:root{color-scheme:light;font-family:Inter,system-ui,sans-serif;background:radial-gradient(circle at top left,rgba(249,115,22,.12),transparent 26%),radial-gradient(circle at bottom right,rgba(59,130,246,.12),transparent 28%),linear-gradient(180deg,#f8fafc,#eff6ff);color:#111827}body,html,#root{min-height:100vh;margin:0;padding:0;background:transparent}.app-shell{max-width:1240px;margin:0 auto;padding:32px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:flex;align-items:center;justify-content:center;padding:24px;z-index:100}.modal-card{background:#fff;border-radius:28px;box-shadow:0 30px 80px #0f172a2e;padding:28px;width:min(520px,100%)}.modal-card h3{margin-top:0;margin-bottom:18px}.modal-form{display:grid;gap:16px}.modal-actions{display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap}.checkbox-label{display:flex;align-items:center;gap:10px;font-weight:600}.folder-card{border:1px solid #e5e7eb;background:#fff;border-radius:22px;padding:20px;text-align:left;display:flex;flex-direction:column;justify-content:space-between;gap:12px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.folder-card:hover,.folder-card.selected{transform:translateY(-2px);border-color:#0ea5e9;box-shadow:0 18px 40px #0ea5e929}.folder-card-title{font-weight:700;font-size:1rem}.folder-card-subtitle{color:#6b7280;font-size:.9rem}.folder-count{color:#6b7280;font-size:.95rem}.folder-lock{margin-left:8px;font-size:.95rem}.folder-upload-note{margin:16px 0 12px;color:#475569;font-size:.96rem}.app-shell:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,rgba(249,115,22,.02),transparent 45%),linear-gradient(225deg,rgba(59,130,246,.04),transparent 40%);pointer-events:none;z-index:-1}.app-header{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px}.app-header strong{display:block;font-size:1.4rem}.app-subtitle{color:#6b7280;margin-top:4px}.language-switcher button{margin-left:8px}.auth-panel,.dashboard{background:#fffffff2;border-radius:28px;box-shadow:0 30px 80px #0f172a1f;padding:36px;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.auth-panel{display:grid;gap:28px}.auth-panel .auth-hero{padding:42px}.auth-card{background:#fff;border-radius:28px;padding:32px;box-shadow:0 24px 60px #0f172a14;display:grid;gap:18px}.auth-card h2{margin:0;font-size:2rem}.auth-panel label{display:grid;gap:10px}.auth-panel input[type=email],.auth-panel input[type=password]{width:100%}.auth-panel h1,.panel h2{margin-top:0}.auth-hero{display:grid;gap:24px;padding:40px;background:linear-gradient(135deg,#f97316,#fb923c);border-radius:28px;color:#fff;text-align:center}.auth-hero h1{font-size:2.6rem;margin:0}.auth-hero p{color:#ffffffe6;max-width:560px;margin:0 auto;font-size:1rem}.auth-panel form,.inline-form{display:flex;flex-direction:column;gap:14px}label{font-weight:600}input[type=email],input[type=password],input[type=file],input[type=text],button,select{border:1px solid #d1d5db;border-radius:14px;padding:12px 14px;font:inherit}button{cursor:pointer;background:#f97316;color:#fff;border:none;transition:background .2s ease,transform .2s ease}button:hover{background:#ea580c;transform:translateY(-1px)}button.secondary{background:transparent;color:#111827;border:1px solid #d1d5db}button.danger{background:#ef4444}button.danger:hover{background:#dc2626}.folder-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:18px}.folder-card{border:1px solid #e5e7eb;background:linear-gradient(180deg,#fff,#f8fbff);border-radius:24px;padding:22px;display:flex;justify-content:space-between;align-items:flex-start;gap:14px;min-height:130px;text-align:left;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease;position:relative}.folder-card:before{content:"📁";position:absolute;top:18px;right:18px;font-size:1.4rem;opacity:.2}.folder-card:hover,.folder-card.selected{transform:translateY(-4px);border-color:#0ea5e9;background:linear-gradient(180deg,#fff,#eff9ff);box-shadow:0 22px 50px #0ea5e92b}.folder-card-title{font-weight:800;font-size:1.05rem}.folder-card-subtitle{color:#475569;font-size:.92rem}.folder-open{color:#0ea5e9;font-weight:700;align-self:center;opacity:.9}.upload-panel-inner{border:1px dashed #cbd5e1;border-radius:20px;padding:20px;margin-bottom:20px;background:#f8fafc}.file-input-label{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border:1px solid #d1d5db;border-radius:18px;padding:14px 18px;cursor:pointer}.file-input-label span{color:#111827;font-weight:600}.folder-view-panel{display:flex;flex-direction:column;gap:18px}.folder-card.selected .folder-card-title,.folder-card.selected .folder-card-subtitle{color:#111827}.panel.folders-panel{min-height:420px}.panel-header{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px}.panel-header h2{margin:0}.upload-form{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}.upload-form button{min-width:140px}.empty-state{padding:32px;text-align:center;color:#6b7280;border:1px dashed #e5e7eb;border-radius:22px;background:#f8fafc}.dashboard{display:flex;flex-direction:column;gap:24px}.dashboard-header{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-bottom:8px;border-bottom:1px solid rgba(15,23,42,.08)}.dashboard-welcome{margin:0 0 8px;color:#6b7280;font-size:.95rem}.dashboard-header h1{margin:0;font-size:2rem}.dashboard-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:22px}.summary-card{background:#fff;border:1px solid #e5e7eb;border-radius:22px;padding:22px 24px;box-shadow:0 12px 30px #0f172a0f;transition:transform .25s ease,box-shadow .25s ease}.summary-card:hover{transform:translateY(-3px);box-shadow:0 20px 40px #0f172a1a}.highlight-card{border-color:#f97316}.summary-label{color:#6b7280;font-size:.92rem;margin-bottom:10px}.summary-value{font-size:2rem;font-weight:700;color:#111827}.dashboard-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:24px}.side-panel,.upload-panel,.files-panel{border:1px solid rgba(14,165,233,.18);background:#ffffffeb;border-radius:24px;padding:24px;box-shadow:0 20px 50px #0f172a0f}.panel-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:18px}.files-panel-header{flex-wrap:wrap}.files-panel-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.search-input{border:1px solid #d1d5db;background:#f8fafc;border-radius:16px;padding:12px 16px;width:min(240px,100%);color:#111827}.search-input:focus{outline:none;border-color:#f97316;box-shadow:0 0 0 4px #f973161f}.panel-description{color:#6b7280;margin-top:4px}.folder-form,.upload-form{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;margin-bottom:16px}.file-input-label{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#f8fafc;border:1px solid #d1d5db;border-radius:14px;padding:12px 14px;cursor:pointer}.file-input-label input{display:none}.file-input-label span{color:#111827}.folder-chip{border:1px solid #e5e7eb;background:#f8fafc;color:#111827;padding:10px 14px;border-radius:9999px;font-size:.95rem}.folder-chip.selected{background:#0ea5e9;color:#fff;border-color:transparent}.progress-bar-wrapper{margin-bottom:20px}.progress-info{font-size:.9rem;color:#374151;margin-bottom:8px}.progress-bar{width:100%;height:12px;background:#e5e7eb;border-radius:9999px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#f97316,#fb923c);border-radius:9999px 0 0 9999px}.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px}.file-card{background:#fff;border:1px solid #e5e7eb;border-radius:24px;padding:18px;display:flex;flex-direction:column;gap:14px;box-shadow:0 12px 30px #0f172a0f;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.file-card:hover{transform:translateY(-3px);border-color:#f97316;box-shadow:0 20px 40px #f9731626}.card-thumb-image,.card-thumb-video{width:100%;height:180px;object-fit:cover;border-radius:20px;background:#000}.file-card-thumb{height:110px;border-radius:18px;background:#f8fafc;display:flex;align-items:center;justify-content:center;color:#0f172a;font-weight:700}.file-icon{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:.95rem}.image-icon{background:linear-gradient(135deg,#dbeafe,#bfdbfe)}.video-icon{background:linear-gradient(135deg,#fde68a,#fcd34d)}.doc-icon{background:linear-gradient(135deg,#f5d0fe,#f0abfc)}.file-card-body{display:flex;flex-direction:column;gap:10px}.file-title{font-weight:700;line-height:1.3}.file-meta-row{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;color:#6b7280;font-size:.9rem}.file-badge{background:#f1f5f9;border-radius:9999px;padding:4px 10px}.file-meta.secondary{color:#9ca3af;font-size:.85rem}.file-card-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:auto}.file-card-actions button{min-width:0}.file-card-thumb{height:170px;border-radius:22px;overflow:hidden}.card-thumb-image,.card-thumb-video{width:100%;height:100%;object-fit:cover;border-radius:22px}.file-card:hover{transform:translateY(-4px);border-color:#f97316;box-shadow:0 22px 36px #f973162e}.preview-modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172abf;display:flex;align-items:center;justify-content:center;padding:24px;z-index:50}.preview-dialog{width:min(900px,calc(100% - 40px));max-width:1000px;background:#fff;border-radius:18px;padding:18px;position:relative;box-shadow:0 26px 56px #0f172a33}.close-button{position:absolute;top:16px;right:16px;border:none;background:transparent;font-size:1.5rem;cursor:pointer}.preview-header{margin-bottom:14px}.preview-header strong{display:block;margin-bottom:4px}.preview-actions{display:grid;grid-template-columns:52px minmax(0,1fr) 52px;gap:12px;align-items:center}.preview-nav{width:100%;min-height:46px;border:1px solid #e5e7eb;border-radius:14px;background:#f8fafc;color:#111827;cursor:pointer;font-size:1.5rem;transition:background-color .2s ease,border-color .2s ease}.preview-nav:disabled{opacity:.4;cursor:not-allowed}.preview-content{display:flex;justify-content:center;align-items:center;padding:12px;border-radius:18px;background:#111827}.preview-content img,.preview-content video{max-width:100%;max-height:calc(80vh - 80px);width:auto;height:auto;border-radius:16px;background:#111827}.preview-content video{width:100%;height:auto}.folder-list button{background:#e0f2fe;color:#0c4a6e}.folder-list button.selected{background:#0ea5e9;color:#fff}.panel{margin-bottom:24px}.inline-form{flex-wrap:wrap;gap:10px}.info-text{color:#4b5563;margin-top:10px}.file-table{overflow-x:auto}table{width:100%;border-collapse:collapse}thead th{text-align:left;padding:12px 10px;background:#e2e8f0}tbody tr td{padding:12px 10px;border-top:1px solid #e5e7eb}.actions{display:flex;gap:8px}.preview-panel img,.preview-panel video{max-width:100%;border-radius:16px}.message{margin-top:18px;padding:14px;background:#fde68a;border-radius:16px}