:root {
  --bg: #0a0a0a;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  --border: #262626;
  --text: #e5e5e5;
  --text-muted: #a3a3a3;
  --accent: #22c55e;
  --accent-dim: #16a34a;
  --accent-glow: rgba(34, 197, 94, 0.15);
  --red: #ef4444;
  --red-dim: rgba(239, 68, 68, 0.15);
  --orange: #f59e0b;
  --blue: #3b82f6;
}

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
nav {
  position: fixed; top: 0; width: 100%; z-index: 100;
  background: rgba(10,10,10,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo {
  font-weight: 800; font-size: 1.25rem;
  display: flex; align-items: center; gap: 0.5rem;
  text-decoration: none; color: var(--text);
}
.logo-icon { font-size: 1.5rem; }
.logo-text span { color: var(--accent); }
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-cta {
  background: var(--accent); color: #000 !important; padding: 0.5rem 1.25rem;
  border-radius: 8px; font-weight: 600; font-size: 0.85rem;
  text-decoration: none; transition: all 0.2s;
}
.nav-cta:hover { background: var(--accent-dim); }

/* Mobile nav toggle */
.nav-toggle {
  display: none; background: none; border: none; color: var(--text);
  font-size: 1.5rem; cursor: pointer; padding: 0.5rem;
}

/* BUTTONS */
.btn-primary {
  background: var(--accent); color: #000; padding: 0.85rem 2rem;
  border-radius: 10px; font-weight: 700; font-size: 1rem;
  text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem;
  transition: all 0.2s; border: none; cursor: pointer;
}
.btn-primary:hover { background: var(--accent-dim); transform: translateY(-1px); }
.btn-secondary {
  background: transparent; color: var(--text); padding: 0.85rem 2rem;
  border-radius: 10px; font-weight: 600; font-size: 1rem;
  text-decoration: none; border: 1px solid var(--border);
  display: inline-flex; align-items: center; gap: 0.5rem;
  transition: all 0.2s; cursor: pointer;
}
.btn-secondary:hover { border-color: var(--text-muted); background: var(--bg-card); }

/* SECTION STYLES */
.section-label {
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--accent); font-weight: 700; margin-bottom: 0.75rem;
}
.section-title {
  font-size: 2.5rem; font-weight: 800; margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.section-sub {
  color: var(--text-muted); font-size: 1.1rem; margin-bottom: 2rem;
  max-width: 600px;
}

/* PAGE CONTAINER */
.page { padding: 6rem 2rem 4rem; min-height: 100vh; }
.page-inner { max-width: 1200px; margin: 0 auto; }

/* FOOTER */
footer {
  padding: 3rem 2rem; border-top: 1px solid var(--border);
  text-align: center; color: var(--text-muted); font-size: 0.85rem;
}

/* MARKDOWN RESULT */
.result-box {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 2rem; margin-top: 2rem;
  line-height: 1.8; font-size: 0.95rem;
}
.result-box h1, .result-box h2, .result-box h3 {
  color: var(--text); margin: 1.5rem 0 0.75rem; font-weight: 700;
}
.result-box h1 { font-size: 1.4rem; }
.result-box h2 { font-size: 1.2rem; }
.result-box h3 { font-size: 1.05rem; }
.result-box p { margin-bottom: 0.75rem; color: var(--text-muted); }
.result-box strong { color: var(--text); }
.result-box ul, .result-box ol { margin: 0.5rem 0 1rem 1.5rem; color: var(--text-muted); }
.result-box li { margin-bottom: 0.4rem; }
.result-box code { background: #1f1f1f; padding: 0.15rem 0.4rem; border-radius: 4px; font-size: 0.85rem; }

/* TEXTAREA */
.big-textarea {
  width: 100%; min-height: 250px; padding: 1.25rem;
  background: #1a1a1a; border: 1px solid var(--border);
  border-radius: 12px; color: var(--text);
  font-size: 0.95rem; font-family: 'Inter', sans-serif;
  line-height: 1.6; resize: vertical;
}
.big-textarea:focus { outline: none; border-color: var(--accent); }
.big-textarea::placeholder { color: #555; }

/* LOADING */
.loading {
  display: flex; align-items: center; gap: 0.75rem;
  color: var(--text-muted); padding: 1.5rem 0;
}
.loading .spinner {
  width: 20px; height: 20px; border: 2px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* FILTER BAR */
.filter-bar {
  display: flex; gap: 1rem; flex-wrap: wrap;
  margin-bottom: 2rem; padding: 1.25rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px;
}
.filter-group { display: flex; flex-direction: column; gap: 0.35rem; }
.filter-group label { font-size: 0.75rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.filter-select, .filter-input {
  padding: 0.5rem 0.75rem; background: #1a1a1a; border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-size: 0.85rem; font-family: 'Inter', sans-serif;
  min-width: 160px;
}
.filter-select:focus, .filter-input:focus { outline: none; border-color: var(--accent); }

/* BUILDER TABLE */
.builder-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.builder-table {
  width: 100%; border-collapse: collapse;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden;
}
.builder-table th {
  background: #1a1a1a; padding: 0.85rem 1rem;
  text-align: left; font-size: 0.8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-muted); border-bottom: 1px solid var(--border);
  white-space: nowrap; cursor: pointer; user-select: none;
}
.builder-table th:hover { color: var(--accent); }
.builder-table th .sort-icon { margin-left: 0.25rem; font-size: 0.7rem; }
.builder-table td {
  padding: 0.85rem 1rem; border-bottom: 1px solid var(--border);
  font-size: 0.9rem; vertical-align: top;
}
.builder-table tr:last-child td { border-bottom: none; }
.builder-table tr:hover td { background: var(--bg-card-hover); }

/* SEGMENT BADGES */
.segment-badge {
  display: inline-block; padding: 0.15rem 0.5rem; border-radius: 100px;
  font-size: 0.75rem; font-weight: 600;
}
.segment-budget { background: rgba(34,197,94,0.15); color: #22c55e; }
.segment-einstieg { background: rgba(34,197,94,0.15); color: #22c55e; }
.segment-mittel { background: rgba(59,130,246,0.15); color: #3b82f6; }
.segment-mittel-premium { background: rgba(245,158,11,0.15); color: #f59e0b; }
.segment-premium { background: rgba(168,85,247,0.15); color: #a855f7; }

/* RATING STARS */
.rating { color: var(--orange); font-weight: 600; white-space: nowrap; }

/* BUILDER DETAIL */
.builder-strengths { color: var(--accent); font-size: 0.85rem; }
.builder-weaknesses { color: var(--red); font-size: 0.85rem; opacity: 0.85; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .section-title { font-size: 2rem; }
  .filter-bar { flex-direction: column; }
  .filter-group { width: 100%; }
  .filter-select, .filter-input { width: 100%; }
}

@media (max-width: 768px) {
  nav { padding: 0 1rem; }
  .nav-links { 
    display: none; flex-direction: column; 
    position: absolute; top: 64px; left: 0; right: 0;
    background: rgba(10,10,10,0.95); backdrop-filter: blur(20px);
    padding: 1rem; gap: 0.75rem;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .section-title { font-size: 1.75rem; }
  .section-sub { font-size: 1rem; }
  .page { padding: 5rem 1rem 3rem; }
  .result-box { padding: 1.25rem; }
  .big-textarea { min-height: 180px; font-size: 0.9rem; }
  .builder-table { font-size: 0.8rem; }
  .builder-table th, .builder-table td { padding: 0.6rem 0.75rem; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
  footer { font-size: 0.8rem; padding: 2rem 1rem; }
}

@media (max-width: 480px) {
  .section-title { font-size: 1.4rem; }
  .filter-bar { padding: 1rem; }
  .builder-table th, .builder-table td { padding: 0.5rem; font-size: 0.75rem; }
}