.home-page{background:#f3f4f6;color:#111827;min-height:100vh}.topbar{align-items:center;background:#111827;box-shadow:0 2px 10px #00000026;color:#fff;display:flex;height:72px;justify-content:space-between;padding:0 32px}.topbar h1{font-size:22px;font-weight:600}.logout-btn{background:#ef4444;border:none;border-radius:10px;color:#fff;cursor:pointer;padding:10px 18px;transition:.2s}.logout-btn:hover{background:#dc2626}.home-content{padding:32px}.welcome-card{background:#fff;border-radius:18px;box-shadow:0 8px 30px #0000000f;margin-bottom:28px;padding:24px}.welcome-card h2{margin-bottom:8px}.machine-list{display:flex;flex-direction:column;gap:24px}.machine-card{background:#fff;border:1px solid #e5e7eb;border-radius:18px;box-shadow:0 8px 30px #0000000f;overflow:hidden}.machine-header{align-items:center;background:linear-gradient(135deg,#1f2937,#374151);color:#fff;display:flex;justify-content:space-between;padding:22px 28px}.machine-header h2{font-size:22px;margin-bottom:6px}.serial-text{color:#d1d5db;font-size:14px}.machine-body{padding:24px 28px}.folder-section{margin-bottom:28px}.folder-title{align-items:center;display:flex;font-size:17px;font-weight:600;gap:10px;margin-bottom:14px}.folder-box{background:#f9fafb;border:1px solid #e5e7eb;border-radius:14px;padding:16px 18px}.file-item{align-items:center;border-radius:10px;cursor:pointer;display:flex;gap:12px;padding:12px 14px;transition:.2s}.file-item:hover{background:#eef2ff}.service-block{border-left:3px solid #6366f1;margin-top:18px;padding-left:18px}.service-date{color:#4f46e5;font-weight:600;margin-bottom:12px}.empty-text{color:#9ca3af;font-size:14px}.preview-overlay{align-items:center;background:#000000a6;display:flex;inset:0;justify-content:center;position:fixed;z-index:1000}.preview-modal{background:#fff;border-radius:18px;display:flex;flex-direction:column;height:90%;overflow:hidden;width:90%}.preview-header{align-items:center;border-bottom:1px solid #e5e7eb;display:flex;height:64px;justify-content:space-between;padding:0 20px}.close-btn{background:none;border:none;cursor:pointer;font-size:24px}.pdf-frame{border:none;flex:1 1;width:100%}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Arial,Helvetica,sans-serif}.App{background:linear-gradient(135deg,#0f172a,#1e293b);min-height:100vh}.center-page,.login-container{align-items:center;display:flex;justify-content:center;min-height:100vh}.login-card{background:#fff;border-radius:14px;box-shadow:0 10px 30px #0003;padding:40px;text-align:center;width:380px}.login-card h1{color:#111827;font-size:32px}.login-card p{color:#6b7280;margin:12px 0 24px}.login-card button{background:#111827;border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:16px;padding:14px;width:100%}.login-card button:hover{background:#1f2937}body{margin:0}