:root {
  /* Farbwelt der Anwendung. Alles Sichtbare hängt an diesen Werten —
     wer sie auf die eigenen Markenfarben setzt, hat das Tool umgefärbt,
     ohne eine einzige Regel weiter unten anfassen zu müssen. */

  /* Flächen */
  --bg: #f7f7f7;            /* Seitenhintergrund */
  --surface: #ffffff;      /* Karten, Formularflächen */
  --surface-alt: #fbfbfb;
  --dark: #1a1a1a;         /* dunkle Karte / Primär-Button */

  /* Linien */
  --border: #e4e4e4;
  --border-strong: #cfcfcf;

  /* Text */
  --text: #1a1a1a;         /* Überschriften, Eingaben */
  --text-muted: #54595f;   /* Fließtext */
  --text-faint: #7a7a7a;   /* Labels, Eyebrow-Zeilen */

  /* Marke: Salbei (zurückhaltend eingesetzt) */
  --accent: #62ae9d;
  --accent-dark: #428072;  /* Salbei-Ton für Text: 4,6:1 auf Weiß (WCAG AA).
                              Vorher #4e8c7e mit 3,9:1 - knapp darunter. */
  --accent-tint: rgba(98,174,157,.12);
  --accent2: #ae6262;      /* Rostrot: Warnungen, Löschen */
  --accent2-dark: #8f4c4c;

  /* Statusfarben an die Marke gekoppelt */
  --success-bg: var(--accent-tint);
  --success-text: #3a7466;  /* eigener, dunklerer Ton: das Badge steht auf der
                               Salbei-Fläche, dort wären es sonst nur 3,6:1 */
  --danger-bg: rgba(174,98,98,.10);
  --danger-text: var(--accent2-dark);
  --info-bg: var(--accent-tint);
  --info-text: var(--accent-dark);   /* Links, aktive Navigation */
  --warn-bg: #fdf5e6;
  --warn-text: #8a5a1a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}
.container { max-width: 780px; margin: 0 auto; padding: 48px 32px; }
.brand { font-size: 11px; letter-spacing: 0.25em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 8px; font-weight: 500; }
h1 { font-family: 'Cormorant Garamond', Georgia, serif; font-size: 42px; font-weight: 500; letter-spacing: -0.01em; line-height: 1.1; margin: 0 0 12px; }
h2 { font-family: 'Cormorant Garamond', Georgia, serif; font-size: 26px; font-weight: 500; margin: 0 0 8px; }
.subtitle { font-size: 15px; color: var(--text-muted); line-height: 1.6; margin: 0 0 32px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 28px; margin-bottom: 20px; }
.card.dim { opacity: 0.55; }
label { display: block; font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 6px; }
input, textarea, select {
  width: 100%; padding: 11px 14px;
  border: 1px solid var(--border-strong); border-radius: 4px;
  font-size: 14px; font-family: inherit;
  background: var(--surface-alt); color: var(--text);
  outline: none; transition: border-color 0.15s;
}
textarea {
  min-height: 200px; resize: vertical; line-height: 1.6;
  font-family: 'JetBrains Mono', 'Consolas', monospace; font-size: 13px;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint); }
.input-group { margin-bottom: 18px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
button, .btn {
  display: inline-block;
  background: transparent; color: var(--text);
  border: 1px solid var(--text); padding: 12px 24px;
  font-size: 13px; font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase; cursor: pointer; border-radius: 4px;
  font-family: inherit; transition: all 0.15s; text-decoration: none;
}
button:hover:not(:disabled), .btn:hover { background: var(--text); color: var(--surface); }
button:disabled { opacity: 0.4; cursor: not-allowed; }
button.primary, .btn.primary { background: var(--text); color: var(--surface); border-color: var(--text); }
button.primary:hover, .btn.primary:hover { opacity: 0.85; }
button.danger { color: var(--danger-text); border-color: var(--danger-text); }
button.danger:hover { background: var(--danger-text); color: var(--surface); }
button.link, .btn.link {
  background: transparent; border: none; color: var(--text-muted);
  padding: 0; text-transform: none; letter-spacing: normal; font-weight: normal;
}
button.link:hover, .btn.link:hover { background: transparent; color: var(--text); text-decoration: underline; }
hr { border: 0; border-top: 1px solid var(--border); margin: 28px 0; }
.badge {
  display: inline-block; padding: 4px 10px;
  font-size: 10px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; border-radius: 3px;
}
.badge.signed { background: var(--success-bg); color: var(--success-text); }
.badge.pending { background: var(--border); color: var(--text-muted); }
.nav-crumbs {
  display: flex; gap: 8px; align-items: center;
  font-size: 12px; color: var(--text-muted); margin-bottom: 16px; flex-wrap: wrap;
}
.nav-crumbs a {
  color: var(--info-text); font-size: 12px;
  text-decoration: underline; cursor: pointer;
}
.sig-wrap {
  position: relative; border: 1.5px dashed var(--text-faint);
  /* bewusst nicht --border-strong: auf dem hellen Grund kam der Rahmen nur auf
     1,5:1 und war kaum zu sehen - ausgerechnet das Feld, in dem unterschrieben
     werden soll. Mit --text-faint sind es 4,1:1. */
  border-radius: 4px; background: var(--surface-alt);
  height: 180px; overflow: hidden;
}
canvas { width: 100%; height: 100%; cursor: crosshair; touch-action: none; display: block; }
.sig-hint {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%); pointer-events: none;
  color: var(--text-faint); font-size: 13px; font-style: italic; letter-spacing: 0.05em;
}
.error-msg {
  display: none; margin-top: 14px; padding: 12px 14px;
  background: var(--danger-bg); color: var(--danger-text);
  border-radius: 4px; font-size: 13px;
}
.error-msg.show { display: block; }
.success-msg {
  margin-top: 14px; padding: 12px 14px;
  background: var(--success-bg); color: var(--success-text);
  border-radius: 4px; font-size: 13px;
}
.info-banner {
  background: var(--info-bg); border-left: 3px solid var(--accent);
  border-radius: 4px; padding: 14px 18px; margin-bottom: 24px;
  font-size: 13px; color: var(--text-muted); line-height: 1.6;
}
.center-text { text-align: center; color: var(--text-muted); font-style: italic; }
.full { width: 100%; margin-top: 24px; padding: 14px; }
.ws-meta { font-size: 13px; color: var(--text-muted); }
.pl-row { display: flex; justify-content: space-between; padding: 10px 0; font-size: 13px; }
.pl-row + .pl-row { border-top: 1px solid var(--border); }
.button-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.hint-box {
  background: var(--surface-alt); border: 1px solid var(--border);
  border-radius: 6px; padding: 20px; margin-top: 24px;
  font-size: 13px; color: var(--text-muted);
}
.hint-box ol { margin: 8px 0 0; padding-left: 20px; }
.hint-title {
  font-size: 11px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 8px;
}
.placeholder-chip {
  display: inline-block; padding: 2px 8px;
  background: var(--warn-bg); color: var(--warn-text);
  border-radius: 3px; font-family: 'JetBrains Mono', monospace;
  font-size: 12px; margin: 2px; cursor: pointer;
}
.top-bar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 16px; gap: 16px; flex-wrap: wrap;
}
.helper-text { font-size: 12px; color: var(--text-muted); margin-top: 4px; line-height: 1.5; }
.link-display {
  background: var(--surface-alt); border: 1px solid var(--border-strong);
  border-radius: 4px; padding: 12px 14px; font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--text); word-break: break-all;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.link-display button {
  font-size: 11px; padding: 6px 12px; margin: 0; white-space: nowrap;
}
.admin-nav {
  background: var(--surface); border-bottom: 1px solid var(--border);
  padding: 14px 32px; display: flex; justify-content: space-between; align-items: center;
}
.admin-nav-links { display: flex; gap: 24px; align-items: center; }
.admin-nav-links a {
  color: var(--text-muted); text-decoration: none; font-size: 13px;
}
.admin-nav-links a:hover { color: var(--text); }
.admin-nav-links a.active { color: var(--accent-dark); }
.admin-nav-brand {
  font-family: 'Cormorant Garamond', serif; font-size: 18px;
  font-weight: 500; color: var(--text);
}
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 14px; text-align: left; font-size: 14px; }
th {
  font-size: 11px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
td { border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
.pdf-link {
  color: var(--info-text); text-decoration: none;
  font-size: 12px; margin-left: 8px;
}
.pdf-link:hover { text-decoration: underline; }
@media (max-width: 600px) {
  .container { padding: 24px 16px; }
  h1 { font-size: 32px; }
  .row { grid-template-columns: 1fr; }
}