:root {
  --senai-blue: #005ca9;
  --senai-blue-dark: #003f73;
  --senai-blue-deep: #002e5b;
  --senai-blue-soft: #e9f3fb;
  --senai-orange: #f47b20;
  --senai-orange-dark: #d95f00;

  --navy-950: var(--senai-blue-deep);
  --navy-900: var(--senai-blue-dark);
  --navy-800: #07558d;
  --navy-700: var(--senai-blue);
  --cyan-500: var(--senai-blue);
  --cyan-300: #4fa0d8;
  --amber-500: var(--senai-orange);
  --ink: #18324a;
  --muted: #5f7182;
  --line: #d5e1ea;
  --surface-2: #f5f9fc;
  --surface-3: #eaf3f9;
  --shadow: 0 12px 35px rgba(0, 63, 115, 0.14);
}

body {
  background: #edf4f8;
}

button:hover:not(:disabled) {
  border-color: var(--senai-blue);
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex="0"]:focus-visible {
  outline-color: rgba(244, 123, 32, 0.32);
}

button.primary {
  background: var(--senai-orange);
  border-color: var(--senai-orange);
  color: #fff;
  box-shadow: 0 4px 12px rgba(244, 123, 32, 0.18);
}

button.primary:hover:not(:disabled) {
  background: var(--senai-orange-dark);
  border-color: var(--senai-orange-dark);
}

button.secondary {
  background: var(--senai-blue);
  border-color: var(--senai-blue);
}

.eyebrow,
.network-number {
  color: var(--senai-orange);
}

.topbar {
  background: linear-gradient(135deg, var(--senai-blue-deep), var(--senai-blue-dark) 62%, var(--senai-blue));
  border-bottom: 4px solid var(--senai-orange);
  box-shadow: 0 8px 24px rgba(0, 46, 91, 0.22);
}

.brand-block {
  min-width: 270px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 0.72rem;
  row-gap: 0.12rem;
  align-items: center;
}

.brand-mark {
  grid-row: 1 / span 2;
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: #fff;
  color: var(--senai-blue-dark);
  border-bottom: 4px solid var(--senai-orange);
  font-size: 0.95rem;
  font-weight: 900;
  letter-spacing: 0.03em;
  box-shadow: 0 5px 14px rgba(0, 28, 55, 0.22);
}

.brand-block > div {
  grid-column: 2;
  min-width: 0;
}

.brand-block::after {
  content: "Ambiente didático · SENAI";
  grid-column: 2;
  color: #ffd4b2;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand-block strong {
  font-size: 1.08rem;
}

.brand-block span {
  color: #d9e9f5;
}

.project-name-field {
  color: #e3eff7;
}

.project-name-field input {
  background: rgba(255,255,255,0.11);
  border-color: rgba(255,255,255,0.24);
}

.topbar-actions button {
  background: rgba(255,255,255,0.10);
  border-color: rgba(255,255,255,0.22);
}

.topbar-actions button:hover:not(:disabled) {
  background: rgba(255,255,255,0.16);
  border-color: #fff;
}

.project-bar {
  border-bottom: 1px solid #c8dae7;
}

.simulation-bar {
  background: linear-gradient(90deg, var(--senai-blue-dark), var(--senai-blue));
}

.simulation-bar button {
  background: rgba(0, 46, 91, 0.46);
  border-color: rgba(255,255,255,0.18);
}

.simulation-bar button.primary {
  background: var(--senai-orange);
  border-color: var(--senai-orange);
  color: #fff;
}

.status-pill {
  border-color: rgba(255,255,255,0.30);
  background: rgba(0,0,0,0.08);
}

.status-pill.running span {
  background: #6fd28c;
  box-shadow: 0 0 0 5px rgba(111,210,140,0.16);
}

.status-pill.paused span {
  background: var(--senai-orange);
}

.panel,
.network-card {
  border-color: #cedde8;
  box-shadow: 0 4px 16px rgba(0, 63, 115, 0.06);
}

.network-card.selected {
  border-color: var(--senai-blue);
  box-shadow: 0 0 0 2px rgba(0, 92, 169, 0.11), var(--shadow);
}

.compatibility-note,
.mode-note {
  border-left-color: var(--senai-orange);
}

.palette-group h3 {
  color: var(--senai-blue-dark);
}

.branch-chip.active,
.property-type {
  background: var(--senai-blue);
  border-color: var(--senai-blue);
}

.ladder-svg .rail {
  stroke: var(--senai-blue-dark);
}

.ladder-svg .wire.energized,
.ladder-svg .ladder-element.energized line,
.ladder-svg .ladder-element.energized path,
.ladder-svg .ladder-element.energized rect:not(.selection-box) {
  stroke: var(--senai-orange);
  filter: drop-shadow(0 0 3px rgba(244,123,32,.48));
}

.ladder-svg .ladder-element.selected .selection-box {
  stroke: var(--senai-blue);
  fill: rgba(0,92,169,0.07);
}

.memory-bit.active {
  background: #e6f2fb;
  border-color: var(--senai-blue);
  color: var(--senai-blue-dark);
}

.scene-wall {
  fill: #dbe6ed;
  stroke: #9db1bf;
}

.scene-opening {
  fill: #eef7fc;
}

.scene-door-frame {
  fill: none;
  stroke: var(--senai-blue-dark);
  stroke-width: 4;
}

.scene-door {
  fill: #79b4da;
  stroke: var(--senai-blue-dark);
  stroke-width: 2.5;
}

.scene-door-glass {
  fill: #dff2fb;
  stroke: #4b86ad;
  stroke-width: 1.5;
  opacity: 0.78;
}

.scene-door-handle {
  stroke: #f5fbff;
  stroke-width: 3;
  stroke-linecap: round;
}

.scene-threshold {
  stroke: #6f8798;
  stroke-width: 3;
}

.scene-sensor {
  fill: #6f8798;
}

.scene-sensor.active {
  fill: var(--senai-orange);
  filter: drop-shadow(0 0 7px rgba(244,123,32,.65));
}

.scene-door-state rect {
  fill: #fff;
  stroke: #b9cbd7;
  stroke-width: 1.5;
}

.scene-door-state text {
  fill: var(--senai-blue-dark);
  font-size: 11px;
  font-weight: 800;
}

.scene-door-state.opening rect,
.scene-door-state.open rect {
  stroke: #55a678;
}

.scene-door-state.opening text,
.scene-door-state.open text {
  fill: #267548;
}

.scene-door-state.closing rect {
  stroke: var(--senai-orange);
}

.scene-door-state.closing text {
  fill: #9b4b0f;
}

.scene-door-state.conflict rect {
  stroke: #d95c59;
  fill: #fff1f0;
}

.scene-door-state.conflict text {
  fill: #a32f2c;
}

.notice {
  background: #fff2e8;
  border-color: #f6bd91;
  color: #8b420d;
}

@media (max-width: 860px) {
  .brand-block {
    min-width: 0;
  }

  .brand-mark {
    width: 44px;
    height: 44px;
  }

  .brand-block::after {
    font-size: 0.58rem;
  }
}