/* IHR · Кабінет · Brand Book v3.0 */
/* =========================================================================
   IHR — Student Dashboard · v2 (UA/EN)
   Дизайн-система: IHR Brand Book v3.0. Один файл + папка content/ зі
   сторінками плейбуків (webp). Клієнтська навігація, i18n-словник,
   рідер посторінково. Без бекенду: auth / entitlements / оплата — окремий
   шар, місця під'єднання позначені коментарями "BACKEND:".

   Золото: один золотий елемент на екран. Активний пункт панелі — Ink.
   ========================================================================= */
:root{
  --ink:#171717;--bone:#F3EFE6;--paper:#FBFAF6;--gold:#B48A47;--slate:#6C7480;--steel:#AAB2BB;
  --link:#315E75;--success:#2E6A4D;--warning:#8B641C;--error:#9B3F3F;
  --gold-10:rgba(180,138,71,.10);--gold-22:rgba(180,138,71,.22);--ink-06:rgba(23,23,23,.06);--ink-14:rgba(23,23,23,.14);
  --sidebar-w:264px;--topbar-h:64px;
  --serif:"Lora",Georgia,"Times New Roman",serif;
  --sans:"Helvetica Neue",Arial,"Segoe UI",Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"Courier New",monospace;
  --radius:10px;--radius-sm:7px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--serif);font-weight:600;margin:0;line-height:1.14;letter-spacing:-.01em}
a{color:var(--link);text-decoration:none}
button{font-family:var(--sans);cursor:pointer}
svg{display:block}
.eyebrow{font-family:var(--mono);text-transform:uppercase;letter-spacing:.16em;font-size:11px;color:var(--slate);font-weight:500}

/* ---------- каркас ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);flex:0 0 var(--sidebar-w);background:var(--paper);border-right:1px solid var(--ink-14);display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;height:100vh;z-index:40;transition:transform .22s ease}
.brand{display:flex;align-items:center;gap:11px;padding:20px 22px 18px;border-bottom:1px solid var(--ink-06);color:var(--ink)}
.brand .wordmark{font-family:var(--serif);font-size:15px;line-height:1.15;font-weight:600}
.brand .wordmark span{display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;color:var(--slate);text-transform:uppercase;font-weight:500;margin-top:3px}
.nav{padding:14px 12px;flex:1 1 auto;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:12px;width:100%;padding:10px 12px;border:0;background:transparent;color:var(--ink);font-size:14.5px;text-align:left;border-radius:var(--radius-sm);position:relative;margin-bottom:2px}
.nav-item:hover{background:var(--ink-06)}
.nav-item .ico{flex:0 0 20px;color:var(--slate)}
.nav-item.active{background:var(--bone);font-weight:500}
.nav-item.active .ico{color:var(--ink)}
.nav-item.active::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;background:var(--ink);border-radius:2px}
.nav-item .badge{margin-left:auto;font-family:var(--mono);font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);border:1px solid var(--gold-22);padding:2px 6px;border-radius:20px}
.sidebar-foot{border-top:1px solid var(--ink-06);padding:14px 16px;display:flex;align-items:center;gap:11px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--ink);color:var(--paper);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:14px;flex:0 0 auto}
.sidebar-foot .who{min-width:0}
.sidebar-foot .who b{display:block;font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-foot .who small{display:block;color:var(--slate);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logout{margin-left:auto;background:transparent;border:0;color:var(--slate);padding:6px;border-radius:6px}
.logout:hover{background:var(--ink-06);color:var(--ink)}

.main{margin-left:var(--sidebar-w);flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.burger{display:none;background:transparent;border:0;padding:6px;color:var(--ink)}
.burger.fab{position:fixed;top:12px;left:12px;z-index:30;background:var(--paper);border:1px solid var(--ink-14);border-radius:8px}
.lang-row{padding:12px 22px 0}
.view{padding:40px 36px 70px;max-width:1080px;width:100%}
.view[hidden]{display:none}

/* ---------- перемикач мов ---------- */
.seg{display:inline-flex;border:1px solid var(--ink-14);border-radius:8px;overflow:hidden;background:var(--paper)}
.seg button{border:0;background:transparent;padding:6px 12px;font-size:12.5px;color:var(--slate);font-family:var(--mono);letter-spacing:.08em}
.seg button.on{background:var(--ink);color:var(--paper)}

/* ---------- компоненти ---------- */
.page-head{margin-bottom:26px}
.page-head h1{font-size:30px;margin-top:6px}
.page-head p.lede{color:var(--slate);margin:8px 0 0;max-width:62ch}
.grid{display:grid;gap:18px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--paper);border:1px solid var(--ink-14);border-radius:var(--radius);padding:22px}
.card.bone{background:var(--bone);border-color:transparent}
.continue{display:flex;gap:24px;align-items:stretch;background:var(--ink);color:var(--paper);border-radius:var(--radius);overflow:hidden}
.continue .body{padding:26px 28px;flex:1 1 auto}
.continue .eyebrow{color:var(--steel)}
.continue h3{color:var(--paper);font-size:23px;margin:10px 0 6px}
.continue p{color:var(--steel);margin:0 0 20px;font-size:14.5px;max-width:46ch}
.continue .cover{flex:0 0 240px;background:linear-gradient(180deg,rgba(251,250,246,.10),rgba(251,250,246,.03));display:flex;align-items:center;justify-content:center;padding:22px 30px}
.continue .cover img{width:100%;max-width:150px;box-shadow:0 0 0 1px rgba(251,250,246,.14),0 12px 36px rgba(0,0,0,.55);pointer-events:none;-webkit-user-drag:none}
.btn{display:inline-flex;align-items:center;gap:9px;padding:11px 18px;border-radius:8px;font-size:14px;font-weight:500;border:1px solid transparent;text-decoration:none}
.btn-gold{background:var(--gold);color:#1c1305}
.btn-ink{background:var(--ink);color:var(--paper)}
.btn-ink:hover{background:#000}
.btn-ghost{background:transparent;border-color:var(--ink-14);color:var(--ink)}
.btn-ghost:hover{background:var(--ink-06)}
.btn-onink{background:var(--paper);color:var(--ink)}
.btn-onink:hover{background:var(--bone)}
.btn[disabled]{opacity:.45;cursor:default}
.material{display:flex;flex-direction:column;overflow:hidden;padding:0}
.material .thumb{aspect-ratio:16/10;background:var(--bone);border-bottom:1px solid var(--ink-06);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.material .thumb img{width:62%;box-shadow:0 8px 24px rgba(23,23,23,.14);transform:translateY(14%);pointer-events:none;-webkit-user-drag:none}
.material .thumb.course{background:#171717}
.material .thumb.course img{width:100%;transform:none;box-shadow:none}
.material .thumb.locked img{filter:blur(6px);opacity:.85}
.material .thumb .lock{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.material .thumb .lock svg{filter:drop-shadow(0 2px 6px rgba(0,0,0,.35))}
.material .meta{padding:16px 18px 18px}
.material h3{font-size:17px;margin-top:8px}
.material .sub{color:var(--slate);font-size:13px;margin:5px 0 0}
.progress{height:4px;background:var(--ink-06);border-radius:3px;overflow:hidden}
.progress>i{display:block;height:100%;background:var(--ink)}
.progress-label{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--slate);margin-top:7px;text-transform:uppercase}
.material .foot{padding:0 18px 18px;margin-top:auto}
.announce{border:1px dashed var(--ink-14);border-radius:var(--radius);padding:40px 34px;background:var(--bone)}
.announce .eyebrow{margin-bottom:12px}
.announce h2{font-size:24px;max-width:24ch}
.announce p{color:var(--slate);max-width:56ch;margin:12px 0 22px}
.announce .status-line{margin:0;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--warning)}
.interest{display:flex;gap:10px;max-width:440px;flex-wrap:wrap}
.interest input{flex:1 1 220px;padding:11px 14px;border:1px solid var(--ink-14);border-radius:8px;font-family:var(--sans);font-size:14px;background:var(--paper);color:var(--ink)}
.interest input:focus{outline:2px solid var(--ink);outline-offset:1px}
.split{display:grid;grid-template-columns:1.3fr 1fr;gap:24px}
.options{border-top:1px solid var(--ink-06)}
.opt{border-bottom:1px solid var(--ink-06)}
.opt-head{display:flex;align-items:center;gap:12px;width:100%;padding:14px 4px;background:transparent;border:0;text-align:left;color:var(--ink);font-size:15px;font-family:var(--serif);font-weight:600}
.opt-head .price{margin-left:auto;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--slate);font-weight:500}
.opt-head .chev{flex:0 0 auto;color:var(--slate);transition:transform .15s}
.opt.open .opt-head .chev{transform:rotate(180deg)}
.opt-body{display:none;padding:0 4px 16px;color:var(--slate);font-size:14px}
.opt.open .opt-body{display:block}
.opt-body p{margin:0 0 10px}
.opt-body ul{margin:0;padding-left:18px}
.opt-body li{margin-bottom:4px}
.booked{background:var(--bone);border-radius:var(--radius);padding:18px 22px;margin-bottom:22px}
.booked p{margin:8px 0 0;font-size:15px}
.settings-row{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--ink-06)}
.settings-row:last-child{border-bottom:0}
.settings-row .lbl{flex:0 0 220px}
.settings-row .lbl b{display:block;font-size:14.5px}
.settings-row .lbl small{color:var(--slate);font-size:12.5px}
.settings-row .val{flex:1 1 auto;color:var(--slate);font-size:14px}
.pill{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;background:var(--bone)}
.pill.on{background:var(--gold-10);color:var(--warning)}
.device{display:flex;align-items:center;gap:12px;padding:12px 0;font-size:13.5px;border-bottom:1px solid var(--ink-06)}
.device:last-child{border:0}
.device .dot{width:8px;height:8px;border-radius:50%;background:var(--success)}

/* ---------- рідер ---------- */
.reader{position:fixed;inset:0;z-index:60;background:var(--bone);display:none;flex-direction:column}
.reader.open{display:flex}
.reader-top{height:56px;flex:0 0 56px;display:flex;align-items:center;gap:14px;padding:0 18px;border-bottom:1px solid var(--ink-14);background:var(--paper)}
.reader-top .r-title{font-family:var(--serif);font-size:15px;font-weight:600;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.reader-top .r-title small{display:block;font-family:var(--mono);font-size:9px;letter-spacing:.14em;color:var(--slate);text-transform:uppercase;font-weight:500}
.reader-top .spacer{flex:1}
.pagecount{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--slate);white-space:nowrap}
.reader-progress{flex:0 0 120px}
.icon-btn{background:transparent;border:1px solid var(--ink-14);border-radius:7px;padding:7px 9px;color:var(--ink);display:inline-flex;align-items:center;gap:6px;font-size:13px}
.icon-btn:hover{background:var(--ink-06)}
.icon-btn[disabled]{opacity:.35;cursor:default}
.reader-body{flex:1;display:flex;min-height:0}
.chapters{flex:0 0 280px;border-right:1px solid var(--ink-14);overflow-y:auto;padding:18px 12px 30px;background:var(--paper)}
.chapters .eyebrow{padding:0 10px 10px}
.chapter{display:flex;gap:8px;width:100%;text-align:left;border:0;background:transparent;color:var(--ink);padding:8px 10px;border-radius:6px;font-size:13.5px;margin-bottom:1px;line-height:1.35;align-items:baseline}
.chapter:hover{background:var(--ink-06)}
.chapter.active{background:var(--bone);font-weight:500}
.chapter .num{font-family:var(--mono);font-size:10px;color:var(--slate);letter-spacing:.1em;flex:0 0 22px}
.chapter .pg{margin-left:auto;font-family:var(--mono);font-size:10px;color:var(--slate)}
.chapter.sub{padding-left:40px;font-size:12.5px;color:var(--slate)}
.chapter.sub.active{color:var(--ink)}
.reader-scroll{flex:1;overflow:auto;position:relative;padding:28px 20px 60px}
.stage{position:relative;margin:0 auto;width:min(100%,var(--pagew));transition:width .15s}
.stage .loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--slate);font-family:var(--mono);font-size:12px;letter-spacing:.1em}
.watermark{position:absolute;inset:0;pointer-events:none;z-index:5;background-image:var(--wm);background-repeat:repeat}
.stage .pg-img{width:100%;display:block;box-shadow:0 10px 40px rgba(23,23,23,.16);background:#fff;pointer-events:none;-webkit-user-drag:none;user-select:none;margin-bottom:18px}
.chapters-extra{margin-top:14px;padding-top:12px;border-top:1px solid var(--ink-06)}
.chapter.extra span small{display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;color:var(--slate);text-transform:uppercase;margin-top:2px}
.chapter.stage .num{flex-basis:56px}
.page-nav{display:flex;justify-content:center;gap:10px;margin:22px auto 0;width:min(100%,var(--pagew))}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--paper);padding:12px 20px;border-radius:8px;font-size:13.5px;opacity:0;pointer-events:none;transition:.25s;z-index:80}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.scrim{display:none;position:fixed;inset:0;background:rgba(23,23,23,.4);z-index:35}
.scrim.show{display:block}

@media(max-width:900px){.grid.cols-3{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr}.continue{flex-direction:column}.continue .cover{flex-basis:120px;width:100%}.settings-row{flex-wrap:wrap}.settings-row .lbl{flex-basis:100%}}
@media(max-width:720px){
  .sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}
  .main{margin-left:0}.burger{display:block}
  .grid.cols-2,.grid.cols-3{grid-template-columns:1fr}.view{padding:64px 18px 60px}
  .chapters{position:absolute;z-index:6;height:100%;transform:translateX(-100%);transition:.2s;box-shadow:0 0 40px rgba(0,0,0,.12)}.chapters.open{transform:translateX(0)}
  .reader-progress{display:none}.reader-scroll{padding:14px 10px 50px}.r-title{display:none}#zoomSeg{display:none}.seg{flex:0 0 auto}
}
@media print{body *{visibility:hidden !important}body::after{visibility:visible;content:attr(data-print);position:fixed;inset:0;display:flex;align-items:center;justify-content:center;font-family:Arial,sans-serif;font-size:16px;color:#171717;padding:40px;text-align:center}}

/* ---------- v5 additions ---------- */
.nav-item{text-decoration:none}.sidebar .brand{text-decoration:none;color:var(--ink)}
.sidebar-lang{padding:12px 16px 0;border-top:1px solid var(--ink-06)}
.sidebar-foot{border-top:0}
.reader-top .r-mark{width:22px;color:var(--ink);flex:0 0 auto}
.announce h2.oneline{max-width:none}
.announce.split-img{display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:center}
.announce .blur img{width:100%;border-radius:8px;filter:blur(2.5px);opacity:.92;pointer-events:none;-webkit-user-drag:none}
.course-list{margin-top:26px}
.course-row{display:grid;grid-template-columns:44px 1fr auto;gap:16px;align-items:baseline;padding:16px 4px;border-top:1px solid var(--ink-06)}
.course-row:last-child{border-bottom:1px solid var(--ink-06)}
.course-row .num{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--slate)}
.course-row .name{font-family:var(--serif);font-size:17px;font-weight:600}
.course-row .type{display:inline-block;margin-top:5px;font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--slate);border:1px solid var(--ink-14);padding:2px 7px;border-radius:3px}
.course-row .status{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--slate)}
.who{align-self:start}
.who ul{list-style:none;margin:12px 0 0;padding:0}
.who li{padding:10px 0;border-top:1px solid var(--ink-06)}
.who li b{display:block;font-size:14.5px}.who li span{font-size:13px;color:var(--slate)}
.set-rule{font-size:12.5px;color:var(--slate);margin:10px 0 0}
.community{margin-top:34px;background:var(--ink);color:var(--paper);border-radius:var(--radius);padding:26px 28px}
.community .eyebrow{color:var(--steel)}.community h3{color:var(--paper);font-size:20px;margin:10px 0 6px}.community p{color:var(--steel);margin:0;font-size:14.5px;max-width:64ch}
/* v6 */
.page-head p.lede{max-width:none}
@media(min-width:900px){.page-head p.lede.oneline{white-space:nowrap}}
.material .thumb.course img{filter:blur(2.5px);opacity:.9}
.material .thumb .lock,.blur .lock{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.material .thumb .lock svg,.blur .lock svg{filter:drop-shadow(0 2px 8px rgba(0,0,0,.45))}
.blur{position:relative}
@media(max-width:720px){.zoomctl{display:none}}
.zoomctl{display:inline-flex;align-items:center;gap:8px}
.zoomctl input[type=range]{width:110px;accent-color:var(--ink)}
.zoomval{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--slate);min-width:38px}
/* рідер: скрол усієї книги */
.stage .pg-img{width:100%;display:block;box-shadow:0 10px 40px rgba(23,23,23,.16);background:#fff;pointer-events:none;-webkit-user-drag:none;user-select:none;margin-bottom:18px}
.chapters-extra{margin-top:14px;padding-top:12px;border-top:1px solid var(--ink-06)}
.chapter.extra span small{display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;color:var(--slate);text-transform:uppercase;margin-top:2px}
.chapter.stage .num{flex-basis:56px}
.chapter .tog{margin-left:6px;flex:0 0 auto;color:var(--slate);transition:transform .15s;display:inline-flex}
.cgroup.open>.chapter .tog{transform:rotate(180deg)}
.cgroup .subs{display:none}.cgroup.open .subs{display:block}
.watermark{position:absolute;inset:0;pointer-events:none;z-index:5;background-image:var(--wm);background-repeat:repeat}

/* back to the public site — under the logo */
.back-site{display:block;padding:10px 22px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--slate);text-decoration:none;border-bottom:1px solid var(--ink-06)}
.back-site:hover{color:var(--ink)}

/* favourites block on the library page */
.fav-row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--ink-06)}.fav-row:last-child{border-bottom:0}
.fav-row>div{flex:1 1 auto;min-width:0}.fav-row b{display:block;font-family:var(--serif);font-size:16px;margin-top:4px}
.fav-x{background:transparent;border:0;color:var(--slate);font-size:20px;line-height:1;padding:4px 8px;cursor:pointer}.fav-x:hover{color:var(--ink)}

/* profile drawer — opened from the user block in the sidebar */
.sidebar-foot .avatar,.sidebar-foot .who{cursor:pointer}
.sidebar-foot .who:hover b{text-decoration:underline}
.profile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(560px,100vw);background:var(--bone,#F3EFE6);border-left:1px solid var(--ink-14);z-index:60;overflow-y:auto;padding:26px 28px 32px;transform:translateX(100%);transition:transform .24s ease}
.profile-drawer.open{transform:translateX(0)}
.profile-scrim{z-index:55}
.pd-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:18px}
.pd-head h2{font-family:var(--serif);font-size:26px;margin:6px 0 0}
.pd-close{background:transparent;border:0;color:var(--slate);padding:6px;cursor:pointer}.pd-close:hover{color:var(--ink)}
.pd-user{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.avatar.big{width:48px;height:48px;font-size:20px}
.pd-user b{display:block;font-size:16px}.pd-user small{display:block;color:var(--slate);font-size:13px}
.pd-foot{display:flex;gap:10px;margin-top:22px}
.profile-drawer .settings-row .lbl{flex-basis:150px}

/* account modal */
.acct-modal{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);width:min(440px,calc(100vw - 32px));background:var(--paper);border-top:2px solid var(--ink);padding:26px 26px 22px;z-index:91}
.acct-modal h3{font-family:var(--serif);font-weight:500;font-size:22px;margin:0 0 14px}
.acct-f{display:block;margin:0 0 12px}.acct-f input{width:100%;box-sizing:border-box;padding:12px 14px;border:1px solid var(--ink);background:var(--paper);font:inherit;font-size:15px}
.acct-f small{display:block;font-size:12.5px;color:var(--slate);margin-top:6px}
.acct-err{color:#9a2f1f;font-size:13.5px;margin:4px 0 0;min-height:18px}
.acct-btns{display:flex;gap:10px;margin-top:10px}

/* v12: dark card (Brain Workout) */
.card.ink{background:var(--ink);color:var(--paper);border-color:var(--ink)}.card.ink h3{color:var(--paper)}