:root{--primary-color:#4a6fa5;--accent-color:#ff6b6b;--bg-color:#f9f9f9;--text-color:#333}*{box-sizing:border-box;margin:0;padding:0;font-family:segoe ui,Tahoma,Geneva,Verdana,sans-serif}body{background-color:var(--bg-color);display:flex;justify-content:center;align-items:center;min-height:100vh;color:var(--text-color)}.signup-container{background-color:#fff;border-radius:10px;box-shadow:0 8px 20px rgba(0,0,0,.1);width:400px;overflow:hidden;animation:fadeIn .5s ease-in-out}@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.header{background-color:var(--primary-color);color:#fff;padding:20px;text-align:center}.header h1{font-weight:300;margin-bottom:5px}.header p{opacity:.8;font-size:14px}.form-container{padding:30px}.form-group{margin-bottom:20px}label{display:block;margin-bottom:8px;font-weight:500;color:#555}input{width:100%;padding:12px;border:1px solid #ddd;border-radius:4px;font-size:16px;transition:border-color .3s,box-shadow .3s}input:focus{border-color:var(--primary-color);box-shadow:0 0 0 2px rgba(74,111,165,.2);outline:none}.btn{background-color:var(--primary-color);color:#fff;border:none;padding:12px 20px;width:100%;font-size:16px;border-radius:4px;cursor:pointer;transition:background-color .3s}.btn:hover{background-color:#3a5a8a}.btn:disabled{background-color:#ccc;color:#888;cursor:not-allowed;opacity:.7}.btn:disabled:hover{background-color:#ccc}.email-domain{display:flex;align-items:center}.email-domain span{padding:12px;background-color:#f0f0f0;border:1px solid #ddd;border-left:none;border-radius:0 4px 4px 0;color:#666}.email-domain input{border-radius:4px 0 0 4px}.options{display:flex;justify-content:space-between;font-size:14px;margin-top:20px}.options a{color:var(--primary-color);text-decoration:none}.options a:hover{text-decoration:underline}.password-strength{height:5px;background-color:#ddd;margin-top:8px;border-radius:3px;overflow:hidden}.strength-meter{height:100%;width:0%;transition:width .3s,background-color .3s}.turnstile-container{margin:20px 0;padding:15px;border:1px solid #ddd;border-radius:4px;background-color:#f9f9f9;display:flex;align-items:center;cursor:pointer;transition:background-color .2s}.turnstile-container:hover{background-color:#f0f0f0}.turnstile-container.verified{cursor:default;background-color:#f0f9ff;border-color:#15a352}.turnstile-container.verifying{cursor:wait}.turnstile-checkbox{width:24px;height:24px;border:2px solid #555;border-radius:3px;margin-right:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background-color:#fff;position:relative}.turnstile-checkbox.verified{background-color:#15a352;border-color:#15a352}.turnstile-checkbox.verifying{border-color:var(--primary-color)}.checkmark{display:none;color:#fff;font-weight:700;font-size:18px}.turnstile-checkbox.verified .checkmark{display:block}.spinner{display:none;width:16px;height:16px;border:2px solid #f3f3f3;border-top:2px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}.turnstile-checkbox.verifying .spinner{display:block}@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}.turnstile-text{flex-grow:1;font-size:14px;color:#555}.turnstile-logo{display:flex;align-items:center;font-size:11px;color:#888;gap:4px}.turnstile-logo svg{width:16px;height:16px}.popover-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);z-index:1000;animation:fadeIn .3s ease-in-out}.popover-overlay.show{display:flex;justify-content:center;align-items:center}.popover-content{background-color:#fff;border-radius:10px;box-shadow:0 8px 20px rgba(0,0,0,.2);width:90%;max-width:700px;max-height:80vh;overflow:hidden;display:flex;flex-direction:column;animation:slideUp .3s ease-in-out}@keyframes slideUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.popover-header{background-color:var(--primary-color);color:#fff;padding:20px;display:flex;justify-content:space-between;align-items:center}.popover-header h2{font-weight:400;margin:0}.popover-close{background:0 0;border:none;color:#fff;font-size:28px;cursor:pointer;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;transition:opacity .2s}.popover-close:hover{opacity:.7}.popover-body{padding:30px;overflow-y:auto;color:var(--text-color)}.popover-body h3{color:var(--primary-color);margin-top:20px;margin-bottom:10px;font-size:18px}.popover-body h3:first-child{margin-top:0}.popover-body p{line-height:1.6;margin-bottom:15px;color:#555}.popover-body ul{margin-left:20px;margin-bottom:15px}.popover-body li{line-height:1.6;margin-bottom:8px;color:#555}.form-group.hidden{display:none}