/* =======================================================
   Inventory App — Unified stylesheet (merged & cleaned)
   - Consolidated tokens
   - Sidebar + main layout
   - Cards, tables, buttons, forms, badges
   - Accessibility (contrast, dark-mode, print, reduced-motion)
   ======================================================= */

/* ---------- Design tokens (single :root) ---------- */
:root{
  /* Color tokens */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text-strong: #071124; /* near-black */
  --text-primary: #000000;
  --text-secondary: #333333;
  --text-muted: #4b5563;
  --muted-2: #9ca3af;
  --brand: #4f46e5;
  --brand-600: #4338ca;
  --accent: #1f4ed8;
  --card-border: #e6eef2;
  --table-head: #0f1724;
  --white: #ffffff;

  /* Sidebar */
  --sidebar: #0b1220;
  --sidebar-grad: linear-gradient(180deg,#111827 0%, #0b1220 100%);

  /* Extended palette (kept for compatibility) */
  --primary-50: #eef2ff; --primary-100: #e0e7ff; --primary-200: #c7d2fe;
  --success-600: #059669; --error-600: #dc2626; --warning-500: #f59e0b;

  /* Typography */
  --ff-sans: Inter, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --fs-xs: .75rem; --fs-sm: .875rem; --fs-md: 1rem; --fs-lg: 1.125rem; --fs-xl: 1.25rem;
  --fw-regular: 400; --fw-medium: 600; --fw-semibold: 700; --fw-bold: 800;

  /* Spacing */
  --space-1: .25rem; --space-2: .5rem; --space-3: .75rem; --space-4: 1rem;
  --space-6: 1.5rem; --space-8: 2rem;

  /* Radii & shadows */
  --r-sm: 6px; --r-md: 10px; --radius-lg: .5rem; --radius-xl: .75rem;
  --shadow-sm: 0 1px 2px rgba(6,7,8,0.06);
  --shadow-md: 0 8px 18px rgba(6,7,8,0.08);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.08);

  /* z-index */
  --z-dropdown: 1000; --z-sticky: 1020; --z-modal-backdrop: 1040; --z-modal: 1050;

  /* Transitions */
  --transition-fast: .15s cubic-bezier(.4,0,.2,1);
  --transition-normal: .25s cubic-bezier(.4,0,.2,1);
}

/* ---------- Base reset & typography ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html, body, #root { height: 100%; }
html {
  font-family: var(--ff-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  color: var(--text-primary);
  font-size: var(--fs-md);
  line-height: 1.45;
  font-weight: var(--fw-medium);
  -webkit-font-smoothing: antialiased;
}

/* Headings */
h1,h2,h3,h4,h5,h6 {
  color: var(--text-strong);
  margin: 0 0 .5rem;
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
}
h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

/* ---------- Layout: sidebar + main ---------- */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--sidebar-grad);
  color: var(--white);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: transform var(--transition-normal);
}

.sidebar.closed { transform: translateX(-100%); }

/* brand */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px;
  border-bottom: 1px solid rgba(255,255,255,.04);
}
.logo {
  background: var(--brand);
  color: var(--white);
  width: 44px;
  height: 44px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.brand-text h1 {
  margin: 0; font-size: 16px; color: var(--white); font-weight: 700;
}
.brand-sub { font-size: 12px; color: #c7d2fe; }

/* mobile toggle */
.mobile-toggle { margin-left: auto; background: transparent; border: 0; color: #e5e7eb; display: none; }

/* nav */
.nav-list { padding: 12px; }
.nav-section { padding: 4px 6px; }
.nav-item {
  display: flex; align-items: center; gap: 12px; padding: 10px; border-radius: 6px; cursor: pointer;
  color: #f8fafc; transition: background var(--transition-fast);
}
.nav-item:hover { background: rgba(99,102,241,0.12); }
.nav-item .nav-title { flex: 1; color: var(--white); font-weight: 600; }
.nav-icon { font-size: 20px; color: var(--white); }
.chev { color: #c7d2fe; }

/* subitems */
.subitems { padding-left: 18px; margin-top: 6px; }
.subitem { padding: 8px; border-radius: 6px; color: #e6eef8; font-weight: 500; }
.subitem:hover { background: rgba(255,255,255,0.06); }

/* sidebar footer */
.sidebar-footer { margin-top: auto; padding: 16px; color: #9ca3af; }
.sidebar-user { color: #e5e7eb; }

/* ---------- Main content ---------- */
.main-content {
  flex: 1;
  padding: var(--space-8);
  max-width: 100%;
  overflow-x: hidden;
}

/* nav bar (top) */
nav {
  margin-bottom: var(--space-6);
  display:flex; flex-wrap:wrap; gap: var(--space-3); padding: var(--space-3) 0;
  border-bottom: 1px solid var(--card-border);
}

/* ---------- Dashboard header ---------- */
.dashboard-header {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--card-border);
}
.dashboard-header h2 {
  margin: 0 0 var(--space-2) 0;
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--text-strong);
}
.welcome {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  font-weight: var(--fw-regular);
}

/* ---------- Card grid & stat cards ---------- */
.cards-grid {
  display: grid;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}
@media (min-width: 768px) {
  .cards-grid { grid-template-columns: repeat(4, 1fr); }
}
.card {
  background: var(--bg-primary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}
.stat-card {
  display:flex; justify-content: space-between; align-items:center;
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  transition: transform var(--transition-normal);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.stat-number { font-size: 1.5rem; font-weight: var(--fw-bold); color: var(--text-strong); }
.stat-label { font-size: .85rem; color: var(--muted-2); font-weight: var(--fw-medium); text-transform: uppercase; }

/* make sure colored badges have white text */
.stat-card .stat-badge,
.badge.primary,
.pill--primary { color: var(--white); -webkit-text-fill-color: var(--white); }

/* ---------- Tables ---------- */
.tables-grid { display: grid; gap: var(--space-8); margin-bottom: var(--space-8); }
@media (min-width: 768px) { .tables-grid { grid-template-columns: 1fr 1fr; } }

.table-container {
  max-height: 70vh;
  overflow-y: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--card-border);
  background: var(--bg-primary);
}

.table-card {
  overflow: hidden;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--card-border);
  padding: var(--space-3);
}
.table-wrap { background: var(--bg-primary); border: 1px solid var(--card-border); padding: var(--space-4); overflow-x:auto; }

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  min-width: 520px;
}
table thead th {
  background: var(--table-head);
  color: var(--white);
  text-align: left;
  padding: .8rem;
  font-weight: var(--fw-bold);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  text-transform: uppercase;
  letter-spacing: .05em;
}
table tbody td {
  padding: .75rem;
  border-bottom: 1px solid #eef2f6;
  color: var(--text-strong); /* use readable body color */
}
table tbody tr:hover { background-color: var(--bg-tertiary); }

/* make sure table small text uses muted color where appropriate */
.table-muted { color: var(--text-muted); font-size: .9rem; }

/* ---------- Buttons ---------- */
.btn {
  border: 2px solid var(--card-border);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: .5rem .75rem;
  cursor: pointer;
  font-weight: var(--fw-semibold);
  transition: var(--transition-normal);
  display: inline-flex; align-items:center; gap: .5rem;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: var(--white); }
.btn.primary:hover { background: var(--brand-600); }
.btn.ghost { background: transparent; border-style: dashed; }

/* ---------- Forms ---------- */
.form-row { display:flex; gap: var(--space-4); align-items:flex-start; margin: var(--space-4) 0; }
.form-row label { min-width: 140px; color: var(--text-secondary); font-weight: var(--fw-medium); padding-top: .5rem; font-size: var(--fs-sm); text-transform: uppercase; }
input, select, textarea {
  border: 2px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: .6rem .75rem;
  font-size: var(--fs-md);
  transition: var(--transition-normal);
  background: var(--bg-primary);
  width: 100%;
  color: var(--text-strong);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(79,70,229,0.08); }
input::placeholder, textarea::placeholder { color: var(--muted-2); opacity: 1; }

/* ---------- Autocomplete / dropdowns ---------- */
.autocomplete { position: relative; }
.autocomplete-list {
  position: absolute; z-index: var(--z-dropdown); background: var(--bg-primary);
  border: 2px solid var(--card-border); border-radius: var(--r-md);
  max-height: 240px; overflow-y: auto; width: 100%; box-shadow: var(--shadow-md); margin-top: .4rem;
}
.autocomplete-item { padding: .6rem .75rem; display:flex; align-items:center; justify-content:space-between; cursor:pointer; border-bottom: 1px solid var(--card-border); }
.autocomplete-item:hover { background: var(--bg-tertiary); color: var(--text-strong); }
.autocomplete-item.active { background: var(--primary-50); color: var(--accent); }

/* ---------- Badges & utilities ---------- */
.badge { display:inline-block; padding: .25rem .5rem; border-radius: 6px; font-weight: var(--fw-semibold); }
.badge.primary { background: var(--brand); color: var(--white); }

.contrast-on { color: var(--white) !important; -webkit-text-fill-color: var(--white) !important; }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display:flex; align-items:center; justify-content:center; z-index: var(--z-modal-backdrop);
  backdrop-filter: blur(4px);
}
.modal {
  background: var(--bg-primary); border-radius: var(--radius-xl); max-width: 640px; width: 92%;
  max-height: 90vh; overflow:hidden; display:flex; flex-direction:column; box-shadow: var(--shadow-lg);
  border: 1px solid var(--card-border);
}
.modal-header { border-bottom: 1px solid var(--card-border); padding: var(--space-4); background: var(--bg-secondary); }
.modal-body { padding: var(--space-4); overflow-y:auto; }
.modal-actions { border-top: 1px solid var(--card-border); padding: var(--space-3); display:flex; gap: .5rem; justify-content:flex-end; }

/* ---------- Loading ---------- */
.loading { display:inline-flex; align-items:center; gap: .5rem; }
.loading::after {
  content: ''; width: 16px; height: 16px; border: 2px solid var(--card-border); border-top-color: var(--brand);
  border-radius: 9999px; animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Scrollbars ---------- */
.table-wrap::-webkit-scrollbar { width: 8px; height: 8px; }
.table-wrap::-webkit-scrollbar-track { background: #f3f4f6; border-radius: 6px; }
.table-wrap::-webkit-scrollbar-thumb { background: #c7cbd1; border-radius: 6px; }

/* ---------- Small utilities ---------- */
.text-muted { color: var(--text-muted); }
.text-strong { color: var(--text-strong); }
.muted-small { font-size: .85rem; color: var(--muted-2); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.text-center { text-align: center; }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .sidebar { position: fixed; z-index: 40; left: 0; top: 0; width: 220px; }
  .mobile-toggle { display: block; }
  .brand-text { display: none; }
  .nav-item { gap: 8px; padding: 12px 8px; }
  .main-content { padding: var(--space-4); }
  .cards-grid { grid-template-columns: 1fr; }
  table { min-width: 600px; font-size: var(--fs-sm); }
  .stat-card { padding: var(--space-3); flex-direction: column; text-align: center; gap: var(--space-2); }
}

/* extra small screens */
@media (max-width: 480px) {
  .sidebar { width: 200px; }
  .logo { width: 36px; height: 36px; font-size: 14px; }
  .main-content { padding: var(--space-3); }
  .autocomplete-list { max-height: 200px; }
}

/* ---------- Dark mode ---------- */
/* @media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1f2937;
    --bg-secondary: #111827;
    --bg-tertiary: #374151;
    --text-primary: #f9fafb;
    --text-muted: #e5e7eb;
    --card-border: #374151;
  }
  .card, .table-card { background: var(--bg-primary); border-color: var(--card-border); color: var(--text-primary); }
  input, select, textarea { background: var(--bg-secondary); border-color: var(--card-border); color: var(--text-primary); }
  table thead th { background: var(--bg-secondary); color: var(--text-muted); }
} */

/* ---------- Print & accessibility ---------- */
@media print {
  .app-shell { background: white; }
  nav, .btn { display: none !important; }
  .card { break-inside: avoid; box-shadow: none; border: 1px solid #ccc; }
  .stat-card { background: white !important; border: 1px solid #ccc !important; }
}
@media (prefers-contrast: high) {
  .card, .btn, input, select, textarea { border: 2px solid var(--text-strong); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* ---------- Small login example & helpers (kept from previous) ---------- */
.login-container { max-width: 420px; margin: 40px auto; padding: 20px; border: 1px solid var(--card-border); border-radius: 8px; box-shadow: var(--shadow-sm); background: var(--bg-primary); }
.login-container h2 { text-align: center; margin-bottom: 16px; }
.form-group { margin-bottom: 12px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 700; color: var(--text-strong); }
.form-group input { width: 100%; padding: 8px; border: 1px solid var(--card-border); border-radius: 6px; }
.error { color: var(--error-600, #dc2626); font-size: .9rem; margin-bottom: 8px; }

/* End of unified CSS */
/* === Table override to fix leftover conflicts (place at END of unified.css) === */

/* Ensure the main table container uses one layout and doesn't add extra padding */
.table-container.card {
  padding: 1rem;         /* consistent card padding */
  margin: 0 0 1.25rem 0;
  box-sizing: border-box;
}

/* Ensure single scroll container and sticky header works */
.table-wrap {
  max-height: 64vh !important;
  overflow-x: auto !important;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch;
  border-radius: 12px !important;
}

/* Make table flexible: allow columns to size, but don't let content break layout */
.table-wrap table {
  width: 100% !important;
  min-width: 680px; /* adjust lower if you have fewer columns */
  border-collapse: collapse !important;
  table-layout: auto !important;
}

/* Sticky header fix: higher z-index so it stays above other content */
.table-wrap thead th {
  position: sticky !important;
  top: 0 !important;
  z-index: 1100 !important;
}

/* Remove unexpected wrapping from cells; keep truncation on long text */
.table-wrap tbody td {
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  vertical-align: middle !important;
}

/* Make sure the header colors are consistent */
.table-wrap thead th {
  background: var(--table-head, #0f1724) !important;
  color: var(--white, #fff) !important;
}

/* Improve accessibility on small screens: allow the table to be scrolled horizontally */
@media (max-width: 720px) {
  .table-wrap table { min-width: 600px; }
  .table-wrap tbody td { white-space: nowrap; font-size: .95rem; }
}

/* A helper to show full text on hover for truncated cells */
.table-wrap tbody td .cell-truncate[title] {
  cursor: help;
}

/* A helper to show full text on hover for truncated cells */
.table-wrap tbody td .cell-truncate[title]:hover {
  overflow: visible !important;
  white-space: normal !important;
  text-overflow: clip !important;
  max-width: none !important;
}