/* ============================================================
   Pixel Font Generator — all classes prefixed pfg-
   Safe to embed alongside any other page styles.
   ============================================================ */

.pfg-root *,
.pfg-root *::before,
.pfg-root *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ---------- root ---------- */
.pfg-root {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: #f8f9fb;
  min-height: 100vh;
  padding: 48px 24px 64px;
  color: #1e293b;
}

/* ---------- heading ---------- */
.pfg-heading {
  text-align: center;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #0f172a;
  margin-bottom: 8px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.pfg-subheading {
  text-align: center;
  font-size: 0.9rem;
  color: #64748b;
  margin-bottom: 28px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* ---------- top bar ---------- */
.pfg-topbar {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.pfg-input-wrap {
  flex: 1;
  position: relative;
}

.pfg-input {
  width: 100%;
  background: #fff;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  padding: 15px 44px 15px 18px;
  font-size: 1.05rem;
  font-family: 'Courier New', Courier, monospace;
  font-weight: 500;
  color: #0f172a;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  caret-color: #2563eb;
  letter-spacing: 0.02em;
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
}

.pfg-input::placeholder {
  color: #94a3b8;
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 400;
}

.pfg-input:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37,99,235,.1), 0 1px 3px rgba(0,0,0,.06);
}

.pfg-clear-btn {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 0.8rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: color 0.15s;
}

.pfg-clear-btn:hover {
  color: #475569;
}

.pfg-copyall-btn {
  flex-shrink: 0;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 0 24px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  box-shadow: 0 2px 8px rgba(37,99,235,.25);
  white-space: nowrap;
}

.pfg-copyall-btn:hover:not(:disabled) {
  background: #1d4ed8;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37,99,235,.3);
}

.pfg-copyall-btn:active:not(:disabled) {
  transform: translateY(0);
}

.pfg-copyall-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

.pfg-copyall-btn--done {
  background: #16a34a !important;
  box-shadow: 0 2px 8px rgba(22,163,74,.3) !important;
}

/* ---------- style grid ---------- */
.pfg-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 1100px) {
  .pfg-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 780px) {
  .pfg-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 520px) {
  .pfg-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- style card ---------- */
.pfg-card {
  background: #fff;
  border: 1.5px solid #e2e8f0;
  border-radius: 12px;
  padding: 16px 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
  min-height: 148px;
  box-shadow: 0 1px 3px rgba(0,0,0,.05);
}

.pfg-card:hover {
  border-color: #cbd5e1;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,.09);
}

.pfg-card--copied {
  border-color: #2563eb !important;
  box-shadow: 0 0 0 3px rgba(37,99,235,.12), 0 6px 20px rgba(37,99,235,.1) !important;
}

.pfg-card-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #94a3b8;
  display: block;
  user-select: none;
}

.pfg-card--copied .pfg-card-label {
  color: #2563eb;
}

/* Clickable preview area */
.pfg-card-preview {
  flex: 1;
  font-size: 1rem;
  line-height: 1.55;
  color: #1e293b;
  word-break: break-word;
  overflow-wrap: anywhere;
  overflow: hidden;
  cursor: pointer;
  border-radius: 6px;
  padding: 4px 6px;
  margin: -4px -6px;
  transition: background 0.15s, color 0.15s;
}

.pfg-card-preview:hover {
  background: #f1f5f9;
  color: #0f172a;
}

.pfg-card--copied .pfg-card-preview {
  background: #eff6ff;
  color: #1e40af;
}

/* ---------- character count warning ---------- */
.pfg-char-warn {
  font-size: 0.65rem;
  font-weight: 600;
  color: #94a3b8;
  letter-spacing: 0.03em;
}

.pfg-char-warn--near {
  color: #d97706;
}

.pfg-char-warn--over {
  color: #dc2626;
}

/* ---------- select button ---------- */
.pfg-select-btn {
  align-self: flex-start;
  background: #f1f5f9;
  border: 1.5px solid #e2e8f0;
  border-radius: 6px;
  padding: 6px 16px;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #64748b;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.1s;
}

.pfg-select-btn:hover {
  background: #e2e8f0;
  color: #334155;
  border-color: #cbd5e1;
  transform: translateY(-1px);
}

.pfg-select-btn:active {
  transform: translateY(0);
}

.pfg-select-btn--done {
  background: #eff6ff !important;
  border-color: #2563eb !important;
  color: #2563eb !important;
}

/* ---------- description ---------- */
.pfg-description {
  max-width: 1020px;
  margin: 40px auto 0;
  padding: 30px 8px;
}

.pfg-description p {
  font-size: 0.95rem;
  line-height: 1.75;
  color: #64748b;
}

/* ---------- responsive ---------- */
@media (max-width: 520px) {
  .pfg-root {
    padding: 28px 12px 40px;
  }

  .pfg-heading {
    font-size: 1.5rem;
  }

  .pfg-topbar {
    flex-direction: column;
  }

  .pfg-copyall-btn {
    padding: 14px;
    width: 100%;
  }

  .pfg-card-preview {
    font-size: 0.875rem;
  }
}