:root{--bg: #f6f7fb;--surface: #ffffff;--surface-2: #f3f4f8;--surface-3: #ecedf3;--border: #e6e8ef;--border-strong:#d7dae4;--text: #1f2330;--text-muted: #6b7280;--text-faint: #9aa1ad;--accent: #6366f1;--accent-2: #8b5cf6;--accent-soft: #eef0ff;--accent-hover: #4f46e5;--success: #10b981;--warn: #f59e0b;--danger: #ef4444;--info: #3b82f6;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .04);--shadow: 0 4px 12px rgba(15, 23, 42, .07);--shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);--radius-sm: 8px;--radius: 12px;--radius-lg: 16px;--tr: .18s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}input,button,textarea,select{font:inherit;color:inherit}.icon{display:inline-block;vertical-align:middle}.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:24px}.auth-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(900px 600px at 80% -10%,#c7d2fe 0%,transparent 60%),radial-gradient(800px 500px at -10% 100%,#ddd6fe 0%,transparent 60%),linear-gradient(180deg,#fafbff,#eef0ff);z-index:0}.auth-card{position:relative;z-index:1;width:100%;max-width:420px;background:var(--surface);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-lg);border:1px solid var(--border)}.auth-brand{display:flex;align-items:center;gap:14px;margin-bottom:24px}.auth-title{font-size:22px;font-weight:700}.auth-sub{color:var(--text-muted);font-size:13px}.auth-form{display:flex;flex-direction:column;gap:14px;margin-top:8px}.auth-foot{margin-top:18px;text-align:center;color:var(--text-muted);font-size:13px}.field{display:flex;flex-direction:column;gap:6px}.field span{font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.field input{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:11px 13px;outline:none;transition:border-color var(--tr),background var(--tr),box-shadow var(--tr)}.field input:focus{background:var(--surface);border-color:var(--accent);box-shadow:0 0 0 3px #6366f12e}.checkbox{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);-webkit-user-select:none;user-select:none;cursor:pointer}.checkbox input{accent-color:var(--accent);width:16px;height:16px}.btn{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:9px 14px;cursor:pointer;font-weight:600;color:var(--text);transition:background var(--tr),border-color var(--tr),transform var(--tr)}.btn:hover{background:var(--surface-2)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn.lg{padding:12px 18px;font-size:15px;justify-content:center}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border-color:transparent;box-shadow:0 4px 14px #6366f14d}.btn-primary:hover{background:linear-gradient(135deg,var(--accent-hover),#7c3aed)}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid var(--border);background:var(--surface);border-radius:var(--radius-sm);cursor:pointer;color:var(--text-muted);transition:background var(--tr),color var(--tr)}.icon-btn:hover{background:var(--surface-2);color:var(--text)}.app-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:20px 16px;display:flex;flex-direction:column;gap:18px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:12px;padding:4px 4px 12px}.brand-logo{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px #6366f159}.brand-logo.big{width:48px;height:48px;border-radius:12px}.brand-title{font-weight:700;font-size:15px}.brand-sub{font-size:11px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.4px}.side-nav{display:flex;flex-direction:column;gap:4px}.side-link{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;color:var(--text-muted);font-weight:600;text-decoration:none;transition:background var(--tr),color var(--tr)}.side-link:hover{background:var(--surface-2);color:var(--text)}.side-link.active{background:var(--accent-soft);color:var(--accent)}.storage-card{margin-top:auto;padding:14px;border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(180deg,#fafbff,#f3f4ff)}.storage-title{font-size:12px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.4px}.storage-bar{height:6px;background:#e2e4f0;border-radius:99px;margin:10px 0 6px;overflow:hidden}.storage-bar-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}.storage-meta{font-size:12px;color:var(--text-muted)}.user-card{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:background var(--tr)}.user-card:hover{background:var(--surface-2)}.avatar{width:36px;height:36px;border-radius:999px;background:linear-gradient(135deg,#c7d2fe,#ddd6fe);color:var(--accent-hover);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}.user-meta{flex:1;min-width:0}.user-name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-role{font-size:11px;color:var(--text-muted)}.main{padding:24px 28px;min-width:0}.page{position:relative}.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:18px;flex-wrap:wrap}.page-title{font-size:28px;font-weight:700;margin-top:4px}.page-head-right{display:flex;align-items:center;gap:10px}.crumbs{font-size:13px;color:var(--text-muted)}.crumb a{color:var(--text-muted)}.crumb a:hover{color:var(--accent)}.crumb .current{color:var(--text);font-weight:600}.crumb .sep{margin:0 8px;color:var(--text-faint)}.search{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:99px;padding:8px 14px;width:320px;color:var(--text-muted);transition:border-color var(--tr),box-shadow var(--tr)}.search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px #6366f12e}.search input{border:none;outline:none;background:transparent;flex:1;min-width:0;color:var(--text)}.layout-switch{display:inline-flex;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}.layout-switch button{width:34px;height:34px;background:var(--surface);border:0;cursor:pointer;color:var(--text-muted);font-size:16px;line-height:1}.layout-switch button.on{background:var(--accent-soft);color:var(--accent)}.action-bar{display:flex;align-items:center;gap:10px;margin-bottom:18px}.hint{color:var(--text-faint);font-size:12px;margin-left:auto}.content{min-height:50vh}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}.card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px;cursor:default;transition:border-color var(--tr),box-shadow var(--tr),transform var(--tr);overflow:hidden}.card:hover{box-shadow:var(--shadow);border-color:var(--border-strong);transform:translateY(-1px)}.card.selected{border-color:var(--accent);box-shadow:0 0 0 3px #6366f126}.card-thumb{height:92px;border-radius:10px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;margin-bottom:12px;color:var(--text-muted)}.folder-thumb{color:var(--accent)}.card.card-folder .card-thumb{background:linear-gradient(135deg,#eef0ff,#f5f0ff)}.card-title{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-sub{font-size:12px;color:var(--text-muted);display:flex;align-items:center;gap:6px;margin-top:3px;white-space:nowrap;overflow:hidden}.card-sub .dot{color:var(--text-faint)}.card-more{position:absolute;top:8px;right:8px;width:28px;height:28px;background:#fffc;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-muted);opacity:0;transition:opacity var(--tr),background var(--tr)}.card:hover .card-more,.card.selected .card-more{opacity:1}.card-more:hover{background:var(--surface);color:var(--text)}.file-icon{display:inline-flex;align-items:center;justify-content:center;border-radius:8px;padding:6px}.fi-img{background:#fff1f3;color:#e11d48}.fi-vid{background:#fff7ed;color:#ea580c}.fi-aud{background:#ecfeff;color:#0891b2}.fi-zip{background:#f5f3ff;color:#7c3aed}.fi-doc{background:#eff6ff;color:#2563eb}.fi-def{background:var(--surface-3);color:var(--text-muted)}.card.skeleton{pointer-events:none}.sk-thumb{height:92px;border-radius:10px;margin-bottom:12px;background:linear-gradient(90deg,#eef0f5,#f5f6fa,#eef0f5);background-size:200% 100%;animation:sk 1.4s linear infinite}.sk-line{height:12px;border-radius:6px;margin-bottom:6px;background:linear-gradient(90deg,#eef0f5,#f5f6fa,#eef0f5);background-size:200% 100%;animation:sk 1.4s linear infinite}.sk-line.short{width:60%}@keyframes sk{0%{background-position:0 0}to{background-position:-200% 0}}.empty{text-align:center;padding:72px 16px;color:var(--text-muted)}.empty-art{width:96px;height:96px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px}.empty h3{color:var(--text);margin-bottom:4px}.ftable{width:100%;border-collapse:separate;border-spacing:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.ftable thead th{text-align:left;padding:12px 16px;font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--text-muted);background:var(--surface-2);border-bottom:1px solid var(--border)}.ftable tbody tr{transition:background var(--tr);cursor:default}.ftable tbody tr:hover{background:var(--surface-2)}.ftable td{padding:12px 16px;border-bottom:1px solid var(--border)}.ftable tbody tr:last-child td{border-bottom:0}.folder-mini{display:inline-flex;padding:4px;border-radius:6px;background:var(--accent-soft);color:var(--accent)}.ctx-menu{position:fixed;z-index:200;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);padding:6px;min-width:220px;list-style:none;margin:0}.ctx-menu li{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:6px;cursor:pointer;color:var(--text);font-size:13px}.ctx-menu li:hover{background:var(--surface-2)}.ctx-menu li.danger{color:var(--danger)}.ctx-menu li.danger:hover{background:#ef444414}.ctx-menu li.disabled{opacity:.55;cursor:not-allowed}.ctx-menu li .stub-tag{margin-left:auto;font-size:10px;font-weight:700;background:#fff7ed;color:var(--warn);padding:2px 6px;border-radius:4px;text-transform:uppercase}.drop-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:150;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:#6366f114;border:3px dashed var(--accent);color:var(--accent);font-size:18px;font-weight:600;pointer-events:none}.upload-tray{position:fixed;right:24px;bottom:24px;width:340px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);overflow:hidden;z-index:100}.upload-tray-head{padding:12px 14px;font-weight:600;background:var(--surface-2);border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.upload-tray-head span{background:var(--accent);color:#fff;font-size:11px;padding:2px 8px;border-radius:99px}.upload-tray-list{max-height:280px;overflow-y:auto;padding:8px}.upl{padding:8px;border-radius:8px}.upl+.upl{margin-top:4px}.upl-row{display:flex;align-items:center;gap:8px}.upl-name{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}.upl-pct{font-size:12px;color:var(--text-muted);font-variant-numeric:tabular-nums}.upl-bar{height:4px;border-radius:99px;background:var(--surface-3);margin-top:6px;overflow:hidden}.upl-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .25s}.upl.done .upl-fill{background:var(--success)}.upl.error .upl-fill{background:var(--danger)}.upl.error{background:#ef44440f}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a59;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:250;animation:fade .15s ease-out}.modal{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-lg);border:1px solid var(--border);overflow:hidden;animation:pop .18s ease-out}.modal-head{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-bottom:1px solid var(--border)}.modal-head h3{margin:0;font-size:16px;font-weight:700}.modal-body{padding:18px}.modal-foot{padding:12px 18px;display:flex;justify-content:flex-end;gap:10px;border-top:1px solid var(--border);background:var(--surface-2)}@keyframes fade{0%{opacity:0}to{opacity:1}}@keyframes pop{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.toast-stack{position:fixed;bottom:24px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;gap:8px;z-index:500;pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:99px;box-shadow:var(--shadow);font-size:13px;cursor:pointer;animation:slide .2s ease-out;max-width:480px}.toast-icon{width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;background:var(--surface-2)}.toast-count{margin-left:4px;background:var(--surface-2);color:var(--text-muted);font-size:11px;font-weight:700;padding:2px 7px;border-radius:99px;font-variant-numeric:tabular-nums}.toast-success .toast-icon{background:#10b9811f;color:var(--success)}.toast-error .toast-icon{background:#ef44441f;color:var(--danger)}.toast-warn .toast-icon{background:#f59e0b1f;color:var(--warn)}.toast-info .toast-icon{background:#3b82f61f;color:var(--info)}@keyframes slide{0%{transform:translateY(8px);opacity:0}to{transform:translateY(0);opacity:1}}.muted{color:var(--text-muted)}.small{font-size:12px}.admin-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:18px}.stat-card{display:flex;align-items:center;gap:14px;padding:16px 18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.stat-icon{width:42px;height:42px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:linear-gradient(135deg,#c7d2fe,#ddd6fe);color:var(--accent-hover);flex:0 0 auto}.stat-value{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums}.stat-label{font-size:12px;color:var(--text-muted);margin-top:2px}.role-pill{display:inline-block;padding:3px 10px;border-radius:99px;font-size:11px;font-weight:700;letter-spacing:.03em;text-transform:uppercase}.role-admin{background:#6366f11f;color:var(--accent-hover);border:1px solid rgba(99,102,241,.25)}.role-user{background:var(--surface-2);color:var(--text-muted);border:1px solid var(--border)}.avatar.small{width:28px;height:28px;font-size:11px}.row-name{display:inline-flex;align-items:center;gap:10px}.quota{display:flex;flex-direction:column;gap:6px;min-width:240px}.quota-bar{position:relative;height:6px;background:var(--surface-2);border-radius:99px;overflow:hidden}.quota-fill{position:absolute;left:0;top:0;bottom:0;background:var(--accent);border-radius:99px;transition:width .25s ease}.quota-fill.warn{background:var(--warn)}.quota-fill.danger{background:var(--danger)}.quota-meta{font-size:12px;color:var(--text);font-variant-numeric:tabular-nums}.btn-danger{background:var(--danger);color:#fff;border:1px solid var(--danger)}.btn-danger:hover{filter:brightness(1.05)}.icon-btn.danger-btn{color:var(--danger)}.icon-btn.danger-btn:hover{background:#ef44441a}.icon-btn.danger-btn:disabled{color:var(--text-faint);cursor:not-allowed;background:transparent}.picker-path{display:flex;align-items:center;gap:8px;padding:8px 10px;background:var(--surface-2);border:1px solid var(--border);border-radius:10px;margin-bottom:10px}.picker-here{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:13px}.picker-list{max-height:280px;overflow:auto;border:1px solid var(--border);border-radius:10px;padding:6px}.picker-row+.picker-row{margin-top:2px}.picker-item{width:100%;display:flex;align-items:center;gap:10px;padding:8px 10px;background:transparent;border:0;border-radius:8px;cursor:pointer;font:inherit;color:var(--text);text-align:left}.picker-item:hover{background:var(--surface-2)}@media (max-width: 900px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;flex-direction:row;align-items:center;gap:12px;padding:12px}.brand-sub,.storage-card{display:none}.side-nav{flex-direction:row}.user-card{margin-left:auto}.main{padding:16px}.search{width:200px}}@media (max-width: 560px){.search{width:140px}.grid{grid-template-columns:repeat(2,1fr)}.page-title{font-size:22px}}