:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-2: #f0f2f7;
  --border: #dfe3ec;
  --text: #141a2b;
  --muted: #5d667b;
  --accent: #2f6fde;
  --accent-hover: #2459b8;
  --accent-soft: #e6eefc;
  --success: #198754;
  --success-soft: #e3f4ea;
  --danger: #d63c3c;
  --danger-soft: #fbe7e7;
  --warning: #b7791f;
  --warning-soft: #fdf3e1;
  --changed: #fff7d6;
  --cat-files: #2f6fde;
  --cat-files-soft: #e6eefc;
  --cat-pdf: #e0483e;
  --cat-pdf-soft: #fdeceb;
  --grid: rgba(47, 111, 222, .07);
  --hero-glow: rgba(47, 111, 222, .14);
  --shadow: 0 1px 2px rgba(20, 30, 60, .06), 0 4px 16px rgba(20, 30, 60, .06);
  --shadow-lg: 0 2px 6px rgba(20, 30, 60, .06), 0 18px 48px rgba(20, 30, 60, .14);
  --radius: 12px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1219;
    --surface: #171c26;
    --surface-2: #202634;
    --border: #2c3344;
    --text: #e9ecf3;
    --muted: #9aa3b8;
    --accent: #5b92f0;
    --accent-hover: #7aa8f5;
    --accent-soft: #1f2d48;
    --success: #4cc387;
    --success-soft: #1a3027;
    --danger: #f06b6b;
    --danger-soft: #3b2224;
    --warning: #e6b45c;
    --warning-soft: #382e1c;
    --changed: #3a3420;
    --cat-files: #6b9ef3;
    --cat-files-soft: #1f2d48;
    --cat-pdf: #f2766d;
    --cat-pdf-soft: #3a2224;
    --grid: rgba(107, 158, 243, .07);
    --hero-glow: rgba(91, 146, 240, .16);
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 4px 16px rgba(0, 0, 0, .25);
    --shadow-lg: 0 2px 6px rgba(0, 0, 0, .3), 0 18px 48px rgba(0, 0, 0, .45);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0f1219;
  --surface: #171c26;
  --surface-2: #202634;
  --border: #2c3344;
  --text: #e9ecf3;
  --muted: #9aa3b8;
  --accent: #5b92f0;
  --accent-hover: #7aa8f5;
  --accent-soft: #1f2d48;
  --success: #4cc387;
  --success-soft: #1a3027;
  --danger: #f06b6b;
  --danger-soft: #3b2224;
  --warning: #e6b45c;
  --warning-soft: #382e1c;
  --changed: #3a3420;
  --cat-files: #6b9ef3;
  --cat-files-soft: #1f2d48;
  --cat-pdf: #f2766d;
  --cat-pdf-soft: #3a2224;
  --grid: rgba(107, 158, 243, .07);
  --hero-glow: rgba(91, 146, 240, .16);
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 4px 16px rgba(0, 0, 0, .25);
  --shadow-lg: 0 2px 6px rgba(0, 0, 0, .3), 0 18px 48px rgba(0, 0, 0, .45);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans Arabic", sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
svg { flex: none; }

/* ---------- Header ---------- */
.site-header {
  background: color-mix(in srgb, var(--surface) 85%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-header .inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--text); letter-spacing: -.01em; white-space: nowrap; }
.brand span { color: var(--accent); font-weight: 600; }
.brand:hover { text-decoration: none; }
.brand img { width: 32px; height: 32px; }
.site-header nav { margin-inline-start: auto; display: flex; gap: 4px; align-items: center; }
.site-header nav a { color: var(--muted); padding: 7px 11px; border-radius: 8px; font-weight: 500; font-size: 14px; }
.site-header nav a:hover, .site-header nav a.active { color: var(--text); background: var(--surface-2); text-decoration: none; }
.theme-btn {
  width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface); color: var(--muted); cursor: pointer; display: grid; place-items: center; padding: 0;
}
.theme-btn:hover { color: var(--text); background: var(--surface-2); }
.theme-btn svg, .trust svg, .tool-card .icon svg, .group-icon svg, .f-icon svg, .mock-chip svg, .tool-icon svg {
  fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.theme-btn svg { width: 18px; height: 18px; }
.site-header nav a.donate-btn { background: #ffe9ec; color: #c8264a; font-weight: 700; margin-inline-start: 4px; }
.site-header nav a.donate-btn:hover { background: #ffd6dd; color: #a91d3d; }
:root[data-theme="dark"] .site-header nav a.donate-btn { background: #3a1d26; color: #ff8fa6; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .site-header nav a.donate-btn { background: #3a1d26; color: #ff8fa6; } }
@media (max-width: 520px) { .brand span { display: none; } }

/* ---------- Footer ---------- */
.site-footer { margin-top: auto; border-top: 1px solid var(--border); background: var(--surface); color: var(--muted); font-size: 14px; }
.site-footer .inner {
  max-width: 1200px; margin: 0 auto; padding: 36px 16px 20px;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 24px;
}
.site-footer .f-brand p { margin: 10px 0 0; max-width: 300px; }
.site-footer .f-col { display: flex; flex-direction: column; gap: 8px; }
.site-footer h4 { margin: 0 0 4px; color: var(--text); font-size: 13px; text-transform: uppercase; letter-spacing: .06em; }
.site-footer .f-col a { color: var(--muted); }
.site-footer .f-col a:hover { color: var(--accent); }
.f-bottom { max-width: 1200px; margin: 0 auto; padding: 14px 16px 22px; border-top: 1px solid var(--border); font-size: 13px; }
@media (max-width: 720px) { .site-footer .inner { grid-template-columns: 1fr 1fr; } .site-footer .f-brand { grid-column: 1 / -1; } }

main { width: 100%; max-width: 1200px; margin: 0 auto; padding: 24px 16px 48px; min-height: calc(100vh - 60px); }

/* ---------- Home: hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(60% 70% at 85% 30%, var(--hero-glow), transparent 70%),
    linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 28px 28px,
    var(--bg);
}
.hero-inner {
  max-width: 1200px; margin: 0 auto; padding: 64px 16px 72px;
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center;
}
.eyebrow {
  display: inline-block; padding: 5px 12px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-weight: 700; font-size: 13px; letter-spacing: .02em;
}
.hero h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.06; letter-spacing: -.03em; margin: 18px 0 16px; font-weight: 800; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, var(--accent), #7b5cf0); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { color: var(--muted); font-size: 18px; max-width: 540px; margin: 0; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.hero-cta .btn:hover { text-decoration: none; }
.trust { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--muted); font-size: 14px; font-weight: 500; }
.trust li { display: flex; align-items: center; gap: 7px; }
.trust svg { width: 17px; height: 17px; color: var(--success); }

.hero-visual { position: relative; margin-bottom: 40px; }
.mock {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow-lg); overflow: hidden; font-size: 13px;
  transform: perspective(1400px) rotateY(-6deg) rotateX(3deg);
}
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--border); background: var(--surface-2); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.mock-bar i:first-child { background: #ff6159; }
.mock-bar i:nth-child(2) { background: #ffbd2e; }
.mock-bar i:nth-child(3) { background: #28c941; }
.mock-bar span { margin-inline-start: 8px; font-weight: 700; color: var(--muted); }
.mock-row { display: grid; grid-template-columns: 1fr 22px 1.4fr; gap: 6px; align-items: center; padding: 9px 14px; border-bottom: 1px solid var(--border); color: var(--muted); }
.mock-row.head { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; padding: 8px 14px; }
.mock-row b { color: var(--accent); text-align: center; }
.mock-row .new { color: var(--text); font-weight: 600; background: var(--changed); border-radius: 5px; padding: 2px 6px; justify-self: start; }
.mock-row:not(.head) { animation: rowIn .5s ease both; }
.mock-row:nth-child(3) { animation-delay: .1s; }
.mock-row:nth-child(4) { animation-delay: .25s; }
.mock-row:nth-child(5) { animation-delay: .4s; }
.mock-row:nth-child(6) { animation-delay: .55s; }
@keyframes rowIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.mock-foot { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; }
.pill.ok { background: var(--success-soft); color: var(--success); font-weight: 700; padding: 3px 10px; border-radius: 999px; font-size: 12px; }
.mock-btn { background: var(--success); color: #fff; font-weight: 700; padding: 7px 14px; border-radius: 8px; }
.mock-chip {
  position: absolute; inset-inline-start: -24px; bottom: -58px;
  display: flex; align-items: center; gap: 10px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 10px 14px;
  box-shadow: var(--shadow-lg); animation: rowIn .6s .75s ease both;
}
.mock-chip svg { width: 28px; height: 28px; color: #fff; background: #1d7a46; border-radius: 6px; padding: 4px; stroke-width: 2.4; }
.mock-chip b { display: block; font-size: 14px; }
.mock-chip small { color: var(--muted); font-size: 12px; }
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding: 44px 16px 56px; gap: 40px; }
  .mock { transform: none; }
  .mock-chip { inset-inline-start: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .mock-row, .mock-chip { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Home: tool groups ---------- */
.tool-group { margin-top: 40px; }
.group-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.group-head h2 { margin: 0; font-size: 24px; letter-spacing: -.02em; }
.group-head p { margin: 2px 0 0; color: var(--muted); }
.group-icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; }
.group-icon svg { width: 22px; height: 22px; }
.group-icon.cat-files, .tool-card.cat-files .icon { background: var(--cat-files-soft); color: var(--cat-files); }
.group-icon.cat-pdf, .tool-card.cat-pdf .icon { background: var(--cat-pdf-soft); color: var(--cat-pdf); }

.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.tool-card {
  position: relative;
  display: flex; flex-direction: column; gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
a.tool-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); text-decoration: none; }
a.tool-card.cat-files:hover { border-color: var(--cat-files); }
a.tool-card.cat-pdf:hover { border-color: var(--cat-pdf); }
.tool-card .icon { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); }
.tool-card .icon svg { width: 24px; height: 24px; }
.tool-card h3 { margin: 6px 0 0; font-size: 17px; }
.tool-card p { margin: 0; color: var(--muted); font-size: 14px; flex: 1; }
.tool-card .go { margin-top: 6px; font-size: 14px; font-weight: 700; color: var(--accent); }
.tool-card.cat-pdf .go { color: var(--cat-pdf); }
.badge {
  position: absolute; top: 16px; inset-inline-end: 16px;
  font-size: 11px; font-weight: 700; letter-spacing: .02em;
  padding: 3px 9px; border-radius: 999px;
  background: var(--warning-soft); color: var(--warning);
}

/* ---------- Home: how / features / faq / support ---------- */
.how, .faq { margin-top: 64px; }
.how h2, .faq h2 { font-size: 26px; letter-spacing: -.02em; margin: 0 0 20px; text-align: center; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.steps li { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 22px; }
.steps li span { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 800; }
.steps h3 { margin: 14px 0 6px; font-size: 17px; }
.steps p { margin: 0; color: var(--muted); font-size: 14px; }
.features { margin-top: 64px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.f-icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--success-soft); color: var(--success); }
.f-icon svg { width: 24px; height: 24px; }
.feature h3 { margin: 14px 0 6px; font-size: 17px; }
.feature p { margin: 0; color: var(--muted); font-size: 14px; }
@media (max-width: 760px) { .steps, .features { grid-template-columns: 1fr; } }
.faq { max-width: 760px; margin-left: auto; margin-right: auto; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 0 18px; margin-bottom: 10px; }
.faq summary { cursor: pointer; font-weight: 600; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 0 0 16px; color: var(--muted); }
.support {
  margin-top: 64px; padding: 32px; border-radius: 18px;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px;
  background: linear-gradient(120deg, #2f6fde, #6a4fe0); color: #fff;
}
.support h2 { margin: 0 0 6px; font-size: 24px; }
.support p { margin: 0; opacity: .9; }
.btn.donate-lg { background: #fff; color: #c8264a; border-color: #fff; }
.btn.donate-lg:hover:not(:disabled) { background: #fff3f5; text-decoration: none; }

/* ---------- Tool page heading ---------- */
.crumb { font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--accent); }
.tool-title { display: flex; align-items: center; gap: 14px; }
.tool-icon { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; }
.tool-icon svg { width: 24px; height: 24px; }
.tool-icon.cat-files { background: var(--cat-files-soft); color: var(--cat-files); }
.tool-icon.cat-pdf { background: var(--cat-pdf-soft); color: var(--cat-pdf); }

/* ---------- Generic controls ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-weight: 600; font-size: 14px;
  padding: 8px 14px; border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface); color: var(--text);
  cursor: pointer; white-space: nowrap;
}
.btn:hover:not(:disabled) { background: var(--surface-2); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover:not(:disabled) { background: var(--accent-hover); }
.btn.success { background: var(--success); border-color: var(--success); color: #fff; }
.btn.success:hover:not(:disabled) { filter: brightness(1.08); background: var(--success); }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.btn.danger:hover:not(:disabled) { background: var(--danger-soft); }
.btn.danger-solid { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.danger-solid:hover:not(:disabled) { filter: brightness(1.08); background: var(--danger); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.lg { padding: 12px 22px; font-size: 16px; border-radius: 10px; }
.btn.warn { background: var(--warning-soft); border-color: transparent; color: var(--warning); }

input[type="text"], select {
  font: inherit; font-size: 14px;
  padding: 7px 10px; border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface); color: var(--text);
  min-width: 0;
}
input[type="text"]:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }
input[type="checkbox"], input[type="radio"] { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; margin: 0; flex: none; }

.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; flex: 1 1 120px; }
/* In a vertical stack a field must not stretch in height (only side by side in a row). */
.op > .field, .card > .field, .stack > .field { flex: none; }
.field label { font-size: 12px; font-weight: 600; color: var(--muted); }

/* ---------- Rename tool ---------- */
.tool-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.tool-head h1 { margin: 0; font-size: 26px; }
.tool-head p { margin: 4px 0 0; color: var(--muted); }

.notice {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 12px 14px; border-radius: 10px; margin-bottom: 16px;
  background: var(--warning-soft); color: var(--text); font-size: 14px;
}
.notice svg { flex: none; color: var(--warning); margin-top: 2px; }

.dropzone {
  background: var(--surface);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 16px;
  text-align: center;
}
.dropzone h2 { margin: 12px 0 6px; font-size: 22px; }
.dropzone p { color: var(--muted); margin: 0 0 20px; }
.dropzone .icon { color: var(--accent); }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--border); }
.folder-name { display: flex; align-items: center; gap: 8px; font-weight: 600; min-width: 0; }
.folder-name span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.toolbar .spacer { flex: 1; }

.ops { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; padding: 14px; border-bottom: 1px solid var(--border); }
.op {
  border: 1px solid var(--border); border-radius: 10px; padding: 12px;
  background: var(--surface-2);
  display: flex; flex-direction: column; gap: 10px;
}
.op h3 { margin: 0; font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.op .row { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; }
.op .row .btn { flex: none; }
.op .check { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }

.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 12px 14px; border-bottom: 1px solid var(--border); }
.actions .spacer { flex: 1; }

.status { display: flex; flex-wrap: wrap; gap: 6px 16px; padding: 10px 14px; font-size: 13px; color: var(--muted); border-bottom: 1px solid var(--border); }
.status b { color: var(--text); }
.status .pending b { color: var(--warning); }
.status .errors b { color: var(--danger); }
.chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 1px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent);
  font-size: 12px; font-weight: 600; border: 0; cursor: pointer; font-family: inherit;
}

.table-wrap { overflow: auto; max-height: 62vh; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
  position: sticky; top: 0; z-index: 1;
  background: var(--surface); text-align: start; font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .04em; color: var(--muted);
  padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; text-align: start;
}
tbody td { padding: 7px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:hover td { background: var(--surface-2); }
tbody tr.checked td { background: var(--accent-soft); }
tbody tr.changed td.name { background: var(--changed); }
tbody tr.error td.name { background: var(--danger-soft); }
td.sel, th.sel { width: 40px; text-align: center; }
td.name { min-width: 220px; cursor: text; word-break: break-all; }
td.name .err { display: block; color: var(--danger); font-size: 12px; }
td.ext { color: var(--muted); white-space: nowrap; }
td.orig { color: var(--muted); word-break: break-all; }
td.folder { color: var(--muted); font-size: 13px; word-break: break-all; }
td.name input { width: 100%; }
.edit-btn { border: 0; background: transparent; color: var(--muted); cursor: pointer; padding: 2px 4px; border-radius: 4px; vertical-align: middle; }
.edit-btn:hover { color: var(--accent); background: var(--surface); }
.empty { padding: 40px 16px; text-align: center; color: var(--muted); }
.more { padding: 12px; text-align: center; }

/* ---------- Popover / dialog / toast ---------- */
.popover-wrap { position: relative; }
.popover {
  position: absolute; top: calc(100% + 6px); inset-inline-start: 0; z-index: 30;
  width: 240px; max-height: 320px; overflow: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: var(--shadow); padding: 6px;
}
.popover label { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 6px; cursor: pointer; font-size: 14px; }
.popover label:hover { background: var(--surface-2); }
.popover label .count { margin-inline-start: auto; color: var(--muted); font-size: 12px; }
.popover hr { border: 0; border-top: 1px solid var(--border); margin: 4px 0; }

dialog {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); color: var(--text);
  padding: 0; width: min(560px, calc(100vw - 32px));
  box-shadow: 0 20px 60px rgba(0, 0, 0, .3);
}
dialog::backdrop { background: rgba(10, 15, 30, .45); }
dialog .d-head { padding: 16px 18px 0; }
dialog .d-head h2 { margin: 0; font-size: 18px; }
dialog .d-body { padding: 12px 18px; color: var(--muted); max-height: 60vh; overflow: auto; }
dialog .d-body p { margin: 0 0 10px; }
dialog .d-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 18px 16px; }
.preview-list { list-style: none; margin: 0; padding: 0; font-size: 13px; }
.preview-list li { padding: 5px 0; border-bottom: 1px solid var(--border); color: var(--text); word-break: break-all; }
.preview-list li .arrow { color: var(--muted); margin: 0 6px; }
.preview-list li .from { color: var(--muted); }
.folder-tree label { display: flex; align-items: center; gap: 8px; padding: 4px 0; color: var(--text); cursor: pointer; }

.toasts { position: fixed; bottom: 16px; right: 16px; left: 16px; display: flex; flex-direction: column; align-items: flex-end; gap: 8px; z-index: 50; pointer-events: none; }
.toast {
  pointer-events: auto; max-width: 420px;
  background: var(--text); color: var(--bg);
  padding: 10px 14px; border-radius: 10px; font-size: 14px; box-shadow: var(--shadow);
}
.toast.error { background: var(--danger); color: #fff; }
.toast.success { background: var(--success); color: #fff; }

.progress { display: flex; align-items: center; gap: 10px; padding: 24px; justify-content: center; color: var(--muted); }
.spinner { width: 18px; height: 18px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

[hidden] { display: none !important; }

@media (max-width: 640px) {
  .site-header nav a.hide-sm { display: none; }
  td.orig, th.orig { display: none; }
  .ops { grid-template-columns: 1fr; }
  .table-wrap { max-height: none; }
}

/* ---------- PDF file lists ---------- */
.dropzone.dragover { border-color: var(--accent); background: var(--accent-soft); }
.dropzone .btn-row { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.file-list { list-style: none; margin: 0; padding: 8px 14px 14px; display: flex; flex-direction: column; gap: 6px; }
.file-list li {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface);
}
.file-list li.dragging { opacity: .4; }
.file-list li.drop-before { box-shadow: 0 -3px 0 var(--accent); }
.file-list .grip { cursor: grab; color: var(--muted); user-select: none; padding: 0 2px; }
.file-list .idx { color: var(--muted); font-size: 13px; width: 22px; text-align: end; flex: none; }
.file-list .fname { flex: 1; min-width: 0; word-break: break-all; }
.file-list .meta { color: var(--muted); font-size: 13px; white-space: nowrap; }
.file-list .err { color: var(--danger); font-size: 13px; }
.icon-btn { border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 6px; width: 30px; height: 30px; cursor: pointer; flex: none; font-size: 14px; }
.icon-btn:hover:not(:disabled) { background: var(--surface-2); }
.icon-btn:disabled { opacity: .35; cursor: not-allowed; }
.icon-btn.danger:hover { color: var(--danger); border-color: var(--danger); }
.hint { color: var(--muted); font-size: 13px; margin: 0; }
.log { font: 13px/1.5 ui-monospace, Consolas, monospace; background: var(--surface-2); border-radius: 8px; padding: 10px; max-height: 240px; overflow: auto; white-space: pre-wrap; margin: 0; }
.log .bad { color: var(--danger); }
.log .good { color: var(--success); }
progress { width: 100%; height: 8px; accent-color: var(--accent); }

/* ---------- PDF viewer & two-column tools ---------- */
.two-col { display: grid; grid-template-columns: minmax(300px, 380px) 1fr; gap: 16px; align-items: start; }
.two-col .side { display: flex; flex-direction: column; gap: 12px; }
.two-col .side .op { background: var(--surface); }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }
.pdfview { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; position: sticky; top: 72px; }
.pv-bar { display: flex; align-items: center; gap: 6px; padding: 8px 10px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.pv-zoom { min-width: 48px; text-align: center; font-size: 13px; color: var(--muted); }
.pv-hint { color: var(--accent); font-size: 13px; font-weight: 600; margin-inline-start: 6px; }
.pv-scroll { position: relative; height: calc(100vh - 160px); min-height: 360px; overflow: auto; background: var(--surface-2); padding: 12px; }
.pv-stage { position: relative; margin: 0 auto; background: #fff; box-shadow: var(--shadow); cursor: grab; touch-action: none; }
.pv-stage.drawing { cursor: crosshair; }
.pv-stage canvas { width: 100%; height: 100%; display: block; }
.pv-layer { position: absolute; inset: 0; }
.pv-rect { position: absolute; border: 2px solid #e5484d; background: rgba(229, 72, 77, .08); pointer-events: none; }
.pv-rect.active { border-color: #2f6fde; background: rgba(47, 111, 222, .12); border-style: dashed; }
.pv-rect span { position: absolute; top: -2px; left: -2px; transform: translateY(-100%); background: #e5484d; color: #fff; font-size: 11px; font-weight: 700; padding: 0 5px; border-radius: 3px 3px 0 0; }
.pv-empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); }
.rect-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.rect-list li { display: flex; align-items: center; gap: 6px; }
.rect-list .num { background: #e5484d; color: #fff; border-radius: 4px; font-size: 12px; font-weight: 700; padding: 2px 6px; flex: none; }
.rect-list input { flex: 1; }
.pdf-files { list-style: none; margin: 0; padding: 0; max-height: 220px; overflow: auto; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }
.pdf-files li { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-bottom: 1px solid var(--border); font-size: 13px; cursor: pointer; }
.pdf-files li:last-child { border-bottom: 0; }
.pdf-files li:hover { background: var(--surface-2); }
.pdf-files li.viewing { background: var(--accent-soft); }
.pdf-files li .fname { flex: 1; min-width: 0; word-break: break-all; }
.pdf-files li .st { font-size: 12px; color: var(--muted); white-space: nowrap; }
.pdf-files li .st.ok { color: var(--success); }
.pdf-files li .st.bad { color: var(--danger); }
.results-table td[contenteditable] { cursor: text; }
.results-table td[contenteditable]:focus { outline: 2px solid var(--accent); outline-offset: -2px; }
.results-table td.ocr::after { content: 'OCR'; margin-inline-start: 6px; font-size: 10px; font-weight: 700; color: var(--warning); }
.results-table td.empty-cell { background: var(--danger-soft); }
.results-table td.nomatch { color: var(--danger); font-weight: 700; }
.op .row.tight { gap: 6px; }
.op .row.tight .field { flex: 1 1 80px; }

/* ---------- Rename from Title Block ---------- */
.ext-tail { color: var(--muted); }
td.note { font-size: 13px; color: var(--muted); white-space: nowrap; }
td.note.bad { color: var(--danger); }
td.note.warn { color: var(--warning); }
.tag { display: inline-block; font-size: 10px; font-weight: 700; color: var(--warning); background: var(--warning-soft); border-radius: 4px; padding: 1px 5px; margin-inline-end: 6px; }
.more-opts summary { cursor: pointer; color: var(--accent); font-size: 13px; font-weight: 600; padding: 4px 0; }
.more-opts[open] summary { margin-bottom: 8px; }
.more-opts .row { margin-bottom: 8px; }
tbody tr.changed td.name { background: var(--changed); }
.badge.new-badge { background: var(--success-soft); color: var(--success); }

/* ---------- Arabic / right-to-left ---------- */
.lang-btn { width: auto; min-width: 44px; padding: 0 10px; font: 700 14px "IBM Plex Sans Arabic", "Inter", system-ui, sans-serif; }
[dir="rtl"] body { font-family: "IBM Plex Sans Arabic", "Inter", system-ui, "Segoe UI", Tahoma, sans-serif; }
[dir="rtl"] h1, [dir="rtl"] h2, [dir="rtl"] h3, [dir="rtl"] .hero h1, [dir="rtl"] .group-head h2 { letter-spacing: 0; }
[dir="rtl"] .hero h1 { line-height: 1.25; }
[dir="rtl"] .mock { transform: perspective(1400px) rotateY(6deg) rotateX(3deg); }
[dir="rtl"] .mock-row b { display: inline-block; transform: scaleX(-1); }
@media (max-width: 900px) { [dir="rtl"] .mock { transform: none; } }
[dir="rtl"] .hero { background-position: 0 0, 0 0, 0 0, 0 0; }
.pdfview .pv-scroll { direction: ltr; }
td.name, td.orig, td.folder, .fname, .preview-list li, .log span, .folder-name span, #fileLabel, .mock-row span, .rect-list input, #pattern { unicode-bidi: plaintext; }
[dir="rtl"] .brand { direction: ltr; }

/* ---------- Step-by-step tools ---------- */
.stepper { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 4px 0 18px; }
.stepper .step > span:last-child { min-width: 0; }
.stepper .step {
  display: flex; align-items: center; gap: 12px; text-align: start;
  padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font: inherit; cursor: pointer;
}
.stepper .step .n { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; flex: none; font-weight: 800; background: var(--surface-2); color: var(--muted); }
.stepper .step b { display: block; font-size: 15px; }
.stepper .step small { display: block; color: var(--muted); font-size: 12px; }
.stepper .step.active { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.stepper .step.active .n { background: var(--accent); color: #fff; }
.stepper .step.done .n { background: var(--success); color: #fff; }
@media (max-width: 700px) { .stepper .step small { display: none; } .stepper .step { padding: 8px; gap: 6px; } .stepper .step b { font-size: 13px; line-height: 1.2; } .stepper .step .n { width: 24px; height: 24px; font-size: 13px; } }

.step-panel[hidden] { display: none !important; }
.step-foot { display: flex; align-items: center; gap: 10px; margin-top: 16px; }
.step-foot .spacer { flex: 1; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.card h2 { margin: 0; font-size: 18px; }
.card .hint { margin: 0; }
.howto { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: 10px; background: var(--accent-soft); color: var(--text); font-size: 14px; }
.howto b { color: var(--accent); }
.howto .big { font-size: 20px; line-height: 1; }
.work { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 16px; align-items: start; }
.work .side { display: flex; flex-direction: column; gap: 12px; position: sticky; top: 72px; }
@media (max-width: 900px) { .work { grid-template-columns: minmax(0, 1fr); } .work .side { position: static; } .work .pv-scroll { height: 60vh; } }
.work > *, .two-equal > * { min-width: 0; }
.work .pdfview { position: static; }
.work .pv-scroll { height: calc(100vh - 210px); min-height: 320px; }
.files-big { max-height: 340px; }
.files-big li { padding: 9px 10px; font-size: 14px; }
.count-line { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.count-line .num { background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 2px 10px; }
details.more { border: 1px solid var(--border); border-radius: 10px; padding: 0 12px; background: var(--surface); }
details.more > summary { cursor: pointer; padding: 10px 0; font-weight: 600; color: var(--muted); }
details.more[open] > summary { color: var(--text); }
details.more > .stack { display: flex; flex-direction: column; gap: 10px; padding-bottom: 12px; }
.match-box { display: flex; align-items: center; gap: 8px; }
.match-box .field { flex: 1; }
.match-box .arrow { font-size: 20px; color: var(--muted); padding-top: 18px; }
[dir="rtl"] .match-box .arrow { transform: scaleX(-1); }
.found { font-size: 14px; padding: 10px 12px; border-radius: 8px; background: var(--surface-2); }
.found.ok { background: var(--success-soft); color: var(--success); }
.found.bad { background: var(--danger-soft); color: var(--danger); }
.choice { display: flex; gap: 10px; align-items: flex-start; padding: 12px; border: 1px solid var(--border); border-radius: 10px; cursor: pointer; }
.choice:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.choice input { margin-top: 2px; }
.choice b { display: block; }
.choice small { color: var(--muted); }
.choice.disabled { opacity: .5; cursor: not-allowed; }
.preview-name { font-size: 15px; padding: 10px 12px; border-radius: 8px; background: var(--changed); unicode-bidi: plaintext; word-break: break-all; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips .chip { padding: 4px 10px; font-size: 13px; }
.result-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 14px; border-bottom: 1px solid var(--border); }
.result-bar .spacer { flex: 1; }
.pv-tip { color: var(--muted); font-size: 13px; margin-inline-start: auto; }
.two-equal { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; margin-top: 16px; }
@media (max-width: 800px) { .two-equal { grid-template-columns: 1fr; } }
@media (max-width: 420px) {
  .site-header .inner { gap: 8px; padding: 8px 12px; }
  .brand { font-size: 16px; gap: 6px; }
  .site-header nav { gap: 4px; }
  .site-header nav a.donate-btn { padding: 7px 8px; }
  .theme-btn { width: 32px; height: 32px; }
  .lang-btn { min-width: 38px; padding: 0 6px; }
}
td.cur-name { color: var(--muted); word-break: break-all; unicode-bidi: plaintext; }

/* ---------- Review tools (Comment Sheet, Pre-flight) ---------- */
:root { --cat-qa: #12805c; --cat-qa-soft: #def3ea; }
:root[data-theme="dark"] { --cat-qa: #4cc79a; --cat-qa-soft: #183328; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --cat-qa: #4cc79a; --cat-qa-soft: #183328; } }
.group-icon.cat-qa, .tool-card.cat-qa .icon, .tool-icon.cat-qa { background: var(--cat-qa-soft); color: var(--cat-qa); }
a.tool-card.cat-qa:hover { border-color: var(--cat-qa); }
.tool-card.cat-qa .go { color: var(--cat-qa); }
.comments-table td.comment { min-width: 260px; white-space: pre-wrap; }
.comments-table td.sheet { min-width: 140px; unicode-bidi: plaintext; }
.comments-table td.snap img { display: block; max-width: 240px; max-height: 150px; border: 1px solid var(--border); border-radius: 6px; background: #fff; }
tr.off td { opacity: .45; }
.verdict { margin: 0; font-size: 20px; }
.verdict.ok { color: var(--success); }
.verdict.bad { color: var(--danger); }
.checks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.checks li { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; background: var(--surface-2); font-size: 14px; }
.checks li .mark { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; flex: none; font-weight: 800; font-size: 13px; color: #fff; }
.checks li.ok .mark { background: var(--success); }
.checks li.bad { background: var(--danger-soft); }
.checks li.bad .mark { background: var(--danger); }
.checks li.warn { background: var(--warning-soft); }
.checks li.warn .mark { background: var(--warning); }
.checks li.info .mark { background: var(--accent); }
tr.has-problem td { background: var(--danger-soft); }
.ok-mark { color: var(--success); font-weight: 800; }

/* ---------- Feedback button + form (assets/backend.js) ---------- */
.fb-open {
  position: fixed; inset-inline-end: 18px; bottom: 18px; z-index: 900;
  font: inherit; font-weight: 600; font-size: 14px;
  padding: 10px 16px; border-radius: 999px; border: 1px solid var(--accent);
  background: var(--accent); color: #fff; cursor: pointer; box-shadow: var(--shadow-lg);
}
.fb-open:hover { background: var(--accent-hover); }
.fb-overlay {
  position: fixed; inset: 0; z-index: 1000; background: rgba(10, 14, 25, .45);
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.fb-overlay[hidden] { display: none; }
.fb-panel {
  width: min(460px, 100%); max-height: calc(100vh - 32px); overflow: auto;
  background: var(--surface); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 22px;
  display: flex; flex-direction: column; gap: 6px;
}
.fb-panel h3 { margin: 0; font-size: 19px; }
.fb-panel .fb-lead { margin: 0 0 8px; color: var(--muted); font-size: 14px; }
.fb-panel label { font-size: 13px; font-weight: 600; margin-top: 6px; }
.fb-panel select, .fb-panel textarea, .fb-panel input {
  font: inherit; font-size: 14px; padding: 8px 10px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text); width: 100%;
}
.fb-panel > * { flex-shrink: 0; }
.fb-panel textarea { resize: vertical; min-height: 110px; }
.fb-panel .fb-trap { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.fb-panel .fb-privacy { margin: 6px 0 0; font-size: 12px; color: var(--muted); }
.fb-panel .fb-note { margin: 4px 0 0; font-size: 13px; color: var(--danger); min-height: 1em; }
.fb-panel .fb-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 10px; }
@media print { .fb-open, .fb-overlay { display: none !important; } }


/* "Your files never leave your computer" */
.privacy-badge { display: inline-flex; align-items: center; gap: 6px; margin: 8px 0 0; padding: 4px 10px;
  border-radius: 999px; background: var(--success-soft); color: var(--success); font-size: 13px; font-weight: 600; }
.privacy-badge svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- "Why this instead of AI chats or upload sites" (home) ---------- */
.why { margin: 56px 0; }
.why-head { text-align: center; margin-bottom: 22px; }
.why-head h2 { font-size: 30px; letter-spacing: -.02em; margin: 8px 0 0; }
.why-flow { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.lane { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); padding: 14px 18px 18px; }
.lane-ours { border-color: var(--success); box-shadow: 0 0 0 1px var(--success) inset; }
.lane-art { width: 100%; height: auto; display: block; overflow: visible; }
.lane-art * { fill: none; stroke: var(--muted); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.lane-art .pc-icon rect { fill: var(--surface-2); }
.lane-art .wire { stroke-dasharray: 6 8; animation: why-dash 1s linear infinite; }
.lane-art .doc rect { fill: var(--surface); stroke: var(--accent); }
.lane-art .doc path { stroke: var(--accent); stroke-width: 2; }
.lane-art .doc.travel { animation: why-travel 3.2s ease-in-out infinite; }
.lane-art .doc.stored rect { stroke: var(--danger); fill: var(--danger-soft); }
.lane-art .doc.stored { animation: why-stored 3.2s ease-in-out infinite; }
.lane-art .cloud path { fill: var(--surface-2); }
.lane-art .eye path, .lane-art .eye circle { stroke: var(--danger); }
.lane-art .eye { transform-box: fill-box; transform-origin: center; animation: why-blink 3.2s ease-in-out infinite; }
.lane-art .cloud.off { opacity: .35; }
.lane-art .cloud.off .strike { stroke: var(--danger); stroke-width: 4; }
.lane-art .doc.spin { transform: translate(55px, 58px); animation: why-bob 2.4s ease-in-out infinite; }
.lane-art .shield path { stroke: var(--success); fill: var(--success-soft); }
.lane-art .shield .tick { fill: none; stroke-width: 4; stroke-dasharray: 40; animation: why-tick 2.4s ease-in-out infinite; }
.lane-art .shield { transform-box: fill-box; transform-origin: center; animation: why-pulse 2.4s ease-in-out infinite; }
.lane-text { display: flex; flex-direction: column; gap: 4px; margin-top: 6px; }
.lane-text b { font-size: 17px; }
.lane-text b.bad { color: var(--danger); }
.lane-text b.good { color: var(--success); }
.lane-text span { color: var(--muted); font-size: 14px; }

.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 16px; }
.why-card { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); padding: 16px 18px 18px; }
.why-card h3 { margin: 12px 0 4px; font-size: 16px; }
.why-card p { margin: 0; color: var(--muted); font-size: 14px; }
.why-art { height: 96px; border-radius: 10px; background: var(--surface-2); position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center; }

.art-volume { direction: ltr; }
.art-volume .pile { display: grid; grid-template-columns: repeat(6, 9px); gap: 4px; margin-right: 18px; }
.art-volume .pile i { width: 9px; height: 12px; border-radius: 2px; background: var(--accent); opacity: .85; animation: why-file 2.8s ease-in infinite; }
.art-volume .pile i:nth-child(6n+2) { animation-delay: .1s; }
.art-volume .pile i:nth-child(6n+3) { animation-delay: .2s; }
.art-volume .pile i:nth-child(6n+4) { animation-delay: .3s; }
.art-volume .pile i:nth-child(6n+5) { animation-delay: .4s; }
.art-volume .pile i:nth-child(6n) { animation-delay: .5s; }
.art-volume .folder { width: 56px; }
.art-volume .folder path { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 2.5; }

.art-accuracy { flex-direction: column; gap: 8px; }
.art-accuracy .tblock { position: relative; display: flex; gap: 10px; align-items: baseline; border: 2px solid var(--text);
  padding: 4px 10px; background: var(--surface); font-family: ui-monospace, Consolas, monospace; overflow: hidden; direction: ltr; }
.art-accuracy .lbl { font-size: 10px; color: var(--muted); }
.art-accuracy .val { font-weight: 700; font-size: 16px; }
.art-accuracy .scan { position: absolute; top: 0; bottom: 0; width: 3px; background: var(--accent); left: 0; animation: why-scan 2.6s ease-in-out infinite; }
.art-accuracy .reads { display: flex; gap: 8px; font-size: 13px; font-weight: 700; direction: ltr; }
.art-accuracy .guess { color: var(--danger); background: var(--danger-soft); padding: 2px 8px; border-radius: 999px; }
.art-accuracy .exact { color: var(--success); background: var(--success-soft); padding: 2px 8px; border-radius: 999px; animation: why-pop 2.6s ease-in-out infinite; }

.art-steps { direction: ltr; }
.art-steps .st { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-weight: 700;
  border: 2px solid var(--border); background: var(--surface); color: var(--muted); animation: why-step 3s infinite; }
.art-steps .s2 { animation-delay: .6s; }
.art-steps .s3 { animation-delay: 1.2s; }
.art-steps .ln { width: 30px; height: 2px; background: var(--border); }

.art-rename { flex-direction: column; align-items: stretch; gap: 5px; padding: 0 12px; font-size: 12px; direction: ltr; }
.art-rename .row { position: relative; height: 22px; background: var(--surface); border-radius: 5px; border: 1px solid var(--border); overflow: hidden; }
.art-rename .row span { position: absolute; inset: 0; padding: 3px 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.art-rename .old { color: var(--muted); animation: why-old 4s infinite; }
.art-rename .new { color: var(--success); font-weight: 600; opacity: 0; animation: why-new 4s infinite; }
.art-rename .row:nth-child(2) span { animation-delay: .3s; }
.art-rename .row:nth-child(3) span { animation-delay: .6s; }

@keyframes why-dash { to { stroke-dashoffset: -14; } }
@keyframes why-travel { 0% { transform: translate(55px, 58px); opacity: 0; } 10% { opacity: 1; }
  60% { transform: translate(395px, 50px); opacity: 1; } 70%, 100% { transform: translate(395px, 50px); opacity: 0; } }
@keyframes why-stored { 0%, 60% { opacity: 0; } 70%, 92% { opacity: 1; } 100% { opacity: 0; } }
@keyframes why-blink { 0%, 62% { opacity: 0; transform: scale(.6); } 72%, 92% { opacity: 1; transform: scale(1); } 100% { opacity: 0; } }
@keyframes why-bob { 0%, 100% { transform: translate(55px, 58px); } 50% { transform: translate(55px, 52px); } }
@keyframes why-pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.06); } }
@keyframes why-tick { 0%, 20% { stroke-dashoffset: 40; } 50%, 100% { stroke-dashoffset: 0; } }
@keyframes why-file { 0% { transform: translateX(0); opacity: 0; } 15% { opacity: .9; } 70% { transform: translateX(0); opacity: .9; } 100% { transform: translateX(70px); opacity: 0; } }
@keyframes why-scan { 0% { left: 0; } 50% { left: calc(100% - 3px); } 100% { left: 0; } }
@keyframes why-pop { 0%, 40% { transform: scale(1); } 50% { transform: scale(1.12); } 60%, 100% { transform: scale(1); } }
@keyframes why-step { 0%, 15% { background: var(--surface); color: var(--muted); border-color: var(--border); }
  25%, 85% { background: var(--accent); color: #fff; border-color: var(--accent); }
  100% { background: var(--surface); color: var(--muted); border-color: var(--border); } }
@keyframes why-old { 0%, 35% { opacity: 1; transform: none; } 45%, 90% { opacity: 0; transform: translateY(-8px); } 100% { opacity: 1; transform: none; } }
@keyframes why-new { 0%, 35% { opacity: 0; transform: translateY(8px); } 45%, 90% { opacity: 1; transform: none; } 100% { opacity: 0; } }

@media (max-width: 980px) { .why-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 760px) { .why-flow, .why-grid { grid-template-columns: 1fr; } .why-head h2 { font-size: 24px; } }
@media (prefers-reduced-motion: reduce) {
  .why * { animation: none !important; }
  .lane-art .doc.travel { transform: translate(395px, 50px); }
  .art-rename .old { opacity: 0; }
  .art-rename .new { opacity: 1; }
}

/* ================= Home page layout (redesign) ================= */
.section-head { text-align: center; margin-bottom: 28px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); letter-spacing: -.025em; margin: 12px 0 0; font-weight: 800; line-height: 1.15; }
.eyebrow { display: inline-flex; align-items: center; gap: 6px; }
.eyebrow svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.eyebrow.light { background: rgba(255, 255, 255, .16); color: #fff; }

/* hero */
.hero { border-bottom: 0; }
.hero-inner { padding: 76px 16px 96px; }
.hero h1 { font-size: clamp(36px, 5.2vw, 60px); line-height: 1.08; }
[dir="rtl"] .hero h1 { line-height: 1.3; letter-spacing: 0; }
.hero h1 em { background: linear-gradient(90deg, var(--success), var(--accent) 55%, #7b5cf0); -webkit-background-clip: text; background-clip: text; }
.hero .lead { font-size: 18px; max-width: 560px; }
.proof { list-style: none; padding: 0; margin: 34px 0 0; display: grid; grid-template-columns: repeat(4, auto);
  width: fit-content; max-width: 100%; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); box-shadow: var(--shadow); }
.proof li { display: flex; flex-direction: column; padding: 12px 18px; border-inline-start: 1px solid var(--border); }
.proof li:first-child { border-inline-start: 0; }
.proof b { font-size: 20px; font-weight: 800; line-height: 1.2; }
.proof li:first-child b { color: var(--success); }
.proof span { font-size: 12px; color: var(--muted); white-space: nowrap; }
.mock-chip.safe { inset-inline-start: auto; inset-inline-end: -18px; bottom: auto; top: -30px; border-color: var(--success); animation: rowIn .6s .9s ease both; }
.mock-chip .safe-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--success); color: #fff; display: grid; place-items: center; animation: safe-pulse 2.4s ease-in-out infinite; }
.mock-chip .safe-icon svg { width: 20px; height: 20px; background: none; padding: 0; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
@keyframes safe-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(25, 135, 84, .45); } 50% { box-shadow: 0 0 0 10px rgba(25, 135, 84, 0); } }
@media (max-width: 900px) {
  .hero-inner { padding: 48px 16px 64px; }
  .mock-chip.safe { inset-inline-end: 12px; top: -26px; }
}
@media (max-width: 560px) {
  .proof { grid-template-columns: 1fr 1fr; width: 100%; }
  .proof li:nth-child(3) { border-inline-start: 0; }
  .proof li:nth-child(n+3) { border-top: 1px solid var(--border); }
  .hero-cta .btn { width: 100%; }
}

/* why band: full width, right under the hero */
.why { margin: 0; padding: 72px 16px 80px; background: var(--surface); border-block: 1px solid var(--border); }
.why-inner { max-width: 1200px; margin: 0 auto; }
.why-flow { grid-template-columns: 1fr auto 1fr; align-items: center; gap: 18px; }
.vs { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: 14px;
  background: var(--text); color: var(--surface); box-shadow: var(--shadow-lg); }
.lane { position: relative; background: var(--bg); border-radius: 18px; padding: 18px 22px 22px; }
.lane-ours { background: linear-gradient(180deg, var(--success-soft), var(--bg) 75%); }
.lane-tag { position: absolute; top: 16px; inset-inline-end: 16px; width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 800; color: #fff; font-size: 15px; }
.lane-tag.bad { background: var(--danger); }
.lane-tag.good { background: var(--success); }
.why-card { background: var(--bg); border-radius: 16px; transition: transform .2s ease, box-shadow .2s ease; }
.why-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.why-card .why-art { background: var(--surface); }
@media (max-width: 760px) {
  .why { padding: 52px 16px 56px; }
  .why-flow { grid-template-columns: 1fr; }
  .vs { margin: -8px auto; position: relative; z-index: 1; }
}

/* tools */
main#tools { padding-top: 72px; }
.filter { display: inline-flex; flex-wrap: wrap; justify-content: center; gap: 4px; padding: 5px; margin-top: 22px;
  border-radius: 999px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); }
.filter button { font: inherit; font-weight: 600; font-size: 14px; border: 0; background: transparent; color: var(--muted);
  padding: 8px 18px; border-radius: 999px; cursor: pointer; transition: background .15s, color .15s; }
.filter button:hover { color: var(--text); }
.filter button.on { background: var(--accent); color: #fff; }
.tool-group { margin-top: 36px; }
.tool-group[hidden] { display: none; }
.tool-card { border-radius: 16px; overflow: hidden; }
.tool-card::before { content: ''; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--cat-files); opacity: 0; transition: opacity .18s ease; }
.tool-card.cat-pdf::before { background: var(--cat-pdf); }
.tool-card.cat-qa::before { background: var(--cat-qa); }
a.tool-card:hover::before { opacity: 1; }
a.tool-card.cat-qa:hover { border-color: var(--cat-qa); }
.tool-card.cat-qa .go { color: var(--cat-qa); }
.tool-card.featured { background: linear-gradient(160deg, var(--cat-pdf-soft), var(--surface) 60%); border-color: var(--cat-pdf); }
.tool-card .go { transition: transform .18s ease; display: inline-block; }
a.tool-card:hover .go { transform: translateX(4px); }
[dir="rtl"] a.tool-card:hover .go { transform: translateX(-4px); }

/* how it works: connected steps */
.how { margin-top: 96px; }
.steps { position: relative; }
.steps::before { content: ''; position: absolute; top: 44px; left: 17%; right: 17%; height: 2px;
  background: linear-gradient(90deg, var(--accent), #7b5cf0); opacity: .35; }
.steps li { position: relative; text-align: center; border-radius: 16px; padding: 22px 22px 24px; }
.steps li span { margin: 0 auto; width: 46px; height: 46px; font-size: 18px; background: linear-gradient(135deg, var(--accent), #7b5cf0); box-shadow: 0 6px 16px rgba(47, 111, 222, .35); }
@media (max-width: 760px) { .steps::before { display: none; } }

/* office + donate */
.cta-pair { display: grid; grid-template-columns: 1.25fr 1fr; gap: 16px; margin-top: 96px; }
.cta-pair .office, .cta-pair .support { margin: 0; border: 0; border-radius: 20px; padding: 32px; color: #fff;
  display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-start; flex-wrap: nowrap; gap: 10px; }
.cta-pair .office { background: radial-gradient(130% 150% at 0% 0%, #2f6fde 0%, #1c2b5a 70%); }
.cta-pair .support { background: linear-gradient(135deg, #e0483e, #a8336f); }
.cta-pair h2 { margin: 4px 0 0; font-size: 24px; letter-spacing: -.02em; color: #fff; }
.cta-pair p { margin: 0 0 10px; opacity: .9; color: #fff; max-width: 520px; }
.cta-pair .btn { margin-top: auto; }
.btn.light-btn { background: #fff; color: #1c2b5a; border-color: #fff; }
.btn.light-btn:hover:not(:disabled) { background: #eef3ff; text-decoration: none; }
@media (max-width: 760px) { .cta-pair { grid-template-columns: 1fr; } }

/* questions */
.faq { max-width: none; display: grid; grid-template-columns: 1fr 2fr; gap: 32px; margin-top: 96px; align-items: start; }
.faq h2 { text-align: start; margin: 0 0 8px; font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; }
.faq-side p { margin: 0; color: var(--muted); }
@media (max-width: 760px) { .faq { grid-template-columns: 1fr; gap: 16px; } }

/* tool grid: 3 columns, featured card spans 2 */
.tool-grid { grid-template-columns: repeat(3, 1fr); }
.tool-card.featured { grid-column: span 2; }
.feat-demo { display: grid; gap: 6px; margin: 6px 0 2px; font-size: 13px; direction: ltr; }
.feat-demo div { display: grid; grid-template-columns: auto 18px 1fr; gap: 6px; align-items: center;
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; }
.feat-demo span { color: var(--muted); white-space: nowrap; }
.feat-demo b { color: var(--cat-pdf); text-align: center; }
.feat-demo .new { color: var(--text); font-weight: 600; overflow: hidden; text-overflow: ellipsis; }
.tool-card.request { border: 2px dashed var(--border); background: transparent; box-shadow: none; }
.tool-card.request .icon { background: var(--surface-2); color: var(--muted); }
a.tool-card.request:hover { border-color: var(--accent); }
a.tool-card.request:hover .icon { background: var(--accent-soft); color: var(--accent); }
.tool-card.request::before { display: none; }
.why-inner { max-width: 1168px; }
@media (max-width: 980px) { .tool-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .tool-grid { grid-template-columns: 1fr; } .tool-card.featured { grid-column: auto; } }
.mock-chip strong { display: block; font-size: 14px; }