*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.login-card{background:#fff;border-radius:16px;box-shadow:0 20px 60px #0000004d;padding:40px;width:100%;max-width:420px;animation:slideUp .5s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.login-header{text-align:center;margin-bottom:32px}.logo-container{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:24px}.logo-image{max-width:250px;height:auto}.login-title{font-size:1.75rem;font-weight:700;color:#1a1a2e;margin:0 0 8px}.login-subtitle{color:#6b7280;font-size:.95rem;margin:0}.login-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-label{font-size:.875rem;font-weight:600;color:#374151}.form-input{padding:14px 16px;border:2px solid #e5e7eb;border-radius:10px;font-size:1rem;transition:all .2s ease;outline:none}.form-input:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea26}.form-input::placeholder{color:#9ca3af}.form-options{display:flex;justify-content:space-between;align-items:center;font-size:.875rem}.checkbox-label{display:flex;align-items:center;gap:8px;color:#4b5563;cursor:pointer}.checkbox-input{width:16px;height:16px;accent-color:#667eea;cursor:pointer}.forgot-link{color:#667eea;text-decoration:none;font-weight:500;transition:color .2s}.forgot-link:hover{color:#764ba2;text-decoration:underline}.login-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:10px;padding:16px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;min-height:52px}.login-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #667eea66}.login-button:active:not(:disabled){transform:translateY(0)}.login-button:disabled{cursor:not-allowed;opacity:.8}.login-button.loading{pointer-events:none}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-message{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;padding:12px 16px;border-radius:8px;font-size:.875rem}.login-footer{text-align:center;margin-top:24px;padding-top:24px;border-top:1px solid #e5e7eb;color:#6b7280;font-size:.875rem}.signup-link{color:#667eea;text-decoration:none;font-weight:600;transition:color .2s}.signup-link:hover{color:#764ba2;text-decoration:underline}.sso-debug{margin-top:20px;padding:16px;background:#f3f4f6;border-radius:8px;font-size:.75rem;color:#6b7280;word-break:break-all}.sso-debug p{margin:4px 0}.sso-debug strong{color:#374151}.verifying-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px}.verifying-spinner{width:50px;height:50px;border:4px solid #e5e7eb;border-top-color:#667eea;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:20px}.verifying-text{color:#6b7280;font-size:1rem;margin:0}.invalid-url-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;text-align:center}.invalid-icon{width:80px;height:80px;color:#dc2626;margin-bottom:24px}.invalid-icon svg{width:100%;height:100%}.invalid-title{font-size:1.5rem;font-weight:700;color:#1a1a2e;margin:0 0 12px}.invalid-message{color:#6b7280;font-size:.95rem;margin:0;line-height:1.6}@media(max-width:480px){.login-card{padding:30px 24px}.login-title{font-size:1.5rem}.form-options{flex-direction:column;gap:12px;align-items:flex-start}}