/* ============ BGone - styles.css (ZeroFee Tools family) ============ */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --blue: #1d4ed8; --purple: #7c3aed; --ink: #1e293b; --muted: #64748b;
  --line: #e2e8f0; --bg: #f8fafc; --card: #ffffff; --ok: #16a34a;
}
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--ink); line-height: 1.6; }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }

/* header */
#siteHeader { background: linear-gradient(135deg, var(--blue), var(--purple)); color: #fff; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 22px 20px 14px; }
.brand { display: flex; gap: 12px; align-items: center; }
.brand-mark { font-size: 2rem; }
.brand-name { font-size: 1.5rem; letter-spacing: .2px; }
.brand-tag { opacity: .85; font-size: .9rem; }
.crumbs a { color: #fff; opacity: .9; text-decoration: none; font-size: .9rem; }
.crumbs a:hover { text-decoration: underline; }
.free-banner { text-align: center; padding: 10px 16px 16px; font-size: .85rem; opacity: .95; }

/* cards */
.card { background: var(--card); border-radius: 16px; padding: 28px; margin: 24px 0; box-shadow: 0 4px 24px rgba(15,23,42,.07); }
.card h2 { margin-bottom: 10px; font-size: 1.3rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }

/* dropzone */
.dropzone { border: 2px dashed #b6c2f5; border-radius: 14px; padding: 44px 20px; text-align: center; cursor: pointer; transition: border-color .15s, background .15s; margin-top: 14px; }
.dropzone:hover, .dropzone.drag { border-color: var(--blue); background: #eff4ff; }
.dz-icon { font-size: 2.4rem; margin-bottom: 8px; }

/* honest box */
.honest-box { background: #fffbeb; border: 1px solid #fde68a; border-radius: 12px; padding: 16px 18px; margin-top: 18px; font-size: .9rem; }
.honest-box ul { margin: 8px 0 0 20px; }
.honest-box li { margin: 6px 0; }

/* progress */
.progress-track { height: 12px; background: #eef2ff; border-radius: 999px; overflow: hidden; margin: 14px 0 10px; }
.progress-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--blue), var(--purple)); border-radius: 999px; transition: width .25s; }

/* buttons */
.row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; align-items: center; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 600; font-size: .95rem; border: 1px solid transparent; cursor: pointer; text-decoration: none; }
.btn-primary { background: var(--blue); color: #fff; border-color: var(--blue); }
.btn-primary:hover { background: #1a45bd; }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

/* compare slider */
.compare { position: relative; border-radius: 12px; overflow: hidden; margin-top: 14px; user-select: none;
  background-image: linear-gradient(45deg, #e2e8f0 25%, transparent 25%), linear-gradient(-45deg, #e2e8f0 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #e2e8f0 75%), linear-gradient(-45deg, transparent 75%, #e2e8f0 75%);
  background-size: 24px 24px; background-position: 0 0, 0 12px, 12px -12px, -12px 0; background-color: #fff; }
.compare img { display: block; width: 100%; height: auto; max-height: 70vh; object-fit: contain; }
.compare-before { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain;
  clip-path: inset(0 calc(100% - var(--pos)) 0 0); background: #fff; }
.compare-divider { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 3px; background: #fff; box-shadow: 0 0 8px rgba(0,0,0,.4); pointer-events: none; }
.compare input[type="range"] { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; margin: 0; }
.compare-label { position: absolute; top: 10px; font-size: .75rem; font-weight: 700; background: rgba(15,23,42,.65); color: #fff; padding: 3px 10px; border-radius: 999px; pointer-events: none; }
.compare-label.left { left: 10px; }
.compare-label.right { right: 10px; }

/* faq */
.faq-list { margin-top: 6px; }
.faq { border: 1px solid var(--line); border-radius: 10px; margin: 10px 0; overflow: hidden; }
.faq summary { padding: 14px 16px; font-weight: 600; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "› "; color: var(--blue); font-weight: 700; }
.faq p { padding: 0 16px 16px; color: var(--muted); font-size: .93rem; }

/* footer / toast */
#siteFooter { text-align: center; padding: 26px 0 40px; color: #94a3b8; font-size: .85rem; }
.toast { position: fixed; bottom: 22px; left: 50%; transform: translate(-50%, 20px); background: #0f172a; color: #fff; padding: 12px 20px; border-radius: 10px; font-size: .9rem; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 50; max-width: 90vw; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 600px) {
  .card { padding: 20px; }
  .header-inner { flex-direction: column; gap: 8px; text-align: center; }
}