/* TARGA v2 — style.css
   Design: Clean Swiss editorial, Instrument Serif + Geist
   ================================================== */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Geist:wght@300;400;500;600&family=Geist+Mono:wght@400;500&display=swap');

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #fafaf8;
  --surface:   #ffffff;
  --surface2:  #f4f4f0;
  --border:    #e8e8e2;
  --border2:   #d4d4cc;
  --text:      #1a1a18;
  --text2:     #4a4a46;
  --muted:     #8a8a84;
  --accent:    #1a1a18;
  --accent-r:  #c8392b;   /* Rot — Schweiz */
  --accent-b:  #2563eb;   /* Blau — Links */
  --green:     #16a34a;
  --amber:     #d97706;
  --red:       #dc2626;

  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans:  'Geist', system-ui, sans-serif;
  --font-mono:  'Geist Mono', 'Fira Code', monospace;

  --radius:    6px;
  --radius-lg: 12px;
  --shadow:    0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-b); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== SITE HEADER ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250,250,248,0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 52px;
}

.site-logo {
  font-family: var(--font-mono);
  font-size: 15px; font-weight: 500;
  color: var(--text) !important;
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo-targa { color: var(--text); }
.logo-ch    { color: var(--accent-r); }

.site-nav { display: flex; align-items: center; gap: 16px; }

.lang-switch {
  font-family: var(--font-mono); font-size: 11px;
  font-weight: 500; letter-spacing: 0.08em;
  color: var(--text2) !important;
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 3px 10px; border-radius: 4px;
  text-decoration: none !important;
  transition: border-color 0.15s;
}
.lang-switch:hover { border-color: var(--border2); }

.nav-link {
  font-size: 13px; color: var(--muted) !important;
  text-decoration: none !important;
}
.nav-link:hover { color: var(--text) !important; }

.back-link {
  display: flex; align-items: center; gap: 6px;
  color: var(--text2) !important; text-decoration: none !important;
  font-size: 13px;
  transition: color 0.15s;
}
.back-link:hover { color: var(--text) !important; }
.back-arrow { font-size: 16px; line-height: 1; }

/* ===== SEARCH PAGE ===== */
.search-main {
  min-height: calc(100vh - 52px - 48px);
}

.hero-section {
  max-width: 680px; margin: 0 auto;
  padding: 72px 24px 48px;
  text-align: center;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(42px, 8vw, 72px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 14px;
}
.hero-title em {
  font-style: italic;
  color: var(--accent-r);
}

.hero-sub {
  font-size: 15px; color: var(--muted);
  margin-bottom: 40px;
}

/* Search Box */
.search-box-wrap { margin-bottom: 24px; }

.search-box {
  position: relative;
  background: var(--surface);
  border: 1.5px solid var(--border2);
  border-radius: var(--radius-lg);
  display: flex; align-items: center;
  box-shadow: var(--shadow-md);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.search-box:focus-within {
  border-color: var(--text);
  box-shadow: 0 0 0 3px rgba(26,26,24,0.06), var(--shadow-md);
}

.search-icon {
  padding: 0 16px; font-size: 20px; color: var(--muted);
  flex-shrink: 0; line-height: 1;
}

#q {
  flex: 1;
  font-family: var(--font-sans);
  font-size: 17px;
  color: var(--text);
  background: transparent;
  border: none; outline: none;
  padding: 16px 8px;
  line-height: 1.4;
}
#q::placeholder { color: var(--muted); }
#q::-webkit-search-cancel-button { display: none; }

.search-clear {
  padding: 0 16px;
  font-size: 13px; color: var(--muted);
  cursor: pointer; flex-shrink: 0;
  opacity: 0; transition: opacity 0.15s;
}
.search-clear.visible { opacity: 1; }

.search-hint { font-size: 12px; color: var(--muted); margin-top: 8px; }

/* Dataset Tabs */
.dataset-tabs {
  display: flex; gap: 8px; justify-content: center;
  flex-wrap: wrap;
}

.ds-tab {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-sans); font-size: 13px; font-weight: 500;
  color: var(--text2);
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 20px;
  padding: 7px 16px;
  cursor: pointer;
  transition: all 0.15s;
}
.ds-tab:hover { border-color: var(--text); color: var(--text); }
.ds-tab.active {
  background: var(--text);
  border-color: var(--text);
  color: white;
}
.ds-tab--dim { opacity: 0.6; }
.ds-tab--dim.active { opacity: 1; }
.ds-icon { font-size: 14px; }

/* Results */
.results-section {
  max-width: 780px; margin: 0 auto;
  padding: 0 24px 48px;
}

.results-meta {
  font-size: 12px; color: var(--muted);
  font-family: var(--font-mono);
  padding: 8px 0 16px;
}

.results-list { display: flex; flex-direction: column; gap: 6px; }

.result-card {
  display: flex; align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  text-decoration: none !important;
  color: var(--text) !important;
  transition: border-color 0.12s, box-shadow 0.12s, transform 0.1s;
  gap: 14px;
}
.result-card:hover {
  border-color: var(--border2);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.result-ds {
  font-family: var(--font-mono); font-size: 10px;
  font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 3px;
  flex-shrink: 0;
}
.result-ds--auto     { background: #eff6ff; color: #2563eb; }
.result-ds--moto     { background: #fef3c7; color: #d97706; }
.result-ds--anhaenger{ background: #f0fdf4; color: #16a34a; }
.result-ds--historic { background: #f9fafb; color: #6b7280; }

.result-body { flex: 1; min-width: 0; }
.result-name {
  font-size: 15px; font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.result-name em { font-style: normal; color: var(--text2); }
.result-meta-row {
  display: flex; gap: 12px; margin-top: 3px;
  font-size: 12px; color: var(--muted);
  font-family: var(--font-mono);
}
.result-tg   { color: var(--text2); }
.result-arrow {
  font-size: 16px; color: var(--border2);
  flex-shrink: 0; transition: color 0.12s;
}
.result-card:hover .result-arrow { color: var(--text); }

.results-more {
  text-align: center; padding-top: 24px;
}
.btn-load-more {
  font-family: var(--font-sans); font-size: 13px; font-weight: 500;
  color: var(--text2);
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 20px;
  padding: 10px 24px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-load-more:hover { border-color: var(--text); color: var(--text); }

.no-results {
  text-align: center; padding: 48px 0;
  color: var(--muted); font-size: 15px;
}

/* ===== DETAIL PAGE ===== */
.detail-main { max-width: 900px; margin: 0 auto; padding: 0 24px 80px; }

/* Hero */
.detail-hero {
  padding: 40px 0 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}
.detail-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 16px; flex-wrap: wrap;
}
.ds-badge, .tg-no-badge, .art-badge {
  font-family: var(--font-mono); font-size: 11px;
  font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 4px;
}
.ds-badge--auto     { background: #eff6ff; color: #2563eb; }
.ds-badge--moto     { background: #fef3c7; color: #d97706; }
.ds-badge--anhaenger{ background: #f0fdf4; color: #16a34a; }
.ds-badge--historic { background: #f9fafb; color: #6b7280; }
.tg-no-badge { background: var(--surface2); color: var(--text2); border: 1px solid var(--border); }
.art-badge   { background: transparent; color: var(--muted); border: 1px solid var(--border); }

.detail-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 6px;
}
.detail-title em { font-style: italic; color: var(--text2); }

.detail-variante {
  font-size: 14px; color: var(--muted);
  font-family: var(--font-mono);
  margin-bottom: 24px;
}

/* Hero Stats */
.hero-stats {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  min-width: 110px;
}
.stat-card--primary {
  background: var(--text);
  border-color: var(--text);
}
.stat-card--primary .stat-label { color: rgba(255,255,255,0.55); }
.stat-card--primary .stat-value { color: white; }
.stat-card--primary .stat-sub   { color: rgba(255,255,255,0.5); }

.stat-label  { font-size: 11px; color: var(--muted); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 4px; }
.stat-value  { font-size: 26px; font-weight: 600; line-height: 1; color: var(--text); letter-spacing: -0.03em; }
.stat-value--text { font-size: 16px; font-weight: 500; }
.stat-unit   { font-size: 13px; font-weight: 400; }
.stat-sub    { font-size: 11px; color: var(--muted); margin-top: 3px; font-family: var(--font-mono); }

.detail-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-ghost {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  color: var(--text2) !important;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 7px 14px;
  cursor: pointer; text-decoration: none !important;
  transition: all 0.15s; display: inline-block;
}
.btn-ghost:hover { border-color: var(--text); color: var(--text) !important; }

/* Tab Nav */
.detail-content { margin-top: 0; }

.tab-nav {
  display: flex; gap: 0;
  border-bottom: 1px solid var(--border);
  overflow-x: auto; scrollbar-width: none;
  position: sticky; top: 52px; z-index: 50;
  background: var(--bg);
  margin: 0 -24px; padding: 0 24px;
}
.tab-nav::-webkit-scrollbar { display: none; }

.tab-btn {
  font-family: var(--font-sans); font-size: 13px; font-weight: 400;
  color: var(--muted);
  background: none; border: none;
  border-bottom: 2px solid transparent;
  padding: 14px 16px 12px;
  margin-bottom: -1px;
  cursor: pointer; white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
}
.tab-btn:hover  { color: var(--text); }
.tab-btn.active { color: var(--text); border-bottom-color: var(--text); font-weight: 500; }

.tab-panel { display: none; padding: 28px 0; }
.tab-panel.active { display: block; }

.section-title {
  font-family: var(--font-serif);
  font-size: 22px; font-weight: 400;
  margin-bottom: 20px; color: var(--text);
}

/* KV Grid */
.kv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.kv-row {
  display: flex; align-items: baseline; gap: 12px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  transition: background 0.1s;
}
.kv-row:last-child { border-bottom: none; }
.kv-row:hover { background: var(--surface2); }
.kv-key {
  font-size: 12px; color: var(--muted);
  font-family: var(--font-mono);
  flex: 0 0 160px; flex-shrink: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.kv-val { font-size: 13px; color: var(--text); word-break: break-word; }

/* Wheels Section */
.wheels-section { display: flex; flex-direction: column; gap: 20px; }

.et-info {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.et-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  gap: 16px;
}
.et-row:last-child { border-bottom: none; }
.et-label { font-size: 13px; color: var(--muted); }
.et-value { font-size: 14px; font-family: var(--font-mono); }
.et-value strong { color: var(--text); }

/* Reifen Configs */
.reifen-configs-label {
  font-size: 12px; color: var(--muted); font-family: var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.reifen-configs { display: flex; flex-direction: column; gap: 6px; }

.reifen-config-card {
  display: flex; align-items: center; gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
}
.config-num {
  font-family: var(--font-mono); font-size: 11px;
  background: var(--surface2); color: var(--muted);
  width: 22px; height: 22px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.config-details { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 13px; }
.config-reifen { font-family: var(--font-mono); font-weight: 500; color: var(--text); }
.config-sep    { color: var(--muted); font-size: 11px; }
.config-felge  { font-family: var(--font-mono); color: var(--text2); }
.config-et     { font-family: var(--font-mono); font-size: 11px; background: #eff6ff; color: #2563eb; padding: 2px 7px; border-radius: 3px; }
.config-distanz{ font-size: 11px; color: var(--amber); }

/* Felgen Checker */
.felgen-checker {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.checker-header {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--surface2);
}
.checker-header h3 { font-size: 14px; font-weight: 600; flex: 1; }
.checker-icon { font-size: 18px; }
.checker-toggle {
  font-family: var(--font-sans); font-size: 12px; font-weight: 500;
  color: var(--text2); background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 4px; padding: 5px 12px; cursor: pointer;
  transition: all 0.15s;
}
.checker-toggle:hover { border-color: var(--text); color: var(--text); }

.checker-body { padding: 18px; }
.checker-intro { font-size: 13px; color: var(--text2); margin-bottom: 16px; }

.checker-form {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end;
  margin-bottom: 16px;
}
.checker-field { display: flex; flex-direction: column; gap: 5px; }
.checker-field label { font-size: 11px; color: var(--muted); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.06em; }
.checker-field input {
  font-family: var(--font-mono); font-size: 14px;
  color: var(--text); background: var(--bg);
  border: 1px solid var(--border2);
  border-radius: var(--radius); padding: 9px 12px;
  width: 140px; transition: border-color 0.15s;
}
.checker-field--small input { width: 90px; }
.checker-field input:focus { outline: none; border-color: var(--text); }

.btn-primary {
  font-family: var(--font-sans); font-size: 13px; font-weight: 600;
  color: white !important; background: var(--text);
  border: none; border-radius: var(--radius);
  padding: 10px 20px; cursor: pointer;
  text-decoration: none !important;
  display: inline-block;
  transition: opacity 0.15s;
}
.btn-primary:hover { opacity: 0.85; }

#checker-result { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }

.check-ok   { background: #f0fdf4; border: 1px solid #bbf7d0; color: #15803d; border-radius: var(--radius); padding: 10px 14px; font-size: 13px; display: flex; gap: 8px; align-items: flex-start; }
.check-warn { background: #fffbeb; border: 1px solid #fde68a; color: #d97706; border-radius: var(--radius); padding: 10px 14px; font-size: 13px; display: flex; gap: 8px; align-items: flex-start; }
.check-err  { background: #fef2f2; border: 1px solid #fecaca; color: #dc2626; border-radius: var(--radius); padding: 10px 14px; font-size: 13px; display: flex; gap: 8px; align-items: flex-start; }
.check-info { background: var(--surface2); border: 1px solid var(--border); color: var(--muted); border-radius: var(--radius); padding: 10px 14px; font-size: 13px; }

.checker-disclaimer { font-size: 11px; color: var(--muted); font-style: italic; line-height: 1.5; }

/* Not Found */
.not-found { text-align: center; padding: 80px 24px; }
.not-found-code { font-family: var(--font-mono); font-size: 64px; color: var(--border2); margin-bottom: 16px; }
.not-found h1 { font-family: var(--font-serif); font-size: 28px; margin-bottom: 8px; }
.not-found p  { color: var(--muted); margin-bottom: 24px; }

/* ===== FOOTER ===== */
.site-footer {
  border-top: 1px solid var(--border);
  height: 48px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px;
  font-size: 12px; color: var(--muted);
  font-family: var(--font-mono);
}
.footer-badge {
  background: var(--surface2); border: 1px solid var(--border);
  padding: 2px 10px; border-radius: 20px;
  font-size: 11px;
}

/* ===== LOADING STATES ===== */
.skeleton {
  background: linear-gradient(90deg, var(--surface2) 25%, var(--border) 50%, var(--surface2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
  border-radius: var(--radius);
}
@keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--text);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}
@keyframes spin { to{transform:rotate(360deg)} }

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .hero-section { padding: 48px 20px 32px; }
  .detail-main  { padding: 0 16px 60px; }
  .site-header  { padding: 0 16px; }
  .hero-stats   { gap: 8px; }
  .stat-card    { min-width: 90px; padding: 10px 12px; }
  .stat-value   { font-size: 22px; }
  .kv-grid      { grid-template-columns: 1fr; }
  .checker-form { flex-direction: column; }
  .checker-field input { width: 100%; }
  .checker-field--small input { width: 100%; }
  .tab-btn { padding: 12px 12px 10px; font-size: 12px; }
  .results-section { padding: 0 16px 48px; }
}