/* ============================================================================
   Estante de Storybooks — Componentes (prefixo .sb-)
   ============================================================================ */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-serif);
  color: var(--ink);
  background-color: var(--wood);
  background-image:
    repeating-linear-gradient(45deg, var(--wood) 25%, transparent 25%, transparent 75%, var(--wood) 75%, var(--wood)),
    repeating-linear-gradient(45deg, var(--wood) 25%, var(--wood-deep) 25%, var(--wood-deep) 75%, var(--wood) 75%, var(--wood));
  background-position: 0 0, 10px 10px;
  background-size: 20px 20px;
  min-height: 100vh;
}

a { color: inherit; }

/* ───── Marca ───── */
.sb-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}
.sb-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--r-sm);
  background: var(--bark);
  color: var(--paper);
  border: 1px solid var(--gold-deep);
  box-shadow: inset 0 0 12px rgba(0, 0, 0, 0.25);
}
.sb-brand-logo {
  height: 30px;
  width: auto;
}
.sb-brand-name {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: 24px;
  letter-spacing: 0.01em;
}
.sb-brand-name .amp { color: var(--gold-deep); }

/* ───── Sobrancelha / rótulos ───── */
.sb-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 600;
}

/* ───── Botões ───── */
.sb-btn {
  --btn-bg: var(--paper-deep);
  --btn-fg: var(--ink);
  --btn-bd: var(--gold-deep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-serif);
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 11px 20px;
  border-radius: var(--r-sm);
  border: 1px solid var(--btn-bd);
  background: var(--btn-bg);
  color: var(--btn-fg);
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  box-shadow: 2px 3px 8px rgba(0, 0, 0, 0.18);
}
.sb-btn:hover { transform: translateY(-2px); box-shadow: 3px 5px 14px rgba(0, 0, 0, 0.28); }
.sb-btn:active { transform: translateY(0); }
.sb-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.sb-btn--primary {
  --btn-bg: linear-gradient(to bottom, var(--bark), #74471f);
  --btn-fg: var(--paper);
  --btn-bd: var(--wood-deep);
}
.sb-btn--gold {
  --btn-bg: linear-gradient(to bottom, var(--gold), var(--gold-deep));
  --btn-fg: var(--ink);
  --btn-bd: var(--gold-deep);
}
.sb-btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink-soft);
  --btn-bd: var(--line-strong);
  box-shadow: none;
}
.sb-btn--ghost:hover { background: rgba(139, 90, 43, 0.08); box-shadow: none; }
.sb-btn--sm { padding: 7px 14px; font-size: 13.5px; }
.sb-btn--block { width: 100%; }

/* ───── Campos de formulário ───── */
.sb-field { display: flex; flex-direction: column; gap: 7px; }
.sb-field > span {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 600;
}
.sb-input {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--ink);
  background: #fdf8ec;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  padding: 12px 14px;
  width: 100%;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.sb-input::placeholder { color: var(--ink-muted); opacity: 0.6; }
.sb-input:focus {
  border-color: var(--gold-deep);
  box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.22);
}

.sb-input-icon { position: relative; display: block; }
.sb-input-icon svg {
  position: absolute;
  left: 13px; top: 50%;
  transform: translateY(-50%);
  color: var(--ink-muted);
  pointer-events: none;
}
.sb-input-icon .sb-input { padding-left: 40px; }

textarea.sb-input { resize: vertical; min-height: 96px; line-height: 1.5; }

/* ───── Alertas ───── */
.sb-alert {
  display: none;
  font-size: 14.5px;
  line-height: 1.45;
  padding: 12px 16px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-strong);
  background: var(--paper-deep);
}
.sb-alert.show { display: block; }
.sb-alert--error   { background: #f6e3df; border-color: var(--danger); color: #7c2f27; }
.sb-alert--success { background: #e6efe1; border-color: var(--ok-deep);  color: var(--ok-deep); }
.sb-alert--info    { background: #f3ecd9; border-color: var(--gold-deep); color: var(--ink-soft); }

/* ───── Selos / pílulas ───── */
.sb-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--paper-deep);
  border: 1px solid var(--line-strong);
  color: var(--ink-muted);
}
.sb-pill--gold   { background: var(--gold); color: var(--ink); border-color: var(--gold-deep); }
.sb-pill--locked { background: var(--bark); color: var(--paper); border-color: var(--wood-deep); }
.sb-pill--read   { background: var(--ok); color: #fff; border-color: var(--ok-deep); }

/* ───── Estado vazio ───── */
.sb-empty {
  text-align: center;
  padding: 64px 24px;
  color: var(--ink-muted);
  font-style: italic;
  font-size: 18px;
}

/* ───── Selo de canto ornamental ───── */
.sb-corner {
  position: absolute;
  width: 48px; height: 48px;
  border: 1px solid var(--gold-deep);
  pointer-events: none;
  opacity: 0.5;
}
.sb-corner.tl { top: 16px; left: 16px; border-right: none; border-bottom: none; }
.sb-corner.tr { top: 16px; right: 16px; border-left: none; border-bottom: none; }
.sb-corner.bl { bottom: 16px; left: 16px; border-right: none; border-top: none; }
.sb-corner.br { bottom: 16px; right: 16px; border-left: none; border-top: none; }

/* Acessibilidade: respeitar preferência por menos movimento */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}