:root{--primary-color:#4a6fa5;--secondary-color:#6b8cae;--accent-color:#ff7e5f;--background-color:#f8f9fa;--text-color:#333;--light-color:#ffffff;--error-color:#dc3545;--success-color:#28a745}*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif}body{display:flex;justify-content:center;align-items:center;min-height:100vh;color:var(--text-color);background-color:var(--background-color);background-image:linear-gradient(135deg,#f5f7fa 0,#e4e8eb 100%)}.login-container{background-color:#fff;padding:2.5rem;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.1);width:100%;max-width:450px;text-align:center;animation:fadeIn .5s ease-out}.company-logo{text-align:center;margin-bottom:1.5rem}.company-logo img{max-width:120px;height:auto}.login-header{text-align:center;margin-bottom:2rem}.login-header h1{margin-bottom:.5rem;font-size:1.8rem;color:var(--primary-color)}.login-header p{color:var(--secondary-color);font-size:.95rem}.form-group{margin-bottom:1.5rem;text-align:left}.form-group label{display:block;margin-bottom:.5rem;color:var(--primary-color);font-weight:600;font-size:.9rem}.form-group input{width:100%;padding:12px 15px;border:1px solid #ddd;border-radius:8px;font-size:16px;transition:all .3s}.form-group input:focus{outline:0;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(74,111,165,.2)}.email-domain{position:absolute;right:15px;top:50%;transform:translateY(-50%);color:#666;font-size:16px;pointer-events:none;background:#fff;padding-left:5px;cursor:help}.email-domain:hover{color:var(--primary-color)}.username-input{padding-right:140px!important}.password-container{position:relative}.password-toggle{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--secondary-color);cursor:pointer;padding:5px}.password-toggle:hover{color:var(--primary-color)}.remember-me{display:flex;align-items:center;margin-bottom:1.5rem}.remember-me input{margin-right:8px;width:auto}.remember-me label{color:var(--text-color);font-weight:400;cursor:pointer}.login-btn{width:100%;padding:12px;background-color:var(--primary-color);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s;margin-top:.5rem;display:flex;align-items:center;justify-content:center;gap:8px}.login-btn:hover{background-color:var(--secondary-color);transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,.1)}.login-btn:disabled{opacity:.7;cursor:not-allowed;transform:none!important;box-shadow:none!important}.error-message{color:var(--error-color);font-size:.9rem;margin-top:1rem;text-align:center;padding:10px;background-color:rgba(220,53,69,.1);border-radius:8px;display:none}.spinner{animation:spin 1s linear infinite}@keyframes fadeIn{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}@media (max-width:768px){.background-video{display:none}.background-overlay{display:none}.background-animation{display:block}}@media (max-width:480px){.login-container{padding:1.5rem;margin:1rem;max-width:100%;border-radius:10px}.login-header h1{font-size:1.5rem}.form-group input{padding:10px 12px;font-size:15px}.login-btn{padding:10px;font-size:15px}.background-video{display:none}.background-overlay{display:none}.background-animation{display:block}}.background-video{position:fixed;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:-2}.background-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.4);z-index:-1}.background-animation{position:fixed;top:0;left:0;width:100%;height:100%;background:linear-gradient(-45deg,#4a6fa5,#6b8cae,#ff7e5f,#f8f9fa);background-size:400% 400%;animation:gradientBG 15s ease infinite;z-index:-1;opacity:.7;display:none}@keyframes gradientBG{0%{background-position:0 50%}50%{background-position:100% 50%}100%{background-position:0 50%}}.login-container{transform:translateY(0);transition:transform .3s ease,box-shadow .3s ease}.login-container:hover{transform:translateY(-5px);box-shadow:0 15px 30px rgba(0,0,0,.15)}