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

:root {
  --blue: #1a56db;
  --blue-dark: #1341b8;
  --blue-light: #e8efff;
  --green: #0e9f6e;
  --green-bg: #def7ec;
  --orange: #f05252;
  --orange-bg: #fde8e8;
  --yellow: #e3a008;
  --yellow-bg: #fdf6b2;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--gray-100);
  color: var(--gray-900);
  min-height: 100vh;
}

/* ── Header ── */
header {
  background: linear-gradient(135deg, #1a56db 0%, #0e36a8 100%);
  color: #fff;
  padding: 0 1.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: #fff; }
.logo svg { width: 32px; height: 32px; }
.logo-text { font-size: 1.2rem; font-weight: 700; letter-spacing: -.02em; }
.logo-text span { opacity: .7; font-weight: 400; }
nav a {
  color: rgba(255,255,255,.85);
  text-decoration: none;
  font-size: .9rem;
  padding: .4rem .75rem;
  border-radius: 6px;
  transition: background .15s, color .15s;
}
nav a:hover, nav a.active { background: rgba(255,255,255,.15); color: #fff; }
nav { display: flex; align-items: center; gap: .25rem; }
.lang-switch {
  display: flex; align-items: center; gap: .35rem;
  padding-left: 1rem;
  margin-left: .5rem;
  border-left: 1px solid rgba(255,255,255,.3);
}
.lang-switch span { color: rgba(255,255,255,.4); font-size: .85rem; }
.lang-switch a {
  color: rgba(255,255,255,.75);
  text-decoration: none;
  font-size: .82rem;
  font-weight: 600;
  padding: .25rem .5rem;
  border-radius: 4px;
  transition: background .15s, color .15s;
}
.lang-switch a:hover { background: rgba(255,255,255,.15); color: #fff; }
.lang-switch a.lang-active { background: rgba(255,255,255,.2); color: #fff; }

/* ── Layout ── */
main { max-width: 1200px; margin: 0 auto; padding: 2rem 1.5rem; }

/* ── Search bar ── */
.search-box {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.search-box h2 { font-size: 1.1rem; font-weight: 600; color: var(--gray-700); margin-bottom: 1rem; }
.search-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: .75rem;
  align-items: end;
}
@media (max-width: 768px) {
  .search-grid { grid-template-columns: 1fr 1fr; }
  .search-grid .btn-search { grid-column: span 2; }
}
@media (max-width: 480px) {
  .search-grid { grid-template-columns: 1fr; }
  .search-grid .btn-search { grid-column: span 1; }
}
label { display: block; font-size: .8rem; font-weight: 500; color: var(--gray-500); margin-bottom: .3rem; text-transform: uppercase; letter-spacing: .05em; }
select, input[type="text"], input[type="number"], textarea {
  width: 100%;
  padding: .6rem .9rem;
  border: 1.5px solid var(--gray-200);
  border-radius: 6px;
  font-size: .95rem;
  background: #fff;
  color: var(--gray-900);
  transition: border-color .15s, box-shadow .15s;
  -webkit-appearance: none;
}
select:focus, input:focus, textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,86,219,.15);
}

/* ── Free text search ── */
.freetext-row { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--gray-100); }
.freetext-inner { display: flex; gap: .75rem; }
.freetext-inner input { flex: 1; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .65rem 1.25rem;
  border: none;
  border-radius: 6px;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter .15s, transform .1s;
  text-decoration: none;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { filter: brightness(1.1); }
.btn-success { background: var(--green); color: #fff; }
.btn-success:hover { filter: brightness(1.1); }
.btn-danger { background: var(--orange); color: #fff; }
.btn-danger:hover { filter: brightness(1.1); }
.btn-secondary { background: var(--gray-200); color: var(--gray-700); }
.btn-secondary:hover { background: var(--gray-300); }
.btn-sm { padding: .4rem .8rem; font-size: .8rem; }
.btn-search { width: 100%; justify-content: center; padding: .7rem; }

/* ── Results ── */
#results { margin-top: 1.5rem; }
.result-count { font-size: .85rem; color: var(--gray-500); margin-bottom: 1rem; }

.result-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 1rem;
  overflow: hidden;
  border-left: 4px solid var(--blue);
  transition: box-shadow .15s;
}
.result-card:hover { box-shadow: var(--shadow-md); }
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--gray-100);
  flex-wrap: wrap;
  gap: .5rem;
}
.card-title { font-size: 1.05rem; font-weight: 700; color: var(--gray-900); }
.card-subtitle { font-size: .85rem; color: var(--gray-500); margin-top: .15rem; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .25rem .7rem;
  border-radius: 9999px;
  font-size: .78rem;
  font-weight: 600;
}
.badge-r134a { background: var(--blue-light); color: var(--blue-dark); }
.badge-r1234yf { background: var(--green-bg); color: #05644a; }
.badge-other { background: var(--yellow-bg); color: #856404; }

.card-body {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0;
}
.stat-item {
  padding: .9rem 1.25rem;
  border-right: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
}
.stat-item:last-child { border-right: none; }
.stat-label { font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; color: var(--gray-500); margin-bottom: .2rem; }
.stat-value { font-size: 1.1rem; font-weight: 700; color: var(--gray-900); }
.stat-value small { font-size: .78rem; font-weight: 400; color: var(--gray-500); }
.card-notes { padding: .75rem 1.25rem; background: var(--gray-50); font-size: .85rem; color: var(--gray-500); }
.card-notes strong { color: var(--gray-700); }

/* ── Empty / loading ── */
.empty { text-align: center; padding: 3rem 1rem; color: var(--gray-500); }
.empty svg { width: 56px; height: 56px; margin: 0 auto 1rem; opacity: .3; display: block; }
.empty p { font-size: 1rem; }
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 2rem auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Admin table ── */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; flex-wrap: wrap; gap: .75rem; }
.page-header h1 { font-size: 1.4rem; font-weight: 700; }
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
thead { background: var(--gray-50); }
th { padding: .75rem 1rem; text-align: left; font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--gray-500); border-bottom: 1px solid var(--gray-200); }
td { padding: .75rem 1rem; border-bottom: 1px solid var(--gray-100); font-size: .9rem; vertical-align: top; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--gray-50); }
.td-actions { display: flex; gap: .4rem; }

/* ── Forms ── */
.card-form { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-md); padding: 1.5rem; max-width: 700px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }
.form-group { margin-bottom: 0; }
.form-group.full { grid-column: span 2; }
@media (max-width: 560px) { .form-group.full { grid-column: span 1; } }
.form-actions { margin-top: 1.25rem; display: flex; gap: .75rem; flex-wrap: wrap; }
.alert { padding: .75rem 1rem; border-radius: 6px; margin-bottom: 1rem; font-size: .9rem; }
.alert-success { background: var(--green-bg); color: #05644a; }
.alert-error { background: var(--orange-bg); color: #9b1c1c; }

/* ── Footer ── */
footer { text-align: center; padding: 2rem 1rem; color: var(--gray-500); font-size: .82rem; border-top: 1px solid var(--gray-200); margin-top: 2rem; }

/* ── Results header (count + print btn) ── */
.results-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; flex-wrap: wrap; gap: .5rem; }
.results-header .result-count { margin-bottom: 0; }

/* ── Data source badge ── */
.source-badge {
  display: inline-block;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: .15rem .5rem;
  border-radius: 4px;
  text-transform: uppercase;
}
.source-autoair  { background: #e8efff; color: #1341b8; }
.source-ac       { background: #def7ec; color: #05644a; }
.source-norma    { background: #fdf6b2; color: #7d6608; }
.source-nrf      { background: #fce7f3; color: #9d174d; }

/* ── Conflict warning ── */
.conflict-warning {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  padding: .65rem 1.25rem;
  background: #fff8e6;
  border-top: 1px solid #fde68a;
  font-size: .82rem;
  color: #78350f;
  line-height: 1.45;
}
.conflict-warning svg { flex-shrink: 0; margin-top: .05rem; }
.result-card.has-conflict { border-left-color: #f59e0b; }

/* ── N/A oil data ── */
.val-na { color: var(--gray-400); font-style: italic; font-size: .9rem; font-weight: 400; }
.stat-na { background: var(--gray-50); }
.stat-na .stat-label { color: var(--gray-400); }

/* ── Print ── */
.print-header { display: none; }
@media print {
  header, .search-box, footer, .print-btn, .lang-switch, #printBtn { display: none !important; }
  body { background: #fff !important; }
  main { padding: .5rem !important; max-width: 100% !important; }
  .result-card { box-shadow: none !important; border: 1px solid #d1d5db !important; border-left: 3px solid #1a56db !important; break-inside: avoid; margin-bottom: .6rem !important; animation: none !important; transform: none !important; }
  .stat-item:hover { background: transparent !important; }
  .print-header { display: block !important; font-size: .78rem; color: #6b7280; padding-bottom: .75rem; margin-bottom: 1rem; border-bottom: 1px solid #e5e7eb; }
  .result-count { font-size: .78rem !important; color: #6b7280 !important; }
  .results-header { margin-bottom: .5rem; }
}

/* ══ SKELETON LOADING ══════════════════════════════════════════════════════ */
@keyframes shimmer {
  0%   { background-position: -900px 0; }
  100% { background-position: 900px 0; }
}
.skel {
  display: block;
  background: linear-gradient(90deg, #e8eaed 25%, #f4f5f7 50%, #e8eaed 75%);
  background-size: 1800px 100%;
  animation: shimmer 1.6s infinite linear;
  border-radius: 5px;
}
.skel-card { pointer-events: none; }
.skel-card .card-header { align-items: center; }

/* ══ ANIMATIONS ════════════════════════════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.result-card:not(.skel-card) {
  animation: fadeUp .3s ease both;
}

/* ══ HOVER EFFECTS ═════════════════════════════════════════════════════════ */

/* Cards — lift on hover */
.result-card {
  transition: box-shadow .22s ease, transform .22s ease, border-color .22s ease;
}
.result-card:not(.skel-card):hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 32px rgba(0,0,0,.11), 0 4px 10px rgba(0,0,0,.07);
  border-left-color: var(--blue-dark);
}

/* Stat items — subtle highlight on hover */
.stat-item {
  transition: background .15s;
}
.stat-item:hover {
  background: var(--blue-light);
}

/* Badges — pop on hover */
.badge {
  transition: transform .15s ease, box-shadow .15s ease;
  cursor: default;
}
.result-card:not(.skel-card) .badge:hover {
  transform: scale(1.08);
  box-shadow: 0 2px 8px rgba(26,86,219,.2);
}

/* Buttons — lift + press */
.btn {
  transition: filter .15s, transform .12s ease, box-shadow .12s ease;
}
.btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(0,0,0,.14);
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-success:hover { filter: brightness(1.08); }
.btn-danger:hover  { filter: brightness(1.08); }
.btn-secondary:hover { background: var(--gray-300); }
.btn:active {
  transform: scale(.97) translateY(0) !important;
  box-shadow: none !important;
  filter: brightness(.96) !important;
}

/* Logo — subtle scale */
.logo { transition: opacity .15s, transform .18s ease; }
.logo:hover { opacity: .88; transform: scale(1.03); }

/* Selects — dim when disabled (loading state) */
select { transition: border-color .15s, box-shadow .15s, opacity .2s; }
select:disabled { opacity: .45; cursor: not-allowed; }

/* Admin table rows */
tr { transition: background .1s; }

/* ── Logout button ── */
.btn-logout {
  color: rgba(255,255,255,.7) !important;
  font-size: .82rem !important;
  padding: .25rem .6rem !important;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 4px;
  text-decoration: none;
  transition: background .15s;
}
.btn-logout:hover { background: rgba(255,255,255,.15) !important; color: #fff !important; }

/* ── Mobile ── */
@media (max-width: 640px) {
  /* Header */
  .header-inner { height: auto; padding: .6rem 0; flex-wrap: wrap; gap: .4rem; }
  .logo-text span { display: none; }
  .logo-text { font-size: 1rem; }
  nav { gap: .15rem; flex-wrap: wrap; }
  nav a { font-size: .8rem; padding: .3rem .5rem; }
  .lang-switch { padding-left: .5rem; margin-left: .2rem; }
  .lang-switch a { font-size: .78rem; padding: .2rem .35rem; }

  /* Search */
  .btn-search { width: 100%; justify-content: center; }
  .freetext-inner { flex-direction: column; }
  .freetext-inner input, .freetext-inner button { width: 100%; }

  /* Results */
  .card-body { grid-template-columns: 1fr 1fr !important; }
  .result-card { padding: 1rem; }

  /* Tables */
  main { padding: 1rem .75rem; }
  .page-header { flex-direction: column; align-items: flex-start; gap: .75rem; }
  .page-header div { flex-wrap: wrap; }
}

@media (max-width: 420px) {
  .card-body { grid-template-columns: 1fr !important; }
  .header-inner { padding: .5rem 0; }
}