:root {
  --bg: #f4f6fa;
  --paper: #fafbfc;
  --card: #ffffff;
  --ink: #1a3a6c;
  --ink-soft: #5a6478;
  --dim: #c44a2e;
  --accent: #1a3a6c;
  --ok: #2c8a4c;
  --warn: #d49a1a;
  --bad: #c44a2e;
  --grid: #c4cdd8;
  --shadow: 0 1px 3px rgba(26, 58, 108, 0.08);
  --mono: "JetBrains Mono", "SF Mono", "Consolas", "Courier New", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.layout {
  display: grid;
  grid-template-columns: 220px 1fr 200px;
  gap: 1rem;
  align-items: start;
}

.center-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.metrics-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .metrics-group {
    display: contents;
  }
}

header {
  text-align: center;
  margin-bottom: 1.5rem;
}

h1 {
  font-size: 2rem;
  margin: 0.2rem 0;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-family: var(--mono);
  text-transform: uppercase;
}

.lead {
  color: var(--ink-soft);
  margin: 0 auto;
  max-width: 36rem;
  font-size: 0.95rem;
}

.scene-wrap {
  position: relative;
  background: var(--paper);
  border-radius: 6px;
  border: 1px solid var(--grid);
  overflow: hidden;
}

#scene {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 4.2;
}

.invalid {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(196, 74, 46, 0.92);
  color: white;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--mono);
}

.hidden { display: none !important; }

.group-body .chk {
  padding-top: 0.5rem;
  margin-top: 0.2rem;
  border-top: 1px solid var(--grid);
}

.chk {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  cursor: pointer;
  user-select: none;
}

.chk input[type=checkbox] {
  accent-color: var(--dim);
  width: 13px;
  height: 13px;
  cursor: pointer;
}

.chk:has(input:disabled) {
  opacity: 0.45;
  cursor: not-allowed;
}

.chk:has(input:disabled) input,
.chk:has(input:disabled) .tip-mark {
  cursor: not-allowed;
}

.has-tip {
  cursor: help;
}

.tip-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--grid);
  border-radius: 50%;
  margin-left: 0.15rem;
}

.has-tip:hover .tip-mark {
  color: var(--dim);
  border-color: var(--dim);
}

/* cards de forca: estilo identico aos cards padrao (tudo azul) */

.controls {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--card);
  padding: 1rem;
  border-radius: 6px;
  border: 1px solid var(--grid);
}

/* reset e seletor de cenário sempre fixos no topo, independente da reordenação */
.controls .reset-btn  { order: -3; }
.controls .mode-picker { order: -2; }
/* modo "tenho rede": grupo rede sobe acima do grupo armadores */
.controls[data-mode="rede"] #group_rede { order: -1; }

.reset-btn {
  align-self: flex-end;
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--grid);
  border-radius: 4px;
  padding: 0.3rem 0.55rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.reset-btn:hover {
  color: var(--dim);
  border-color: var(--dim);
}

.mode-picker {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--grid);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink);
}

.mode-picker .mode-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  margin-bottom: 0.15rem;
}

.mode-picker label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
}

.mode-picker input[type=radio] {
  accent-color: var(--dim);
}

.group {
  border: 1px solid var(--grid);
  border-radius: 4px;
  padding: 0;
  margin: 0;
  min-width: 0;
}

.group > summary {
  padding: 0.5rem 0.7rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  cursor: pointer;
  user-select: none;
}

.group > summary:hover {
  color: var(--ink);
}

.group[open] > summary {
  border-bottom: 1px solid var(--grid);
}

.group-body {
  padding: 0.7rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.select-field {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.select-field label {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.select-field select {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--grid);
  border-radius: 4px;
  padding: 0.3rem 0.45rem;
  cursor: pointer;
}

.select-field select:focus {
  outline: none;
  border-color: var(--dim);
}

.slider {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.slider input[type=range]:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.slider:has(input[type=range]:disabled) label,
.slider:has(input[type=range]:disabled) output,
.slider:has(input[type=range]:disabled) .slider-desc,
.slider:has(input[type=range]:disabled) .num-input,
.slider:has(input[type=range]:disabled) .unit {
  opacity: 0.5;
}

.slider label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dim);   /* inputs em laranja/vermelho */
  font-family: var(--mono);
}

.slider output {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--dim);
  font-size: 0.85rem;
}

.num-input {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--dim);
  font-size: 0.85rem;
  width: 4.2em;
  padding: 0.05rem 0.25rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 3px;
  text-align: right;
  -moz-appearance: textfield;
}

.num-input::-webkit-outer-spin-button,
.num-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.num-input:not(:read-only):hover {
  border-color: var(--grid);
}

.num-input:focus {
  outline: none;
  border-color: var(--dim);
  background: var(--paper);
}

.num-input:read-only {
  cursor: default;
}

.unit {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--dim);
  font-size: 0.85rem;
  margin-left: 0.15rem;
}

.slider-desc {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-soft);
  margin-bottom: 0.2rem;
}

.slider input[type=range] {
  width: 100%;
  accent-color: var(--dim);
}

.metrics {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

@media (max-width: 900px) {
  .metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
  }
}

.metric {
  background: var(--card);
  border: 1px solid var(--grid);
  border-radius: 4px;
  padding: 0.7rem 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.metric-label {
  font-size: 0.72rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
  font-family: var(--mono);
}

.metric-value {
  font-size: 1.25rem;
  font-weight: 700;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.metric-sub {
  font-size: 0.78rem;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.metric-ideal {
  border-color: var(--ok);
  background: rgba(44, 138, 76, 0.04);
}

.metric-ideal .metric-label {
  color: var(--ok);
}

.comfort {
  font-size: 0.7rem;
  padding: 0.1rem 0.45rem;
  border-radius: 3px;
  align-self: flex-start;
  font-weight: 600;
  margin-top: 0.15rem;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border: 1px solid currentColor;
}

.comfort.ok   { color: var(--ok);   background: rgba(44, 138, 76, 0.08); }
.comfort.good { color: var(--warn); background: rgba(212, 154, 26, 0.08); }
.comfort.bad  { color: var(--bad);  background: rgba(196, 74, 46, 0.08); }

footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.85rem;
  font-family: var(--mono);
}

footer a {
  color: var(--dim);
  text-decoration: none;
  border-bottom: 1px dashed var(--dim);
}

footer a:hover { color: var(--ink); border-color: var(--ink); }