/* ==========
   Basis-Setup
   ========== */
:root {
  --primary: #007bff;
  --primary-dark: #0056b3;
  --success: #2ecc71;
  --warning: #e67e22;
  --error: #e74c3c;
  --neutral: #95a5a6;
  --bg-light: #f5f6fa;
  --bg-white: #ffffff;
  --text-dark: #333;
  --text-light: #666;
  --radius: 12px;
  --shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
  --transition: 0.3s ease;
}

body {
  font-family: "Inter", Arial, sans-serif;
  color: var(--text-dark);
  background: var(--bg-light);
  line-height: 1.5;
  margin: 0;
  padding: 0;
  animation: fadeIn 0.6s ease;
}

h1, h2, h3 {
  font-family: "Roboto Slab", serif;
  color: #222;
  margin: 0 0 15px;
}

/* ==========
   Container oben fixieren
   ========== */
#top-container {
  position: sticky;
  top: 0;
  background: #fff;
  padding: 12px 20px;
  z-index: 1000;
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* ==========
   Level-Boxen
   ========== */
.level-box {
  border: 1px solid #ddd;
  padding: 20px;
  margin: 20px 0;
  background-color: var(--bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  opacity: 0;
  transition: var(--transition), transform 0.2s ease;
  position: relative;
}

.level-box.visible {
  opacity: 1;
}

.level-box:hover {
  transform: translateY(-3px);
}

/* ==========
   Klauseln / Resolventen
   ========== */
.clauses {
  color: rgb(88, 208, 255);
  font-weight: bold;
  margin-bottom: 40px;
}

.clause.highlight {
  color: var(--primary-dark);
  background-color: var(--bg-white);
  font-weight: bold;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  transition: var(--transition);
  /*padding: 4px 6px;*/
}

.new-resolvent {
  color: var(--success);
  font-weight: bold;
  margin-top: 10px;
}

.no-new {
  color: var(--error);
  font-weight: bold;
  margin-top: 10px;
}

/* ==========
   Schritte / Statusfarben
   ========== */
.step {
  opacity: 0;
  transition: opacity 0.5s ease;
}

.step.visible {
  opacity: 1;
}

.step.cut_new {
  color: var(--success);
  font-weight: bold;
}

.step.no_cut {
  color: var(--warning);
  font-style: italic;
}

.step.cut_known {
  color: var(--neutral);
  font-style: italic;
}

/* ==========
   Buttons
   ========== */
.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 18px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.2s, background 0.3s;
}

.btn:disabled {
  background: var(--neutral);
  cursor: not-allowed;
  box-shadow: none;
}

.btn:hover:enabled {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #006ae6, #004494);
}

/* ==========
   Pfeile / SVG
   ========== */
.arrow-svg {
  stroke: black;
}

/* ==========
   Animationen
   ========== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}