:root {
  --volt-black: #0a0a0a;
  --volt-black-2: #141414;
  --volt-lime: #ADC539;
  --volt-lime-dim: #8ba52d;
  --text-primary: #ffffff;
  --text-secondary: #9a9a9a;
  --border-color: #2a2a2a;
  --input-bg: #1c1c1c;
  --placeholder-color: #6b6b6b;
  --erro: #ff6b6b;
  --font-title: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --font-body: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  color-scheme: dark;
}

:root[data-tema="claro"] {
  --volt-black: #f4f4f1;
  --volt-black-2: #ffffff;
  --text-primary: #14140f;
  --text-secondary: #5c5c56;
  --border-color: #e0e0da;
  --input-bg: #ffffff;
  --placeholder-color: #9a9a92;
  color-scheme: light;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--volt-black);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.5;
  transition: background-color .2s ease, color .2s ease;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */

.topbar {
  border-bottom: 1px solid var(--border-color);
  padding: 18px 0;
}

.topbar-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.topbar-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.logo-icon {
  display: block;
  height: 34px;
  width: auto;
}

.topbar-titulo-principal {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 24px;
  color: var(--text-primary);
  letter-spacing: 0.2px;
}

.topbar-badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--volt-lime-dim);
  border: 1px solid var(--volt-lime-dim);
  border-radius: 999px;
  padding: 3px 10px;
}

.btn-tema {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}

.btn-tema {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--volt-black-2);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color .15s ease, color .15s ease;
}

.btn-tema:hover {
  border-color: var(--volt-lime-dim);
  color: var(--volt-lime);
}

.btn-tema svg {
  width: 20px;
  height: 20px;
}

/* ---------- Intro ---------- */

.intro {
  padding: 40px 0 24px;
}

.intro h1 {
  font-family: var(--font-title);
  font-size: 28px;
  margin: 0 0 8px;
}

.intro p {
  color: var(--text-secondary);
  margin: 0;
  font-size: 15px;
}

/* ---------- Cards ---------- */

.card {
  background: var(--volt-black-2);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
}

legend, .legend-solta {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 17px;
  padding: 0;
  margin-bottom: 4px;
}

/* O <legend> nativo do fieldset fica sobre a borda do card. Este ajuste tira
   o texto da borda: ele vira um bloco no topo do card e a borda fecha inteira. */
fieldset.card {
  overflow: hidden;
}
fieldset.card > legend {
  float: left;
  width: 100%;
  margin: 0 0 18px;
}

fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

.itens-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.itens-contador {
  font-size: 13px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.ajuda-itens {
  color: var(--text-secondary);
  font-size: 13px;
  margin: 8px 0 20px;
}

/* ---------- Campos ---------- */

.campo {
  margin-bottom: 18px;
}

.campo:last-child { margin-bottom: 0; }

.campo label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.obrig {
  color: var(--volt-lime);
}

/* Estiliza TODOS os tipos de input relevantes de forma consistente
   (correção do bug antigo em que só input[type=text] era estilizado) */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
select,
textarea {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
  border-color: var(--volt-lime);
  box-shadow: 0 0 0 3px rgba(173, 197, 57, 0.15);
}

input::placeholder,
textarea::placeholder {
  color: var(--placeholder-color);
}

textarea {
  min-height: 90px;
  resize: vertical;
}

input[type="file"] {
  width: 100%;
  color: var(--text-secondary);
  font-size: 13px;
  background: var(--input-bg);
  border: 1px dashed var(--border-color);
  border-radius: 8px;
  padding: 12px 14px;
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239a9a9a' stroke-width='2'%3e%3cpath d='M6 9l6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.ajuda-campo {
  color: var(--text-secondary);
  font-size: 12px;
  margin-top: 6px;
}

.campo-erro {
  color: var(--erro);
  font-size: 12px;
  margin-top: 6px;
  display: none;
}

.campo.invalido input,
.campo.invalido select,
.campo.invalido textarea {
  border-color: var(--erro);
}

.campo.invalido .campo-erro {
  display: block;
}

/* ---------- Item de troca ---------- */

.item-troca {
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
  position: relative;
}

.item-troca-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.item-troca-titulo {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 14px;
  color: var(--volt-lime);
}

.btn-remover-item {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  text-decoration: underline;
}

.btn-remover-item:hover { color: var(--erro); }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 560px) {
  .grid-2 { grid-template-columns: 1fr; }
}

/* ---------- Botões ---------- */

.btn-primario,
.btn-secundario {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  border-radius: 8px;
  padding: 14px 20px;
  cursor: pointer;
  border: none;
  width: 100%;
}

.btn-primario {
  background: var(--volt-lime);
  color: #0a0a0a;
  box-shadow: 0 0 20px rgba(173, 197, 57, 0.25);
}

.btn-primario:hover { background: var(--volt-lime-dim); }

.btn-primario:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secundario {
  background: transparent;
  color: var(--volt-lime);
  border: 1px solid var(--volt-lime-dim);
}

.btn-secundario:hover {
  background: rgba(173, 197, 57, 0.08);
}

.envio {
  margin-top: 8px;
}

.erro-geral {
  color: var(--erro);
  font-size: 14px;
  margin-top: 12px;
  text-align: center;
}

.aviso {
  border-left: 3px solid var(--volt-lime-dim);
  background: var(--volt-black-2);
  border-radius: 0 10px 10px 0;
  padding: 14px 18px;
  margin-top: 24px;
}

.aviso-titulo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.aviso-titulo svg {
  width: 13px;
  height: 13px;
  color: var(--volt-lime-dim);
  flex-shrink: 0;
}

.aviso p {
  color: var(--text-secondary);
  font-size: 11.5px;
  line-height: 1.5;
  margin: 0 0 8px;
}

.aviso p:last-child {
  margin-bottom: 0;
}

/* ---------- Loading ---------- */

#tela-enviando {
  padding: 100px 0;
  text-align: center;
}

.loading p {
  color: var(--text-secondary);
  margin-top: 20px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--volt-lime);
  border-radius: 50%;
  margin: 0 auto;
  animation: girar 0.8s linear infinite;
}

@keyframes girar {
  to { transform: rotate(360deg); }
}

/* ---------- Sucesso ---------- */

#tela-sucesso {
  padding: 60px 0;
}

.sucesso {
  text-align: center;
  padding: 48px 32px;
}

.check {
  width: 56px;
  height: 56px;
  background: var(--volt-lime);
  color: #0a0a0a;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  margin: 0 auto 20px;
}

.sucesso h2 {
  font-family: var(--font-title);
  margin: 0 0 4px;
}

.sucesso p {
  color: var(--text-secondary);
  margin: 4px 0;
}

.protocolo {
  font-family: var(--font-title);
  font-size: 26px;
  font-weight: 700;
  color: var(--volt-lime);
  text-shadow: 0 0 16px rgba(173, 197, 57, 0.5);
  margin: 12px 0 20px;
  letter-spacing: 1px;
}

.prazo-msg {
  color: var(--text-primary) !important;
  font-weight: 500;
}

.proximos {
  font-size: 13px;
  margin-bottom: 28px !important;
}

/* ---------- Rodapé ---------- */

.rodape {
  padding: 30px 20px 50px;
  color: var(--text-secondary);
  font-size: 12px;
  text-align: center;
}

.rodape-slogan {
  font-family: var(--font-title);
  font-weight: 700;
  color: var(--text-primary);
  font-size: 13px;
  margin-bottom: 6px !important;
}

/* Contagem de caracteres da descrição do problema */
.campo-contagem {
  color: var(--text-secondary);
  font-size: 12px;
  margin-top: 6px;
}

.campo-contagem.completo {
  color: var(--volt-lime);
}