/* ===== LAYOUT ===== */

body {
  display: flex;
  flex-direction: column;
  height: 100vh;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

/* ===== HEADER (gleicher Stil wie .section auf index.html) ===== */

.calib-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.calib-topbar a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  border: 1px solid #334155;
  border-radius: 6px;
  padding: 6px 14px;
  transition: border-color 0.2s, color 0.2s;
}

.calib-topbar a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.calib-topbar h1 {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--accent);
}

/* ===== BODY: SIDEBAR + CONTENT ===== */

.calib-body {
  display: flex;
  flex: 1;
  overflow: hidden;
  padding: 16px;
  gap: 0;
}

/* ===== LESEZEICHEN-TABS LINKS ===== */

.tab-sidebar {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex-shrink: 0;
  width: 148px;
}

.tab-btn {
  background: #0e1a2b;
  border: 1px solid #1f2937;
  border-right: none;
  border-radius: 6px 0 0 6px;
  padding: 11px 16px;
  color: var(--muted);
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text);
  background: #132c44;
  border-color: #334155;
}

.tab-btn.active {
  color: var(--accent);
  background: var(--panel);       /* gleiche Farbe wie Content-Area */
  border-color: #334155;
  border-right: none;
  border-left: 3px solid var(--accent);
  padding-left: 13px;             /* kompensiert den dickeren linken Rand */
  margin-right: -1px;             /* überlappt 1px ins Panel → kein Zoom-Spalt */
  z-index: 1;
}

/* ===== CONTENT AREA ===== */

.tab-content {
  flex: 1;
  background: var(--panel);
  border: 1px solid #334155;
  border-left: none;           /* kein Rahmen zur Tab-Seite → kein optischer Unterbruch */
  border-radius: 8px;          /* alle vier Ecken rund */
  overflow-y: auto;
  padding: 20px 24px;
}

/* ===== TAB PANELS ===== */

.tab-panel        { display: none; }
.tab-panel.active { display: block; }

/* ===== SECTION OVERRIDE: kein äusserer Rand in der Content-Area ===== */

.tab-content .section {
  background: #0e1a2b;
}

/* ===== PLACEHOLDER NOTE ===== */

.placeholder-note {
  margin-top: 14px;
  padding: 14px 18px;
  background: #0b1220;
  border: 1px dashed #334155;
  border-radius: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

/* ===== STATUS BADGE ===== */

.status-badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  background: #1e293b;
  color: var(--muted);
  margin-left: 8px;
  vertical-align: middle;
  font-weight: normal;
}
.status-badge.open { color: #f59e0b; }
.status-badge.done { color: #34d399; background: #064e3b; }
.status-badge.wip  { color: #60a5fa; }

/* ===== INFO GRID ===== */

.info-grid {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 6px 12px;
  margin-top: 14px;
  font-size: 13px;
}

.info-label {
  color: var(--muted);
}

.info-value {
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* Buttons: aktiv vs. deaktiviert visuell unterscheiden */
.controls button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}