/* ============ FS Кабінет ============ */
:root{
	--fs-teal:#006d8f; --fs-teal-d:#005772; --fs-blue:#60afd4;
	--fs-red:#ff5c5c; --fs-green:#24b37d;
	--fs-ink:#27313b; --fs-muted:#6b7785;
	--fs-bg:#f4f6f8; --fs-card:#fff; --fs-line:#e6eaee;
	--fs-sidebar:264px; --fs-radius:14px;
	--fs-shadow:0 1px 3px rgba(20,40,60,.06),0 8px 24px rgba(20,40,60,.06);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;padding:0}
body{font-family:"Roboto",system-ui,Arial,sans-serif;color:var(--fs-ink);background:var(--fs-bg);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.01em}

/* ---- App shell ---- */
#fsc-app{display:flex;min-height:100vh}
.fsc-wrap{flex:1;min-width:0;display:flex;flex-direction:column;margin-left:var(--fs-sidebar)}

/* ---- Sidebar ---- */
.fsc-sidebar{position:fixed;inset:0 auto 0 0;width:var(--fs-sidebar);background:#fff;border-right:1px solid var(--fs-line);display:flex;flex-direction:column;padding:22px 16px;z-index:40}
.fsc-brand{display:flex;align-items:center;gap:12px;padding:4px 8px 22px;border-bottom:1px solid var(--fs-line);margin-bottom:16px}
.fsc-brand__logo{width:54px;height:auto}
.fsc-brand__text{font-size:12px;line-height:1.25;color:var(--fs-muted);text-transform:uppercase;letter-spacing:.04em}
.fsc-brand__text b{color:var(--fs-teal)}
.fsc-nav{display:flex;flex-direction:column;gap:4px;flex:1}
.fsc-nav__item{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:10px;color:var(--fs-ink);font-weight:500;transition:.15s;border-left:3px solid transparent}
.fsc-nav__item i{font-size:20px;color:var(--c,var(--fs-teal));width:24px;text-align:center}
.fsc-nav__item:hover{background:var(--fs-bg)}
.fsc-nav__item.is-active{background:color-mix(in srgb,var(--c,var(--fs-teal)) 12%,#fff);border-left-color:var(--c,var(--fs-teal));font-weight:700}
.fsc-nav__logout{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:10px;color:var(--fs-muted);font-weight:500;margin-top:8px}
.fsc-nav__logout i{font-size:20px;width:24px;text-align:center}
.fsc-nav__logout:hover{background:#fff0f0;color:var(--fs-red)}
.fsc-sidebar-backdrop{display:none;position:fixed;inset:0;background:rgba(20,30,40,.5);z-index:39}

/* ---- Topbar ---- */
.fsc-topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:14px;background:#fff;border-bottom:1px solid var(--fs-line);padding:0 26px;height:64px}
.fsc-topbar__title{font-weight:700;font-size:18px;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fsc-topbar__user{display:flex;align-items:center;gap:8px;color:var(--fs-muted);font-weight:500}
.fsc-topbar__user i{font-size:24px;color:var(--fs-teal)}
.fsc-burger{display:none;background:none;border:0;font-size:26px;color:var(--fs-ink);cursor:pointer;padding:4px}

/* ---- Main ---- */
.fsc-main{flex:1;padding:28px 26px 40px;max-width:1240px;width:100%}
.fsc-dash__hello{color:var(--fs-muted);margin:0 0 22px;font-size:15px}

/* ---- Panels / sections ---- */
.fsc-panel{display:none;animation:fsc-fade .25s ease}
.fsc-panel.is-active{display:block}
@keyframes fsc-fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.fsc-panel__head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.fsc-panel__head i{font-size:26px;color:var(--c,var(--fs-teal))}
.fsc-panel__head h2{font-size:22px}
.fsc-panel__intro{color:var(--fs-muted);margin:0 0 22px;max-width:760px}

/* ---- Cards ---- */
.fsc-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.fsc-card{position:relative;background:var(--fs-card);border:1px solid var(--fs-line);border-radius:var(--fs-radius);padding:22px;display:flex;flex-direction:column;transition:.18s;overflow:hidden}
.fsc-card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--c,var(--fs-teal));opacity:.85}
.fsc-card:hover{transform:translateY(-3px);box-shadow:var(--fs-shadow);border-color:color-mix(in srgb,var(--c,var(--fs-teal)) 40%,var(--fs-line))}
.fsc-card__icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--c,var(--fs-teal)) 12%,#fff);margin-bottom:14px}
.fsc-card__icon i{font-size:26px;color:var(--c,var(--fs-teal))}
.fsc-card__title{font-size:16px;margin-bottom:6px}
.fsc-card__desc{color:var(--fs-muted);font-size:13.5px;flex:1;margin:0 0 16px}
.fsc-card__btn{display:inline-flex;align-items:center;gap:6px;color:var(--c,var(--fs-teal));font-weight:700;font-size:14px}
.fsc-card__btn i{transition:.15s}
.fsc-card:hover .fsc-card__btn i{transform:translateX(3px)}

/* ---- Buttons ---- */
.fsc-btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:10px;font-weight:600;font-size:14px;cursor:pointer;border:1px solid var(--fs-line);background:#fff;color:var(--fs-ink);transition:.15s}
.fsc-btn:hover{background:var(--fs-bg)}
.fsc-btn--primary{background:var(--fs-teal);border-color:var(--fs-teal);color:#fff}
.fsc-btn--primary:hover{background:var(--fs-teal-d)}
.fsc-btn:disabled{opacity:.55;cursor:not-allowed}

/* ---- Footer ---- */
.fsc-footer{margin-top:auto;border-top:1px solid var(--fs-line);background:#fff;padding:18px 26px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}
.fsc-footer__links{display:flex;flex-wrap:wrap;gap:18px}
.fsc-dl{display:inline-flex;align-items:center;gap:7px;color:var(--fs-teal);font-weight:500;font-size:14px}
.fsc-dl i{font-size:18px}
.fsc-footer__copy{color:var(--fs-muted);font-size:13px}

/* ---- Support ---- */
.fsc-support{display:grid;grid-template-columns:1.6fr 1fr;gap:22px;align-items:start}
.fsc-chat{background:#fff;border:1px solid var(--fs-line);border-radius:var(--fs-radius);overflow:hidden}
.fsc-chat__head{background:var(--fs-green);color:#fff;padding:14px 18px;font-weight:700;display:flex;align-items:center;gap:8px}
.fsc-chat__head span{margin-left:auto;font-size:12px;font-weight:500;opacity:.9}
.fsc-chat__body{padding:18px;min-height:220px;background:var(--fs-bg)}
.fsc-msg{max-width:80%;padding:11px 15px;border-radius:12px;font-size:14px;margin-bottom:10px}
.fsc-msg--bot{background:#fff;border:1px solid var(--fs-line)}
.fsc-chat__form{display:flex;gap:8px;padding:14px;border-top:1px solid var(--fs-line)}
.fsc-chat__form input{flex:1;padding:11px 14px;border:1px solid var(--fs-line);border-radius:10px;font-size:14px}
.fsc-support__contact{background:#fff;border:1px solid var(--fs-line);border-radius:var(--fs-radius);padding:22px}
.fsc-support__contact h3{font-size:17px;margin-bottom:4px}
.fsc-support__hours{color:var(--fs-muted);font-size:13px;margin:0 0 16px}
.fsc-expert__name{font-weight:700;font-size:16px}
.fsc-expert__role{color:var(--fs-muted);font-size:13px;margin-bottom:14px}
.fsc-support__links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.fsc-support__links li{display:flex;align-items:center;gap:10px}
.fsc-support__links i{font-size:19px;color:var(--fs-teal)}

/* ---- Auth (login/register) ---- */
#fsc-auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(900px 600px at 100% 0,#e8f2f6,transparent),var(--fs-bg)}
.fsc-auth__main{width:100%;max-width:430px}
.fsc-auth__card{background:#fff;border:1px solid var(--fs-line);border-radius:18px;box-shadow:var(--fs-shadow);padding:30px}
.fsc-auth__brand{display:flex;align-items:center;gap:14px;justify-content:center;margin-bottom:22px;text-align:center;color:var(--fs-muted);text-transform:uppercase;font-size:13px;letter-spacing:.04em}
.fsc-auth__brand img{width:58px}
.fsc-auth__brand b{color:var(--fs-teal)}
.fsc-auth__tabs{display:flex;background:var(--fs-bg);border-radius:10px;padding:4px;margin-bottom:22px}
.fsc-auth__tabs button{flex:1;padding:10px;border:0;background:none;border-radius:8px;font-weight:600;color:var(--fs-muted);cursor:pointer}
.fsc-auth__tabs button.is-active{background:#fff;color:var(--fs-teal);box-shadow:var(--fs-shadow)}
.fsc-auth__form{display:flex;flex-direction:column;gap:14px}
.fsc-auth__form label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--fs-muted)}
.fsc-auth__form input[type=text],.fsc-auth__form input[type=email],.fsc-auth__form input[type=tel],.fsc-auth__form input[type=password]{padding:12px 14px;border:1px solid var(--fs-line);border-radius:10px;font-size:15px;color:var(--fs-ink)}
.fsc-auth__form input:focus{outline:none;border-color:var(--fs-blue);box-shadow:0 0 0 3px color-mix(in srgb,var(--fs-blue) 22%,transparent)}
.fsc-auth__remember{flex-direction:row!important;align-items:center;gap:8px!important;font-weight:500!important}
.fsc-auth__lost{text-align:center;color:var(--fs-muted);font-size:13px}
.fsc-auth__msg{background:#eef6f9;color:var(--fs-teal-d);border-radius:10px;padding:11px 14px;font-size:13px}
.fsc-auth__msg.is-err{background:#fdecec;color:#c0392b}
.fsc-auth__verify{background:var(--fs-bg);border-radius:10px;padding:14px}
.fsc-auth__verify-title{font-size:13px;font-weight:600;color:var(--fs-muted);margin-bottom:10px}
.fsc-radio{flex-direction:row!important;align-items:center;gap:10px!important;padding:9px 0;font-weight:500!important;color:var(--fs-ink)!important;cursor:pointer}
.fsc-radio span{display:inline-flex;align-items:center;gap:8px}
.fsc-radio i{font-size:18px;color:var(--fs-teal)}
.fsc-auth__note{font-size:12px;color:var(--fs-muted);text-align:center;margin:0}

/* ---- Calculator page ---- */
.fsc-calc-page{max-width:920px}
.fsc-back{display:inline-flex;align-items:center;gap:6px;color:var(--fs-muted);font-weight:500;font-size:14px;margin-bottom:16px}
.fsc-back:hover{color:var(--fs-teal)}
.fsc-calc-bar{background:var(--fs-teal);color:#fff;font-weight:700;text-align:center;padding:16px 20px;border-radius:var(--fs-radius) var(--fs-radius) 0 0;text-transform:uppercase;letter-spacing:.02em}
.fsc-calc-box{background:#fff;border:1px solid var(--fs-line);border-top:0;border-radius:0 0 var(--fs-radius) var(--fs-radius);padding:26px}
.fsc-calc-box .calc_container{max-width:none;padding:0}
.fsc-calc-box .row{align-items:center;margin-bottom:14px}
.fsc-calc-box label{font-weight:500;font-size:14px}
.fsc-calc-box input,.fsc-calc-box select{width:100%;padding:9px 12px;border:1px solid var(--fs-line);border-radius:8px;font-size:15px;background:#fffdf3}
.fsc-calc-box input[disabled]{background:#eef6f9;color:var(--fs-teal-d);font-weight:700}
.fsc-calc-box h2{font-size:18px;color:var(--fs-teal);text-align:center;margin:18px 0}
.fsc-calc-box hr{border:0;border-top:1px solid var(--fs-line);margin:18px 0}
.fsc-calc-desc{background:#fff;border:1px solid var(--fs-line);border-radius:var(--fs-radius);padding:24px;margin-top:18px}
.fsc-calc-desc img,.fsc-calc-desc iframe{max-width:100%}

/* ---- Content page ---- */
.fsc-page{max-width:900px}
.fsc-content{background:#fff;border:1px solid var(--fs-line);border-radius:var(--fs-radius);padding:28px;margin-bottom:18px}
.fsc-content--page{border-top:0;border-radius:0 0 var(--fs-radius) var(--fs-radius);margin-top:0}
.fsc-content--page img,.fsc-content--page iframe{max-width:100%}
.fsc-content--page iframe{width:100%;aspect-ratio:16/9;height:auto;border:0;border-radius:8px}
.fsc-content--page h2,.fsc-content--page h3{margin:18px 0 10px;color:var(--fs-ink)}
.fsc-content--page a{color:var(--fs-teal);font-weight:500}
.fsc-content--page ul{padding-left:20px}

/* ---- Responsive ---- */
@media(max-width:980px){
	.fsc-support{grid-template-columns:1fr}
}
@media(max-width:860px){
	.fsc-wrap{margin-left:0}
	.fsc-sidebar{transform:translateX(-100%);transition:transform .25s ease;box-shadow:var(--fs-shadow)}
	body.fsc-nav-open .fsc-sidebar{transform:none}
	body.fsc-nav-open .fsc-sidebar-backdrop{display:block}
	.fsc-burger{display:block}
}
@media(max-width:560px){
	.fsc-main{padding:20px 16px 32px}
	.fsc-topbar{padding:0 16px}
	.fsc-cards{grid-template-columns:1fr}
}