/**
 * Projekt: Piding Intercom - Waveshare Audio- und Displayknoten
 * Datei: styles.css
 * Version: 0.15.1 | 2026-09-02 10:12:59
 * Zweck: Gemeinsames responsives Erscheinungsbild der lokalen PWA im bereits
 * verwendeten Piding-Design. Formulare, Navigation und Rueckmeldungen folgen
 * auf jeder echten Unterseite denselben semantischen Gestaltungsregeln.
 */

@font-face {
  font-family: "Roboto Condensed";
  src: url("/assets/roboto-condensed.woff2") format("woff2");
  font-display: block;
}
:root {
  color-scheme: dark;
  --bg: #101214;
  --surface: #171a1d;
  --surface-raised: #1d2125;
  --border: #343a40;
  --text: #f3f4f4;
  --muted: #aab0b5;
  --accent: #f0b429;
  --success: #55c58a;
  --danger: #ef6b73;
  --warning: #e6b64f;
  --info: #70aee8;
  --control-height: 44px;
  font-family: "Roboto Condensed", sans-serif;
  background: var(--bg);
  color: var(--text);
}
* { box-sizing: border-box; }
html { min-height: 100%; overflow-x: hidden; background: var(--bg); }
body { min-height: 100vh; margin: 0; overflow-x: hidden; background: var(--bg); color: var(--text); }
html, body, button, input, select, textarea, dialog, optgroup, option,
code, pre, kbd, samp, ::file-selector-button {
  font-family: "Roboto Condensed", sans-serif;
}
button, select {
  appearance: none;
  padding-right: 38px;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 16px) 50%, calc(100% - 11px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
button, input, select, textarea, dialog, optgroup, option, ::file-selector-button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: var(--info); }
.app-shell { width: min(90vw, 1728px); margin: 0 auto; }

.app-header {
  position: sticky; top: 0; z-index: 40;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  backdrop-filter: blur(12px);
}
.header-inner { min-height: 68px; display: flex; align-items: center; gap: 20px; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--text); text-decoration: none; font-size: 1.25rem; font-weight: 700; }
.brand-mark { width: 30px; height: 30px; }
.main-nav { display: flex; gap: 4px; margin-left: auto; }
.main-nav a { color: var(--muted); text-decoration: none; padding: 10px 12px; border-radius: 8px; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--text); background: var(--surface-raised); }
.menu-button, .menu-close { display: none; }

main { padding: 28px 0 48px; }
.page-head { display: flex; justify-content: space-between; align-items: start; gap: 20px; margin-bottom: 22px; }
.eyebrow { color: var(--accent); font-size: .78rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 6px; font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1; }
h2 { font-size: 1.35rem; margin-bottom: 8px; }
h3 { font-size: 1rem; }
.lead, .hint { color: var(--muted); }
.lead { max-width: 760px; margin-bottom: 0; }
.hint { font-size: .9rem; line-height: 1.45; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { padding: 22px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); min-width: 0; }
.card.wide { grid-column: 1 / -1; }
.network-resilience-card { margin-top: 16px; }
.card-head { display: flex; justify-content: space-between; align-items: start; gap: 14px; margin-bottom: 18px; }
.card-head h2 { margin-bottom: 0; }
.badge { display: inline-flex; align-items: center; min-height: 26px; padding: 3px 9px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); font-size: .78rem; white-space: nowrap; }
.badge.success { color: var(--success); border-color: var(--success); }
.badge.warning { color: var(--warning); border-color: var(--warning); }
.badge.danger { color: var(--danger); border-color: var(--danger); }
.storage-warning {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding: 13px 15px;
  border: 1px solid var(--warning);
  border-radius: 11px;
  background: color-mix(in srgb, var(--warning) 10%, var(--surface));
  color: var(--text);
}
.storage-warning-icon {
  flex: 0 0 28px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--warning);
  border-radius: 50%;
  color: var(--warning);
  font-weight: 700;
}
.storage-warning > div { display: grid; gap: 2px; }
.storage-warning-detail { color: var(--muted); font-size: .86rem; }
.metric { display: flex; flex-direction: column; gap: 5px; }
.metric strong { font-size: 1.65rem; line-height: 1; }
.metric span { color: var(--muted); font-size: .86rem; }
.metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.status-list { display: grid; gap: 0; }
.status-row { min-height: 44px; display: flex; justify-content: space-between; gap: 16px; align-items: center; border-bottom: 1px solid var(--border); }
.status-row:last-child { border-bottom: 0; }
.status-row span:first-child { color: var(--muted); }
.status-row strong { overflow-wrap: anywhere; text-align: right; }

form { display: grid; gap: 18px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field { display: grid; grid-template-columns: minmax(0, 1fr); align-content: start; gap: 6px; min-width: 0; }
.display-form-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: start; }
.field.full { grid-column: 1 / -1; }
label { font-weight: 700; }
.required::after { content: " *"; color: var(--accent); }
input, select, textarea {
  width: 100%; min-height: var(--control-height); padding: 9px 12px;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface-raised); color: var(--text); outline: 0;
}
input:not([type="checkbox"]):not([type="range"]):not([type="file"]), select {
  height: var(--control-height);
}
/* Der Pegelregler behält dieselbe Feldhöhe und Rahmenlogik wie alle anderen
 * Formularelemente. Lediglich die innere Spur ist für eine feinere Bedienung
 * als echter Slider gestaltet. */
input[type="range"] {
  appearance: none;
  -webkit-appearance: none;
  padding: 0 12px;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--accent) 0%, var(--accent) var(--range-progress, 87.5%), var(--border) var(--range-progress, 87.5%), var(--border) 100%);
}
input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin-top: -6px;
  border: 2px solid var(--bg);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
input[type="range"]::-moz-range-track { height: 6px; border-radius: 999px; background: var(--border); }
input[type="range"]::-moz-range-progress { height: 6px; border-radius: 999px; background: var(--accent); }
input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border: 2px solid var(--bg); border-radius: 50%; background: var(--accent); }
input[type="checkbox"] {
  appearance: none;
  display: inline-grid;
  place-content: center;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  min-height: 20px;
  margin: 0;
  padding: 0;
  border-radius: 5px;
  cursor: pointer;
}
input[type="checkbox"]::before {
  content: "";
  width: 9px;
  height: 5px;
  border-left: 2px solid var(--bg);
  border-bottom: 2px solid var(--bg);
  transform: translateY(-1px) rotate(-45deg) scale(0);
  transition: transform .12s ease;
}
input[type="checkbox"]:checked { border-color: var(--accent); background: var(--accent); }
input[type="checkbox"]:checked::before { transform: translateY(-1px) rotate(-45deg) scale(1); }
.checkbox-field { gap: 0; }
.checkbox-label { min-height: var(--control-height); display: inline-flex; align-items: center; gap: 10px; width: fit-content; cursor: pointer; }
textarea { min-height: 92px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--info); box-shadow: 0 0 0 3px color-mix(in srgb, var(--info) 20%, transparent); }
input[aria-invalid="true"], select[aria-invalid="true"] { border-color: var(--danger); }
.field-note, .field-error { min-height: 1em; color: var(--muted); font-size: .8rem; }
.field-error { color: var(--danger); }
.gain-label-row { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; }
.gain-label-row output { color: var(--accent); font-weight: 700; white-space: nowrap; }
.audio-profile-switch { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.audio-profile-button { min-height: 70px; display: grid; justify-items: start; align-content: center; gap: 4px; text-align: left; }
.audio-profile-button strong { color: var(--text); }
.audio-profile-button span { color: var(--muted); font-size: .82rem; }
.audio-profile-button[aria-pressed="true"] { border-color: var(--info); background: color-mix(in srgb, var(--info) 12%, var(--surface-raised)); }
.audio-profile-button[aria-pressed="true"] strong { color: var(--info); }
.audio-gain-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.audio-gain-summary > div { display: grid; gap: 3px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface-raised); }
.audio-gain-summary span { color: var(--muted); font-size: .82rem; }
.audio-gain-summary strong { font-size: 1.05rem; }
.gain-presets { display: flex; flex-wrap: wrap; gap: 8px; }
.gain-presets .button { min-height: 36px; padding: 6px 11px; }
.gain-presets .button[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
.audio-level-panel {
  display: grid;
  gap: 12px;
  margin: 18px 0 8px;
  padding: 15px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-raised);
}
.audio-level-head, .audio-level-label { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.audio-level-head > div { display: grid; gap: 2px; }
.audio-level-head > div span { color: var(--muted); font-size: .8rem; }
.audio-level-channel { display: grid; gap: 6px; }
.audio-level-label span { color: var(--muted); font-size: .86rem; }
.audio-level-label output { color: var(--text); font-variant-numeric: tabular-nums; font-weight: 700; white-space: nowrap; }
.audio-meter-track {
  position: relative;
  height: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 999px;
  background:
    linear-gradient(90deg, transparent 0 79.8%, color-mix(in srgb, var(--warning) 9%, transparent) 79.8% 94.8%, color-mix(in srgb, var(--danger) 12%, transparent) 94.8%),
    var(--bg);
}
.audio-meter-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  border-radius: inherit;
  background: var(--success);
  transition: width .12s linear, background-color .12s linear;
}
.audio-meter-fill[data-zone="warning"] { background: var(--warning); }
.audio-meter-fill[data-zone="danger"] { background: var(--danger); }
.audio-meter-peak {
  position: absolute;
  top: 1px;
  bottom: 1px;
  left: 0;
  width: 3px;
  border-radius: 2px;
  background: var(--text);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--bg) 65%, transparent);
  transform: translateX(-1px);
  transition: left .12s linear;
}
.audio-meter-scale { display: flex; justify-content: space-between; color: var(--muted); font-size: .7rem; font-variant-numeric: tabular-nums; }
.audio-level-note { margin: 0; color: var(--muted); font-size: .78rem; line-height: 1.35; }
.audio-recording-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 18px;
}
.audio-recording-summary > div {
  display: grid;
  gap: 3px;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-raised);
}
.audio-recording-summary span { color: var(--muted); font-size: .82rem; }
.audio-recording-summary strong { overflow-wrap: anywhere; font-size: 1.05rem; }
.local-recording-progress {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-raised);
}
.local-recording-progress > span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--info);
  transition: width .18s linear;
}
.local-recording-status { border: 1px solid var(--border); border-radius: 9px; padding: 0 12px; }
.local-recording-actions { align-items: flex-end; }
.button[hidden] { display: none; }
.layout-field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.layout-actions-card { margin-top: 16px; }
.layout-transfer-grid { margin-top: 16px; }
.navigation-order-list { display: grid; gap: 8px; margin: 14px 0 10px; padding: 0; list-style: none; counter-reset: navigation-order; }
.navigation-order-item { min-height: 62px; display: grid; grid-template-columns: 30px minmax(110px, .75fr) minmax(155px, 1fr) minmax(155px, 1fr) auto; gap: 10px; align-items: center; padding: 8px 9px; border: 1px solid var(--border); border-radius: 9px; background: var(--surface-raised); }
.navigation-order-item::before { counter-increment: navigation-order; content: counter(navigation-order); display: grid; place-items: center; width: 26px; height: 26px; border: 1px solid var(--accent); border-radius: 50%; color: var(--accent); font-weight: 700; }
.navigation-order-field { gap: 3px; margin: 0; }
.navigation-field-label { color: var(--muted); font-size: .82rem; font-weight: 700; }
.navigation-title-field { min-width: 0; }
.navigation-eyebrow-field { min-width: 0; }
.navigation-order-name { width: 100%; min-height: 34px; color: var(--text); font-weight: 700; }
.navigation-order-actions { display: flex; gap: 6px; }
.navigation-order-actions .button { min-width: 38px; min-height: 34px; padding: 4px 8px; }
.action-group { display: flex; flex-wrap: wrap; gap: 10px; }
.actions { display: flex; align-items: center; justify-content: flex-end; gap: 10px; padding-top: 2px; }
.split-actions { justify-content: space-between; }
.button {
  min-height: var(--control-height); display: inline-flex; align-items: center; justify-content: center;
  padding: 9px 15px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface-raised); color: var(--text); text-decoration: none; cursor: pointer;
}
.button:hover { border-color: var(--muted); }
.button.primary { border-color: var(--accent); background: var(--accent); color: var(--bg); font-weight: 700; }
.button.danger { border-color: var(--danger); color: var(--danger); }
.button:disabled { opacity: .55; cursor: wait; }

.notice { padding: 13px 15px; border-left: 3px solid var(--info); border-radius: 7px; background: var(--surface-raised); color: var(--muted); }
.notice.warning { border-color: var(--warning); }
.followup-card { margin-top: 16px; }
.firmware-upload-card { margin-top: 16px; }
.update-workflow { margin-top: 16px; }
.update-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}
.update-steps li {
  min-width: 0;
  display: grid;
  gap: 3px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface-raised);
  color: var(--muted);
}
.update-steps li strong { color: var(--text); }
.update-steps li span { font-size: .8rem; }
.update-steps li.current { border-color: var(--accent); }
.update-steps li.current strong { color: var(--accent); }
.update-steps li.done { border-color: var(--success); }
.update-steps li.done strong { color: var(--success); }
.source-config-card { margin-top: 16px; }
.lead.compact { max-width: 78ch; }
.source-section {
  margin-top: 14px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: color-mix(in srgb, var(--surface-raised) 52%, transparent);
  overflow: hidden;
}
.config-accordion > summary,
.source-slot-summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
}
.config-accordion > summary::-webkit-details-marker,
.source-slot-summary::-webkit-details-marker { display: none; }
.config-accordion > summary {
  min-height: 58px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 4px 14px;
  padding: 11px 14px;
  color: var(--text);
  font-weight: 700;
}
.config-accordion > summary small {
  grid-column: 1;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 400;
}
.config-accordion > summary::after {
  grid-column: 2;
  grid-row: 1 / span 2;
  content: "";
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--info);
  border-bottom: 2px solid var(--info);
  transform: translateY(-20%) rotate(45deg);
  transform-origin: center;
  transition: transform .15s ease;
}
.config-accordion[open] > summary::after { transform: translateY(20%) rotate(225deg); }
.config-accordion[open] > summary { border-bottom: 1px solid var(--border); }
.source-list { display: grid; gap: 9px; padding: 11px; }
.source-slot {
  min-inline-size: 0;
  margin: 0;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface-raised);
  overflow: hidden;
}
.source-slot-summary {
  min-height: 46px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 18px;
  align-items: center;
  gap: 10px;
  padding: 8px 11px;
}
.source-slot-summary::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--info);
  border-bottom: 2px solid var(--info);
  justify-self: center;
  transform: translateY(-20%) rotate(45deg);
  transform-origin: center;
  transition: transform .15s ease;
}
.source-slot[open] > .source-slot-summary::after { transform: translateY(20%) rotate(225deg); }
.source-slot[open] > .source-slot-summary { border-bottom: 1px solid var(--border); }
.source-slot-summary strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.source-slot-body { display: grid; gap: 10px; padding: 11px; }
.source-slot-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.source-slot-grid .field:first-child { grid-column: 1 / -1; }
.source-slot-disabled .source-slot-body { opacity: .62; }
.switch-field { display: inline-flex; min-height: var(--control-height); align-items: center; gap: 8px; color: var(--text); cursor: pointer; }
.switch-field input[type="checkbox"] { width: 17px; height: 17px; min-height: 17px; margin: 0; accent-color: var(--accent); }
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.upload-zone {
  min-height: 190px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 24px;
  border: 1px dashed var(--info);
  border-radius: 12px;
  background: color-mix(in srgb, var(--info) 5%, var(--surface-raised));
  color: var(--muted);
  text-align: center;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
}
.upload-zone strong { color: var(--text); font-size: 1.08rem; }
.upload-zone:hover, .upload-zone.drag-active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--surface-raised));
}
.upload-zone:focus-within { box-shadow: 0 0 0 3px color-mix(in srgb, var(--info) 20%, transparent); }
.upload-zone.invalid { border-color: var(--danger); }
.upload-zone[aria-disabled="true"] { opacity: .58; cursor: wait; pointer-events: none; }
.upload-zone-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--info);
  border-radius: 50%;
  color: var(--info);
  font-size: 1.45rem;
  line-height: 1;
}
.upload-picker { min-height: 36px; margin-top: 4px; padding: 6px 12px; color: var(--text); }
.upload-selection {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface-raised);
}
.upload-selection[hidden] { display: none; }
.upload-selection-main { min-width: 0; display: flex; align-items: center; gap: 11px; }
.upload-selection-main > span:last-child { min-width: 0; display: grid; gap: 2px; }
.upload-selection-main strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.upload-selection-main small { color: var(--muted); }
.upload-file-icon {
  flex: 0 0 auto;
  padding: 5px 7px;
  border: 1px solid var(--success);
  border-radius: 6px;
  color: var(--success);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .06em;
}
.upload-progress { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 10px; }
.upload-progress[hidden] { display: none; }
.upload-progress-track { height: 9px; overflow: hidden; border-radius: 999px; background: var(--surface-raised); }
.upload-progress-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: var(--accent); transition: width .15s linear; }
.footer { border-top: 1px solid var(--border); color: var(--muted); font-size: .8rem; }
.footer-inner { min-height: 58px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }

.toast-stack { position: fixed; z-index: 1200; right: 18px; bottom: 18px; width: min(390px, calc(100vw - 32px)); display: grid; gap: 9px; }
.toast { display: grid; grid-template-columns: 1fr auto; gap: 8px 12px; padding: 14px; border: 1px solid var(--border); border-left: 4px solid var(--info); border-radius: 10px; background: var(--surface-raised); box-shadow: 0 14px 38px rgba(0,0,0,.38); }
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }
.toast-message { line-height: 1.35; }
.toast-close { width: 30px; height: 30px; border: 0; border-radius: 6px; background: transparent; color: var(--text); cursor: pointer; }
.toast-actions { grid-column: 1 / -1; display: flex; gap: 8px; }
.toast-actions .button { min-height: 34px; padding: 5px 10px; font-size: .8rem; }

dialog { width: min(520px, calc(100% - 28px)); border: 1px solid var(--border); border-radius: 14px; padding: 0; background: var(--surface); color: var(--text); }
dialog::backdrop { background: rgba(0,0,0,.7); backdrop-filter: blur(3px); }
.dialog-body { padding: 22px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 22px; border-top: 1px solid var(--border); }

@media (min-width: 2560px) { .app-shell { width: min(90vw, 3456px); } }
@media (max-width: 768px) {
  :root { --control-height: 38px; }
  .app-shell { width: min(100% - 20px, 1120px); }
  .header-inner { min-height: 52px; }
  .brand { font-size: 1.02rem; }
  .brand-mark { width: 25px; height: 25px; }
  .menu-button, .menu-close { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface-raised); color: var(--text); }
  .menu-button { margin: 0; flex: 0 0 auto; }
  .main-nav { position: absolute; top: 0; left: 0; z-index: 30; width: min(82vw, 310px); height: 100vh; height: 100dvh; padding: 16px; display: flex; flex-direction: column; gap: 5px; background: var(--surface); box-shadow: 16px 0 40px rgba(0,0,0,.5); transform: translateX(-105%); transition: transform .18s ease; overflow-y: auto; }
  .main-nav.open { transform: translateX(0); }
  .menu-close { align-self: flex-end; margin-bottom: 12px; }
  .nav-backdrop { position: fixed; inset: 0; z-index: 35; background: rgba(0,0,0,.64); }
  main { padding: 17px 0 34px; }
  .page-head { margin-bottom: 14px; }
  h1 { font-size: 1.65rem; }
  h2 { font-size: 1.12rem; }
  .lead, .hint { font-size: .82rem; }
  .grid, .grid.three, .form-grid { grid-template-columns: 1fr; gap: 10px; }
  .layout-field-grid { grid-template-columns: 1fr; gap: 10px; }
  .navigation-order-item { grid-template-columns: 30px minmax(0, 1fr) auto; align-items: start; }
  .navigation-order-item::before { grid-row: 1 / span 3; margin-top: 20px; }
  .navigation-title-field { grid-column: 2 / 4; grid-row: 2; }
  .navigation-eyebrow-field { grid-column: 2 / 4; grid-row: 3; }
  .navigation-order-actions { grid-column: 3; grid-row: 1; margin-top: 20px; }
  .card { padding: 14px; border-radius: 11px; }
  .card-head { margin-bottom: 12px; }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .metric strong { font-size: 1.25rem; }
  .status-row { min-height: 38px; font-size: .86rem; }
  form { gap: 13px; }
  input, select, textarea, .button { padding: 7px 10px; font-size: .88rem; }
  input[type="range"] { padding: 0 10px; }
  .gain-presets { gap: 6px; }
  .gain-presets .button { min-height: 34px; padding: 5px 9px; }
  .audio-profile-switch { grid-template-columns: 1fr; }
  .audio-profile-button { min-height: 60px; }
  .audio-gain-summary { gap: 5px; }
  .audio-gain-summary > div { padding: 8px; }
  .audio-level-panel { gap: 9px; margin-top: 13px; padding: 11px; }
  .audio-level-head { align-items: start; }
  .audio-level-head > div span { font-size: .74rem; }
  .audio-level-label { gap: 8px; }
  .audio-level-label span, .audio-level-label output { font-size: .8rem; }
  .audio-meter-track { height: 16px; }
  .audio-meter-scale { font-size: .64rem; }
  input[type="checkbox"] { width: 18px; height: 18px; min-height: 18px; padding: 0; }
  .checkbox-label { gap: 8px; }
  .source-list { padding: 8px; }
  .source-slot-summary { min-height: 42px; padding: 7px 9px; }
  .source-slot-body { padding: 9px; }
  .source-slot-grid { grid-template-columns: 1fr; gap: 8px; }
  .update-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
  .update-steps li { padding: 8px; }
  .upload-zone { min-height: 145px; padding: 16px 12px; font-size: .84rem; }
  .upload-zone strong { font-size: .96rem; }
  .upload-zone-icon { width: 36px; height: 36px; font-size: 1.2rem; }
  .upload-selection { align-items: stretch; flex-direction: column; gap: 9px; }
  .upload-selection .button { align-self: flex-end; min-height: 34px; }
  .split-actions { align-items: stretch; flex-direction: column-reverse; }
  .action-group { width: 100%; }
  .action-group .button { flex: 1 1 auto; }
  .footer-inner { min-height: 50px; flex-direction: column; align-items: start; justify-content: center; gap: 2px; }
  .toast-stack { right: 50%; bottom: 10px; transform: translateX(50%); }
  .toast { padding: 11px; font-size: .86rem; }
}
.doc-network-map { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 14px; align-items: stretch; }
.doc-network-site { display: grid; align-content: start; gap: 0; padding: 16px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface-raised); }
.doc-network-site h3 { margin: 0 0 9px; color: var(--accent); }
.doc-network-site span { display: grid; gap: 2px; min-height: 46px; padding: 8px 0; border-bottom: 1px solid var(--border); color: var(--muted); }
.doc-network-site span:last-child { border-bottom: 0; }
.doc-network-site strong { color: var(--text); }
.doc-network-tunnel { display: grid; place-content: center; gap: 5px; min-width: 112px; padding: 12px; color: var(--info); text-align: center; }
.doc-network-tunnel small { color: var(--muted); line-height: 1.35; }
@media (max-width: 900px) {
  .doc-network-map { grid-template-columns: 1fr; }
  .doc-network-tunnel { min-width: 0; min-height: 72px; }
}
.backup-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.backup-grid form { min-width: 0; display: grid; align-content: start; gap: 12px; padding: 16px; border: 1px solid var(--border); border-radius: 12px; background: var(--background); }
.backup-grid h3 { margin: 0; }
.energy-layout-editor-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; }
.energy-layout-groups { display: grid; gap: 10px; }
.settings-accordion {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--background);
}
.settings-accordion summary {
  position: relative;
  padding: 12px 42px 12px 14px;
  cursor: pointer;
  color: var(--text);
  font-weight: 700;
  list-style: none;
}
.settings-accordion summary::-webkit-details-marker { display: none; }
.settings-accordion summary::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 16px;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--info);
  border-bottom: 2px solid var(--info);
  transform: translateY(-70%) rotate(45deg);
  transform-origin: center;
  transition: transform .16s ease;
}
.settings-accordion[open] summary { border-bottom: 1px solid var(--border); }
.settings-accordion[open] summary::after { transform: translateY(-30%) rotate(225deg); }
.settings-accordion-content { padding: 14px; }
@media (max-width: 768px) {
  .backup-grid { grid-template-columns: 1fr; gap: 10px; }
  .backup-grid form { padding: 11px; gap: 9px; }
  .energy-layout-editor-grid { grid-template-columns: 1fr; }
  .settings-accordion summary { padding: 10px 38px 10px 11px; }
  .settings-accordion-content { padding: 11px; }
}

/*
Gemeinsamer visueller Vertrag mit dem Intercom-LXC.
Nur die PWA-Huelle wird vereinheitlicht; Display-, Audio-, OTA- und
Integrationslogik sowie alle bestehenden Fachselektoren bleiben unveraendert.
*/
.skip-link{position:fixed;top:8px;left:8px;z-index:1000;padding:8px 12px;border-radius:8px;background:var(--accent);color:var(--bg);font-weight:700;transform:translateY(-160%)}
.skip-link:focus{transform:translateY(0)}
@media (min-width:769px){
  .app-shell{width:min(100% - 40px,1104px);max-width:1104px}
  .app-header .header-inner{width:min(100% - 40px,1160px);max-width:1160px}
  html[data-layout-profile="fullhd"] .app-shell{width:min(90vw,1728px);max-width:none}
  html[data-layout-profile="uhd"] .app-shell{width:min(90vw,3456px);max-width:none}
  html[data-layout-profile="fullhd"] .app-header .header-inner{width:min(90vw,1728px);max-width:none}
  html[data-layout-profile="uhd"] .app-header .header-inner{width:min(90vw,3456px);max-width:none}
  .app-header{position:relative;background:var(--bg);backdrop-filter:none}
  .header-inner{min-height:72px;gap:22px;padding:0 28px}
  .brand{gap:11px;font-size:24px}
  .brand-mark{width:32px;height:32px}
  .main-nav{gap:18px}
  .main-nav a{padding:5px 0;border:0;border-radius:0;background:transparent;color:var(--muted);font-size:18px}
  .main-nav a:hover,.main-nav a[aria-current="page"]{background:transparent;color:var(--accent)}
  main.app-shell{padding:28px 0 48px}
  .card{padding:28px}
  .app-dialog:not(.mobile-menu-dialog){width:min(760px,calc(100vw - 32px));max-width:760px}
}
@media (min-width:1600px){
  .app-dialog:not(.mobile-menu-dialog){width:min(1120px,90vw);max-width:1120px}
}
.footer{border-top:1px solid var(--border)}
.footer-inner{display:flex;min-height:58px;align-items:center;justify-content:center;gap:9px;padding:20px;flex-wrap:nowrap;white-space:nowrap;overflow-x:auto;color:var(--muted)}
.footer-nav{display:inline-flex;align-items:center;justify-content:center;gap:8px;flex-wrap:nowrap}
.footer-nav a{color:var(--muted);font-size:13px;text-decoration:underline;text-underline-offset:2px}
.footer-nav a[aria-current="page"]{color:var(--accent)}
.layout-profile-control{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:13px}
.layout-profile-control select{width:135px;min-height:34px;height:34px;padding:3px 30px 3px 7px;font-size:13px}
.mobile-menu-dialog{display:none}
@media (max-width:768px){
  .app-shell{width:min(100% - 22px,680px)}
  .app-header .header-inner{width:min(100% - 22px,680px);max-width:680px}
  .header-inner{min-height:54px;justify-content:flex-start;gap:10px;padding:0}
  .brand{font-size:18px}
  .brand-mark{width:28px;height:28px}
  .main-nav{display:none}
  .menu-button{display:inline-grid;place-items:center;width:38px;height:38px;padding:0;border:1px solid var(--border);border-radius:8px;background:var(--surface-raised);color:var(--text);background-image:none}
  .mobile-menu-dialog[open]{display:block;position:fixed;inset:0 auto 0 0;width:min(82vw,310px);max-width:310px;height:100dvh;max-height:none;margin:0;padding:18px;border:0;border-right:1px solid var(--border);border-radius:0 12px 12px 0;background:var(--surface);color:var(--text)}
  .mobile-menu-dialog::backdrop{background:rgba(0,0,0,.68)}
  .mobile-menu-dialog .dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:13px;border-bottom:1px solid var(--border)}
  .mobile-menu-dialog .dialog-heading h2{margin:0;font-size:1.35rem}
  .mobile-menu-dialog .menu-close{display:inline-grid;place-items:center;width:38px;height:38px;padding:0;background-image:none}
  .mobile-nav{display:grid;gap:4px;padding-top:12px;overflow-y:auto}
  .mobile-nav a{display:flex;align-items:center;min-height:42px;padding:8px 10px;border-radius:8px;color:var(--text);text-decoration:none}
  .mobile-nav a[aria-current="page"]{background:var(--surface-raised);color:var(--accent)}
  .footer-nav,.layout-profile-control,.footer-inner>span[aria-hidden="true"]{display:none}
  .footer-inner{min-height:50px;padding:14px 11px;font-size:12px;flex-wrap:wrap;white-space:normal;overflow-x:visible}
  .audio-recording-summary{grid-template-columns:repeat(2,minmax(0,1fr))}
  .local-recording-actions{align-items:stretch}
  .local-recording-actions,.local-recording-actions>.action-group{display:grid;grid-template-columns:1fr}
}