/* ============================================================
   PDF Compare Studio — interface styles
   Palette: Tailwind (sky / indigo / violet / emerald / rose / amber / slate)
   ============================================================ */

:root{
  /* Tailwind slate */
  --bg:#f1f5f9;
  --surface:#ffffff;
  --surface-2:#f8fafc;
  --surface-3:#f1f5f9;
  --border:#e2e8f0;
  --border-strong:#cbd5e1;
  --text:#0f172a;
  --text-2:#334155;
  --muted:#64748b;
  /* accents */
  --accent:#0ea5e9;        /* sky-500  */
  --accent-2:#6366f1;      /* indigo-500 */
  --accent-3:#8b5cf6;      /* violet-500 */
  --accent-soft:#e0f2fe;   /* sky-100  */
  --accent-ring:rgba(14,165,233,.18);
  --add:#10b981;           /* emerald-500 */
  --add-soft:#d1fae5;      /* emerald-100 */
  --del:#f43f5e;           /* rose-500 */
  --del-soft:#ffe4e6;      /* rose-100 */
  --warn:#f59e0b;          /* amber-500 */
  --warn-soft:#fef3c7;     /* amber-100 */
  --teal:#14b8a6;          /* teal-500 */

  --shadow:0 1px 2px rgba(15,23,42,.05), 0 12px 32px -8px rgba(15,23,42,.12);
  --shadow-sm:0 1px 2px rgba(15,23,42,.07);
  --shadow-lg:0 24px 60px -20px rgba(15,23,42,.28);
  --r:12px; --r-lg:16px; --r-sm:9px;
  --sidebar-w:348px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --font-ar:'IBM Plex Sans Arabic','Segoe UI',Tahoma,sans-serif;
  --ease:cubic-bezier(.4,0,.2,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

[data-theme="dark"]{
  --bg:#020617;
  --surface:#0f172a;
  --surface-2:#131c31;
  --surface-3:#1e293b;
  --border:#1e293b;
  --border-strong:#334155;
  --text:#e2e8f0;
  --text-2:#cbd5e1;
  --muted:#94a3b8;
  --accent:#38bdf8;        /* sky-400 */
  --accent-2:#818cf8;      /* indigo-400 */
  --accent-3:#a78bfa;      /* violet-400 */
  --accent-soft:#0b2a42;
  --accent-ring:rgba(56,189,248,.22);
  --add:#34d399;           /* emerald-400 */
  --add-soft:#052e26;
  --del:#fb7185;           /* rose-400 */
  --del-soft:#3f1622;
  --warn:#fbbf24;          /* amber-400 */
  --warn-soft:#3a2a08;
  --teal:#2dd4bf;
  --shadow:0 1px 2px rgba(0,0,0,.5), 0 14px 36px -10px rgba(0,0,0,.6);
  --shadow-sm:0 1px 2px rgba(0,0,0,.5);
  --shadow-lg:0 26px 64px -22px rgba(0,0,0,.8);
}

*{box-sizing:border-box}
[hidden]{display:none !important}
html,body{height:100%}
body{
  margin:0; font-family:var(--font); color:var(--text); font-size:14px; line-height:1.5;
  -webkit-font-smoothing:antialiased;
  background:
    radial-gradient(1200px 600px at 12% -10%, var(--accent-soft) 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, color-mix(in srgb, var(--accent-3) 16%, transparent) 0%, transparent 50%),
    var(--bg);
  background-attachment:fixed;
}
html[lang="ar"] body{font-family:var(--font-ar)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{margin:0;font-weight:650;letter-spacing:-.014em}
html[lang="ar"] h1,html[lang="ar"] h2,html[lang="ar"] h3{letter-spacing:0}
.muted{color:var(--muted)}
.small{font-size:12px}
.grow{flex:1}
.hide-sm{display:inline}
@media(max-width:1180px){.hide-sm{display:none}}

/* ── Animations ─────────────────────────── */
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes popIn{0%{opacity:0;transform:scale(.94)}60%{transform:scale(1.015)}100%{opacity:1;transform:scale(1)}}
@keyframes slideIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:none}}
@keyframes slideInRTL{from{opacity:0;transform:translateX(-20px)}to{opacity:1;transform:none}}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
@keyframes pulseDot{0%,100%{opacity:1}50%{opacity:.25}}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(var(--rot,0deg))}50%{transform:translateY(-7px) rotate(var(--rot,0deg))}}
@keyframes spinSlow{to{transform:rotate(360deg)}}
@keyframes growBar{from{width:0 !important}}
@keyframes gradientMove{0%{background-position:0% 50%}100%{background-position:200% 50%}}

.anim-in{animation:fadeUp .5s var(--ease-out) both}
.delay-1{animation-delay:.07s}.delay-2{animation-delay:.14s}.delay-3{animation-delay:.21s}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}

/* ── Layout ─────────────────────────────── */
.app{
  height:100vh; display:grid;
  grid-template-columns:var(--sidebar-w) 1fr;
  grid-template-rows:92px 1fr 48px;
  grid-template-areas:"top top" "side main" "status status";
}
.topbar{grid-area:top}
.sidebar{grid-area:side}
.content{grid-area:main; min-width:0; min-height:0; display:flex; flex-direction:column; overflow:hidden}
.statusbar{grid-area:status}

/* ── Top bar ────────────────────────────── */
.topbar{
  display:flex; align-items:center; gap:16px; padding:0 18px; z-index:20;
  background:color-mix(in srgb, var(--surface) 86%, transparent);
  backdrop-filter:blur(12px) saturate(1.4);
  border-bottom:1px solid var(--border);
}
.brand{display:flex; align-items:center; gap:18px; min-width:0}
.brand-mark{
  width:60px;height:60px;border-radius:20px;display:grid;place-items:center;color:#fff;flex:0 0 auto;
  background:linear-gradient(135deg,var(--accent) 0%,var(--accent-2) 50%,var(--accent-3) 100%);
  background-size:200% 200%; animation:gradientMove 7s var(--ease) infinite alternate;
  box-shadow:0 8px 20px -6px var(--accent-ring), inset 0 1px 0 rgba(255,255,255,.28);
  transition:transform .35s var(--ease-out);
}
.brand:hover .brand-mark{transform:rotate(-6deg) scale(1.05)}
.brand-mark svg{width:32px;height:32px}
.brand-text{min-width:0}
.brand-text h1{font-size:23px;line-height:1.2;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.brand-by{
  font-size:17px;font-weight:550;letter-spacing:.01em;
  background:linear-gradient(90deg,var(--accent),var(--accent-3));
  -webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap;
}
.brand-sub{display:flex;align-items:center;gap:6px;font-size:11.4px;color:var(--muted);margin-top:1px}
.ver{
  font-size:10px;font-weight:700;letter-spacing:.02em;padding:1.5px 7px;border-radius:20px;
  background:var(--accent-soft);color:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 25%,transparent);
}
.dotsep{opacity:.5}
.topbar-actions{margin-inline-start:auto; display:flex; align-items:center; gap:8px}

.btn{
  display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid var(--border); background:var(--surface); color:var(--text-2);
  cursor:pointer; font-size:13px; font-weight:550; white-space:nowrap; position:relative; overflow:hidden;
  transition:background .18s var(--ease),border-color .18s,color .18s,box-shadow .25s,transform .12s var(--ease-out);
}
.btn:hover{background:var(--surface-2); color:var(--text); transform:translateY(-1px); box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(0) scale(.985)}
.btn:disabled{opacity:.42;cursor:not-allowed;transform:none;box-shadow:none}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));border-color:transparent;color:#fff;
  box-shadow:0 6px 18px -6px var(--accent-ring);
}
.btn-primary:hover:not(:disabled){color:#fff;box-shadow:0 10px 26px -8px var(--accent-ring);filter:saturate(1.15)}
.btn-secondary{background:var(--accent-soft);border-color:transparent;color:var(--accent)}
.btn-secondary:hover:not(:disabled){color:var(--accent);filter:brightness(1.03)}
.btn-ghost{background:transparent;border-color:transparent;box-shadow:none}
.btn-ghost:hover{background:var(--surface-3);box-shadow:none}
.btn-danger{background:#ef4444;border-color:transparent;color:#fff;box-shadow:0 6px 18px -6px rgba(239,68,68,.45)}
.btn-danger:hover:not(:disabled){background:#dc2626;color:#fff;box-shadow:0 10px 26px -8px rgba(239,68,68,.5)}
.lang-btn{font-weight:600}
.lang-btn span{min-width:52px;text-align:center}
.ico{width:15px;height:15px;flex:0 0 auto}
.ico-sun{transition:transform .6s var(--ease-out)}
#btn-theme:hover .ico-sun{transform:rotate(60deg)}
.ico-lg{width:22px;height:22px}
.iconbtn{
  width:28px;height:28px;border-radius:8px;border:1px solid var(--border);background:var(--surface);
  cursor:pointer;color:var(--text-2);display:grid;place-items:center;font-size:15px;line-height:1;
  transition:background .16s,color .16s,transform .12s;
}
.iconbtn:hover{background:var(--accent-soft);color:var(--accent)}
.iconbtn:active{transform:scale(.92)}
.iconbtn:disabled{opacity:.35;cursor:not-allowed;pointer-events:none}
.linkbtn{background:none;border:0;color:var(--accent);cursor:pointer;font-size:12px;font-weight:600;padding:3px 6px;border-radius:7px;transition:background .16s}
.linkbtn:hover{background:var(--accent-soft)}

/* comparison-option presets */
.preset-bar{display:flex;gap:6px;align-items:center;margin-top:-2px}
.preset-bar select{
  flex:1;min-width:0;height:32px;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--surface);
  padding:0 8px;color:var(--text);outline:none;font-size:12px;
  transition:border-color .18s,box-shadow .22s;
}
.preset-bar select:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-ring)}
.preset-bar .iconbtn{width:30px;height:30px;flex:0 0 auto}
.preset-bar .iconbtn svg{width:14px;height:14px}

/* ── Sidebar ────────────────────────────── */
.sidebar{
  background:color-mix(in srgb, var(--surface) 92%, transparent);
  border-inline-end:1px solid var(--border);
  overflow-y:auto; overflow-x:hidden; padding:14px; display:flex; flex-direction:column; gap:14px;
}
.panel{display:flex;flex-direction:column;gap:10px}
.panel-head{display:flex;align-items:center;justify-content:space-between}
.panel-head h2{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:700}
html[lang="ar"] .panel-head h2{text-transform:none;letter-spacing:0;font-size:12px}

/* file slots */
.slot{
  position:relative; border:1.5px dashed var(--border-strong); border-radius:var(--r-lg);
  background:var(--surface-2); padding:14px; padding-inline-start:44px; cursor:pointer; min-height:88px;
  transition:border-color .2s,background .2s,box-shadow .25s,transform .18s var(--ease-out);
}
.slot::after{
  content:'';position:absolute;inset:0;border-radius:var(--r-lg);pointer-events:none;opacity:0;
  background:linear-gradient(120deg,transparent 30%,color-mix(in srgb,var(--accent) 12%,transparent) 50%,transparent 70%);
  background-size:200% 100%;transition:opacity .3s;
}
.slot:hover{border-color:var(--accent);background:var(--accent-soft);transform:translateY(-1px)}
.slot.dragover{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 4px var(--accent-ring);transform:scale(1.01)}
.slot.filled{border-style:solid;border-color:var(--border);background:var(--surface);box-shadow:var(--shadow-sm);animation:popIn .35s var(--ease-out)}
.slot.busy::after{opacity:1;animation:shimmer 1.1s linear infinite}
.slot.busy{pointer-events:none}
.slot-tag{
  position:absolute;inset-inline-start:12px;top:15px;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
  font-size:11px;font-weight:800;color:#fff;letter-spacing:.02em;
}
.tag-a{background:linear-gradient(135deg,#64748b,#475569)}
.tag-b{background:linear-gradient(135deg,var(--accent),var(--accent-2))}
.slot-empty{display:flex;flex-direction:column;gap:2px;color:var(--muted)}
.slot-empty strong{color:var(--text);font-size:13.5px}
.slot-empty span{font-size:12px}
.slot-empty svg{position:absolute;inset-inline-end:14px;top:17px;opacity:.32}
.slot-loaded .slot-name{display:block;font-size:13px;word-break:break-all;line-height:1.35}
.slot-meta{font-size:11.5px;color:var(--muted);margin-top:3px}
.slot-pages{display:flex;gap:5px;margin-top:9px;flex-wrap:wrap;align-items:center}
.thumb{
  width:34px;height:44px;border:1px solid var(--border);border-radius:4px;background:#fff;object-fit:cover;
  box-shadow:var(--shadow-sm);animation:popIn .4s var(--ease-out) both;transition:transform .2s var(--ease-out);
}
.thumb:hover{transform:translateY(-3px) scale(1.06);box-shadow:var(--shadow)}

/* option groups */
.group{border:1px solid var(--border);border-radius:var(--r);background:var(--surface-2);overflow:hidden;transition:border-color .2s}
.group:hover{border-color:var(--border-strong)}
.group>summary{
  cursor:pointer;padding:10px 12px;font-size:12.5px;font-weight:650;color:var(--text-2);
  list-style:none;display:flex;align-items:center;justify-content:space-between;user-select:none;transition:background .16s;
}
.group>summary::-webkit-details-marker{display:none}
.group>summary::after{content:"›";color:var(--muted);transition:transform .25s var(--ease-out);font-size:15px;line-height:1}
.group[open]>summary::after{transform:rotate(90deg)}
[dir="rtl"] .group>summary::after{content:"‹"}
[dir="rtl"] .group[open]>summary::after{transform:rotate(-90deg)}
.group>summary:hover{background:var(--surface-3)}
.group-body{padding:6px 12px 13px;display:flex;flex-direction:column;gap:11px;border-top:1px solid var(--border);animation:fadeIn .25s}

.chk{display:flex;gap:9px;align-items:flex-start;cursor:pointer;font-size:12.5px;line-height:1.4}
.chk input{margin:1px 0 0;accent-color:var(--accent);width:15px;height:15px;flex:0 0 auto;cursor:pointer}
.chk span{color:var(--text-2)}
.chk b{font-weight:550}
.chk em{display:block;font-style:normal;color:var(--muted);font-size:11px}
.chk:hover span{color:var(--text)}
.chk-inline{align-items:center;white-space:nowrap}

.fld{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--text-2)}
.fld>span{display:flex;gap:6px;align-items:baseline;flex-wrap:wrap}
.fld em{font-style:normal;color:var(--muted);font-size:11px}
.fld b{color:var(--accent);font-variant-numeric:tabular-nums;font-weight:650}
.fld select,.fld input[type=text],.fld input[type=number],.search{
  height:34px;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--surface);
  padding:0 10px;color:var(--text);outline:none;font-size:12.5px;width:100%;
  transition:border-color .18s,box-shadow .22s;
}
.fld select:focus,.fld input:focus,.search:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-ring)}
/* Required-but-empty fields: red-400 fill with the "Required…" placeholder
   itself carrying the message, bold white so it reads against the fill.
   Clears the moment the field has a value (see .fld input:not(.invalid)). */
.fld input.invalid{background:#f87171;border-color:#f87171;color:#fff}
.fld input.invalid::placeholder{color:#fff;font-weight:700;opacity:1}
.fld input.invalid:focus{border-color:#ef4444;box-shadow:0 0 0 4px rgba(248,113,113,.28)}
/* "Prepared by / reference" is auto-filled from whoever is signed in and
   isn't user-editable — styled like a disabled field so that reads at a glance. */
.fld input[readonly]{background:var(--surface-3);color:var(--text-2);cursor:default}
.fld input[readonly]:focus{border-color:var(--border);box-shadow:none}
.mm-fld{display:flex;flex-direction:row;align-items:center;gap:8px}
.mm-fld>span:first-child{flex:1}
.mm-fld input[type=number]{width:76px;flex:0 0 auto}
.mm-fld span.unit{color:var(--muted);font-size:11.5px}
input[type=range]{width:100%;accent-color:var(--accent);height:18px;cursor:pointer}
.range-fld.inline{flex-direction:row;align-items:center;gap:8px;white-space:nowrap}
.range-fld.inline input[type=range]{width:160px;margin:0 6px;vertical-align:middle}

.sidebar-foot{margin-top:auto;padding-top:6px}
.hintcard{
  background:linear-gradient(135deg,var(--accent-soft),color-mix(in srgb,var(--accent-3) 12%,transparent));
  border-radius:var(--r);padding:11px 13px;font-size:11.5px;color:var(--text-2);
  display:flex;flex-direction:column;gap:3px;border:1px solid color-mix(in srgb,var(--accent) 18%,transparent);
}
.hintcard strong{color:var(--accent);font-size:10.5px;text-transform:uppercase;letter-spacing:.08em}
html[lang="ar"] .hintcard strong{text-transform:none;letter-spacing:0;font-size:11.5px}

/* ── Tabs ───────────────────────────────── */
.tabs{
  display:flex;align-items:center;gap:3px;padding:0 14px;height:50px;flex:0 0 auto;
  background:color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);overflow-x:auto;scrollbar-width:none;
}
.tabs::-webkit-scrollbar{display:none}
.tab{
  border:0;background:none;cursor:pointer;padding:0 14px;height:34px;border-radius:var(--r-sm);
  color:var(--muted);font-size:13px;font-weight:600;white-space:nowrap;position:relative;
  transition:background .18s,color .18s,transform .12s;
}
.tab:hover{background:var(--surface-3);color:var(--text-2)}
.tab:active{transform:scale(.97)}
.tab.active{background:linear-gradient(135deg,var(--accent-soft),color-mix(in srgb,var(--accent-3) 10%,transparent));color:var(--accent)}
.tab.active::after{
  content:'';position:absolute;bottom:-8px;inset-inline-start:50%;transform:translateX(-50%);
  width:22px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--accent),var(--accent-2));
  animation:popIn .3s var(--ease-out);
}
[dir="rtl"] .tab.active::after{transform:translateX(50%)}
.tab .badge{
  display:inline-block;margin-inline-start:6px;background:var(--del);color:#fff;border-radius:20px;
  font-size:10px;padding:1px 6px;font-weight:700;vertical-align:1px;animation:popIn .35s var(--ease-out) both;
}
.tabs-spacer{flex:1}
.page-nav{display:flex;align-items:center;gap:6px;animation:fadeIn .3s}
.page-nav select{
  height:30px;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--surface);
  padding:0 8px;font-size:12.5px;max-width:240px;cursor:pointer;
}

/* ── Views ──────────────────────────────── */
.views{flex:1;min-height:0;position:relative;overflow:hidden}
.view{position:absolute;inset:0;display:none;flex-direction:column;overflow:auto;padding:20px}
.view.active{display:flex;animation:fadeUp .34s var(--ease-out)}
#view-side.active,#view-overlay.active,#view-pixel.active,#view-text.active{padding:0;overflow:hidden}

/* empty hero */
.empty-hero{max-width:840px;margin:auto;text-align:center;padding:24px}
.hero-art{position:relative;height:116px;margin-bottom:22px}
.hero-doc{
  position:absolute;top:0;width:78px;height:102px;border-radius:8px;background:var(--surface);
  border:1px solid var(--border);box-shadow:var(--shadow);animation:floaty 5s var(--ease) infinite;
}
.hero-doc::before,.hero-doc::after{content:"";position:absolute;left:12px;right:12px;height:5px;border-radius:3px;background:var(--surface-3)}
.hero-doc::before{top:18px}.hero-doc::after{top:32px;right:30px}
.doc-l{left:50%;margin-left:-106px;--rot:-7deg;transform:rotate(-7deg)}
.doc-r{left:50%;margin-left:28px;--rot:7deg;transform:rotate(7deg);animation-delay:.9s}
.hero-spark{
  position:absolute;left:50%;top:34px;transform:translateX(-50%);width:48px;height:48px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent-3));color:#fff;display:grid;place-items:center;font-size:21px;
  box-shadow:0 10px 26px -8px var(--accent-ring);
}
.empty-hero h2{font-size:25px;margin-bottom:10px}
.empty-hero>p{color:var(--text-2);max-width:660px;margin:0 auto 22px;line-height:1.65}
.feature-grid{
  list-style:none;padding:0;margin:0 0 20px;display:grid;gap:10px;text-align:start;
  grid-template-columns:repeat(auto-fit,minmax(232px,1fr));
}
.feature-grid li{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:12px 14px;
  display:flex;flex-direction:column;gap:3px;box-shadow:var(--shadow-sm);
  animation:fadeUp .5s var(--ease-out) both;transition:transform .22s var(--ease-out),box-shadow .22s,border-color .22s;
}
.feature-grid li:nth-child(1){animation-delay:.04s}.feature-grid li:nth-child(2){animation-delay:.09s}
.feature-grid li:nth-child(3){animation-delay:.14s}.feature-grid li:nth-child(4){animation-delay:.19s}
.feature-grid li:nth-child(5){animation-delay:.24s}.feature-grid li:nth-child(6){animation-delay:.29s}
.feature-grid li:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--accent) 40%,var(--border))}
.feature-grid b{font-size:12.5px}
.feature-grid span{font-size:11.5px;color:var(--muted);line-height:1.5}
/* .empty-hero>p{color:...} otherwise outranks .privacy (element+class beats
   a single class) and clobbers the transparent fill the gradient needs. */
.empty-hero .privacy{
  font-size:12.5px;font-weight:600;
  background:linear-gradient(to right,#f43f5e,#ec4899,#ef4444); /* rose-500 via pink-500 to red-500 */
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* verdict + KPIs */
.verdict{
  display:flex;align-items:center;gap:15px;padding:17px 19px;border-radius:var(--r-lg);margin-bottom:15px;
  border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-sm);
  animation:fadeUp .4s var(--ease-out) both;position:relative;overflow:hidden;
  /* .verdict is a flex item in a column flex container (.view) AND has overflow:hidden —
     per the flexbox spec that makes its automatic min-height resolve to 0, so when the
     view runs short on space this card (and only this card) gets crushed instead of its
     siblings. flex-shrink:0 pins it to its content height so it can never be crushed. */
  flex-shrink:0;
}
.verdict::before{content:'';position:absolute;inset-inline-start:0;top:0;bottom:0;width:5px}
.verdict .vico{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:21px;flex:0 0 auto;color:#fff;align-self:flex-start}
.verdict h3{font-size:17.5px;margin-bottom:3px}
.verdict p{margin:0;color:var(--text-2);font-size:13px;line-height:1.55}
.verdict.ok::before{background:var(--add)} .verdict.ok .vico{background:linear-gradient(135deg,var(--add),var(--teal))}
.verdict.minor::before{background:var(--warn)} .verdict.minor .vico{background:linear-gradient(135deg,var(--warn),#fb923c)}
.verdict.major::before{background:var(--del)} .verdict.major .vico{background:linear-gradient(135deg,var(--del),#e11d48)}

.kpis{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(172px,1fr));margin-bottom:16px}
.kpi{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:15px;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:3px;position:relative;overflow:hidden;
  animation:fadeUp .45s var(--ease-out) both;transition:transform .22s var(--ease-out),box-shadow .22s;
}
.kpi:nth-child(1){animation-delay:.03s}.kpi:nth-child(2){animation-delay:.08s}.kpi:nth-child(3){animation-delay:.13s}
.kpi:nth-child(4){animation-delay:.18s}.kpi:nth-child(5){animation-delay:.23s}.kpi:nth-child(6){animation-delay:.28s}
.kpi:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.kpi .k-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700}
html[lang="ar"] .kpi .k-label{text-transform:none;letter-spacing:0;font-size:11.5px}
.kpi .k-value{font-size:27px;font-weight:700;letter-spacing:-.025em;font-variant-numeric:tabular-nums;line-height:1.2}
.kpi .k-sub{font-size:11.5px;color:var(--muted)}
.kpi .k-bar{height:6px;border-radius:4px;background:var(--surface-3);overflow:hidden;margin-top:7px}
.kpi .k-bar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--accent),var(--accent-2));animation:growBar .9s var(--ease-out)}

/* cards + tables */
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);
  margin-bottom:16px;overflow:hidden;animation:fadeUp .5s var(--ease-out) both;animation-delay:.1s;
  flex-shrink:0; /* same overflow:hidden + flex-column crush risk as .verdict above */
}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 17px;border-bottom:1px solid var(--border)}
.card-head h3{font-size:13.5px}
.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse;font-size:12.5px}
.table th{
  text-align:start;font-weight:700;color:var(--muted);font-size:10.5px;text-transform:uppercase;letter-spacing:.07em;
  padding:10px 15px;border-bottom:1px solid var(--border);white-space:nowrap;background:var(--surface-2);position:sticky;top:0;z-index:1;
}
html[lang="ar"] .table th{text-transform:none;letter-spacing:0;font-size:11.5px}
.table th.sortable{cursor:pointer;user-select:none;transition:color .15s}
.table th.sortable:hover{color:var(--text)}
.table th.sortable .sort-ico{display:inline-flex;flex-direction:column;margin-inline-start:5px;vertical-align:-1px;gap:1px}
.table th.sortable .sort-ico i{
  display:block;width:0;height:0;border-inline-start:3.5px solid transparent;border-inline-end:3.5px solid transparent;opacity:.3;
}
.table th.sortable .sort-ico i.up{border-bottom:4px solid currentColor}
.table th.sortable .sort-ico i.down{border-top:4px solid currentColor}
.table th.sort-asc{color:var(--accent)}
.table th.sort-asc .sort-ico i.up{opacity:1}
.table th.sort-desc{color:var(--accent)}
.table th.sort-desc .sort-ico i.down{opacity:1}
.card-head-actions{display:flex;align-items:center;gap:10px}
.card-head .search{max-width:200px;height:30px}
.table td{padding:10px 15px;border-bottom:1px solid var(--border);vertical-align:middle}
.table tbody tr{transition:background .15s;animation:fadeIn .3s both}
.table tbody tr:last-child td{border-bottom:0}
.table tbody tr:hover{background:var(--surface-2)}
.table td.num{font-variant-numeric:tabular-nums;white-space:nowrap;direction:ltr;text-align:start}
.pill{
  display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:650;white-space:nowrap;
}
.pill-ok{background:var(--add-soft);color:var(--add)}
.pill-mod{background:var(--warn-soft);color:var(--warn)}
.pill-add{background:var(--add-soft);color:var(--add)}
.pill-del{background:var(--del-soft);color:var(--del)}
.pill-neutral{background:var(--surface-3);color:var(--muted)}
.simcell{display:flex;align-items:center;gap:8px;direction:ltr}
[dir="rtl"] .simcell{flex-direction:row-reverse}
.minibar{height:6px;width:84px;border-radius:4px;background:var(--surface-3);overflow:hidden;flex:0 0 auto}
.minibar i{display:block;height:100%;border-radius:4px;animation:growBar .8s var(--ease-out)}
.simval{font-variant-numeric:tabular-nums;min-width:44px}
.plusminus b{color:var(--add)} .plusminus s{color:var(--del);text-decoration:none}

/* view bars */
.viewbar{
  display:flex;align-items:center;gap:14px;padding:11px 16px;background:var(--surface);
  border-bottom:1px solid var(--border);flex:0 0 auto;overflow-x:auto;scrollbar-width:none;
}
.viewbar::-webkit-scrollbar{display:none}
.seg{display:inline-flex;background:var(--surface-3);border-radius:10px;padding:3px;gap:2px}
.seg-btn{
  border:0;background:none;cursor:pointer;padding:5px 12px;border-radius:8px;font-size:12.5px;color:var(--muted);
  font-weight:600;white-space:nowrap;transition:background .2s,color .2s,box-shadow .2s,transform .12s;
}
.seg-btn:hover{color:var(--text-2)}
.seg-btn:active{transform:scale(.96)}
.seg-btn.active{background:var(--surface);color:var(--accent);box-shadow:var(--shadow-sm)}
.legend{display:flex;gap:14px;font-size:11.5px;color:var(--muted);align-items:center;white-space:nowrap}
.legend span{display:inline-flex;align-items:center;gap:5px}
.sw{width:11px;height:11px;border-radius:3px;display:inline-block}
.sw-add{background:var(--add)}.sw-del{background:var(--del)}
.zoomctl{margin-inline-start:auto;display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
#zoom-val{font-variant-numeric:tabular-nums;min-width:44px;text-align:center}
.search{max-width:250px;height:32px}

/* panes — the min-height:0 chain is what makes these scroll */
.pane-grid{flex:1;min-height:0;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border)}
.pane{background:var(--surface-2);display:flex;flex-direction:column;min-width:0;min-height:0}
.pane-title{
  padding:8px 15px;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);
  background:var(--surface);border-bottom:1px solid var(--border);flex:0 0 auto;
}
html[lang="ar"] .pane-title{text-transform:none;letter-spacing:0;font-size:11.5px}
.pane-scroll{flex:1;min-height:0;overflow:auto;padding:18px;display:block;text-align:center}
.page-img{
  display:inline-block;background:#fff;box-shadow:0 4px 22px -6px rgba(15,23,42,.35);border-radius:3px;
  vertical-align:top;animation:fadeIn .3s;max-width:none;
}
.stage{flex:1;min-height:0;overflow:auto;padding:22px;text-align:center;background:var(--surface-2)}
.stage .stage-inner{position:relative;display:inline-block;vertical-align:top}
.stage canvas,.stage img{display:block;background:#fff;box-shadow:0 4px 22px -6px rgba(15,23,42,.35);border-radius:3px;max-width:100%;height:auto}
.placeholder{
  margin:auto;text-align:center;color:var(--muted);font-size:13px;max-width:440px;padding:48px 20px;
  animation:fadeIn .3s;
}
.placeholder b{display:block;color:var(--text-2);margin-bottom:5px;font-size:14.5px}

/* swipe compare */
.swipe{
  position:relative;display:inline-block;user-select:none;touch-action:none;cursor:col-resize;line-height:0;
  direction:ltr;box-shadow:0 4px 22px -6px rgba(15,23,42,.35);border-radius:3px;overflow:hidden;
}
/* the clipped B layer must keep the full page width — the generic
   `.stage canvas{max-width:100%}` would otherwise squeeze it into the clip box */
.swipe canvas{max-width:none !important;box-shadow:none !important;border-radius:0 !important}
.swipe .layerB{position:absolute;inset:0;overflow:hidden}
.swipe .layerB canvas{position:absolute;top:0;left:0}
.swipe .handle{
  position:absolute;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--accent),var(--accent-3));
  transform:translateX(-50%);box-shadow:0 0 0 1px rgba(255,255,255,.6);pointer-events:none;
}
.swipe .knob{
  position:absolute;top:50%;inset-inline-start:0;transform:translate(-50%,-50%);width:36px;height:36px;border-radius:50%;
  background:var(--surface);border:2px solid var(--accent);color:var(--accent);display:grid;place-items:center;
  font-size:15px;box-shadow:var(--shadow);pointer-events:none;
}
.swipe .tagline{
  position:absolute;top:10px;font-size:10.5px;font-weight:800;letter-spacing:.1em;color:#fff;
  padding:3px 9px;border-radius:20px;pointer-events:none;
}
.swipe .tag-l{inset-inline-start:10px;background:rgba(71,85,105,.85)}
.swipe .tag-r{inset-inline-end:10px;background:color-mix(in srgb,var(--accent) 85%,black)}

/* text diff */
.textdiff{flex:1;min-height:0;overflow:auto;padding:18px;background:var(--surface-2)}
.td-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.td-col{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:15px 17px;box-shadow:var(--shadow-sm);animation:fadeUp .35s var(--ease-out) both}
.td-col:nth-child(2){animation-delay:.06s}
.td-col h4{margin:0 0 11px;font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
html[lang="ar"] .td-col h4{text-transform:none;letter-spacing:0;font-size:11.5px}
.td-body{font-size:13px;line-height:1.9;color:var(--text-2);word-break:break-word}
.td-body ins{background:var(--add-soft);color:var(--add);text-decoration:none;border-radius:4px;padding:1px 4px;font-weight:600}
.td-body del{background:var(--del-soft);color:var(--del);text-decoration:line-through;border-radius:4px;padding:1px 4px;font-weight:600}
.changelist{display:flex;flex-direction:column;gap:8px}
.change{
  background:var(--surface);border:1px solid var(--border);border-inline-start:3px solid var(--muted);border-radius:var(--r);
  padding:10px 14px;display:flex;gap:12px;align-items:flex-start;box-shadow:var(--shadow-sm);
  animation:fadeUp .3s var(--ease-out) both;transition:transform .18s var(--ease-out),box-shadow .18s;
}
.change:hover{transform:translateX(2px);box-shadow:var(--shadow)}
[dir="rtl"] .change:hover{transform:translateX(-2px)}
.change.mod{border-inline-start-color:var(--warn)} .change.add{border-inline-start-color:var(--add)} .change.del{border-inline-start-color:var(--del)}
.change .cno{font-size:11px;color:var(--muted);min-width:70px;font-variant-numeric:tabular-nums}
.change .ctext{flex:1;font-size:12.5px;line-height:1.65}
.change .ctext del{color:var(--del);background:var(--del-soft);text-decoration:line-through;border-radius:4px;padding:0 4px}
.change .ctext ins{color:var(--add);background:var(--add-soft);text-decoration:none;border-radius:4px;padding:0 4px}

/* status bar — sized up from a standard footer so progress is easy to notice,
   but dialed back 30% from its previous height so it doesn't dominate */
.statusbar{
  display:flex;align-items:center;gap:12px;padding:0 16px;font-size:12px;color:var(--muted);
  background:var(--surface);border-top:1px solid var(--border);
}
.statusbar .muted.small{font-size:10.5px}
.whoami{display:flex;align-items:center;gap:6px;position:relative;z-index:401}
.user-code-input{
  width:156px;padding:3px 9px;font-size:11px;border:1px solid var(--border);border-radius:7px;
  background:var(--surface-2);color:var(--text-2);outline:none;transition:border-color .15s,box-shadow .15s;
}
.user-code-input:focus{border-color:var(--accent)}
.user-menu-wrap{position:relative}
.user-name{color:var(--add);font-weight:600;font-size:13.5px;cursor:pointer}
.user-menu{
  position:absolute;bottom:calc(100% + 8px);inset-inline-end:0;z-index:402;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);
  box-shadow:var(--shadow-lg);padding:4px;min-width:112px;
}
.user-menu-item{
  display:block;width:100%;text-align:start;padding:7px 11px;border-radius:6px;
  border:none;background:none;color:var(--del);font-size:12px;font-weight:600;
  font-family:inherit;cursor:pointer;transition:background .12s;
}
.user-menu-item:hover{background:var(--del-soft)}

/* Locked-until-identified gate: dims and disables the rest of the app while
   spotlighting the status-bar code field (raised above the overlay by its
   own z-index, so it stays crisp and clickable). */
.auth-overlay{
  position:fixed;inset:0;z-index:400;
  background:rgba(15,23,42,.6);backdrop-filter:blur(1.5px);
  display:flex;align-items:flex-end;justify-content:center;padding-bottom:104px;
  opacity:0;pointer-events:none;transition:opacity .25s var(--ease);
}
.auth-overlay.active{opacity:1;pointer-events:auto}
[data-theme="dark"] .auth-overlay{background:rgba(0,0,0,.72)}
.auth-overlay-card{
  display:flex;align-items:center;gap:10px;max-width:300px;text-align:start;
  background:#fef08a;color:#713f12;border:1px solid #facc15;
  border-radius:var(--r-lg);padding:13px 18px;font-size:12.5px;font-weight:600;
  box-shadow:var(--shadow-lg);animation:authBob 1.8s ease-in-out infinite;
}
.auth-overlay-card .ico{width:20px;height:20px;flex:0 0 auto;color:#a16207}
@keyframes authBob{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
body.auth-locked .user-code-input{
  border-color:var(--accent);animation:authPulse 1.6s ease-in-out infinite;
}
@keyframes authPulse{
  0%,100%{box-shadow:0 0 0 3px var(--accent-ring),0 0 16px 2px color-mix(in srgb,var(--accent) 35%,transparent)}
  50%{box-shadow:0 0 0 5px var(--accent-ring),0 0 26px 7px color-mix(in srgb,var(--accent) 55%,transparent)}
}
.dot{width:11px;height:11px;border-radius:50%;background:var(--muted);flex:0 0 auto;transition:background .3s}
.dot.busy{background:var(--warn);animation:pulseDot 1s infinite}
.dot.ok{background:var(--add);box-shadow:0 0 0 3px color-mix(in srgb,var(--add) 22%,transparent)}
.dot.err{background:var(--del);box-shadow:0 0 0 3px color-mix(in srgb,var(--del) 22%,transparent)}
.progress{width:min(270px,40vw);height:8px;border-radius:5px;background:var(--surface-3);overflow:hidden;flex:0 0 auto}
.progress-bar{
  height:100%;width:0;border-radius:5px;transition:width .25s var(--ease-out);
  background:linear-gradient(90deg,var(--accent),var(--accent-2),var(--accent-3),var(--accent));
  background-size:300% 100%;animation:gradientMove 1.6s linear infinite;
}

/* toasts — z-index sits above .auth-overlay (400) so a "wrong code" toast is
   still fully readable while the rest of the page is dimmed/locked. */
.toast-wrap{position:fixed;inset-inline-end:18px;bottom:64px;display:flex;flex-direction:column;gap:8px;z-index:450}
.toast{
  background:#d9f99d;border:1px solid #bef264;border-inline-start:3px solid var(--accent);
  border-radius:var(--r);padding:12px 15px;box-shadow:var(--shadow-lg);font-size:12.5px;max-width:350px;
  animation:slideIn .3s var(--ease-out);color:#365314;
}
[dir="rtl"] .toast{animation-name:slideInRTL}
.toast.ok{border-inline-start-color:var(--add)}
.toast b{display:block;color:#1a2e05;margin-bottom:2px;font-size:12.5px}
.toast.err{background:#e11d48;border-color:#e11d48;border-inline-start-color:#9f1239;color:#fff}
.toast.err b{color:#fff}

/* misc */
.link{color:var(--accent);cursor:pointer;text-decoration:none;font-weight:600;transition:opacity .15s}
.link:hover{opacity:.75;text-decoration:underline}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:8px;border:3px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:var(--muted);background-clip:content-box;border:3px solid transparent}
::-webkit-scrollbar-track{background:transparent}

@media(max-width:980px){
  .app{grid-template-columns:1fr;grid-template-rows:92px auto 1fr 48px;grid-template-areas:"top" "side" "main" "status"}
  .sidebar{max-height:44vh;border-inline-end:0;border-bottom:1px solid var(--border)}
  .pane-grid,.td-grid{grid-template-columns:1fr}
}