/* Logo */
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--color-text); text-decoration: none; font-weight: 700; font-size: 1.125rem; letter-spacing: -0.01em; }
.brand:hover { color: var(--color-text); }
.brand__mark { width: 30px; height: 30px; flex: none; }

/* Botões */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 18px; border-radius: var(--radius);
  border: 1px solid transparent; font-weight: 600; font-size: 0.975rem; line-height: 1;
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background-color .15s, border-color .15s, color .15s, box-shadow .15s;
}
.btn:focus-visible { border-radius: var(--radius); }
.btn--primary { background: var(--color-primary); color: var(--color-primary-ink); box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--color-primary-hover); color: var(--color-primary-ink); }
.btn--secondary { background: var(--color-bg); color: var(--color-text); border-color: var(--color-border-strong); }
.btn--secondary:hover { background: var(--color-surface); color: var(--color-text); }
.btn--ghost { background: transparent; color: var(--color-text); }
.btn--ghost:hover { background: var(--color-surface-2); color: var(--color-text); }
.btn--lg { min-height: 52px; padding: 0 24px; font-size: 1.05rem; }
.btn--sm { min-height: 36px; padding: 0 12px; font-size: 0.9rem; }
.btn--block { width: 100%; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .6; cursor: not-allowed; }
.btn.is-busy { position: relative; color: transparent !important; pointer-events: none; }
.btn.is-busy::after {
  content: ""; position: absolute; width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid rgb(255 255 255 / .45); border-top-color: #fff; animation: spin .7s linear infinite;
}
.btn--secondary.is-busy::after { border-color: var(--color-border-strong); border-top-color: var(--color-primary); }

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

/* Formulários */
.form { display: grid; gap: 18px; }
.field { display: grid; gap: 6px; align-content: start; }
.field__label { font-weight: 600; font-size: 0.925rem; }
.field__hint { font-size: 0.85rem; color: var(--color-muted); }
.field__error { font-size: 0.85rem; color: var(--color-danger); font-weight: 500; }
.field__error:empty { display: none; }

.input {
  width: 100%; min-height: 46px; padding: 10px 14px;
  background: var(--color-bg); border: 1px solid var(--color-border-strong); border-radius: var(--radius);
  transition: border-color .15s, box-shadow .15s;
}
.input::placeholder { color: var(--color-subtle); }
.input:hover { border-color: var(--color-subtle); }
.input:focus { outline: none; border-color: var(--color-primary); box-shadow: var(--focus-ring); }
.input[aria-invalid="true"] { border-color: var(--color-danger); }
.input[aria-invalid="true"]:focus { box-shadow: 0 0 0 3px rgb(184 35 42 / .2); }

.input-group { position: relative; }
.input-group .input { padding-right: 84px; }
.input-group__action {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  min-height: 34px; padding: 0 10px; border: 0; border-radius: var(--radius-sm);
  background: transparent; color: var(--color-primary); font-weight: 600; font-size: 0.85rem; cursor: pointer;
}
.input-group__action:hover { background: var(--color-primary-soft); }

/* Avisos */
.alert {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 12px 14px; border-radius: var(--radius); font-size: 0.925rem; border: 1px solid transparent;
}
.alert--error { background: var(--color-danger-soft); color: var(--color-danger); border-color: rgb(184 35 42 / .18); }
.alert--success { background: var(--color-success-soft); color: var(--color-success); border-color: rgb(18 117 72 / .18); }
.alert--info { background: var(--color-info-soft); color: var(--color-info); border-color: rgb(39 71 214 / .18); }
.alert__body { display: grid; gap: 8px; }
.alert .btn { justify-self: start; }

/* Badges de status */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: var(--radius-full);
  font-size: 0.78rem; font-weight: 600; line-height: 1.4; white-space: nowrap;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge--success { background: var(--color-success-soft); color: var(--color-success); }
.badge--warning { background: var(--color-warning-soft); color: var(--color-warning); }
.badge--danger { background: var(--color-danger-soft); color: var(--color-danger); }
.badge--neutral { background: var(--color-surface-2); color: var(--color-muted); }
.badge--info { background: var(--color-info-soft); color: var(--color-info); }

/* Cartão */
.card { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }

/* Spinner avulso */
.spinner { width: 28px; height: 28px; border-radius: 50%; border: 3px solid var(--color-border); border-top-color: var(--color-primary); animation: spin .8s linear infinite; }

/* Ícones de estado (confirmação de e-mail etc.) */
.state-icon { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; }
.state-icon svg { width: 28px; height: 28px; }
.state-icon--success { background: var(--color-success-soft); color: var(--color-success); }
.state-icon--info { background: var(--color-info-soft); color: var(--color-info); }
.state-icon--danger { background: var(--color-danger-soft); color: var(--color-danger); }

.btn--danger { background: var(--color-danger); color: #fff; }
.btn--danger:hover { background: #9c1c22; color: #fff; }
.btn--link { background: none; border: 0; padding: 0; min-height: 0; color: var(--color-primary); font-weight: 600; }
.btn--link:hover { text-decoration: underline; }
.btn--link.is-danger { color: var(--color-danger); }
.fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.fieldset legend { padding: 0; margin-bottom: 6px; }
.field__label-row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.field__label-link { font-size: .85rem; font-weight: 500; }