:root {
  --bg: #1b1f24;
  --panel: #232830;
  --panel-2: #2c333d;
  --ink: #e6e9ee;
  --ink-dim: #97a1ad;
  --accent: #2f80ed;
  --accent-2: #29b2b2;
  --danger: #e1504a;
  --ok: #3bbf6a;
  --border: #3a434f;
  --radius: 6px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --viewer-bg: #0f1216;
  --btn-hover: #353c47;
  --btn-primary-hover: #1f6fd0;
  --status-loading-bg: #3a4a5a;
  --status-loading-fg: #bcd;
  --status-ready-bg: rgba(59,191,106,0.18);
  --status-ready-fg: #8fe6ac;
  --status-failed-bg: rgba(225,80,74,0.18);
  --status-failed-fg: #f3a59f;
  --progress-bg: rgba(0,0,0,0.7);
  --progress-fg: #fff;
}

/* ─────────── Light-Theme (manuell oder per Auto 6-18 Uhr) ─────────── */
html[data-theme="light"] {
  --bg: #f5f7fa;
  --panel: #ffffff;
  --panel-2: #eef2f7;
  --ink: #1b1f24;
  --ink-dim: #5a6573;
  --border: #d0d6dd;
  --viewer-bg: #e2e7ee;
  --btn-hover: #d8dde3;
  --btn-primary-hover: #1f6fd0;
  --status-loading-bg: #d8dde3;
  --status-loading-fg: #1b1f24;
  --status-ready-bg: rgba(59,191,106,0.22);
  --status-ready-fg: #1b6b3a;
  --status-failed-bg: rgba(225,80,74,0.15);
  --status-failed-fg: #a8322d;
  --progress-bg: rgba(255,255,255,0.88);
  --progress-fg: #1b1f24;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font: 13px/1.45 var(--font);
  overflow: hidden;
  transition: background-color .2s, color .2s;
}

#layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  height: 100vh;
}

/* ─────────── Panel ─────────── */
#panel {
  background: var(--panel);
  overflow-y: auto;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  scrollbar-width: none;          /* Firefox: Balken ausblenden */
  transition: background-color .2s, border-color .2s;
}
#panel::-webkit-scrollbar { display: none; }  /* Blink/WebKit: Balken ausblenden */

#panel-head {
  text-align: center;
  padding: 14px;
}
#head-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 10px;
}
#theme-toggle {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.5px;
  cursor: pointer;
  user-select: none;
  outline: none;
  transition: opacity .12s, color .12s;
}
#theme-toggle:hover { opacity: 0.7; }
#theme-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
#theme-toggle:active { opacity: 0.5; }
#lang-wrap {
  position: relative;
}
#lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--ink-dim);
  cursor: pointer;
  transition: color .12s, border-color .12s, background .12s;
}
#lang-btn:hover { color: var(--accent); border-color: var(--accent); }
#lang-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
#lang-menu {
  position: absolute;
  top: calc(100% + 4px);
  inset-inline-end: 0;
  margin: 0;
  padding: 4px 0;
  list-style: none;
  background: var(--panel-2);
  border: 1px solid var(--border);
  max-height: 320px;
  overflow-y: auto;
  min-width: 170px;
  z-index: 50;
}
#lang-menu[hidden] { display: none; }
#lang-menu li {
  padding: 6px 14px;
  font-size: 12px;
  cursor: pointer;
  color: var(--ink);
}
#lang-menu li:hover { background: var(--bg); color: var(--accent); }
#lang-menu li.active { color: var(--accent); font-weight: 600; }

#upload-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
/* STL-Öffnen-Button: vollbreit und groß (Breite kommt aus .btn + #panel-head .btn) */
#upload-row .btn.stl-open {
  padding: 14px;
  font-size: 15px;
  font-weight: 600;
}
#stl-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}

.status {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: var(--radius);
  display: inline-block;
}

/* ─────────── Profil-Save-Bereich ─────────── */
#profile-section {
  padding: 14px;
  border-top: 1px solid var(--border);
}
#profile-section h2 {
  margin: 0 0 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ink-dim);
  /* Button-Styling (ersetzt die frühere "text-only mit Hover-Filter"-Variante) */
}
#profile-name {
  width: 100%;
  padding: 9px 14px;
  background: var(--bg);
  color: var(--ink);
  border: 1px solid var(--border);
  border-top-left-radius: 50%;
  border-top-right-radius: 50%;
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  font: inherit;
  text-align: center;
  margin-bottom: 0;
  transition: background-color .2s, color .2s, border-color .2s;
}
#profile-save {
  padding: 14px;
  font-size: 15px;
  font-weight: 600;
  margin: 0;
}
#profile-manage-toggle {
  font-size: 11px;
  padding: 6px 12px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  border-bottom-left-radius: 15px;
  border-bottom-right-radius: 15px;
}
#profile-manage-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 15px;
  background: var(--bg);
}
#profile-manage-list[hidden] { display: none; }
#profile-manage-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
}
#profile-manage-list li:last-child { border-bottom: 0; }
#profile-manage-list .profile-del {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--ink-dim);
  width: 24px;
  height: 24px;
  padding: 0;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  transition: color .12s, border-color .12s;
}
#profile-manage-list .profile-del:hover { color: var(--danger); border-color: var(--danger); }
#profile-manage-list .profile-empty {
  padding: 10px 14px;
  text-align: center;
  color: var(--ink-dim);
  font-size: 11px;
  font-style: italic;
}

/* ─────────── Togglebares h2 der Profil-Section (default collapsed) ─────────── */
/* ─────────── Togglebares h2 der Profil-Section als Button (default collapsed) ─────────── */
#profile-section h2 {
  display: block;
  width: calc(100% + 28px);
  margin: 0 -14px 8px;
  padding: 12px 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ink-dim);
  cursor: pointer;
  user-select: none;
  transition: background-color .12s, border-color .12s, color .12s;
}
#profile-section h2:hover {
  background: var(--btn-hover);
  border-color: var(--accent);
  color: var(--ink);
}
#profile-section h2:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ─────────── Profil-Konflikt-Modal (Klick irgendwo zum Schließen) ─────────── */
#profile-error-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  cursor: pointer;
}
#profile-error-overlay[hidden] { display: none; }
.profile-error-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent-2);
  padding: 20px 24px;
  max-width: 420px;
  width: min(90%, 420px);
  cursor: default;
}
.profile-error-card h3 {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--accent-2);
}
.profile-error-card p {
  margin: 0 0 8px;
  font-size: 12px;
  line-height: 1.5;
}
.profile-error-card .hint {
  margin: 0;
  font-size: 10px;
  color: var(--ink-dim);
}
.status[hidden] { display: none; }
.status.loading { background: var(--status-loading-bg); color: var(--status-loading-fg); }
.status.ready   { background: var(--status-ready-bg); color: var(--status-ready-fg); }
.status.failed  { background: var(--status-failed-bg); color: var(--status-failed-fg); }

.muted { color: var(--ink-dim); }

#gen-manual,
#gen-quick {
  padding: 14px;
  font-size: 15px;
  font-weight: 600;
}

/* ─────────── Gruppen ─────────── */
.group {
  padding: 14px 0;
}
.group h2 {
  margin: 0 0 8px;
  padding: 0 14px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ink-dim);
}

/* Felder (von panel.js erzeugt) — Label immer DRÜBER, Eingabe volle Breite */
.field-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 10px;
  padding: 0 14px;
}
.field-row[hidden] { display: none; }
.field-row label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--ink-dim);
}
.field-row label .label-text {
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.field-row label .unit {
  color: var(--ink-dim);
  margin-left: 3px;
  font-size: 10px;
  opacity: 0.8;
}
/* Verlink-Button rechts im Label (Wert in URI-Hash übernehmen) */
.param-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  padding: 0;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 5px;
  color: var(--ink-dim);
  opacity: 0.55;
  cursor: pointer;
  transition: opacity .12s, color .12s, border-color .12s, background .12s;
}
.param-link:hover { opacity: 1; color: var(--accent); border-color: var(--border); }
.param-link.active {
  opacity: 1;
  color: var(--accent);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}
.param-link.active svg { transform: rotate(-45deg); }
.param-link svg { transition: transform .15s; }
/* Pillenförmige Eingaben (volle Breite innerhalb des Field-Row-Padding) */
.field-row input[type=number],
.field-row input[type=text],
.field-row input[type=color],
.field-row select {
  width: 100%;
  padding: 7px 14px;
  background: var(--bg);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 999px;
  font: inherit;
  text-align: center;
  transition: background-color .2s, border-color .2s, color .2s;
}
.field-row.check { align-items: flex-start; }
.field-row.check label { order: 2; } /* Label auch bei Check drüber */
.field-row input[type=checkbox] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  margin: 0;
}

/* Untergruppen-Titel */
.subgroup-title {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--accent-2);
  margin: 12px 0 4px;
  padding: 0 14px 3px;
  border-bottom: 1px solid var(--border);
}
.subgroup-title:first-child { margin-top: 0; }

/* GCode-Textareas: Monospace, scrollbar, vertikal resizebar */
.field-row textarea {
  width: 100%;
  min-height: 140px;
  max-height: 320px;
  padding: 10px 12px;
  background: var(--bg);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 8px;
  font: 12px/1.45 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  resize: vertical;
  white-space: pre;
  tab-size: 2;
}
.field-row textarea:focus { outline: none; border-color: var(--accent); }

/* Suchbox */
#param-search {
  width: 100%;
  padding: 9px 16px;
  background: var(--bg);
  color: var(--ink);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-left: 0;
  border-right: 0;
  border-radius: 0;
  font: inherit;
  text-align: center;
  transition: background-color .2s, color .2s, border-color .2s;
}
#param-search::placeholder { color: var(--ink-dim); }
#param-search:focus { outline: none; border-color: var(--accent); }

/* ─────────── Buttons ─────────── */
.btn {
  width: 100%;
  padding: 8px 16px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--ink);
  border-radius: 0;
  font: inherit;
  cursor: pointer;
  text-align: center;
}
/* Buttons innerhalb von Group / Panel-Head: über Container-Padding hinaus,
   damit sie genauso breit sind wie das Panel selbst (edge-to-edge). */
.group .btn,
#panel-head .btn {
  margin-left: -14px;
  margin-right: -14px;
  width: calc(100% + 28px);
}
.btn:hover:not(:disabled) { background: var(--btn-hover); border-color: var(--accent); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover:not(:disabled) { background: var(--btn-primary-hover); border-color: var(--btn-primary-hover); }
.btn.ghost { background: transparent; }
.btn.big { padding: 10px 12px; font-weight: 600; }

.btn-row { display: flex; gap: 8px; }
.btn-row .btn { flex: 1; }

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 4px 0;
}

.hint {
  font-size: 10px;
  color: var(--ink-dim);
  margin: 6px 0 0;
  line-height: 1.4;
}

/* ─────────── Warnbox (Hinweis ohne Garantie) ─────────── */
.warn-box {
  margin-bottom: 14px;
  padding: 10px 14px;
  background: rgba(41, 178, 178, 0.10);
  border-left: 3px solid var(--accent-2);
  border-radius: 0;
  font-size: 11px;
  line-height: 1.5;
  color: var(--ink);
}
.warn-box p { margin: 0; }

/* ─────────── Panel-Footer (Entwickler-Links) ─────────── */
#panel-footer {
  border-top: 1px solid var(--border);
  padding: 14px;
  margin-top: 12px;
}
#panel-footer h2 {
  margin: 0 0 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ink-dim);
}
#panel-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
#panel-footer a {
  color: var(--ink);
  text-decoration: none;
  font-size: 12px;
}
#panel-footer a:hover { color: var(--accent); }
#panel-footer .hint {
  margin-top: 10px;
}

/* ─────────── Viewer ─────────── */
#viewer {
  position: relative;
  background: var(--viewer-bg);
  overflow: hidden;
  transition: background-color .2s;
}
#viewer canvas { display: block; }

#drop-overlay {
  position: absolute;
  inset: 16px;
  border: 3px dashed var(--accent-2);
  border-radius: 12px;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 600;
  color: var(--accent-2);
  background: rgba(41,178,178,0.06);
  pointer-events: none;
  z-index: 5;
}
#viewer.drag #drop-overlay { display: flex; }

#progress-overlay {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: min(420px, 70%);
  background: var(--progress-bg);
  color: var(--progress-fg);
  padding: 10px 14px;
  border-radius: var(--radius);
  z-index: 6;
}
#progress-overlay .bar {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
#progress-bar {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--accent-2);
  transition: width 0.2s;
}
#progress-text {
  margin-top: 6px;
  font-size: 11px;
  color: var(--ink-dim);
  text-align: center;
}

#toast {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  max-width: 80%;
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 12px;
  z-index: 7;
  background: rgba(225,80,74,0.95);
  color: #fff;
  cursor: pointer;
}
#toast.ok { background: rgba(59,191,106,0.95); }

/* ─────────── Inaktive Druckbett-Platte (Disabled-Optik) ─────────── */
.field-row.plate-disabled { opacity: 0.45; pointer-events: none; }
.field-row.plate-disabled input,
.field-row.plate-disabled select { filter: grayscale(0.6); }

/* ─────────── Smartphone-Layout (≤ 480px, nur Portrait) ─────────── */
@media (max-width: 480px) and (orientation: portrait) {
  html, body {
    height: auto;
    overflow: auto;
  }
  #layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    height: auto;
    min-height: 100vh;
  }
  #panel {
    width: 100%;
    max-height: none;
    border-bottom: 1px solid var(--border);
  }
  #viewer {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-top: 1px solid var(--border);
  }
  #progress-overlay { width: min(420px, 90%); }
  #toast { font-size: 11px; max-width: 90%; }
}

/* Ein-/Ausklappbare Sections und Sub-Groups (Cursor + Hover-Hint, ohne Chevron) */
.group h2,
.subgroup-title {
  cursor: pointer;
  user-select: none;
  transition: filter 0.12s, color 0.12s;
}
.group h2:hover,
.subgroup-title:hover { filter: brightness(1.35); }
.group h2:active,
.subgroup-title:active { filter: brightness(1.6); }