/* ASMStack public website - shared styles */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --surface: #ffffff;
  --text: #0e1726;
  --text-muted: #5a6577;
  --border: #e3e8ef;
  --brand: #2563eb;
  --brand-dark: #1d4ed8;
  --brand-2: #7c3aed;
  --brand-soft: #eef3ff;
  --ok: #10b981;
  --ok-soft: #e7f8f1;
  --ink: #0b1220;
  --ink-text: #c9d3e1;
  --radius: 14px;
  --max: 1160px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px rgba(15, 23, 42, .06);
  --shadow-lg: 0 2px 4px rgba(15, 23, 42, .04), 0 24px 60px rgba(30, 58, 138, .16);
  --header-bg: rgba(255, 255, 255, .78);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0f1a;
    --bg-soft: #0f1624;
    --surface: #131c2c;
    --text: #e8edf5;
    --text-muted: #98a3b5;
    --border: #233047;
    --brand: #6b9bff;
    --brand-dark: #93b4ff;
    --brand-2: #a78bfa;
    --brand-soft: #16233d;
    --ok: #34d399;
    --ok-soft: #10302a;
    --ink: #060a12;
    --shadow-sm: none;
    --shadow: none;
    --shadow-lg: 0 24px 60px rgba(0, 0, 0, .45);
    --header-bg: rgba(10, 15, 26, .78);
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); text-underline-offset: 3px; }
a:hover { color: var(--brand-dark); }

img, svg { max-width: 100%; }

h1, h2, h3 { font-family: "Inter", "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--header-bg);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 68px;
  flex-wrap: wrap;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
  font-size: 20px;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -.02em;
  margin-right: auto;
}
.logo:hover { color: var(--text); }
.logo img { width: 30px; height: 30px; flex: none; }
.nav { display: flex; gap: 2px; flex-wrap: wrap; align-items: center; }
.nav a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); background: var(--bg-soft); }
.header-cta { margin-left: 8px; }
@media (max-width: 720px) {
  .site-header .header-cta { display: none; }
  .site-header .wrap { padding-top: 8px; padding-bottom: 8px; }
  .nav { width: 100%; justify-content: space-between; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  font-size: 16px;
  line-height: 1.2;
  text-decoration: none;
  padding: 13px 22px;
  border-radius: 10px;
  border: 1px solid transparent;
  box-shadow: 0 1px 2px rgba(15, 23, 42, .12), inset 0 1px 0 rgba(255, 255, 255, .12);
  transition: background .15s, transform .15s, box-shadow .15s;
}
.btn:hover { background: var(--brand-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 8px 20px rgba(37, 99, 235, .28); }
.btn.small { padding: 9px 16px; font-size: 14px; }
.btn.secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.btn.secondary:hover { background: var(--bg-soft); color: var(--text); box-shadow: var(--shadow-sm); }
.btn.light { background: #fff; color: #1e293b; }
.btn.light:hover { background: #eef2ff; color: #1e293b; box-shadow: 0 8px 24px rgba(0, 0, 0, .25); }
@media (prefers-color-scheme: dark) {
  .btn { color: #07101f; }
  .btn:hover { color: #07101f; }
}
.btn svg { width: 18px; height: 18px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  background: var(--brand-soft);
  border: 1px solid color-mix(in srgb, var(--brand) 22%, transparent);
  border-radius: 999px;
  padding: 5px 12px;
}
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 25%, transparent); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 96px;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 120%;
  z-index: -2;
  background:
    radial-gradient(40% 50% at 18% 20%, color-mix(in srgb, var(--brand) 18%, transparent), transparent 70%),
    radial-gradient(35% 45% at 85% 30%, color-mix(in srgb, var(--brand-2) 16%, transparent), transparent 70%),
    radial-gradient(30% 40% at 60% 90%, color-mix(in srgb, var(--ok) 10%, transparent), transparent 70%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--text) 6%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--text) 6%, transparent) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(70% 60% at 50% 30%, #000 30%, transparent 75%);
  mask-image: radial-gradient(70% 60% at 50% 30%, #000 30%, transparent 75%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: 48px; } }
.hero h1 {
  font-size: clamp(36px, 5.6vw, 60px);
  line-height: 1.06;
  margin: 20px 0 20px;
  letter-spacing: -.035em;
  font-weight: 800;
}
.gradient-text {
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead { font-size: 19px; color: var(--text-muted); max-width: 560px; margin: 0 0 32px; }
.hero .meta {
  margin-top: 28px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 14px;
}
.hero .meta span { display: inline-flex; align-items: center; gap: 6px; }
.hero .meta svg { width: 16px; height: 16px; color: var(--ok); }

/* ---------- Product illustration (app window) ---------- */
.mock {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 500px;
  justify-self: center;
  width: 100%;
}
.mock-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
  font-size: 13px;
  color: var(--text-muted);
}
.mock-bar i { width: 11px; height: 11px; border-radius: 50%; background: var(--border); display: block; }
.mock-bar b { margin-left: 8px; font-weight: 600; color: var(--text); }
.mock-body { padding: 22px; display: grid; gap: 16px; }
.mock-status {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border-radius: 12px;
  background: var(--ok-soft);
}
.mock-status .check {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--ok); color: #fff;
  display: grid; place-items: center; flex: none;
}
.mock-status .check svg { width: 22px; height: 22px; }
.mock-status strong { display: block; font-size: 16px; }
.mock-status span { font-size: 13px; color: var(--text-muted); }
.mock-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 14px;
}
.mock-row .pc {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--brand-soft); color: var(--brand);
  display: grid; place-items: center;
}
.mock-row .pc svg { width: 18px; height: 18px; }
.mock-row strong { display: block; font-size: 14px; }
.mock-row small { color: var(--text-muted); font-size: 12px; }
.pill {
  font-size: 12px; font-weight: 600;
  padding: 3px 10px; border-radius: 999px;
  background: var(--ok-soft); color: var(--ok);
  white-space: nowrap;
}
.pill.busy { background: var(--brand-soft); color: var(--brand); }
.progress { height: 6px; border-radius: 99px; background: var(--bg-soft); overflow: hidden; margin-top: 6px; }
.progress span { display: block; height: 100%; width: 64%; border-radius: inherit; background: linear-gradient(90deg, var(--brand), var(--brand-2)); }
.mock-float {
  position: absolute;
  right: -10px;
  bottom: 22px;
}

/* ---------- Sections ---------- */
.section { padding: 88px 0; }
.section.soft { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 680px; margin: 0 0 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 10px;
}
.section h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.15;
  margin: 0 0 14px;
  letter-spacing: -.025em;
  font-weight: 750;
}
.section-head p { color: var(--text-muted); font-size: 18px; margin: 0; }

.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid.three { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .grid.three { grid-template-columns: 1fr; } }

.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--brand) 30%, var(--border)); }
.card h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--text-muted); font-size: 16px; }
.icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand-soft), color-mix(in srgb, var(--brand-2) 14%, var(--brand-soft)));
  color: var(--brand);
  display: grid; place-items: center;
  margin-bottom: 16px;
}
.icon svg { width: 22px; height: 22px; }

/* Product card (home) */
.product {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 40px;
  align-items: center;
  padding: 40px;
  border-radius: 20px;
}
.product:hover { transform: none; }
.product h3 { font-size: 28px; margin: 14px 0 10px; letter-spacing: -.02em; }
.product p { font-size: 17px; }
.product ul { list-style: none; padding: 0; margin: 20px 0 28px; display: grid; gap: 10px; }
.product li { display: flex; gap: 10px; align-items: flex-start; color: var(--text); font-size: 16px; }
.product li svg { width: 20px; height: 20px; color: var(--ok); flex: none; margin-top: 3px; }
.product-art {
  aspect-ratio: 1 / 1;
  max-width: 280px;
  justify-self: center;
  width: 100%;
  border-radius: 24px;
  background:
    radial-gradient(60% 60% at 30% 25%, rgba(255, 255, 255, .35), transparent 60%),
    linear-gradient(135deg, var(--brand), var(--brand-2));
  display: grid; place-items: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.product-art svg { width: 46%; height: 46%; }
.tool-strip {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
  padding: 18px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  color: var(--text);
  text-decoration: none;
  transition: border-color .15s, transform .15s;
}
.tool-strip .icon { width: 44px; height: 44px; flex: none; display: grid; place-items: center; border-radius: 10px; background: var(--brand-soft); color: var(--brand); }
.tool-strip .icon svg { width: 22px; height: 22px; }
.tool-strip div { flex: 1; }
.tool-strip strong { display: block; font-size: 17px; }
.tool-strip span { color: var(--text-muted); font-size: 15px; }
.tool-strip-links { margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 6px 18px; }
.tool-strip-links a { font-weight: 600; }
.coming {
  margin-top: 20px;
  padding: 22px 26px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 16px;
}
.coming svg { width: 22px; height: 22px; flex: none; color: var(--brand); }
@media (max-width: 800px) {
  .product { grid-template-columns: 1fr; padding: 28px; }
  .product-art { max-width: 180px; order: -1; justify-self: start; }
}

/* Steps */
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 20px; grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.steps li {
  counter-increment: step;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.steps li::before {
  content: counter(step);
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  font-weight: 700;
  display: grid; place-items: center;
  margin-bottom: 14px;
}
.steps strong { display: block; font-size: 17px; margin-bottom: 4px; }
.steps span { color: var(--text-muted); font-size: 15px; }
.steps.vertical { grid-template-columns: 1fr; gap: 12px; }
.steps.vertical li { display: grid; grid-template-columns: 36px 1fr; column-gap: 16px; padding: 18px 20px; }
.steps.vertical li::before { margin: 0; grid-row: span 2; }

/* Dark band */
.band-dark {
  background:
    radial-gradient(50% 80% at 85% 0%, rgba(124, 58, 237, .35), transparent 60%),
    radial-gradient(50% 80% at 0% 100%, rgba(37, 99, 235, .35), transparent 60%),
    var(--ink);
  color: #fff;
}
.band-dark .eyebrow { color: #a5b4fc; }
.band-dark .section-head p { color: var(--ink-text); }
.band-dark .card {
  background: rgba(255, 255, 255, .04);
  border-color: rgba(255, 255, 255, .1);
  box-shadow: none;
}
.band-dark .card:hover { border-color: rgba(165, 180, 252, .45); }
.band-dark .card p { color: var(--ink-text); }
.band-dark .icon { background: rgba(165, 180, 252, .14); color: #c7d2fe; }

/* Call to action band */
.cta {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  padding: 56px 48px;
  color: #fff;
  background:
    radial-gradient(60% 120% at 100% 0%, rgba(255, 255, 255, .22), transparent 55%),
    linear-gradient(120deg, #1d4ed8, #6d28d9);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}
.cta h2 { color: #fff; margin: 0 0 8px; }
.cta p { margin: 0; color: rgba(255, 255, 255, .85); font-size: 18px; max-width: 560px; }
@media (max-width: 760px) { .cta { grid-template-columns: 1fr; padding: 40px 28px; } }

/* Notice box */
.notice {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 22px 26px;
  box-shadow: var(--shadow-sm);
}
.notice h3 { margin: 0 0 6px; font-size: 18px; }
.notice p { margin: 0 0 10px; color: var(--text-muted); }
.notice p:last-child { margin-bottom: 0; }

/* ---------- Text pages (legal, about, contact) ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(45% 120% at 0% 0%, color-mix(in srgb, var(--brand) 12%, transparent), transparent 70%),
    radial-gradient(40% 120% at 100% 0%, color-mix(in srgb, var(--brand-2) 10%, transparent), transparent 70%),
    var(--bg-soft);
}
.page-hero .wrap { max-width: 860px; }
.page-hero h1 { font-size: clamp(32px, 4.6vw, 48px); line-height: 1.1; margin: 14px 0 10px; letter-spacing: -.03em; font-weight: 800; }
.page-hero p { color: var(--text-muted); font-size: 18px; margin: 0; }
.page { padding: 56px 0 88px; }
.page .wrap { max-width: 860px; }
.prose { max-width: 720px; }
.prose h2 { font-size: 22px; margin: 40px 0 10px; letter-spacing: -.015em; }
.prose h3 { font-size: 17px; margin: 24px 0 6px; }
.prose p, .prose li { color: color-mix(in srgb, var(--text) 85%, var(--text-muted)); }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 6px; }
.prose > p:first-child { font-size: 18px; }
.contact-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-weight: 600; text-decoration: none; }
.contact-link:hover { text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 56px 0 32px;
  color: var(--text-muted);
  font-size: 15px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
  gap: 32px;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }
.footer-brand p { margin: 12px 0 0; max-width: 300px; }
.site-footer h4 {
  margin: 4px 0 12px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text);
}
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-footer a { color: var(--text-muted); text-decoration: none; }
.site-footer a:hover { color: var(--text); }
.footer-bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 14px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card, .btn { transition: none; }
}

/* ---------- Sign in ---------- */
.auth {
  position: relative;
  padding: 72px 20px 96px;
  background:
    radial-gradient(40% 60% at 15% 10%, color-mix(in srgb, var(--brand) 14%, transparent), transparent 70%),
    radial-gradient(35% 55% at 90% 20%, color-mix(in srgb, var(--brand-2) 12%, transparent), transparent 70%),
    var(--bg-soft);
  min-height: 70vh;
}
.auth-card {
  max-width: 420px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: 36px 32px;
}
.auth-card h1 { font-size: 26px; letter-spacing: -.02em; margin: 18px 0 6px; }
.auth-sub { color: var(--text-muted); margin: 0 0 24px; font-size: 15px; }
.auth-form { display: grid; gap: 6px; }
.auth-form label { font-size: 14px; font-weight: 600; margin-top: 8px; }
.auth-form input:not(.btn) {
  font: inherit;
  font-size: 16px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  width: 100%;
}
.auth-form input:not(.btn):focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 18%, transparent); }
.btn.block { width: 100%; justify-content: center; margin-top: 18px; cursor: pointer; font-family: inherit; }
.auth-terms { margin: 10px 0 0; font-size: 13px; color: var(--text-muted); text-align: center; }
.auth-foot { margin: 22px 0 0; font-size: 14px; color: var(--text-muted); text-align: center; }
.alert {
  border: 1px solid color-mix(in srgb, #dc2626 35%, var(--border));
  background: color-mix(in srgb, #dc2626 8%, var(--surface));
  color: var(--text);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 15px;
  margin-bottom: 8px;
}

/* ---------- My account ---------- */
.account-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; max-width: var(--max) !important; }
.account-head .btn { cursor: pointer; font-family: inherit; }
.page .account-title { font-size: 22px; margin: 0 0 18px; letter-spacing: -.015em; }
.page:has(.account-title) .wrap { max-width: var(--max); }
.service-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 8px; }
.service-top h3 { margin: 0; }
.pill.muted { background: var(--bg-soft); color: var(--text-muted); }
.service-actions { margin-top: 18px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.service-actions small { color: var(--text-muted); font-size: 14px; max-width: 420px; }

/* ---------- Free PDF tools (/tools/...) ---------- */
.page-hero.compact { padding: 28px 0 22px; }
.page-hero.compact h1 { font-size: clamp(28px, 4vw, 38px); margin: 6px 0 6px; }
.page-hero.compact p { font-size: 16px; }
.page.tight { padding-top: 28px; }
.page-hero.compact .wrap, .pdf-tool { max-width: 720px; margin: 0 auto; }
.pdf-tool [hidden] { display: none !important; }
.pdf-tool .drop { display: block; border: 2px dashed var(--border); border-radius: var(--radius); background: var(--bg-soft); padding: 28px 20px; text-align: center; cursor: pointer; transition: border-color .15s, background .15s; }
.pdf-tool .drop:hover, .pdf-tool .drop.over { border-color: var(--brand); background: var(--brand-soft); }
.pdf-tool .drop strong { display: block; font-size: 18px; margin-bottom: 6px; }
.pdf-tool .drop span { color: var(--text-muted); font-size: 14px; }
.pdf-tool .drop input { display: none; }
.pdf-tool .opts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
.pdf-tool .opts.one { grid-template-columns: 1fr; }
.pdf-tool .opts label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.pdf-tool .opts select, .pdf-tool .opts input { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); color: var(--text); font: inherit; }
.pdf-tool .opts small { display: block; color: var(--text-muted); font-size: 13px; margin-top: 4px; }
.pdf-tool .status { margin-top: 20px; padding: 16px 18px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.pdf-tool .status.error { border-color: #ef4444; color: #b91c1c; }
.pdf-tool .bar { height: 8px; background: var(--bg-soft); border-radius: 99px; overflow: hidden; margin-top: 10px; }
.pdf-tool .bar span { display: block; height: 100%; width: 0; background: var(--brand); transition: width .2s; }
.pdf-tool .result { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.pdf-tool .result b { font-size: 18px; }
.pdf-tool .ok { color: var(--ok); }
.pdf-tool .note { color: var(--text-muted); font-size: 14px; margin-top: 24px; }
.pdf-tool .files { list-style: none; margin: 20px 0 0; padding: 0; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.pdf-tool .files li { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-top: 1px solid var(--border); }
.pdf-tool .files li:first-child { border-top: 0; }
.pdf-tool .files .num { width: 22px; color: var(--text-muted); font-size: 14px; text-align: right; flex: none; }
.pdf-tool .files .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pdf-tool .files small { color: var(--text-muted); font-size: 13px; white-space: nowrap; }
.pdf-tool .files a { font-weight: 600; white-space: nowrap; }
.pdf-tool .icon-btn { flex: none; width: 32px; height: 32px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); cursor: pointer; font: inherit; line-height: 1; }
.pdf-tool .icon-btn:hover:not(:disabled) { border-color: var(--brand); color: var(--brand); }
.pdf-tool .icon-btn:disabled { opacity: .35; cursor: default; }
.pdf-tool .actions-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 20px; }
.pdf-tool .btn:disabled { opacity: .5; cursor: default; transform: none; box-shadow: none; }
.faq { margin-top: 48px; }
.faq h2 { font-size: 22px; margin: 0 0 16px; letter-spacing: -.015em; }
.faq h3 { font-size: 16px; margin: 20px 0 4px; }
.faq p { color: var(--text-muted); margin: 0; }
.pdf-tool .files img.thumb { width: 40px; height: 40px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); flex: none; background: var(--bg-soft); }
.pdf-tool .thumbs .pic img:not([src]) { visibility: hidden; }
.pdf-tool .thumbs .pic { background: var(--bg-soft); border-radius: 8px; }
.pdf-tool .thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; margin-top: 20px; }
.pdf-tool .thumbs figure { margin: 0; padding: 10px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); display: flex; flex-direction: column; align-items: center; gap: 8px; }
.pdf-tool .thumbs figure.removed { opacity: .4; }
.pdf-tool .thumbs .pic { width: 100%; height: 170px; display: grid; place-items: center; overflow: hidden; }
.pdf-tool .thumbs .pic img, .pdf-tool .thumbs .pic canvas { max-width: 100%; max-height: 160px; box-shadow: var(--shadow-sm); border: 1px solid var(--border); background: #fff; transition: transform .2s; }
.pdf-tool .thumbs figcaption { font-size: 13px; color: var(--text-muted); text-align: center; }
.pdf-tool .thumbs .tools { display: flex; gap: 3px; flex-wrap: wrap; justify-content: center; }
.pdf-tool .thumbs .tools .icon-btn { width: 26px; height: 28px; font-size: 14px; padding: 0; }
.pdf-tool .thumbs a { font-weight: 600; font-size: 14px; }
.pdf-tool .crop-wrap { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 20px; align-items: flex-start; }
.pdf-tool .crop-box { width: min(100%, 360px); aspect-ratio: 1; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); background: var(--bg-soft); touch-action: none; cursor: grab; flex: none; }
.pdf-tool .crop-box.dragging { cursor: grabbing; }
.pdf-tool .crop-box canvas { display: block; }
.pdf-tool .crop-side { flex: 1; min-width: 200px; }
.pdf-tool .crop-side p { margin: 0 0 10px; color: var(--text-muted); font-size: 15px; }
.pdf-tool .crop-side p b { color: var(--text); }
.pdf-tool .crop-side label { display: block; font-weight: 600; font-size: 14px; margin: 14px 0 6px; }
.pdf-tool .crop-side input[type=range] { width: 100%; }
.pdf-tool .crop-side select { width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); color: var(--text); font: inherit; }
.pdf-tool .crop-side .bg-note { display: block; color: var(--text-muted); font-size: 13px; margin-top: 4px; }
.pdf-tool .crop-side label.check { font-weight: 400; display: flex; align-items: center; gap: 8px; margin: 10px 0 0; }
.pdf-tool .sheet-result { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 20px; padding: 18px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.pdf-tool .sheet-result img { width: 160px; height: auto; border: 1px solid var(--border); box-shadow: var(--shadow-sm); flex: none; }
.pdf-tool .sheet-result > div { flex: 1; min-width: 220px; }
.pdf-tool .sheet-result p { margin: 0 0 8px; color: var(--text-muted); }
.pdf-tool .sheet-result p b { color: var(--text); font-size: 18px; }
.pdf-tool .sheet-result .tip { margin-top: 14px; font-size: 14px; }
.pdf-tool .bg-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 20px; }
.pdf-tool .bg-compare figure { margin: 0; }
.pdf-tool .bg-compare figcaption { text-align: center; color: var(--text-muted); font-size: 13px; margin-top: 6px; }
.pdf-tool .bg-pic { height: 320px; display: grid; place-items: center; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-soft); overflow: hidden; }
.pdf-tool .bg-pic img, .pdf-tool .bg-pic canvas { max-width: 100%; max-height: 318px; display: block; }
.pdf-tool .bg-pic.checker { background: repeating-conic-gradient(#d9dde3 0% 25%, #ffffff 0% 50%) 50% / 20px 20px; }
.pdf-tool .opts input[type=color] { height: 42px; padding: 4px; }
@media (max-width: 560px) { .pdf-tool .bg-compare { grid-template-columns: 1fr; } .pdf-tool .bg-pic { height: 260px; } .pdf-tool .bg-pic img, .pdf-tool .bg-pic canvas { max-height: 258px; } }
.pdf-tool .disclaimer { margin-top: 16px; padding: 12px 14px; border-radius: 10px; background: var(--bg-soft); color: var(--text-muted); font-size: 13px; }
.tool-links { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 15px; }
.tool-links h2 { font-size: 18px; color: var(--text); margin: 0 0 12px; letter-spacing: -.01em; }
.tool-links p { margin: 0 0 10px; display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: baseline; }
.tool-links span { min-width: 64px; font-weight: 600; color: var(--text-muted); }
.tool-links a { font-weight: 600; }
@media (max-width: 560px) { .pdf-tool .opts { grid-template-columns: 1fr; } .pdf-tool .files small { display: none; } }