:root{--primary:#2563eb;--primary-hover:#1d4ed8;--primary-glow:rgba(37, 99, 235, 0.25);--bg-body-start:#f8fafc;--bg-body-end:#e0e7ff;--bg-card:#ffffff;--text-main:#0f172a;--text-muted:#64748b;--border:#e2e8f0;--shadow-sm:0 1px 2px rgba(0, 0, 0, 0.05);--shadow-md:0 4px 6px -1px rgba(0, 0, 0, 0.08),0 2px 4px -1px rgba(0, 0, 0, 0.04);--shadow-lg:0 10px 25px -5px rgba(0, 0, 0, 0.08),0 4px 10px -5px rgba(0, 0, 0, 0.04)}*{box-sizing:border-box}body{font-family:Pretendard,-apple-system,BlinkMacSystemFont,sans-serif;word-break:keep-all;background:radial-gradient(900px 520px at 16% 0,rgba(37,99,235,.3),transparent 60%),radial-gradient(820px 520px at 88% 25%,rgba(99,102,241,.2),transparent 60%),radial-gradient(700px 460px at 60% 100%,rgba(6,182,212,.14),transparent 65%),#0b1220;background-attachment:fixed;color:var(--text-main);display:flex;justify-content:center;align-items:center;min-height:100vh;margin:0;padding:24px}.login-card{background:var(--bg-card);padding:48px 40px;border-radius:20px;box-shadow:var(--shadow-lg);width:100%;max-width:550px;text-align:center;transition:box-shadow .25s ease,transform .25s ease}.login-card:hover{box-shadow:0 20px 40px -10px rgba(37,99,235,.08),0 8px 20px -8px rgba(0,0,0,.06)}.login-header{margin-bottom:32px}.logo{font-size:1.5rem;font-weight:700;color:var(--text-main);margin-bottom:6px;display:inline-flex;flex-direction:column;align-items:center;gap:8px}.logo img{height:44px;width:auto}.subtitle{color:var(--text-muted);font-size:.9375rem;letter-spacing:-.01em;margin:0;line-height:1.4}.btn-google{width:100%;padding:14px 16px;border:1.5px solid var(--border);border-radius:12px;background:#fff;color:var(--text-main);font-weight:500;font-size:.9375rem;display:flex;align-items:center;justify-content:center;gap:12px;cursor:pointer;transition:border-color .2s,background .2s,box-shadow .2s;margin-bottom:24px}.btn-google:hover{background:#f8fafc;border-color:#cbd5e1;box-shadow:var(--shadow-sm)}.btn-google:active{transform:scale(.99)}.divider{display:flex;align-items:center;color:var(--text-muted);font-size:.8125rem;margin-bottom:24px}.divider::after,.divider::before{content:"";flex:1;border-bottom:1px solid var(--border)}.divider::before{margin-right:12px}.divider::after{margin-left:12px}.form-group{margin-bottom:16px;text-align:left}.form-label{display:block;font-size:.875rem;font-weight:500;color:var(--text-main);margin-bottom:6px}.form-input{width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:10px;font-size:.9375rem;outline:0;transition:border-color .2s,box-shadow .2s}.form-input::placeholder{color:#94a3b8}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.info-callout{margin:0 0 20px;padding:14px 16px 14px 44px;background:linear-gradient(135deg,#f8fafc 0,#f1f5f9 100%);border:1px solid var(--border);border-radius:12px;border-left:3px solid var(--primary);position:relative;text-align:left;box-shadow:var(--shadow-sm)}.info-callout::before{content:"";position:absolute;left:14px;top:50%;transform:translateY(-50%);width:20px;height:20px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%232563eb' stroke-width='1.8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M21.75 6.75v10.5a2.25 2.25 0 01-2.25 2.25h-15a2.25 2.25 0 01-2.25-2.25V6.75m19.5 0A2.25 2.25 0 0019.5 4.5h-15a2.25 2.25 0 00-2.25 2.25m19.5 0v.243a2.25 2.25 0 01-1.07 1.916l-7.5 4.615a2.25 2.25 0 01-2.36 0L3.32 8.91a2.25 2.25 0 01-1.07-1.916V6.75'/%3E%3C/svg%3E") center/contain no-repeat}.info-callout .info-callout-title{font-size:.8125rem;font-weight:600;color:var(--text-main);margin:0 0 4px}.info-callout .info-callout-body{font-size:.8125rem;color:var(--text-muted);line-height:1.5;margin:0}.email-link-confirm-wrap{display:none;margin-bottom:16px}.email-link-confirm-wrap .form-input{margin-bottom:10px}.email-link-confirm-wrap p{font-size:.9rem;color:var(--text-muted);margin:0 0 12px}.btn-primary{width:100%;padding:14px;background:var(--primary);color:#fff;border:none;border-radius:12px;font-weight:600;font-size:.9375rem;cursor:pointer;transition:background .2s,box-shadow .2s}.btn-primary:hover{background:var(--primary-hover);box-shadow:0 4px 12px rgba(37,99,235,.3)}.btn-primary:active{transform:scale(.99)}.footer-links{margin-top:24px;font-size:.75rem;color:#94a3b8}.footer-links a{color:inherit;text-decoration:none;transition:color .2s}.footer-links a:hover{color:var(--primary)}.footer-links span{margin:0 6px;color:#cbd5e1}#error-msg{font-size:.875rem;margin-bottom:16px;padding:10px 12px;border-radius:8px;display:none}#error-msg.error{color:#b91c1c;background:#fef2f2}#error-msg.success{color:#065f46;background:#ecfdf5}