/* ============================================================
   인증 페이지 (로그인 / 회원가입) - 메인 사이트 테마 계승
   ============================================================ */
:root{
  --bg:#050b12;
  --panel:#08121d;
  --panel2:#0b1623;
  --line:#173047;
  --line2:#20384f;
  --text:#f5f8fb;
  --muted:#9fb0c0;
  --green:#c8f070;
  --danger:#ff7a7a;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;min-height:100%}
body{
  background:
    radial-gradient(circle at 15% -10%, rgba(200,240,112,.10), transparent 32%),
    radial-gradient(circle at 110% 120%, rgba(200,240,112,.06), transparent 40%),
    linear-gradient(180deg,#02080d 0%,#07111c 100%);
  color:var(--text);
  font-family:Pretendard,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}

.auth-wrap{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:32px 18px;
}

.auth-card{
  width:100%;
  max-width:430px;
  background:rgba(8,18,30,.96);
  border:1px solid var(--line);
  border-radius:16px;
  padding:34px 30px 30px;
  box-shadow:0 24px 60px rgba(0,0,0,.45);
}
.auth-card.wide{max-width:520px}

/* 브랜드 */
.auth-brand{display:flex;flex-direction:column;align-items:center;text-align:center;margin-bottom:22px}
.auth-brand img{width:100%;max-width:128px;height:auto;filter:drop-shadow(0 6px 16px rgba(0,0,0,.3));margin-bottom:14px}
.auth-kicker{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;
  border:1px solid rgba(200,240,112,.32);border-radius:999px;
  background:rgba(200,240,112,.06);color:var(--green);
  font-size:11px;font-weight:800;letter-spacing:.3px;
}
.auth-kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);margin-right:7px;box-shadow:0 0 10px rgba(200,240,112,.6)}

.auth-title{margin:14px 0 6px;font-size:24px;font-weight:900;letter-spacing:-.6px;text-align:center}
.auth-title .accent{color:var(--green)}
.auth-sub{margin:0 0 22px;color:var(--muted);font-size:13px;line-height:1.5;text-align:center}

/* 알림 */
.alert{border-radius:9px;padding:11px 13px;font-size:13px;line-height:1.45;margin-bottom:16px;border:1px solid transparent}
.alert-error{background:rgba(255,122,122,.08);border-color:rgba(255,122,122,.35);color:#ffb0b0}
.alert-success{background:rgba(200,240,112,.08);border-color:rgba(200,240,112,.35);color:var(--green)}
.alert ul{margin:6px 0 0;padding-left:18px}
.alert li{margin:2px 0}

/* 폼 */
.form-row{margin-bottom:15px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.form-grid .form-row{margin-bottom:0}
.form-label{display:block;font-size:12px;font-weight:700;color:#cdd9e4;margin-bottom:7px}
.form-label .req{color:var(--green);margin-left:3px}
.form-input{
  width:100%;height:46px;padding:0 14px;
  background:#0b1623;border:1px solid var(--line2);border-radius:9px;
  color:var(--text);font-size:14px;font-family:inherit;
  transition:border-color .15s ease, box-shadow .15s ease;
}
.form-input::placeholder{color:#5d6f80}
.form-input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(200,240,112,.14)}
.form-input.has-error{border-color:rgba(255,122,122,.6)}
textarea.form-input{height:auto;min-height:96px;padding:11px 14px;resize:vertical;line-height:1.5}

.input-wrap{position:relative}
.toggle-pw{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  background:none;border:0;color:var(--muted);font-size:11px;font-weight:700;
  cursor:pointer;padding:6px 8px;border-radius:6px;
}
.toggle-pw:hover{color:var(--green)}

.field-hint{margin:6px 0 0;font-size:11px;color:#76879a;line-height:1.4}
.field-error{margin:6px 0 0;font-size:11px;color:var(--danger)}

/* 체크박스 */
.check-row{display:flex;align-items:flex-start;gap:9px;margin:4px 0 0}
.check-row input{width:16px;height:16px;margin-top:1px;accent-color:var(--green);flex-shrink:0}
.check-row label{font-size:12px;color:#c4d0db;line-height:1.45}
.check-row a{color:var(--green);text-decoration:underline}

.form-meta{display:flex;align-items:center;justify-content:space-between;margin:14px 0 18px}
.form-meta .check-row{margin:0}
.link-muted{color:var(--muted);font-size:12px}
.link-muted:hover{color:var(--green)}

/* 버튼 */
.auth-btn{
  width:100%;height:48px;border:0;border-radius:9px;cursor:pointer;
  background:var(--green);color:#13220a;font-size:15px;font-weight:900;font-family:inherit;
  letter-spacing:-.2px;transition:filter .15s ease, transform .05s ease;
}
.auth-btn:hover{filter:brightness(1.05)}
.auth-btn:active{transform:translateY(1px)}

/* 구분선 / 하단 링크 */
.auth-divider{display:flex;align-items:center;gap:12px;margin:22px 0 18px;color:#516072;font-size:11px}
.auth-divider::before,.auth-divider::after{content:"";flex:1;height:1px;background:var(--line)}
.auth-foot{text-align:center;font-size:13px;color:var(--muted)}
.auth-foot a{color:var(--green);font-weight:800}
.auth-foot a:hover{text-decoration:underline}

.back-home{display:block;text-align:center;margin-top:18px;font-size:12px;color:#6b7c8e}
.back-home:hover{color:var(--green)}

@media (max-width:480px){
  .auth-card{padding:28px 20px 24px;border-radius:14px}
  .form-grid{grid-template-columns:1fr;gap:0}
  .form-grid .form-row{margin-bottom:15px}
  .auth-title{font-size:21px}
}