/* =====================================================
   TOKENS / VARIÁVEIS (ajusta à tua paleta)
===================================================== */
:root{
  --bg: #fff;
  --ink: #0f172a;
  --ink-2: #475569;
  --ink-3: #64748b;

  --brand: #0ea5e9;         /* azul primário */
  --brand-ink: #fff;

  --ok: #10b981;            /* sucesso */
  --warn: #f59e0b;          /* aviso */
  --danger: #ef4444;        /* apagar */

  --line: #e2e8f0;          /* borda neutra */
  --shadow: 0 8px 18px rgba(15,23,42,0.06);
  --radius: 14px;

  --ring: 0 0 0 4px rgba(14,165,233,.15); /* foco iOS-like */

  --primary-500: var(--brand);
  --primary-600: #0284c7;
  --ink-900: var(--ink);
  --ink-100: #f1f5f9;
}



/* =====================================================
   LAYOUT DE FORMULÁRIOS
===================================================== */
/*
Exemplo:
<div class="form">
  <div class="field">
    <label class="field__label">Nome</label>
    <input class="input" type="text" placeholder="Escreve aqui…">
    <div class="field__help">Texto de ajuda opcional</div>
  </div>
</div>
*/
.form{ display: grid; gap: 14px; }
.field{ display:grid; gap:8px; }
.field__label{
  font-size: .95rem; color: var(--ink); font-weight: 600;
}
.field__help{ font-size: .85rem; color: var(--ink-3); }
.field--error .field__help{ color: var(--danger); }



/* =====================================================
   INPUTS / TEXTAREAS / SELECTS (estilo iOS)
===================================================== */
/*
<input class="input" type="text" placeholder="Nome">
<textarea class="textarea" placeholder="Escreve algo…"></textarea>
<select class="select"><option>Opção</option></select>
*/
.input, .textarea, .select{
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 14px;
  color: var(--ink);
  font-size: 1rem;
  box-shadow: var(--shadow);
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s;
}

.input::placeholder, .textarea::placeholder{ color: #94a3b8; }

/* Foco */
.input:focus, .textarea:focus, .select:focus{
  border-color: var(--brand);
  box-shadow: var(--shadow), var(--ring);
}

/* Estado erro */
.field--error .input,
.field--error .textarea,
.field--error .select{
  border-color: var(--danger);
  box-shadow: var(--shadow), 0 0 0 4px rgba(239,68,68,.15);
}

/* Desativado */
.input:disabled, .textarea:disabled, .select:disabled{
  background: #f8fafc;
  color: #94a3b8;
  pointer-events: none;
}

/* Textarea */
.textarea{ min-height: 110px; resize: vertical; }

/* Select (remove setas nativas visuais) */
.select{
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, #64748b 50%),
    linear-gradient(135deg, #64748b 50%, transparent 50%),
    linear-gradient(to right, transparent, transparent);
  background-position:
    calc(100% - 20px) 50%,
    calc(100% - 14px) 50%,
    100% 0;
  background-size: 6px 6px, 6px 6px, 2.5em 2.5em;
  background-repeat: no-repeat;
  padding-right: 40px;
}

/* Input pequeno e grande */
.input--sm, .select--sm, .textarea--sm{ padding: 10px 12px; font-size: .95rem; }
.input--lg, .select--lg, .textarea--lg{ padding: 16px 16px; font-size: 1.05rem; }



/* =====================================================
   RADIO (estilo iOS)
===================================================== */
/*
<label><input type="radio" name="sexo" class="radio" checked> Masculino</label>
<label><input type="radio" name="sexo" class="radio"> Feminino</label>
*/
/* ================================
   iOS-style Radio e Checkbox
================================ */

/* ---- Radio ---- */
.radio {
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid #d1d5db; /* cinza claro */
  background: #fff;
  box-shadow: inset 0 1px 2px rgba(0,0,0,.08);
  position: relative;
  transition: all .25s ease;
}

.radio:checked {
  border-color: var(--primary-600, #007aff); /* azul iOS */
  background: radial-gradient(circle at center,
    var(--primary-600, #007aff) 45%, white 46%);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary-600,#007aff) 25%, transparent);
}

.radio:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary-600,#007aff) 30%, transparent);
}

.radio:disabled {
  opacity: .5;
}


/* =====================================================
   CHECKBOX quadrado (alternativa ao switch)
===================================================== */
/*
<label><input type="checkbox" class="checkbox" checked> Aceito os termos</label>
*/
.checkbox {
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  border: 2px solid #d1d5db;
  background: #fff;
  box-shadow: inset 0 1px 2px rgba(0,0,0,.08);
  position: relative;
  transition: all .25s ease;
}

.checkbox:checked {
  background: var(--primary-600, #007aff);
  border-color: var(--primary-600, #007aff);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary-600,#007aff) 25%, transparent);
}

.checkbox:checked::after {
  content: "";
  position: absolute;
  top: 5px; left: 8px;
  width: 6px; height: 12px;
  border-right: 2.5px solid #fff;
  border-bottom: 2.5px solid #fff;
  transform: rotate(45deg);
}

.checkbox:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary-600,#007aff) 30%, transparent);
}

.checkbox:disabled {
  opacity: .5;
}



/* =====================================================
   BOTÕES (Gravar/Alterar/Apagar)
===================================================== */
/*
<button class="btn btn--primary">Gravar</button>
<button class="btn btn--secondary">Alterar</button>
<button class="btn btn--danger">Apagar</button>
*/
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration:none;
  border: 1px solid transparent;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
  box-shadow: var(--shadow);
  cursor: pointer;
}
.btn:active{ transform: translateY(1px); }

/* Tamanhos */
.btn--sm{ padding: 8px 12px; font-size:.95rem; border-radius:10px; }
.btn--lg{ padding: 14px 18px; font-size:1.05rem; border-radius:14px; }

/* Tipos */
.btn--primary{ background: var(--brand); color: var(--brand-ink); }
.btn--secondary{ background:#fff; color: var(--ink); border-color: var(--line); }
.btn--danger{ background: var(--danger); color:#fff; }

/* Estados */
.btn:hover{ filter: brightness(1.02); }
.btn:focus{ outline:none; box-shadow: var(--ring); }
.btn:disabled{ opacity:.6; pointer-events:none; }

/* Botões fantasma / outline */
.btn--ghost{ background: transparent; box-shadow:none; color: var(--brand); }
.btn--outline{ background:#fff; border-color: var(--brand); color: var(--brand); }

/* Ícones dentro do botão
<button class="btn btn--primary">
  <svg ...></svg> Gravar
</button>
*/
.btn svg{ width: 18px; height: 18px; }


/* Variante "segment" (botões de opção agrupados)
<div class="segment">
  <button class="segment__btn is-active">Opção A</button>
  <button class="segment__btn">Opção B</button>
</div>
*/
.segment{
  display:flex; gap:8px; background:#fff; border:1px solid var(--line);
  border-radius: 999px; padding:4px; box-shadow: var(--shadow);
}
.segment__btn{
  flex:1; text-align:center; padding:10px 12px; border-radius:999px;
  font-weight:600; color: var(--ink-2);
  background: transparent; border: none;
}
.segment__btn.is-active{ background: var(--brand); color: var(--brand-ink); }



/* =====================================================
   ESTADOS DE VALIDAÇÃO (inputs/selects/textarea)
===================================================== */
/*
Exemplos de uso:
<div class="field field--error">
  <label class="field__label">Email</label>
  <input class="input is-invalid" type="email" placeholder="exemplo@dominio.com">
  <div class="field__help">Por favor, introduz um email válido.</div>
</div>

<div class="field">
  <label class="field__label">Nome</label>
  <input class="input is-valid" type="text" value="Ana Silva">
  <div class="field__help">Tudo certo ✅</div>
</div>
*/

/* Válido */
.is-valid.input,
.is-valid.textarea,
.is-valid.select,
.field--valid .input,
.field--valid .textarea,
.field--valid .select{
  border-color: var(--ok);
  box-shadow: var(--shadow), 0 0 0 4px rgba(16,185,129,.15);
}
.field--valid .field__help{ color: var(--ok); }

/* Inválido */
.is-invalid.input,
.is-invalid.textarea,
.is-invalid.select,
.field--error .input,
.field--error .textarea,
.field--error .select{
  border-color: var(--danger);
  box-shadow: var(--shadow), 0 0 0 4px rgba(239,68,68,.15);
}
.field--error .field__help{ color: var(--danger); }

/* Estado "pendente" (ex.: validar em background) */
.is-pending.input,
.is-pending.textarea,
.is-pending.select{
  border-color: var(--brand);
  box-shadow: var(--shadow), 0 0 0 4px rgba(14,165,233,.12);
  background-image: linear-gradient(90deg, rgba(14,165,233,.06), transparent 40%);
  background-size: 200% 100%;
  animation: pendingSheen 1.2s linear infinite;
}
@keyframes pendingSheen {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}


/* =====================================================
   SPINNER (genérico e inline)
===================================================== */
/*
Exemplos:
<div class="spinner"></div>

Texto com spinner inline:
<span class="spinner spinner--inline" ></span> A carregar…
*/
.spinner{
  width: 22px; height: 22px;
  border: 3px solid rgba(15,23,42,.12);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
.spinner--inline{
  width: 16px; height: 16px;
  vertical-align: -3px; display: inline-block; margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }


/* =====================================================
   BOTÕES — estado de loading (com spinner)
===================================================== */
/*
Opção A (sem HTML extra): usar .btn.is-loading
<button class="btn btn--primary is-loading" disabled>Gravar</button>

Opção B (com elemento spinner dentro):
<button class="btn btn--primary">
  <span class="spinner spinner--inline" ></span>
  A gravar…
</button>
*/

/* Opção A – spinner automático via ::before */
.btn.is-loading{
  position: relative;
  pointer-events: none;
  opacity: .9;
}
.btn.is-loading::before{
  content: "";
  width: 18px; height: 18px;
  border: 3px solid rgba(255,255,255,.45);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .8s linear infinite;
  position: absolute; left: 12px; /* fica antes do texto */
  top: 50%; transform: translateY(-50%);
}
.btn--secondary.is-loading::before{
  /* spinner visível em botão claro */
  border-color: rgba(14,165,233,.3);
  border-top-color: var(--brand);
}
.btn--outline.is-loading::before{
  border-color: rgba(14,165,233,.35);
  border-top-color: var(--brand);
}

/* Quando em loading, reserva espaço do ícone e evita "saltar" layout */
.btn.is-loading{ padding-left: 36px; }

/* Estados combinados */
.btn.is-loading:disabled{ cursor: default; }

/* Variante utilitária: largura total + alinhamento */
.btn--block{ width: 100%; display: inline-flex; }

/* =====================================================
   GRUPOS DE AÇÕES DE FORMULÁRIO (utilitários)
===================================================== */
/*
Exemplo:
<div class="actions">
  <button class="btn btn--secondary">Alterar</button>
  <button class="btn btn--danger">Apagar</button>
  <button class="btn btn--primary">Gravar</button>
</div>
*/
.actions{
  display: grid;
  grid-auto-flow: column;
  gap: 10px;
}
@media (max-width: 360px){
  .actions{ grid-auto-flow: row; }
}

/* ==================================================
   Button variants — centralized here (migrated from main.css)
   This block overrides any previous button color rules.
   Keep .btn base neutral in main.css; variants live here.
================================================== */

/* Theme tokens (adjust if already defined elsewhere) */
:root {
  --success-500: #10b981;
  --success-600: #059669;
  --warning-500: #f59e0b;
  --warning-600: #d97706;
  --danger-500:  #ef4444;
  --danger-600:  #dc2626;
  --secondary-500: var(--ink-800, #1f2937);
  --secondary-600: var(--ink-900, #111827);
  --btn-ring: 2px;
}

/* Primary */
.btn--primary {
  background: var(--primary-500);
  color: #fff;
  border-color: var(--primary-500);
}
.btn--primary:hover   { background: var(--primary-600); border-color: var(--primary-600); }
.btn--primary:active  { transform: translateY(1px); }

/* Secondary (neutral) */
.btn--secondary {
  background: var(--secondary-500);
  color: #fff;
  border-color: var(--secondary-500);
}
.btn--secondary:hover { background: var(--secondary-600); border-color: var(--secondary-600); }

/* Success */
.btn--success {
  background: var(--success-500);
  color: #fff;
  border-color: var(--success-500);
}
.btn--success:hover { background: var(--success-600); border-color: var(--success-600); }

/* Warning */
.btn--warning {
  background: var(--warning-500);
  color: #111;
  border-color: var(--warning-500);
}
.btn--warning:hover { background: var(--warning-600); border-color: var(--warning-600); }

/* Danger */
.btn--danger {
  background: var(--danger-500);
  color: #fff;
  border-color: var(--danger-500);
}
.btn--danger:hover { background: var(--danger-600); border-color: var(--danger-600); }

/* Ghost (text button) */
.btn--ghost {
  background: transparent;
  color: var(--ink-900);
  border-color: transparent;
}
[data-theme="dark"] .btn--ghost { color: var(--ink-100); }
.btn--ghost:hover { background: color-mix(in srgb, currentColor 10%, transparent); }

/* Outline */
.btn--outline {
  background: transparent;
  color: var(--ink-900);
  border-color: currentColor;
}
[data-theme="dark"] .btn--outline { color: var(--ink-100); }
.btn--outline:hover { background: color-mix(in srgb, currentColor 8%, transparent); }

/* Sizes (kept here to ensure they apply together with variants) */
.btn--sm { padding: .4rem .6rem; border-radius: 10px; font-size: .9rem; }
.btn--lg { padding: .8rem 1rem;   border-radius: 14px; font-size: 1.05rem; }

/* Focus ring */
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 var(--btn-ring) color-mix(in srgb, var(--primary-500) 45%, transparent);
}

/* Loading state (optional) */
.btn.is-loading { position: relative; pointer-events: none; }
.btn.is-loading::after {
  content: "";
  width: 1em; height: 1em; border-radius: 50%;
  border: 2px solid currentColor; border-right-color: transparent;
  display: inline-block; margin-left: .5rem; vertical-align: -0.125em;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Toggle Switch (centralized) ===== */
.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.switch input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.switch .track {
  position: relative;
  width: 44px;
  height: 26px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ink-400,#94a3b8) 35%, transparent);
  border: 1px solid var(--border-soft,#e5e7eb);
  transition: background .2s ease, border-color .2s ease;
  flex: 0 0 auto;
}

.switch .thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--surface,#fff);
  box-shadow: var(--shadow-sm,0 1px 2px rgba(0,0,0,.08));
  transition: transform .25s ease;
  will-change: transform;
}

/* Active state */
.switch input:checked + .track {
  background: var(--primary-600,#0284c7);
  border-color: var(--primary-600,#0284c7);
}
.switch input:checked + .track .thumb {
  transform: translateX(18px);
}

/* Focus ring for accessibility */
.switch input:focus-visible + .track {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb,var(--primary-500,#0ea5e9) 35%, transparent);
}

/* Disabled */
.switch input:disabled + .track { opacity: .6; cursor: not-allowed; }
.switch input:disabled ~ span    { cursor: not-allowed; }

/* Sizes */
.switch--sm .track { width: 36px; height: 22px; }
.switch--sm .thumb { width: 16px; height: 16px; top: 3px; left: 3px; }
.switch--sm input:checked + .track .thumb { transform: translateX(14px); }

.switch--lg .track { width: 56px; height: 32px; }
.switch--lg .thumb { width: 26px; height: 26px; top: 3px; left: 3px; }
.switch--lg input:checked + .track .thumb { transform: translateX(24px); }

/* Dark mode tweaks */
[data-theme="dark"] .switch .track {
  background: color-mix(in srgb, var(--ink-400,#94a3b8) 25%, transparent);
  border-color: color-mix(in srgb, var(--ink-400,#94a3b8) 30%, transparent);
}
[data-theme="dark"] .switch .thumb { background: var(--surface,#0b1220); }

.switch,
.switch * {
  -webkit-tap-highlight-color: transparent;
}



/* =====================================================
   COMPAT BRIDGE — aplica estilos a markup sem classes (catálogo/demo)
   Para quando o HTML tem <label>, <input>, <select>, <textarea> simples
   dentro de .field mas sem classes .field__label / .input / .select / .textarea.
===================================================== */
.field > label:not(.field__label){
  font-size: .95rem; color: var(--ink); font-weight: 600;
}

.field > input[type="text"]:not(.input),
.field > input[type="password"]:not(.input),
.field > input[type="email"]:not(.input),
.field > input[type="tel"]:not(.input),
.field > input[type="number"]:not(.input),
.field > select:not(.select),
.field > textarea:not(.textarea){
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 14px;
  color: var(--ink);
  font-size: 1rem;
  box-shadow: var(--shadow);
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s;
}

.field > input[type="text"]:not(.input)::placeholder,
.field > input[type="password"]:not(.input)::placeholder,
.field > input[type="email"]:not(.input)::placeholder,
.field > input[type="tel"]:not(.input)::placeholder,
.field > input[type="number"]:not(.input)::placeholder,
.field > textarea:not(.textarea)::placeholder{
  color: #94a3b8;
}

.field > input[type="text"]:not(.input):focus,
.field > input[type="password"]:not(.input):focus,
.field > input[type="email"]:not(.input):focus,
.field > input[type="tel"]:not(.input):focus,
.field > input[type="number"]:not(.input):focus,
.field > select:not(.select):focus,
.field > textarea:not(.textarea):focus{
  border-color: var(--brand);
  box-shadow: var(--shadow), var(--ring);
}

/* ===== Utilitários de formulário usados no Catálogo ===== */
.form-grid{ display:grid; gap:10px; }
.controls-row{ display:flex; flex-wrap:wrap; gap:8px; align-items:center; }
.radio-row,.check-row{ display:flex; gap:14px; align-items:center; flex-wrap:wrap; }
.hr{ height:1px; background: var(--line); margin:12px 0; }

/* Inputs com ícone à esquerda */
.input-with-icon{ position: relative; }
.input-with-icon svg{
  position: absolute;
  left: 12px; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; color: var(--ink-400);
  pointer-events: none;
}
.input-with-icon input{ padding-left: 40px; }