:root{--bg:#f3f6fa;--card:#fff;--ink:#122033;--muted:#6c7a8d;--line:#dce3ec;--navy:#10243f;--navy2:#1d395d;--accent:#2b74c8;--accent2:#61a4ed;--ok:#16865b;--danger:#b64040;--shadow:0 12px 32px rgba(18,32,51,.08);--radius:18px}*{box-sizing:border-box}html{font-family:Inter,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--ink)}body{margin:0;background:var(--bg)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.topbar{height:76px;background:linear-gradient(180deg,#183552,#10243f);color:#fff;display:flex;align-items:center;padding:0 32px;gap:34px;box-shadow:0 4px 18px rgba(0,0,0,.13);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:12px;min-width:285px}.brand-mark{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;font-weight:900;font-size:22px;background:linear-gradient(145deg,#76b6f2,#2c73be);box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 6px 14px rgba(0,0,0,.18)}.brand strong{font-size:17px;letter-spacing:.12em}.brand small{display:block;color:#b8c9da;font-size:11px;margin-top:2px}.topnav{display:flex;align-items:center;gap:6px;flex:1}.topnav a{padding:10px 14px;border-radius:10px;color:#c8d5e3;font-weight:600;font-size:14px}.topnav a:hover,.topnav a.active{background:rgba(255,255,255,.1);color:#fff}.userbox{display:flex;align-items:center;gap:12px;font-size:14px}.userbox a{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.08)}.page{max-width:1500px;margin:0 auto;padding:34px 36px 60px}.footer{max-width:1500px;margin:0 auto 28px;padding:0 36px;color:#8692a1;font-size:12px;display:flex;justify-content:space-between}.hero-panel{background:linear-gradient(120deg,#10243f 0%,#1b416b 62%,#2c70ae 100%);border-radius:24px;padding:32px 36px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:32px;box-shadow:var(--shadow);overflow:hidden;position:relative}.hero-panel:after{content:"";position:absolute;width:290px;height:290px;border-radius:50%;background:rgba(255,255,255,.06);right:-70px;top:-120px}.eyebrow{text-transform:uppercase;letter-spacing:.15em;font-size:11px;font-weight:800;color:#6f8eac;margin-bottom:7px}.hero-panel .eyebrow{color:#a9c7e5}.hero-panel h1,.section-head h1{margin:0 0 8px;font-size:31px;line-height:1.1}.hero-panel p,.section-head p{margin:0;color:#c6d6e7}.section-head p{color:var(--muted)}.hero-search{display:flex;align-items:center;background:#fff;border-radius:14px;padding:5px 5px 5px 14px;width:min(610px,48%);z-index:1}.hero-search span{color:#7a8796;font-size:24px}.hero-search input{border:0;outline:0;padding:12px 10px;flex:1;min-width:0}.hero-search button{border:0;background:#2b74c8;color:#fff;padding:12px 18px;border-radius:10px;font-weight:700;cursor:pointer}.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0 30px}.stat{background:#fff;border:1px solid var(--line);border-radius:15px;padding:15px 18px;display:flex;align-items:baseline;gap:9px}.stat strong{font-size:25px}.stat span{color:var(--muted);font-size:13px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:28px 0 16px}.section-head h2{margin:0 0 4px}.section-head.compact{margin-top:32px}.head-actions{display:flex;gap:10px}.tile-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.module-tile{min-height:155px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:start;box-shadow:0 5px 20px rgba(18,32,51,.04);transition:.16s}.module-tile:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#c5d4e5}.tile-icon{width:50px;height:50px;border-radius:15px;background:#edf4fc;display:grid;place-items:center;font-size:25px}.tile-content h3{margin:3px 0 7px;font-size:17px}.tile-content p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}.tile-meta{height:100%;display:flex;flex-direction:column;align-items:flex-end;justify-content:space-between;color:#94a1b1}.tile-meta strong{font-size:18px;color:#355b84}.module-tile.presentation{background:linear-gradient(135deg,#fff,#f2f7ff);border-color:#cfe0f4}.module-tile.presentation .tile-icon{background:#dcecff}.module-tile.organize .tile-icon{background:#f2edf9}.recent-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.recent-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;display:flex;gap:12px;align-items:center}.recent-card>span{font-size:22px}.recent-card strong,.recent-card small{display:block}.recent-card small{color:var(--muted);margin-top:4px}.btn{border:0;border-radius:11px;padding:11px 15px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px}.btn.primary{background:linear-gradient(180deg,#347fce,#2365ad);color:#fff;box-shadow:0 6px 14px rgba(43,116,200,.2)}.btn.secondary{background:#eaf2fb;color:#245f9f}.btn.ghost{background:#fff;border:1px solid var(--line);color:#536274}.btn.wide{width:100%;padding:13px}.btn.small{padding:8px 11px;font-size:12px}.filterbar{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid var(--line);padding:12px;border-radius:16px;margin-bottom:14px}.search-input{display:flex;align-items:center;flex:1;min-width:230px;border:1px solid #d8e0e9;background:#fafcff;border-radius:11px;padding-left:12px}.search-input span{font-size:22px;color:#8b98a8}.search-input input{border:0;background:transparent;outline:0;padding:10px;width:100%}.filterbar select{border:1px solid #d8e0e9;background:#fff;border-radius:11px;padding:10px 12px;min-width:155px}.data-card,.editor-card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 7px 25px rgba(18,32,51,.04)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px}th{text-align:left;color:#6d7c8e;font-size:11px;text-transform:uppercase;letter-spacing:.05em;background:#f8fafc;padding:12px 13px;border-bottom:1px solid var(--line);white-space:nowrap}td{padding:12px 13px;border-bottom:1px solid #edf1f5;vertical-align:middle}tr:last-child td{border-bottom:0}tr:hover td{background:#fbfdff}.icon-cell{font-size:20px;width:38px}.fav{color:#e5a72c;margin-left:6px}.actions{white-space:nowrap;text-align:right}.actions a,.icon-btn{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;background:#f0f5fb;margin-left:4px;color:#355e8a}.empty{text-align:center;padding:54px 20px;color:var(--muted)}.empty>div{font-size:42px}.empty h3{color:var(--ink);margin-bottom:5px}.editor-card{padding:24px}.editor-card.narrow{max-width:620px}.editor-card h2{margin-top:0}.form-grid{display:grid;gap:17px}.form-grid.two{grid-template-columns:1fr 1fr}.span-2{grid-column:1/-1}label{font-size:13px;font-weight:700;color:#425266;display:block}label input,label select,label textarea{width:100%;margin-top:7px;border:1px solid #d4dde7;border-radius:11px;padding:11px 12px;background:#fff;outline:none;color:#182538}label input:focus,label select:focus,label textarea:focus{border-color:#6da8e5;box-shadow:0 0 0 3px rgba(60,131,205,.1)}.check{display:flex;align-items:center;gap:9px;font-weight:600}.check input{width:auto;margin:0}.upload-box{background:#f8fbff;border:1px dashed #a9bfd7;border-radius:14px;padding:16px}.upload-box input{border:0;padding-left:0}.upload-box small{display:block;color:var(--muted);margin-top:4px;font-weight:400}.editor-actions{display:flex;justify-content:flex-end;gap:10px;border-top:1px solid var(--line);margin-top:24px;padding-top:18px}.alert{padding:12px 14px;border-radius:12px;margin-bottom:14px;font-weight:650;font-size:13px}.alert.success{background:#e7f7ef;color:#116842;border:1px solid #b9e6cf}.alert.error{background:#fff0f0;color:#9a3434;border:1px solid #efcaca}.presentation-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.presentation-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;position:relative;box-shadow:0 5px 18px rgba(18,32,51,.04);min-width:0}.presentation-preview{position:relative;display:block;aspect-ratio:16/9;background:#e7edf4;border-bottom:1px solid var(--line);overflow:hidden}.presentation-preview img{width:100%;height:100%;object-fit:cover;display:block}.preview-fallback{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:linear-gradient(145deg,#f7f9fc,#e9eef5);color:#7d8a99;text-align:center;padding:20px;font-size:11px}.ppt-icon{width:48px;height:48px;border-radius:13px;background:linear-gradient(145deg,#d95738,#b63422);color:#fff;display:grid;place-items:center;font-size:23px;font-weight:900}.ppt-icon.large{width:62px;height:62px;border-radius:16px;font-size:28px}.preview-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:rgba(12,29,49,.86);color:#fff;border-radius:999px;padding:9px 13px;font-size:12px;font-weight:800;opacity:0;transition:.16s;box-shadow:0 5px 18px rgba(0,0,0,.22)}.presentation-preview:hover .preview-play{opacity:1}.presentation-preview:hover img{filter:brightness(.8)}.presentation-body{padding:15px 16px 7px;min-height:115px}.presentation-body h3{margin:7px 0;font-size:15px;line-height:1.3}.presentation-body p{margin:0 0 8px;color:var(--muted);font-size:12px}.presentation-body small{color:#8a98a8}.card-tags{display:flex;gap:6px;flex-wrap:wrap}.card-tags span{background:#edf4fb;color:#42668c;border-radius:999px;padding:4px 8px;font-size:10px;font-weight:700}.presentation-actions{display:flex;justify-content:flex-end;align-items:center;gap:6px;padding:10px 14px 14px;margin-top:auto}.presentation-actions .icon-btn{margin-left:0}.import-panel{display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px;background:#eef6ff;border:1px solid #bed8f1;border-radius:15px;padding:14px 16px;margin-bottom:14px}.import-panel p{margin:4px 0 0;color:#5c7189}.progress{grid-column:1/-1;height:8px;background:#d6e5f4;border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;width:0;background:#2d77c5;transition:width .2s}.preview-info{display:flex;align-items:flex-start;gap:12px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:13px 15px;margin-bottom:14px;color:#536274}.preview-info>span{width:34px;height:34px;border-radius:10px;background:#eaf2fb;color:#245f9f;display:grid;place-items:center;font-weight:900}.preview-info strong{display:block;color:#24384f;font-size:13px;margin-top:1px}.preview-info p{margin:3px 0 0;font-size:12px;line-height:1.45}.login-body,.install-body{min-height:100vh;background:radial-gradient(circle at 15% 15%,#294c73 0,#10243f 42%,#0a192c 100%);display:grid;place-items:center;padding:30px}.login-shell{width:min(1040px,100%);display:grid;grid-template-columns:1.2fr .8fr;background:#fff;border-radius:28px;overflow:hidden;box-shadow:0 25px 70px rgba(0,0,0,.32)}.login-brand{padding:64px 58px;color:#fff;background:linear-gradient(145deg,#173654,#10243f);position:relative;overflow:hidden}.login-brand:after{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(255,255,255,.08);border-radius:50%;right:-170px;bottom:-150px}.brand-mark.hero{width:66px;height:66px;border-radius:20px;font-size:34px;margin-bottom:34px}.login-brand .eyebrow{color:#8eb9e1}.login-brand h1{font-size:46px;letter-spacing:.15em;margin:6px 0 14px}.login-brand p{max-width:480px;color:#b9cce0;font-size:17px;line-height:1.6}.login-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px}.login-pills span{font-size:12px;padding:8px 10px;border-radius:999px;background:rgba(255,255,255,.08);color:#d4e0eb}.login-card{padding:64px 50px;align-self:center}.login-card h2{font-size:28px;margin:0 0 7px}.login-card>p{color:var(--muted);margin:0 0 28px}.login-card label{margin-bottom:16px}.install-shell{width:min(850px,100%)}.install-hero{display:flex;align-items:center;gap:18px;color:#fff;margin-bottom:18px;padding:0 6px}.brand-mark.large{width:58px;height:58px;font-size:30px}.install-hero h1{margin:2px 0 0;letter-spacing:.12em}.install-hero p{margin:4px 0 0;color:#bed0e2}.install-hero .eyebrow{color:#85acd3}.install-card{background:#fff;border-radius:22px;padding:28px;box-shadow:0 20px 55px rgba(0,0,0,.25)}.install-card.center{text-align:center;padding:48px}.install-card h2{margin:0 0 16px;font-size:18px}.install-card h2:not(:first-child){margin-top:25px}.install-note{background:#f1f6fb;border-radius:12px;padding:14px;margin:20px 0;color:#586b80;font-size:13px;line-height:1.55}code{background:#e8eef5;border-radius:5px;padding:2px 5px}.form-grid.two+.check{margin-top:13px}@media(max-width:1050px){.tile-grid{grid-template-columns:repeat(2,1fr)}.presentation-grid{grid-template-columns:repeat(2,1fr)}.hero-panel{align-items:stretch;flex-direction:column}.hero-search{width:100%}.topnav{display:none}.topbar{padding:0 18px}.brand{min-width:0}.userbox{margin-left:auto}.page{padding:24px 18px 50px}.stats-row{grid-template-columns:repeat(2,1fr)}}@media(max-width:720px){.login-shell{grid-template-columns:1fr}.login-brand{padding:36px 30px}.login-card{padding:36px 30px}.login-brand h1{font-size:34px}.login-pills{display:none}.form-grid.two{grid-template-columns:1fr}.span-2{grid-column:auto}.tile-grid,.presentation-grid,.recent-grid{grid-template-columns:1fr}.stats-row{grid-template-columns:1fr 1fr}.filterbar{align-items:stretch;flex-direction:column}.filterbar select{width:100%}.section-head{align-items:flex-start;flex-direction:column}.head-actions{flex-wrap:wrap}.brand small{display:none}.footer{padding:0 18px}.hero-panel{padding:26px 22px}}
.btn:disabled{opacity:.52;cursor:not-allowed;box-shadow:none}.import-files-list{display:grid;gap:9px;margin:16px 0 22px}.import-files-list>div{display:grid;grid-template-columns:30px 1fr auto;align-items:center;gap:9px;padding:10px 12px;border:1px solid var(--line);border-radius:11px;background:#f9fbfd}.import-files-list span{font-size:19px}.import-files-list strong{font-size:13px}.import-files-list em{font-style:normal;font-size:11px;font-weight:800;border-radius:999px;padding:5px 8px}.import-files-list em.ok{background:#e7f7ef;color:#116842}.import-files-list em.missing{background:#fff0f0;color:#9a3434}

/* =========================================================
   SYLWIA v0.1.1.1 — Compact Preview Cards
   Czytelniejsze kafelki prezentacji: mniejsze miniatury,
   mocniejsza ramka i większe odstępy między kartami.
   ========================================================= */
.presentation-grid{
    gap:22px;
}
.presentation-card{
    border:2px solid #c7d2df;
    border-radius:19px;
    box-shadow:0 8px 24px rgba(18,32,51,.09);
    transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease;
}
.presentation-card:hover{
    border-color:#8fb5dc;
    box-shadow:0 13px 30px rgba(18,32,51,.13);
    transform:translateY(-2px);
}
.presentation-preview{
    height:180px;
    aspect-ratio:auto;
    padding:10px;
    background:#eef2f6;
    border-bottom:2px solid #d4dde7;
    display:flex;
    align-items:center;
    justify-content:center;
}
.presentation-preview img{
    width:100%;
    height:100%;
    object-fit:contain;
    background:#fff;
    border-radius:10px;
    box-shadow:0 2px 9px rgba(18,32,51,.08);
}
.presentation-preview:hover img{
    filter:brightness(.88);
}
.preview-fallback{
    width:100%;
    border-radius:10px;
}
.presentation-body{
    padding:16px 17px 8px;
    min-height:122px;
}
.presentation-body h3{
    font-size:16px;
    margin:8px 0 6px;
}
.presentation-actions{
    padding:10px 16px 15px;
    border-top:1px solid #edf1f5;
}
@media(max-width:1050px){
    .presentation-grid{gap:18px;}
    .presentation-preview{height:170px;}
}
@media(max-width:720px){
    .presentation-preview{height:190px;}
}


/* =========================================================
   SYLWIA v0.1.2.2b — czyste narożniki ekranu logowania
   ========================================================= */
.login-shell{
    border-radius:18px;
    overflow:hidden;
    isolation:isolate;
    background:#fff;
}
.login-brand{
    border-radius:18px 0 0 18px;
    overflow:hidden;
}
.login-card{
    position:relative;
    z-index:1;
    background:#fff;
    border-radius:0 18px 18px 0;
}
.login-brand::after{
    pointer-events:none;
}
@media(max-width:720px){
    .login-shell{
        border-radius:18px;
    }
    .login-brand{
        border-radius:18px 18px 0 0;
    }
    .login-card{
        border-radius:0 0 18px 18px;
    }
}


/* =========================================================
   SYLWIA v0.1.2.2c — wyśrodkowanie ekranu logowania
   ========================================================= */
html, body.login-body{
    width:100%;
    min-height:100%;
}
body.login-body{
    min-height:100vh;
    margin:0;
    display:grid;
    place-items:center;
    padding:30px;
}
.login-shell{
    margin:auto;
}
@media(max-width:720px){
    body.login-body{
        padding:18px;
    }
}

/* =========================================================
   SYLWIA v0.1.2.2d — usunięcie białych prześwitów w rogach
   Zaokrąglenie i clipping wykonuje wyłącznie .login-shell.
   Wewnętrzne panele nie mają własnych promieni narożników.
   ========================================================= */
.login-shell{
    border-radius:18px;
    overflow:hidden;
    isolation:isolate;
    background:transparent;
    border:0;
    outline:0;
}
.login-brand,
.login-card{
    border-radius:0 !important;
}
.login-brand{
    margin:0;
    background:linear-gradient(145deg,#173654,#10243f);
}
.login-card{
    margin:0;
    background:#fff;
}
@media(max-width:720px){
    .login-brand,
    .login-card{
        border-radius:0 !important;
    }
}

/* =========================================================
   SYLWIA v0.1.2.3 — dashboard klas + ikony statystyk
   ========================================================= */
.stats-row .stat{
    min-height:78px;
    padding:13px 18px;
    align-items:center;
    gap:14px;
    overflow:hidden;
    position:relative;
}
.stat-icon{
    width:48px;
    height:48px;
    flex:0 0 48px;
    border-radius:14px;
    display:grid;
    place-items:center;
    background:linear-gradient(145deg,#eef5fd,#dcecff);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.8);
}
.stat-icon svg{
    width:27px;
    height:27px;
    fill:#2b74c8;
    stroke:none;
}
.stat-icon svg .stat-icon-detail{
    fill:none;
    stroke:#fff;
    stroke-width:1.7;
    stroke-linecap:round;
    stroke-linejoin:round;
}
.stat-copy{
    display:flex;
    align-items:baseline;
    gap:9px;
    min-width:0;
}
.stat-copy strong{font-size:26px;line-height:1}
.stat-copy span{color:var(--muted);font-size:13px}
.stat-presentations .stat-icon{background:linear-gradient(145deg,#e8f4ff,#d5e9ff)}
.stat-presentations .stat-icon svg{fill:#367bbf}
.stat-tests .stat-icon{background:linear-gradient(145deg,#edf8f2,#d9f0e4)}
.stat-tests .stat-icon svg{fill:#23865f}
.stat-favorites .stat-icon{background:linear-gradient(145deg,#fff7df,#ffedb5)}
.stat-favorites .stat-icon svg{fill:#e6a51f}

.class-grid .class-tile{
    min-height:132px;
    align-items:center;
    background:linear-gradient(135deg,#fff 0%,#fbfdff 100%);
}
.class-grid .class-tile:hover{
    border-color:#a9c8e8;
    background:linear-gradient(135deg,#fff 0%,#f3f8ff 100%);
}
.class-grid .class-icon{
    width:56px;
    height:56px;
    border-radius:17px;
    background:linear-gradient(145deg,#e7f1fc,#d3e6fa);
    color:#245f9f;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.85);
}
.class-grid .class-icon span{
    font-size:17px;
    font-weight:900;
    letter-spacing:-.03em;
}
.class-grid .tile-content h3{margin-top:0;font-size:18px}
.class-grid .tile-content p{max-width:230px}
.class-grid .tile-meta strong{
    min-width:36px;
    height:28px;
    padding:0 9px;
    border-radius:999px;
    display:grid;
    place-items:center;
    background:#edf4fb;
    color:#315d8a;
    font-size:14px;
}

@media(max-width:720px){
    .stats-row .stat{min-height:72px;padding:11px 13px;gap:10px}
    .stat-icon{width:42px;height:42px;flex-basis:42px;border-radius:12px}
    .stat-icon svg{width:24px;height:24px}
    .stat-copy{display:block}
    .stat-copy strong,.stat-copy span{display:block}
    .stat-copy strong{font-size:23px;margin-bottom:3px}
}

/* =========================================================
   SYLWIA v0.1.2.5 — przebudowa kafelka prezentacji
   ========================================================= */
.presentation-grid{
    gap:22px;
}
.presentation-card.improved-card{
    border-radius:22px;
    overflow:hidden;
    border:1px solid #cfdbe8;
    box-shadow:0 10px 26px rgba(18,32,51,.06);
    transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.presentation-card.improved-card:hover{
    transform:translateY(-3px);
    border-color:#afc7e1;
    box-shadow:0 18px 36px rgba(18,32,51,.11);
}
.presentation-preview.improved-preview{
    position:relative;
    display:block;
    aspect-ratio:16/9;
    background:linear-gradient(145deg,#eef3f8,#dbe6f1);
    border-bottom:1px solid #dbe5ef;
    isolation:isolate;
}
.presentation-preview.improved-preview .preview-backdrop{
    position:absolute;
    inset:0;
    background-size:cover;
    background-position:center;
    transform:scale(1.12);
    filter:blur(18px) saturate(1.05);
    opacity:.8;
}
.presentation-preview.improved-preview::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(11,26,43,.14) 0%,rgba(11,26,43,.02) 38%,rgba(11,26,43,.20) 100%);
    z-index:1;
    pointer-events:none;
}
.presentation-preview.improved-preview .preview-shot{
    position:absolute;
    inset:14px;
    width:calc(100% - 28px);
    height:calc(100% - 28px);
    object-fit:contain;
    border-radius:14px;
    box-shadow:0 10px 26px rgba(18,32,51,.18);
    background:#fff;
    z-index:2;
}
.presentation-preview.improved-preview:hover .preview-shot{
    transform:scale(1.015);
    transition:transform .18s ease;
}
.preview-topbar{
    position:absolute;
    left:12px;
    right:12px;
    top:12px;
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:8px;
    z-index:3;
}
.preview-badge-group{
    display:flex;
    flex-wrap:wrap;
    justify-content:flex-end;
    gap:6px;
}
.preview-badge{
    display:inline-flex;
    align-items:center;
    gap:5px;
    border-radius:999px;
    padding:6px 10px;
    font-size:11px;
    font-weight:800;
    line-height:1;
    background:rgba(255,255,255,.9);
    color:#24486f;
    box-shadow:0 4px 12px rgba(18,32,51,.12);
    backdrop-filter:blur(8px);
}
.preview-badge.subject-generic{background:rgba(255,255,255,.92);color:#4a6078}
.preview-badge.subject-geografia,.preview-badge.subject-geografia{background:rgba(227,240,255,.94);color:#245f9f}
.preview-badge.subject-biologia{background:rgba(228,245,235,.95);color:#1e7b53}
.preview-badge.subject-chemia{background:rgba(255,239,222,.96);color:#b76a18}
.preview-badge.subject-historia{background:rgba(238,231,250,.95);color:#6b4bb4}
.preview-badge.subject-matematyka{background:rgba(230,245,249,.95);color:#16708b}
.preview-badge.subject-fizyka{background:rgba(237,241,255,.95);color:#405fb7}
.preview-badge.subject-informatyka{background:rgba(231,246,244,.95);color:#0f7a73}
.preview-badge.neutral{background:rgba(255,255,255,.92);color:#54667c}
.preview-badge.favorite{background:rgba(255,247,210,.95);color:#a56e00}
.preview-play{
    position:absolute;
    left:50%;
    top:50%;
    transform:translate(-50%,-50%);
    background:rgba(11,28,47,.84);
    color:#fff;
    border-radius:999px;
    padding:11px 16px;
    font-size:12px;
    font-weight:800;
    letter-spacing:.01em;
    opacity:0;
    transition:opacity .16s ease, transform .16s ease;
    box-shadow:0 10px 24px rgba(0,0,0,.24);
    z-index:3;
}
.presentation-preview.improved-preview:hover .preview-play{
    opacity:1;
    transform:translate(-50%,-50%) scale(1.03);
}
.improved-fallback{
    position:absolute;
    inset:0;
    z-index:2;
    background:linear-gradient(145deg,#f7f9fc,#e7eef6);
    padding:24px;
}
.improved-fallback strong{
    font-size:15px;
    color:#30455c;
}
.improved-fallback span{
    max-width:230px;
    line-height:1.45;
}
.presentation-body.improved-body{
    padding:16px 18px 10px;
    min-height:126px;
}
.presentation-body.improved-body h3{
    margin:0 0 8px;
    font-size:17px;
    line-height:1.3;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
    min-height:44px;
}
.presentation-kind{
    margin:0 0 10px;
    color:#6d7f93;
    font-size:13px;
}
.presentation-meta-row{
    display:flex;
    flex-wrap:wrap;
    gap:8px 12px;
    color:#8695a5;
    font-size:12px;
}
.presentation-meta-row span{
    display:inline-flex;
    align-items:center;
    gap:6px;
}
.presentation-meta-row span::before{
    content:"•";
    color:#a6b3c1;
}
.presentation-meta-row span:first-child::before{
    content:"";
    display:none;
}
.presentation-actions.improved-actions{
    padding:0 18px 18px;
    gap:8px;
    justify-content:flex-start;
    align-items:center;
}
.action-soft{
    background:#eef4fb !important;
    color:#2d5f97 !important;
    border:1px solid #dbe7f3 !important;
    box-shadow:none !important;
}
.presentation-actions.improved-actions .btn.primary{
    min-width:98px;
}
.presentation-actions.improved-actions .icon-btn,
.presentation-actions.improved-actions .btn.small{
    min-height:36px;
}
.presentation-actions.improved-actions .icon-btn{
    border-radius:11px;
    padding:0 12px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
}
@media(max-width:1050px){
    .presentation-grid{gap:18px;}
}
@media(max-width:720px){
    .presentation-preview.improved-preview .preview-shot{inset:12px;width:calc(100% - 24px);height:calc(100% - 24px)}
    .preview-topbar{left:10px;right:10px;top:10px}
    .presentation-body.improved-body{min-height:auto}
    .presentation-actions.improved-actions{flex-wrap:wrap}
}

/* =========================================================
   SYLWIA v0.1.2.6 — układ Klasy -> Biblioteka
   ========================================================= */
.dashboard-classes-head{
    margin-top:30px;
}
.dashboard-class-grid{
    margin-bottom:32px;
}
.dashboard-class-grid .class-tile{
    min-height:132px;
    padding:20px 20px 18px;
}
.dashboard-class-grid .tile-content h3{
    font-size:18px;
    line-height:1.25;
    margin:0 0 6px;
}
.dashboard-class-grid .tile-content p{
    font-size:12px;
    line-height:1.5;
    max-width:235px;
}
.dashboard-class-grid .tile-meta{
    min-width:40px;
}
.dashboard-section-divider{
    height:0;
    margin:34px 0 28px;
    border-top:1px solid #183552;
    background:none;
    box-shadow:none;
}
.dashboard-library-head{
    margin-top:0;
}
.module-tile.organize .tile-meta strong{
    color:#6d5b86;
}
@media(max-width:1050px){
    .dashboard-section-divider{margin-left:0;margin-right:0}
}
@media(max-width:720px){
    .dashboard-class-grid .class-tile{min-height:118px}
    .dashboard-section-divider{height:0;margin-top:26px;margin-bottom:22px}
}


/* =========================================================
   SYLWIA v0.1.2.7 — korekta kafelków klas wg makiety
   ========================================================= */
.dashboard-class-grid .tile-content{min-width:0;}
.dashboard-class-grid .tile-content h3{font-size:17px;}
@media(min-width:1101px){
    .dashboard-class-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
    .dashboard-class-grid .tile-content h3{white-space:nowrap;}
}


/* =========================================================
   SYLWIA v0.1.2.8 — Optymalizator PPTX
   ========================================================= */
.module-tile.pptx_optimizer{background:linear-gradient(135deg,#fff 0%,#f5fbf8 100%);border-color:#d5e8df}
.module-tile.pptx_optimizer .tile-icon{background:linear-gradient(145deg,#e5f5ed,#d7eee3)}
.optimizer-head{align-items:center}
.optimizer-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:20px;align-items:start}
.optimizer-card,.optimizer-side,.optimizer-result-card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 10px 30px rgba(18,32,51,.05)}
.optimizer-card{padding:26px}
.optimizer-card-title{display:flex;gap:16px;align-items:flex-start;margin-bottom:22px}
.optimizer-card-title h2,.optimizer-side h3,.optimizer-result-card h2{margin:0 0 6px}
.optimizer-card-title p,.optimizer-side p,.optimizer-result-card p{margin:0;color:var(--muted);line-height:1.55}
.optimizer-big-icon{width:58px;height:58px;border-radius:17px;background:linear-gradient(145deg,#e6f3ff,#d9ebfd);display:grid;place-items:center;font-size:28px;flex:0 0 58px}
.optimizer-warning{display:flex;flex-direction:column;gap:5px;background:#fff5e8;border:1px solid #f0d4ad;color:#8a5a1e;padding:13px 15px;border-radius:13px;margin-bottom:18px}
.optimizer-warning span{font-size:12px}
.optimizer-form{display:flex;flex-direction:column;gap:20px}
.optimizer-dropzone{position:relative;border:2px dashed #b9cee4;background:#f8fbff;border-radius:18px;min-height:190px;padding:28px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;cursor:pointer;transition:.16s}
.optimizer-dropzone:hover{border-color:#5f99d3;background:#f3f8fe}
.optimizer-dropzone input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.optimizer-upload-icon{width:50px;height:50px;border-radius:15px;background:#e4f0fc;color:#2b74c8;display:grid;place-items:center;font-size:25px;margin-bottom:10px}
.optimizer-dropzone strong{font-size:18px}
.optimizer-dropzone small{color:var(--muted);margin:6px 0 10px}
.optimizer-filename{display:inline-flex;max-width:90%;padding:7px 12px;border-radius:999px;background:#eaf2fb;color:#315f91;font-size:12px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.optimizer-modes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.optimizer-mode{position:relative;border:1px solid #d8e1eb;border-radius:16px;padding:17px 16px 15px 46px;min-height:126px;cursor:pointer;background:#fff;display:flex;flex-direction:column;gap:5px;transition:.16s}
.optimizer-mode:hover{border-color:#a9c4e0;box-shadow:0 7px 18px rgba(18,32,51,.05)}
.optimizer-mode input{position:absolute;opacity:0;pointer-events:none}
.mode-check{position:absolute;left:16px;top:18px;width:20px;height:20px;border:2px solid #b8c6d5;border-radius:50%;background:#fff}
.optimizer-mode:has(input:checked){border-color:#6ea5dc;background:#f5f9fe;box-shadow:0 0 0 2px rgba(60,125,191,.08)}
.optimizer-mode:has(input:checked) .mode-check{border-color:#2b74c8;box-shadow:inset 0 0 0 4px #fff;background:#2b74c8}
.optimizer-mode strong{font-size:15px}
.optimizer-mode small{color:var(--muted);line-height:1.35}
.optimizer-mode em{font-style:normal;color:#718398;font-size:11px;margin-top:auto}
.optimizer-mode b{position:absolute;right:10px;top:10px;font-size:9px;letter-spacing:.08em;color:#1d6c4c;background:#ddf3e8;border-radius:999px;padding:4px 7px}
.optimizer-info-row{display:flex;flex-wrap:wrap;gap:9px 18px;color:#728196;font-size:12px;background:#f8fafc;border-radius:12px;padding:11px 13px}
.optimizer-info-row strong{color:#415a73}
.optimizer-submit{align-self:flex-start;min-width:250px;padding:13px 18px}
.optimizer-submit:disabled{opacity:.45;cursor:not-allowed}
.optimizer-progress{margin-top:18px;border-top:1px solid #edf1f5;padding-top:18px;display:flex;gap:14px;align-items:center}
.optimizer-progress[hidden]{display:none}
.optimizer-progress strong,.optimizer-progress span{display:block}
.optimizer-progress span{font-size:12px;color:var(--muted);margin-top:4px}
.optimizer-spinner{width:34px;height:34px;border:4px solid #dce8f4;border-top-color:#2b74c8;border-radius:50%;animation:optimizer-spin .8s linear infinite;flex:0 0 34px}
@keyframes optimizer-spin{to{transform:rotate(360deg)}}
.optimizer-side{padding:22px;position:sticky;top:96px}
.optimizer-step{display:flex;gap:11px;margin:16px 0;align-items:flex-start}
.optimizer-step>span{width:30px;height:30px;border-radius:10px;background:#eaf2fb;color:#2b6ba9;display:grid;place-items:center;font-weight:800;flex:0 0 30px}
.optimizer-step strong,.optimizer-step small{display:block}
.optimizer-step strong{font-size:13px;margin:1px 0 3px}
.optimizer-step small{color:var(--muted);font-size:11px;line-height:1.4}
.optimizer-note{margin-top:20px;background:linear-gradient(145deg,#edf8f2,#f8fcfa);border:1px solid #d5e8df;border-radius:15px;padding:15px}
.optimizer-note strong{color:#207150}.optimizer-note p{font-size:12px;margin-top:5px}
.optimizer-result-card{margin-top:22px;padding:24px}
.optimizer-result-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}
.optimizer-saving{min-width:94px;height:94px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(145deg,#e0f4e9,#d0ebdd);color:#1a7150}
.optimizer-saving strong{font-size:25px;line-height:1}.optimizer-saving span{font-size:11px;margin-top:5px;font-weight:700}
.optimizer-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0}
.optimizer-stats>div{background:#f7f9fc;border:1px solid #e4eaf1;border-radius:14px;padding:14px}
.optimizer-stats span,.optimizer-stats strong{display:block}.optimizer-stats span{font-size:11px;color:var(--muted);margin-bottom:5px}.optimizer-stats strong{font-size:19px;color:#254b73}
.optimizer-result-note{background:#fff8e9;color:#7b5b25;border:1px solid #f1dcad;padding:11px 13px;border-radius:12px;font-size:12px;margin-bottom:15px}
.optimizer-result-actions{display:flex;gap:10px;flex-wrap:wrap}
@media(max-width:1050px){.optimizer-layout{grid-template-columns:1fr}.optimizer-side{position:static}.optimizer-modes{grid-template-columns:1fr}.optimizer-stats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.optimizer-card,.optimizer-side,.optimizer-result-card{border-radius:17px}.optimizer-card{padding:18px}.optimizer-dropzone{min-height:160px;padding:20px}.optimizer-result-head{display:block}.optimizer-saving{margin-top:16px;width:82px;height:82px}.optimizer-stats{grid-template-columns:1fr 1fr}.optimizer-submit{width:100%;min-width:0}}

.module-tile.pptx_optimizer .tool-badge{font-size:9px;letter-spacing:.08em;color:#1d6c4c;background:#ddf3e8;border-radius:999px;padding:5px 7px;min-width:auto;height:auto;}

/* SYLWIA v0.1.2.10 — etapowy Optymalizator PPTX */
.optimizer-progress-body{flex:1;min-width:0}
.optimizer-progress-track{height:9px;background:#e6edf5;border-radius:999px;overflow:hidden;margin-top:11px}
.optimizer-progress-track i{display:block;height:100%;background:linear-gradient(90deg,#2b74c8,#55a0e9);border-radius:999px;transition:width .22s ease}
.optimizer-progress-body>small{display:block;text-align:right;font-weight:800;color:#315f91;margin-top:5px;font-size:11px}


/* =========================================================
   SYLWIA v0.1.2.11 — kosmetyka dashboardu + usuwanie materiałów
   ========================================================= */
.actions .inline-delete{display:inline-block;margin:0;padding:0;vertical-align:middle;}
.actions .delete-action{display:inline-grid;place-items:center;width:34px;height:34px;border:0;border-radius:9px;background:#fff0f0;margin-left:4px;color:#a83d3d;cursor:pointer;}
.actions .delete-action:hover{background:#ffe0e0;color:#8f2828;}

/* =========================================================
   SYLWIA v0.1.2.15 — sekcja Narzędzia + narzędzia PDF/obrazów
   ========================================================= */
.dashboard-tools-head{margin-top:0}
.tool-grid .tool-tile{min-height:132px}
.tool-grid .tile-meta{min-width:34px}
.module-tile.pdf_merge{background:linear-gradient(135deg,#fff 0%,#f7f8ff 100%);border-color:#dfe2f3}
.module-tile.pdf_merge .tile-icon{background:#eceefe}
.module-tile.images_pdf{background:linear-gradient(135deg,#fff 0%,#fffaf3 100%);border-color:#f0e1cb}
.module-tile.images_pdf .tile-icon{background:#fff0dc}
.module-tile.pdf_compressor{background:linear-gradient(135deg,#fff 0%,#f7fbff 100%);border-color:#d8e6f2}
.module-tile.pdf_compressor .tile-icon{background:#e5f1fb}
.module-tile.pdf_ocr{background:linear-gradient(135deg,#fff 0%,#fbf8ff 100%);border-color:#e4dced}
.module-tile.pdf_ocr .tile-icon{background:#f0e8f8}
.module-tile.image_converter{background:linear-gradient(135deg,#fff 0%,#fff8fb 100%);border-color:#eedce6}
.module-tile.image_converter .tile-icon{background:#fae9f1}
.toolkit-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:20px;align-items:start}
.toolkit-card,.toolkit-side{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 10px 30px rgba(18,32,51,.05)}
.toolkit-card{padding:26px}.toolkit-side{padding:22px;position:sticky;top:96px}
.toolkit-side h3{margin:0 0 10px}.toolkit-side>p{color:var(--muted);line-height:1.5}
.toolkit-form{display:flex;flex-direction:column;gap:18px}
.tool-file-list{display:flex;flex-direction:column;gap:8px}
.tool-file-row{display:grid;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px 12px;border:1px solid #e2e8ef;border-radius:12px;background:#fafbfd}
.tool-file-number{width:28px;height:28px;border-radius:8px;background:#e7f0fa;color:#2c68a5;display:grid;place-items:center;font-weight:800;font-size:12px}
.tool-file-name{min-width:0}.tool-file-name strong,.tool-file-name small{display:block}.tool-file-name strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.tool-file-name small{color:var(--muted);font-size:10px;margin-top:2px}
.tool-file-actions{display:flex;gap:5px}.tool-file-actions button{width:32px;height:32px;border:1px solid #d5e0eb;background:#eef4fa;color:#245f9e;border-radius:8px;cursor:pointer;font-weight:800}.tool-file-actions button:hover{background:#deebf7}.tool-file-actions button:disabled{opacity:.32;cursor:default}
.toolkit-field{display:flex;gap:12px;align-items:center;padding:13px 15px;border:1px solid #e1e7ee;border-radius:13px;background:#fafbfd}.toolkit-field>span{font-weight:800;font-size:12px;min-width:160px}.toolkit-field input[type=range]{flex:1}.toolkit-field output{font-size:12px;color:#315f91;font-weight:800;min-width:42px;text-align:right}
.toolkit-field select{flex:1;min-height:38px;border:1px solid #d5e0ea;border-radius:9px;background:#fff;padding:0 10px;color:#20364c}
.toolkit-options-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.toolkit-options-grid .toolkit-field{display:flex;flex-direction:column;align-items:stretch;gap:7px}.toolkit-options-grid .toolkit-field>span{min-width:0}.toolkit-options-grid .toolkit-wide{grid-column:1/-1;display:grid;grid-template-columns:180px 1fr 50px;align-items:center}
.toolkit-submit{align-self:flex-start;min-width:220px;padding:13px 18px}
.toolkit-engine{font-size:12px}.toolkit-engine-card{border:1px solid #d8e6df;background:#f4fbf7;border-radius:14px;padding:15px;display:flex;flex-direction:column;gap:4px;margin:12px 0}.toolkit-engine-card strong{color:#216a4d}.toolkit-engine-card span{font-size:11px;color:var(--muted)}.toolkit-engine-card.unavailable{background:#fff4f4;border-color:#efd3d3}.toolkit-engine-card.unavailable strong{color:#a23e3e}
@media(max-width:1050px){.toolkit-layout{grid-template-columns:1fr}.toolkit-side{position:static}}
@media(max-width:720px){.toolkit-card,.toolkit-side{border-radius:17px}.toolkit-card{padding:18px}.toolkit-options-grid{grid-template-columns:1fr}.toolkit-options-grid .toolkit-wide{grid-column:auto;display:flex}.toolkit-field{align-items:flex-start;flex-direction:column}.toolkit-field>span{min-width:0}.toolkit-submit{width:100%}.tool-file-row{grid-template-columns:28px minmax(0,1fr)}.tool-file-actions{grid-column:2;justify-content:flex-end}}


/* =========================================================
   SYLWIA v0.1.2.16 — logo MK + przycisk na dół strony
   ========================================================= */
html{scroll-behavior:smooth}
.brand-logo-wrap{
    width:42px;height:42px;flex:0 0 42px;
    display:grid;place-items:center;
}
.brand-logo{
    display:block;width:42px;height:42px;object-fit:contain;
    border-radius:11px;
    filter:drop-shadow(0 4px 8px rgba(0,0,0,.16));
}
.login-logo-wrap{
    width:72px;height:68px;
    margin-bottom:32px;
    display:flex;align-items:center;justify-content:flex-start;
}
.login-logo{
    display:block;width:68px;height:68px;object-fit:contain;
    border-radius:16px;
    filter:drop-shadow(0 8px 16px rgba(0,0,0,.2));
}
.scroll-bottom-btn{
    position:fixed;
    top:92px;
    right:24px;
    z-index:18;
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:10px 13px;
    border:1px solid #d5e0eb;
    border-radius:12px;
    background:rgba(255,255,255,.96);
    color:#315f91;
    font-size:12px;
    font-weight:800;
    box-shadow:0 8px 22px rgba(18,32,51,.10);
    backdrop-filter:blur(7px);
    transition:.16s ease;
}
.scroll-bottom-btn span{font-size:16px;line-height:1}
.scroll-bottom-btn:hover{
    transform:translateY(-1px);
    background:#eef5fc;
    border-color:#bdd0e4;
    box-shadow:0 10px 25px rgba(18,32,51,.14);
}
@media(max-width:1700px){
    .scroll-bottom-btn{right:14px;top:86px;padding:9px 10px}
}
@media(max-width:1050px){
    .scroll-bottom-btn{position:static;margin:-8px 0 16px auto;width:max-content;display:flex}
}


/* v0.1.2.17 — podgląd obrazów w Obrazy → PDF */
.tool-file-list.has-image-previews{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:12px}
.tool-file-row.tool-file-row-image{grid-template-columns:82px 30px minmax(0,1fr);grid-template-rows:auto auto;gap:8px 10px;padding:10px;align-items:center;min-height:104px;background:#fff}
.tool-file-preview{grid-row:1/3;width:82px;height:82px;border-radius:10px;background:#eef3f8;border:1px solid #dbe4ed;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.tool-file-preview img{max-width:70px;max-height:70px;object-fit:contain;transition:transform .18s ease;transform-origin:center center}
.tool-file-row-image .tool-file-number{align-self:center}
.tool-file-row-image .tool-file-name{align-self:end}
.tool-file-row-image .tool-file-actions{grid-column:2/4;grid-row:2;justify-content:flex-end;align-self:end}
.tool-file-row-image .tool-file-name small{font-size:10px}
.browser-ocr-progress{margin-top:22px}
@media(max-width:720px){
  .tool-file-list.has-image-previews{grid-template-columns:1fr}
  .tool-file-row.tool-file-row-image{grid-template-columns:72px 28px minmax(0,1fr)}
  .tool-file-preview{width:72px;height:72px}
  .tool-file-preview img{max-width:62px;max-height:62px}
  .tool-file-row-image .tool-file-actions{grid-column:2/4}
}

/* v0.1.2.20 - usuwanie prezentacji z kafelka */
.presentation-delete-form{display:inline-flex;margin:0;}
.presentation-delete{display:inline-grid;place-items:center;width:34px;height:34px;border:1px solid #f1caca;border-radius:9px;background:#fff0f0;color:#a83d3d;cursor:pointer;transition:.15s;}
.presentation-delete:hover{background:#ffe0e0;color:#8f2828;border-color:#e9b1b1;}


/* SYLWIA v0.1.2.21 — identyczne separatory sekcji */

/* SYLWIA v0.1.2.22 — Cięcie PDF */
.module-tile.pdf_cutter{background:linear-gradient(135deg,#fff 0%,#fffaf6 100%);border-color:#eadfd5}
.module-tile.pdf_cutter .tile-icon{background:#fff0e4}
.toolkit-field input[type=number]{width:100%;min-height:42px;border:1px solid #d5e0ea;border-radius:9px;background:#fff;padding:0 12px;color:#20364c;font:inherit}