.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#f8fafc,#e2e8f0);padding:20px}.login-card{background:#fff;padding:40px;border-radius:24px;border:2px solid #cbd5e1;box-shadow:0 15px 35px #0f172a1a;width:100%;max-width:400px;text-align:center}.login-card h1{font-size:1.6rem;margin-bottom:12px;color:#1e3a8a;font-weight:800}.login-card input{width:100%;padding:16px;margin:20px 0;border:2px solid #64748b;border-radius:12px;font-size:1.25rem;text-align:center;letter-spacing:5px;color:#0f172a;font-weight:700;background:#f8fafc;transition:all .2s;box-sizing:border-box}.login-card input:focus{outline:none;border-color:#2563eb;background:#fff;box-shadow:0 0 0 3px #2563eb33}.btn-login{width:100%;background:#1e3a8a;color:#fff;padding:16px;border-radius:12px;font-weight:800;font-size:1.1rem;border:none;cursor:pointer;transition:all .2s;box-shadow:0 4px 15px #1e3a8a4d}.btn-login:hover{background:#1e40af;transform:translateY(-2px);box-shadow:0 8px 25px #1e3a8a66}.error-msg{color:#ff4d4d;margin-bottom:15px;font-size:.9rem}走:root{--primary: #1a237e;--bg: #f5f7fa;--accent: #ff9800}body{font-family:Inter,system-ui,-apple-system,sans-serif;margin:0;background:var(--bg);color:#333}.header{background:var(--primary);color:#fff;padding:2.5rem 1rem;text-align:center;position:sticky;top:0;z-index:100;box-shadow:0 4px 12px #0000001a}.container{max-width:600px;margin:0 auto;padding:1rem}.file-card{background:#fff;border-radius:16px;padding:1.25rem;margin-bottom:1rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 4px 6px #0000000a;transition:transform .3s ease,box-shadow .3s ease;animation:slideIn .6s cubic-bezier(.23,1,.32,1)}.file-card:hover{transform:translateY(-2px);box-shadow:0 8px 15px #00000014}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.badge-new{background:var(--accent);color:#fff;padding:2px 8px;border-radius:20px;font-size:.7rem;font-weight:700;margin-left:8px}.btn-view{background:#e8eaf6;color:var(--primary);border:none;padding:10px 20px;border-radius:12px;font-weight:600;cursor:pointer;transition:background .2s}.btn-view:hover{background:#c5cae9}