/* ============================================================
   fusebox.css — Стили конструктора электрощита
   Prefix: fb- (fusebox)
   ============================================================ */

/* ── Controls bar ── */
.fb-controls {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  padding: 1rem 1.5rem;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
}

.fb-phase-toggle {
  display: flex;
  gap: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255,179,71,.2);
}

.fb-phase-btn {
  padding: .5rem 1rem;
  background: transparent;
  color: var(--text-dim);
  border: none;
  cursor: pointer;
  font: inherit;
  font-size: .85rem;
  transition: all .25s;
  white-space: nowrap;
}

.fb-phase-btn.active {
  background: rgba(255,179,71,.15);
  color: var(--rm-accent);
  font-weight: 600;
}

.fb-phase-btn:hover:not(.active) {
  background: rgba(255,255,255,.04);
  color: var(--text);
}

.fb-presets {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}

.fb-presets-label {
  font-size: .8rem;
  color: var(--text-muted);
  margin-right: .25rem;
}

.fb-preset-btn {
  padding: .4rem .8rem;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  font-size: .8rem;
  transition: all .25s;
}

.fb-preset-btn:hover {
  border-color: var(--rm-accent);
  color: var(--rm-accent);
}

.fb-preset-btn.active {
  background: rgba(255,179,71,.1);
  border-color: var(--rm-accent);
  color: var(--rm-accent);
}

.fb-reset-btn {
  margin-left: auto;
  padding: .4rem .8rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  font-size: .8rem;
  transition: all .25s;
}

.fb-reset-btn:hover {
  color: #ff4444;
  border-color: rgba(255,68,68,.3);
}

/* ── Main grid ── */
.fb-main {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 2rem;
  align-items: start;
}

/* ── Room Editor ── */
.fb-editor {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.fb-rooms {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Room card */
.fb-room-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  overflow: visible;
  transition: border-color .3s;
}

.fb-room-card:hover {
  border-color: rgba(255,179,71,.15);
}

.fb-room-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1rem;
  background: rgba(255,255,255,.02);
  border-bottom: 1px solid var(--card-border);
}

.fb-room-name {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-weight: 600;
  font-size: .95rem;
  color: var(--text);
}

.fb-room-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.fb-room-power {
  font-size: .8rem;
  color: var(--rm-accent);
  font-family: var(--font);
  opacity: .8;
}

.fb-room-remove {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
  transition: all .2s;
}

.fb-room-remove:hover {
  background: rgba(255,68,68,.1);
  border-color: rgba(255,68,68,.3);
  color: #ff4444;
}

.fb-room-body {
  padding: .75rem 1rem;
}

/* Appliance chips */
.fb-appliances {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: .75rem;
}

.fb-chip {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .35rem .6rem .35rem .75rem;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 20px;
  font-size: .8rem;
  color: var(--text);
  transition: all .25s;
}

.fb-chip:hover {
  border-color: rgba(255,179,71,.2);
}

.fb-chip-name {
  white-space: nowrap;
}

.fb-chip-power {
  font-size: .75rem;
  color: var(--rm-accent);
  font-family: var(--font);
  white-space: nowrap;
}

.fb-chip-edit {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: .7rem;
  border-radius: 50%;
  transition: all .2s;
  padding: 0;
}

.fb-chip-edit:hover {
  background: rgba(255,179,71,.15);
  color: var(--rm-accent);
}

.fb-chip-remove {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: .85rem;
  border-radius: 50%;
  transition: all .2s;
  padding: 0;
  line-height: 1;
}

.fb-chip-remove:hover {
  background: rgba(255,68,68,.15);
  color: #ff4444;
}

/* Power edit inline */
.fb-chip-input {
  width: 60px;
  padding: .15rem .3rem;
  background: rgba(0,0,0,.3);
  border: 1px solid var(--rm-accent);
  border-radius: 4px;
  color: var(--rm-accent);
  font: inherit;
  font-size: .75rem;
  text-align: center;
  outline: none;
}

/* Add appliance button */
.fb-add-appliance {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .35rem .75rem;
  background: transparent;
  border: 1px dashed rgba(255,179,71,.25);
  border-radius: 20px;
  color: var(--rm-accent);
  cursor: pointer;
  font: inherit;
  font-size: .8rem;
  transition: all .25s;
  position: relative;
}

.fb-add-appliance:hover {
  background: rgba(255,179,71,.08);
  border-style: solid;
}

/* Appliance catalog dropdown */
.fb-catalog {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 200;
  min-width: 260px;
  max-height: 320px;
  overflow-y: auto;
  background: #141824;
  border: 1px solid rgba(255,179,71,.2);
  border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0,0,0,.7);
  padding: .5rem 0;
  display: none;
}

.fb-catalog.open {
  display: block;
}

.fb-catalog-category {
  padding: .3rem 1rem;
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  font-weight: 600;
}

.fb-catalog-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .45rem 1rem;
  cursor: pointer;
  transition: background .15s;
  font-size: .85rem;
  color: var(--text);
}

.fb-catalog-item:hover {
  background: rgba(255,179,71,.08);
}

.fb-catalog-item-power {
  font-size: .75rem;
  color: var(--text-dim);
  font-family: var(--font);
}

/* Add room */
.fb-add-room-wrap {
  position: relative;
  z-index: 100;
}

.fb-add-room-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: .8rem;
  background: transparent;
  border: 2px dashed rgba(255,179,71,.2);
  border-radius: 12px;
  color: var(--rm-accent);
  cursor: pointer;
  font: inherit;
  font-size: .9rem;
  transition: all .25s;
}

.fb-add-room-btn:hover {
  background: rgba(255,179,71,.05);
  border-color: var(--rm-accent);
}

.fb-room-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 200;
  background: #141824;
  border: 1px solid rgba(255,179,71,.2);
  border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0,0,0,.7);
  padding: .5rem 0;
  display: none;
}

.fb-room-dropdown.open {
  display: block;
}

.fb-room-dropdown-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem 1rem;
  cursor: pointer;
  transition: background .15s;
  font-size: .9rem;
  color: var(--text);
}

.fb-room-dropdown-item:hover {
  background: rgba(255,179,71,.08);
}

/* ── Sidebar / Summary ── */
.fb-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 1rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.fb-summary {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1.25rem;
}

.fb-summary-title {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-weight: 600;
}

.fb-summary-empty {
  font-size: .85rem;
  color: var(--text-dim);
  text-align: center;
  padding: 1rem 0;
}

.fb-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: .4rem 0;
  border-bottom: 1px solid rgba(255,255,255,.04);
}

.fb-summary-row:last-child {
  border-bottom: none;
}

.fb-summary-label {
  font-size: .85rem;
  color: var(--text-dim);
}

.fb-summary-value {
  font-size: .9rem;
  color: var(--text);
  font-family: var(--font);
  font-weight: 600;
}

.fb-summary-value.accent {
  color: var(--rm-accent);
}

.fb-summary-divider {
  height: 1px;
  background: rgba(255,179,71,.15);
  margin: .5rem 0;
}

.fb-summary-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: .5rem 0 0;
}

.fb-summary-total-label {
  font-size: .9rem;
  color: var(--text);
  font-weight: 600;
}

.fb-summary-total-value {
  font-size: 1.3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--rm-accent), var(--rm-accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font);
}

/* Phase balance */
.fb-phase-balance {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1.25rem;
}

.fb-phase-title {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: .75rem;
  font-weight: 600;
}

.fb-phase-row {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .5rem;
}

.fb-phase-label {
  width: 30px;
  font-size: .85rem;
  font-weight: 600;
}

.fb-phase-bar-wrap {
  flex: 1;
  height: 8px;
  background: rgba(255,255,255,.06);
  border-radius: 4px;
  overflow: hidden;
}

.fb-phase-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width .5s ease;
}

.fb-phase-pct {
  width: 40px;
  text-align: right;
  font-size: .8rem;
  color: var(--text-dim);
  font-family: var(--font);
}

.fb-phase-status {
  margin-top: .5rem;
  font-size: .8rem;
  text-align: center;
  padding: .3rem .5rem;
  border-radius: 6px;
}

.fb-phase-ok {
  background: rgba(34,197,94,.1);
  color: #22c55e;
}

.fb-phase-warn {
  background: rgba(255,179,71,.1);
  color: var(--rm-accent);
}

/* ── Action buttons ── */
.fb-actions {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.fb-action-btn {
  padding: .65rem 1rem;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-size: .85rem;
  transition: all .25s;
  text-align: center;
}

.fb-action-btn:hover {
  border-color: rgba(255,179,71,.3);
  background: rgba(255,179,71,.05);
}

.fb-action-primary {
  background: rgba(255,179,71,.1);
  border-color: rgba(255,179,71,.25);
  color: var(--rm-accent);
  font-weight: 600;
}

.fb-action-primary:hover {
  background: rgba(255,179,71,.18);
}

/* ── Schema section ── */
.fb-schema-section,
.fb-spec-section {
  margin-top: 2rem;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  overflow: hidden;
}

.fb-schema-header,
.fb-spec-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--card-border);
}

.fb-schema-title,
.fb-spec-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.fb-close-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 1.2rem;
  transition: all .2s;
}

.fb-close-btn:hover {
  background: rgba(255,68,68,.1);
  border-color: rgba(255,68,68,.3);
  color: #ff4444;
}

.fb-schema-container {
  padding: 1.5rem;
  overflow-x: auto;
  display: flex;
  justify-content: center;
}

.fb-schema-container svg {
  max-width: 100%;
  height: auto;
}

/* ── SVG Panel Schema styles ── */
.fb-panel-bg {
  fill: #0d1117;
}

.fb-panel-border {
  fill: none;
  stroke: #2a3040;
  stroke-width: 2;
}

.fb-din-rail {
  fill: #1a2030;
  stroke: #2a3040;
  stroke-width: 1;
}

.fb-module-body {
  rx: 3;
  ry: 3;
  stroke-width: 1.5;
  cursor: pointer;
  transition: opacity .2s;
}

.fb-module-body:hover {
  opacity: .85;
}

.fb-module-main { fill: #1a2535; stroke: var(--rm-accent); }
.fb-module-vrelay { fill: #1a2535; stroke: #60a5fa; }
.fb-module-rcd { fill: #1a2535; stroke: #a78bfa; }
.fb-module-breaker { fill: #1a2535; stroke: #4ade80; }

.fb-module-label {
  fill: var(--text);
  font-size: 9px;
  font-family: var(--font);
  text-anchor: middle;
  pointer-events: none;
}

.fb-module-nominal {
  fill: var(--text-dim);
  font-size: 7px;
  font-family: var(--font);
  text-anchor: middle;
  pointer-events: none;
}

.fb-module-led {
  r: 3;
  fill: #22c55e;
  opacity: .7;
}

.fb-wire-line {
  stroke: #2a3040;
  stroke-width: 1.5;
  fill: none;
}

.fb-wire-bus {
  stroke: var(--rm-accent);
  stroke-width: 2;
  fill: none;
  opacity: .6;
}

/* Tooltip */
.fb-tooltip {
  position: absolute;
  z-index: 100;
  background: #1a2030;
  border: 1px solid rgba(255,179,71,.3);
  border-radius: 8px;
  padding: .75rem 1rem;
  box-shadow: 0 8px 30px rgba(0,0,0,.5);
  font-size: .8rem;
  color: var(--text);
  pointer-events: none;
  max-width: 250px;
  display: none;
}

.fb-tooltip.visible {
  display: block;
}

.fb-tooltip-title {
  font-weight: 600;
  color: var(--rm-accent);
  margin-bottom: .3rem;
}

.fb-tooltip-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .15rem 0;
  color: var(--text-dim);
}

.fb-tooltip-val {
  color: var(--text);
  font-family: var(--font);
}

/* ── Specification table ── */
.fb-spec-container {
  padding: 1.5rem;
}

.fb-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
}

.fb-spec-table th {
  text-align: left;
  padding: .6rem .5rem;
  border-bottom: 2px solid rgba(255,179,71,.2);
  color: var(--text-dim);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  font-weight: 600;
}

.fb-spec-table th:nth-child(n+3) {
  text-align: right;
}

.fb-spec-table td {
  padding: .5rem .5rem;
  border-bottom: 1px solid rgba(255,255,255,.04);
  color: var(--text);
}

.fb-spec-table td:nth-child(n+3) {
  text-align: right;
  font-family: var(--font);
}

.fb-spec-table .fb-spec-cat-row td {
  padding-top: 1rem;
  color: var(--text-muted);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  font-weight: 600;
  border-bottom: 1px solid rgba(255,179,71,.1);
}

.fb-spec-table .fb-spec-total-row td {
  padding-top: .75rem;
  border-top: 2px solid rgba(255,179,71,.2);
  border-bottom: none;
  font-weight: 700;
  font-size: .95rem;
}

.fb-spec-table .fb-spec-total-row td:last-child {
  color: var(--rm-accent);
  font-size: 1.1rem;
}

.fb-spec-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.fb-spec-btn {
  padding: .6rem 1.5rem;
  border-radius: 8px;
  font: inherit;
  font-size: .85rem;
  cursor: pointer;
  transition: all .25s;
}

.fb-spec-btn-primary {
  background: rgba(255,179,71,.15);
  border: 1px solid rgba(255,179,71,.3);
  color: var(--rm-accent);
}

.fb-spec-btn-primary:hover {
  background: rgba(255,179,71,.25);
}

.fb-spec-btn-secondary {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text);
}

.fb-spec-btn-secondary:hover {
  border-color: rgba(255,179,71,.3);
}

/* ── Room type icons (emoji fallback) ── */
.fb-room-icon-kitchen::before { content: '\1F373'; }
.fb-room-icon-bathroom::before { content: '\1F6BF'; }
.fb-room-icon-toilet::before { content: '\1F6BD'; }
.fb-room-icon-living::before { content: '\1F6CB'; }
.fb-room-icon-bedroom::before { content: '\1F6CF'; }
.fb-room-icon-children::before { content: '\1F9F8'; }
.fb-room-icon-hallway::before { content: '\1F6AA'; }
.fb-room-icon-office::before { content: '\1F4BB'; }
.fb-room-icon-balcony::before { content: '\2600'; }
.fb-room-icon-garage::before { content: '\1F697'; }
.fb-room-icon-custom::before { content: '\2699'; }

/* ── Fix: reveal animation uses transform:translateY(0) which creates
   a stacking context and breaks position:fixed on child dropdowns.
   Override to transform:none after animation — same visual result,
   no stacking context. ── */
.fb-main.reveal.visible,
.fb-controls.reveal.visible {
  transform: none;
}

/* ── Ensure dropdowns are above following sections ── */
#fusebox-designer {
  position: relative;
  z-index: auto;
}

/* ── Print styles ── */
@media print {
  body * {
    visibility: hidden;
  }
  .fb-schema-section,
  .fb-schema-section *,
  .fb-spec-section,
  .fb-spec-section * {
    visibility: visible;
  }
  .fb-schema-section,
  .fb-spec-section {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    background: #fff !important;
    border: none !important;
  }
  .fb-close-btn { display: none !important; }
  .fb-spec-actions { display: none !important; }
  .fb-spec-table td,
  .fb-spec-table th {
    color: #000 !important;
    border-color: #ddd !important;
  }
  .fb-schema-title,
  .fb-spec-title {
    color: #000 !important;
  }
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .fb-controls {
    flex-direction: column;
    align-items: stretch;
    gap: .75rem;
  }

  .fb-phase-toggle {
    justify-content: center;
  }

  .fb-presets {
    justify-content: center;
  }

  .fb-reset-btn {
    margin-left: 0;
    text-align: center;
  }

  .fb-main {
    grid-template-columns: 1fr;
  }

  .fb-sidebar {
    position: static;
  }

  /* Catalog as bottom sheet on mobile */
  .fb-catalog {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    min-width: 100%;
    max-height: 60vh;
    border-radius: 16px 16px 0 0;
    border: none;
    border-top: 2px solid rgba(255,179,71,.3);
    box-shadow: 0 -12px 40px rgba(0,0,0,.7);
    padding: .75rem 0 env(safe-area-inset-bottom, 1rem);
  }

  .fb-catalog::before {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    background: rgba(255,255,255,.2);
    border-radius: 2px;
    margin: 0 auto .75rem;
  }

  .fb-catalog-item {
    padding: .7rem 1.25rem;
    font-size: .95rem;
  }

  .fb-catalog-category {
    padding: .5rem 1.25rem;
    font-size: .75rem;
  }

  /* Room dropdown as bottom sheet too */
  .fb-room-dropdown {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    border-radius: 16px 16px 0 0;
    border: none;
    border-top: 2px solid rgba(255,179,71,.3);
    box-shadow: 0 -12px 40px rgba(0,0,0,.7);
    padding: .75rem 0 env(safe-area-inset-bottom, 1rem);
  }

  .fb-room-dropdown::before {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    background: rgba(255,255,255,.2);
    border-radius: 2px;
    margin: 0 auto .75rem;
  }

  .fb-room-dropdown-item {
    padding: .7rem 1.25rem;
    font-size: 1rem;
  }

  /* Overlay backdrop for mobile dropdowns */
  .fb-overlay {
    position: fixed;
    inset: 0;
    z-index: 199;
    background: rgba(0,0,0,.5);
  }

  /* Appliance chips - bigger touch targets */
  .fb-chip {
    padding: .45rem .7rem .45rem .85rem;
    font-size: .85rem;
    gap: .5rem;
  }

  .fb-chip-remove,
  .fb-chip-edit {
    width: 28px;
    height: 28px;
    font-size: .9rem;
  }

  .fb-appliances {
    gap: .6rem;
    margin-bottom: 1rem;
  }

  /* Remove stacking context on mobile so fixed dropdowns escape to root */
  .fb-add-room-wrap {
    z-index: auto;
  }

  .fb-add-appliance {
    padding: .5rem 1rem;
    font-size: .9rem;
    width: 100%;
    justify-content: center;
  }

  .fb-room-body {
    padding: 1rem;
  }

  .fb-schema-container {
    padding: .75rem;
  }

  .fb-spec-container {
    padding: .75rem;
    overflow-x: auto;
  }

  .fb-spec-table {
    font-size: .75rem;
    min-width: 500px;
  }
}