/* LabuChat 웹 4a — 로그인 (templates/login.html). 색은 --c4a-* 토큰만 쓴다. */
.lg4 {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 480px;
    min-height: calc(100vh - 8px);
    margin: 0 auto;
    background: var(--c4a-surface);
    color: var(--c4a-ink);
    font-family: var(--c4a-font-text);
    font-variant-numeric: tabular-nums;
}

.lg4-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
    padding: 0 12px 0 8px;
}

.lg4-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: var(--c4a-ink);
    text-decoration: none;
}

.lg4-lang {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding-right: 8px;
    color: var(--c4a-text-secondary);
    font: 500 13px/1 var(--c4a-font-text);
}

.lg4-lang .ms { font-size: 18px; }

.lg4-lang select {
    min-height: 44px;
    padding: 0 2px;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    cursor: pointer;
}

.lg4-main { flex: 1; padding: 16px 24px 0; }

.lg4-logo {
    display: block;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    object-fit: contain;
}

.lg4-title {
    margin: 24px 0 0;
    font: 800 28px/1.3 var(--c4a-font);
    letter-spacing: -.02em;
}

.lg4-sub {
    margin: 12px 0 0;
    color: var(--c4a-text-secondary);
    font: 400 15px/1.6 var(--c4a-font-text);
    text-wrap: pretty;
}

/* 선택한 상대(로그인 게이트) */
.lg4-intent {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 24px 0 0;
    padding: 12px;
    border: 1px solid var(--c4a-line);
    border-radius: var(--c4a-radius-card);
    background: var(--c4a-surface-alt);
    color: inherit;
    text-decoration: none;
}

.lg4-intent img,
.lg4-intent-ph {
    flex: none;
    width: 56px;
    height: 56px;
    border-radius: 99px;
    object-fit: cover;
}

.lg4-intent-ph {
    display: grid;
    place-items: center;
    background: var(--c4a-green-soft);
    color: var(--c4a-green);
}

.lg4-intent-body { min-width: 0; }
.lg4-intent small { display: block; color: var(--c4a-green); font: 600 11px/1.3 var(--c4a-font-text); }
.lg4-intent strong { display: block; margin-top: 2px; font: 700 15px/1.35 var(--c4a-font-text); }
.lg4-intent em { display: block; margin-top: 3px; color: var(--c4a-text-secondary); font: 400 12.5px/1.4 var(--c4a-font-text); font-style: normal; }

/* 목소리 미리듣기 */
.lg4-voice {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 28px 0 0;
    padding: 14px 16px;
    border: 1px solid var(--c4a-line);
    border-radius: var(--c4a-radius-card);
    box-shadow: var(--c4a-shadow);
}

.lg4-voice-avatar {
    flex: none;
    width: 44px;
    height: 44px;
    border-radius: 99px;
    object-fit: cover;
    background: var(--c4a-surface-alt);
}

.lg4-voice-body { flex: 1; min-width: 0; }
.lg4-voice-name { display: flex; align-items: center; gap: 4px; font: 700 15px/1.2 var(--c4a-font-text); }
.lg4-voice-name .ms { font-size: 15px; color: var(--c4a-green); }
.lg4-voice-meta { margin: 4px 0 0; color: var(--c4a-text-secondary); font: 400 12.5px/1 var(--c4a-font-text); }

.lg4-play {
    flex: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    border-radius: 99px;
    background: transparent;
    cursor: pointer;
}

.lg4-play-dot {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 99px;
    background: var(--c4a-green);
    color: #fff;
}

.lg4-play-dot .ms { font-size: 24px; }

.lg4-wave {
    display: flex;
    align-items: center;
    gap: 3px;
    flex-basis: 100%;
    height: 24px;
    margin-top: 2px;
}

.lg4-voice { flex-wrap: wrap; }
.lg4-wave i { flex: 1; border-radius: 2px; background: var(--c4a-line); }
.lg4-wave i.on { background: var(--c4a-green); }

/* 혜택 배너 */
.lg4-benefit {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 16px 0 0;
    padding: 12px 14px;
    border-radius: 14px;
    background: var(--c4a-green-soft);
    color: var(--c4a-green);
}

.lg4-benefit .ms { font-size: 22px; }
.lg4-benefit p { flex: 1; margin: 0; font: 500 13.5px/1.4 var(--c4a-font-text); }

/* 안내 배너(오류·인앱 브라우저) */
.lg4-notice {
    margin: 16px 0 0;
    padding: 12px 14px;
    border-radius: 12px;
    font: 500 13px/1.5 var(--c4a-font-text);
}

.lg4-notice--danger { background: var(--c4a-surface-alt); color: var(--c4a-ink); box-shadow: inset 3px 0 0 var(--c4a-danger); }
.lg4-notice--warn { background: var(--c4a-amber-soft); color: var(--c4a-amber-text); }
.lg4-notice p { margin: 0; }
.lg4-notice--action { display: flex; align-items: center; gap: 12px; }
.lg4-notice--action p { flex: 1; }
.lg4-notice-retry {
    flex: none;
    min-height: 44px;
    padding: 0 14px;
    border: 1.5px solid var(--c4a-ink);
    border-radius: 10px;
    background: var(--c4a-surface);
    color: var(--c4a-ink);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.inapp-login-warning {
    align-items: flex-start;
    gap: 12px;
    margin: 0 0 16px;
    padding: 14px 16px;
    border-radius: 12px;
    background: var(--c4a-amber-soft);
    color: var(--c4a-amber-text);
}

.inapp-login-warning svg { flex-shrink: 0; margin-top: 2px; }
.inapp-login-warning-text { display: flex; flex-direction: column; gap: 4px; }
.inapp-login-warning-text strong { font-size: 14px; }
.inapp-login-warning-text span { font-size: 12px; }

/* 로그인 수단 */
.lg4-actions { padding: 24px 24px 12px; }

.lg4-lead {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    height: 52px;
    margin: 0;
    padding: 0 16px;
    border: 0;
    border-radius: var(--c4a-radius-cta);
    font: 700 16px/1 var(--c4a-font-text);
    cursor: pointer;
}

.lg4-lead--kakao { background: var(--c4a-kakao); color: #191600; }
.lg4-lead--naver { background: #03a94d; color: #fff; }
.lg4-lead--line { background: #06c755; color: #fff; }
.lg4-lead--apple { background: var(--c4a-ink); color: #fff; }
.lg4-lead--google { background: var(--c4a-surface); color: var(--c4a-ink); border: 1px solid var(--c4a-btn-border); }

.lg4-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(72px, 1fr));
    gap: 8px;
    margin-top: 10px;
}

.lg4-cell {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    height: 48px;
    margin: 0;
    padding: 0 6px;
    border: 1px solid var(--c4a-btn-border);
    border-radius: var(--c4a-radius-cta);
    background: var(--c4a-surface);
    color: var(--c4a-ink);
    font: 600 14px/1 var(--c4a-font-text);
    cursor: pointer;
}

.lg4-cell[aria-expanded="true"] { border: 1.5px solid var(--c4a-ink); }
.lg4-lead.btn-disabled,
.lg4-cell.btn-disabled { opacity: .5; cursor: not-allowed; }

.lg4-browse {
    display: block;
    margin: 6px 0 0;
    padding: 12px 0;
    text-align: center;
    color: var(--c4a-green);
    font: 600 14px/1 var(--c4a-font-text);
    text-decoration: none;
}

.lg4-terms {
    margin: 4px 0 0;
    text-align: center;
    color: var(--c4a-text-secondary);
    font: 400 11.5px/1.6 var(--c4a-font-text);
}

.lg4-terms a { color: inherit; text-decoration: underline; }

.lg4-foot { padding: 0 24px 28px; }

/* 이메일 폼 / OTP (이메일 탭 시 펼침) */
#emailAuthForms { margin-top: 16px; }

.email-input {
    width: 100%;
    height: 48px;
    margin-bottom: 10px;
    padding: 0 14px;
    border: 1px solid var(--c4a-btn-border);
    border-radius: var(--c4a-radius-btn);
    background: var(--c4a-surface);
    color: var(--c4a-ink);
    font: 400 15px/1 var(--c4a-font-text);
    box-sizing: border-box;
    outline: none;
}

.email-input:focus { border: 1.5px solid var(--c4a-ink); }

.email-pw-field { position: relative; }
.email-pw-field .email-input { padding-right: 52px; }
.email-pw-toggle {
    position: absolute;
    top: 0;
    right: 0;
    width: 48px;
    height: 48px;
    border: 0;
    background: transparent;
    color: var(--c4a-text-secondary);
    cursor: pointer;
}
.email-pw-toggle .ms { font-size: 22px; }

.btn-email-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 52px;
    margin-top: 4px;
    border: 0;
    border-radius: var(--c4a-radius-cta);
    background: var(--c4a-ink);
    color: #fff;
    font: 600 16px/1 var(--c4a-font-text);
    cursor: pointer;
}

.btn-email-submit:disabled { opacity: .5; cursor: not-allowed; }

.btn-email-text {
    display: block;
    width: 100%;
    min-height: 44px;
    margin-top: 4px;
    border: 0;
    background: transparent;
    color: var(--c4a-green);
    font: 600 14px/1 var(--c4a-font-text);
    cursor: pointer;
}

.otp-hint { margin: 12px 0 8px; color: var(--c4a-text-secondary); font: 400 13px/1.5 var(--c4a-font-text); }
.email-switch-text { margin: 12px 0 0; text-align: center; color: var(--c4a-text-secondary); font: 400 13px/1.5 var(--c4a-font-text); }
.email-switch-link { color: var(--c4a-green); font-weight: 600; text-decoration: none; }

.email-error {
    margin-bottom: 12px;
    padding: 10px 14px;
    border-radius: var(--c4a-radius-btn);
    background: var(--c4a-surface-alt);
    color: var(--c4a-ink);
    box-shadow: inset 3px 0 0 var(--c4a-danger);
    font: 500 13px/1.5 var(--c4a-font-text);
}