:root{--primary-color:#4361ee;--primary-light:#eef2ff;--primary-dark:#3f37c9;--primary-hover:#3a53cc;--primary-active:#2e43a3;--secondary-color:#35d8ac;--secondary-light:#e6f7f4;--secondary-dark:#2ba98d;--text-color:#2d3748;--text-dark:#333333;--text-medium:#4a5568;--text-light:#718096;--border-color:#e2e8f0;--background-light:#f5f7fa;--background-white:#ffffff;--border-light:#e2e8f0;--border-medium:#cbd5e0;--shadow-color:rgba(0,0,0,.1);--danger-color:#e53e3e;--danger-light:#feb2b2;--danger-dark:#c53030;--danger-bg:#fff5f5;--success-color:#16a34a;--success-hover:#138a3f;--warning-color:#ff9800;--box-shadow:0 4px 6px rgba(0,0,0,.1);--box-shadow-sm:0 2px 4px rgba(0,0,0,.05);--box-shadow-lg:0 10px 15px -3px rgba(0,0,0,.1);--border-radius:8px;--transition:all .3s ease;}*{box-sizing:border-box;font-family:'Rubik',sans-serif;font-size:16px;}body{background-color:var(--background-light);margin:0;justify-content:center;align-items:center;min-height:100vh;color:var(--text-dark);}.login,.register,.reset-password,.forgotten-username{background-color:var(--background-white);box-shadow:0 4px 16px var(--shadow-color);border-radius:8px;overflow:hidden;border-top:5px solid var(--primary-color);}.register{width:800px;max-width:90%;margin:40px auto;}.login,.reset-password,.forgotten-username{width:400px;margin:0 auto;margin-top:20px;}.login h1,.register h1,.reset-password h1,.forgotten-username h1{font-size:22px;margin:24px;color:white;font-weight:600;text-align:center;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));padding:15px;border-radius:var(--border-radius);border:none;box-shadow:0 3px 6px rgba(0,0,0,.1);}.login form,.register form,.reset-password form,.forgotten-username form{display:flex;flex-wrap:wrap;justify-content:center;padding:24px;}.login form .input-group,.register form .input-group,.reset-password form .input-group,.forgotten-username form .input-group{position:relative;width:100%;margin-bottom:20px;}.login form label,.register form label,.reset-password form label,.forgotten-username form label{display:flex;justify-content:center;align-items:center;width:50px;height:50px;background-color:var(--primary-color);color:var(--background-white);border-top-left-radius:6px;border-bottom-left-radius:6px;flex-direction:row;align-content:center;margin-bottom:15px;}.login form input[type="password"],.login form input[type="text"],.register form input[type="text"],.register form input[type="password"],.register form input[type="email"],.register select,.reset-password input[type="text"],.reset-password form input[type="password"],.reset-password form input[type="email"],.forgotten-username form input[type="text"],.forgotten-username form 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a.secondary-link:nth-child(2):hover{background-color:var(--success-hover);transform:translateY(-2px);box-shadow:0 4px 8px rgba(53,216,172,.2);}.action-links a.secondary-link:nth-child(2):active{background-color:#1e9476;transform:translateY(1px);box-shadow:0 1px 2px rgba(53,216,172,.1);}.action-links a.secondary-link:nth-child(3){background-color:var(--danger-color);color:white;}.action-links a.secondary-link:nth-child(3):hover{background-color:#f57c00;transform:translateY(-2px);box-shadow:0 4px 8px rgba(255,152,0,.2);}.action-links a.secondary-link:nth-child(3):active{background-color:#e65100;transform:translateY(1px);box-shadow:0 1px 2px rgba(255,152,0,.1);}.action-links{text-align:center;margin:16px 0;display:flex;flex-wrap:wrap;justify-content:center;gap:10px;}@media (max-width:480px){.action-links{flex-direction:column}.login .register-link,.login a,.register .register-link,.register a,.reset-link,.reset-link a{width:100%;margin:6px 0}}.register form 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.input-group.code{width:20%;}#reset-message,#register-message,#error-log{display:block;padding:12px 16px;color:var(--danger-color);border:1px solid var(--danger-light);background-color:var(--danger-bg);border-radius:6px;width:100%;text-align:center;font-size:14px;}.success-message{background-color:#d4edda;color:#155724;padding:12px 15px;margin-bottom:15px;border-radius:4px;border:1px solid #c3e6cb;text-align:center;}.error-log{background-color:#f8d7da;color:#721c24;padding:12px 15px;margin-top:15px;border-radius:4px;border:1px solid #f5c6cb;text-align:center;}#error-message{display:none;text-align:center;position:fixed;background-color:var(--background-white);border-radius:8px;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 10px 15px -3px var(--shadow-color),0 4px 6px -2px rgba(0,0,0,.05);z-index:9999;padding:24px;width:400px;border:none;max-width:90vw;}#error-message h3{color:var(--primary-color);margin-top:0;font-size:18px;font-weight:500;}#error-message p{color:var(--text-medium);margin-bottom:16px;}#error-message button{padding:8px 16px;background-color:var(--primary-color);color:white;border:none;border-radius:6px;cursor:pointer;transition:all .2s;font-weight:500;}#error-message button:hover{background-color:var(--primary-hover);}.message-container{padding:12px 15px;border-radius:4px;margin-bottom:20px;animation:fadeIn .3s ease;}.message-container.success{background-color:#d4edda;color:#155724;border:1px solid #c3e6cb;}.message-container.error{background-color:#f8d7da;color:#721c24;border:1px solid #f5c6cb;}@keyframes fadeIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.reset-password-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;}.reset-password-inner{background-color:var(--background-white);padding:24px;border-radius:8px;box-shadow:0 4px 16px var(--shadow-color);width:400px;max-width:90vw;}.reset-password-inner h1{text-align:center;margin-bottom:24px;color:var(--primary-color);font-size:20px;font-weight:500;}.reset-password-inner form{text-align:center;}.reset-password-inner label{display:block;text-align:left;margin-bottom:8px;color:var(--text-medium);font-weight:500;}@media (max-width:768px){.register{width:95%}.register form .form-row{flex-direction:column}.register form .form-row .input-group{width:100%!important;margin-right:0;margin-bottom:16px}.login,.reset-password,.forgotten-username{width:95%;max-width:400px}}.sso-options{margin-top:20px;text-align:center;border-top:1px solid #ddd;padding-top:20px;}.btn-microsoft{background-color:#2f2f2f;color:white;border:none;padding:14px;border-radius:6px;cursor:pointer;align-items:center;justify-content:center;margin:0 auto;width:100%;}.btn-microsoft img{margin-right:10px;}