:root {
  --bg-a: #f3efe4;
  --bg-b: #b8d4cb;
  --ink: #1f1f1a;
  --paper: #fffdf8;
  --line: #2d4b52;
  --accent: #0e7490;
  --accent-2: #14532d;
  --panel-shadow: 0 24px 45px rgba(16, 42, 45, 0.2);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 20% 15%, #fff6de 0%, transparent 40%),
    linear-gradient(140deg, var(--bg-a), var(--bg-b));
}

.backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.16) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.9), transparent 90%);
}

.layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 1.25rem;
  height: 100vh;
  min-height: 100vh;
  padding: 1.25rem;
}

.panel {
  background: color-mix(in srgb, var(--paper) 84%, white);
  border: 2px solid rgba(45, 75, 82, 0.2);
  border-radius: 18px;
  padding: 1.1rem;
  box-shadow: var(--panel-shadow);
  overflow-y: auto;
}
.connector-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  pointer-events: none;
}

.connector-layer {
  position: absolute;
  pointer-events: none;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0.02em;
}

h1 {
  font-size: 1.5rem;
}

.panel > p {
  margin: 0.6rem 0 1rem;
  line-height: 1.45;
}

.planner-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
  margin-bottom: 0.75rem;
}

.tab-btn {
  margin: 0;
  padding: 0.5rem 0.45rem;
  border: 1px solid rgba(45, 75, 82, 0.26);
  border-radius: 10px;
  background: rgba(238, 245, 241, 0.9);
  color: #11332a;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--accent), #0c4a6e);
  color: white;
  border-color: rgba(12, 74, 110, 0.8);
}

.tab-panels {
  min-height: 0;
}

.tab-panel {
  display: none;
}

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

.card {
  margin-bottom: 0.85rem;
  border: 1px solid rgba(45, 75, 82, 0.24);
  border-radius: 12px;
  padding: 0.85rem;
  background: rgba(255, 255, 255, 0.7);
}

.card h2 {
  font-size: 1rem;
  margin-bottom: 0.6rem;
}

label {
  display: block;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin: 0.5rem 0 0.3rem;
}

input,
select,
button {
  width: 100%;
  font-family: inherit;
  font-size: 0.95rem;
}

input,
select {
  border: 1px solid rgba(31, 31, 26, 0.24);
  border-radius: 8px;
  padding: 0.56rem 0.6rem;
  background: white;
}

button {
  border: none;
  border-radius: 8px;
  padding: 0.62rem 0.7rem;
  margin-top: 0.6rem;
  cursor: pointer;
  transition: transform 120ms ease, filter 120ms ease;
}

button:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
}

button.primary {
  background: linear-gradient(135deg, var(--accent), #0c4a6e);
  color: white;
}

button.ghost {
  background: #e5efe7;
  color: #11332a;
  border: 1px solid rgba(17, 51, 42, 0.26);
}

.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.small {
  font-size: 0.8rem;
  opacity: 0.82;
  line-height: 1.45;
}

.shelly-device-list {
  margin-top: 0.6rem;
  max-height: 430px;
  overflow-y: auto;
  display: grid;
  gap: 0.55rem;
  padding-right: 0.25rem;
}

.shelly-device-entry {
  border: 1px solid rgba(45, 75, 82, 0.24);
  border-radius: 10px;
  background: #f9fcfb;
  overflow: hidden;
}

.shelly-device-head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem;
}

.shelly-device-toggle {
  margin: 0;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 1px solid rgba(45, 75, 82, 0.18);
  color: #11332a;
  padding: 0.45rem 0.5rem;
  border-radius: 8px;
}

.shelly-device-toggle .device-name {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
}

.shelly-device-toggle .device-meta {
  display: block;
  margin-top: 0.1rem;
  font-size: 0.72rem;
  opacity: 0.78;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.shelly-device-add {
  margin: 0;
  width: 34px;
  min-width: 34px;
  height: 34px;
  border-radius: 8px;
  padding: 0;
  font-size: 1.15rem;
  line-height: 1;
  font-weight: 700;
  background: linear-gradient(135deg, #065f46, #065f46 40%, #0f766e);
  color: white;
}

.shelly-device-body {
  display: none;
  border-top: 1px dashed rgba(45, 75, 82, 0.25);
  padding: 0.5rem 0.6rem 0.6rem;
}

.shelly-device-entry.expanded .shelly-device-body {
  display: block;
}

.shelly-device-body p {
  margin: 0 0 0.4rem;
  font-size: 0.8rem;
  line-height: 1.4;
}

.shelly-device-specs {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.15rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  color: #0f172a;
}

.import-actions {
  display: grid;
  gap: 0.45rem;
}

.workspace-wrap {
  border-radius: 18px;
  border: 2px solid rgba(45, 75, 82, 0.2);
  background: rgba(255, 253, 248, 0.76);
  backdrop-filter: blur(2px);
  box-shadow: var(--panel-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.workspace-wrap header {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid rgba(45, 75, 82, 0.2);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.header-actions select {
  min-width: 140px;
  width: auto;
  padding: 0.45rem 0.5rem;
}

.compact-btn {
  width: auto;
  margin: 0;
  padding: 0.45rem 0.65rem;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.icon-btn .mdi {
  font-size: 1rem;
  line-height: 1;
}

.trash-btn {
  margin: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #ef4444, #b91c1c);
  color: #fff;
}

.trash-btn .mdi {
  font-size: 1.2rem;
  line-height: 1;
}

.trash-btn:disabled {
  cursor: not-allowed;
  opacity: 0.45;
  filter: none;
}

.workspace-wrap header p {
  margin: 0.35rem 0 0;
  opacity: 0.8;
}

.wire-mode-hint {
  font-size: 0.8rem;
  color: #0f766e;
}

.wire-mode-hint.active {
  color: #7f1d1d;
  font-weight: 600;
}

.zoom-controls {
  margin-top: 0.7rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.7rem;
}

.zoom-controls label {
  margin: 0;
  font-size: 0.8rem;
}

.zoom-controls input {
  width: 100%;
}

.zoom-controls span {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.84rem;
}

.planner-surface {
  display: grid;
  grid-template-columns: 34px 1fr;
  grid-template-rows: 34px 1fr;
  flex: 1;
  min-height: 0;
}

.ruler-corner {
  grid-column: 1;
  grid-row: 1;
  border-right: 1px solid rgba(45, 75, 82, 0.3);
  border-bottom: 1px solid rgba(45, 75, 82, 0.3);
  background: linear-gradient(145deg, #fef3c7, #fef9c3);
}

.ruler {
  background: linear-gradient(145deg, #fef3c7, #fef9c3);
}

.ruler-top {
  grid-column: 2;
  grid-row: 1;
  width: 100%;
  height: 34px;
  border-bottom: 1px solid rgba(45, 75, 82, 0.3);
}

.ruler-left {
  grid-column: 1;
  grid-row: 2;
  width: 34px;
  height: 100%;
  border-right: 1px solid rgba(45, 75, 82, 0.3);
}

.workspace-viewport {
  grid-column: 2;
  grid-row: 2;
  overflow: auto;
  position: relative;
  min-width: 0;
  min-height: 0;
}

.workspace-viewport.middle-panning {
  cursor: grabbing;
}

.workspace {
  position: relative;
  min-width: 0;
  min-height: 0;
  background-image: linear-gradient(rgba(13, 59, 65, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 59, 65, 0.12) 1px, transparent 1px),
    linear-gradient(160deg, rgba(255, 255, 255, 0.54), rgba(214, 236, 230, 0.54));
  background-size: 12px 12px, 12px 12px, 100% 100%;
}

.wire-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

.wire-layer path,
.wire-layer text {
  pointer-events: auto;
}

.workspace.wiring-mode {
  cursor: crosshair;
}

.item {
  position: absolute;
  user-select: none;
  border-radius: 10px;
  border: 2px solid rgba(30, 41, 59, 0.5);
  box-shadow: 0 8px 14px rgba(23, 29, 38, 0.2);
  color: #0f172a;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 0.4rem;
  cursor: grab;
  z-index: 3;
}
.item::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 12px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 140ms ease;
}

.item:active {
  cursor: grabbing;
}

.item.selected {
  border-color: #dc2626;
  box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.25), 0 8px 14px rgba(23, 29, 38, 0.2);
}
.item.selected::after {
  opacity: 1;
  box-shadow: 0 0 0 2px rgba(14, 116, 144, 0.4), 0 0 14px rgba(14, 116, 144, 0.3);
}
.item.selected .device-image,
.item.selected .connector-image,
.item.selected .pvc-image {
  filter: drop-shadow(0 0 6px rgba(14, 116, 144, 0.55)) drop-shadow(0 0 12px rgba(14, 116, 144, 0.35));
}

.item.placement-preview {
  opacity: 0.68;
  border-style: dashed;
  pointer-events: none;
}

.item.pvc {
  background: linear-gradient(150deg, #d1d5db, #9ca3af);
  z-index: 3;
}

.item.connector {
  background: transparent;
  border: none;
  box-shadow: none;
  overflow: visible;
  padding: 0;
}
.item.connector .connector-layer,
.item.connector .connector-badge-row {
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease;
}
.item.connector.show-connectors .connector-layer,
.item.connector.show-connectors .connector-badge-row {
  opacity: 1;
  pointer-events: auto;
}

.item.connector.selected {
  border-color: transparent;
  box-shadow: none;
}

.item.connector.selected .connector-image {
  filter: drop-shadow(0 0 6px rgba(14, 116, 144, 0.55)) drop-shadow(0 0 12px rgba(14, 116, 144, 0.35));
}

.item.connector.selected .connector-badge,
.item.connector.selected .connector-port {
  box-shadow: 0 0 0 2px rgba(14, 116, 144, 0.22);
}

.item.device {
  background: transparent;
  border: none;
  box-shadow: none;
  overflow: visible;
  padding: 0;
  z-index: 3;
}

.item.device.selected {
  border-color: transparent;
  box-shadow: none;
}

.item strong {
  display: block;
  font-size: 0.9rem;
}

.item span {
  font-size: 0.73rem;
  font-family: "IBM Plex Mono", monospace;
}

.item-caption {
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 4px;
  padding: 0.2rem 0.25rem;
  border-radius: 6px;
  background: rgba(241, 245, 249, 0.86);
  border: 1px solid rgba(30, 41, 59, 0.24);
}

.item.device .item-caption strong {
  font-size: 0.7rem;
}

.item.device .item-caption span {
  font-size: 0.62rem;
}

.device-canvas {
  position: absolute;
  inset: 0;
  overflow: visible;
}

.item-caption.device-info {
  left: calc(100% + 8px);
  right: auto;
  top: 50%;
  bottom: auto;
  transform: translateY(-50%);
  width: max-content;
  min-width: 170px;
  max-width: 240px;
  z-index: 4;
}

.item-caption.device-info.hidden,
.item-caption.hidden {
  display: none;
}

.device-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.pvc-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  pointer-events: none;
}

.terminal-marker,
.terminal-badge {
  position: absolute;
  transform: translate(-50%, -50%);
  margin: 0;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.8);
  color: #0f172a;
  font-family: "IBM Plex Mono", monospace;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.terminal-marker {
  width: 6px;
  height: 6px;
  min-width: 6px;
  padding: 0;
  background: rgba(251, 191, 36, 0.95);
}

.terminal-badge {
  width: auto;
  min-width: 14px;
  height: 14px;
  padding: 0 3px;
  background: rgba(253, 224, 71, 0.96);
  font-size: 0.43rem;
  line-height: 1;
  white-space: nowrap;
  z-index: 3;
  transition: transform 160ms ease, opacity 160ms ease;
}

.terminal-leader {
  position: absolute;
  height: 1px;
  transform-origin: 0 50%;
  background: rgba(15, 23, 42, 0.55);
  z-index: 2;
  transition: opacity 160ms ease;
}

.terminal-anchor,
.connector-port,
.connector-badge,
.pvc-dot {
  pointer-events: auto;
  cursor: pointer;
}

.terminal-anchor.unavailable {
  cursor: not-allowed;
}

.terminal-anchor.unavailable,
.terminal-leader.unavailable {
  opacity: 0.35;
}

.connector-port.unavailable,
.connector-badge.unavailable {
  opacity: 0.38;
  cursor: not-allowed;
}

.connector-port {
  position: absolute;
  width: 6px;
  height: 6px;
  min-width: 6px;
  border-radius: 999px;
  border: 1px solid rgba(17, 24, 39, 0.9);
  background: #f8fafc;
  transform: translate(-50%, -50%);
  margin-top: 0;
  padding: 0;
}

.connector-badge {
  position: absolute;
  width: auto;
  min-width: 14px;
  height: 12px;
  padding: 0 3px;
  border-radius: 999px;
  border: 1px solid rgba(17, 24, 39, 0.9);
  background: rgba(254, 240, 138, 0.96);
  color: #78350f;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.4rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transform: translate(-50%, calc(-50% + 13px));
  z-index: 3;
  margin-top: 0;
}

.connector-badge-row {
  position: absolute;
  left: 50%;
  top: calc(100% + 4px);
  display: inline-flex;
  gap: 2px;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 4;
}

.connector-port-badge {
  position: static;
  transform: none;
  pointer-events: auto;
}

.pvc-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  border: none;
  background: transparent;
  transform: translate(-50%, -50%);
  margin: 0;
  padding: 0;
}

.pvc-dot:hover {
  transform: none;
  filter: none;
}

.pvc-dot-top {
  transform: translate(-50%, 0);
}

.pvc-dot-top:hover {
  transform: translate(-50%, 0);
}

.pvc-dot-bottom {
  transform: translate(-50%, -100%);
}

.pvc-dot-bottom:hover {
  transform: translate(-50%, -100%);
}

.pvc-dot-left {
  transform: translate(0, -50%);
}

.pvc-dot-left:hover {
  transform: translate(0, -50%);
}

.pvc-dot-right {
  transform: translate(-100%, -50%);
}

.pvc-dot-right:hover {
  transform: translate(-100%, -50%);
}

.pvc-dot::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 2px;
  height: 2px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  transform: translate(-50%, -50%);
}

.pvc-dot:hover::before {
  background: #46f5e6;
  box-shadow: 0 0 4px rgba(70, 245, 230, 0.95), 0 0 8px rgba(70, 245, 230, 0.8), 0 0 14px rgba(70, 245, 230, 0.55);
}

/* ── Knockout markers (dot + leader + badge) ── */
.item.pvc {
  overflow: visible;
}

.ko-layer {
  position: absolute;
  inset: 0;
  overflow: visible;
  pointer-events: none;
}

.ko-anchor,
.ko-badge {
  position: absolute;
  transform: translate(-50%, -50%);
  margin: 0;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.8);
  font-family: "IBM Plex Mono", monospace;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  cursor: pointer;
}

.ko-anchor {
  width: 6px;
  height: 6px;
  min-width: 6px;
  padding: 0;
  background: rgba(99, 102, 241, 0.92);
}

.ko-badge {
  width: auto;
  min-width: 14px;
  height: 14px;
  padding: 0 3px;
  background: rgba(199, 210, 254, 0.96);
  color: #1e1b4b;
  font-size: 0.43rem;
  line-height: 1;
  white-space: nowrap;
  z-index: 3;
}

.ko-leader {
  position: absolute;
  height: 1px;
  transform-origin: 0 50%;
  background: rgba(15, 23, 42, 0.45);
  pointer-events: none;
}

.ko-anchor.unavailable,
.ko-leader.unavailable,
.ko-badge.unavailable {
  opacity: 0.35;
  cursor: not-allowed;
}

.terminal-marker:hover,
.terminal-anchor:hover {
  transform: translate(-50%, -50%);
}

.terminal-badge:hover {
  transform: translate(-50%, -50%) scale(0.78);
}

.item.device.show-terminals .terminal-badge:hover {
  transform: translate(-50%, -50%) scale(1);
}

.connector-port:hover {
  transform: translate(-50%, -50%);
}

.connector-badge:not(.connector-port-badge):hover {
  transform: translate(-50%, calc(-50% + 13px));
}

.connector-port-badge:hover {
  transform: none;
}

.ko-anchor:hover,
.ko-badge:hover {
  transform: translate(-50%, -50%);
}

.ko-anchor.available:hover,
.ko-badge.available:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.3);
}

.connector-port:hover,
.connector-badge:hover,
.terminal-anchor.available:hover {
  filter: brightness(1.08);
  box-shadow: 0 0 0 2px rgba(14, 116, 144, 0.18);
}

.wire-config-popover {
  position: fixed;
  z-index: 20;
  width: 220px;
  padding: 0.7rem;
  border-radius: 10px;
  border: 1px solid rgba(15, 23, 42, 0.25);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.25);
}

.wire-config-popover.hidden {
  display: none;
}

.wire-config-popover label {
  margin-top: 0;
}

.wire-config-popover .button-row button {
  margin-top: 0.45rem;
}

.terminal-layer {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease;
}

.item.device.show-terminals .terminal-layer {
  opacity: 1;
}

.terminal-origin,
.terminal-badge,
.terminal-leader {
  opacity: 0;
}

.terminal-origin {
  z-index: 3;
}

.terminal-badge {
  transform: translate(-50%, -50%) scale(0.78);
}

.item.device.show-terminals .terminal-origin,
.item.device.show-terminals .terminal-leader,
.item.device.show-terminals .terminal-badge {
  opacity: 1;
}

.item.device.show-terminals .terminal-badge {
  transform: translate(-50%, -50%) scale(1);
}

.item.device.show-terminals .terminal-anchor {
  pointer-events: auto;
}

.item.device.show-terminals .terminal-badge {
  pointer-events: auto;
  cursor: pointer;
}

.item strong,
.item span,
.item-caption,
.device-canvas,
.device-image {
  pointer-events: none;
}

@media (max-width: 1080px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .planner-tabs {
    grid-template-columns: 1fr;
  }

  .planner-surface {
    min-height: 450px;
  }

  .header-actions {
    justify-content: flex-start;
  }
}

.nav-link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  width: 100%;
  border-radius: 8px;
  padding: 0.62rem 0.7rem;
  margin-top: 0;
}

.nav-link-button.primary {
  background: linear-gradient(135deg, var(--accent), #0c4a6e);
  color: white;
}

.nav-link-button.ghost {
  background: #e5efe7;
  color: #11332a;
  border: 1px solid rgba(17, 51, 42, 0.26);
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #0f766e;
}

.welcome-layout {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.welcome-card {
  width: min(900px, 100%);
  border-radius: 18px;
  border: 2px solid rgba(45, 75, 82, 0.2);
  background: color-mix(in srgb, var(--paper) 86%, white);
  box-shadow: var(--panel-shadow);
  padding: clamp(1rem, 2vw, 1.8rem);
}

.welcome-card h1 {
  margin: 0.25rem 0 0.6rem;
}

.welcome-card h2 {
  margin: 1.05rem 0 0.4rem;
  font-size: 1.05rem;
}

.welcome-card p {
  margin: 0.45rem 0;
  line-height: 1.55;
}

.welcome-list {
  margin: 0.65rem 0 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.35rem;
}

.welcome-actions {
  margin-top: 1rem;
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.welcome-actions .nav-link-button,
.welcome-actions button {
  width: auto;
  margin: 0;
}

.tutorial-card {
  max-width: 980px;
}

.device-builder-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(320px, 380px) 1fr;
  gap: 1.25rem;
  height: 100vh;
  padding: 1.25rem;
  overflow: hidden;
}

.builder-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  overflow-y: auto;
  min-height: 0;
}

.builder-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.builder-form {
  display: grid;
  gap: 0.2rem;
}

.builder-two-up {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.builder-meta-grid {
  margin-top: 0.65rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}

.stat-card {
  padding: 0.65rem;
  border-radius: 10px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(229, 239, 231, 0.78));
  border: 1px solid rgba(45, 75, 82, 0.18);
}

.stat-label {
  display: block;
  margin-bottom: 0.28rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
}

.stat-card strong {
  display: block;
  font-size: 0.95rem;
  font-family: "IBM Plex Mono", monospace;
  word-break: break-word;
}

.builder-zoom-controls {
  margin-top: 0.8rem;
}

.builder-status {
  min-height: 1.2rem;
  margin: 0.65rem 0 0;
  font-size: 0.84rem;
}

.builder-status[data-tone="error"] {
  color: #991b1b;
}

.builder-status[data-tone="success"] {
  color: #166534;
}

.builder-status[data-tone="pending"] {
  color: #0f766e;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.section-head button {
  margin-top: 0;
}

.mapping-list {
  display: grid;
  gap: 0.55rem;
}

.mapping-list.empty {
  padding: 0.9rem;
  border-radius: 10px;
  border: 1px dashed rgba(45, 75, 82, 0.28);
  background: rgba(255, 255, 255, 0.55);
}

.mapping-list.empty p {
  margin: 0;
}

.mapping-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.65rem 0.7rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(45, 75, 82, 0.15);
}

.mapping-row strong,
.mapping-row span {
  display: block;
}

.mapping-row span {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  opacity: 0.72;
}

.mapping-remove-btn {
  width: auto;
}

.builder-canvas-wrap {
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.builder-stage-shell {
  position: relative;
  display: flex;
  flex: 1;
  min-height: 0;
  padding: 1rem;
  overflow: auto;
  background:
    radial-gradient(circle at top left, rgba(250, 204, 21, 0.18), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(225, 239, 234, 0.74));
}

.builder-stage-shell.drop-active {
  box-shadow: inset 0 0 0 2px rgba(14, 116, 144, 0.65);
  background:
    radial-gradient(circle at top left, rgba(14, 116, 144, 0.14), transparent 32%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(225, 239, 234, 0.78));
}

.builder-empty-state {
  margin: auto;
  display: grid;
  gap: 0.4rem;
  text-align: center;
  max-width: 320px;
}

.builder-empty-state strong {
  font-size: 1.15rem;
}

.builder-empty-state span {
  opacity: 0.76;
}

.builder-stage.hidden,
.builder-empty-state.hidden,
.terminal-picker.hidden {
  display: none;
}

.builder-stage {
  position: relative;
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  min-width: max-content;
  min-height: max-content;
}

.builder-image-frame {
  position: relative;
  flex: none;
  transform-origin: center center;
  transition: transform 140ms ease;
  box-shadow: 0 22px 45px rgba(15, 23, 42, 0.18);
}

.builder-image,
.builder-markers {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.builder-image {
  display: block;
  object-fit: fill;
  user-select: none;
}

.builder-markers {
  pointer-events: none;
}

.image-terminal-marker {
  position: absolute;
  width: auto;
  min-width: 18px;
  padding: 0 6px;
  height: 18px;
  transform: translate(-50%, -50%);
  margin: 0;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.96);
  color: #fff;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.62rem;
  line-height: 1;
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.24);
}

.image-terminal-marker:hover {
  transform: translate(-50%, -50%);
  filter: none;
}

.terminal-picker {
  position: absolute;
  z-index: 5;
  width: 220px;
  padding: 0.8rem;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.18);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.2);
}

.terminal-picker .button-row button {
  margin-top: 0.5rem;
}

.terminal-picker-coords {
  margin: 0 0 0.4rem;
  font-family: "IBM Plex Mono", monospace;
}

.wizard-step.hidden,
.hidden {
  display: none !important;
}

@media (max-width: 1080px) {
  .device-builder-layout {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
  }

  .builder-sidebar {
    overflow-y: visible;
  }

  .builder-stage-shell {
    min-height: 460px;
  }

  .builder-two-up,
  .builder-meta-grid {
    grid-template-columns: 1fr;
  }
}