/* =========================================================================
   MfiSerli AI — Premium Dark v2 / Suite expansion
   Подключается после workspace.css. Только аддитивные улучшения.
   ========================================================================= */
:root, html[data-theme="night"]{
  --mfi-glass:rgba(13,17,28,.76);
  --mfi-glass-2:rgba(21,28,44,.72);
  --mfi-edge:rgba(160,175,205,.18);
  --mfi-edge-strong:rgba(160,175,205,.3);
  --mfi-shadow:0 30px 80px -38px rgba(0,0,0,.9), 0 8px 28px -18px rgba(92,80,220,.45);
  --mfi-glow:radial-gradient(ellipse at 20% 0%, rgba(106,88,232,.22), transparent 55%), radial-gradient(ellipse at 90% 15%, rgba(85,185,232,.16), transparent 50%);
  --mfi-grad:linear-gradient(135deg,var(--brand2),var(--brand) 55%,var(--brand3));
  --mfi-grad-soft:linear-gradient(135deg,rgba(160,146,255,.16),rgba(85,185,232,.08));
  --mfi-r-2xl:28px;
  --mfi-fast:140ms var(--ease);
}
html[data-theme="graphite"]{--mfi-glass:rgba(20,22,27,.82);--mfi-glass-2:rgba(28,31,38,.76);--mfi-edge:rgba(169,182,199,.16);--mfi-glow:radial-gradient(ellipse at 20% 0%,rgba(169,182,199,.14),transparent 55%)}
html[data-theme="ocean"]{--mfi-glass:rgba(8,23,33,.82);--mfi-glass-2:rgba(12,32,44,.76);--mfi-edge:rgba(103,200,236,.18);--mfi-glow:radial-gradient(ellipse at 20% 0%,rgba(31,120,160,.22),transparent 55%)}
html[data-theme="sand"]{--mfi-glass:rgba(255,253,248,.86);--mfi-glass-2:rgba(247,242,233,.8);--mfi-edge:rgba(120,96,70,.2);--mfi-shadow:0 24px 60px -36px rgba(90,70,50,.5)}
html[data-theme="light"]{--mfi-glass:rgba(255,255,255,.88);--mfi-glass-2:rgba(246,248,252,.82);--mfi-edge:rgba(70,85,110,.16);--mfi-shadow:0 24px 60px -36px rgba(30,40,70,.3)}

/* ---------- общая полировка ---------- */
body{-webkit-tap-highlight-color:transparent}
a,button{transition:color var(--mfi-fast),background var(--mfi-fast),border-color var(--mfi-fast),transform var(--mfi-fast),box-shadow var(--mfi-fast),opacity var(--mfi-fast)}
button:not(:disabled):hover{transform:translateY(-1px)}
button:not(:disabled):active{transform:translateY(0) scale(.985)}
:where(button,a,input,textarea,summary,[tabindex]):focus-visible{outline:2px solid var(--brand2);outline-offset:3px;border-radius:6px}
::selection{background:color-mix(in srgb,var(--brand) 40%,transparent)}

/* Навбар и hero */
#landing{scrollbar-color:var(--line2) transparent}
#landing .land-nav{border-bottom:1px solid var(--mfi-edge);box-shadow:0 12px 40px -30px rgba(0,0,0,.9);background:var(--mfi-glass)}
#landing .land-nav .lnk{border:1px solid transparent;border-radius:10px;letter-spacing:.01em}
#landing .land-nav .lnk:hover{border-color:var(--mfi-edge);background:var(--mfi-glass-2);color:var(--txt)}
#landing .nav-pill,#landing .cta,#landing .btn-primary{border:1px solid transparent;box-shadow:0 10px 28px -16px color-mix(in srgb,var(--brand) 70%,transparent)}
#landing .nav-pill:hover,#landing .cta:hover,#landing .btn-primary:hover{box-shadow:0 16px 38px -16px color-mix(in srgb,var(--brand) 85%,transparent)}
#landing .hero2{position:relative;isolation:isolate;overflow:clip}
#landing .hero2::before{content:"";position:absolute;inset:-80px -10% auto -10%;height:520px;background:var(--mfi-glow);filter:blur(20px);z-index:-1;pointer-events:none}
#landing .hero2 h1,#landing .sec-head h2{letter-spacing:-.045em}
#landing .hero2 h1{background:linear-gradient(180deg,var(--txt),color-mix(in srgb,var(--txt) 72%,var(--brand2)));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
#landing .hero2-sub{color:var(--txt2);max-width:64ch}
#landing .hero2-points li{padding:5px 0}
#landing .pv-card,#landing .preview-inner,#landing .trust,#landing .cat,#landing .plan,#landing .steps3 li,#landing .cmp-wrap,#landing .faq2 details{border:1px solid var(--mfi-edge)!important;box-shadow:var(--mfi-shadow);background:var(--mfi-glass-2)}
#landing .cat:hover,#landing .plan:hover,#landing .steps3 li:hover{border-color:color-mix(in srgb,var(--brand2) 55%,var(--mfi-edge))!important;transform:translateY(-3px)}
#landing .cat-ico{box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--brand2) 35%,transparent);background:var(--mfi-grad-soft)}
#landing .sec-head p{color:var(--txt2);max-width:70ch}
#landing .foot-cols{background:var(--mfi-glass-2);border-top:1px solid var(--mfi-edge)}

/* Workspace chrome */
#app{background:radial-gradient(ellipse at 50% -20%,color-mix(in srgb,var(--brand) 10%,transparent),transparent 55%),var(--bg)}
#sidebar,.ws-right,.topbar,.composer-in,.modelmenu,.pop,.modal-card{background:var(--mfi-glass)!important;border-color:var(--mfi-edge)!important;backdrop-filter:blur(18px)}
.topbar{border-bottom:1px solid var(--mfi-edge)!important;box-shadow:0 10px 30px -28px rgba(0,0,0,.9)}
.msg{border-radius:var(--r-lg)}
.msg.user .md{box-shadow:inset 0 0 0 1px var(--mfi-edge),0 18px 40px -32px rgba(0,0,0,.9)}
.cbox{border:1px solid var(--mfi-edge)!important;box-shadow:var(--mfi-shadow);background:var(--panel)!important;transition:border-color var(--mfi-fast),box-shadow var(--mfi-fast)}
.cbox:focus-within{border-color:color-mix(in srgb,var(--brand2) 65%,var(--mfi-edge))!important;box-shadow:0 0 0 3px color-mix(in srgb,var(--brand2) 18%,transparent),var(--mfi-shadow)}
.tool:hover,.iconbtn:hover,.ws-tab:hover,.nav-item:hover{background:var(--mfi-glass-2);border-color:var(--mfi-edge)}
.send,.voice-btn,.modelpick{border:1px solid var(--mfi-edge)}
.hintline kbd{border:1px solid var(--mfi-edge);background:var(--panel2);border-radius:5px;padding:1px 5px}

/* ---------- новые компоненты Suite ---------- */
.mfi-suite{position:relative;overflow:hidden}
.mfi-suite::before{content:"";position:absolute;inset:-120px -20% auto -20%;height:420px;background:var(--mfi-glow);filter:blur(30px);pointer-events:none}
.mfi-suite>*{position:relative;z-index:1}
.mfi-kicker{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border:1px solid color-mix(in srgb,var(--brand2) 42%,var(--mfi-edge));border-radius:999px;background:var(--mfi-grad-soft);color:var(--txt);font-size:12px;font-weight:650;letter-spacing:.02em}
.mfi-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand2);box-shadow:0 0 0 4px color-mix(in srgb,var(--brand2) 18%,transparent)}
.mfi-suite .sec-head h2{font-size:clamp(26px,3.6vw,44px)}
.mfi-suite .sec-head p{font-size:15px}
.mfi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:22px}
.mfi-card{position:relative;display:flex;flex-direction:column;gap:10px;padding:20px;border:1px solid var(--mfi-edge);border-radius:var(--mfi-r-2xl);background:var(--mfi-glass-2);box-shadow:var(--mfi-shadow);overflow:hidden}
.mfi-card::after{content:"";position:absolute;inset:auto -40px -80px auto;width:180px;height:180px;border-radius:50%;background:var(--mfi-grad-soft);filter:blur(30px);pointer-events:none}
.mfi-card:hover{border-color:color-mix(in srgb,var(--brand2) 55%,var(--mfi-edge));transform:translateY(-3px)}
.mfi-card .mfi-ico{width:40px;height:40px;display:grid;place-items:center;border-radius:13px;background:var(--mfi-grad-soft);border:1px solid color-mix(in srgb,var(--brand2) 35%,transparent);font-size:19px}
.mfi-card h3{font-size:16px;letter-spacing:-.02em;margin:0}
.mfi-card p{margin:0;color:var(--txt2);font-size:13px;line-height:1.55}
.mfi-card ul{margin:2px 0 0;padding-left:18px;color:var(--txt2);font-size:12.5px}
.mfi-card .mfi-link{margin-top:auto;align-self:flex-start;display:inline-flex;align-items:center;gap:7px;padding:8px 13px;border-radius:11px;background:var(--mfi-grad);color:#fff;font-weight:650;font-size:12.5px;text-decoration:none}
.mfi-card .mfi-link.secondary{background:var(--panel2);color:var(--txt);border:1px solid var(--mfi-edge)}
.mfi-card .mfi-link:hover{filter:brightness(1.1);box-shadow:0 12px 26px -14px color-mix(in srgb,var(--brand) 80%,transparent)}
.mfi-office-banner{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:center;margin-top:18px;padding:24px;border:1px solid var(--mfi-edge);border-radius:var(--mfi-r-2xl);background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 18%,var(--panel)),var(--mfi-glass-2));box-shadow:var(--mfi-shadow)}
.mfi-office-banner h3{font-size:clamp(20px,2.4vw,30px);letter-spacing:-.035em;margin:8px 0}
.mfi-office-banner p{color:var(--txt2);margin:0 0 14px;max-width:62ch}
.mfi-office-banner .mfi-actions{display:flex;flex-wrap:wrap;gap:9px}
.mfi-office-preview{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.mfi-office-preview span{display:grid;place-items:center;min-height:62px;border:1px solid var(--mfi-edge);border-radius:14px;background:var(--mfi-glass);font-size:12px;font-weight:650;color:var(--txt2)}
.mfi-office-preview span b{display:block;color:var(--txt);font-size:18px}

/* AI Studio */
.mfi-studio{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}
.mfi-panel{padding:18px;border:1px solid var(--mfi-edge);border-radius:var(--mfi-r-2xl);background:var(--mfi-glass-2);box-shadow:var(--mfi-shadow);min-width:0}
.mfi-panel h3{font-size:15px;margin:0 0 10px;letter-spacing:-.02em}
.mfi-panel label{display:block;font-size:12px;color:var(--txt2);margin:0 0 6px}
.mfi-textarea{width:100%;min-height:190px;resize:vertical;padding:13px 14px;border:1px solid var(--mfi-edge);border-radius:14px;background:var(--panel);color:var(--txt);font:inherit;line-height:1.55;outline:none}
.mfi-textarea:focus{border-color:color-mix(in srgb,var(--brand2) 65%,var(--mfi-edge));box-shadow:0 0 0 3px color-mix(in srgb,var(--brand2) 16%,transparent)}
.mfi-chips{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0}
.mfi-chip{padding:7px 11px;border:1px solid var(--mfi-edge);border-radius:999px;background:var(--panel2);color:var(--txt2);font-size:12px;font-weight:600;cursor:pointer}
.mfi-chip:hover,.mfi-chip[aria-pressed="true"]{border-color:color-mix(in srgb,var(--brand2) 60%,var(--mfi-edge));background:var(--mfi-grad-soft);color:var(--txt)}
.mfi-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.mfi-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 14px;border:1px solid transparent;border-radius:11px;background:var(--mfi-grad);color:#fff;font-size:12.5px;font-weight:650;cursor:pointer;text-decoration:none}
.mfi-btn.secondary{background:var(--panel2);color:var(--txt);border-color:var(--mfi-edge)}
.mfi-btn:hover{filter:brightness(1.08)}
.mfi-btn:disabled{opacity:.55;cursor:progress;transform:none}
.mfi-output{white-space:pre-wrap;overflow-wrap:anywhere;min-height:190px;max-height:340px;overflow:auto;padding:13px 14px;border:1px dashed var(--mfi-edge);border-radius:14px;background:var(--panel);font-size:13px;line-height:1.6}
.mfi-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:10px;color:var(--txt2);font-size:11.5px}
.mfi-badge{padding:3px 8px;border:1px solid var(--mfi-edge);border-radius:999px;background:var(--panel2)}
.mfi-badge.ok{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 45%,var(--mfi-edge))}
.mfi-badge.warn{color:var(--warn);border-color:color-mix(in srgb,var(--warn) 45%,var(--mfi-edge))}
.mfi-studio-help{color:var(--txt3);font-size:11.5px;margin:8px 0 0}

/* Быстрые действия в workspace */
.mfi-quick{display:flex;gap:7px;align-items:center;overflow-x:auto;padding:0 2px 9px;scrollbar-width:thin}
.mfi-quick::-webkit-scrollbar{height:4px}
.mfi-quick .mfi-chip{flex:0 0 auto;white-space:nowrap}
.mfi-suite-pill{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border:1px solid var(--mfi-edge);border-radius:999px;background:var(--mfi-grad-soft);color:var(--txt);font-size:11.5px;font-weight:650;text-decoration:none;white-space:nowrap}
.mfi-suite-pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px color-mix(in srgb,var(--ok) 20%,transparent)}

/* Командная палитра */
.mfi-cmd[hidden]{display:none}
.mfi-cmd{position:fixed;inset:0;z-index:200;display:grid;place-items:start center;padding:12vh 16px 16px;background:rgba(3,5,10,.68);backdrop-filter:blur(8px)}
.mfi-cmd-box{width:min(620px,100%);border:1px solid var(--mfi-edge);border-radius:var(--mfi-r-2xl);background:var(--mfi-glass);box-shadow:var(--mfi-shadow);overflow:hidden}
.mfi-cmd-top{display:flex;align-items:center;gap:10px;padding:13px 15px;border-bottom:1px solid var(--mfi-edge)}
.mfi-cmd-top input{flex:1;min-width:0;padding:9px 11px;border:1px solid var(--mfi-edge);border-radius:11px;background:var(--panel);color:var(--txt);font:inherit;outline:none}
.mfi-cmd-top kbd{font-size:10px;color:var(--txt3);border:1px solid var(--mfi-edge);border-radius:5px;padding:2px 5px}
.mfi-cmd-list{max-height:340px;overflow:auto;padding:8px;display:grid;gap:5px}
.mfi-cmd-item{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border:1px solid transparent;border-radius:12px;text-align:left;color:var(--txt);background:transparent;cursor:pointer}
.mfi-cmd-item:hover,.mfi-cmd-item[aria-selected="true"]{background:var(--mfi-glass-2);border-color:var(--mfi-edge)}
.mfi-cmd-item small{display:block;color:var(--txt2);font-size:11px}
.mfi-cmd-foot{padding:9px 15px;border-top:1px solid var(--mfi-edge);color:var(--txt3);font-size:11px}

@media (max-width:900px){
  .mfi-studio,.mfi-office-banner{grid-template-columns:1fr}
  .mfi-office-preview{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:520px){
  .mfi-office-banner{padding:18px}
  .mfi-panel{padding:14px}
  .mfi-textarea,.mfi-output{min-height:150px}
  .mfi-grid{grid-template-columns:1fr}
  #landing .hero2::before{inset:-40px -30% auto -30%;height:360px}
}
@media (prefers-reduced-motion:reduce){
  .mfi-card,.mfi-btn,.mfi-chip,#landing .cat,#landing .plan,#landing .steps3 li,a,button{transition:none!important;transform:none!important}
  #landing .hero2::before,.mfi-suite::before{animation:none;filter:none}
}