/* ══════════════════════════════════════════
   WebP to PNG Converter – Stylesheet
══════════════════════════════════════════ */

#wpc {
  --c-primary:   #6366f1;
  --c-primary-d: #4f46e5;
  --c-primary-l: #e0e7ff;
  --c-border:    #e2e8f0;
  --c-surface:   #f8fafc;
  --c-text:      #1e293b;
  --c-muted:     #64748b;
  --radius:      20px;

  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  max-width: 700px;
  margin: 2.5rem auto;
  background: #ffffff;
  border-radius: var(--radius);
  box-shadow: 0 4px 6px -1px rgba(0,0,0,.07), 0 20px 50px -10px rgba(0,0,0,.13);
  overflow: hidden;
  color: var(--c-text);
}

/* ── Header ─────────────────────────────── */
.wpc__header {
  background: linear-gradient(135deg, #4f46e5 0%, #6366f1 55%, #818cf8 100%);
  padding: 2.4rem 2rem 2rem;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.wpc__header::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(255,255,255,.14) 0%, transparent 55%);
  pointer-events: none;
}
.wpc__icon {
  width: 62px; height: 62px;
  background: rgba(255,255,255,.18);
  border: 1.5px solid rgba(255,255,255,.28);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.1rem;
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
  position: relative;
}
.wpc__icon svg { width: 30px; height: 30px; }
.wpc__title { font-size: 1.7rem; font-weight: 800; letter-spacing: -.5px; margin-bottom: .35rem; position: relative; }
.wpc__sub   { font-size: .92rem; opacity: .88; position: relative; margin-bottom: 1rem; }

/* Pills row */
.wpc__pills { display: flex; gap: .5rem; justify-content: center; flex-wrap: wrap; position: relative; }
.wpc__pill  {
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 999px;
  padding: .28rem .85rem;
  font-size: .75rem; font-weight: 600; letter-spacing: .2px;
}

/* ── Steps ──────────────────────────────── */
.wpc__step { padding: 2rem; }

/* ── Drop zone ──────────────────────────── */
.wpc__drop {
  border: 2.5px dashed var(--c-primary-l);
  border-radius: 16px;
  background: #f5f3ff;
  cursor: pointer;
  transition: border-color .2s, background .2s, transform .1s;
  margin-bottom: 1.5rem;
}
.wpc__drop:hover, .wpc__drop.over {
  border-color: var(--c-primary);
  background: #ede9fe;
  transform: scale(1.005);
}
.wpc__drop-body {
  padding: 2.8rem 2rem;
  display: flex; flex-direction: column;
  align-items: center; gap: .9rem; text-align: center;
}
.wpc__drop-icon svg { width: 80px; height: 80px; display: block; }
.wpc__drop-title { font-size: 1.12rem; font-weight: 700; }
.wpc__drop-or    { font-size: .85rem; color: var(--c-muted); }

/* ── Format info row ────────────────────── */
.wpc__info-row {
  display: flex; align-items: center; gap: 1rem;
  background: var(--c-surface);
  border: 1.5px solid var(--c-border);
  border-radius: 14px; padding: 1.1rem 1.3rem;
}
.wpc__info-card {
  flex: 1; display: flex; align-items: center; gap: .9rem;
}
.wpc__info-icon {
  width: 42px; height: 42px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 800; flex-shrink: 0;
}
.wpc__info-icon--webp { background: #fef3c7; color: #b45309; }
.wpc__info-icon--png  { background: #dbeafe; color: #1d4ed8; }
.wpc__info-title { font-size: .88rem; font-weight: 700; color: var(--c-text); margin-bottom: .15rem; }
.wpc__info-desc  { font-size: .76rem; color: var(--c-muted); }
.wpc__info-arrow { flex-shrink: 0; color: var(--c-primary); }

/* ── Converting ─────────────────────────── */
.wpc__converting {
  display: flex; flex-direction: column;
  align-items: center; gap: 1.3rem; padding: 3rem 2rem;
}
.wpc__spinner    { width: 64px; height: 64px; }
.wpc__spin-svg   { animation: wpc-spin .9s linear infinite; width: 100%; height: 100%; }
@keyframes wpc-spin { to { transform: rotate(360deg); } }
.wpc__cvt-title  { font-size: 1.05rem; font-weight: 700; color: var(--c-primary); }
.wpc__cvt-file   {
  font-size: .82rem; color: var(--c-muted);
  max-width: 320px; text-align: center;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ── Done ───────────────────────────────── */
.wpc__done { display: flex; flex-direction: column; gap: 1.5rem; }

.wpc__cards {
  display: flex; align-items: center; gap: 1rem;
}
.wpc__card {
  flex: 1; border-radius: 14px;
  border: 1.5px solid var(--c-border);
  overflow: hidden; background: var(--c-surface);
}
.wpc__card-badge {
  display: block; padding: .4rem 1rem;
  font-size: .72rem; font-weight: 800; letter-spacing: 1px; text-transform: uppercase;
}
.wpc__card-badge--webp { background: #fef3c7; color: #92400e; }
.wpc__card-badge--png  { background: #dbeafe; color: #1e40af; }

.wpc__card-img {
  display: flex; align-items: center; justify-content: center;
  min-height: 160px; padding: .8rem;
}
.wpc__card-img--checker {
  background: repeating-conic-gradient(#e5e7eb 0% 25%, #fff 0% 50%) 0 0 / 16px 16px;
}
.wpc__card-img img {
  max-width: 100%; max-height: 160px;
  object-fit: contain; display: block; border-radius: 6px;
}
.wpc__card-meta {
  padding: .4rem 1rem;
  font-size: .74rem; color: var(--c-muted);
  border-top: 1px solid var(--c-border); background: #fff;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* Arrow */
.wpc__mid-arrow { display: flex; align-items: center; flex-shrink: 0; }
.wpc__arrow-line { width: 24px; height: 2.5px; background: var(--c-primary); border-radius: 999px; }

/* Quality note */
.wpc__quality-note {
  display: flex; align-items: center; gap: .6rem;
  padding: .8rem 1.1rem;
  background: #f0fdf4; border: 1.5px solid #bbf7d0;
  border-radius: 12px; color: #15803d;
  font-size: .86rem; font-weight: 500;
}
.wpc__quality-note svg { color: #22c55e; flex-shrink: 0; }

/* Actions */
.wpc__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── Buttons ────────────────────────────── */
.wpc__btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .75rem 1.6rem; border-radius: 11px;
  font-size: .92rem; font-weight: 700; font-family: inherit;
  cursor: pointer; text-decoration: none; border: none;
  transition: all .15s ease;
}
.wpc__btn--primary {
  background: var(--c-primary); color: #fff;
  box-shadow: 0 4px 14px rgba(99,102,241,.4);
}
.wpc__btn--primary:hover { background: var(--c-primary-d); transform: translateY(-2px); color: #fff; box-shadow: 0 6px 20px rgba(99,102,241,.45); }
.wpc__btn--primary:active { transform: translateY(0); }
.wpc__btn--outline {
  background: #fff; color: var(--c-primary);
  border: 2px solid var(--c-primary);
}
.wpc__btn--outline:hover { background: var(--c-primary); color: #fff; }
.wpc__btn--ghost {
  background: transparent; color: var(--c-muted);
  border: 1.5px solid var(--c-border);
}
.wpc__btn--ghost:hover { border-color: var(--c-primary); color: var(--c-primary); }

/* ── Error ──────────────────────────────── */
.wpc__error {
  display: flex; align-items: center; gap: .75rem;
  margin: 0 2rem 1.5rem; padding: .95rem 1.2rem;
  background: #fef2f2; border: 1.5px solid #fecaca;
  border-radius: 12px; color: #dc2626; font-size: .88rem;
}
.wpc__error span { flex: 1; }
.wpc__error button {
  background: none; border: none; color: var(--c-primary);
  font-size: .82rem; font-weight: 700; cursor: pointer;
  font-family: inherit; padding: 0; white-space: nowrap;
}
.wpc__error button:hover { text-decoration: underline; }

/* ── Responsive ─────────────────────────── */
@media (max-width: 560px) {
  .wpc__step     { padding: 1.5rem 1rem; }
  .wpc__cards    { flex-direction: column; }
  .wpc__mid-arrow { transform: rotate(90deg); margin: .25rem 0; }
  .wpc__info-row { flex-direction: column; align-items: flex-start; }
  .wpc__info-arrow { display: none; }
  .wpc__actions  { flex-direction: column; }
  .wpc__btn      { width: 100%; justify-content: center; }
  .wpc__pills    { gap: .35rem; }
  .wpc__pill     { font-size: .7rem; }
}

/* ── Result image loading state ── */
.wpc__img-loading {
  display: flex; align-items: center; justify-content: center;
  width: 100%; min-height: 120px;
}