:root{
  --bg:#f1f5f9; --card:#fff; --ink:#0f172a; --muted:#64748b;
  --accent:#f59e0b; --accent-hover:#d97706; --accent-ink:#fff; --line:#e2e8f0;
  --radius:18px; --shadow:0 6px 30px rgba(0,0,0,.06);
  --focus:0 0 0 3px rgba(245,158,11,.35);
}
*{box-sizing:border-box} html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif
}
.wrap{min-height:100%;display:grid;place-items:center;padding:32px 16px}
.card{
  width:min(480px,94vw);background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:24px
}
.brand{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.brand-mark{font-size:28px;color:var(--accent)}
.brand-name{margin:0;font-size:22px;letter-spacing:.3px}

.tabs{display:flex;gap:8px;margin:4px 0 10px}
.tab{
  flex:1;background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 14px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:8px;color:var(--muted)
}
.tab.active{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}

.panel{display:block}.panel:not(.active){display:none}

/* === Layout em duas colunas === */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
@media(max-width:480px){.form-row{grid-template-columns:1fr}}

/* === Campos (espaçamento reduzido) === */
.field{display:block;margin:8px 0}
.field.tight{margin:4px 0}
.label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
.input{
  display:flex;align-items:center;gap:8px;border:1px solid var(--line);
  border-radius:12px;padding:9px 12px;background:#fff
}
.input:focus-within{outline:var(--focus)}
.input i{color:#8a8a8a}
.input input{border:none;outline:none;font-size:15px;width:100%;background:transparent;color:var(--ink)}

.field-error{display:block;margin-top:6px;font-size:12px;color:#b54730;min-height:14px}

.icon-btn{background:transparent;border:none;cursor:pointer;padding:4px;border-radius:8px}
.icon-btn:hover{background:#fef3c7}

.row{display:flex;align-items:center;gap:10px}
.between{justify-content:space-between}
.check{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:14px}
.check input{width:16px;height:16px}
.link{background:none;border:none;color:var(--accent);padding:0;cursor:pointer;font-size:14px}

/* Botão primário com spinner embutido */
.primary{
  width:100%;margin-top:10px;border-radius:14px;padding:12px 14px;font-weight:600;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:10px;position:relative;
  background:var(--accent);color:var(--accent-ink);border:1px solid var(--accent);
  transition:background .15s,border-color .15s
}
.primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}
.primary:disabled{opacity:.7;cursor:wait}
.btn-spinner{
  --size:18px;width:var(--size);height:var(--size);border-radius:999px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;
  position:absolute;right:14px;display:none;animation:spin .9s linear infinite
}
button.loading .btn-spinner{display:inline-block}
button.loading .btn-content{opacity:.0}
@keyframes spin{to{transform:rotate(360deg)}}

/* Toast */
#toast{
  margin-top:12px;min-height:24px;color:#b54730;background:#fff7f3;border:1px solid #ffd8cc;
  padding:8px 10px;border-radius:10px;display:none;white-space:pre-wrap;word-break:break-word
}
#toast.show{display:block}

/* Overlay de carregamento global */
.loading{
  position:fixed;inset:0;background:rgba(255,255,255,.6);
  display:none;place-items:center;backdrop-filter:blur(1px)
}
.loading[aria-hidden="false"]{display:grid}
.spinner{
  width:34px;height:34px;border-radius:999px;border:3px solid #fef3c7;
  border-top-color:var(--accent);animation:spin 1s linear infinite
}

button:focus-visible,input:focus-visible{outline:var(--focus);border-radius:10px}
.foot{margin-top:14px;display:flex;justify-content:center}
.muted{color:var(--muted);font-size:12px}