/* ============================================
   ATH PRD-Portal - Gemeinsames Styling
   ============================================ */

:root {
  --ath-red: #e2001a;
  --bg-dark: #020617;
  --bg-dark-2: #07111f;
  --text-primary: #f9fafb;
  --text-secondary: #cbd5f5;
  --text-muted: #9ca3af;
  --border-color: rgba(148,163,184,0.45);
  --card-bg: rgba(15,23,42,0.94);
  --accent-blue: #38bdf8;
  --accent-purple: #a855f7;
  --accent-green: #22c55e;
  --accent-orange: #f97316;
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-primary);
  background:
    linear-gradient(to right, rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(135deg, var(--ath-red) 0, var(--ath-red) 260px, transparent 260px),
    radial-gradient(circle at 80% 10%, #1e293b 0, var(--bg-dark-2) 45%, var(--bg-dark) 100%);
  background-size:
    40px 40px,
    40px 40px,
    100% 200px,
    100% 100%;
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.6;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ============================================
   NAVBAR - 3-Zeilen Struktur
   ============================================ */

.navbar {
  background: rgba(2,2,2,0.95);
  display: flex;
  flex-direction: column;
  padding: 0;
  border-bottom: 1px solid #111827;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

/* Zeile 1: Brand/Logo */
.nav-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-brand a {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--ath-red);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: white;
}

.nav-brand-text {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* Zeile 2: Domain-Links */
.nav-domains {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-link {
  color: #e5e7eb;
  text-decoration: none;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 10px;
  border-radius: 6px;
  transition: background 0.2s;
  white-space: nowrap;
}

.nav-link:hover {
  background: rgba(255,255,255,0.1);
  text-decoration: none;
}

.nav-link.active {
  background: rgba(56,189,248,0.2);
  color: var(--accent-blue);
}

/* Zeile 3: Kontext-Links (optional) */
.nav-context {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 8px 16px;
  background: rgba(15,23,42,0.6);
  font-size: 11px;
}

.nav-context-label {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.nav-context .btn {
  padding: 5px 12px;
  font-size: 10px;
}

/* Legacy Support */
.navbar-left,
.navbar-right {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  max-width: 1200px;
  margin: 32px auto 8px;
  padding: 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.7);
  background: linear-gradient(to right, rgba(15,23,42,0.9), rgba(15,23,42,0.4));
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  width: fit-content;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, #bbf7d0 0, var(--accent-green) 40%, #166534 100%);
  box-shadow: 0 0 8px rgba(34,197,94,0.9);
}

.hero-title {
  font-size: 28px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.hero-sub {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 780px;
}

/* ============================================
   MAIN PANEL
   ============================================ */

.main-panel {
  position: relative;
  max-width: 1200px;
  margin: 8px auto 40px;
  padding: 16px 24px 32px;
}

.main-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  max-width: 900px;
  max-height: 520px;
  background: radial-gradient(circle at center,
            rgba(56,189,248,0.2) 0,
            transparent 65%);
  opacity: 0.9;
  filter: blur(10px);
  z-index: -1;
}

/* ============================================
   GRID LAYOUTS
   ============================================ */

.panel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
}

.panel-grid-2 {
  display: grid;
  grid-template-columns: minmax(340px, 1.5fr) minmax(280px, 1fr);
  gap: 22px;
}

.panel-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.panel-grid-4 {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 20px;
}

/* ============================================
   CARDS
   ============================================ */

.card {
  position: relative;
  background: var(--card-bg);
  border-radius: 18px;
  border: 1px solid var(--border-color);
  box-shadow:
    0 0 0 1px rgba(15,23,42,0.9),
    0 18px 45px rgba(0,0,0,0.7);
  backdrop-filter: blur(16px);
  padding: 18px 20px 22px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 0 1px rgba(15,23,42,0.9),
    0 24px 50px rgba(0,0,0,0.8);
}

.card::before {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  top: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--ath-red), var(--accent-blue), var(--accent-purple));
  opacity: 0.96;
}

.card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-top: 8px;
  margin-bottom: 6px;
}

.card-title {
  margin-top: 8px;
  margin-bottom: 4px;
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-tag {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  white-space: nowrap;
}

.card-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.card-list {
  margin: 0;
  padding-left: 18px;
  font-size: 12px;
  color: #e5e7eb;
}

.card-list li {
  margin-bottom: 4px;
}

/* Domain Card (für Landing) */
.domain-card {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.domain-card .card-icon {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.domain-card .card-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 999px;
  margin-top: 8px;
}

.domain-card .card-status.active {
  background: rgba(34,197,94,0.2);
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
}

.domain-card .card-status.planned {
  background: rgba(249,115,22,0.2);
  color: var(--accent-orange);
  border: 1px solid var(--accent-orange);
}

.domain-card .card-status.concept {
  background: rgba(56,189,248,0.2);
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue);
}

/* ============================================
   PILLS & CHIPS
   ============================================ */

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.pill {
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.8);
  padding: 2px 8px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #e5e7eb;
  background: rgba(15,23,42,0.85);
  white-space: nowrap;
}

.pill-strong {
  border-color: var(--accent-green);
  background: rgba(22,163,74,0.12);
}

.pill-ok {
  border-color: var(--accent-green);
  background: rgba(22,163,74,0.1);
}

.pill-stop {
  border-color: var(--accent-orange);
  background: rgba(248,113,113,0.1);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

.chip {
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.8);
  padding: 2px 7px;
  font-size: 10px;
  white-space: nowrap;
}

.chip-strong {
  border-color: var(--accent-green);
}

/* ============================================
   WORKFLOW TIMELINE
   ============================================ */

.workflow {
  position: relative;
  margin-top: 16px;
  padding-left: 30px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  font-size: 12px;
}

.workflow::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-blue), var(--accent-purple));
  opacity: 0.8;
}

.step {
  position: relative;
  padding-left: 10px;
}

.step-icon {
  position: absolute;
  left: -24px;
  top: 0;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, #fef3c7 0, var(--accent-orange) 45%, #b45309 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #111827;
  box-shadow: 0 0 0 3px var(--bg-dark);
}

.step-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}

.step-kurz {
  font-size: 12px;
  color: #e5e7eb;
  margin-bottom: 4px;
}

.step-detail {
  font-size: 11px;
  color: var(--text-muted);
}

/* ============================================
   STACK CARDS
   ============================================ */

.stack {
  margin-top: 14px;
  border-radius: 16px;
  border: 1px solid rgba(148,163,184,0.5);
  background: radial-gradient(circle at top left, rgba(248,250,252,0.06), rgba(15,23,42,0.95));
  padding: 10px 11px 11px;
  font-size: 12px;
}

.stack-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
}

.stack-title {
  font-size: 13px;
  font-weight: 600;
}

.stack-tag {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.stack-list {
  margin-top: 4px;
  font-size: 11px;
  color: #e5e7eb;
}

.stack-list-item {
  margin-bottom: 4px;
}

/* ============================================
   SUMMARY
   ============================================ */

.summary-note {
  margin-top: 14px;
  font-size: 11px;
  color: var(--text-secondary);
  border-top: 1px solid rgba(55,65,81,0.8);
  padding-top: 10px;
}

.summary-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  margin-top: 6px;
  font-size: 11px;
}

.summary-line-label {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 10px;
  color: var(--text-muted);
}

.summary-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  font-size: 11px;
}

.summary-flow-arrow {
  opacity: 0.8;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  border-radius: 999px;
  border: none;
  padding: 10px 20px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.1s, box-shadow 0.1s;
  text-decoration: none;
}

.btn-primary {
  background: var(--ath-red);
  color: white;
  box-shadow: 0 8px 18px rgba(220,38,38,0.55);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(220,38,38,0.7);
  text-decoration: none;
}

.btn-secondary {
  background: #0f172a;
  color: #e5e7eb;
  border: 1px solid rgba(148,163,184,0.6);
}

.btn-secondary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(15,23,42,0.9);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background: rgba(2,2,2,0.95);
  border-top: 1px solid #111827;
  padding: 20px 32px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* ============================================
   MARKDOWN CONTENT
   ============================================ */

.md-content {
  font-size: 14px;
  line-height: 1.7;
}

.md-content h1 {
  font-size: 24px;
  font-weight: 700;
  margin: 24px 0 16px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.md-content h2 {
  font-size: 18px;
  font-weight: 600;
  margin: 20px 0 12px;
  color: var(--accent-blue);
}

.md-content h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 16px 0 8px;
}

.md-content p {
  margin: 12px 0;
}

.md-content ul, .md-content ol {
  margin: 12px 0;
  padding-left: 24px;
}

.md-content li {
  margin: 6px 0;
}

.md-content code {
  background: rgba(56,189,248,0.15);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9em;
}

.md-content pre {
  background: #020617;
  border: 1px solid #111827;
  border-radius: 10px;
  padding: 16px;
  overflow-x: auto;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}

.md-content blockquote {
  border-left: 3px solid var(--accent-purple);
  padding-left: 16px;
  margin: 16px 0;
  color: var(--text-secondary);
  font-style: italic;
}

.md-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 12px;
}

.md-content th, .md-content td {
  border: 1px solid rgba(55,65,81,0.6);
  padding: 8px 12px;
  text-align: left;
}

.md-content th {
  background: #020617;
  font-weight: 600;
}

.md-content tr:nth-child(even) {
  background: rgba(15,23,42,0.5);
}

/* ============================================
   LOADING STATE
   ============================================ */

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  color: var(--text-muted);
}

.loading::after {
  content: "";
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-left: 12px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .panel-grid-2 {
    grid-template-columns: 1fr;
  }
  .panel-grid-3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 0 16px;
    flex-wrap: wrap;
    height: auto;
    padding: 12px 16px;
  }
  
  .navbar-left, .navbar-right {
    gap: 8px;
  }
  
  .nav-link {
    font-size: 11px;
    padding: 6px 8px;
  }
  
  .hero {
    padding: 12px 16px;
  }
  
  .hero-title {
    font-size: 22px;
  }
  
  .main-panel {
    padding: 12px 16px 28px;
  }
  
  .panel-grid, .panel-grid-3, .panel-grid-4 {
    grid-template-columns: 1fr;
  }
}