

[data-theme="dark"] .table tbody tr:hover { background: rgba(255,255,255,0.04); }

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-primary { background: #E3F2FD; color: var(--primary); }
.badge-success { background: #E8F5E9; color: var(--success); }
.badge-warning { background: #FFF8E1; color: #E65100; }
.badge-danger { background: #FFEBEE; color: var(--danger); }
.badge-info { background: #E0F7FA; color: #006064; }
.badge-secondary { background: var(--bg); color: var(--text-muted); border: 1px solid var(--border); }

[data-theme="dark"] .badge-primary { background: rgba(33,150,243,0.2); }
[data-theme="dark"] .badge-success { background: rgba(76,175,80,0.2); }
[data-theme="dark"] .badge-warning { background: rgba(255,152,0,0.2); }
[data-theme="dark"] .badge-danger { background: rgba(244,67,54,0.2); }

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.modal-overlay.active { opacity: 1; visibility: visible; }

.modal {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.96);
  transition: transform var(--transition);
}

.modal-overlay.active .modal { transform: scale(1); }

.modal-lg { max-width: 900px; }
.modal-xl { max-width: 1100px; }

.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title { font-size: 1rem; font-weight: 700; }
.modal-close {
  width: 32px; height: 32px;
  border: none;
  background: var(--bg);
  color: var(--text-muted);
  border-radius: 8px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition);
}
.modal-close:hover { background: var(--danger); color: #fff; }

.modal-body { padding: 20px 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ===== SEARCH & FILTERS ===== */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 360px;
}

.search-box input {
  padding-left: 36px;
  background: var(--bg-card);
}

.search-box .search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: center;
  padding: 12px 0;
}

.page-btn {
  width: 32px; height: 32px;
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  border-radius: 6px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  transition: all var(--transition);
}

.page-btn:hover, .page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ===== ALERTS ===== */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.alert-success { background: #E8F5E9; color: var(--success); border: 1px solid #A5D6A7; }
.alert-danger { background: #FFEBEE; color: var(--danger); border: 1px solid #EF9A9A; }
.alert-warning { background: #FFF8E1; color: var(--warning); border: 1px solid #FFE082; }
.alert-info { background: #E3F2FD; color: var(--info); border: 1px solid #90CAF9; }

/* ===== LOADING ===== */
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 40px auto;
}

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

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  display: none;
}

.loading-overlay.active { display: flex; }

/* ===== PRINT SPECIFIC ===== */
@media print {
  .sidebar, .header, .no-print { display: none !important; }
  .main-content { margin: 0 !important; padding: 0 !important; }
  .card { box-shadow: none !important; border: 1px solid #ccc !important; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }
  .sidebar { transform: translateX(-260px); }
  .sidebar.mobile-open { transform: translateX(0); width: 260px; }
  .main-content { margin-left: 0; padding: 16px; }
  .header { left: 0; padding: 0 16px; }
  .form-grid-2, .form-grid-3, .form-grid-4 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
}

/* ===== UTILITIES ===== */
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mt-16 { margin-top: 16px; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.75rem; }
.fw-bold { font-weight: 700; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.w-100 { width: 100%; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Toast notifications */
.toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 9000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 12px 16px;
  box-shadow: var(--shadow-lg);
  border-left: 4px solid;
  font-size: 0.82rem;
  max-width: 320px;
  animation: slideIn 0.3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
}

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

@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes slideOut { to { transform: translateX(120%); opacity: 0; } }

/* Print / Invoice styles */
.print-header { text-align: center; margin-bottom: 20px; }
.print-header h1 { font-size: 1.4rem; font-weight: 800; color: var(--primary); }
.print-header p { font-size: 0.8rem; color: var(--text-muted); }
.invoice-table th { background: var(--primary) !important; color: #fff !important; }
.invoice-total td { font-weight: 700; background: var(--bg); }

/* Detail Table (used in modals/print) */
.detail-table { width: 100%; border-collapse: collapse; margin-bottom: 12px; }
.detail-table td { padding: 8px 12px; border: 1px solid var(--border-color); font-size: 0.9rem; }
.detail-table td:first-child, .detail-table td:nth-child(3) { background: var(--bg-secondary); font-weight: 600; width: 20%; }

/* Small form controls */
.form-control-sm { padding: 5px 10px; font-size: 0.85rem; min-height: 32px; }

/* Filter bar */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; align-items: center; }
.filter-group { display: flex; gap: 8px; align-items: center; }

/* Stat card compact */
.stat-card { background: var(--bg-secondary); border-radius: var(--radius); border: 1px solid var(--border-color); }

/* Page actions */
.page-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* Badge extra */
.badge-info { background: rgba(6,182,212,0.15); color: #06b6d4; border-color: rgba(6,182,212,0.3); }

/* Button sizes */
.btn-lg { padding: 12px 24px; font-size: 1rem; }