/* ============================================================
   un-kraut.space — "Pixel Wildwuchs" Design System
   
   Designphilosophie:
   Organische Wildwuchs-Ästhetik trifft 8-Bit-Retro.
   Dunkle Erdtöne als Basis, knalliges Pixel-Grün als Akzent.
   Alles wächst, nichts ist perfekt — das ist Programm.
   ============================================================ */

/* --- Google Fonts Import ---
   "Press Start 2P": Pixel-Font für Überschriften (8-Bit-Feeling)
   "IBM Plex Mono":  Monospace für Fließtext (lesbar, technisch, passt zum Lab-Charakter)
*/
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,300;0,400;0,500;0,600;1,400&family=Press+Start+2P&display=swap');

/* --- CSS Custom Properties (Variablen) ---
   Alle Farben und Abstände zentral definiert.
   Warum? Wenn du später eine Farbe ändern willst, änderst du sie
   an EINER Stelle und die ganze Site passt sich an.
*/
:root {
  /* Erdige Basis */
  --bg-deep:       #080c08;       /* Tiefster Hintergrund — fast schwarz, leicht grünstichig */
  --bg-soil:       #0f1a0f;       /* "Erdboden" — Haupthintergrund */
  --bg-moss:       #1a2e1a;       /* Moos-Ebene — für Cards, hervorgehobene Bereiche */
  --bg-leaf:       #243524;       /* Blatt-Ebene — Hover-States, aktive Elemente */
  
  /* Grüntöne — vom gedämpften Waldgrün bis zum leuchtenden Pixel-Grün */
  --green-dark:    #2d5a1e;       /* Dunkles Waldgrün */
  --green-mid:     #4a7c3f;       /* Mittleres Naturgrün */
  --green-bright:  #6abf4b;       /* Leuchtendes Grün — primäre Akzentfarbe */
  --green-pixel:   #8ae65c;       /* Pixel-Grün — für interaktive Elemente */
  --green-glow:    #b8ff8a;       /* Leucht-Grün — Hover, Glow-Effekte */
  
  /* Erdtöne */
  --brown-dark:    #3d2b1f;       /* Dunkle Erde */
  --brown-mid:     #6b4c3b;       /* Mittlere Erde */
  --brown-light:   #a67c5a;       /* Helle Erde — für dezente Akzente */
  
  /* Text */
  --text-primary:  #d4cfba;       /* Haupttext — warmes Off-White, wie altes Papier */
  --text-muted:    #8a8570;       /* Gedämpfter Text — Datums, Meta-Info */
  --text-bright:   #f0ebda;       /* Heller Text — Überschriften */
  
  /* Pixel-Art-Farben für den Garten */
  --pixel-stem:    #3d8b37;
  --pixel-leaf:    #5cb85c;
  --pixel-flower:  #f0c040;
  --pixel-berry:   #c0392b;
  --pixel-violet:  #9b59b6;
  
  /* Layout */
  --content-width: 800px;
  --spacing-unit:  8px;           /* Basis-Einheit: alles ist ein Vielfaches von 8px (Pixel-Grid!) */
  
  /* Übergang */
  --transition:    0.2s ease;
}

/* --- CSS Reset ---
   Entfernt browsereigene Abstände und setzt box-sizing auf border-box.
   border-box heißt: Padding und Border werden IN die Breite eingerechnet,
   nicht drauf addiert. Spart endlose Rechnerei.
*/
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* --- Basis-Elemente --- */
html {
  font-size: 16px;               /* 1rem = 16px — Basis für alle rem-Angaben */
  scroll-behavior: smooth;       /* Sanftes Scrollen bei Anker-Links */
}

body {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 400;
  line-height: 1.7;              /* Großzügiger Zeilenabstand für Lesbarkeit */
  color: var(--text-primary);
  background-color: var(--bg-deep);
  min-height: 100vh;
  
  /* Subtiles Rauschen als Hintergrundtextur — erzeugt organisches Gefühl.
     Wird via CSS-Gradient simuliert, braucht kein Bild. */
  background-image: 
    radial-gradient(ellipse at 20% 50%, rgba(42, 90, 30, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(42, 90, 30, 0.05) 0%, transparent 40%),
    radial-gradient(ellipse at 50% 80%, rgba(60, 40, 20, 0.06) 0%, transparent 40%);
}

/* --- Pixel-Rahmen ---
   Wiederverwendbare Klasse für den charakteristischen 8-Bit-Rahmen.
   Nutzt box-shadow statt border für den gestuften Pixel-Look.
*/
.pixel-border {
  border: 3px solid var(--green-mid);
  box-shadow: 
    3px 3px 0 0 var(--green-dark),       /* Rechts + unten: dunkler Schatten */
    -1px -1px 0 0 var(--green-bright);    /* Links + oben: heller Glanz */
}

/* --- Navigation --- */
.site-nav {
  background: var(--bg-soil);
  border-bottom: 3px solid var(--green-dark);
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
  position: sticky;              /* Bleibt oben kleben beim Scrollen */
  top: 0;
  z-index: 100;                  /* Über allem anderen */
}

.nav-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: calc(var(--spacing-unit) * 2);
}

.site-logo {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.85rem;
  color: var(--green-pixel);
  text-decoration: none;
  letter-spacing: 1px;
  transition: color var(--transition);
}

.site-logo:hover {
  color: var(--green-glow);
  text-shadow: 0 0 12px rgba(138, 230, 92, 0.5);   /* Pixel-Glow-Effekt */
}

/* Pixel-Cursor: kleines grünes Quadrat blinkt vor dem Logo */
.site-logo::before {
  content: '▌';
  animation: blink 1s step-end infinite;   /* step-end = keine Überblendung, harter Wechsel (8-Bit!) */
  margin-right: 4px;
  color: var(--green-glow);
}

@keyframes blink {
  50% { opacity: 0; }
}

.nav-links {
  display: flex;
  gap: calc(var(--spacing-unit) * 3);
  list-style: none;              /* Entfernt die Aufzählungspunkte */
}

.nav-links a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: color var(--transition);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--green-bright);
}

/* Unterstrich-Animation bei Hover */
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--green-pixel);
  transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* --- Hauptinhalt --- */
main {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: calc(var(--spacing-unit) * 5) calc(var(--spacing-unit) * 3);
}

/* --- Typografie --- */
h1, h2, h3 {
  font-family: 'Press Start 2P', monospace;
  color: var(--text-bright);
  line-height: 1.4;
}

h1 {
  font-size: 1.1rem;
  margin-bottom: calc(var(--spacing-unit) * 3);
  color: var(--green-pixel);
  /* Pixel-typischer Text-Schatten */
  text-shadow: 2px 2px 0 var(--green-dark);
}

h2 {
  font-size: 0.85rem;
  margin-bottom: calc(var(--spacing-unit) * 2);
  color: var(--green-bright);
}

h3 {
  font-size: 0.75rem;
  margin-bottom: calc(var(--spacing-unit) * 1.5);
}

p {
  margin-bottom: calc(var(--spacing-unit) * 2);
}

a {
  color: var(--green-bright);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--green-glow);
}

/* --- Hero Section (Landing Page) --- */
.hero {
  text-align: center;
  padding: calc(var(--spacing-unit) * 8) 0;
  position: relative;
}

.hero-title {
  font-family: 'Press Start 2P', monospace;
  font-size: 1.4rem;
  color: var(--green-glow);
  text-shadow: 3px 3px 0 var(--green-dark), 0 0 20px rgba(138, 230, 92, 0.3);
  margin-bottom: calc(var(--spacing-unit) * 3);
  line-height: 1.8;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto calc(var(--spacing-unit) * 5);
  font-style: italic;
}

/* Dekorative Pixel-Pflanze im Hero */
.hero-pixel-plant {
  margin: calc(var(--spacing-unit) * 4) auto;
  width: 80px;
  height: 80px;
  image-rendering: pixelated;    /* Verhindert Weichzeichnung bei Skalierung — bleibt scharf-pixelig */
}

/* --- Section Cards --- */
.section-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: calc(var(--spacing-unit) * 3);
  margin-top: calc(var(--spacing-unit) * 4);
}

.card {
  background: var(--bg-moss);
  padding: calc(var(--spacing-unit) * 3);
  border: 2px solid var(--green-dark);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: var(--green-mid);
  background: var(--bg-leaf);
  transform: translateY(-2px);
}

.card-icon {
  font-size: 1.8rem;
  margin-bottom: calc(var(--spacing-unit) * 1.5);
  display: block;
}

.card h2 {
  margin-bottom: calc(var(--spacing-unit) * 1);
}

.card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.card-link {
  display: inline-block;
  margin-top: calc(var(--spacing-unit) * 2);
  font-family: 'Press Start 2P', monospace;
  font-size: 0.6rem;
  color: var(--green-pixel);
  letter-spacing: 1px;
}

.card-link:hover {
  color: var(--green-glow);
}

.card-link::after {
  content: ' →';
}

/* --- Blog Listing --- */
.blog-list {
  list-style: none;
}

.blog-item {
  padding: calc(var(--spacing-unit) * 3) 0;
  border-bottom: 1px solid var(--bg-moss);
  transition: background var(--transition);
}

.blog-item:hover {
  background: rgba(26, 46, 26, 0.3);
  padding-left: calc(var(--spacing-unit) * 2);
}

.blog-item a {
  text-decoration: none;
  display: block;
}

.blog-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;   /* Ziffern gleich breit — Datumsangaben stehen sauber untereinander */
  margin-bottom: calc(var(--spacing-unit) * 0.5);
}

.blog-title {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.7rem;
  color: var(--green-bright);
  margin-bottom: calc(var(--spacing-unit) * 1);
  line-height: 1.6;
}

.blog-teaser {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* --- Blog Post (Einzelseite) --- */
.post-header {
  margin-bottom: calc(var(--spacing-unit) * 4);
  padding-bottom: calc(var(--spacing-unit) * 3);
  border-bottom: 2px solid var(--green-dark);
}

.post-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.post-content {
  font-size: 0.95rem;
  line-height: 1.8;
}

.post-content h2 {
  margin-top: calc(var(--spacing-unit) * 4);
}

.post-content code {
  background: var(--bg-moss);
  padding: 2px 6px;
  border: 1px solid var(--green-dark);
  font-size: 0.85em;
  color: var(--green-pixel);
}

.post-content pre {
  background: var(--bg-soil);
  border: 2px solid var(--green-dark);
  padding: calc(var(--spacing-unit) * 2);
  overflow-x: auto;
  margin: calc(var(--spacing-unit) * 2) 0;
}

.post-content pre code {
  background: none;
  border: none;
  padding: 0;
}

.post-content blockquote {
  border-left: 3px solid var(--green-mid);
  padding-left: calc(var(--spacing-unit) * 2);
  color: var(--text-muted);
  font-style: italic;
  margin: calc(var(--spacing-unit) * 2) 0;
}

.post-content img {
  max-width: 100%;
  height: auto;
  border: 2px solid var(--green-dark);
  margin: calc(var(--spacing-unit) * 2) 0;
}

.back-link {
  display: inline-block;
  margin-top: calc(var(--spacing-unit) * 4);
  font-family: 'Press Start 2P', monospace;
  font-size: 0.6rem;
  color: var(--green-mid);
}

.back-link::before {
  content: '← ';
}

/* --- Garden --- */
.garden-intro {
  text-align: center;
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.garden-intro p {
  color: var(--text-muted);
  max-width: 600px;
  margin: calc(var(--spacing-unit) * 1) auto;
}

.garden-stats {
  display: flex;
  justify-content: center;
  gap: calc(var(--spacing-unit) * 4);
  margin: calc(var(--spacing-unit) * 3) 0;
  font-family: 'Press Start 2P', monospace;
  font-size: 0.6rem;
}

.garden-stats .stat-value {
  color: var(--green-pixel);
  font-size: 1rem;
  display: block;
  margin-bottom: 4px;
}

.garden-stats .stat-label {
  color: var(--text-muted);
}

/* Pflanzauswahl */
.plant-picker {
  display: flex;
  justify-content: center;
  gap: calc(var(--spacing-unit) * 2);
  margin: calc(var(--spacing-unit) * 3) 0;
  flex-wrap: wrap;
}

.plant-option {
  width: 56px;
  height: 56px;
  background: var(--bg-moss);
  border: 2px solid var(--green-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  image-rendering: pixelated;
  font-size: 1.5rem;
}

.plant-option:hover {
  border-color: var(--green-bright);
  transform: scale(1.1);
}

.plant-option.selected {
  border-color: var(--green-glow);
  background: var(--bg-leaf);
  box-shadow: 0 0 12px rgba(138, 230, 92, 0.3);
}

/* Garten-Grid */
.garden-grid-container {
  margin: calc(var(--spacing-unit) * 3) auto;
  max-width: 100%;
  overflow: hidden;
  border: 3px solid var(--green-dark);
  background: var(--bg-soil);
  position: relative;
}

.garden-grid {
  display: grid;
  grid-template-columns: repeat(20, 1fr);
  gap: 1px;
  background: var(--bg-deep);
  aspect-ratio: 2 / 1;
}

.garden-cell {
  background: var(--bg-soil);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: background var(--transition);
  image-rendering: pixelated;
  position: relative;
  min-height: 28px;
}

.garden-cell:hover {
  background: var(--bg-moss);
}

.garden-cell.planted {
  cursor: default;
  animation: sprout 0.4s ease-out;
}

@keyframes sprout {
  0% { transform: scale(0) translateY(10px); }
  60% { transform: scale(1.2) translateY(-2px); }
  100% { transform: scale(1) translateY(0); }
}

.garden-cell .plant-tooltip {
  display: none;
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-deep);
  border: 1px solid var(--green-mid);
  padding: 4px 8px;
  font-size: 0.65rem;
  color: var(--text-muted);
  white-space: nowrap;
  z-index: 10;
  pointer-events: none;
}

.garden-cell:hover .plant-tooltip {
  display: block;
}

/* Pflanz-Dialog */
.plant-dialog {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(8, 12, 8, 0.85);
  z-index: 200;
  align-items: center;
  justify-content: center;
}

.plant-dialog.open {
  display: flex;
}

.plant-dialog-inner {
  background: var(--bg-moss);
  border: 3px solid var(--green-mid);
  padding: calc(var(--spacing-unit) * 4);
  max-width: 380px;
  width: 90%;
  box-shadow: 4px 4px 0 0 var(--green-dark);
}

.plant-dialog-inner h3 {
  text-align: center;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.plant-dialog-inner label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: calc(var(--spacing-unit) * 0.5);
  margin-top: calc(var(--spacing-unit) * 1.5);
}

.plant-dialog-inner input[type="text"] {
  width: 100%;
  background: var(--bg-soil);
  border: 2px solid var(--green-dark);
  color: var(--text-primary);
  padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 1.5);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
}

.plant-dialog-inner input[type="text"]:focus {
  outline: none;
  border-color: var(--green-bright);
}

.dialog-buttons {
  display: flex;
  gap: calc(var(--spacing-unit) * 2);
  margin-top: calc(var(--spacing-unit) * 3);
}

.btn {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.55rem;
  padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 2);
  border: 2px solid var(--green-mid);
  cursor: pointer;
  transition: all var(--transition);
  flex: 1;
  text-align: center;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--green-dark);
  color: var(--green-glow);
}

.btn-primary:hover {
  background: var(--green-mid);
}

.btn-secondary {
  background: var(--bg-soil);
  color: var(--text-muted);
}

.btn-secondary:hover {
  background: var(--bg-moss);
  color: var(--text-primary);
}

/* Cooldown-Hinweis */
.garden-cooldown {
  text-align: center;
  padding: calc(var(--spacing-unit) * 2);
  color: var(--brown-light);
  font-size: 0.8rem;
  font-style: italic;
}

/* Status-Meldung */
.garden-status {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: calc(var(--spacing-unit) * 2);
  min-height: 1.5em;
}

.garden-status.error {
  color: var(--pixel-berry);
}

.garden-status.success {
  color: var(--green-pixel);
}

/* --- Footer --- */
.site-footer {
  text-align: center;
  padding: calc(var(--spacing-unit) * 5) calc(var(--spacing-unit) * 3);
  border-top: 2px solid var(--bg-moss);
  margin-top: calc(var(--spacing-unit) * 6);
  color: var(--text-muted);
  font-size: 0.75rem;
}

.footer-pixel {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.5rem;
  color: var(--green-dark);
  margin-top: calc(var(--spacing-unit) * 1);
  letter-spacing: 2px;
}

/* --- Responsive --- */
@media (max-width: 600px) {
  .hero-title {
    font-size: 0.95rem;
  }
  
  h1 { font-size: 0.85rem; }
  
  .nav-inner {
    flex-direction: column;
    text-align: center;
  }
  
  .garden-grid {
    grid-template-columns: repeat(12, 1fr);
  }
  
  .section-cards {
    grid-template-columns: 1fr;
  }
  
  .garden-stats {
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 2);
  }
}

/* --- Utility / Loading --- */
.loading {
  text-align: center;
  color: var(--text-muted);
  padding: calc(var(--spacing-unit) * 4);
  font-style: italic;
}

.loading::after {
  content: '';
  animation: dots 1.5s steps(3) infinite;
}

@keyframes dots {
  0%   { content: '.'; }
  33%  { content: '..'; }
  66%  { content: '...'; }
}

/* Honeypot — für Bot-Schutz beim Garten */
.ht-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  pointer-events: none;
  tab-index: -1;
}