:root {
  --bg: #f4f8ff;
  --surface: #ffffff;
  --surface-alt: #eef4ff;
  --surface-soft: #f8fbff;
  --border: #d7e4ff;
  --border-strong: #b7cdfa;
  --text: #17324d;
  --text-soft: #57718f;
  --text-faint: #7890ab;
  --primary: #2463eb;
  --primary-strong: #1748b8;
  --primary-soft: #e8f0ff;
  --success: #0f9f6e;
  --warning: #d08700;
  --danger: #d64545;
  --info: #2f6dd5;
  --shadow: 0 18px 40px rgba(30, 68, 140, 0.08);
  --radius: 6px;
  --radius-sm: 6px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(36, 99, 235, 0.10), transparent 30%),
    linear-gradient(180deg, #f8fbff 0%, #eef5ff 100%);
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select { font: inherit; }
.hidden { display: none !important; }

.page-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
}

.auth-card {
  width: 100%;
  max-width: 460px;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(183, 205, 250, 0.8);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px;
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
.brand-mark {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary), #61a3ff);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  box-shadow: 0 14px 30px rgba(36, 99, 235, 0.22);
}
.brand-copy h1 {
  margin: 0;
  font-size: 1.7rem;
  letter-spacing: -0.04em;
}
.brand-copy p {
  margin: 4px 0 0;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.hero-title {
  margin: 0 0 8px;
  font-size: 2rem;
  letter-spacing: -0.05em;
}
.hero-subtitle {
  margin: 0 0 28px;
  color: var(--text-soft);
  line-height: 1.55;
}

.form-grid {
  display: grid;
  gap: 18px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.field {
  display: grid;
  gap: 8px;
}
.field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-soft);
  letter-spacing: 0.03em;
}
.field input, .field select {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: white;
  color: var(--text);
  padding: 14px 15px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.field input:focus, .field select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(36, 99, 235, 0.12);
}

.btn-primary, .btn-secondary, .btn-ghost {
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary:disabled, .btn-secondary:disabled, .btn-ghost:disabled {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #518fff);
  color: white;
  padding: 14px 18px;
  font-weight: 700;
  box-shadow: 0 14px 28px rgba(36, 99, 235, 0.18);
}
.btn-primary:hover { transform: translateY(-1px); }
.btn-secondary {
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 12px 16px;
}
.btn-ghost {
  background: transparent;
  color: var(--text-soft);
  border: 1px solid var(--border);
  padding: 10px 14px;
}

.notice {
  display: none;
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 0.94rem;
  line-height: 1.45;
}
.notice.show { display: block; }
.notice.error { background: #fff3f3; color: #a73c3c; border: 1px solid #f3c6c6; }
.notice.success { background: #eefaf6; color: #0f805b; border: 1px solid #bbe9d7; }

.auth-footer {
  margin-top: 18px;
  color: var(--text-soft);
  text-align: center;
  font-size: 0.95rem;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px 1fr;
}
.sidebar {
  background: rgba(255,255,255,0.78);
  border-right: 1px solid rgba(183, 205, 250, 0.7);
  backdrop-filter: blur(16px);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
}
.sidebar .brand { margin-bottom: 24px; }
.sidebar .user-strip { margin-bottom: 24px; }
.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  font-size: 0.78rem;
  color: var(--text-soft);
  text-align: center;
}

.user-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius);
  background: var(--surface-alt);
  border: 1px solid var(--border);
}
.user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #61a3ff);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.user-name { font-weight: 600; font-size: 0.95rem; }
.user-role { color: var(--text-soft); font-size: 0.82rem; text-transform: capitalize; }
.user-strip-info { flex: 1; min-width: 0; }
.user-config-btn {
  padding: 6px 9px;
  border-color: transparent;
  font-size: 0.88rem;
  flex-shrink: 0;
}
.user-config-btn:hover { background: var(--primary-soft); color: var(--primary-strong); border-color: var(--border); }

.nav-link.logout { color: var(--danger); }
.nav-link.logout:hover { background: #fff1f1; color: var(--danger); text-decoration: none; }

.nav-list {
  display: grid;
  gap: 8px;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border-radius: var(--radius);
  color: var(--text-soft);
  text-decoration: none;
  font-weight: 600;
}
.nav-link:hover,
.nav-link.active {
  background: var(--primary-soft);
  color: var(--primary-strong);
  text-decoration: none;
}

.sidebar-card, .card {
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(183, 205, 250, 0.75);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.sidebar-card {
  padding: 18px;
}
.sidebar-card h3, .card h3 { margin: 0 0 8px; }
.sidebar-card p { margin: 0; color: var(--text-soft); font-size: 0.94rem; line-height: 1.5; }

.main {
  padding: 28px;
  display: grid;
  gap: 24px;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.topbar h2 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: -0.05em;
}
.topbar p {
  margin: 6px 0 0;
  color: var(--text-soft);
}
.topbar-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}
.user-pill {
  padding: 10px 14px;
  border-radius: var(--radius);
  background: white;
  border: 1px solid var(--border);
  color: var(--text-soft);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
}
.card { padding: 24px; }
.card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 18px;
}
.card-head p { margin: 6px 0 0; color: var(--text-soft); }

.search-box {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  margin-top: 18px;
}
.search-box input {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  background: white;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.helper-row {
  margin-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.metric {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.metric-label {
  color: var(--text-soft);
  font-size: 0.9rem;
}
.metric-value {
  margin-top: 10px;
  font-size: 1.8rem;
  font-weight: 700;
}
.metric-sub {
  margin-top: 4px;
  color: var(--text-faint);
  font-size: 0.9rem;
}

.status-good { color: var(--success); }
.status-warn { color: var(--warning); }
.status-bad { color: var(--danger); }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 0.85rem;
  font-weight: 700;
}
.badge.small { padding: 3px 7px; font-size: 0.75rem; }
.badge.good { background: #ecfaf5; color: var(--success); }
.badge.warn { background: #fff7e8; color: var(--warning); }
.badge.bad { background: #fff1f1; color: var(--danger); }

.recent-list, .issue-list, .components-list, .users-list {
  display: grid;
  gap: 12px;
}
.recent-list {
  max-height: 212px;
  overflow-y: auto;
}
.list-item {
  border: 1px solid var(--border);
  background: white;
  border-radius: var(--radius);
  padding: 16px;
}
.list-item strong { display: block; margin-bottom: 4px; }
.list-meta {
  color: var(--text-soft);
  font-size: 0.92rem;
}
.component-row {
  display: grid;
  grid-template-columns: 1.3fr 1fr 110px;
  gap: 14px;
  align-items: center;
}
.component-item-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr auto;
  gap: 14px;
  align-items: center;
}
.components-list {
  display: grid;
  gap: 12px;
}
.vehicle-item-row {
  display: grid;
  grid-template-columns: 1.6fr 1fr auto auto;
  gap: 14px;
  align-items: center;
}
.vehicles-list {
  display: grid;
  gap: 12px;
}
.badge.L7 { background: #ece8ff; color: #5b3fd4; }
.badge.L6 { background: var(--primary-soft); color: var(--primary-strong); }
.badge.L5 { background: #fff7e8; color: var(--warning); }
.vconfig-item-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr auto auto;
  gap: 14px;
  align-items: center;
}
.vconfigs-list { display: grid; gap: 12px; }
.vconfig-edit { display: block; }
.vconfig-entries-list { display: grid; gap: 8px; }
.vconfig-entry-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 14px;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.add-entry-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr auto;
  gap: 12px;
  align-items: end;
}
.diag-entry-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 14px;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.diag-entry-row.missing { background: #fff1f1; border-color: var(--danger); }
.diag-entry-row.update  { background: #fff7e8; border-color: #f5d98f; }
.diag-entry-row.ok      { border-color: #b7f0da; }
.diag-entry-row.unknown { border-color: #d0d0d0; }
.diag-entries-list { display: flex; flex-direction: column; gap: 6px; }
@media (max-width: 760px) {
  .vconfig-entry-row, .add-entry-row, .diag-entry-row { grid-template-columns: 1fr; }
}
.user-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto auto;
  gap: 14px;
  align-items: center;
}
.row-actions { display: flex; gap: 8px; }

.form-row-3 {
  display: grid;
  grid-template-columns: 100px 1fr 1fr;
  gap: 14px;
}
.field-with-action {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: end;
}
.field-with-action input { margin: 0; }

.duration-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  white-space: nowrap;
  font-size: 0.94rem;
  color: var(--text-soft);
  font-weight: 500;
  user-select: none;
  margin-bottom: 12px;
}
.duration-inputs {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.duration-unit {
  display: flex;
  align-items: center;
  gap: 6px;
}
.duration-unit input[type="number"] {
  width: 62px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 8px;
  background: white;
  color: var(--text);
  text-align: center;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.duration-unit input[type="number"]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(36, 99, 235, 0.12);
}
.duration-unit span {
  color: var(--text-soft);
  font-size: 0.9rem;
}

.badge.all { background: #ece8ff; color: #5b3fd4; }
.badge.elevated { background: var(--primary-soft); color: var(--primary-strong); }
.badge.factory { background: #fff7e8; color: var(--warning); }
.badge.user { background: var(--surface-alt); color: var(--text-soft); }
.btn-ghost.danger { color: var(--danger); border-color: transparent; }
.btn-ghost.danger:hover { background: #fff1f1; border-color: var(--danger); }
.progress {
  width: 100%;
  height: 10px;
  background: var(--surface-alt);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 8px;
}
.progress > span {
  display: block;
  height: 100%;
  border-radius: var(--radius);
  background: linear-gradient(90deg, #4e8fff, var(--primary));
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.toolbar .actions { display: flex; gap: 12px; }

.muted { color: var(--text-soft); }
.small { font-size: 0.92rem; }
.kicker {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: var(--radius);
  padding: 7px 12px;
  font-size: 0.82rem;
  font-weight: 700;
}

@media (max-width: 1080px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { border-right: none; border-bottom: 1px solid rgba(183,205,250,0.7); }
  .grid-2, .metrics { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .auth-card { padding: 28px 22px; }
  .form-row, .grid-2, .metrics, .search-box, .component-row, .user-row { grid-template-columns: 1fr; }
  .main { padding: 18px; }
  .topbar { flex-direction: column; align-items: flex-start; }
}

/* ── Print overlay ── */
.print-overlay {
  position: fixed;
  inset: 0;
  background: #fff;
  z-index: 1000;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.print-topbar {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(30,68,140,0.06);
}
.print-topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.95rem;
}
.brand-mark-sm {
  width: 28px;
  height: 28px;
  border-radius: 5px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.print-topbar-actions { display: flex; gap: 10px; align-items: center; }
.print-content {
  padding: 40px 60px;
  max-width: 880px;
  margin: 0 auto;
  width: 100%;
}

/* ── Print report layout ── */
.print-report-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--border);
}
.print-report-brand {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 5px;
}
.print-report-title {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin: 0 0 4px;
  color: var(--text);
}
.print-report-sub {
  color: var(--text-soft);
  margin: 0;
  font-size: 0.92rem;
}
.print-vehicle-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 32px;
  font-size: 0.94rem;
}
.print-vehicle-table th,
.print-vehicle-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.print-vehicle-table th {
  width: 150px;
  color: var(--text-soft);
  font-weight: 500;
  white-space: nowrap;
}
.print-section-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-soft);
  margin: 0 0 12px;
}
.print-diag-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.91rem;
  margin-bottom: 28px;
}
.print-diag-table thead th {
  background: var(--surface-alt);
  padding: 9px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--text-soft);
  border-bottom: 1px solid var(--border);
}
.print-diag-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.print-diag-table tr.missing td { background: #fff1f1; }
.print-diag-table tr.update td  { background: #fff7e8; }
.print-diag-table tr.ok td      { background: #f0fdf8; }
.print-footer {
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 0.82rem;
  text-align: center;
}

@media print {
  .print-topbar { display: none !important; }
  .app-shell    { display: none !important; }
  #print-overlay {
    display: flex !important;
    position: static !important;
    overflow: visible !important;
    z-index: auto !important;
  }
  .print-content { padding: 0 !important; max-width: none !important; margin: 0 !important; }
  .print-diag-table tr.missing td,
  .print-diag-table tr.update td,
  .print-diag-table tr.ok td,
  .badge { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}