/* Vulcan Stock Tracker — Dark Theme with Neon Green Accents */

:root {
  --bg-base:      #0d0d0d;
  --bg-surface:   #161616;
  --bg-raised:    #1e1e1e;
  --bg-elevated:  #252525;
  --bg-hover:     #2c2c2c;
  --border:       #2e2e2e;
  --border-light: #3a3a3a;

  --neon:         #6cc546;
  --neon-dim:     #4e9030;
  --neon-glow:    rgba(108, 197, 70, 0.18);
  --neon-glow-lg: rgba(108, 197, 70, 0.30);

  --text-primary:   #e8e8e8;
  --text-secondary: #888;
  --text-muted:     #555;

  --danger:  #e05252;
  --warning: #f0a030;
  --success: #6cc546;
  --info:    #3ab0ff;

  --sidebar-w: 210px;
  --topbar-h:  60px;
  --radius:    6px;
}

/* ── Reset / Base ──────────────────────────────────────────── */

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

html, body {
  height: 100%;
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  background: var(--bg-base);
  color: var(--text-primary);
}

a { color: var(--neon); text-decoration: none; }
a:hover { color: var(--neon-dim); }

/* ── Scrollbar ─────────────────────────────────────────────── */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--neon-dim); }

/* ── Login Page ────────────────────────────────────────────── */

.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(57,255,20,0.06) 0%, transparent 55%),
    var(--bg-base);
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2.5rem 2rem;
}

.login-logo {
  text-align: center;
  margin-bottom: 1.5rem;
}
.login-logo-icon {
  font-size: 2.5rem;
  color: var(--neon);
  text-shadow: 0 0 20px var(--neon-glow-lg);
}
.login-logo h1 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0.25rem 0 0;
}
.login-logo p {
  color: var(--text-secondary);
  font-size: 0.82rem;
  margin: 0;
}

/* ── App Layout ────────────────────────────────────────────── */

.app-wrapper {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ── Top Bar ───────────────────────────────────────────────── */

.topbar {
  height: var(--topbar-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 1.25rem;
  gap: 1rem;
  flex-shrink: 0;
  z-index: 100;
}

.topbar-brand {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--neon);
  text-shadow: 0 0 12px var(--neon-glow);
  white-space: nowrap;
  margin-right: 0.5rem;
}

.office-tabs {
  display: flex;
  gap: 0.5rem;
}

.office-tab {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.office-tab:hover {
  border-color: var(--neon-dim);
  color: var(--text-primary);
}
.office-tab.active {
  background: var(--neon-glow);
  border-color: var(--neon);
  color: var(--neon);
  font-weight: 600;
  box-shadow: 0 0 10px var(--neon-glow);
}

.topbar-spacer { flex: 1; }

.btn-logout {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-logout:hover {
  border-color: var(--danger);
  color: var(--danger);
}

/* ── Body Row (Sidebar + Content) ──────────────────────────── */

.body-row {
  display: flex;
  flex: 1;
  min-height: 0;   /* allow flex children to shrink below content height */
  overflow: hidden;
}

/* ── Sidebar ───────────────────────────────────────────────── */

.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 0.75rem 0;
  flex-shrink: 0;
  min-height: 0;
  overflow-y: auto;
}

.sidebar-label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0.5rem 1rem 0.3rem;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 1rem;
  color: var(--text-secondary);
  font-size: 0.88rem;
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: all 0.12s ease;
  user-select: none;
}
.sidebar-link i { font-size: 1rem; flex-shrink: 0; }
.sidebar-link:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-left-color: var(--border-light);
}
.sidebar-link.active {
  background: var(--neon-glow);
  color: var(--neon);
  border-left-color: var(--neon);
  font-weight: 600;
}

/* ── Main Content ──────────────────────────────────────────── */

#content {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 1.5rem;
  background: var(--bg-base);
  transition: opacity 0.15s ease;
}

/* Applied only while the spinner is showing; removed by JS once content loads */
#content.content-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.section-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.section-title i { color: var(--neon); }

/* ── Cards / Panels ────────────────────────────────────────── */

.card-dark {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.card-dark-raised {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* ── Buttons ───────────────────────────────────────────────── */

.btn-neon {
  background: var(--neon);
  border: 1px solid var(--neon);
  color: #000;
  font-weight: 600;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.82rem;
  transition: all 0.15s;
  white-space: nowrap;
}
.btn-neon:hover {
  background: var(--neon-dim);
  border-color: var(--neon-dim);
  box-shadow: 0 0 12px var(--neon-glow-lg);
}
.btn-neon:disabled, .btn-neon.disabled {
  background: #2a2a2a;
  border-color: #333;
  color: var(--text-muted);
  cursor: not-allowed;
  box-shadow: none;
}

.btn-outline-subtle {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.12s;
}
.btn-outline-subtle:hover {
  border-color: var(--neon-dim);
  color: var(--neon);
}

.btn-danger-subtle {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.12s;
}
.btn-danger-subtle:hover {
  border-color: var(--danger);
  color: var(--danger);
}

/* ── Forms ─────────────────────────────────────────────────── */

.form-control-dark, .form-select-dark {
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  border-radius: var(--radius);
  padding: 0.4rem 0.7rem;
  font-size: 0.85rem;
  width: 100%;
  transition: border-color 0.15s;
}
.form-control-dark:focus, .form-select-dark:focus {
  outline: none;
  border-color: var(--neon);
  box-shadow: 0 0 0 2px var(--neon-glow);
}
.form-control-dark::placeholder { color: var(--text-muted); }
#adjAmount::-webkit-inner-spin-button,
#adjAmount::-webkit-outer-spin-button,
#xfrAmount::-webkit-inner-spin-button,
#xfrAmount::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
#adjAmount, #xfrAmount { -moz-appearance: textfield; text-align: center; }

.form-label-dark {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
  display: block;
}

/* ── Tables ────────────────────────────────────────────────── */

.table-dark-custom {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.table-dark-custom th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border);
}
.table-dark-custom td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}
.table-dark-custom tr:last-child td { border-bottom: none; }
.table-dark-custom tr:hover td { background: var(--bg-raised); }

/* ── Product Cards (Main Menu) ─────────────────────────────── */

.product-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 0.75rem;
  transition: border-color 0.15s;
}
.product-row:hover { border-color: var(--border-light); }

.product-img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  border-radius: 4px;
  background: var(--bg-elevated);
  flex-shrink: 0;
}
.product-img-placeholder {
  width: 64px;
  height: 64px;
  background: var(--bg-elevated);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.3rem;
  flex-shrink: 0;
}

.product-info { flex: 1; min-width: 0; }
.product-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}
.bom-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-top: 0.4rem;
}
.bom-items {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.bom-qty { color: var(--neon); font-weight: 500; }

.product-action {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
}
.buildable-badge {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: right;
}
.buildable-count { font-weight: 600; color: var(--neon); }

/* ── Inventory Sidebar (Main Menu) ─────────────────────────── */

.inv-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  align-self: flex-start;
  position: sticky;
  top: 0;
  max-height: calc(100vh - var(--topbar-h) - 3rem);
  overflow-y: auto;
}

.inv-sidebar-title {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.inv-part-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border);
}
.inv-part-row:last-child { border-bottom: none; }

.inv-part-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  background: var(--bg-elevated);
  border-radius: 3px;
  flex-shrink: 0;
}
.inv-part-img-placeholder {
  width: 28px;
  height: 28px;
  background: var(--bg-elevated);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.7rem;
  flex-shrink: 0;
}

.inv-part-name {
  flex: 1;
  font-size: 0.8rem;
  color: var(--text-secondary);
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.inv-part-qty {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  flex-shrink: 0;
}
.inv-part-qty.low { color: var(--danger); }

/* ── Main Menu layout ──────────────────────────────────────── */

.main-menu-layout {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}
.product-list { flex: 1; min-width: 0; }

/* ── Modals ────────────────────────────────────────────────── */

.modal-content-dark {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  color: var(--text-primary);
}
.modal-header-dark {
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem;
}
.modal-header-dark .modal-title {
  font-size: 0.95rem;
  font-weight: 600;
}
.modal-body-dark {
  padding: 1.25rem;
}
.modal-footer-dark {
  border-top: 1px solid var(--border);
  padding: 0.75rem 1.25rem;
}

/* ── Toggle Switch ─────────────────────────────────────────── */

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 22px;
  flex-shrink: 0;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: 22px;
  cursor: pointer;
  transition: 0.2s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  background: var(--text-muted);
  border-radius: 50%;
  left: 2px;
  top: 2px;
  transition: 0.2s;
}
input:checked + .toggle-slider {
  background: var(--neon-glow);
  border-color: var(--neon);
}
input:checked + .toggle-slider::before {
  background: var(--neon);
  transform: translateX(20px);
  box-shadow: 0 0 6px var(--neon-glow-lg);
}

/* ── Threshold Slider ──────────────────────────────────────── */

.range-neon {
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--bg-elevated);
  outline: none;
  width: 100%;
  cursor: pointer;
}
.range-neon::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--neon);
  cursor: pointer;
  box-shadow: 0 0 8px var(--neon-glow);
}
.range-neon::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--neon);
  cursor: pointer;
  border: none;
}

/* ── Chart Container ───────────────────────────────────────── */

.chart-container {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1.25rem;
  position: relative;
  height: 360px;
}

/* ── Change Type Badges ────────────────────────────────────── */

.badge-change {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-add         { background: rgba(57,255,20,0.15); color: var(--neon); }
.badge-subtract    { background: rgba(224,82,82,0.15); color: var(--danger); }
.badge-transfer    { background: rgba(58,176,255,0.15); color: var(--info); }
.badge-order_log   { background: rgba(240,160,48,0.15); color: var(--warning); }
.badge-order_strike{ background: rgba(136,136,136,0.15); color: var(--text-secondary); }

/* ── Flash / Toast ─────────────────────────────────────────── */

.toast-stack {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 280px;
  max-width: 380px;
}

.toast-item {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid transparent;
  animation: slideIn 0.2s ease;
}
@keyframes slideIn {
  from { transform: translateX(30px); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

.toast-success {
  background: rgba(57,255,20,0.12);
  border-color: var(--neon);
  color: var(--neon);
}
.toast-danger {
  background: rgba(224,82,82,0.12);
  border-color: var(--danger);
  color: var(--danger);
}
.toast-warning {
  background: rgba(240,160,48,0.12);
  border-color: var(--warning);
  color: var(--warning);
}
.toast-info {
  background: rgba(58,176,255,0.12);
  border-color: var(--info);
  color: var(--info);
}

/* ── Settings Contact Cards ────────────────────────────────── */

.contact-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.contact-card-info { flex: 1; min-width: 0; }
.contact-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}
.contact-detail {
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

/* ── Utility ───────────────────────────────────────────────── */

.text-neon  { color: var(--neon) !important; }
.text-muted-dark { color: var(--text-muted) !important; }
.text-secondary-dark { color: var(--text-secondary) !important; }

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1rem 0;
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}
.empty-state i { font-size: 2rem; display: block; margin-bottom: 0.5rem; }

/* ── Content Column + Page Sub-Header ─────────────────────── */

.content-col {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

#page-subheader {
  padding: 0.55rem 1.5rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
#page-subheader .ph-office { color: var(--neon); }
#page-subheader .ph-sep    { color: var(--text-muted); font-weight: 400; }
#page-subheader .ph-section { color: var(--text-secondary); }

/* ── Mobile ────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .sidebar { width: 48px; }
  .sidebar-link span { display: none; }
  .sidebar-label { display: none; }
  .inv-sidebar { display: none; }
  .main-menu-layout { flex-direction: column; }
  .topbar-brand { display: none; }
}