/* FrogFavicon - tool-specific styles. Chrome, hero, privacy badge, and tokens
   come from the shared shell; this file carries the source tabs, dropzone,
   text/options controls, preview grid, output area, and actions. */

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ─── How-to hint ─────────────────────────────────────────────────────── */

.ff-how-to {
  margin: 0 0 1.5rem;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
}

/* ─── Source tabs ─────────────────────────────────────────────────────── */

.ff-tabs {
  display: inline-flex;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 1.25rem;
}
.ff-tab {
  border: none;
  background: var(--bg-deep);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.5rem 1.1rem;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
  min-height: 44px;
}
.ff-tab + .ff-tab { border-left: 1px solid var(--border-dark); }
.ff-tab:hover { color: var(--text-light); }
.ff-tab.is-active { background: var(--accent); color: #07140d; }
.ff-tab:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

/* ─── Source panels ───────────────────────────────────────────────────── */

.ff-panel { margin-bottom: 1.25rem; }
.ff-panel[hidden] { display: none; }

/* ─── Dropzone ────────────────────────────────────────────────────────── */

#dropzone {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  padding: 2.5rem 1.5rem;
  border: 2px dashed var(--border-dark);
  border-radius: var(--radius-md);
  background: var(--bg-deep);
  cursor: pointer;
  text-align: center;
  transition: border-color 120ms ease, background 120ms ease;
  user-select: none;
  -webkit-user-select: none;
}
#dropzone:hover,
#dropzone:focus-visible { border-color: var(--accent); background: rgba(25, 195, 125, 0.04); }
#dropzone:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
#dropzone.is-dragover { border-color: var(--accent); background: rgba(25, 195, 125, 0.08); }
.ff-dropzone__hint {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
  pointer-events: none;
}

/* ─── Text panel ──────────────────────────────────────────────────────── */

.ff-text-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
  flex-wrap: wrap;
}
.ff-text-input {
  flex: 1;
  min-width: 120px;
  background: var(--bg-deep);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  color: var(--text-light);
  font-size: 1rem;
  padding: 0.55rem 0.8rem;
  transition: border-color 120ms ease;
}
.ff-text-input:focus { outline: none; border-color: var(--accent); }
.ff-color-row {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* ─── Labels ──────────────────────────────────────────────────────────── */

.ff-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ─── Color inputs ────────────────────────────────────────────────────── */

.ff-color-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}
.ff-color-label input[type="color"] {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  padding: 2px;
  background: var(--bg-deep);
  cursor: pointer;
}

/* ─── Options row ─────────────────────────────────────────────────────── */

.ff-options {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 1rem 0;
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  margin-bottom: 1.5rem;
}

.ff-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  min-height: 44px;
}
.ff-checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

.ff-select-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.ff-select {
  background: var(--bg-deep);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  color: var(--text-light);
  font-size: 0.88rem;
  padding: 0.45rem 0.7rem;
  cursor: pointer;
  transition: border-color 120ms ease;
}
.ff-select:focus { outline: none; border-color: var(--accent); }

.ff-range-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
#paddingRange {
  accent-color: var(--accent);
  cursor: pointer;
  width: 100px;
}

/* ─── Preview grid ────────────────────────────────────────────────────── */

.ff-previews {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.favicon-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 0.5rem 0.6rem;
  background: var(--bg-deep);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  text-align: center;
}
.favicon-tile img {
  /* checkerboard so transparency reads clearly */
  background-image:
    linear-gradient(45deg, #444 25%, transparent 25%),
    linear-gradient(-45deg, #444 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #444 75%),
    linear-gradient(-45deg, transparent 75%, #444 75%);
  background-size: 10px 10px;
  background-position: 0 0, 0 5px, 5px -5px, -5px 0;
  background-color: #333;
  border-radius: 3px;
  image-rendering: pixelated;
}
.favicon-tile-doc {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  line-height: 1;
}
.favicon-tile-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
  word-break: break-all;
}
.favicon-tile a {
  font-size: 0.72rem;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}
.favicon-tile a:hover { color: var(--accent-dark); }
.favicon-tile a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ─── HTML output ─────────────────────────────────────────────────────── */

.ff-output {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}
.ff-snippet {
  width: 100%;
  box-sizing: border-box;
  background: var(--bg-deep);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  color: var(--text-light);
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.75rem;
  resize: vertical;
  line-height: 1.5;
}
.ff-snippet:focus { outline: none; border-color: var(--accent); }

/* ─── Action buttons ──────────────────────────────────────────────────── */

.ff-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

/* ─── Status ──────────────────────────────────────────────────────────── */

.ff-status {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
  min-height: 1.2em;
}
.ff-status.is-error { color: #ff8a8a; }
.ff-status.is-ok { color: var(--accent); }

/* ─── Mobile ──────────────────────────────────────────────────────────── */

@media (max-width: 560px) {
  .ff-tabs { width: 100%; }
  .ff-tab { flex: 1; justify-content: center; }

  #dropzone { min-height: 140px; padding: 1.75rem 1rem; }

  .ff-options {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.9rem;
  }
  .ff-checkbox-label,
  .ff-color-label,
  .ff-select-label,
  .ff-range-label { min-height: 44px; }

  #paddingRange { width: 140px; }

  .ff-previews { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); }

  .ff-actions { flex-direction: column; }
  .ff-actions .btn { width: 100%; }
  .btn--sm { min-height: 44px; }

  .ff-color-row { gap: 0.9rem; }
}