:root{--green:#3E5A82;--green-soft:#E6EAEF;--text:#202326;--muted:#6C7570;--line:#D0D3D6;--paper:#fff;--bg:#F0F0F0;--red:#B04A40}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:system-ui,sans-serif;background:var(--bg);color:var(--text)}
button,input,select,textarea{font-family:inherit}
.login-shell{min-height:100dvh;display:grid;place-items:center;padding:24px}
.login-card{width:min(420px,100%);background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:0 12px 40px rgba(34,34,34,.08);text-align:center}
.login-brand{display:flex;align-items:baseline;justify-content:center;gap:7px;margin-bottom:18px}
.login-brand-mark{color:var(--green);font-size:30px;font-weight:900;letter-spacing:-1px;line-height:1}
.login-brand-name{color:#9CA1A7;font-size:13px;font-weight:700;letter-spacing:.14em}
p{font-size:14px;line-height:1.7;color:var(--muted);margin:0 0 24px}
.login-card>p{font-size:18px;font-weight:600;line-height:1.55;color:#5F6670}
.login-form{display:grid;gap:12px;text-align:left}
.login-field{display:grid;gap:6px}
.login-field span{font-size:12px;font-weight:600;color:#53605c}
.login-field input{height:46px;width:100%;border:1px solid #D5D9DE;border-radius:11px;background:#fff;color:var(--text);padding:0 13px;font-size:16px;outline:none}
.login-field input:focus{border-color:#A9C4F8;box-shadow:0 0 0 2px rgba(52,120,246,.10)}
.login-submit{height:50px;width:100%;margin-top:6px;border:1px solid var(--green);border-radius:11px;background:var(--green);color:#fff;font-size:15px;font-weight:700;cursor:pointer;transition:.15s}
.login-submit:hover{filter:brightness(.96)}
.login-submit:disabled{opacity:.7;cursor:default}
.login-error{padding:11px 13px;border-radius:10px;background:#FDECEC;color:var(--red);font-size:13px;line-height:1.5;margin-bottom:14px}
small{display:block;color:#8D939A;font-size:11.5px;margin-top:18px;line-height:1.5}
@media(max-width:520px){.login-shell{padding:16px}.login-card{padding:28px 20px;border-radius:16px}}
.login-account-note{margin-top:16px}
.login-dialog-backdrop{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:20px;background:rgba(24,28,32,.38)}
.login-dialog-backdrop[hidden]{display:none}
.login-dialog{width:min(360px,100%);background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 18px 50px rgba(20,24,28,.18);text-align:left}
.login-dialog h2{margin:0 0 9px;font-size:18px;line-height:1.35}
.login-dialog p{margin:0;color:#5F6670;font-size:13.5px;line-height:1.65;white-space:normal}
.login-dialog button{display:block;min-width:72px;height:38px;margin:20px 0 0 auto;padding:0 16px;border:0;border-radius:9px;background:var(--green);color:#fff;font-size:13px;font-weight:700;cursor:pointer}
.login-dialog button:hover{filter:brightness(.96)}
.login-card h1{margin:0 0 8px;font-size:20px;font-weight:800;color:#151719}
.login-desc{font-size:14px!important;font-weight:400!important;line-height:1.65!important;color:#5F6670!important;margin:0 0 20px!important}
.login-desc strong{color:#202326;word-break:break-all}
.login-field span em{font-style:normal;font-weight:400;color:#8D939A;margin-left:4px}
.login-links{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:16px;font-size:13px;color:#8D939A}
.login-links a{color:#5F6670;font-weight:600;text-decoration:none}
.login-links a:hover{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.login-notice{padding:10px 13px;border-radius:10px;background:var(--green-soft);color:var(--green);font-size:13px;font-weight:600;margin-bottom:14px}
.login-info{padding:10px 13px;border-radius:10px;background:#F8EFCF;color:#5c4a14;font-size:13.5px;font-weight:600;margin-bottom:16px;word-break:break-all}
.login-hint{margin:-8px 0 16px}
.link-button{display:flex;align-items:center;justify-content:center;text-decoration:none;box-sizing:border-box}
/* club-dues-ledger 색: 입력 칸은 바탕색, 고르면 흰 바탕 + 기본색 테두리 */
.login-field input{background:var(--bg);border-color:var(--line)}
.login-field input:focus{background:#fff;border-color:var(--green);box-shadow:0 0 0 1px var(--green)}
.login-submit:hover{filter:brightness(1.08)}