/* ============================================================================
   FreeCompressor design system — site.css
   Premium SaaS UI: light/dark themes, 16px radius, soft shadows, subtle motion.
   No build step; plain CSS custom properties.
   ========================================================================== */

/* ---- tokens ---------------------------------------------------------- */
:root {
  --blue: #2563eb;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-soft: #eff6ff;
  --blue-ring: rgba(37, 99, 235, 0.28);

  --green: #16a34a;
  --green-soft: #dcfce7;

  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-raised: #ffffff;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text: #0f172a;
  --text-2: #475569;
  --muted: #64748b;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.08), 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 24px 48px -12px rgba(15, 23, 42, 0.14);
  --shadow-pop: 0 12px 32px -8px rgba(37, 99, 235, 0.35);

  --r: 16px;
  --r-sm: 10px;
  --r-xs: 8px;

  --nav-h: 64px;
  --wrap: 1152px;

  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter,
    "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="dark"] {
  --blue: #3b82f6;
  --blue-700: #2563eb;
  --blue-soft: rgba(59, 130, 246, 0.14);
  --blue-ring: rgba(96, 165, 250, 0.35);

  --green: #22c55e;
  --green-soft: rgba(34, 197, 94, 0.16);

  --bg: #0b1120;
  --bg-soft: #0f172a;
  --bg-raised: #131c31;
  --border: #1e293b;
  --border-strong: #334155;
  --text: #e2e8f0;
  --text-2: #cbd5e1;
  --muted: #94a3b8;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px -2px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 24px 48px -12px rgba(0, 0, 0, 0.6);
  --shadow-pop: 0 12px 32px -8px rgba(37, 99, 235, 0.45);
}

/* ---- base ------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; height: auto; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 0.5em; letter-spacing: -0.02em; font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.125rem); }
h3 { font-size: 1.125rem; }
p { margin: 0 0 1em; }
button { font: inherit; color: inherit; cursor: pointer; }
input, select { font: inherit; color: inherit; }
::selection { background: rgba(37, 99, 235, 0.2); }

:focus-visible {
  outline: 3px solid var(--blue-ring);
  outline-offset: 2px;
  border-radius: 6px;
}

.skip-link {
  position: absolute; left: -999px; top: 8px; z-index: 200;
  background: var(--blue); color: #fff; padding: 10px 16px; border-radius: var(--r-sm);
}
.skip-link:focus { left: 8px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }

/* ---- reveal (subtle scroll-in) ---------------------------------------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.55s var(--ease), transform 0.55s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---- buttons ----------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 12px; border: 1px solid transparent;
  font-weight: 600; font-size: 0.9375rem; line-height: 1.2; white-space: nowrap;
  transition: transform 0.15s var(--ease), box-shadow 0.2s var(--ease),
    background 0.15s, border-color 0.15s, color 0.15s;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px) scale(0.99); }
.btn svg { width: 18px; height: 18px; flex: none; }

.btn-primary { background: var(--blue-600); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--blue-700); box-shadow: var(--shadow-pop); transform: translateY(-1px); }
.btn-ghost { background: transparent; border-color: var(--border-strong); color: var(--text); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }
.btn-soft { background: var(--blue-soft); color: var(--blue); }
.btn-soft:hover { background: var(--blue-600); color: #fff; }
.btn-success { background: var(--green); color: #fff; }
.btn-lg { padding: 15px 30px; font-size: 1.0625rem; border-radius: 14px; }
.btn-sm { padding: 8px 14px; font-size: 0.85rem; border-radius: var(--r-xs); }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; pointer-events: none; }
.btn-block { width: 100%; }

/* ---- badges / chips ---------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.8125rem; font-weight: 600; padding: 5px 12px;
  border-radius: 999px; border: 1px solid var(--border);
  background: var(--bg-raised); color: var(--text-2);
}
.badge-blue { background: var(--blue-soft); color: var(--blue); border-color: transparent; }
.badge-green { background: var(--green-soft); color: #15803d; border-color: transparent; } /* darker green meets WCAG AA on the pale-green pill */
[data-theme="dark"] .badge-green { color: var(--green); }
.badge-soon {
  background: linear-gradient(120deg, var(--blue-soft), var(--green-soft));
  color: var(--blue); border-color: transparent;
}

/* ---- navbar ------------------------------------------------------------ */
.nav {
  position: sticky; top: 0; z-index: 100; height: var(--nav-h);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 8px; height: var(--nav-h); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.0625rem; color: var(--text); letter-spacing: -0.02em; flex: none; }
.brand:hover { text-decoration: none; }
.brand .logo { width: 30px; height: 30px; border-radius: 9px; flex: none; }
.brand .wordmark span { color: var(--blue); }

.nav-links { display: flex; align-items: center; gap: 2px; margin-left: 20px; }
.nav-links > a, .nav-links > .dd > button {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 8px 13px; border-radius: var(--r-sm); border: 0; background: none;
  color: var(--text-2); font-weight: 500; font-size: 0.9375rem;
}
.nav-links > a:hover, .nav-links > .dd > button:hover { color: var(--text); background: var(--bg-soft); text-decoration: none; }
.nav-links > a[aria-current="page"] { color: var(--blue); }

.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 8px; }

/* dropdown */
.dd { position: relative; }
.dd > button svg { width: 14px; height: 14px; transition: transform 0.2s; }
.dd.open > button svg { transform: rotate(180deg); }
.dd-menu {
  position: absolute; top: calc(100% + 10px); left: 0; min-width: 460px;
  display: none; grid-template-columns: 1fr 1fr; gap: 2px; padding: 8px;
  background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: var(--r); box-shadow: var(--shadow-lg);
}
.dd.open .dd-menu { display: grid; animation: pop 0.18s var(--ease); }
@keyframes pop { from { opacity: 0; transform: translateY(-6px); } }
.dd-item {
  display: flex; gap: 12px; align-items: flex-start; padding: 10px 12px;
  border-radius: var(--r-sm); color: var(--text);
}
.dd-item:hover { background: var(--bg-soft); text-decoration: none; }
.dd-item .ico {
  width: 34px; height: 34px; flex: none; display: grid; place-items: center;
  border-radius: var(--r-xs); background: var(--blue-soft); color: var(--blue);
}
.dd-item .ico svg { width: 18px; height: 18px; }
.dd-item b { display: block; font-size: 0.9rem; font-weight: 600; }
.dd-item span { display: block; font-size: 0.78rem; color: var(--muted); line-height: 1.35; }
.dd-item .soon-tag { display: inline-block; margin-left: 6px; font-size: 0.65rem; font-weight: 700; color: var(--blue); background: var(--blue-soft); border-radius: 99px; padding: 1px 7px; vertical-align: 2px; }

/* theme switch */
.theme-btn {
  display: grid; place-items: center; width: 38px; height: 38px;
  border-radius: var(--r-sm); border: 1px solid var(--border); background: var(--bg-raised);
  color: var(--text-2); transition: border-color 0.15s, color 0.15s;
}
.theme-btn:hover { border-color: var(--blue); color: var(--blue); }
.theme-btn svg { width: 18px; height: 18px; }
.theme-btn .moon, [data-theme="dark"] .theme-btn .sun { display: none; }
[data-theme="dark"] .theme-btn .moon { display: block; }

/* mobile nav */
.nav-burger { display: none; }
@media (max-width: 860px) {
  .nav-links {
    display: none; position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px; margin: 0; padding: 12px 16px 16px;
    background: var(--bg); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg);
  }
  .nav.open .nav-links { display: flex; }
  .dd-menu { position: static; min-width: 0; grid-template-columns: 1fr; box-shadow: none; border: 0; padding: 0 0 0 12px; }
  .nav-burger {
    display: grid; place-items: center; width: 38px; height: 38px;
    border: 1px solid var(--border); border-radius: var(--r-sm); background: var(--bg-raised); color: var(--text-2);
  }
  .nav-burger svg { width: 20px; height: 20px; }
}
@media (max-width: 480px) {
  .nav-cta .btn-primary { display: none; }
}

/* ---- hero -------------------------------------------------------------- */
.hero { position: relative; padding: 72px 0 40px; text-align: center; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% -20% auto; height: 130%;
  background:
    radial-gradient(560px 300px at 30% 20%, rgba(37, 99, 235, 0.10), transparent 70%),
    radial-gradient(560px 300px at 72% 10%, rgba(22, 163, 74, 0.07), transparent 70%);
  pointer-events: none;
}
[data-theme="dark"] .hero::before {
  background:
    radial-gradient(560px 300px at 30% 20%, rgba(59, 130, 246, 0.16), transparent 70%),
    radial-gradient(560px 300px at 72% 10%, rgba(34, 197, 94, 0.10), transparent 70%);
}
.hero > .wrap { position: relative; }
.hero h1 { max-width: 820px; margin: 18px auto 14px; }
.hero h1 em { font-style: normal; color: var(--blue); }
.hero .sub { max-width: 620px; margin: 0 auto 28px; font-size: 1.125rem; color: var(--text-2); }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 26px; }
.trust { display: flex; gap: 10px 22px; justify-content: center; flex-wrap: wrap; padding: 0; margin: 0; list-style: none; }
.trust li { display: inline-flex; align-items: center; gap: 7px; font-size: 0.9rem; font-weight: 500; color: var(--text-2); }
.trust svg { width: 16px; height: 16px; color: var(--green); flex: none; }

/* ---- sections ---------------------------------------------------------- */
.section { padding: 72px 0; }
.section.alt { background: var(--bg-soft); border-block: 1px solid var(--border); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 44px; }
.section-head p { color: var(--text-2); font-size: 1.05rem; }
.eyebrow { display: inline-block; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--blue); margin-bottom: 10px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---- cards ------------------------------------------------------------- */
.card {
  background: var(--bg-raised); border: 1px solid var(--border); border-radius: var(--r);
  padding: 26px; box-shadow: var(--shadow-sm);
  transition: transform 0.2s var(--ease), box-shadow 0.25s var(--ease), border-color 0.2s;
}
a.card { color: inherit; display: block; }
a.card:hover { text-decoration: none; }
.card.hover:hover, a.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }

.feature .ico, .tool-card .ico {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue); margin-bottom: 16px;
}
.feature .ico svg, .tool-card .ico svg { width: 22px; height: 22px; }
.feature h3 { margin-bottom: 6px; }
.feature p { margin: 0; color: var(--muted); font-size: 0.925rem; }

/* format badges */
.fmt-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.fmt {
  font-family: var(--mono); font-size: 0.9rem; font-weight: 700; letter-spacing: 0.04em;
  padding: 10px 18px; border-radius: 12px; background: var(--bg-raised);
  border: 1px solid var(--border); color: var(--text-2); box-shadow: var(--shadow-sm);
}
.fmt.hl { color: var(--blue); border-color: color-mix(in srgb, var(--blue) 40%, var(--border)); background: var(--blue-soft); }

/* steps */
.step { text-align: center; padding: 26px 20px; }
.step .num {
  width: 52px; height: 52px; margin: 0 auto 16px; display: grid; place-items: center;
  border-radius: 50%; background: var(--blue-soft); color: var(--blue);
  font-weight: 800; font-size: 1.25rem;
}
.step h3 { margin-bottom: 6px; }
.step p { color: var(--muted); margin: 0; font-size: 0.925rem; }

/* tool cards */
.tool-card { position: relative; }
.tool-card .badge { position: absolute; top: 18px; right: 18px; }
.tool-card h3 { margin-bottom: 4px; padding-right: 96px; }
.tool-card p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.tool-card .go { display: inline-flex; align-items: center; gap: 5px; margin-top: 14px; font-weight: 600; font-size: 0.9rem; color: var(--blue); }
.tool-card .go svg { width: 15px; height: 15px; transition: transform 0.18s var(--ease); }
a.tool-card:hover .go svg { transform: translateX(3px); }

/* ---- comparison table --------------------------------------------------- */
.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--r); background: var(--bg-raised); box-shadow: var(--shadow-sm); }
table.compare { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 0.925rem; }
.compare th, .compare td { padding: 14px 18px; text-align: center; border-bottom: 1px solid var(--border); }
.compare tr:last-child td { border-bottom: 0; }
.compare th { font-size: 0.85rem; color: var(--muted); font-weight: 600; }
.compare td:first-child, .compare th:first-child { text-align: left; font-weight: 500; }
.compare .us { background: var(--blue-soft); font-weight: 700; color: var(--blue); }
.compare .yes { color: var(--green); font-weight: 700; }
.compare .no { color: var(--muted); }

/* ---- FAQ ----------------------------------------------------------------*/
.faq { max-width: 760px; margin: 0 auto; }
.faq details { border: 1px solid var(--border); border-radius: var(--r-sm); background: var(--bg-raised); margin-bottom: 10px; padding: 0 20px; }
.faq summary { cursor: pointer; font-weight: 600; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.3rem; color: var(--muted); transition: transform 0.2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--text-2); margin: 0 0 16px; }

/* ========================================================================
   COMPRESSOR COMPONENT
   ====================================================================== */
.tool-shell { max-width: 1020px; margin: 0 auto; }

.drop {
  position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; min-height: 250px; padding: 36px 24px; text-align: center; cursor: pointer;
  border: 2px dashed var(--border-strong); border-radius: var(--r);
  background:
    radial-gradient(420px 200px at 50% 0%, var(--blue-soft), transparent 75%),
    var(--bg-raised);
  transition: border-color 0.2s, box-shadow 0.25s var(--ease), transform 0.2s var(--ease);
}
.drop:hover { border-color: var(--blue); box-shadow: var(--shadow-md); }
.drop.drag { border-color: var(--blue); background: var(--blue-soft); transform: scale(1.005); box-shadow: var(--shadow-pop); }
.drop .up-ico {
  width: 60px; height: 60px; display: grid; place-items: center; border-radius: 18px;
  background: var(--blue-600); color: #fff; box-shadow: var(--shadow-pop); margin-bottom: 6px;
}
.drop .up-ico svg { width: 28px; height: 28px; }
.drop .t { font-size: 1.15rem; font-weight: 700; }
.drop .h { color: var(--muted); font-size: 0.9rem; }
.drop .or { color: var(--muted); font-size: 0.85rem; margin-top: 4px; }
.drop .browse { margin-top: 4px; }
.drop.slim { min-height: 0; flex-direction: row; padding: 14px 18px; gap: 12px; }
.drop.slim .up-ico { width: 36px; height: 36px; border-radius: 10px; margin: 0; box-shadow: none; }
.drop.slim .up-ico svg { width: 18px; height: 18px; }
.drop.slim .t { font-size: 0.95rem; }
.drop.slim .h, .drop.slim .or, .drop.slim .browse { display: none; }

.paste-hint { text-align: center; margin-top: 10px; font-size: 0.82rem; color: var(--muted); }
.paste-hint kbd {
  font-family: var(--mono); font-size: 0.75rem; background: var(--bg-soft);
  border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 6px; padding: 1px 6px;
}

/* workspace grid */
.cmp-grid { display: grid; grid-template-columns: 400px 1fr; gap: 20px; margin-top: 20px; align-items: start; }
.cmp-grid > * { min-width: 0; }
@media (max-width: 900px) { .cmp-grid { grid-template-columns: 1fr; } }

.panel { background: var(--bg-raised); border: 1px solid var(--border); border-radius: var(--r); box-shadow: var(--shadow-sm); }
.panel .pad { padding: 20px; }
.panel + .panel { margin-top: 16px; }

/* file list */
.flist { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; max-height: 300px; overflow-y: auto; }
.frow {
  display: flex; align-items: center; gap: 12px; padding: 9px 10px;
  border: 1px solid var(--border); border-radius: var(--r-sm); cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.frow:hover { border-color: var(--border-strong); }
.frow.sel { border-color: var(--blue); background: var(--blue-soft); }
.frow .thumb { width: 42px; height: 42px; flex: none; border-radius: var(--r-xs); overflow: hidden; background: repeating-conic-gradient(var(--border) 0% 25%, transparent 0% 50%) 0 0/12px 12px; }
.frow .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.frow .meta { min-width: 0; flex: 1; }
.frow .name { display: block; font-size: 0.85rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.frow .nums { display: block; font-size: 0.75rem; color: var(--muted); }
.frow .nums .fmt-tag { font-family: var(--mono); font-weight: 700; color: var(--blue); margin-right: 6px; }
.frow .save { font-size: 0.8rem; font-weight: 700; flex: none; }
.frow .save.pos { color: var(--green); }
.frow .save.neg { color: #dc2626; }
.frow .save.idle { color: var(--muted); font-weight: 400; }
.frow .x {
  flex: none; width: 26px; height: 26px; display: grid; place-items: center; border: 0;
  border-radius: 8px; background: transparent; color: var(--muted); font-size: 0.9rem;
}
.frow .x:hover { background: rgba(220, 38, 38, 0.1); color: #dc2626; }

/* skeleton row (while decoding) */
.skel { position: relative; overflow: hidden; background: var(--bg-soft); border-radius: var(--r-sm); height: 62px; }
.skel::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--text) 6%, transparent), transparent);
  animation: shimmer 1.1s infinite;
}
@keyframes shimmer { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

/* controls */
.ctl-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.ctl-head .lbl { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); }
.ctl-head .val { font-size: 0.9rem; font-weight: 700; color: var(--blue); }
.ctl-head .val small { color: var(--muted); font-weight: 500; }
.rule { height: 1px; background: var(--border); margin: 18px 0; }

.seg { display: flex; gap: 6px; flex-wrap: wrap; }
.seg button {
  flex: 1; min-width: 64px; padding: 9px 10px; font-size: 0.85rem; font-weight: 600;
  border: 1px solid var(--border); border-radius: var(--r-sm); background: var(--bg-raised); color: var(--text-2);
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.seg button:hover { border-color: var(--border-strong); color: var(--text); }
.seg button.on { border-color: var(--blue); background: var(--blue-soft); color: var(--blue); }
.seg button[disabled] { opacity: 0.4; cursor: not-allowed; }
.seg button small { display: block; font-weight: 500; font-size: 0.7rem; color: var(--muted); }

input[type="range"] { width: 100%; accent-color: var(--blue); height: 28px; }

.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chips button {
  padding: 7px 13px; font-size: 0.82rem; font-weight: 600; border-radius: 999px;
  border: 1px solid var(--border); background: var(--bg-raised); color: var(--text-2);
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.chips button:hover { border-color: var(--border-strong); }
.chips button.on { border-color: var(--blue); background: var(--blue-600); color: #fff; }

/* resize controls */
.resize-custom { margin-top: 10px; }
.dim-inputs { display: flex; align-items: flex-end; gap: 8px; }
.dim-inputs label { flex: 1; display: flex; align-items: center; gap: 6px; font-size: 0.78rem; font-weight: 700; color: var(--muted); }
.dim-inputs input {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border-strong); border-radius: var(--r-xs);
  background: var(--bg-raised); color: var(--text); font: inherit; font-variant-numeric: tabular-nums;
}
.dim-inputs input:focus { outline: 2px solid var(--blue-ring); border-color: var(--blue); }
.dim-inputs .lock {
  flex: none; width: 36px; height: 36px; display: grid; place-items: center; margin-bottom: 1px;
  border: 1px solid var(--border); border-radius: var(--r-xs); background: var(--bg-raised); color: var(--muted);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.dim-inputs .lock:hover { border-color: var(--border-strong); }
.dim-inputs .lock.on { border-color: var(--blue); background: var(--blue-soft); color: var(--blue); }
.dim-inputs .lock svg { width: 15px; height: 15px; }
.resize-custom .seg { margin-top: 8px; }
.meta-note { display: flex; align-items: center; gap: 6px; margin: 12px 0 0; font-size: 0.78rem; color: var(--muted); }
.meta-note svg { width: 13px; height: 13px; color: var(--green); flex: none; }

.note { margin-top: 14px; font-size: 0.82rem; color: var(--muted); background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--r-sm); padding: 10px 12px; line-height: 1.5; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.actions .btn { flex: 1; min-width: 130px; }

/* progress bar (batch) */
.prog { height: 6px; border-radius: 99px; background: var(--bg-soft); overflow: hidden; margin-top: 14px; display: none; }
.prog.on { display: block; }
.prog i { display: block; height: 100%; width: 0%; border-radius: 99px; background: linear-gradient(90deg, var(--blue), var(--green)); transition: width 0.25s var(--ease); }

/* readout */
.readout { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.readout .blk .k { display: block; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.readout .blk .v { font-size: 1.05rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.readout .arrow { color: var(--muted); }
.readout .blk .v.pos { color: var(--green); }
.readout .blk .v.neg { color: #dc2626; }
.readout .spacer { margin-left: auto; }

/* compare stage */
.stage {
  position: relative; min-height: 340px; max-height: 520px; overflow: hidden;
  border-radius: 0 0 var(--r) var(--r); touch-action: none; user-select: none;
  background: repeating-conic-gradient(color-mix(in srgb, var(--text) 8%, transparent) 0% 25%, transparent 0% 50%) 0 0/20px 20px;
}
.stage .layer { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.stage .divider {
  position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: var(--blue);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.6); cursor: ew-resize;
}
.stage .divider .knob {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 38px; height: 38px; display: grid; place-items: center;
  background: var(--blue); color: #fff; border-radius: 50%; font-size: 0.95rem;
  box-shadow: var(--shadow-pop);
}
.stage .tag {
  position: absolute; top: 12px; font-size: 0.68rem; font-weight: 800; letter-spacing: 0.08em;
  padding: 4px 10px; border-radius: 99px; background: rgba(15, 23, 42, 0.68); color: #fff;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.stage .tag.l { left: 12px; }
.stage .tag.r { right: 12px; }
.stage .empty {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 6px; color: var(--muted); background: var(--bg-soft);
}
.stage .empty svg { width: 44px; height: 44px; opacity: 0.5; margin-bottom: 6px; }
.stage .empty .big { font-weight: 700; color: var(--text-2); }
.stage .empty .sm { font-size: 0.85rem; }
.stage .working {
  position: absolute; inset: 0; display: none; place-items: center;
  background: color-mix(in srgb, var(--bg) 45%, transparent);
  -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
}
.stage .working.on { display: grid; }
.spin {
  width: 38px; height: 38px; border-radius: 50%;
  border: 3px solid var(--blue-soft); border-top-color: var(--blue);
  animation: rot 0.7s linear infinite;
}
@keyframes rot { to { transform: rotate(360deg); } }

.stage-hint { padding: 12px 18px; font-size: 0.8rem; color: var(--muted); border-top: 1px solid var(--border); }

/* success check animation */
.check-pop { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: var(--green); color: #fff; animation: checkpop 0.4s var(--ease); }
.check-pop svg { width: 12px; height: 12px; }
@keyframes checkpop { 0% { transform: scale(0); } 70% { transform: scale(1.2); } 100% { transform: scale(1); } }

/* ========================================================================
   FILE-ROW STATUS  (progress · cancel · retry)
   ====================================================================== */
.frow.active { border-color: var(--blue); }
.frow.failed { border-color: #dc2626; }
.frow .fstat { display: none; margin-top: 5px; align-items: center; gap: 8px; }
.frow.has-stat .fstat { display: flex; }
.frow .fstat-txt { font-size: 0.72rem; font-weight: 700; color: var(--blue); white-space: nowrap; }
.frow.failed .fstat-txt { color: #dc2626; }
.frow .fbar { flex: 1; height: 4px; border-radius: 99px; background: var(--bg-soft); overflow: hidden; }
.frow .fbar i { display: block; height: 100%; width: 0%; border-radius: 99px; background: linear-gradient(90deg, var(--blue), var(--green)); transition: width 0.2s var(--ease); }
.frow.failed .fbar { display: none; }
.frow-actions { display: flex; align-items: center; gap: 2px; flex: none; }
.frow .ficon {
  width: 26px; height: 26px; display: none; place-items: center; border: 0;
  border-radius: 8px; background: transparent; color: var(--muted); font-size: 0.9rem; cursor: pointer;
}
.frow .ficon:hover { background: var(--bg-soft); color: var(--text); }
.frow.active .stop { display: grid; }
.frow.failed .retry { display: grid; }

/* ========================================================================
   CROP  (button + modal editor)
   ====================================================================== */
.crop-btn {
  margin-top: 12px; width: 100%; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 14px; border: 1px solid var(--border-strong); border-radius: var(--r-sm);
  background: var(--bg-raised); color: var(--text); font-weight: 700; font-size: 0.85rem; cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.crop-btn svg { width: 16px; height: 16px; }
.crop-btn:hover:not(:disabled) { border-color: var(--blue); color: var(--blue); }
.crop-btn.on { border-color: var(--blue); background: var(--blue-soft); color: var(--blue); }
.crop-btn:disabled { opacity: 0.45; cursor: not-allowed; }

.crop-modal {
  position: fixed; inset: 0; z-index: 2000; display: flex; flex-direction: column;
  background: rgba(8, 12, 22, 0.97); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.crop-stage { position: relative; flex: 1; overflow: hidden; touch-action: none; user-select: none; }
.crop-img { position: absolute; top: 0; left: 0; transform-origin: 0 0; pointer-events: none; will-change: transform; }
.crop-box { position: absolute; box-shadow: 0 0 0 100vmax rgba(0, 0, 0, 0.55); outline: 1.5px solid rgba(255, 255, 255, 0.95); cursor: move; }
.crop-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.3) 1px, transparent 1px);
  background-size: 33.333% 33.333%;
}
.crop-h { position: absolute; width: 14px; height: 14px; background: #fff; border: 1px solid rgba(0, 0, 0, 0.4); border-radius: 3px; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.5); touch-action: none; }
.crop-h::before { content: ""; position: absolute; inset: -9px; } /* fat touch target */
.h-nw { left: -7px; top: -7px; cursor: nwse-resize; }
.h-n { left: 50%; top: -7px; transform: translateX(-50%); cursor: ns-resize; }
.h-ne { right: -7px; top: -7px; cursor: nesw-resize; }
.h-e { right: -7px; top: 50%; transform: translateY(-50%); cursor: ew-resize; }
.h-se { right: -7px; bottom: -7px; cursor: nwse-resize; }
.h-s { left: 50%; bottom: -7px; transform: translateX(-50%); cursor: ns-resize; }
.h-sw { left: -7px; bottom: -7px; cursor: nesw-resize; }
.h-w { left: -7px; top: 50%; transform: translateY(-50%); cursor: ew-resize; }
.crop-bar { flex: none; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding: 12px 16px; background: var(--bg-raised); border-top: 1px solid var(--border); }
.crop-presets { display: flex; gap: 6px; flex-wrap: wrap; }
.crop-presets .chip { padding: 7px 12px; border-radius: 99px; border: 1px solid var(--border-strong); background: var(--bg); color: var(--text); font-size: 0.8rem; font-weight: 600; cursor: pointer; }
.crop-presets .chip.on { border-color: var(--blue); background: var(--blue-soft); color: var(--blue); }
.crop-dims { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); }
.crop-actions { margin-left: auto; display: flex; gap: 8px; }
@media (max-width: 560px) {
  .crop-actions { margin-left: 0; width: 100%; }
  .crop-actions .btn { flex: 1; }
}

/* ========================================================================
   COMING SOON pages
   ====================================================================== */
.cs-hero { text-align: center; padding: 64px 0 24px; position: relative; }
.cs-illus { width: min(340px, 70vw); margin: 0 auto 8px; display: block; }
.cs-icon {
  width: 72px; height: 72px; margin: -46px auto 20px; position: relative;
  display: grid; place-items: center; border-radius: 20px;
  background: var(--blue-600); color: #fff; box-shadow: var(--shadow-pop);
}
.cs-icon svg { width: 34px; height: 34px; }
.cs-hero h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
.cs-hero .sub { max-width: 540px; margin: 0 auto 24px; color: var(--text-2); font-size: 1.05rem; }
.cs-feats { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 26px 0 34px; padding: 0; list-style: none; }
.cs-feats li {
  display: inline-flex; align-items: center; gap: 8px; font-size: 0.9rem; font-weight: 600;
  padding: 9px 16px; border-radius: 999px; background: var(--bg-raised);
  border: 1px solid var(--border); box-shadow: var(--shadow-sm); color: var(--text-2);
}
.cs-feats svg { width: 15px; height: 15px; color: var(--green); }
.notify { max-width: 420px; margin: 0 auto; display: flex; gap: 8px; }
.notify input {
  flex: 1; min-width: 0; padding: 12px 16px; border-radius: 12px;
  border: 1px solid var(--border-strong); background: var(--bg-raised); color: var(--text);
}
.notify input:focus { outline: 2px solid var(--blue-ring); border-color: var(--blue); }
.notify-done { display: none; align-items: center; justify-content: center; gap: 8px; color: var(--green); font-weight: 700; }
.notify-done svg { width: 18px; height: 18px; flex: none; }
.notify-wrap.done .notify { display: none; }
.notify-wrap.done .notify-done { display: flex; }
.cs-back { margin-top: 26px; }

/* breadcrumbs */
.crumbs { padding: 18px 0 0; font-size: 0.85rem; color: var(--muted); }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 0; }
.crumbs li + li::before { content: "/"; margin-right: 6px; color: var(--border-strong); }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--blue); }
.crumbs [aria-current] { color: var(--text-2); font-weight: 600; }

/* ========================================================================
   BLOG
   ====================================================================== */
.post-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.post-card .cover { aspect-ratio: 1.9; display: grid; place-items: center; color: #fff; }
.post-card .cover svg { width: 46px; height: 46px; opacity: 0.9; }
.post-card .body { padding: 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.post-card .cat { font-size: 0.72rem; font-weight: 800; letter-spacing: 0.07em; text-transform: uppercase; color: var(--blue); }
.post-card h3 { margin: 0; font-size: 1.08rem; line-height: 1.35; }
.post-card p { margin: 0; color: var(--muted); font-size: 0.88rem; flex: 1; }
.post-meta { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; color: var(--muted); margin-top: 6px; }
.post-meta .avatar {
  width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue); font-size: 0.68rem; font-weight: 800; flex: none;
}
.post-meta .dot::before { content: "·"; }

.cat-row { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-bottom: 36px; }

/* article */
.prose { max-width: 720px; margin: 0 auto; font-size: 1.045rem; }
.prose h2 { margin-top: 2em; font-size: 1.5rem; }
.prose h3 { margin-top: 1.6em; font-size: 1.15rem; }
.prose ul, .prose ol { padding-left: 1.3em; margin-bottom: 1em; }
.prose li { margin-bottom: 0.35em; }
.prose blockquote { border-left: 3px solid var(--blue); margin: 1.4em 0; padding: 2px 0 2px 18px; color: var(--text-2); }
.prose code { font-family: var(--mono); font-size: 0.86em; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 6px; padding: 1px 6px; }
.prose .table-scroll { margin: 1.4em 0; }
.prose img { border-radius: var(--r-sm); }
.article-head { max-width: 720px; margin: 0 auto 36px; text-align: left; }
.article-head h1 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); }
.article-cta {
  max-width: 720px; margin: 44px auto 0; padding: 26px; text-align: center;
  border-radius: var(--r); background: linear-gradient(120deg, var(--blue-soft), var(--green-soft));
  border: 1px solid var(--border);
}
.article-cta h3 { margin-bottom: 6px; }
.article-cta p { color: var(--text-2); }

/* ========================================================================
   FOOTER
   ====================================================================== */
.footer { margin-top: 40px; border-top: 1px solid var(--border); background: var(--bg-soft); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; padding: 52px 0 36px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer h2 { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); margin: 0 0 14px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.footer ul a { color: var(--text-2); font-size: 0.92rem; }
.footer ul a:hover { color: var(--blue); }
.footer .about-col p { color: var(--muted); font-size: 0.9rem; max-width: 300px; }
.socials { display: flex; gap: 8px; margin-top: 14px; }
.socials a {
  width: 36px; height: 36px; display: grid; place-items: center; border-radius: var(--r-sm);
  border: 1px solid var(--border); color: var(--text-2); background: var(--bg-raised);
  transition: color 0.15s, border-color 0.15s, transform 0.15s var(--ease);
}
.socials a:hover { color: var(--blue); border-color: var(--blue); transform: translateY(-2px); }
.socials svg { width: 17px; height: 17px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 18px 0; border-top: 1px solid var(--border); font-size: 0.85rem; color: var(--muted);
}
.footer-bottom .lock { display: inline-flex; align-items: center; gap: 6px; }
.footer-bottom .lock svg { width: 14px; height: 14px; color: var(--green); }

/* ---- toast -------------------------------------------------------------- */
.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translate(-50%, 16px); z-index: 300;
  display: flex; align-items: center; gap: 10px;
  background: var(--text); color: var(--bg); padding: 12px 20px; border-radius: 12px;
  font-size: 0.9rem; font-weight: 600; box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none; transition: opacity 0.25s, transform 0.25s var(--ease);
  max-width: min(92vw, 480px);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.err { background: #dc2626; color: #fff; }

/* ---- misc pages ---------------------------------------------------------- */
.page-head { text-align: center; padding: 56px 0 8px; }
.page-head .sub { max-width: 560px; margin: 0 auto; color: var(--text-2); font-size: 1.05rem; }

/* roadmap */
.timeline { max-width: 680px; margin: 0 auto; position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px; background: var(--border); }
.tl-item { position: relative; padding-bottom: 28px; }
.tl-item::before {
  content: ""; position: absolute; left: -27px; top: 6px; width: 14px; height: 14px;
  border-radius: 50%; background: var(--bg); border: 3px solid var(--border-strong);
}
.tl-item.done::before { background: var(--green); border-color: var(--green); }
.tl-item.now::before { background: var(--blue); border-color: var(--blue); box-shadow: 0 0 0 5px var(--blue-ring); }
.tl-item h3 { margin-bottom: 4px; }
.tl-item p { color: var(--muted); margin: 0; font-size: 0.92rem; }

/* contact */
.contact-form { max-width: 520px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.contact-form label { font-size: 0.85rem; font-weight: 600; }
.contact-form input, .contact-form textarea {
  width: 100%; margin-top: 5px; padding: 12px 15px; border-radius: var(--r-sm);
  border: 1px solid var(--border-strong); background: var(--bg-raised); color: var(--text);
  font: inherit; resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--blue-ring); border-color: var(--blue); }

/* 404 */
.err-hero { text-align: center; padding: 90px 0; }
.err-hero .code { font-size: clamp(4rem, 12vw, 7rem); font-weight: 800; letter-spacing: -0.04em; color: var(--blue); line-height: 1; opacity: 0.9; }

/* ---- mobile spacing ------------------------------------------------------ */
@media (max-width: 600px) {
  .wrap { padding: 0 18px; }
  .hero { padding: 44px 0 20px; }
  .hero .sub { font-size: 1.03rem; }
  .section { padding: 44px 0; }
  .section-head { margin-bottom: 28px; }
  .page-head, .cs-hero { padding-top: 36px; }
  .hero-cta { margin-bottom: 20px; }
  .trust { gap: 8px 16px; }
  .btn-lg { padding: 13px 22px; font-size: 1rem; }
  .card { padding: 20px; }
  .panel .pad { padding: 16px; }
  .stage { min-height: 260px; }
  .footer-grid { padding: 40px 0 28px; }
}