/* X-Office — в стиле login.x-world.plus. Тёмная и светлая темы, прямоугольники с небольшим скруглением. */
:root{
  --bg:#05080d;--glow:#123056;--panel:#0c1520;--panel2:#101b28;--line:rgba(160,190,220,.14);--line2:rgba(160,190,220,.26);
  --fg:#e8f1fb;--fg2:#c9d7e8;--muted:#8ea3bd;--accent:#62e08d;--accent-ink:#03200d;--accent-soft:rgba(98,224,141,.14);
  --err:#ff7a8a;--err-soft:rgba(255,122,138,.12);--pop:#0b131e;--hover:rgba(228,246,255,.07);
  --shadow:0 1px 0 rgba(255,255,255,.03) inset,0 18px 40px -24px rgba(0,0,0,.8);--shadow2:0 24px 60px -20px rgba(0,0,0,.75);
  --hero:radial-gradient(60% 120% at 0% 0%,rgba(98,224,141,.16),transparent 60%),radial-gradient(60% 120% at 100% 0%,rgba(163,123,255,.2),transparent 60%),radial-gradient(80% 120% at 50% 130%,rgba(62,200,255,.16),transparent 60%);
  --r:10px;--r2:14px;color-scheme:dark;
  --word:#3d8fff;--table:#1fbf6a;--slides:#f5862c;--pdf:#9a4ff7;
}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]){
  --bg:#eef2f7;--glow:#dbe8f7;--panel:#fff;--panel2:#f5f8fb;--line:rgba(15,35,60,.10);--line2:rgba(15,35,60,.2);
  --fg:#0d1726;--fg2:#33465e;--muted:#5a6a80;--accent:#14a34d;--accent-ink:#fff;--accent-soft:rgba(20,163,77,.1);
  --err:#d63a52;--err-soft:rgba(214,58,82,.1);--pop:#fff;--hover:rgba(15,35,60,.05);
  --shadow:0 1px 2px rgba(15,35,60,.05),0 12px 32px -20px rgba(15,35,60,.25);--shadow2:0 24px 50px -20px rgba(15,35,60,.3);
  --hero:radial-gradient(60% 120% at 0% 0%,rgba(98,224,141,.22),transparent 60%),radial-gradient(60% 120% at 100% 0%,rgba(163,123,255,.18),transparent 60%),radial-gradient(80% 120% at 50% 130%,rgba(62,200,255,.16),transparent 60%);
  color-scheme:light}}
:root[data-theme="light"]{
  --bg:#eef2f7;--glow:#dbe8f7;--panel:#fff;--panel2:#f5f8fb;--line:rgba(15,35,60,.10);--line2:rgba(15,35,60,.2);
  --fg:#0d1726;--fg2:#33465e;--muted:#5a6a80;--accent:#14a34d;--accent-ink:#fff;--accent-soft:rgba(20,163,77,.1);
  --err:#d63a52;--err-soft:rgba(214,58,82,.1);--pop:#fff;--hover:rgba(15,35,60,.05);
  --shadow:0 1px 2px rgba(15,35,60,.05),0 12px 32px -20px rgba(15,35,60,.25);--shadow2:0 24px 50px -20px rgba(15,35,60,.3);
  --hero:radial-gradient(60% 120% at 0% 0%,rgba(98,224,141,.22),transparent 60%),radial-gradient(60% 120% at 100% 0%,rgba(163,123,255,.18),transparent 60%),radial-gradient(80% 120% at 50% 130%,rgba(62,200,255,.16),transparent 60%);
  color-scheme:light}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg) radial-gradient(1200px 600px at 50% -200px,var(--glow),transparent 70%) no-repeat fixed;color:var(--fg);
  font:15px/1.55 "Golos Text","Segoe UI",system-ui,-apple-system,"Noto Sans","Noto Sans Arabic","Noto Sans Devanagari","PingFang SC","Microsoft YaHei",sans-serif}
main{flex:1}
a{color:inherit}
h1,h2,h3,p{margin:0}
button{font:inherit;color:inherit}
.wrap{width:min(1180px,100% - 40px);margin-inline:auto}
.muted{color:var(--muted)}
.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:600}

/* логотип: белый на тёмной теме, тёмный на светлой */
.logo{display:block;height:20px;width:auto}
.for-light{display:none}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]) .for-light{display:block}:root:not([data-theme="dark"]) .for-dark{display:none}}
:root[data-theme="light"] .for-light{display:block}:root[data-theme="light"] .for-dark{display:none}

/* ---------- шапка ---------- */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 80%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.top-in{width:min(1180px,100% - 40px);margin-inline:auto;height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;min-width:0}
.brand-sep{width:1px;height:20px;background:var(--line2)}
.brand-name{font-weight:600;font-size:17px;letter-spacing:.01em}
.tools{display:flex;align-items:center;gap:8px}
.tbtn{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 14px;border-radius:8px;border:1px solid var(--line2);background:var(--panel);color:var(--fg);
  font-size:14px;font-weight:600;text-decoration:none;cursor:pointer;white-space:nowrap}
.tbtn:hover{background:var(--panel2)}
.tbtn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.tbtn.primary:hover{filter:brightness(1.06)}
.caret{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;opacity:.7}
.theme-btn{width:40px;padding:0;justify-content:center}
.theme-dot{width:16px;height:16px;border-radius:50%;border:2px solid currentColor;background:linear-gradient(90deg,currentColor 50%,transparent 50%)}
[dir="rtl"] .theme-dot{transform:scaleX(-1)}

.drop{position:relative}
.drop-list{position:absolute;inset-inline-end:0;top:calc(100% + 8px);z-index:30;margin:0;padding:6px;list-style:none;background:var(--pop);border:1px solid var(--line2);border-radius:var(--r);box-shadow:var(--shadow2)}
.drop-list[hidden]{display:none}
.lang-list{min-width:190px}
.lang-list button{display:flex;align-items:center;gap:12px;width:100%;padding:8px 10px;border:0;border-radius:6px;background:none;cursor:pointer;text-align:start}
.lang-list button:hover{background:var(--hover)}
.lang-list button b{width:24px;font-size:12px;color:var(--muted)}
.lang-list button[aria-current]{background:var(--accent-soft)}

/* кнопка аккаунта: аватар слева, имя справа */
.acct-btn{padding:0 12px 0 4px}
.ava{width:30px;height:30px;border-radius:6px;object-fit:cover;flex:none}
.ava-l{display:inline-grid;place-items:center;background:linear-gradient(135deg,#62e08d,#3ec8ff);color:#03200d;font-weight:700;font-size:14px}
.acct-name{max-width:16ch;overflow:hidden;text-overflow:ellipsis}
.acct-menu{width:290px;padding:8px}
.acct-head{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;padding:14px 8px 16px;border-bottom:1px solid var(--line);margin-bottom:6px}
.ava-big{width:84px;height:84px;border-radius:12px;object-fit:cover;font-size:34px}
.acct-who{display:flex;flex-direction:column;min-width:0;max-width:100%}
.acct-who b{font-size:16px;overflow:hidden;text-overflow:ellipsis}
.acct-who span{font-size:13px;color:var(--muted);overflow:hidden;text-overflow:ellipsis}
.acct-menu form{margin:0}
.acct-tiles{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;padding:4px 0 8px;margin-bottom:6px;border-bottom:1px solid var(--line)}
.acct-tile{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 6px;border-radius:8px;border:1px solid var(--line);background:var(--panel2);text-decoration:none;font-size:13px;font-weight:600}
.acct-tile:hover{background:var(--hover);border-color:var(--line2)}
.acct-tile img{width:34px;height:34px}
.acct-item{display:block;width:100%;padding:10px 12px;border:0;border-radius:6px;background:none;text-decoration:none;text-align:start;font-size:14px;font-weight:500;cursor:pointer}
.acct-item:hover{background:var(--hover)}
.acct-item.out{color:var(--err);margin-top:4px;border-top:1px solid var(--line);border-radius:0 0 6px 6px}

/* ---------- кнопки ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 22px;border-radius:8px;border:1px solid var(--line2);background:var(--panel);color:var(--fg);
  font-weight:600;text-decoration:none;white-space:nowrap;cursor:pointer}
.btn:hover{background:var(--panel2)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.06)}
.btn.big{height:52px;padding:0 28px;font-size:16px}

/* ---------- вступление ---------- */
.hero{position:relative;padding:72px 0 44px;text-align:center;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:var(--hero);pointer-events:none}
.hero .wrap{position:relative;display:flex;flex-direction:column;align-items:center;gap:18px}
.hero h1{font-size:clamp(32px,5vw,58px);line-height:1.08;letter-spacing:-.025em;font-weight:700;max-width:20em;text-wrap:balance}
.lead{font-size:clamp(16px,1.6vw,19px);color:var(--fg2);max-width:42em}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:2px 0 0;padding:0;list-style:none}
.chips li{padding:6px 14px;border-radius:6px;border:1px solid var(--line2);background:color-mix(in srgb,var(--panel) 70%,transparent);font-size:14px;font-weight:600}
.hello{font-size:17px;font-weight:600;color:var(--accent)}
.hero-act{display:flex;flex-direction:column;align-items:center;gap:10px;margin-top:6px}
.alert{padding:10px 16px;border-radius:8px;background:var(--err-soft);color:var(--err);font-weight:600}

/* ---------- четыре программы ---------- */
.apps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding-bottom:64px}
.app{--c:var(--word);position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:10px;padding:26px 24px 22px;border-radius:var(--r2);
  background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);text-decoration:none;overflow:hidden;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.app::before{content:"";position:absolute;inset:0 0 auto;height:4px;background:var(--c)}
.app::after{content:"";position:absolute;inset:0;background:radial-gradient(90% 70% at 100% 0%,color-mix(in srgb,var(--c) 16%,transparent),transparent 70%);pointer-events:none}
.app-x-table{--c:var(--table)}.app-x-slides{--c:var(--slides)}.app-x-pdf{--c:var(--pdf)}
.app:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--c) 55%,transparent);box-shadow:var(--shadow2)}
.app-ico{width:72px;height:72px;margin-bottom:6px;position:relative;z-index:1}
.app h2{font-size:22px;letter-spacing:-.01em;position:relative;z-index:1}
.app-desc{color:var(--fg2);flex:1;position:relative;z-index:1}
.app-fmt{font-size:12px;letter-spacing:.04em;color:var(--muted);position:relative;z-index:1}
.app-btn{margin-top:8px;display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 18px;border-radius:8px;background:var(--c);color:#fff;font-weight:600;font-size:14px;position:relative;z-index:1}
.app.locked .app-ico,.app.locked h2,.app.locked .app-desc,.app.locked .app-fmt{opacity:.6}
.app.locked .app-btn{background:transparent;color:var(--fg2);border:1px solid var(--line2)}
.app.locked:hover .app-btn{border-color:var(--c);color:var(--fg)}

/* ---------- преимущества ---------- */
.why{padding-bottom:56px}
.sec-title{font-size:clamp(24px,3vw,34px);letter-spacing:-.02em;margin-bottom:22px;text-align:center}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.why-card{padding:24px;border-radius:var(--r2);background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow)}
.why-card h3{font-size:17px;margin-bottom:8px}
.why-card p{color:var(--fg2)}

.band{padding-bottom:56px}
.band.last{padding-bottom:72px}
.band-in{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:32px 36px;border-radius:var(--r2);border:1px solid var(--line2);
  background:linear-gradient(120deg,color-mix(in srgb,var(--word) 14%,var(--panel)),var(--panel) 55%,color-mix(in srgb,var(--pdf) 12%,var(--panel)));box-shadow:var(--shadow)}
.band-in.cta{background:linear-gradient(120deg,color-mix(in srgb,var(--table) 16%,var(--panel)),var(--panel) 60%,color-mix(in srgb,var(--slides) 12%,var(--panel)))}
.band-in h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:6px;letter-spacing:-.01em}
.band-in p{color:var(--fg2);max-width:40em}

/* ---------- подвал ---------- */
.foot{border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.foot-in{width:min(1180px,100% - 40px);margin-inline:auto;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:14px 0}
.foot nav{display:flex;gap:18px}
.foot a{text-decoration:none}.foot a:hover{color:var(--fg)}

/* ---------- мануал ---------- */
.man{display:grid;grid-template-columns:240px 1fr;gap:40px;padding:40px 0 64px;align-items:start}
.man-toc{position:sticky;top:88px;padding:16px;border-radius:var(--r2);background:var(--panel);border:1px solid var(--line)}
.man-toc p{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:8px}
.man-toc ol{margin:0;padding-inline-start:20px;display:flex;flex-direction:column;gap:6px;font-size:14px}
.man-toc a{text-decoration:none;color:var(--fg2)}.man-toc a:hover{color:var(--fg)}
.man-body h1{font-size:clamp(28px,4vw,40px);letter-spacing:-.02em;margin-bottom:10px}
.man-body .lead{margin-bottom:28px}
.man-body section{padding:22px 0;border-top:1px solid var(--line);scroll-margin-top:80px}
.man-body h2{font-size:21px;margin-bottom:10px}
.man-body p,.man-body li{color:var(--fg2)}
.man-body p+p{margin-top:10px}
.man-body ul{margin:10px 0 0;padding-inline-start:22px;display:flex;flex-direction:column;gap:6px}
.man-body ul+p{margin-top:12px}
.man-body b{color:var(--fg)}

/* ---------- узкие экраны ---------- */
@media (max-width:1020px){.apps{grid-template-columns:repeat(2,1fr)}.why-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.man{grid-template-columns:1fr}.man-toc{position:static}}
@media (max-width:640px){
  .wrap,.top-in,.foot-in{width:calc(100% - 28px)}
  .top-in{height:58px;gap:8px}
  .brand{gap:8px}.logo{height:16px}.brand-sep{height:16px}.brand-name{font-size:15px}
  .tools{gap:6px}.tbtn{height:38px;padding:0 10px}.theme-btn{width:38px;padding:0}
  .acct-btn{padding:0 4px}.acct-name{display:none}
  .hero{padding:48px 0 32px}
  .apps,.why-grid{grid-template-columns:1fr}
  .band-in{flex-direction:column;align-items:flex-start;padding:24px}
}
@media (max-width:380px){.brand-sep,.brand-name{display:none}}