.login-box,body{background:#fff}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-container{width:100%;max-width:440px}.login-box{border-radius:20px;box-shadow:0 4px 6px -1px rgba(0,0,0,.05),0 2px 4px -1px rgba(0,0,0,.03);border:1px solid #f3f4f6;padding:48px 40px}.login-header{text-align:center;margin-bottom:32px}.login-logo{max-width:140px;height:auto;margin-bottom:32px;filter:drop-shadow(0 2px 4px rgba(0, 0, 0, .05))}.login-header h1{font-size:32px;font-weight:700;color:#111827;margin-bottom:12px;letter-spacing:-.5px}.login-header p{font-size:15px;color:#6b7280;font-weight:400}.login-form{margin-bottom:24px}.form-group{margin-bottom:20px}.form-label{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:#374151;margin-bottom:8px}.form-label i{color:#6b7280;font-size:14px}.form-input{width:100%;padding:13px 16px;border:1.5px solid #e5e7eb;border-radius:10px;font-size:15px;color:#1f2937;transition:.2s;background:#fafafa}.form-input:focus{outline:0;border-color:#2563eb;background:#fff;box-shadow:0 0 0 3px rgba(37,99,235,.08)}.password-input-wrapper{position:relative}.password-input-wrapper .form-input{padding-right:48px}.toggle-password{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:0 0;border:none;color:#6b7280;cursor:pointer;padding:8px;transition:color .2s}.toggle-password:hover{color:#2563eb}.form-options{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.btn-login,.remember-me{align-items:center;gap:8px;cursor:pointer;display:flex}.remember-me{font-size:14px;color:#374151}.remember-me input[type=checkbox]{width:16px;height:16px;cursor:pointer}.btn-login{width:100%;padding:14px 24px;background:#2563eb;color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:600;transition:.2s;justify-content:center}.btn-login:hover:not(:disabled){background:#1d4ed8;box-shadow:0 4px 12px rgba(37,99,235,.3)}.btn-login:disabled{opacity:.7;cursor:not-allowed}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.error-message{margin-top:16px;padding:12px 16px;background-color:#fef2f2;border:1px solid #fecaca;border-radius:8px;color:#dc2626;font-size:14px;display:flex;align-items:center;gap:8px}.error-message::before{content:'⚠';font-size:16px}.login-footer{text-align:center;padding-top:24px;border-top:1px solid #e5e7eb}.login-footer p{font-size:13px;color:#6b7280}@media (max-width:480px){.login-box{padding:32px 24px}.login-header h1{font-size:24px}}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.5);z-index:1000;align-items:center;justify-content:center}.modal{background-color:#fff;border-radius:16px;width:90%;max-width:440px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 25px -5px rgba(0,0,0,.1)}.modal-header{padding:24px 32px;border-bottom:1px solid #e5e7eb}.modal-title{font-size:20px;font-weight:600;color:#1f2937}.modal-body{padding:24px 32px 32px}.install-app-btn{width:100%;padding:12px 20px;background:linear-gradient(135deg,#667eea 0,#764ba2 100%);color:#fff;border:none;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;transition:.3s;display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:20px;box-shadow:0 4px 12px rgba(102,126,234,.3)}.install-app-btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(102,126,234,.4)}.install-app-btn:active{transform:translateY(0)}.install-app-btn i{font-size:16px}