/* 
 * 텔레그램 사용자명 중복 가이드 전용 스타일
 * Root ID: #ag-username-duplicate-guide
 */

#ag-username-duplicate-guide {
    max-width: 1100px;
    margin: 20px auto !important;
    width: 100% !important;
    font-family: 'Pretendard', sans-serif !important;
    color: #334155 !important;
    line-height: 1.8 !important;
    background-color: #f8fafc !important;
    padding: 40px 20px !important;
    box-sizing: border-box !important;
    border-radius: 25px !important;
    letter-spacing: -0.015em !important;
}

/* 텍스트 컬러 방어 체계 (Premium Protection) */
#ag-username-duplicate-guide p, 
#ag-username-duplicate-guide h1, 
#ag-username-duplicate-guide h2, 
#ag-username-duplicate-guide h3, 
#ag-username-duplicate-guide h4, 
#ag-username-duplicate-guide ul, 
#ag-username-duplicate-guide li,
#ag-username-duplicate-guide span,
#ag-username-duplicate-guide strong,
#ag-username-duplicate-guide code {
    margin: 0 !important;
    padding: 0 !important;
    color: inherit !important;
}

/* 헤더 - 스타일 보호 (Verification Blue Gradient) */
#ag-username-duplicate-guide .ag-header {
    text-align: center !important;
    margin-bottom: 50px !important;
    padding: 85px 20px !important;
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%) !important;
    border-radius: 30px !important;
    color: #ffffff !important;
    display: block !important;
    position: relative !important;
    overflow: hidden !important;
}

#ag-username-duplicate-guide .ag-header__visual {
    margin-bottom: 30px !important;
    position: relative !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
}

#ag-username-duplicate-guide .ag-identity-check {
    width: 90px !important;
    height: 90px !important;
    background: #ffffff !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 3rem !important;
    color: #1d4ed8 !important;
    margin-bottom: 25px !important;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1) !important;
    z-index: 2 !important;
}

#ag-username-duplicate-guide .ag-header__synergy {
    display: flex !important;
    gap: 15px !important;
    font-size: 2rem !important;
    opacity: 0.6 !important;
}

#ag-username-duplicate-guide .ag-header__title {
    font-size: 2.5rem !important;
    font-weight: 900 !important;
    color: #ffffff !important;
    margin-bottom: 15px !important;
    word-break: keep-all !important;
}

#ag-username-duplicate-guide .ag-header__subtitle {
    font-size: 1.35rem !important;
    color: #ffffff !important;
    opacity: 0.9 !important;
}

/* 섹션 타이틀 */
#ag-username-duplicate-guide .ag-section__title {
    font-size: 1.8rem !important;
    font-weight: 800 !important;
    color: #1e293b !important;
    margin-bottom: 35px !important;
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    border-bottom: 2px solid #e2e8f0 !important;
    padding-bottom: 15px !important;
}

#ag-username-duplicate-guide .ag-section__title i { color: #1d4ed8 !important; }

/* 1. 규칙 그리드 */
#ag-username-duplicate-guide .ag-rule-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 20px !important;
    margin-bottom: 60px !important;
}

#ag-username-duplicate-guide .ag-rule-card {
    background: #ffffff !important;
    padding: 40px 25px !important;
    border-radius: 20px !important;
    text-align: center !important;
    border: 1px solid #e2e8f0 !important;
}

#ag-username-duplicate-guide .ag-rule-card i {
    font-size: 2.22rem !important;
    color: #1d4ed8 !important;
    margin-bottom: 20px !important;
    display: block !important;
}

#ag-username-duplicate-guide .ag-rule-card h3 {
    font-size: 1.2rem !important;
    font-weight: 800 !important;
    color: #0f172a !important;
    margin-bottom: 15px !important;
}

#ag-username-duplicate-guide .ag-rule-card p {
    font-size: 0.95rem !important;
    color: #64748b !important;
}

/* 2. 인증 박스 */
#ag-username-duplicate-guide .ag-verification-box {
    background: #ffffff !important;
    padding: 50px !important;
    border-radius: 25px !important;
    border: 1px solid #e2e8f0 !important;
    margin-bottom: 60px !important;
    box-shadow: 0 10px 30px rgba(29, 78, 216, 0.03) !important;
}

#ag-username-duplicate-guide .ag-verification-header p {
    font-size: 1.15rem !important;
    color: #475569 !important;
    margin-bottom: 40px !important;
    text-align: center !important;
}

#ag-username-duplicate-guide .ag-condition-list {
    background: #f1f5f9 !important;
    padding: 30px !important;
    border-radius: 20px !important;
    margin-bottom: 40px !important;
}

#ag-username-duplicate-guide .ag-condition-list h4 {
    font-size: 1.2rem !important;
    font-weight: 800 !important;
    color: #1e293b !important;
    margin-bottom: 15px !important;
}

#ag-username-duplicate-guide .ag-condition-list p { font-size: 1rem !important; margin-bottom: 20px !important; }

#ag-username-duplicate-guide .ag-platform-badges {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 12px !important;
}

#ag-username-duplicate-guide .ag-badge {
    padding: 10px 20px !important;
    border-radius: 100px !important;
    color: #ffffff !important;
    font-size: 0.95rem !important;
    font-weight: 700 !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}

#ag-username-duplicate-guide .ag-badge--fb { background: #1877F2 !important; }
#ag-username-duplicate-guide .ag-badge--ig { background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%) !important; }
#ag-username-duplicate-guide .ag-badge--x { background: #000000 !important; }

#ag-username-duplicate-guide .ag-bot-instruction {
    display: flex !important;
    align-items: center !important;
    gap: 25px !important;
    padding: 30px !important;
    background: #eff6ff !important;
    border-radius: 20px !important;
    border-left: 6px solid #1d4ed8 !important;
}

#ag-username-duplicate-guide .ag-bot-instruction__icon {
    font-size: 2.5rem !important;
    color: #1d4ed8 !important;
}

#ag-username-duplicate-guide .ag-bot-instruction__text h4 {
    font-size: 1.15rem !important;
    font-weight: 800 !important;
    color: #1e3a8a !important;
    margin-bottom: 8px !important;
}

#ag-username-duplicate-guide .ag-bot-instruction__text p { font-size: 1rem !important; }

/* 3. 팁 컨테이너 */
#ag-username-duplicate-guide .ag-tip-container {
    background: #ffffff !important;
    padding: 40px !important;
    border-radius: 25px !important;
    border: 1px solid #e2e8f0 !important;
    margin-bottom: 60px !important;
}

#ag-username-duplicate-guide .ag-tip-row {
    display: flex !important;
    align-items: center !important;
    padding: 20px 0 !important;
    border-bottom: 1px solid #f1f5f9 !important;
}

#ag-username-duplicate-guide .ag-tip-row:last-child { border-bottom: none !important; }

#ag-username-duplicate-guide .ag-tip-label {
    width: 150px !important;
    font-weight: 800 !important;
    color: #1d4ed8 !important;
    flex-shrink: 0 !important;
}

#ag-username-duplicate-guide .ag-tip-val { font-size: 1rem !important; color: #475569 !important; }

#ag-username-duplicate-guide .ag-tip-val code {
    background: #f1f5f9 !important;
    padding: 2px 8px !important;
    border-radius: 5px !important;
    font-family: inherit !important;
    font-weight: 700 !important;
    color: #0f172a !important;
}

/* 4. 경고 그리드 */
#ag-username-duplicate-guide .ag-warning-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 25px !important;
    margin-bottom: 40px !important;
}

#ag-username-duplicate-guide .ag-warning-item {
    background: #ffffff !important;
    padding: 30px !important;
    border-radius: 20px !important;
    display: flex !important;
    align-items: flex-start !important;
    gap: 20px !important;
    border: 1px solid #e2e8f0 !important;
}

#ag-username-duplicate-guide .ag-warning-item i { font-size: 1.8rem !important; color: #ef4444 !important; }

#ag-username-duplicate-guide .ag-warning-text h4 {
    font-size: 1.15rem !important;
    font-weight: 800 !important;
    color: #1e293b !important;
    margin-bottom: 10px !important;
}

#ag-username-duplicate-guide .ag-warning-text p { font-size: 0.95rem !important; color: #64748b !important; }

/* 보안 배너 */
#ag-username-duplicate-guide .ag-security-banner {
    background: #0f172a !important;
    padding: 45px !important;
    border-radius: 30px !important;
    display: flex !important;
    align-items: center !important;
    gap: 30px !important;
    color: #ffffff !important;
}

#ag-username-duplicate-guide .ag-security-banner__visual i { font-size: 3.5rem !important; color: #38bdf8 !important; }

#ag-username-duplicate-guide .ag-security-banner__content h4 {
    font-size: 1.4rem !important;
    font-weight: 900 !important;
    color: #ffffff !important;
    margin-bottom: 15px !important;
}

#ag-username-duplicate-guide .ag-security-banner__content p {
    font-size: 1.05rem !important;
    color: rgba(255,255,255,0.8) !important;
}

#ag-username-duplicate-guide .ag-security-banner__content strong { color: #fbbf24 !important; }

/* 푸터 */
#ag-username-duplicate-guide .ag-footer {
    text-align: center !important;
    padding: 60px 0 20px !important;
    border-top: 1px solid #e2e8f0 !important;
}

#ag-username-duplicate-guide .ag-footer__text a {
    color: #1d4ed8 !important;
    text-decoration: none !important;
    font-weight: 700 !important;
    border-bottom: 2px solid #1d4ed8 !important;
}

/* 반응형 */
@media (max-width: 950px) {
    #ag-username-duplicate-guide .ag-rule-grid { grid-template-columns: 1fr !important; }
    #ag-username-duplicate-guide .ag-warning-grid { grid-template-columns: 1fr !important; }
}

@media (max-width: 600px) {
    #ag-username-duplicate-guide .ag-header__title { font-size: 1.95rem !important; }
    #ag-username-duplicate-guide .ag-mobile-only { display: block !important; }
    #ag-username-duplicate-guide .ag-verification-box { padding: 30px !important; }
    #ag-username-duplicate-guide .ag-tip-row { flex-direction: column !important; align-items: flex-start !important; gap: 10px !important; }
    #ag-username-duplicate-guide .ag-tip-label { width: 100% !important; }
    #ag-username-duplicate-guide .ag-security-banner { flex-direction: column !important; text-align: center !important; }
    #ag-username-duplicate-guide .ag-bot-instruction { flex-direction: column !important; text-align: center !important; }
}
@media (min-width: 601px) { #ag-username-duplicate-guide .ag-mobile-only { display: none !important; } }