:root{color-scheme:light;--background:#f6f4ef;--surface:#ffffff;--text:#202124;--muted:#6d6a63;--line:#dfdad1;--accent:#f27a2c;--accent-dark:#be4e12;--focus:#176b87;--success-bg:#eef8f1;--success-text:#176b3a;--error-bg:#fff1f0;--error-text:#b42318}*{box-sizing:border-box}body,html{min-height:100%}body{margin:0;background:linear-gradient(180deg,rgba(255,255,255,.78),rgba(255,255,255,0)),var(--background);color:var(--text);font-family:Arial,Apple SD Gothic Neo,Noto Sans KR,sans-serif}button,input{font:inherit}.auth-shell{display:grid;min-height:100vh;place-items:center;padding:32px 18px}.auth-panel{width:min(100%,420px);border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:0 24px 70px rgba(46,38,28,.12);padding:28px}.brand-row{display:flex;align-items:center;gap:14px;margin-bottom:28px}.brand-mark{display:grid;width:44px;height:44px;place-items:center;border-radius:8px;background:var(--accent);color:#ffffff;font-size:22px;font-weight:800}.eyebrow{margin:0 0 4px;color:var(--muted);font-size:13px;font-weight:700;letter-spacing:0}h1{margin:0;font-size:26px;line-height:1.2}.login-form{display:grid;grid-gap:16px;gap:16px}label{display:grid;grid-gap:8px;gap:8px;color:var(--muted);font-size:13px;font-weight:700}input{width:100%;height:46px;border:1px solid var(--line);border-radius:6px;background:#ffffff;color:var(--text);padding:0 13px;outline:none}input:focus{border-color:var(--focus);box-shadow:0 0 0 3px rgba(23,107,135,.16)}button{height:46px;border:0;border-radius:6px;background:var(--accent);color:#ffffff;cursor:pointer;font-weight:800}button:hover{background:var(--accent-dark)}button:disabled{cursor:wait;opacity:.7}.status-box{display:grid;grid-gap:4px;gap:4px;margin-top:18px;border-radius:6px;padding:12px;font-size:14px;line-height:1.45}.status-box.success{background:var(--success-bg);color:var(--success-text)}.status-box.error{background:var(--error-bg);color:var(--error-text)}@media (max-width:420px){.auth-panel{padding:22px}h1{font-size:24px}}