:root{
  --lime:#D8FF3E;
  --bone:#F9F6F1;
  --soft-bone:#E8E6DF;
  --black:#090909;
  --charcoal:#111111;
  --muted:#6f6d68;
  --line:rgba(9,9,9,.11);
  --white:#fff;
  --danger:#b52d2d;
  --shadow:0 18px 45px rgba(9,9,9,.08);
  --radius:18px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bone);color:var(--black);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button{cursor:pointer}
body{min-height:100vh}

.brand{display:inline-flex;align-items:center;gap:10px;color:var(--black)}
.brand img{display:block;max-height:56px;max-width:250px;object-fit:contain}
.brand-compact img{max-height:38px;max-width:176px}
.brand-wordmark{display:flex;flex-direction:column;font-weight:950;line-height:.78;letter-spacing:-.055em;font-size:33px}
.brand-compact .brand-wordmark{font-size:23px}
.brand i{width:12px;height:12px;border-radius:50%;background:var(--lime);display:inline-block}
.brand-compact i{width:9px;height:9px}

.topbar{height:76px;padding:0 28px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;background:rgba(249,246,241,.94);backdrop-filter:blur(18px);position:sticky;top:0;z-index:50}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:18px}
.product-name{font-size:12px;font-weight:800;letter-spacing:.18em;border-left:1px solid var(--line);padding-left:18px;color:#55534f}
.top-link{font-size:14px;font-weight:700;padding:10px 12px;border-radius:11px}
.top-link:hover{background:var(--soft-bone)}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--black);color:var(--bone);display:grid;place-items:center;font-weight:850;font-size:14px}

.auth-shell{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}
.auth-brand-panel{background:var(--lime);padding:54px;display:flex;flex-direction:column;justify-content:space-between;min-height:100vh}
.auth-brand-panel h1{font-size:clamp(56px,7.5vw,118px);letter-spacing:-.065em;line-height:.86;margin:70px 0 0;max-width:850px}
.auth-brand-panel p{font-weight:700;max-width:500px;font-size:18px;line-height:1.5}
.auth-form-panel{display:flex;align-items:center;justify-content:center;padding:50px}
.auth-card{width:min(100%,460px)}
.auth-card h2{font-size:42px;letter-spacing:-.045em;margin:0 0 10px}
.auth-card .sub{color:var(--muted);line-height:1.5;margin-bottom:30px}

.field{display:flex;flex-direction:column;gap:8px;margin:0 0 16px}
.field label{font-size:12px;text-transform:uppercase;letter-spacing:.11em;font-weight:850;color:#595752}
.field input,.field select{width:100%;border:1px solid var(--line);background:#fff;border-radius:13px;padding:14px 14px;outline:none;transition:.18s box-shadow,.18s border}
.field input:focus,.field select:focus{border-color:rgba(9,9,9,.35);box-shadow:0 0 0 4px rgba(216,255,62,.33)}
.field small{color:var(--muted);font-size:12px;line-height:1.45}

.btn{border:0;border-radius:12px;padding:12px 16px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap}
.btn-primary{background:var(--black);color:var(--bone)}
.btn-primary:hover{background:#202020}
.btn-lime{background:var(--lime);color:var(--black)}
.btn-lime:hover{filter:brightness(.97)}
.btn-soft{background:var(--soft-bone);color:var(--black)}
.btn-ghost{background:transparent;border:1px solid var(--line)}
.btn-danger{background:#f8e6e4;color:#8b1f1f}
.btn-sm{padding:8px 11px;border-radius:9px;font-size:12px}
.btn-wide{width:100%;padding:15px}
button:disabled,.btn.disabled{opacity:.55;pointer-events:none}

.flash{padding:12px 14px;border-radius:12px;margin:0 0 16px;font-size:14px;font-weight:650}
.flash-error{background:#f8e6e4;color:#8b1f1f;border:1px solid #e6b9b4}
.flash-success{background:#edf8dd;color:#3c5f12;border:1px solid #cee5a9}
.flash-info{background:#ecebe7;color:#45433f;border:1px solid #d8d6cf}

.app-shell{display:grid;grid-template-columns:260px 1fr;min-height:calc(100vh - 76px)}
.sidebar{padding:26px 18px;border-right:1px solid var(--line);position:sticky;top:76px;height:calc(100vh - 76px);display:flex;flex-direction:column;gap:18px}
.sidebar .new-btn{width:100%;padding:14px 18px;border-radius:14px;background:var(--lime);border:0;font-weight:900;text-align:left}
.nav{display:flex;flex-direction:column;gap:5px}
.nav a{padding:11px 12px;border-radius:10px;font-size:14px;font-weight:700;color:#4f4d48}
.nav a.active,.nav a:hover{background:var(--soft-bone);color:var(--black)}
.storage-card{margin-top:auto;padding:14px;background:#fff;border:1px solid var(--line);border-radius:14px}
.storage-card .label-row{display:flex;justify-content:space-between;gap:8px;font-size:12px;font-weight:750;color:#55534f}
.progress{height:7px;background:var(--soft-bone);border-radius:999px;margin:11px 0 8px;overflow:hidden}
.progress span{display:block;height:100%;background:var(--black);border-radius:inherit}
.storage-card small{color:var(--muted)}

.main{padding:30px 34px 60px;min-width:0}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}
.title-wrap h1{font-size:34px;letter-spacing:-.045em;margin:0 0 4px}
.title-wrap p{margin:0;color:var(--muted);font-size:14px}
.toolbar-actions{display:flex;align-items:center;gap:9px}
.search{position:relative;min-width:260px}
.search input{width:100%;padding:11px 14px 11px 38px;border:1px solid var(--line);background:#fff;border-radius:12px;outline:none}
.search:before{content:'⌕';position:absolute;left:13px;top:8px;font-size:20px;color:#777}

.breadcrumbs{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-bottom:16px;font-size:13px;color:var(--muted)}
.breadcrumbs a{font-weight:750;color:#3f3d39}
.breadcrumbs span{opacity:.55}

.file-table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 25px rgba(9,9,9,.025)}
.file-table{width:100%;border-collapse:collapse}
.file-table th{font-size:11px;text-transform:uppercase;letter-spacing:.09em;color:#77736e;text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);background:#fbfaf7}
.file-table td{padding:14px 16px;border-bottom:1px solid rgba(9,9,9,.07);font-size:14px;vertical-align:middle}
.file-table tr:last-child td{border-bottom:0}
.file-table tbody tr:hover{background:#fbfaf7}
.name-cell{display:flex;align-items:center;gap:12px;min-width:240px}
.file-icon{width:36px;height:36px;border-radius:10px;background:var(--soft-bone);display:grid;place-items:center;font-size:18px;flex:0 0 auto}
.folder-icon{background:var(--lime)}
.item-name{font-weight:800;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:520px}
.item-meta{font-size:11px;color:var(--muted);margin-top:3px}
.actions{display:flex;gap:6px;justify-content:flex-end}
.icon-btn{width:34px;height:34px;border:1px solid transparent;background:transparent;border-radius:9px;display:grid;place-items:center;font-weight:800}
.icon-btn:hover{background:var(--soft-bone)}
.empty{padding:60px 24px;text-align:center;color:var(--muted)}
.empty strong{display:block;color:var(--black);font-size:19px;margin-bottom:6px}

.section-title{display:flex;align-items:end;justify-content:space-between;margin:34px 0 12px}
.section-title h2{font-size:21px;letter-spacing:-.025em;margin:0}
.section-title p{font-size:12px;color:var(--muted);margin:0}
.shared-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.shared-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:16px;display:flex;gap:12px;align-items:center}
.shared-card:hover{box-shadow:var(--shadow)}
.shared-card .meta{min-width:0}
.shared-card strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.shared-card small{color:var(--muted)}

.modal-backdrop{position:fixed;inset:0;background:rgba(9,9,9,.48);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.modal-backdrop.open{display:flex}
.modal{width:min(100%,560px);max-height:88vh;overflow:auto;background:var(--bone);border-radius:20px;box-shadow:0 30px 80px rgba(0,0,0,.25)}
.modal-head{padding:20px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.modal-head h3{margin:0;font-size:22px;letter-spacing:-.03em}
.modal-body{padding:22px}
.modal-footer{padding:16px 22px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:9px}
.close-btn{border:0;background:transparent;font-size:24px}

.upload-drop{border:2px dashed rgba(9,9,9,.18);border-radius:16px;padding:34px 20px;text-align:center;background:#fff;transition:.18s}
.upload-drop.drag{border-color:var(--black);background:rgba(216,255,62,.18)}
.upload-drop input{display:none}
.upload-drop strong{font-size:18px;display:block;margin-bottom:6px}
.upload-drop span{color:var(--muted);font-size:13px}
.upload-list{display:flex;flex-direction:column;gap:10px;margin-top:15px}
.upload-row{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px}
.upload-row-top{display:flex;justify-content:space-between;gap:10px;font-size:13px}
.upload-row .progress{margin-bottom:0}
.upload-status{font-size:11px;color:var(--muted);margin-top:6px}

.upload-choice-row{display:flex;justify-content:center;gap:9px;margin-top:16px;flex-wrap:wrap}
.global-upload-bar{position:fixed;top:82px;left:278px;right:18px;z-index:85;border:1px solid rgba(9,9,9,.14);background:#fff;border-radius:14px;padding:11px 14px;box-shadow:0 14px 36px rgba(9,9,9,.14);display:none;text-align:left;color:var(--black);cursor:pointer}
.global-upload-bar.show{display:block}
.global-upload-text{display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:12px;margin-bottom:8px}
.global-upload-text strong{font-size:13px}
.global-upload-text span{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.global-upload-track{height:5px;background:var(--soft-bone);border-radius:999px;overflow:hidden}
.global-upload-track i{display:block;width:0;height:100%;background:var(--lime);border-radius:inherit;transition:width .18s ease}
.global-upload-bar.has-error .global-upload-track i{background:#9a2525}

.admin-shell{padding:34px;max-width:1250px;margin:0 auto}
.admin-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}
.admin-head h1{font-size:38px;letter-spacing:-.05em;margin:0}
.admin-head p{color:var(--muted);margin:7px 0 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:22px}
.stat{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px}
.stat small{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:800;font-size:10px}
.stat strong{display:block;font-size:28px;letter-spacing:-.04em;margin-top:7px}
.admin-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:20px}
.admin-card-head{padding:17px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.admin-card-head h2{margin:0;font-size:18px}
.badge{display:inline-flex;align-items:center;padding:5px 8px;border-radius:999px;background:var(--soft-bone);font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.06em}
.badge-lime{background:var(--lime)}
.badge-danger{background:#f8e6e4;color:#8b1f1f}

.share-list{display:flex;flex-direction:column;gap:8px;margin-top:16px}
.share-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 12px;background:#fff;border:1px solid var(--line);border-radius:12px}
.share-row .person{min-width:0}
.share-row strong{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.share-row small{color:var(--muted)}
.copy-box{display:flex;gap:8px;margin-top:10px}
.copy-box input{flex:1;min-width:0;background:#fff;border:1px solid var(--line);border-radius:11px;padding:11px}

.public-shell{max-width:1050px;margin:0 auto;padding:34px}
.public-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:48px}
.public-title{margin-bottom:18px}
.public-title h1{font-size:42px;letter-spacing:-.05em;margin:0 0 6px}
.public-title p{color:var(--muted);margin:0}

.account-shell{max-width:760px;margin:44px auto;padding:0 24px}
.account-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:16px}
.account-card h2{margin:0 0 18px;font-size:22px}
.account-meta{display:grid;grid-template-columns:150px 1fr;gap:10px;font-size:14px}
.account-meta dt{color:var(--muted)}
.account-meta dd{margin:0;font-weight:700}

.context-menu{position:fixed;z-index:120;min-width:180px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 20px 50px rgba(0,0,0,.16);padding:6px;display:none}
.context-menu.open{display:block}
.context-menu button,.context-menu a{display:flex;width:100%;border:0;background:transparent;padding:9px 10px;border-radius:8px;text-align:left;font-size:13px;font-weight:650}
.context-menu button:hover,.context-menu a:hover{background:var(--soft-bone)}

@media(max-width:900px){
  .auth-shell{grid-template-columns:1fr}.auth-brand-panel{min-height:280px;padding:30px}.auth-brand-panel h1{font-size:58px;margin:35px 0}.auth-form-panel{padding:36px 24px}
  .app-shell{grid-template-columns:1fr}.sidebar{display:none}.global-upload-bar{left:12px;right:12px;top:82px}.main{padding:22px 16px 50px}.topbar{padding:0 16px}.product-name{display:none}.search{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr)}.admin-shell{padding:24px 16px}.file-table th:nth-child(3),.file-table td:nth-child(3){display:none}.item-name{max-width:260px}
}
@media(max-width:620px){
  .top-link{display:none}.toolbar{align-items:flex-start;flex-direction:column}.toolbar-actions{width:100%;overflow:auto}.file-table th:nth-child(2),.file-table td:nth-child(2){display:none}.file-table td,.file-table th{padding:12px 10px}.actions .icon-btn:not(:last-child){display:none}.stats-grid{grid-template-columns:1fr 1fr}.admin-head{align-items:flex-start;flex-direction:column}.public-shell{padding:22px 14px}.public-head{margin-bottom:30px}
}