* {
  box-sizing: border-box;
}

:root {
  --bg: #0f172a;
  --card: #1e293b;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --accent: #0d9488;
  --accent-hover: #0f766e;
  --input-bg: #334155;
  --border: #475569;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

.app {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  padding: clamp(0.75rem, 3vw, 1.25rem);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  flex-shrink: 0;
}

.header-brand {
  min-width: 0;
  flex: 1;
  text-align: left;
}

.header-config-btn {
  flex-shrink: 0;
  text-decoration: none;
  color: inherit;
}

.header-spacer {
  width: 44px;
  flex-shrink: 0;
}

.header-config {
  flex-wrap: wrap;
}
.header-config .btn-back {
  order: -1;
  width: 100%;
  margin-bottom: 0.5rem;
}
@media (min-width: 360px) {
  .header-config .btn-back {
    width: auto;
    order: 0;
    margin-bottom: 0;
  }
}
.header-config h1 {
  flex: 1;
  text-align: center;
  font-size: 1.25rem;
}
@media (min-width: 360px) {
  .header-config h1 {
    text-align: left;
    font-size: 1.5rem;
  }
}

.header h1 {
  margin: 0;
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  color: var(--accent);
}

.subtitle {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.btn-icon {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
a.btn-icon,
button.btn-icon {
  text-decoration: none;
  flex-shrink: 0;
  margin: 0;
}
button.btn-icon {
  font: inherit;
}

.btn-icon:hover,
.btn-icon:focus {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.btn-icon svg {
  display: block;
}

.btn-sair {
  flex-shrink: 0;
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.btn-sair:hover,
.btn-sair:focus {
  color: var(--accent);
  background: rgba(13, 148, 136, 0.1);
}

.btn-close {
  font-size: 1.5rem;
  line-height: 1;
}

main {
  flex: 1;
}

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

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

.card h2 {
  margin: 0 0 1rem;
  font-size: 1rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.admin-result {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}
.admin-hash-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}
.admin-hash-box code {
  flex: 1;
  min-width: 0;
  padding: 0.6rem 0.75rem;
  background: var(--input-bg);
  border-radius: 8px;
  font-size: 0.8rem;
  word-break: break-all;
}
.card code {
  background: rgba(71, 85, 105, 0.4);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

label {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

label:last-child {
  margin-bottom: 0;
}

label span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--muted);
}

input[type="number"],
input[type="text"],
select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text);
  font-size: 1rem;
}

input[type="range"] {
  width: 100%;
  margin-top: 0.5rem;
  accent-color: var(--accent);
}

.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
}

.radio-group .radio {
  display: inline-flex;
  align-items: center;
  margin: 0;
}

.radio input {
  margin-right: 0.4rem;
  accent-color: var(--accent);
}

.dims {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.dims.hidden,
#furos-dims.hidden,
#furo-cilindrico.hidden {
  display: none !important;
}

.hint {
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.config .hint {
  margin-top: 0.25rem;
}

.btn {
  padding: 0.9rem 1.5rem;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: white;
  margin-top: 0.5rem;
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--accent-hover);
}

.btn-secondary {
  display: inline-block;
  text-align: center;
  text-decoration: none;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  margin-top: 0.5rem;
}
.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--input-bg);
  border-color: var(--accent);
  color: var(--accent);
}

.btn-back {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
}
.btn-back:hover,
.btn-back:focus {
  color: var(--accent);
  border-color: var(--accent);
}

.config-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}
.config-actions .btn {
  margin-top: 0;
}

.resultado {
  margin-top: 1rem;
}

.resultado.hidden {
  display: none;
}

.resultado h2 {
  color: var(--accent);
}

.resumo p {
  margin: 0.5rem 0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.resumo .total {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 1.1rem;
}

.resumo .total span {
  color: var(--accent);
  font-weight: 700;
}

.historico {
  margin-top: 1rem;
}

.historico h2 {
  color: var(--accent);
  font-size: 1rem;
}

.historico-lista {
  margin-top: 0.5rem;
}

.historico-itens {
  list-style: none;
  margin: 0;
  padding: 0;
}

.historico-itens li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.historico-itens li:last-child {
  border-bottom: none;
}

.historico-data {
  font-size: 0.85rem;
  color: var(--muted);
  min-width: 4.5rem;
}

.historico-cliente {
  flex: 1;
  min-width: 0;
}

.pintura-line.hidden {
  display: none !important;
}

#out-total-qtd-line.hidden {
  display: none !important;
}

footer {
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.8rem;
  color: var(--muted);
}

footer p {
  margin: 0;
}

@media (min-width: 380px) {
  .dims {
    grid-template-columns: 1fr 1fr 1fr;
  }

  #dims-cilindrica.dims {
    grid-template-columns: 1fr 1fr;
  }

  #furo-retangular {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.75rem;
  }
}

@media (min-width: 480px) {
  .app {
    padding: 1.25rem;
  }
  .header {
    margin-bottom: 1.5rem;
  }
}