/* =========================================================
   Monster White Preisvergleich – Stylesheet
   Farbschema: Schwarz / Dunkelgrau / Weiss / dezentes Grün
   ========================================================= */

:root {
  --color-bg: #0d0d0d;
  --color-bg-alt: #161616;
  --color-surface: #1c1c1c;
  --color-surface-hover: #232323;
  --color-border: #2c2c2c;
  --color-text: #f2f2f2;
  --color-text-muted: #a3a3a3;
  --color-accent: #4ee08a;      /* dezentes Grün */
  --color-accent-dim: #2f8f5c;
  --color-promo: #4ee08a;
  --color-promo-bg: rgba(78, 224, 138, 0.12);
  --color-danger: #e0574e;

  --radius: 10px;
  --shadow-card: 0 2px 10px rgba(0, 0, 0, 0.4);
  --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.55);

  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --max-width: 1180px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-base);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--color-text);
  color: var(--color-bg);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.5px;
}

.brand-text h1 {
  font-size: 1.05rem;
  margin: 0;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-sub {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.main-nav {
  display: flex;
  gap: 1.5rem;
}

.nav-link {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-link:hover { color: var(--color-accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}

/* ===== Hero ===== */
.hero {
  background: radial-gradient(circle at 20% 0%, rgba(78, 224, 138, 0.08), transparent 60%),
              var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 3rem 1.25rem 2.25rem;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin: 0 0 0.75rem;
  font-weight: 700;
  max-width: 640px;
}

.highlight { color: var(--color-accent); }

.hero p {
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0.25rem 0;
}

.last-updated {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 600;
}

/* ===== Controls ===== */
.controls {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 65px;
  z-index: 90;
}

.controls-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: end;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.control-group label { font-weight: 600; }

.search-group { flex: 1 1 240px; }

input[type="search"],
select {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
  outline: none;
  min-height: 40px;
}

input[type="search"]:focus,
select:focus {
  border-color: var(--color-accent-dim);
}

.checkbox-group {
  flex-direction: row;
  align-items: center;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text);
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
}

.checkbox-label input { accent-color: var(--color-accent); width: 16px; height: 16px; }

/* ===== Status bar ===== */
.status-bar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem 0;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* ===== Cards grid ===== */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem 3rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow-card);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-accent-dim);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.retailer-name {
  font-weight: 700;
  font-size: 1.05rem;
}

.retailer-logo {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  border: 1px solid var(--color-border);
  flex-shrink: 0;
}

.promo-badge {
  background: var(--color-promo-bg);
  color: var(--color-promo);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.unverified-badge {
  background: rgba(224, 87, 78, 0.12);
  color: var(--color-danger);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.price-current {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-text);
}

.price-old {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.price-unit {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.pack-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  border-top: 1px solid var(--color-border);
  padding-top: 0.6rem;
}

.pack-list li {
  display: flex;
  justify-content: space-between;
  color: var(--color-text-muted);
}

.pack-list li span:last-child {
  color: var(--color-text);
  font-weight: 600;
}

.promo-note {
  font-size: 0.8rem;
  color: var(--color-promo);
  background: var(--color-promo-bg);
  border-radius: 6px;
  padding: 0.5rem 0.65rem;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 0.6rem;
}

.card-link {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
}

.card-link:hover { text-decoration: underline; }

.empty-state {
  text-align: center;
  color: var(--color-text-muted);
  padding: 3rem 1rem;
}

/* ===== Info section ===== */
.info-section {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  padding: 2.5rem 1.25rem;
}

.info-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.info-inner h3 { margin-top: 0; }

.info-inner code {
  background: var(--color-surface);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

.disclaimer {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* ===== Footer ===== */
.site-footer {
  padding: 1.5rem 1.25rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  border-top: 1px solid var(--color-border);
}

/* ===== Responsive ===== */
@media (max-width: 720px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease;
  }

  .main-nav.open {
    max-height: 300px;
  }

  .main-nav .nav-link {
    padding: 0.9rem 1.25rem;
    border-top: 1px solid var(--color-border);
  }

  .nav-toggle { display: flex; }

  .header-inner { position: relative; }

  .controls { top: 62px; }

  .controls-inner { flex-direction: column; align-items: stretch; }

  .checkbox-group { justify-content: flex-start; }
}