/* =====================================================
   Letras Diferentes — EditPad.ID  v2.0
   Palette: Dark Crimson #9B1313 · Black #111
   Font: Poppins — all elements
   Mobile-first · Professional design
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400&display=swap');

/* ─── CSS VARIABLES ─── */
.ldif-wrap {
  /* Brand */
  --red:        #9B1313;
  --red-hover:  #7a0f0f;
  --red-light:  #b91c1c;
  --red-bg:     rgba(155,19,19,.06);
  --red-bd:     rgba(155,19,19,.18);
  --red-glow:   rgba(155,19,19,.14);
  --blk:        #111111;
  --blk2:       #1e1e1e;

  /* Neutral */
  --bg:         #f5f4f2;
  --sur:        #ffffff;
  --sur2:       #f9f8f7;
  --sur3:       #f0eeec;
  --bdr:        rgba(0,0,0,.08);
  --bdr2:       rgba(0,0,0,.14);
  --bdr3:       rgba(0,0,0,.22);

  /* Text */
  --txt:        #111111;
  --txt2:       #4a4a4a;
  --txt3:       #888888;
  --txt4:       #bbbbbb;

  /* Semantic */
  --grn:        #166534;
  --grn-bg:     rgba(22,101,52,.07);

  /* Shadow */
  --shd-sm:     0 1px 4px rgba(0,0,0,.06);
  --shd:        0 2px 12px rgba(0,0,0,.08);
  --shd-lg:     0 8px 32px rgba(0,0,0,.12);
  --shd-red:    0 4px 18px rgba(155,19,19,.22);

  /* Spacing */
  --radius-sm:  6px;
  --radius:     12px;
  --radius-lg:  16px;
  --radius-xl:  20px;

  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: clamp(16px,3vw,32px) clamp(12px,3vw,24px) 0;
  box-sizing: border-box;
  color: var(--txt);
}
.ldif-wrap *,
.ldif-wrap *::before,
.ldif-wrap *::after { box-sizing: border-box; }

/* ════════════════════════════════
   BRAND HEADER
════════════════════════════════ */
.ldif-brand {
  display: flex;
  align-items: center;
  gap: clamp(12px,2.5vw,22px);
  margin-bottom: clamp(18px,3vw,28px);
  padding-bottom: clamp(16px,3vw,22px);
  border-bottom: 1.5px solid var(--bdr);
  flex-wrap: wrap;
}

/* Logo block */
.ldif-logo {
  display: inline-flex;
  align-items: baseline;
  background: var(--blk);
  padding: 6px 14px;
  border-radius: 9px;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,.18);
}
.ldif-logo-e  {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(17px,3vw,23px);
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -.5px;
  line-height: 1;
}
.ldif-logo-p  {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(17px,3vw,23px);
  font-weight: 800;
  color: var(--red-light);
  letter-spacing: -.5px;
  line-height: 1;
}
.ldif-logo-id {
  font-family: 'Poppins', sans-serif;
  font-size: 10px;
  font-weight: 700;
  color: var(--red-light);
  margin-left: 1px;
  align-self: flex-end;
  margin-bottom: 1px;
  letter-spacing: .02em;
}

/* Divider */
.ldif-brand-div {
  width: 1.5px;
  height: 36px;
  background: var(--bdr2);
  flex-shrink: 0;
}

/* Brand info */
.ldif-brand-info {
  display: flex;
  align-items: center;
  gap: clamp(10px,2vw,16px);
  flex: 1;
  min-width: 0;
}
.ldif-brand-ikon {
  font-size: clamp(22px,3.5vw,30px);
  flex-shrink: 0;
  line-height: 1;
}
.ldif-titulo {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(15px,2.8vw,22px);
  font-weight: 800;
  color: var(--txt);
  margin: 0 0 3px;
  letter-spacing: -.025em;
  line-height: 1.2;
}
.ldif-sub {
  font-size: clamp(11px,1.7vw,13px);
  color: var(--txt3);
  margin: 0;
  line-height: 1.4;
  font-weight: 400;
}

/* ════════════════════════════════
   INPUT BOX
════════════════════════════════ */
.ldif-input-box {
  background: var(--sur);
  border: 2px solid var(--bdr2);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shd-lg);
  margin-bottom: clamp(14px,2.5vw,22px);
  transition: border-color .22s ease, box-shadow .22s ease;
}
.ldif-input-box:focus-within {
  border-color: var(--red);
  box-shadow: 0 0 0 4px var(--red-glow), var(--shd-lg);
}

.ldif-input-wrap { position: relative; }

.ldif-textarea {
  width: 100%;
  min-height: clamp(76px,10vw,100px);
  padding: clamp(16px,3vw,22px) clamp(16px,3vw,22px) 10px;
  border: none;
  outline: none;
  resize: none;
  font-family: 'Poppins', sans-serif;
  font-size: clamp(17px,2.5vw,22px);
  font-weight: 500;
  color: var(--txt);
  background: transparent;
  line-height: 1.5;
  letter-spacing: -.01em;
}
.ldif-textarea::placeholder {
  color: var(--txt4);
  font-weight: 300;
}

.ldif-input-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px clamp(14px,3vw,22px) 12px;
  gap: 12px;
}
.ldif-char-count {
  font-size: 11.5px;
  color: var(--txt4);
  font-weight: 500;
  letter-spacing: .02em;
}

/* Limpar Button */
.ldif-btn-limpar {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--sur3);
  border: 1.5px solid var(--bdr2);
  color: var(--txt3);
  border-radius: 40px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Poppins', sans-serif;
  letter-spacing: .01em;
  transition: background .18s ease, border-color .18s ease, color .18s ease, transform .15s ease;
}
.ldif-btn-limpar svg { width: 12px; height: 12px; }
.ldif-btn-limpar:hover {
  background: #fff0f0;
  border-color: var(--red);
  color: var(--red);
  transform: scale(1.03);
}
.ldif-btn-limpar:active { transform: scale(.97); }

/* Hint bar */
.ldif-input-hint {
  background: linear-gradient(to right, rgba(155,19,19,.05), rgba(155,19,19,.03));
  border-top: 1.5px solid var(--red-bd);
  padding: 9px clamp(14px,3vw,22px);
  font-size: 12px;
  font-weight: 500;
  color: var(--red);
  letter-spacing: .01em;
}

/* ════════════════════════════════
   CATEGORY TABS
════════════════════════════════ */
.ldif-tabs {
  display: flex;
  gap: 7px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 4px;
  margin-bottom: clamp(16px,2.5vw,24px);
  -webkit-overflow-scrolling: touch;
}
.ldif-tabs::-webkit-scrollbar { display: none; }

.ldif-tab {
  flex-shrink: 0;
  padding: clamp(8px,1.5vw,10px) clamp(14px,2vw,20px);
  background: var(--sur);
  border: 1.5px solid var(--bdr2);
  border-radius: 40px;
  font-family: 'Poppins', sans-serif;
  font-size: clamp(12px,1.8vw,13.5px);
  font-weight: 600;
  color: var(--txt2);
  cursor: pointer;
  white-space: nowrap;
  transition: background .2s ease, border-color .2s ease,
              color .2s ease, transform .15s ease, box-shadow .2s ease;
  letter-spacing: .01em;
  outline: none;
}
/* Hover — subtle lift, dark tint */
.ldif-tab:hover {
  background: var(--sur3);
  border-color: var(--red);
  color: var(--red);
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(155,19,19,.12);
}
.ldif-tab:active { transform: translateY(0) scale(.97); }
/* Active tab */
.ldif-tab.ativo {
  background: var(--red);
  border-color: var(--red);
  color: #ffffff;
  box-shadow: var(--shd-red);
  transform: translateY(-1px);
}
.ldif-tab.ativo:hover {
  background: var(--red-hover);
  border-color: var(--red-hover);
  color: #fff;
  box-shadow: 0 6px 20px rgba(155,19,19,.28);
}

/* ════════════════════════════════
   RESULTADOS
════════════════════════════════ */
.ldif-resultados {
  min-height: 220px;
}

/* Placeholder */
.ldif-placeholder {
  text-align: center;
  padding: clamp(36px,7vw,60px) 20px;
  background: var(--sur);
  border: 2px dashed var(--bdr2);
  border-radius: var(--radius-xl);
  box-shadow: var(--shd-sm);
}
.ldif-placeholder-ikon {
  font-size: clamp(42px,7vw,60px);
  margin-bottom: 14px;
  display: block;
}
.ldif-placeholder-txt {
  font-size: clamp(13px,2vw,15px);
  font-weight: 500;
  color: var(--txt3);
  margin: 0 0 22px;
}
.ldif-placeholder-exemplos {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.ldif-placeholder-exemplos span {
  background: var(--red-bg);
  border: 1.5px solid var(--red-bd);
  color: var(--red);
  padding: 7px 18px;
  border-radius: 40px;
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, transform .15s ease, box-shadow .15s ease;
  letter-spacing: .01em;
}
.ldif-placeholder-exemplos span:hover {
  background: var(--red);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shd-red);
}
.ldif-placeholder-exemplos span:active { transform: translateY(0); }

/* Grid */
.ldif-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(clamp(260px,42vw,330px), 1fr));
  gap: clamp(10px,2vw,16px);
}

/* ════════════════════════════════
   CARD
════════════════════════════════ */
.ldif-card {
  background: var(--sur);
  border: 1.5px solid var(--bdr);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shd);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  animation: ldif-in .32s ease forwards;
  opacity: 0;
  transform: translateY(10px);
}
@keyframes ldif-in {
  to { opacity: 1; transform: translateY(0); }
}
.ldif-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shd-lg);
  border-color: var(--red-bd);
}

/* Card head */
.ldif-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 15px 8px;
  border-bottom: 1px solid var(--bdr);
  background: var(--sur2);
}
.ldif-card-nome {
  font-family: 'Poppins', sans-serif;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--txt3);
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}
.ldif-cat-tag {
  background: var(--red-bg);
  border: 1px solid var(--red-bd);
  color: var(--red);
  font-size: 9px;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 20px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

/* Card preview — click to copy */
.ldif-card-preview {
  padding: clamp(16px,3vw,22px) 16px;
  font-size: clamp(19px,3.2vw,28px);
  line-height: 1.45;
  color: var(--txt);
  word-break: break-word;
  min-height: 60px;
  display: flex;
  align-items: center;
  cursor: pointer;
  transition: background .18s ease;
}
.ldif-card-preview:hover { background: var(--sur3); }
.ldif-card-preview:active { background: var(--red-bg); }

/* Card footer */
.ldif-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 15px;
  border-top: 1px solid var(--bdr);
  background: var(--sur2);
  gap: 10px;
}
.ldif-card-hint {
  font-size: 11px;
  color: var(--txt4);
  font-weight: 400;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Copiar Button */
.ldif-btn-copiar {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--red);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  padding: 7px 18px;
  font-family: 'Poppins', sans-serif;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .01em;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background .18s ease, transform .15s ease, box-shadow .18s ease;
  outline: none;
}
.ldif-btn-copiar svg { width: 13px; height: 13px; flex-shrink: 0; }
.ldif-btn-copiar:hover {
  background: var(--red-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(155,19,19,.28);
}
.ldif-btn-copiar:active { transform: scale(.96); box-shadow: none; }
.ldif-btn-copiar.copiado {
  background: var(--grn);
  transform: none;
  box-shadow: none;
}
.ldif-btn-copiar.copiado:hover { background: #14532d; }

/* Card Destaque */
.ldif-card.destaque {
  border-color: var(--red-bd);
  box-shadow: 0 2px 14px var(--red-glow), var(--shd);
}
.ldif-card.destaque .ldif-card-head {
  background: linear-gradient(to right, var(--red-bg), var(--sur2));
}

/* ════════════════════════════════
   TOAST NOTIFICATION
════════════════════════════════ */
.ldif-notif {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(90px);
  background: var(--blk2);
  color: #ffffff;
  padding: 13px 24px;
  border-radius: 40px;
  font-family: 'Poppins', sans-serif;
  font-size: 13.5px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 9px;
  box-shadow: 0 10px 40px rgba(0,0,0,.28);
  transition: transform .35s cubic-bezier(.34,1.56,.64,1), opacity .3s ease;
  opacity: 0;
  z-index: 99999;
  white-space: nowrap;
  pointer-events: none;
  letter-spacing: .01em;
}
.ldif-notif svg { width: 16px; height: 16px; color: #4ade80; flex-shrink: 0; }
.ldif-notif.ativo {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ════════════════════════════════
   TOOL FOOTER  ← clean, no tool repeated
════════════════════════════════ */
.ldif-tool-footer {
  text-align: center;
  font-size: 12px;
  font-weight: 500;
  color: var(--txt4);
  margin-top: clamp(22px,4vw,36px);
  padding: clamp(14px,3vw,20px) 0;
  border-top: 1.5px solid var(--bdr);
  letter-spacing: .01em;
}
.ldif-tool-footer strong {
  color: var(--txt3);
  font-weight: 700;
}

/* ════════════════════════════════
   ARTICLE — full Poppins + proper H2
════════════════════════════════ */
.ldif-artigo {
  max-width: 960px;
  margin: 0 auto;
  padding: clamp(28px,5vw,52px) clamp(12px,3vw,24px) clamp(28px,5vw,52px);
  font-family: 'Poppins', sans-serif;
  color: var(--txt2);
  line-height: 1.85;
}

/* H2 — semantic heading */
.ldif-artigo h2 {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(17px,2.8vw,22px);
  font-weight: 800;
  color: var(--blk);
  margin: clamp(28px,4.5vw,44px) 0 14px;
  letter-spacing: -.025em;
  line-height: 1.25;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--red-bg);
  position: relative;
}
.ldif-artigo h2::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--red);
  border-radius: 2px;
}
.ldif-artigo h2:first-child { margin-top: 0; }

.ldif-artigo p {
  font-size: clamp(14px,2vw,15.5px);
  font-weight: 400;
  margin: 0 0 16px;
  color: var(--txt2);
}
.ldif-artigo ul,
.ldif-artigo ol {
  margin: 0 0 18px 22px;
  padding: 0;
}
.ldif-artigo li {
  font-size: clamp(13.5px,2vw,15px);
  font-weight: 400;
  margin-bottom: 7px;
  color: var(--txt2);
  line-height: 1.7;
}
.ldif-artigo ol li { padding-left: 4px; }

/* Bold & emphasis */
.ldif-artigo strong { color: var(--blk); font-weight: 700; }
.ldif-artigo em {
  color: var(--red);
  font-style: normal;
  font-weight: 600;
}

/* Intro paragraph — slightly larger */
.ldif-artigo > p:first-of-type {
  font-size: clamp(14.5px,2vw,16px);
  font-weight: 500;
  color: var(--txt2);
  line-height: 1.9;
}

/* Ordered list steps */
.ldif-artigo ol li strong {
  color: var(--red);
}

/* ════════════════════════════════
   FAQ SECTION
════════════════════════════════ */
.ldif-faq { margin-top: clamp(24px,4vw,40px); }

.ldif-faq-item {
  background: var(--sur);
  border: 1.5px solid var(--bdr);
  border-left: 3.5px solid var(--red);
  border-radius: var(--radius);
  padding: clamp(16px,3vw,22px);
  margin-bottom: 12px;
  box-shadow: var(--shd-sm);
  transition: box-shadow .2s ease, transform .2s ease;
}
.ldif-faq-item:hover {
  box-shadow: var(--shd);
  transform: translateX(2px);
}

.ldif-artigo .ldif-faq-item h3 {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(13.5px,2vw,16px);
  font-weight: 800;
  color: var(--blk);
  margin: 0 0 9px;
  letter-spacing: -.015em;
}
.ldif-faq-item p {
  margin: 0;
  font-size: clamp(13px,1.9vw,14.5px);
  color: var(--txt2);
  line-height: 1.75;
}

/* ════════════════════════════════
   RESPONSIVE
════════════════════════════════ */
@media (max-width: 640px) {
  .ldif-brand-div { display: none; }
  .ldif-grid { grid-template-columns: 1fr; }
  .ldif-tabs { gap: 6px; }
  .ldif-tab { padding: 7px 13px; font-size: 12px; }
  .ldif-card-preview { font-size: clamp(16px,5vw,22px); }
  .ldif-artigo h2 { font-size: 17px; }
}
@media (max-width: 400px) {
  .ldif-titulo { font-size: 13.5px; }
  .ldif-brand-info { gap: 8px; }
  .ldif-card-footer { flex-direction: column; align-items: flex-end; gap: 6px; }
  .ldif-card-hint { display: none; }
}

/* ── Focus ring accessibility ── */
.ldif-tab:focus-visible,
.ldif-btn-copiar:focus-visible,
.ldif-btn-limpar:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}