/* Additional theme variables for styles.css - extends common.css */
:root {
  --primary: var(--accent);
  --primary-600: var(--accent);
  --surface: var(--card);
  --card-shadow: var(--shadow);
  --glass: rgba(255,255,255,0.6);
  --transition: 200ms cubic-bezier(.2,.8,.2,1);
}

[data-theme="dark"] {
  --glass: rgba(45, 45, 45, 0.6);
}

/* Page base */
* { box-sizing: border-box; }
html,body { height:100%; }
body {
  font-family: "Segoe UI", Inter, system-ui, -apple-system, "Segoe UI Emoji", "Segoe UI Symbol", Roboto, "Helvetica Neue", Arial;
  margin: 0;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.45;
  font-size: 15px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Layout container */
.container {
  max-width:1400px;
  margin:28px auto;
  padding:20px 15px;
}

/* Header */
.page-header {
  background: var(--card);
  border-radius: var(--radius);
  padding: 14px 20px;
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--card-shadow);
  border:1px solid var(--border);
}
.page-header h1 { margin:0; font-size:1.25rem; font-weight:600; color:var(--text); }
.page-header .subtitle { color:var(--muted); font-size:0.95rem; }

/* Cards & link-grid */
.link-grid { display:grid; gap:var(--gap); grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); margin-top:var(--gap); }
.card {
  background:var(--surface);
  border-radius:12px;
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:10px;
  align-items:flex-start;
  border:1px solid var(--border);
  box-shadow:var(--card-shadow);
  text-decoration:none;
  color:inherit;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform:translateY(-6px); box-shadow: 0 12px 32px rgba(16,24,40,0.12); }

/* Buttons - modern system */
.btn {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 14px;
  border-radius:8px;
  border:0;
  cursor:pointer;
  font-weight:600;
  color:white;
  background:var(--primary);
  box-shadow: 0 6px 18px rgba(37,99,235,0.12);
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition);
  text-decoration:none;
  user-select:none;
}
.btn:active { transform:translateY(1px) scale(.998); }
.btn:focus { outline:4px solid rgba(37,99,235,0.12); outline-offset:2px; }

/* Variants */
.btn-secondary { background:#6b7280; box-shadow: 0 6px 18px rgba(107,114,128,0.08); }
.btn-accent { background:var(--accent); box-shadow: 0 6px 18px rgba(6,182,212,0.12); color:#042029; }
.btn-danger { background:var(--danger); box-shadow: 0 6px 18px rgba(220,38,38,0.12); }
.btn-outline {
  background:transparent; color:var(--primary); border:1px solid rgba(37,99,235,0.15);
  box-shadow:none;
}

/* sizes */
.btn-sm, .btn.small { padding:6px 10px; font-size:0.85rem; border-radius:7px; box-shadow:none; }
.btn-lg { padding:12px 20px; font-size:1.05rem; border-radius:12px; }

/* Icons inside buttons (if used) */
.btn svg { width:16px; height:16px; }

/* Table styling */
.table, table {
  width:100%;
  border-collapse:collapse;
  margin-top:8px;
  border-radius:12px;
  overflow:hidden;
  background:linear-gradient(180deg, var(--surface), var(--glass));
  border:1px solid var(--border);
  box-shadow:var(--card-shadow);
}
.table th, .table td {
  padding:8px;
  border:1px solid #e8e8e8;
  text-align:left;
  vertical-align:middle;
}
.table thead th {
  background: linear-gradient(180deg,#fbfdff,#f3f6fb);
  color:var(--muted);
  font-weight:600;
  padding:12px 14px;
  text-align:left;
  font-size:0.85rem;
  border-bottom:1px solid var(--border);
  position:sticky; top:0;
}
.table tbody tr { transition: background var(--transition); }
.table tbody tr:hover { background:rgba(37,99,235,0.03); }
.table td, .table th { padding:12px 14px; border-bottom:1px solid #f1f4fa; color:var(--text); font-size:0.95rem; vertical-align:middle; }

/* Zebra for readability */
.table tbody tr:nth-child(odd) td { background:rgba(15,23,32,0.01); }

/* Tiny action cell */
.actions-cell { display:flex; gap:8px; align-items:center; }

/* Form controls */
label { display:block; margin-bottom:6px; font-weight:600; color:var(--muted); font-size:0.92rem; }
input[type="text"], input[type="number"], select, textarea, input[type="password"], input[type="file"] {
  width:100%; padding:10px 12px; border-radius:8px; border:1px solid var(--border); background:transparent; font-size:0.95rem; color:var(--text);
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}
input:focus, textarea:focus, select:focus { box-shadow: 0 6px 20px rgba(37,99,235,0.06); border-color:var(--primary-600); outline:none; transform:translateY(-1px); }

/* Helper text and badges */
.muted { color:var(--muted); font-style:normal; font-size:0.9rem; }
.badge { display:inline-block; padding:6px 10px; background:rgba(15,23,42,0.06); color:var(--muted); border-radius:999px; font-weight:600; font-size:0.8rem; }

/* Modal */
.modal { display:none; position:fixed; inset:0; z-index:3000; align-items:center; justify-content:center; background:linear-gradient(180deg, rgba(2,6,23,0.4), rgba(2,6,23,0.6)); padding:28px; }
.panel {
  width:100%; max-width:900px; border-radius:12px; padding:22px; background:linear-gradient(180deg,var(--surface),#fbfdff); border:1px solid var(--border); box-shadow:0 20px 60px rgba(2,6,23,0.3);
  transform:translateY(0); transition: transform var(--transition), opacity var(--transition);
}

/* Modal header with close */
.modal .modal-head { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:12px; }
.modal .close-x {
  background:transparent; border:0; color:var(--muted); font-weight:700; font-size:1.05rem; cursor:pointer;
  padding:8px; border-radius:8px; transition:background var(--transition);
}
.modal .close-x:hover { background:rgba(15,23,42,0.04); color:var(--text); }

/* Part details */
.part-details { display:flex; gap:18px; align-items:flex-start; }
.part-details .part-image { flex:0 0 180px; border-radius:8px; overflow:hidden; border:1px solid var(--border); background:#fff; padding:6px; }
.part-details img { display:block; width:100%; height:auto; object-fit:cover; }

/* Responsive */
@media (max-width:900px) {
  .part-details { flex-direction:column; }
  .page-header { flex-direction:column; align-items:flex-start; gap:8px; }
}

/* Small utilities */
.row { display:flex; gap:12px; align-items:center; }
.col { flex:1; }
.center { display:flex; align-items:center; justify-content:center; }

/* Tiny helper for thumbnail images used in table cells */
.thumb { width:48px; height:48px; object-fit:cover; border-radius:6px; border:1px solid var(--border); }

/* form action area */
.form-actions { display:flex; justify-content:flex-end; gap:10px; margin-top:12px; }

/* Accessibility: focus visible */
:focus-visible { outline: 3px solid rgba(37,99,235,0.16); outline-offset:2px; }

/* Print-friendly */
@media print {
  body { background:#fff; }
  .page-header, .card, .modal { box-shadow:none; border:1px solid #ddd; }
  .modal { display:none !important; }
}

/* Dark mode overrides - remove gradients and use solid backgrounds */
[data-theme="dark"] .panel,
:root:not([data-theme="light"]) .panel {
  background: var(--card) !important;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}

[data-theme="dark"] .modal,
:root:not([data-theme="light"]) .modal {
  background: linear-gradient(180deg, rgba(0,0,0,0.5), rgba(0,0,0,0.7));
}