:root{--bg:#f5f7fa;--surface:#ffffff;--surface-hover:#fafbfc;--border:#e5e9f0;--border-light:#f0f2f5;--text:#1a2332;--text-secondary:#5f6d7e;--text-muted:#8896a6;--primary:#4f46e5;--primary-light:#eef2ff;--primary-hover:#4338ca;--success:#059669;--success-light:#ecfdf5;--warning:#d97706;--warning-light:#fffbeb;--danger:#dc2626;--danger-light:#fef2f2;--info:#2563eb;--info-light:#eff6ff;--radius:10px;--radius-sm:6px;--shadow:0 1px 3px rgba(0,0,0,0.06);--shadow-md:0 4px 12px rgba(0,0,0,0.08);--shadow-lg:0 8px 24px rgba(0,0,0,0.12);--transition:all 0.15s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#4f46e5,#7c3aed 50%,#2563eb)}.login-card{background:white;padding:48px 40px;border-radius:20px;box-shadow:var(--shadow-lg);width:100%;max-width:420px;text-align:center}.login-logo{width:56px;height:56px;background:var(--primary);color:white;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;margin:0 auto 20px}.login-card h1{font-size:22px;margin-bottom:6px;font-weight:700}.login-card p{color:var(--text-secondary);margin-bottom:28px;font-size:14px}.login-card input{width:100%;padding:13px 16px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:15px;outline:none;transition:var(--transition);margin-bottom:14px}.login-card input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.12)}.login-card button{width:100%;padding:13px;background:var(--primary);color:white;border:none;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;transition:var(--transition)}.login-card button:hover{background:var(--primary-hover);transform:translateY(-1px)}.login-card button:disabled{opacity:.6;cursor:not-allowed;transform:none}.login-error{color:var(--danger);font-size:13px;margin-top:14px}.login-brand{font-size:13px;color:var(--text-muted);margin-top:24px}.dashboard{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:10}.sidebar-header{padding:20px;border-bottom:1px solid var(--border)}.sidebar-logo{display:flex;align-items:center;gap:10px;margin-bottom:12px}.sidebar-logo .logo-mark{width:32px;height:32px;background:var(--primary);color:white;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}.sidebar-logo h2{font-size:16px;font-weight:700;color:var(--text)}.client-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;background:var(--primary-light);color:var(--primary);border-radius:20px;font-size:12px;font-weight:600}.client-badge .dot{width:6px;height:6px;background:var(--success);border-radius:50%}.sidebar-nav{padding:12px 0;flex:1 1;overflow-y:auto}.nav-section-label{padding:8px 20px 4px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted)}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 20px;color:var(--text-secondary);font-size:13.5px;cursor:pointer;transition:var(--transition);border:none;background:none;width:100%;text-align:left;font-family:inherit}.nav-item:hover{background:var(--bg);color:var(--text)}.nav-item.active{background:var(--primary-light);color:var(--primary);font-weight:600}.nav-item .nav-icon{width:20px;text-align:center;font-size:15px}.badge{margin-left:auto;min-width:20px;height:20px;display:flex;align-items:center;justify-content:center;padding:0 6px;border-radius:10px;font-size:11px;font-weight:700}.badge-danger{background:var(--danger);color:white}.badge-warning{background:var(--warning);color:white}.badge-info{background:var(--info);color:white}.sidebar-footer{padding:14px 20px;border-top:1px solid var(--border);font-size:12px;color:var(--text-muted);display:flex;justify-content:space-between;align-items:center}.sidebar-footer a{color:var(--danger);text-decoration:none;font-weight:500}.sidebar-footer a:hover{text-decoration:underline}.main-content{margin-left:260px;flex:1 1;padding:28px 32px;max-width:1100px}.page-header{margin-bottom:24px}.page-header h1{font-size:22px;font-weight:700}.page-header p{color:var(--text-secondary);font-size:13.5px;margin-top:3px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:14px;gap:14px;margin-bottom:28px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:var(--transition)}.stat-card:hover{box-shadow:var(--shadow-md)}.stat-label{font-size:12px;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.5px}.stat-value{font-size:28px;font-weight:800;margin-top:6px}.stat-value.success{color:var(--success)}.stat-value.warning{color:var(--warning)}.stat-value.danger{color:var(--danger)}.stat-value.info{color:var(--info)}.section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px;overflow:hidden}.section-header{padding:14px 20px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;justify-content:space-between}.section-header h3{font-size:14px;font-weight:600}.file-list{list-style:none}.file-item{display:flex;align-items:center;gap:12px;padding:11px 20px;border-bottom:1px solid var(--border-light);transition:var(--transition)}.file-item:last-child{border-bottom:none}.file-item:hover{background:var(--surface-hover)}.file-icon{width:38px;height:38px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.file-icon.pdf{background:#fef2f2}.file-icon.image{background:#f0fdf4}.file-icon.video{background:#faf5ff}.file-icon.spreadsheet{background:#ecfdf5}.file-icon.document{background:#eff6ff}.file-icon.file,.file-icon.shortcut{background:#f8fafc}.file-info{flex:1 1;min-width:0}.file-name{font-size:13.5px;font-weight:500;color:var(--text);text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}.file-name:hover{color:var(--primary)}.file-meta{font-size:12px;color:var(--text-muted);margin-top:1px}.file-actions{display:flex;gap:6px;flex-shrink:0}.btn{padding:6px 12px;border-radius:var(--radius-sm);font-size:12px;font-weight:600;border:1px solid var(--border);cursor:pointer;transition:var(--transition);text-decoration:none;display:inline-flex;align-items:center;gap:4px;font-family:inherit}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--primary);color:white;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-hover)}.btn-success{background:var(--success);color:white;border-color:var(--success)}.btn-success:hover{background:#047857}.btn-danger{background:white;color:var(--danger);border-color:#fca5a5}.btn-danger:hover{background:var(--danger-light)}.btn-outline{background:white;color:var(--text-secondary)}.btn-outline:hover{background:var(--bg);color:var(--text)}.btn-sm{padding:4px 10px;font-size:11px}.folder-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));grid-gap:12px;gap:12px;padding:16px 20px}.folder-card{border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;cursor:pointer;transition:var(--transition);background:var(--surface)}.folder-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}.folder-card h4{font-size:13px;display:flex;align-items:center;gap:8px;font-weight:600}.folder-card .folder-count{font-size:11px;color:var(--text-muted);margin-top:4px}.approval-actions{display:flex;gap:6px;align-items:center}.comment-input{padding:5px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:12px;width:180px;outline:none;font-family:inherit}.comment-input:focus{border-color:var(--primary)}.approval-status{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600}.approval-status.approved{background:var(--success-light);color:var(--success)}.approval-status.rejected{background:var(--danger-light);color:var(--danger)}.empty-state{padding:48px 20px;text-align:center;color:var(--text-muted)}.empty-state .empty-icon{font-size:40px;margin-bottom:10px;opacity:.6}.empty-state p,.loading{font-size:14px}.loading{display:flex;align-items:center;justify-content:center;padding:48px;color:var(--text-secondary)}.spinner{width:22px;height:22px;border:2.5px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite;margin-right:10px}@keyframes spin{to{transform:rotate(1turn)}}@media (max-width:768px){.sidebar{width:100%;position:relative;height:auto;border-right:none;border-bottom:1px solid var(--border)}.sidebar-nav{display:flex;overflow-x:auto;padding:8px;gap:4px}.nav-item{white-space:nowrap;padding:8px 14px;border-radius:var(--radius-sm)}.nav-section-label{display:none}.main-content{margin-left:0;padding:16px}.stats-grid{grid-template-columns:repeat(2,1fr)}.folder-grid{grid-template-columns:1fr}.dashboard{flex-direction:column}.sidebar-footer{display:none}}