/* =====================================================================
   DRIPCALC
   Todas as classes usam o prefixo .dc- e vivem dentro de #preview-tool.
   Usa os tokens de cor de style.css (tema escuro único, AD-06).
   ===================================================================== */

#preview-tool {
  width: min(100%, 1100px);
  align-self: flex-start;
  margin: 0 auto;
}

/* --- reset: neutraliza as regras globais de button/input de style.css --- */

.dc-root button {
  display: inline-block;
  width: auto;
  margin-bottom: 0;
  padding: 8px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel-muted);
  color: var(--color-text);
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  transform: none;
  box-shadow: none;
}

.dc-root button:hover {
  background: var(--color-panel-muted);
  border-color: var(--color-accent);
  transform: none;
  box-shadow: none;
}

.dc-root button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.dc-root input,
.dc-root select {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-soft);
  color: var(--color-text);
  font: inherit;
  font-size: 0.95rem;
  color-scheme: dark;
}

.dc-root input:focus,
.dc-root select:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: -1px;
  border-color: transparent;
}

/* --- topo: título + abas de modo --- */

.dc-root {
  font-size: 0.88rem;
  line-height: 1.45;
}

.dc-top {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
  padding: 12px 16px;
  background: rgba(17, 28, 47, 0.72);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.dc-top h2 {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.dc-sub {
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.dc-sp {
  flex: 1;
}

.dc-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.dc-root .dc-tabs button[aria-selected="true"] {
  background: var(--color-accent-strong);
  border-color: var(--color-accent);
  color: #fff;
  font-weight: 700;
}

/* --- layout de duas colunas --- */

.dc-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 16px;
  align-items: start;
}

.dc-form {
  padding: 14px 16px 16px;
  background: rgba(17, 28, 47, 0.86);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.dc-copy {
  margin: 0 0 12px;
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

.dc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 14px;
}

.dc-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
  color: var(--color-text-muted);
  font-size: 0.74rem;
  font-weight: 700;
}

.dc-field[hidden] {
  display: none;
}

.dc-field.dc-full {
  grid-column: 1 / -1;
}

/* --- resultado --- */

.dc-side {
  position: sticky;
  top: 0;
  display: grid;
  gap: 10px;
}

.dc-result {
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 20px;
  background: linear-gradient(180deg, var(--color-panel), var(--color-panel-muted));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  text-align: center;
}

.dc-result-label {
  color: var(--color-accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.dc-result-value {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.dc-result-value.dc-muted {
  color: var(--color-text-muted);
}

.dc-result-meta {
  color: var(--color-text-soft);
  font-size: 0.8rem;
}

.dc-result-error {
  color: #fca5a5;
  font-weight: 600;
}

.dc-actions {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 8px;
}

.dc-root button.dc-primary,
.dc-root button.dc-primary:hover {
  background: var(--color-accent-strong);
  border-color: var(--color-accent);
  color: #fff;
  font-weight: 700;
}

.dc-hint {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.74rem;
}

@media (max-width: 860px) {
  .dc-main {
    grid-template-columns: 1fr;
  }

  .dc-side {
    position: static;
  }

  .dc-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
  }

  .dc-tabs button {
    white-space: nowrap;
  }
}