:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #2563eb;
  --shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
  --radius: 14px;
}

* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Helvetica,
    Arial,
    "Apple Color Emoji",
    "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
}

.app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
}

.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.marke {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.2px;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.navlink {
  text-decoration: none;
  color: var(--text);
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
}

.navlink:hover {
  border-color: #cbd5e1;
}

.navtrenner {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

.sidebar-fuss {
  margin-top: auto;
  color: var(--muted);
  font-size: 13px;
}

.main {
  padding: 18px;
}

.kopf {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.kopf-titel {
  font-size: 16px;
  font-weight: 750;
}

.kopf-meta {
  display: flex;
  gap: 8px;
}

.badge {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #f8fafc;
  color: var(--muted);
}

.inhalt {
  margin-top: 14px;
}

.karte {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.karte + .karte {
  margin-top: 12px;
}

.hinweis {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.form {
  display: grid;
  gap: 10px;
  max-width: 520px;
}

.label {
  font-size: 13px;
  color: var(--muted);
}

.input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  outline: none;
}

.input:focus {
  border-color: #93c5fd;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.button {
  border: 0;
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  font-weight: 650;
}

.button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.fehlermeldung {
  padding: 10px 12px;
  border-radius: 12px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  font-size: 14px;
}

.erfolgsmeldung {
  padding: 10px 12px;
  border-radius: 12px;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  font-size: 14px;
}

/* Debug Panel */
.debugpanel {
  margin-top: 14px;
  background: #0b1220;
  color: #e5e7eb;
  border-radius: var(--radius);
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: auto;
}

.debugkopf {
  font-weight: 800;
  margin-bottom: 8px;
}

.debugzeile {
  font-size: 12px;
  margin: 8px 0;
}

.debugpanel pre {
  margin: 6px 0 0 0;
  padding: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  overflow: auto;
}