/* ==========================================================================
   Grundlayout / Reset
   ========================================================================== */
html,
body {
  margin: 0;
  font-family: sans-serif;
  overflow: hidden;
}

hr {
  border: 1px solid #aaa;
}

#container-3D, #container-2D {
  display: none;
  margin: 0;
  font-family: sans-serif;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  box-sizing: border-box;
}

#container-3D.is-active, #container-2D.is-active {
    display: flex;
}

#container-2D {
  display: none;
  position: fixed;
  top: 0px;
  left: 0px;
  right: 0px;
  bottom: 0px;
  z-index: 300;
  background-color: #ffffff;
}


/* Linkes Panel fix breit */
#panel-container {
  position: relative;
  overflow: hidden;
  height: 100%;
  flex: 0 0 calc(25% + 35px);
  z-index: 10;
  -webkit-overflow-scrolling: touch;
  /* Schönes "Gleit-Gefühl" am Handy */
}

#info-container {
  flex: 0 0 calc(25% + 35px);
  min-width: 300px;
  max-height: 100vh;
  overflow-y: auto;
  overflow-x: auto;
  position: relative;
  border-right: 1px solid #ddd;
  box-sizing: border-box;
}

/* Viewer rechts bekommt den Rest */
#viewer-root {
  flex: 1 1 auto;
  position: relative;
  height: 100vh;
}

/* Canvas füllt den Viewer */
#viewer-root canvas {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  display: block;
}

.viewer-buttons {
  margin-left: 20%;
  width: 60%;
  position: absolute;
  z-index: 100;
  display: none;
}

/* Logo-Standardstil */
#gs-logo {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  opacity: 0.7;
  max-width: 160px;
  /* Standardgröße Desktop */
}

#gs-logo img {
  width: 100%;
  height: auto;
  display: block;
}


/* Der ganze Panel-Abschnitt ist eine Spalte */
.panel-section {
  display: flex;
  flex-direction: column;
  /* Falls dein linker Bereich der Scroll-Container ist:
     height: 100%;
     overflow: auto;
  */
}

/* Der Content nimmt den Platz ein, der da ist */
.panel-section .panel-body {
  flex: 1 1 auto;
  /* Platz lassen, damit der sticky Footer nichts überlappt */
  padding-bottom: 12px;
}

/* Footer immer unten + bei Scroll am unteren Rand „kleben“ */
.panel-footer {
  margin-top: auto;
  position: sticky;
  bottom: 0;
  padding: 12px 16px;
  background: var(--panel-bg);
  border-top: 1px solid #e5e7eb;
  box-shadow: 0 -6px 10px rgba(0, 0, 0, .04);
  z-index: 2;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Base Button */

/* Undo/Redo: deaktiviert darstellen */
#btn-undo,
#btn-redo {
  background: #0f1318;
  color: #e7ecef;
}

#history-controls {
  position: fixed;
  right: 10px;
  bottom: 10px;
  display: flex;
  gap: 6px;
  z-index: 400;
}

#history-controls .is-off {
  opacity: .35;
  pointer-events: none;
  filter: grayscale(60%);
}

#contact-controls {
  position: fixed;
  left: calc(25% + 45px);
  bottom: 10px;
  z-index: 400;
}

#autosave-status {
  position: fixed;
  right: 10px;
  bottom: 60px;
  font-size: .85rem;
  color: #6c757d;
  opacity: .75;
  pointer-events: none;
}

#autosave-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #6c757d;
  margin-right: 6px;
  vertical-align: middle;
}

@keyframes autosave-pulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 rgba(255, 183, 3, 0.6);
  }

  50% {
    transform: scale(1.3);
    box-shadow: 0 0 10px rgba(255, 183, 3, 0.8);
  }

  100% {
    transform: scale(1);
    box-shadow: 0 0 0 rgba(255, 183, 3, 0.6);
  }
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  padding: 10px 14px;
  font: 600 14px/1 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  letter-spacing: .01em;
  cursor: pointer;
  transition: transform .06s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
  box-shadow: 0 2px 8px rgba(17, 24, 39, .06);
  user-select: none;
  align-items: center;
  gap: .5rem;
  min-height: 38px;
  min-width: 70px;
}

.btn:hover {
  background: var(--accent-600);
}

.btn:active {
  transform: translateY(1px);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

/* Ghost/Outline (für „Export“) */
.btn-ghost {
  background: transparent;
  color: var(--accent);
  border-color: rgba(31, 111, 255, .45);
  box-shadow: none;
}

.btn-ghost:hover {
  background: var(--muted);
  border-color: var(--accent);
}

/* Danger (für „Zurücksetzen“) */
.btn-danger {
  background: var(--danger);
}

.btn-danger:hover {
  background: var(--danger-600);
}

/* Disabled-Zustand */
.btn[disabled],
.btn.is-disabled {
  opacity: .55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Tooltips auf Basis deines data-tip (leichtes Styling) */
.btn[data-tip] {
  position: relative;
}

.btn[data-tip]:hover::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: #111827;
  color: #fff;
  font-size: 12px;
  line-height: 1.2;
  padding: 6px 8px;
  border-radius: var(--radius);
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0, 0, 0, .12);
  pointer-events: none;
  z-index: 3;
}

.btn[data-tip]:hover::before {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #111827;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Loading-Spinner */
.btn.is-loading {
  position: relative;
  pointer-events: none;
}

.btn.is-loading::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 50%;
  width: 14px;
  height: 14px;
  margin-top: -7px;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-right-color: transparent;
  animation: spin .8s linear infinite;
  opacity: .9;
}

/* Platz für Spinner links schaffen */
.btn.is-loading {
  padding-left: 32px;
}

/* kurzer Success-Flash (optional) */
.btn.is-success {
  background: #10b981 !important;
  /* grün */
  border-color: transparent !important;
  color: #fff !important;
  box-shadow: 0 2px 8px rgba(16, 185, 129, .35) !important;
}


.tooltip[data-label] {
  position: relative;
  isolation: isolate;
  /* eigener Stacking-Kontext */
}

/* Bubble */
.tooltip[data-label]::after {
  content: attr(data-label);
  position: absolute;
  left: 50%;
  bottom: calc(100% + var(--tip-offset));
  transform: translateX(-50%) translateY(4px);
  max-width: var(--tip-maxw);
  padding: var(--tip-pad-y) var(--tip-pad-x);
  border-radius: var(--tip-radius);
  background: var(--tip-bg);
  color: var(--tip-fg);
  font-size: 12px;
  line-height: 1.3;
  box-shadow: var(--tip-shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity .12s ease, transform .12s ease;
  white-space: normal;
  /* erlaubt Multi-Line */
  text-align: center;
  z-index: 20;
}

/* Pfeil (gedrehtes Quadrat) */
.tooltip[data-label]::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: calc(100% + var(--tip-offset) - 5px);
  /* leicht in die Bubble geschoben */
  width: 10px;
  height: 10px;
  background: var(--tip-bg);
  transform: translate(-50%, 0) rotate(45deg);
  /* <-- Rotation IMMER im Baseline-State */
  box-shadow: var(--tip-shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity .12s ease, transform .12s ease;
  z-index: 19;
  /* unter der Bubble */
}

/* Sichtbar (Hover + Tastatur) — WICHTIG: rotate beim Pfeil mit angeben */
.tooltip[data-label]:is(:hover, :focus-visible)::after {
  opacity: 1;
  transform: translate(-50%, -2px);
}

.tooltip[data-label]:is(:hover, :focus-visible)::before {
  opacity: 1;
  transform: translate(-50%, -2px) rotate(45deg);
}

/* Bottom-Placement: <el class="tooltip" data-label="..." data-place="bottom"> */
.tooltip[data-label][data-place="bottom"]::after {
  top: calc(100% + var(--tip-offset));
  bottom: auto;
  transform: translate(-50%, 0);
  /* Baseline */
}

.tooltip[data-label][data-place="bottom"]::before {
  top: calc(100% + var(--tip-offset) - 5px);
  bottom: auto;
  transform: translate(-50%, 0) rotate(45deg);
}

/* Sichtbar (Bottom) */
.tooltip[data-label][data-place="bottom"]:is(:hover, :focus-visible)::after {
  opacity: 1;
  transform: translate(-50%, 2px);
}

.tooltip[data-label][data-place="bottom"]:is(:hover, :focus-visible)::before {
  opacity: 1;
  transform: translate(-50%, 2px) rotate(45deg);
}

/* Falls Container schneidet */
.panel-section,
.panel-body {
  overflow: visible;
}


/* === 3D-HUD-Tooltip (für Canvas-Hover) =============================== */
.hud-tooltip {
  position: fixed;
  left: 0;
  top: 0;
  transform: translate(-50%, -120%);
  /* Standard: über dem Cursor */
  background: var(--tip-bg, #111827);
  color: var(--tip-fg, #fff);
  font-size: 12px;
  line-height: 1.3;
  padding: var(--tip-pad-y, 6px) var(--tip-pad-x, 8px);
  border-radius: var(--tip-radius, 6px);
  box-shadow: var(--tip-shadow, 0 4px 16px rgba(0, 0, 0, .12));
  pointer-events: none;
  opacity: 0;
  transition: opacity .12s ease, transform .12s ease;
  z-index: 1000;
  white-space: nowrap;
}

.hud-tooltip.is-visible {
  opacity: 1;
  transform: translate(-50%, -140%);
}

/* kleiner Pfeil */
.hud-tooltip::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -5px;
  width: 10px;
  height: 10px;
  background: var(--tip-bg, #111827);
  transform: translateX(-50%) rotate(45deg);
  box-shadow: var(--tip-shadow, 0 4px 16px rgba(0, 0, 0, .12));
}

.floating-window {
  width: 500px;
  aspect-ratio: 16 / 9;
  min-width: 320px;
  max-width: 1000px;
  height: auto;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 4px 24px #0006;
  overflow: hidden;
  resize: both;
  position: absolute;
  /* oder fixed, je nach Bedarf */
  top: 40px;
  left: 40px;
  display: flex;
  flex-direction: column;
  z-index: 100;
}

.floating-window>.content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-window-header {
  background: #eee;
  cursor: move;
  padding: 6px 12px;
  user-select: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.floating-window-close {
  cursor: pointer;
  font-weight: bold;
  color: #888;
  font-size: 1.5rem;
  line-height: 1;
  vertical-align: middle;

}


/* Loading Spinner === */
@keyframes garage-spinner-rotate {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

#garage-loading-spinner {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 999999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  pointer-events: none;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 12px;
  padding: 20px;
  width: auto;
  height: auto;
  min-width: 200px;
  min-height: 120px;
}

.garage-spinner-rotate,
.garage-spinner-rotate-waiting {
  width: 96px;
  height: 96px;
  border: 16px solid rgba(255, 255, 255, 0.3);
  border-top: 16px solid #ffffff;
  border-radius: 50%;
  animation: garage-spinner-rotate 1s linear infinite;
}

.garage-spinner-rotate-waiting {
  border: 16px solid rgba(0, 0, 0, 0.1);
  border-top: 16px solid #818181;
}

.garage-spinner-text {
  color: white;
  font-family: system-ui, sans-serif;
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  margin-top: 8px;
}

#garage-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(30, 30, 30, 1);
  /* dunkler Hintergrund */
  z-index: 99999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 1s ease;
  display: block;
}

#garage-loading-overlay.active {
  opacity: 1;
  pointer-events: all;
}

#garage-waitung-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgb(224, 224, 224, 0.8);
  /* dunkler Hintergrund */
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  color: white;
  font-family: system-ui, sans-serif;
  font-size: 16px;
  font-weight: 500;
  text-align: center;
  pointer-events: all;
}

#global-tooltip {
  position: fixed;
  z-index: 10000;
  max-width: 320px;
  padding: 8px 10px;
  border-radius: var(--radius);
  background: rgba(22, 27, 34, .92);
  color: #fff;
  font: 12px/1.3 system-ui, Arial, sans-serif;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .35);
  pointer-events: none;
  transform: translate(-50%, -100%);
  opacity: 0;
  transition: opacity .12s ease;
}

#custom-tooltip {
  display: none;
  position: fixed;
  z-index: 10000;
  background: #222;
  color: #fff;
  padding: 8px 12px;
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  pointer-events: none;
  font-size: 0.8em;
  line-height: 1.8em;
}


#mode-toggle,
.quality-toggle-container {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 290;
  display: flex;
  gap: 8px;
  background: rgba(30, 30, 40, 0.85);
  border-radius: var(--radius);
  padding: 6px 10px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}

.quality-toggle-container {
  top: 85px;
}

#mode-toggle button {
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: #ffe066;
  padding: 4px 8px 6px 8px;
  border-radius: var(--radius);
  transition: background 0.15s, color 0.15s;
}

#mode-toggle button#btn-night {
  color: #b3c6ff;
}

#mode-toggle button.active,
#mode-toggle button:focus-visible {
  background: rgba(116, 115, 115, 0.733);
  outline: none;
}

.modal {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal[style*='display: none'] {
  pointer-events: none;
}

.modal.visible {
  opacity: 1;
  pointer-events: auto;
}

.modal-backdrop {
  position: absolute;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.4);
}

/* Gemeinsamer Stil für alle Modal-Inhaltsboxen */
.modal-content {
  position: relative;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  padding: 25px;
  width: 90%;
  max-width: 550px;
  min-width: 320px;
  color: #333;
}

/* Globaler Modal (#global-modal): zentrierter Text, breiter */
#global-modal .modal-content {
  text-align: center;
  width: auto;
  max-width: 90vw;
}

.modal-close {
  position: absolute;
  right: 10px;
  top: 1px;
  font-size: 2em;
  cursor: pointer;
  color: #888;
}

.modal-footer {
  text-align: right;
  margin-top: 1.5em;
}

.modal-ok {
  padding: 0.5em 1.5em;
  border: none;
  background: #1abc9c;
  color: #fff;
  border-radius: var(--radius);
  font-size: 1em;
  cursor: pointer;
}

.modal-ok:hover,
.modal-close:hover {
  background: #16a085;
  color: #fff;
}

.close-modal {
  position: absolute;
  top: 10px;
  right: 15px;
  cursor: pointer;
  font-size: 24px;
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

.form-group input {
  width: 100%;
  padding: 8px;
  box-sizing: border-box;
}

.form-checkbox {
  margin: 15px 0;
  font-size: 0.9em;
}

/* Styling für den Anfrage-Button */
.btn-request-plan {
  background-color: #2c3e50;
  margin-right: auto;
}


.btn-request-plan .icon {
  font-family: sans-serif;
}

/* Optional: Positionierung als schwebender Button unten rechts */
.floating-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 900;
}

/* Das dunkle Overlay im Hintergrund */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 99999;
  backdrop-filter: blur(3px);
  /* Macht den Hintergrund schick unscharf */
}

#start-terms-overlay.is-visible {
  display: flex;
  /* Nur wenn nötig einschalten */
  opacity: 1;
}

/* Die Box selbst */
.terms-modal {
  background: #fff;
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  /* Maximal 80% der Bildschirmhöhe */
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  /* Stapelt Header, Text und Footer */
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  /* Wichtig, damit die Ecken abgerundet bleiben */
}

.terms-already-accepted #start-terms-overlay {
  display: none !important;
}

/* Der Titel oben */
.terms-modal h3 {
  padding: 20px;
  margin: 0;
  border-bottom: 1px solid #eee;
  background: #f8f9fa;
  text-align: center;
}

/* Die Scroll-Area (Das "Herzstück") */
.terms-scroll-area {
  padding: 25px;
  overflow-y: auto;
  /* Aktiviert das Scrollen nur hier */
  flex-grow: 1;
  /* Nimmt den restlichen Platz ein */
  font-size: 14px;
  line-height: 1.6;
  color: #333;
}

/* Der Footer mit dem Button */
.modal-footer {
  padding: 15px 20px;
  border-top: 1px solid #eee;
  background: #f8f9fa;
  display: flex;
  justify-content: center;
}

/* Der Akzeptieren-Button */
#accept-terms-btn {
  padding: 12px 30px;
  background: #28a745;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.3s;
}

#accept-terms-btn:hover {
  background: #218838;
}

/* =========================================================================
   Help-Modal
   ========================================================================= */
#help-modal {
  position: fixed;
  inset: 0;
  z-index: 99990;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(3px);
}

.help-modal-box {
  background: #fff;
  border-radius: 8px;
  width: 92vw;
  max-width: 980px;
  height: 88vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
}

.help-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid #e5e7eb;
  flex-shrink: 0;
  background: #f8fafc;
}

.help-modal-header h2 {
  margin: 0;
  font-size: 1.15rem;
  color: var(--text);
  font-weight: 700;
}

.help-modal-close {
  background: none;
  border: none;
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  color: #888;
  padding: 0 4px;
  border-radius: var(--radius);
  transition: color 0.15s;
}

.help-modal-close:hover {
  color: var(--danger);
}

.help-modal-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Linke Tab-Navigation */
.help-nav {
  width: 210px;
  flex-shrink: 0;
  border-right: 1px solid #e5e7eb;
  overflow-y: auto;
  padding: 10px 0;
  background: #f8fafc;
}

.help-tab-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 11px 20px;
  border: none;
  border-left: 3px solid transparent;
  background: none;
  cursor: pointer;
  font-size: 13.5px;
  color: #374151;
  transition: background 0.1s, border-color 0.1s, color 0.1s;
  line-height: 1.3;
}

.help-tab-btn:hover {
  background: #eef3ff;
  color: var(--accent);
}

.help-tab-btn.active {
  background: var(--muted);
  border-left-color: var(--accent);
  color: var(--accent);
  font-weight: 700;
}

/* Rechter Inhaltsbereich */
.help-content {
  flex: 1;
  overflow-y: auto;
  padding: 28px 36px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.65;
}

.help-tab-panel {
  display: none;
}

.help-tab-panel.active {
  display: block;
}

.help-tab-panel h3 {
  margin: 0 0 6px 0;
  font-size: 1.2rem;
  color: var(--accent);
  border-bottom: 2px solid var(--muted);
  padding-bottom: 8px;
}

.help-tab-panel h4 {
  margin: 20px 0 6px 0;
  font-size: 0.95rem;
  color: #111;
}

.help-tab-panel p {
  margin: 0 0 12px 0;
}

.help-tab-panel ul,
.help-tab-panel ol {
  margin: 0 0 14px 0;
  padding-left: 22px;
}

.help-tab-panel li {
  margin-bottom: 5px;
}

.help-step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 18px;
  padding: 14px 16px;
  background: #f8fafc;
  border-radius: 6px;
  border-left: 4px solid var(--accent);
}

.help-step-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
}

.help-step-body strong {
  display: block;
  margin-bottom: 3px;
  font-size: 0.95rem;
}

.help-tip {
  background: #fffbeb;
  border: 1px solid #fcd34d;
  border-radius: 5px;
  padding: 10px 14px;
  margin: 14px 0;
  font-size: 13px;
}

.help-tip::before {
  content: "Tipp: ";
  font-weight: 700;
  color: #92400e;
}

.help-kbd {
  display: inline-block;
  background: #f3f4f6;
  border: 1px solid #d1d5db;
  border-radius: 4px;
  padding: 1px 7px;
  font-family: monospace;
  font-size: 12px;
  color: #374151;
}

/* Help-Button */
#btn-help {
  background: #2c3e50;
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0;
  width: 36px;
  height: 36px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 8px;
  transition: background 0.15s;
  box-shadow: 0 2px 8px rgba(17, 24, 39, .12);
}

#btn-help:hover {
  background: var(--accent);
}