*{box-sizing:border-box}
:root{
    --bg:#f5f7fb;
    --panel:#ffffff;
    --text:#172033;
    --muted:#697386;
    --line:#e5e9f0;
    --accent:#4f46e5;
    --accent-2:#3730a3;
    --danger:#dc2626;
    --shadow:0 12px 35px rgba(20,32,51,.08);
    font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
body{margin:0;background:var(--bg);color:var(--text);min-height:100vh}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.app-shell{display:grid;grid-template-columns:270px minmax(0,1fr);min-height:100vh}
.sidebar{background:#111827;color:#fff;padding:28px 20px;display:flex;flex-direction:column;gap:28px;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,#818cf8,#4f46e5);display:grid;place-items:center;font-weight:800}
.brand strong,.brand span{display:block}
.brand span{font-size:12px;color:#9ca3af;margin-top:2px}
.primary,.secondary{border:0;border-radius:12px;padding:12px 16px;font-weight:700}
.primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(79,70,229,.24)}
.primary:hover{background:var(--accent-2)}
.secondary{background:#eef1f6;color:var(--text)}
.wide{width:100%}
.category-nav{display:flex;flex-direction:column;gap:5px;overflow:auto}
.category-item{display:flex;align-items:center;justify-content:space-between;width:100%;border:0;background:transparent;color:#cbd5e1;padding:11px 12px;border-radius:10px;text-align:left}
.category-item:hover,.category-item.active{background:#1f2937;color:#fff}
.category-item b{font-size:12px;background:#374151;border-radius:20px;min-width:25px;padding:3px 7px;text-align:center}
.storage-card{margin-top:auto;border:1px solid #374151;border-radius:14px;padding:15px;background:#182132}
.storage-card span,.storage-card small{display:block;color:#9ca3af}
.storage-card strong{display:block;font-size:20px;margin:7px 0 2px}
.main{padding:38px clamp(22px,4vw,64px) 70px;min-width:0}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:20px}
.eyebrow{font-size:11px;letter-spacing:.16em;color:var(--accent);font-weight:800;margin:0 0 7px}
h1{font-size:clamp(28px,4vw,42px);line-height:1.08;margin:0}
h2,h3,p{margin-top:0}
.mobile-upload{display:none}
.toolbar{display:grid;grid-template-columns:minmax(0,1fr) 190px;gap:12px;margin:30px 0 18px}
.search{background:var(--panel);border:1px solid var(--line);border-radius:13px;display:flex;align-items:center;gap:10px;padding:0 15px}
.search span{font-size:24px;color:var(--muted);transform:rotate(-20deg)}
.search input{width:100%;border:0;outline:0;background:transparent;padding:14px 0}
select,input,textarea{border:1px solid var(--line);border-radius:11px;background:#fff;padding:12px;outline:none;color:var(--text)}
select:focus,input:focus,textarea:focus{border-color:#a5b4fc;box-shadow:0 0 0 3px rgba(79,70,229,.1)}
.drop-zone{border:2px dashed #c7cde0;background:rgba(255,255,255,.55);border-radius:16px;padding:18px 22px;display:flex;align-items:center;justify-content:center;gap:14px;color:var(--muted);transition:.2s}
.drop-zone:hover,.drop-zone.dragover{border-color:var(--accent);background:#eef2ff}
.drop-zone strong,.drop-zone span{display:block}
.drop-zone strong{color:var(--text)}
.drop-icon{font-size:28px;color:var(--accent)}
.section-heading{display:flex;justify-content:space-between;align-items:end;margin:32px 0 15px}
.section-heading h2{margin:0 0 3px;font-size:21px}
.section-heading span{font-size:13px;color:var(--muted)}
.view-switch{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.view-switch button{border:0;background:#fff;padding:8px 12px;color:var(--muted)}
.view-switch button.active{background:#eef2ff;color:var(--accent)}
.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.file-grid.list-view{display:flex;flex-direction:column}
.file-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:0 7px 24px rgba(20,32,51,.035);position:relative;min-width:0;transition:.18s}
.file-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.file-preview{height:135px;border-radius:12px;background:#f0f2f7;display:grid;place-items:center;overflow:hidden;margin-bottom:13px}
.file-preview img{width:100%;height:100%;object-fit:cover}
.file-icon{font-size:44px}
.file-card h3{
    font-size:15px;
    line-height:1.38;
    white-space:normal;
    overflow:visible;
    text-overflow:clip;
    overflow-wrap:anywhere;
    word-break:break-word;
    margin:0 32px 8px 0
}
.file-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--muted);font-size:12px}
.category-pill{background:#eef2ff;color:#4338ca;padding:4px 8px;border-radius:20px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:130px}
.card-menu{position:absolute;right:11px;top:154px;border:0;width:30px;height:30px;border-radius:9px;background:#f1f3f7;color:#485267}
.card-actions{display:flex;gap:8px;margin-top:13px}
.card-actions a,.card-actions button{flex:1;text-align:center;border:0;border-radius:9px;padding:8px;text-decoration:none;font-size:13px;font-weight:700}
.card-actions a{background:#eef2ff;color:var(--accent)}
.card-actions button{background:#f3f4f6;color:#374151}
.list-view .file-card{display:grid;grid-template-columns:58px minmax(0,1fr) auto auto;align-items:center;gap:14px;padding:10px 14px}
.list-view .file-preview{width:58px;height:48px;margin:0;border-radius:8px}
.list-view .file-icon{font-size:28px}
.list-view .card-menu{display:none}
.list-view .card-actions{margin:0;min-width:170px}
.list-view .file-meta{justify-content:flex-start}
.empty-state{text-align:center;padding:70px 20px;color:var(--muted)}
.empty-state div{font-size:54px}
.empty-state h3{color:var(--text);margin:12px 0 5px}
.hidden{display:none!important}
dialog{border:0;border-radius:19px;padding:0;width:min(580px,calc(100% - 30px));box-shadow:0 30px 90px rgba(15,23,42,.25)}
dialog::backdrop{background:rgba(15,23,42,.55);backdrop-filter:blur(3px)}
dialog form{padding:25px}
.dialog-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px}
.dialog-head h2{margin:0}
.icon-button{border:0;background:#eef1f6;border-radius:10px;width:36px;height:36px;font-size:24px}
.upload-picker{border:2px dashed #cbd2e3;border-radius:15px;padding:25px;text-align:center;display:block;margin-bottom:18px;cursor:pointer;background:#f8f9fc}
.upload-picker:hover{border-color:var(--accent)}
.upload-picker input{display:none}
.upload-picker span,.upload-picker strong,.upload-picker small{display:block}
.upload-picker-icon{font-size:34px;color:var(--accent)}
.upload-picker small{
    color:var(--muted);
    margin-top:5px;
    white-space:normal;
    overflow:visible;
    text-overflow:clip;
    overflow-wrap:anywhere;
    word-break:break-word
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:700}
.form-grid .full{grid-column:1/-1}
textarea{resize:vertical}
.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}
.dialog-actions.split{justify-content:space-between;align-items:center}
.dialog-actions.split>div{display:flex;gap:10px}
.danger-text{border:0;background:transparent;color:var(--danger);font-weight:700}
.progress-wrap{margin-top:17px}
.progress-track{height:9px;background:#e7e9ef;border-radius:10px;overflow:hidden}
.progress-track span{display:block;width:0;height:100%;background:var(--accent);transition:.2s}
.progress-wrap small{display:block;color:var(--muted);margin-top:5px}
.toast{position:fixed;right:22px;bottom:22px;background:#111827;color:#fff;border-radius:12px;padding:13px 17px;box-shadow:var(--shadow);transform:translateY(120px);opacity:0;transition:.25s;z-index:100}
.toast.show{transform:translateY(0);opacity:1}
.toast.error{background:#991b1b}
@media(max-width:850px){
    .app-shell{display:block}
    .sidebar{position:static;height:auto;padding:16px;flex-direction:row;align-items:center}
    .sidebar>.wide,.category-nav,.storage-card{display:none}
    .brand{flex:1}
    .main{padding:25px 16px 60px}
    .mobile-upload{display:block}
}
@media(max-width:600px){
    .toolbar{grid-template-columns:1fr}
    .drop-zone{align-items:flex-start}
    .file-grid{grid-template-columns:1fr 1fr;gap:10px}
    .file-card{padding:10px}
    .file-preview{height:100px}
    .card-menu{top:115px}
    .list-view .file-card{grid-template-columns:48px minmax(0,1fr)}
    .list-view .file-preview{width:48px}
    .list-view .file-meta{grid-column:2}
    .list-view .card-actions{grid-column:1/-1;width:100%}
    .form-grid{grid-template-columns:1fr}
    .form-grid .full{grid-column:auto}
    .dialog-actions.split{align-items:stretch;flex-direction:column-reverse}
    .dialog-actions.split>div{display:grid;grid-template-columns:1fr 1fr}
}


/* Autenticação */
.sidebar-bottom{margin-top:auto}
.sidebar-bottom .storage-card{margin-top:0}
.account-links{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:10px}
.account-links a{color:#cbd5e1;text-decoration:none;font-size:12px;text-align:center;padding:9px 6px;border:1px solid #374151;border-radius:9px}
.account-links a:hover{color:#fff;background:#1f2937}
.mobile-actions{display:flex;align-items:center;gap:9px}
.mobile-logout{display:none;width:42px;height:42px;border-radius:11px;background:#fff;border:1px solid var(--line);place-items:center;text-decoration:none;color:var(--text);font-weight:800}

.login-page{background:#eef1f7;min-height:100vh}
.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(360px, .95fr) minmax(440px,1.05fr)}
.login-visual{background:
    radial-gradient(circle at 15% 15%,rgba(129,140,248,.38),transparent 35%),
    radial-gradient(circle at 80% 80%,rgba(59,130,246,.22),transparent 32%),
    linear-gradient(145deg,#111827,#182340 60%,#25245c);
    color:#fff;padding:clamp(28px,5vw,70px);display:flex;flex-direction:column;position:relative;overflow:hidden}
.login-visual::after{content:"";position:absolute;width:330px;height:330px;border:1px solid rgba(255,255,255,.09);border-radius:50%;right:-120px;top:22%;box-shadow:0 0 0 55px rgba(255,255,255,.025),0 0 0 110px rgba(255,255,255,.018)}
.login-brand{display:flex;align-items:center;gap:12px;position:relative;z-index:1}
.login-brand strong,.login-brand span{display:block}
.login-brand span{font-size:12px;color:#aeb8ca}
.login-copy{margin:auto 0;max-width:570px;position:relative;z-index:1}
.eyebrow.light{color:#a5b4fc}
.login-copy h1{font-size:clamp(37px,5vw,65px);max-width:650px}
.login-copy>p:last-child{color:#cbd5e1;font-size:17px;line-height:1.7;max-width:530px;margin-top:22px}
.login-feature{display:flex;align-items:center;gap:13px;padding:16px;border:1px solid rgba(255,255,255,.12);border-radius:14px;background:rgba(255,255,255,.055);max-width:530px;position:relative;z-index:1}
.login-feature>span{width:34px;height:34px;border-radius:50%;background:#4f46e5;display:grid;place-items:center;font-weight:900}
.login-feature strong,.login-feature small{display:block}
.login-feature small{color:#b8c1d1;line-height:1.45;margin-top:3px}
.login-panel{display:grid;place-items:center;padding:30px}
.login-card{width:min(440px,100%);background:#fff;border:1px solid var(--line);border-radius:21px;padding:clamp(27px,5vw,45px);box-shadow:0 25px 70px rgba(31,41,55,.11)}
.login-card h2{font-size:31px;margin:0 0 8px}
.login-subtitle{color:var(--muted);line-height:1.55;margin-bottom:25px}
.login-alert,.success-alert{border-radius:11px;padding:12px 14px;font-size:13px;margin-bottom:18px}
.login-alert{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}
.success-alert{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}
.password-field{display:block;font-size:13px;font-weight:750}
.password-field>span{display:block;margin-bottom:7px}
.password-field>div{display:flex;align-items:center;border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden}
.password-field>div:focus-within{border-color:#a5b4fc;box-shadow:0 0 0 3px rgba(79,70,229,.1)}
.password-field input{border:0;box-shadow:none!important;flex:1;min-width:0}
.password-field button{border:0;background:transparent;padding:12px 14px}
.remember-check{display:flex;gap:11px;align-items:flex-start;margin:18px 0 22px;cursor:pointer}
.remember-check input{width:18px;height:18px;margin:2px 0 0;accent-color:var(--accent)}
.remember-check span,.remember-check strong,.remember-check small{display:block}
.remember-check small{color:var(--muted);margin-top:3px}
.login-submit{width:100%;padding:14px}
.login-security{text-align:center;color:var(--muted);font-size:11px;margin:18px 0 0}
.settings-page{min-height:100vh;background:var(--bg);padding:35px 18px}
.settings-shell{width:min(650px,100%);margin:0 auto}
.back-link{display:inline-block;color:var(--accent);text-decoration:none;font-weight:700;margin-bottom:18px}
.settings-card{background:#fff;border:1px solid var(--line);border-radius:19px;padding:clamp(25px,5vw,45px);box-shadow:var(--shadow)}
.settings-card h1{font-size:34px;margin-bottom:8px}
.settings-card>p:not(.eyebrow){color:var(--muted);line-height:1.6}
.settings-form{display:grid;gap:15px;margin-top:25px}
.settings-form label{display:grid;gap:7px;font-size:13px;font-weight:700}
.settings-form .primary{margin-top:5px}

@media(max-width:850px){
    .sidebar-bottom{display:none}
    .mobile-logout{display:grid}
}
@media(max-width:760px){
    .login-shell{display:block}
    .login-visual{min-height:280px;padding:28px 22px}
    .login-copy{margin:55px 0 20px}
    .login-copy h1{font-size:37px}
    .login-copy>p:last-child{font-size:14px;margin-top:13px}
    .login-feature{display:none}
    .login-panel{padding:18px;margin-top:-22px;position:relative;z-index:2}
}


/* Visualizador interno de PDF */
.clickable-preview{cursor:pointer;position:relative}
.clickable-preview::after{
    content:"Visualizar PDF";
    position:absolute;
    inset:auto 10px 10px 10px;
    padding:7px 10px;
    border-radius:9px;
    background:rgba(17,24,39,.86);
    color:#fff;
    font-size:12px;
    font-weight:750;
    text-align:center;
    opacity:0;
    transform:translateY(5px);
    transition:.18s
}
.clickable-preview:hover::after,.clickable-preview:focus::after{opacity:1;transform:translateY(0)}
.clickable-preview:focus{outline:3px solid rgba(79,70,229,.24);outline-offset:2px}
.pdf-file-card .file-preview{background:linear-gradient(145deg,#fff1f2,#f6f7fb)}
.pdf-actions{display:grid;grid-template-columns:1.1fr .9fr 1fr}
.card-actions .preview-action{background:var(--accent);color:#fff}
.card-actions .preview-action:hover{background:var(--accent-2)}

dialog.pdf-dialog{
    width:min(1500px,calc(100vw - 28px));
    max-width:none;
    height:min(940px,calc(100vh - 28px));
    max-height:none;
    border-radius:18px;
    background:#111827;
    overflow:hidden
}
.pdf-viewer{height:100%;display:grid;grid-template-rows:auto minmax(0,1fr) auto;background:#111827}
.pdf-toolbar{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:12px 15px;
    background:#fff;
    border-bottom:1px solid var(--line)
}
.pdf-title-wrap{display:flex;align-items:center;gap:11px;min-width:0}
.pdf-title-wrap>div{min-width:0}
.pdf-title-wrap strong,.pdf-title-wrap small{display:block}
.pdf-title-wrap strong{
    max-width:min(58vw,740px);
    white-space:normal;
    overflow:visible;
    text-overflow:clip;
    overflow-wrap:anywhere;
    word-break:break-word;
    line-height:1.25
}
.pdf-title-wrap small{color:var(--muted);font-size:11px;margin-top:2px}
.pdf-badge{background:#fee2e2;color:#b91c1c;border-radius:8px;padding:7px 9px;font-size:11px;font-weight:900}
.pdf-toolbar-actions{display:flex;align-items:center;gap:8px}
.pdf-toolbar-button,.pdf-close-button{
    border:0;
    border-radius:10px;
    padding:9px 12px;
    text-decoration:none;
    font-weight:750;
    font-size:13px
}
.pdf-toolbar-button{background:#eef1f6;color:var(--text)}
.pdf-toolbar-button.primary-button{background:var(--accent);color:#fff}
.pdf-close-button{
    width:38px;
    height:38px;
    padding:0;
    font-size:25px;
    background:#f1f3f7;
    color:#374151
}
.pdf-stage{position:relative;min-height:0;background:#343a40;overflow:hidden}
.pdf-stage iframe{
    width:100%;
    height:100%;
    border:0;
    display:block;
    opacity:0;
    transition:opacity .18s;
    background:#525659
}
.pdf-stage iframe.loaded{opacity:1}
.pdf-loading{
    position:absolute;
    inset:0;
    z-index:2;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:7px;
    background:#343a40;
    color:#fff
}
.pdf-loading small{color:#cbd5e1}
.pdf-spinner{
    width:38px;
    height:38px;
    border:4px solid rgba(255,255,255,.22);
    border-top-color:#fff;
    border-radius:50%;
    animation:pdf-spin .8s linear infinite;
    margin-bottom:8px
}
@keyframes pdf-spin{to{transform:rotate(360deg)}}
.pdf-footer{
    min-height:38px;
    padding:9px 15px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:15px;
    background:#fff;
    border-top:1px solid var(--line);
    color:var(--muted);
    font-size:11px
}
.pdf-footer a{color:var(--accent);font-weight:700;text-decoration:none;white-space:nowrap}

@media(max-width:700px){
    dialog.pdf-dialog{
        width:100vw;
        height:100dvh;
        max-height:none;
        border-radius:0
    }
    .pdf-toolbar{align-items:flex-start;padding:10px;gap:8px}
    .pdf-title-wrap strong{
        max-width:46vw;
        white-space:normal;
        overflow-wrap:anywhere;
        word-break:break-word
    }
    .pdf-title-wrap small{display:none}
    .pdf-toolbar-button{font-size:0;width:39px;height:39px;padding:0;display:grid;place-items:center}
    .pdf-toolbar-button:first-child::before{content:"↗";font-size:18px}
    .pdf-toolbar-button.primary-button::before{content:"↓";font-size:20px}
    .pdf-footer{justify-content:center;text-align:center}
    .pdf-footer>span{display:none}
    .pdf-actions{grid-template-columns:1fr 1fr}
    .pdf-actions button[data-edit]{grid-column:1/-1}
}


/* Nomes completos dos arquivos */
.file-info{min-width:0}
.file-card h3{
    display:block;
    max-width:100%;
    white-space:normal!important;
    overflow:visible!important;
    text-overflow:clip!important;
    overflow-wrap:anywhere;
    word-break:break-word;
    hyphens:none
}
.list-view .file-info{min-width:0}
.list-view .file-card h3{
    white-space:normal!important;
    overflow:visible!important;
    text-overflow:clip!important;
    overflow-wrap:anywhere;
    word-break:break-word;
    margin-right:8px
}
.pdf-title-wrap{min-width:0;align-items:flex-start}
.pdf-title-wrap strong{
    white-space:normal!important;
    overflow:visible!important;
    text-overflow:clip!important;
    overflow-wrap:anywhere;
    word-break:break-word
}

@media(max-width:600px){
    .file-card h3{
        font-size:14px;
        line-height:1.35;
        margin-right:25px
    }
    .list-view .file-card h3{
        margin-right:0
    }
}