/* ============================================
   Acronym Generator — Premium Responsive CSS
   ============================================ */

.acr-tool-wrap {
  --acr-text: var(--text, #1a202c);
  --acr-text-muted: var(--text-muted, #718096);
  --acr-navy: var(--navy, #1a202c);
  --acr-white: var(--white, #fff);
  --acr-border: #e2e8f0;
  --acr-bg: #f8fafc;

  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 0 24px;
  box-sizing: border-box;
}

.acr-tool-wrap * {
  box-sizing: border-box;
}

/* ── Top Search Bar ───────────────────────────── */
.acr-tool-wrap .acr-top-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  background: var(--acr-white);
  border: 1px solid var(--acr-border);
  border-radius: 10px;
  padding: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  width: 100%;
}

.acr-tool-wrap .acr-top-bar input {
  flex: 1;
  min-width: 0;
  font-size: 15px;
  padding: 9px 12px;
  border: none;
  background: transparent;
  outline: none;
  color: var(--acr-text);
  font-family: inherit;
}

.acr-tool-wrap .acr-top-bar button {
  flex-shrink: 0;
  padding: 9px 18px;
  background: var(--acr-navy);
  color: var(--acr-white);
  border: none;
  border-radius: 7px;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  font-family: inherit;
  transition: opacity 0.2s ease;
  white-space: nowrap;
}

.acr-tool-wrap .acr-top-bar button:hover {
  opacity: 0.88;
}

/* ── Variations Grid: 3-col desktop ──────────── */
.variations-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 16px;
  width: 100%;
}

/* ── Acronym Card ─────────────────────────────── */
.acronym-card {
  background: var(--acr-white);
  border: 1px solid var(--acr-border);
  border-radius: 12px;
  padding: 18px;
  transition: all 0.2s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
}

.acronym-card:hover {
  border-color: var(--acr-navy);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--acr-border);
}

.card-header h3 {
  font-size: 13px;
  font-weight: 700;
  color: var(--acr-text);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.method-badge {
  font-size: 10.5px;
  background: var(--acr-bg);
  padding: 3px 8px;
  border-radius: 20px;
  color: var(--acr-text-muted);
  font-weight: 600;
  margin-left: auto;
  border: 1px solid var(--acr-border);
  white-space: nowrap;
}

.acronym-value {
  background: var(--acr-bg);
  padding: 14px;
  border-radius: 8px;
  font-family: 'SF Mono', 'Fira Code', Consolas, Monaco, monospace;
  font-size: 1.7rem;
  font-weight: 800;
  text-align: center;
  color: var(--acr-navy);
  margin: 10px 0;
  letter-spacing: 3px;
  word-break: break-all;
  border: 1px solid var(--acr-border);
  transition: all 0.2s ease;
}

.desc {
  font-size: 12px;
  color: var(--acr-text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
  padding: 10px 12px;
  background: var(--acr-bg);
  border-radius: 6px;
  border-left: 3px solid var(--acr-border);
  flex-grow: 1;
}

/* ── Copy Button ──────────────────────────────── */
.copy-btn {
  background: var(--acr-white);
  border: 1.5px solid var(--acr-border);
  padding: 10px 14px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--acr-text);
  cursor: pointer;
  transition: all 0.15s ease;
  width: 100%;
  justify-content: center;
  font-family: inherit;
  margin-top: auto;
}

.copy-btn:hover {
  background: var(--acr-bg);
  border-color: var(--acr-navy);
}

.copy-btn.copied-state {
  background: #10b981 !important;
  color: #fff !important;
  border-color: #10b981 !important;
}

/* ── Table ────────────────────────────────────── */
.tool-content .content-right table {
  width: 100%;
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
  margin: 16px 0;
  white-space: nowrap;
}

.tool-content .content-right th,
.tool-content .content-right td {
  padding: 10px 12px;
  border: 1px solid var(--acr-border);
  font-size: 13px;
}

.tool-content .content-right th {
  background: var(--acr-bg);
  font-weight: 700;
}

/* ── Responsive: Tablet ≤768px ────────────────── */
@media (max-width: 768px) {
  .variations-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  .acronym-value {
    font-size: 1.4rem !important;
  }
}

/* ── Responsive: Mobile ≤600px ────────────────── */
@media (max-width: 600px) {
  .acr-tool-wrap .acr-top-bar {
    flex-direction: column !important;
    padding: 8px !important;
    gap: 8px !important;
  }

  .acr-tool-wrap .acr-top-bar input {
    width: 100% !important;
    padding: 12px !important;
    font-size: 16px !important;
    border: 1px solid var(--acr-border) !important;
    border-radius: 7px !important;
    background: var(--acr-white) !important;
  }

  .acr-tool-wrap .acr-top-bar button {
    width: 100% !important;
    padding: 13px !important;
    font-size: 15px !important;
    border-radius: 8px !important;
    justify-content: center !important;
  }

  .acronym-card {
    padding: 14px !important;
  }
}