:root{--blue: #0057FF;--blue-dark: #0041cc;--dark: #111111;--gray: #555555;--light-gray: #f7f7f7;--border: #e5e5e5;--white: #ffffff;--red: #cc2200}*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--white);color:var(--dark);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:720px;margin:0 auto;padding:0 24px}.container-wide{max-width:960px;margin:0 auto;padding:0 24px}.nav{border-bottom:1px solid var(--border);padding:16px 0}.nav-inner{display:flex;align-items:center;justify-content:space-between;max-width:960px;margin:0 auto;padding:0 24px}.nav-brand{font-weight:700;font-size:15px;color:var(--dark);text-decoration:none}.nav-brand span{color:var(--blue)}.nav-links{display:flex;gap:20px;align-items:center;font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:6px;font-size:15px;font-weight:500;font-family:inherit;cursor:pointer;border:none;transition:background .15s,opacity .15s;text-decoration:none;white-space:nowrap}.btn-primary{background:var(--blue);color:var(--white)}.btn-primary:hover{background:var(--blue-dark);text-decoration:none;color:var(--white)}.btn-secondary{background:var(--light-gray);color:var(--dark);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border);text-decoration:none}.btn-outline{background:transparent;color:var(--blue);border:1px solid var(--blue)}.btn-outline:hover{background:var(--blue);color:var(--white);text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-lg{padding:14px 28px;font-size:16px}.btn-sm{padding:7px 14px;font-size:13px}.form-group{margin-bottom:20px}label{display:block;font-size:14px;font-weight:500;margin-bottom:6px;color:var(--dark)}.label-optional{color:var(--gray);font-weight:400}input[type=text],input[type=email],textarea,select{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:6px;font-size:15px;font-family:inherit;color:var(--dark);background:var(--white);transition:border-color .15s;outline:none}input[type=text]:focus,input[type=email]:focus,textarea:focus,select:focus{border-color:var(--blue)}textarea{resize:vertical;line-height:1.5}.helper-text{font-size:13px;color:var(--gray);margin-top:6px}.card{background:var(--white);border:1px solid var(--border);border-radius:10px;padding:28px}.error-msg{background:#fff3f2;border:1px solid #ffccc7;color:var(--red);border-radius:6px;padding:12px 16px;font-size:14px;margin-bottom:16px}.success-msg{background:#f0faf0;border:1px solid #b7eab7;color:#1a7a1a;border-radius:6px;padding:12px 16px;font-size:14px;margin-bottom:16px}.page{min-height:100vh}.page-center{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 24px}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.spinner-dark{border:2px solid var(--border);border-top-color:var(--blue)}@keyframes spin{to{transform:rotate(360deg)}}.text-gray{color:var(--gray)}.text-sm{font-size:14px}.text-xs{font-size:12px}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}.mt-48{margin-top:48px}.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.flex{display:flex}.flex-col{flex-direction:column}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.items-center{align-items:center}.justify-between{justify-content:space-between}@media (max-width: 600px){.container,.container-wide{padding:0 16px}.card{padding:20px}}