/* PlanCheck TGA - schlichtes, ruhiges Design. */

:root {
  --bg: #f1f5f9;             /* kühles Hellgrau-Blau */
  --surface: #ffffff;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text: #0f172a;           /* sehr dunkles Slate */
  --muted: #64748b;          /* mittleres Slate */
  --muted-soft: #94a3b8;
  --accent: #2563eb;         /* klares Blau */
  --accent-hover: #1d4ed8;
  --critical: #dc2626;       /* kräftiges Rot */
  --critical-bg: #fee2e2;
  --warning: #d97706;        /* Bernstein */
  --warning-bg: #fef3c7;
  --info: #0891b2;           /* Teal */
  --info-bg: #cffafe;
  --radius: 5px;
  --header-h: 56px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

html { height: auto; min-height: 100%; }
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

button { font: inherit; }

/* ---------- Header ---------- */

.page-header {
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header-inner {
  width: 100%;
  padding: 0 18px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand h1 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.subtitle {
  margin: 0;
  color: var(--muted-soft);
  font-size: 0.74rem;
}

/* ---------- Layout ---------- */

.main-grid {
  display: grid;
  grid-template-columns: 380px 1fr 420px;
  flex: 1 0 auto;
  min-height: calc(100vh - var(--header-h));
  overflow: visible;
}

.sidebar,
.findings-panel {
  overflow: visible;
  padding: 16px 18px;
  background: var(--surface);
}

.sidebar { border-right: 1px solid var(--border); }
.findings-panel { border-left: 1px solid var(--border); }

@media (max-width: 1300px) {
  .main-grid { grid-template-columns: 320px 1fr 360px; }
}
@media (max-width: 900px) {
  .main-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
    overflow: auto;
  }
  html, body { overflow: auto; }
  .sidebar, .findings-panel { overflow: visible; max-height: none; }
  .viewer-window { min-height: 50vh; }
}

/* ---------- Sidebar-Sektionen ---------- */

.sb-section {
  padding: 14px 0;
  border-top: 1px solid var(--border);
}
.sb-section:first-child {
  border-top: none;
  padding-top: 0;
}

.sb-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.sb-section h2 {
  margin: 0 0 8px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.sb-hint {
  font-size: 0.72rem;
  color: var(--muted-soft);
  margin-bottom: 8px;
}
.sb-hint:empty { display: none; }
.sb-hint--warn {
  color: var(--critical);
  font-weight: 600;
}

.sb-note {
  font-size: 0.72rem;
  color: var(--muted-soft);
  margin-top: 8px;
  margin-bottom: 0;
  line-height: 1.4;
  font-style: italic;
}

.muted { color: var(--muted); }
.muted-soft { color: var(--muted-soft); }

/* ---------- Upload ---------- */

.sb-plan { padding-top: 4px; }

.upload {
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 26px 16px 22px;
  text-align: center;
  background: #f8fafc;
  transition: border-color 0.15s ease, background 0.15s ease;
  font-size: 0.86rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.upload:hover {
  border-color: var(--accent);
  background: #eff6ff;
}
.upload.dragover {
  border-color: var(--accent);
  background: #dbeafe;
}

.upload-plus {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: #fff;
  color: var(--accent);
  font-size: 36px;
  font-weight: 300;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin: 0;
  transition: background 0.15s, color 0.15s, transform 0.1s;
}
.upload-plus:hover {
  background: var(--accent);
  color: #fff;
}
.upload-plus:active {
  transform: scale(0.95);
}
.upload-plus span {
  display: block;
  margin-top: -3px;        /* optisch zentriertes "+" */
}

.upload-text {
  margin: 0;
  color: var(--muted);
}

.upload-meta {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text);
  font-weight: 500;
  word-break: break-all;
}
.upload-meta:empty { display: none; }

/* Prüfen-Button direkt unter dem Upload */
.run-btn {
  margin-top: 12px;
  width: 100%;
  padding: 10px 14px;
  font-size: 0.95rem;
  font-weight: 600;
}
.run-btn:disabled {
  cursor: not-allowed;
}
.run-hint {
  margin: 8px 0 0;
  padding: 6px 10px;
  font-size: 0.78rem;
  text-align: center;
  border-radius: var(--radius);
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  min-height: 1.1em;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
.run-hint:empty { display: none; }
.run-hint.error {
  color: var(--critical);
  background: var(--critical-bg);
  border-color: var(--critical);
  font-weight: 600;
}
.run-hint.success {
  color: var(--accent);
  background: #e8f0ec;
  border-color: var(--accent);
  font-weight: 600;
}

.link-button {
  background: none; border: none; padding: 0;
  color: var(--accent); text-decoration: underline; cursor: pointer; font: inherit;
}
.link-button:hover { color: var(--accent-hover); }

/* ---------- Plankopf-Datenliste ---------- */

.data-list {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 6px 10px;
  margin: 0;
  align-items: start;
}
.data-list dt {
  margin: 0;
  padding-top: 6px;
  font-size: 0.78rem;
  color: var(--muted);
}
.data-list dd { margin: 0; }
.data-list input,
.data-list textarea {
  width: 100%;
  border: 1px solid transparent;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  padding: 5px 0;
  background: transparent;
  font: inherit;
  color: var(--text);
}
.data-list input::placeholder,
.data-list textarea::placeholder { color: var(--muted-soft); }
.data-list input:hover,
.data-list textarea:hover { border-bottom-color: var(--border-strong); }
.data-list input:focus,
.data-list textarea:focus {
  outline: none;
  border-bottom-color: var(--accent);
  background: #f8fafc;
}
.data-list textarea {
  resize: vertical;
  min-height: 28px;
}

.data-list.auto-filled input,
.data-list.auto-filled textarea {
  background: #eff6ff;
}

/* ---------- Chips: 3er-Raster, leicht abgerundete Ecken ---------- */

.chip-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.chip {
  border: 1px solid var(--border-strong);
  background: #fff;
  color: var(--text);
  padding: 7px 8px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.78rem;
  line-height: 1.25;
  text-align: center;
  white-space: normal;
  word-break: break-word;
  min-height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
.chip:hover { border-color: var(--accent); }
.chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ---------- Buttons ---------- */

button.primary,
button.secondary {
  padding: 7px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
  font-size: 0.88rem;
}
button.primary {
  background: var(--accent);
  color: #fff;
}
button.primary:hover:not(:disabled) { background: var(--accent-hover); }
button.primary:disabled { opacity: 0.5; cursor: not-allowed; }

button.secondary {
  background: #fff;
  border-color: var(--border-strong);
  color: var(--text);
}
button.secondary:hover { border-color: var(--accent); color: var(--accent); }

.status-text {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  min-height: 1.1em;
}
.status-text.error { color: var(--critical); }

/* ---------- Mittelspalte: Plan-Viewer + Mitteilung ---------- */

.middle {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  padding: 18px;
  gap: 14px;
  align-self: start;          /* nicht mit der rechten Spalte mitwachsen */
  position: sticky;           /* bleibt am oberen Rand sichtbar beim Scrollen */
  top: 0;
}

.viewer {
  display: flex;
  flex-direction: column;
  background: #e2e8f0;        /* kühles Hellgrau-Blau drumherum */
  padding: 0;
  position: relative;
  flex: 0 0 auto;             /* feste Höhe, nicht mitwachsen */
  height: 70vh;               /* fixes Plan-Fenster, unabhängig vom Rest */
  max-height: 820px;          /* obere Schranke für grosse Monitore */
  min-height: 380px;          /* Mindestgrösse, dass es brauchbar bleibt */
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.viewer-toolbar {
  height: 34px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 10px;
  background: #fff;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
}

.icon-btn {
  background: #fff;
  border: 1px solid var(--border-strong);
  color: var(--text);
  border-radius: 4px;
  padding: 3px 9px;
  cursor: pointer;
  font-size: 0.8rem;
  line-height: 1.2;
  transition: background 0.12s, border-color 0.12s;
}
.icon-btn:hover {
  background: #f3f1ea;
  border-color: var(--accent);
}

.toolbar-spacer {
  flex: 1 1 auto;
}

.pins-toggle[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.pins-toggle[aria-pressed="true"]:hover {
  background: var(--accent);
  filter: brightness(1.05);
}

/* Pin-Layer wird per Klasse am Stage ausgeblendet, wenn Pins aus */
.viewer-stage.pins-hidden .pins {
  display: none;
}

.zoom-label {
  display: inline-block;
  min-width: 52px;
  text-align: center;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.viewer-window {
  flex: 1;
  position: relative;
  overflow: hidden;
  cursor: grab;
  background: #f8fafc;          /* ganz dezenter Hellblau-Ton für Plan-Hintergrund */
}
.viewer-window.grabbing { cursor: grabbing; }

.viewer-stage {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
  user-select: none;
  will-change: transform;
}

.viewer-stage img,
.viewer-stage canvas {
  display: block;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.10);
  pointer-events: none;
  max-width: none;
}
.viewer-stage img[hidden],
.viewer-stage canvas[hidden] { display: none; }

.pins {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

.pin {
  position: absolute;
  pointer-events: auto;
  transform: translate(-50%, -50%);
  cursor: pointer;
}

.pin-circle {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid #fff;
  background: var(--critical);
  color: #fff;
  font-weight: 700;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.35);
}

.pin.hinweis  .pin-circle { background: var(--warning); }
.pin.manuell  .pin-circle { background: #2e5d4f; }
.pin.kritisch .pin-circle { background: var(--critical); }

.pin.active .pin-circle {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.viewer-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  text-align: center;
  font-size: 0.88rem;
}
.viewer-empty p { margin: 4px 0; }
.viewer-empty .muted { color: var(--muted-soft); }
.viewer-empty.hidden { display: none; }

/* Lade-Overlay während einer Prüfung */
.viewer-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: rgba(247, 245, 238, 0.94);
  backdrop-filter: blur(2px);
  z-index: 20;
  text-align: center;
  padding: 24px;
}
.viewer-loading[hidden] { display: none; }

.spinner-ring {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(37, 99, 235, 0.18);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-text {
  margin: 0;
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--text);
}
.loading-detail {
  margin: 0;
  font-size: 0.84rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* ---------- Befunde-Panel ---------- */

.findings-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 8px;
}
.findings-head h2 {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 600;
}

.filter-row { display: flex; flex-wrap: wrap; gap: 5px; }

.filter-btn {
  font-size: 0.78rem;
  padding: 3px 9px;
  border: 1px solid var(--border-strong);
  background: #fff;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--text);
}
.filter-btn:hover { border-color: var(--accent); }
.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.summary-text {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 9px 11px;
  font-size: 0.85rem;
  margin: 0 0 8px;
  color: var(--text);
}
.summary-text:empty { display: none; }

.counters {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 10px;
}
.counter {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 8px;
  background: #f8fafc;
  font-size: 0.74rem;
  color: var(--muted);
}
.counter strong {
  display: inline-block;
  margin-left: 4px;
  font-size: 0.92rem;
  color: var(--text);
}

.finding-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.finding {
  border: 1px solid var(--border);
  border-left-width: 3px;
  border-radius: var(--radius);
  padding: 9px 11px;
  background: #fff;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease;
}
.finding:hover { background: #f8fafc; }
.finding.active {
  border-color: var(--accent);
  background: #eff6ff;
}

.finding.kritisch { border-left-color: var(--critical); }
.finding.hinweis  { border-left-color: var(--warning); }
.finding.manuell  { border-left-color: var(--info); }
.finding.ok       { border-left-color: #16a34a; }

.finding-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 3px;
}

.finding-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 0.74rem;
  font-weight: 700;
  color: #fff;
  background: var(--critical);
  flex-shrink: 0;
}
.finding.hinweis .finding-num { background: var(--warning); }
.finding.manuell .finding-num { background: var(--info); }
.finding.ok      .finding-num { background: #16a34a; }

.finding h3 {
  margin: 0;
  font-size: 0.86rem;
  font-weight: 600;
}

.finding-meta {
  font-size: 0.74rem;
  color: var(--muted);
  margin-bottom: 3px;
}

.finding p {
  margin: 3px 0 0;
  font-size: 0.82rem;
}

.empty-state {
  color: var(--muted);
  padding: 14px;
  text-align: center;
  font-size: 0.82rem;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: #f8fafc;
}

/* ---------- Mitteilung an Planersteller (unter dem Viewer) ---------- */

.letter-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex-shrink: 0;
  overflow: hidden;
}
.letter-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 0.86rem;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  background: #fff;
}
.letter-head > span:first-child {
  flex: 1;
}
.letter-copy {
  padding: 4px 12px;
  font-size: 0.78rem;
}

.middle .letter-card + .letter-card {
  margin-top: 10px;
}
.letter-card textarea {
  display: block;
  width: 100%;
  /* Aptos = Standard-Schrift in Microsoft 365 ab 2023.
     Falls nicht installiert -> moderne Segoe-Variante als Fallback. */
  font-family: "Aptos", "Aptos Display", "Segoe UI Variable Text",
               "Segoe UI", "Calibri", system-ui, sans-serif;
  font-size: 11pt;
  line-height: 1.45;
  border: none;
  border-radius: 0;
  padding: 14px 16px;
  background: #f8fafc;
  resize: vertical;
}
.letter-card textarea#letterOutput {
  min-height: 280px;
}
.letter-card textarea#shortSummaryOutput {
  min-height: 90px;
}
.letter-card textarea:focus { outline: none; }

/* ---------- Footer / Rechtliches ---------- */

.page-footer {
  flex-shrink: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 22px 22px 28px;
  text-align: center;
}

.footer-meta {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.78rem;
}

.legal-card {
  border: 2px solid #b91c1c;
  background: #fef5f5;
  border-radius: 6px;
  padding: 14px 18px;
  margin: 0 auto 12px;
  max-width: 1080px;
  text-align: left;
  font-size: 0.78rem;
  line-height: 1.55;
  color: #7f1d1d;
}

.legal-card p { margin: 6px 0; }
.legal-card p:first-child { margin-top: 0; }
.legal-card p:last-child  { margin-bottom: 0; }
.legal-card strong { font-weight: 700; color: #7f1d1d; }
.legal-card a {
  color: #7f1d1d;
  text-decoration: underline;
  font-weight: 700;
}
.legal-card a:hover { text-decoration: none; }

.legal-title {
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 8px !important;
}

.footer-disclaimer {
  margin: 0;
  font-size: 0.74rem;
  color: var(--muted);
  line-height: 1.65;
}
.footer-disclaimer a {
  color: var(--accent);
  text-decoration: underline;
}
.footer-disclaimer a:hover { text-decoration: none; }

/* ---------- Loading-State ---------- */

body.loading { cursor: progress; }
body.loading .viewer-window { cursor: progress; }

.spinner-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin: 0 2px;
  border-radius: 50%;
  background: var(--muted-soft);
  animation: pulse 1.2s infinite ease-in-out both;
}
.spinner-dot:nth-child(2) { animation-delay: 0.15s; }
.spinner-dot:nth-child(3) { animation-delay: 0.3s; }
@keyframes pulse {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.85); }
  40%           { opacity: 1;   transform: scale(1);    }
}