/* ============================================================================
   settings.css — Padrão de tela de configurações em linhas horizontais
   Inspirado em Stripe/Vercel/Linear settings.

   Uso:
     <div class="ell-settings">
       <nav class="ell-settings__tabs">                  [opcional]
         <button class="is-active">Geral</button>
         <button>Avançado</button>
       </nav>

       <section class="ell-settings__group">
         <header class="ell-settings__group-header">
           <h3>Identidade do sistema</h3>
           <p>Subtítulo opcional</p>
         </header>

         <div class="ell-settings__row">
           <div class="ell-settings__label">
             Nome do sistema
             <button class="ell-help-btn" data-help="Explicação longa...">?</button>
             <span class="ell-settings__desc">Subtexto pequeno</span>
           </div>
           <div class="ell-settings__control">
             <input class="ell-input" ...>
           </div>
         </div>
       </section>

       <div class="ell-settings__footer">
         <button class="btn btn-primary">Salvar</button>
       </div>
     </div>
   ============================================================================ */

.ell-settings {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  padding: 0;
  max-width: 960px;
}

/* ─── Tabs horizontais (opcionais) ───────────────────────────── */
.ell-settings__tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--space-6);
  overflow-x: auto;
}
.ell-settings__tabs button {
  background: transparent;
  border: none;
  padding: 10px 16px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-3);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  font-family: inherit;
  margin-bottom: -1px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  white-space: nowrap;
}
.ell-settings__tabs button:hover { color: var(--text); }
.ell-settings__tabs button.is-active {
  color: var(--text);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

/* ─── Grupo de settings ─────────────────────────────────────── */
.ell-settings__group + .ell-settings__group {
  padding-top: var(--space-6);
  border-top: 1px solid var(--line);
}

.ell-settings__group-header {
  margin-bottom: var(--space-5);
}
.ell-settings__group-header h3 {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin: 0 0 var(--space-1);
  font-family: var(--font-sans);
}
.ell-settings__group-header p {
  font-size: var(--text-sm);
  color: var(--text-3);
  margin: 0;
  line-height: 1.5;
}

/* ─── Linha-setting ──────────────────────────────────────────── */
.ell-settings__row {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(280px, 1.2fr);
  gap: var(--space-6);
  align-items: flex-start;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--line-subtle);
}
.ell-settings__row:last-child { border-bottom: none; }
.ell-settings__row--stacked {
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.ell-settings__label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: 4px;
}
.ell-settings__label-title {
  display: flex;
  align-items: center;
  gap: 6px;
}
.ell-settings__desc {
  font-size: var(--text-xs);
  color: var(--text-3);
  font-weight: 400;
  line-height: 1.5;
}

.ell-settings__control {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}
.ell-settings__control > input,
.ell-settings__control > select,
.ell-settings__control > textarea,
.ell-settings__control > .ell-input {
  width: 100%;
  max-width: 420px;
}
.ell-settings__control > textarea { max-width: 520px; }

/* ─── Footer com ações ──────────────────────────────────────── */
.ell-settings__footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
}

/* ─── Help button + popover ─────────────────────────────────── */
.ell-help-btn {
  width: 18px; height: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: transparent;
  color: var(--text-3);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  padding: 0;
  line-height: 1;
  transition: all var(--dur) var(--ease);
  flex-shrink: 0;
}
.ell-help-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}

.ell-help-popover {
  position: fixed;
  z-index: 400;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4);
  width: 320px;
  max-width: calc(100vw - 32px);
  font-size: var(--text-sm);
  color: var(--text-2);
  line-height: 1.55;
}
.ell-help-popover strong { color: var(--text); }
.ell-help-popover code {
  background: var(--bg-sunken);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.92em;
}
.ell-help-popover a {
  color: var(--accent);
  text-decoration: none;
}
.ell-help-popover::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 16px;
  width: 12px;
  height: 12px;
  background: var(--bg-elev);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  transform: rotate(45deg);
}

/* ─── Toggle switch limpo (pra usar nas rows) ──────────────── */
.ell-toggle {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  cursor: pointer;
  flex-shrink: 0;
}
.ell-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}
.ell-toggle__track {
  position: absolute;
  inset: 0;
  background: var(--line-strong);
  border-radius: 999px;
  transition: background var(--dur) var(--ease);
}
.ell-toggle__track::before {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--dur) var(--ease);
  box-shadow: var(--shadow-sm);
}
.ell-toggle input:checked + .ell-toggle__track { background: var(--accent); }
.ell-toggle input:checked + .ell-toggle__track::before { transform: translateX(16px); }

/* ─── Radio cards (pra opções visuais tipo tema) ───────────── */
.ell-radio-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-3);
}
.ell-radio-card {
  position: relative;
  padding: var(--space-4);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.ell-radio-card:hover { border-color: var(--line-strong); }
.ell-radio-card input[type="radio"] { position: absolute; opacity: 0; }
.ell-radio-card input[type="radio"]:checked + .ell-radio-card__body,
.ell-radio-card.is-selected {
  border-color: var(--accent);
}
.ell-radio-card__title { font-size: var(--text-sm); font-weight: 500; color: var(--text); }
.ell-radio-card__desc { font-size: var(--text-xs); color: var(--text-3); }

/* ─── Responsivo ────────────────────────────────────────────── */
@media (max-width: 720px) {
  .ell-settings__row {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
}

/* ─── Ajuste no main do split3 pra remover o card envelope ─── */
.ell-split3__main .ell-settings {
  max-width: 100%;
  padding: var(--space-6);
}

/* ─── Auto-conversão: cards LEGADOS dentro de ell-split3__main ───
   Mata o card envelope pra ficar visualmente como settings horizontais
   enquanto esperamos refactor dos mods legados. */
.ell-split3__main > .card,
.ell-split3__main > div > .card,
.ell-split3__main .cards-stack > .card {
  background: transparent !important;
  border: none !important;
  padding: var(--space-6) var(--space-6) var(--space-6) 0 !important;
  box-shadow: none !important;
  border-radius: 0 !important;
}
.ell-split3__main > .card + .card,
.ell-split3__main > div > .card + .card {
  border-top: 1px solid var(--line) !important;
  margin-top: 0 !important;
}

/* .ct (título de card legado) vira um section header */
.ell-split3__main > .card > .ct,
.ell-split3__main > div > .card > .ct {
  display: block !important;
  font-size: var(--text-xs) !important;
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3) !important;
  margin-bottom: var(--space-4) !important;
  padding: 0 !important;
  background: transparent !important;
}