/* ==========================================================================
   Algo Image Converter — Tool-specific styles
   Everything shared (buttons, cards, header, toast, modal, tokens) lives in
   /shared/css/*. Only converter-page layout lives here.
   ========================================================================== */

/* ---------- Hero ---------- */
.hero { padding-block: var(--sp-10) var(--sp-8); text-align: center; position: relative; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute; inset: -20% -10% auto -10%;
  height: 420px;
  background: radial-gradient(600px 300px at 50% 0%, var(--c-accent-soft), transparent 70%),
              radial-gradient(500px 260px at 80% 20%, var(--c-accent-2-soft), transparent 70%);
  pointer-events: none; z-index: -1;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}
.hero h1 {
  font-size: clamp(var(--fs-2xl), 5vw, var(--fs-3xl));
  max-width: 18ch; margin-inline: auto;
}
.hero p.hero-subtitle {
  margin: var(--sp-4) auto 0; max-width: 56ch;
  color: var(--c-text-muted); font-size: var(--fs-md);
}

.steps-strip {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: var(--sp-2); margin-top: var(--sp-6);
}
.step-pill {
  display: flex; align-items: center; gap: var(--sp-2);
  background: var(--c-surface); border: 1px solid var(--c-border);
  padding: var(--sp-2) var(--sp-4); border-radius: var(--r-full);
  font-size: var(--fs-sm); color: var(--c-text-muted);
}
.step-pill b {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--c-accent-soft); color: var(--c-accent);
  font-size: var(--fs-xs); font-family: var(--font-display);
}
.step-pill:not(:last-child)::after {
  content: "\2192"; margin-left: var(--sp-2); color: var(--c-text-faint);
}
@media (max-width: 640px) { .step-pill:not(:last-child)::after { display: none; } }

/* ---------- Workspace layout ---------- */
.workspace { padding-block: var(--sp-6) var(--sp-12); display: grid; gap: var(--sp-6); }

.tool-card { padding: var(--sp-6); }
.tool-card + .tool-card { margin-top: var(--sp-6); }
.tool-card-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--sp-3); margin-bottom: var(--sp-5); }
.tool-card-head h2 { font-size: var(--fs-lg); }
.tool-card-head p { color: var(--c-text-muted); font-size: var(--fs-sm); margin-top: var(--sp-1); }

/* ---------- Dropzone ---------- */
.dropzone {
  border: 2px dashed var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-10) var(--sp-5);
  text-align: center;
  background: var(--c-surface-2);
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
  cursor: pointer;
}
.dropzone:hover, .dropzone:focus-visible { border-color: var(--c-accent-2); }
.dropzone.is-dragover {
  border-color: var(--c-accent);
  background: var(--c-accent-soft);
  animation: pulse-ring 1.2s ease-out infinite;
}
.dropzone-icon {
  width: 56px; height: 56px; margin-inline: auto var(--sp-4);
  border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  display: flex; align-items: center; justify-content: center;
  color: #06110C;
  animation: float-y 3.4s ease-in-out infinite;
}
.dropzone-icon svg { width: 28px; height: 28px; }
.dropzone h3 { font-size: var(--fs-md); margin-bottom: var(--sp-1); }
.dropzone .dz-subtitle { color: var(--c-text-muted); font-size: var(--fs-sm); }
.dropzone .dz-hint { color: var(--c-text-faint); font-size: var(--fs-xs); margin-top: var(--sp-3); }
.dropzone-actions { margin-top: var(--sp-5); display: flex; justify-content: center; gap: var(--sp-3); flex-wrap: wrap; }

/* ---------- File queue ---------- */
.queue-head { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); margin-top: var(--sp-6); margin-bottom: var(--sp-3); flex-wrap: wrap; }
.queue-head h3 { font-size: var(--fs-md); }
.queue-actions { display: flex; gap: var(--sp-2); }

.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--sp-4);
}
.file-card {
  position: relative;
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  overflow: hidden;
  animation: fade-up var(--dur-base) var(--ease-out) both;
}
.file-thumb {
  width: 100%; aspect-ratio: 4 / 3;
  background: var(--c-bg-alt);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.file-thumb img { width: 100%; height: 100%; object-fit: cover; }
.file-meta { padding: var(--sp-3); }
.file-name { font-size: var(--fs-sm); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-sub { display: flex; justify-content: space-between; gap: var(--sp-2); margin-top: var(--sp-1); font-size: var(--fs-xs); color: var(--c-text-faint); }
.file-remove {
  position: absolute; top: var(--sp-2); right: var(--sp-2);
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(4, 6, 16, 0.55); color: #fff;
  display: flex; align-items: center; justify-content: center;
  border: none; backdrop-filter: blur(4px);
  transition: background var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.file-remove:hover { background: var(--c-danger); transform: scale(1.06); }
.file-remove svg { width: 14px; height: 14px; }

.file-status {
  position: absolute; left: var(--sp-2); top: var(--sp-2);
  padding: 2px var(--sp-2); border-radius: var(--r-full);
  font-size: 10px; font-weight: 700; letter-spacing: 0.03em;
  background: rgba(4, 6, 16, 0.55); color: #fff;
}
.file-card[data-status="done"] .file-status { background: var(--c-success); color: #06110C; }
.file-card[data-status="error"] .file-status { background: var(--c-danger); }
.file-card[data-status="converting"] .file-status { background: var(--c-accent-2); color: #06110C; }

/* ---------- Format selector ---------- */
.format-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: var(--sp-3);
}
.format-option { position: relative; }
.format-option input {
  position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer;
}
.format-option label {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--sp-1);
  padding: var(--sp-4) var(--sp-2);
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  background: var(--c-surface-2);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
  transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.format-option label small { font-family: var(--font-body); font-weight: 500; font-size: 10px; color: var(--c-text-faint); }
.format-option input:hover + label { border-color: var(--c-accent-2); color: var(--c-text); }
.format-option input:focus-visible + label { outline: 2px solid var(--c-accent-2); outline-offset: 2px; }
.format-option input:checked + label {
  border-color: var(--c-accent);
  background: var(--c-accent-soft);
  color: var(--c-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.format-note { margin-top: var(--sp-4); font-size: var(--fs-xs); color: var(--c-text-faint); display: none; }
.format-note.is-visible { display: block; }

/* ---------- Convert action bar ---------- */
.convert-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-4); flex-wrap: wrap;
  margin-top: var(--sp-6);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--c-border);
}
.convert-progress { flex: 1 1 260px; display: none; }
.convert-progress.is-visible { display: block; }
.convert-progress-label { display: flex; justify-content: space-between; font-size: var(--fs-xs); color: var(--c-text-muted); margin-bottom: var(--sp-2); }

/* ---------- Results ---------- */
.results-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: var(--sp-4); margin-top: var(--sp-5); }
.result-card { background: var(--c-surface-2); border: 1px solid var(--c-border); border-radius: var(--r-md); overflow: hidden; animation: fade-up var(--dur-base) var(--ease-out) both; }
.result-thumb { width: 100%; aspect-ratio: 4/3; background: var(--c-bg-alt); }
.result-thumb img { width: 100%; height: 100%; object-fit: cover; }
.result-body { padding: var(--sp-3); display: flex; flex-direction: column; gap: var(--sp-2); }
.result-name { font-size: var(--fs-sm); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result-tags { display: flex; gap: var(--sp-2); flex-wrap: wrap; font-size: var(--fs-xs); color: var(--c-text-faint); }

/* ---------- History ---------- */
.history-list { display: flex; flex-direction: column; gap: var(--sp-3); }
.history-row {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-surface-2);
  animation: fade-up var(--dur-base) var(--ease-out) both;
}
.history-thumb { width: 52px; height: 52px; border-radius: var(--r-sm); overflow: hidden; background: var(--c-bg-alt); flex-shrink: 0; }
.history-thumb img { width: 100%; height: 100%; object-fit: cover; }
.history-info .history-name { font-weight: 600; font-size: var(--fs-sm); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.history-info .history-sub { font-size: var(--fs-xs); color: var(--c-text-faint); margin-top: 2px; display: flex; gap: var(--sp-2); flex-wrap: wrap; }
.history-actions { display: flex; gap: var(--sp-2); }

@media (max-width: 560px) {
  .history-row { grid-template-columns: 44px 1fr; }
  .history-actions { grid-column: 1 / -1; justify-content: flex-end; }
}

.tool-card-head + .format-grid,
.tool-card-head + .dropzone { margin-top: 0; }