:root{--bg:#0b0d12;--panel:#151922;--panel-2:#1c212d;--border:#2a3140;--text:#e7ebf3;--muted:#9aa4b8;--accent:#5b8cff;--accent-hover:#4a7bf0;--danger:#ff6b6b;--ok:#3ecf8e}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--accent)}.container{max-width:880px;margin:0 auto;padding:32px 20px 80px}.center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:28px}.login-card{width:100%;max-width:380px}h1{font-size:22px;margin:0 0 4px}.subtitle{font-size:14px;margin:0 0 22px}.subtitle,label{color:var(--muted)}label{display:block;font-size:13px;margin-bottom:6px}input[type=password],input[type=text]{width:100%;padding:11px 12px;background:var(--panel-2);border:1px solid var(--border);border-radius:9px;color:var(--text);font-size:15px;outline:none}input:focus{border-color:var(--accent)}button{cursor:pointer;border:none;border-radius:9px;font-size:14px;font-weight:600;padding:11px 16px;background:var(--accent);color:#fff;transition:background .15s ease,opacity .15s ease}button:hover{background:#4a7bf0}button:disabled{opacity:.6;cursor:default}button.secondary{background:var(--panel-2);color:var(--text);border:1px solid var(--border)}button.secondary:hover{background:#232a38}.error{color:var(--danger);font-size:13px;margin-top:12px;min-height:16px}.app{display:flex;min-height:100vh}.sidebar{width:260px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column;gap:14px;padding:18px 14px;position:-webkit-sticky;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:10px;padding:4px 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var(--border);border-bottom-left-radius:12px;border-bottom-right-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden;cursor:pointer}.thumb-img{width:100%;height:100%;object-fit:cover;display:block}.list{flex-direction:column;background:var(--panel);border:1px solid var(--border);border-radius:12px}.list,.row{display:flex}.row{align-items:center;gap:14px;padding:9px 14px;border-bottom:1px solid var(--border)}.row:first-child{border-top-left-radius:12px;border-top-right-radius:12px}.row:last-child{border-bottom:none;border-bottom-left-radius:12px;border-bottom-right-radius:12px}.row:hover{background:var(--panel-2)}.row-folder{cursor:pointer}.row-main{flex:1 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var(--border);border-radius:14px;padding:26px;max-width:420px;width:100%;text-align:center}.modal-close{position:absolute;top:10px;right:12px;background:transparent;color:var(--muted);font-size:22px;line-height:1;padding:0;width:32px;height:32px;border-radius:50%}.modal-close:hover{background:var(--panel-2);color:var(--text)}.modal-icon{width:46px;height:46px;border-radius:50%;background:hsla(0,100%,71%,.15);color:var(--danger);display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;margin:0 auto 14px}.modal-title{font-size:18px;margin:0 0 8px}.modal-message{color:var(--muted);font-size:14px;margin:0 0 18px}.modal-ok{width:100%}.move-modal,.move-modal .modal-message,.move-modal .modal-title{text-align:left}.move-list{margin-top:8px;max-height:320px;overflow-y:auto;border:1px solid var(--border);border-radius:10px}.move-item{display:flex;align-items:center;gap:10px;width:100%;padding:10px 14px;background:transparent;border:none;border-bottom:1px solid var(--border);border-radius:0;color:var(--text);font-size:14px;font-weight:500;text-align:left;justify-content:flex-start}.move-item:last-child{border-bottom:none}.move-item:hover:not(:disabled){background:var(--panel-2)}.move-item:disabled{opacity:.4;cursor:not-allowed}@media (max-width:820px){.app{flex-direction:column}.sidebar{width:100%;height:auto;position:static;flex-direction:row;flex-wrap:wrap;align-items:center;gap:10px;padding:12px 14px}.brand{margin-right:auto}.nav,.sidebar-foot{flex-direction:row}.sidebar-foot{margin-top:0;align-items:center;width:100%}.meter{flex:1 1}.main-top{padding:12px 14px}.content{padding:8px 14px 60px}.upload-toast{right:12px;left:12px;width:auto}}