/* 
 * 텔레그램 다중 계정 가이드 전용 스타일
 * Namespace: .tg-dual-
 * BEM / Mobile First
 */

:root {
    --tg-dual-primary: #2AABEE;
    --tg-dual-primary-dark: #229ED9;
    --tg-dual-primary-light: #E1F4F9;
    --tg-dual-text-main: #1f2937;
    --tg-dual-text-muted: #6b7280;
    --tg-dual-bg-body: #F3F4F6;
    --tg-dual-bg-white: #ffffff;
    --tg-dual-border: #f3f4f6;
    --tg-dual-border-dark: #e5e7eb;
}

/* Scoped Reset */
:where(.tg-dual-wrap) {
    font-family: 'Pretendard', sans-serif;
    color: var(--tg-dual-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* 태그 리셋 보호 (기존 사이트에 영향 안 주고, 기존 사이트 스타일이 침범 못함) */
:where(.tg-dual-wrap) *,
:where(.tg-dual-wrap) *::before,
:where(.tg-dual-wrap) *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:where(.tg-dual-wrap) ol,
:where(.tg-dual-wrap) ul {
    list-style: none;
}

:where(.tg-dual-wrap) a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

:where(.tg-dual-wrap) button {
    background: none;
    border: none;
    cursor: pointer;
    font: inherit;
    outline: none;
}

:where(.tg-dual-wrap) img {
    max-width: 100%;
    height: auto;
    display: block;
}

:where(.tg-dual-wrap) strong {
    font-weight: 700;
    color: #111827;
}

/* Main Container */
.tg-dual-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 16px;
}

@media (min-width: 768px) {
    .tg-dual-main {
        padding: 40px 0;
    }
}



/* Breadcrumb */
.tg-dual-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    font-size: 0.875rem;
    color: var(--tg-dual-text-muted);
    margin-bottom: 24px;
}

.tg-dual-breadcrumb__link:hover {
    color: var(--tg-dual-primary);
}

.tg-dual-breadcrumb__separator {
    margin: 0 8px;
}

.tg-dual-breadcrumb__current {
    font-weight: 600;
    color: var(--tg-dual-text-main);
}

/* Header */
.tg-dual-header {
    margin-bottom: 40px;
}

.tg-dual-header__title {
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1.35;
    color: #111827;
    margin-bottom: 20px;
    word-break: keep-all;
}

@media (min-width: 768px) {
    .tg-dual-header__title {
        font-size: 2.25rem;
    }
}

.tg-dual-header__subtitle {
    display: block;
    color: var(--tg-dual-primary);
    font-size: 1.25rem;
    margin-top: 8px;
}

@media (min-width: 768px) {
    .tg-dual-header__subtitle {
        font-size: 1.5rem;
    }
}

/* Meta Data */
.tg-dual-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--tg-dual-border-dark);
}

.tg-dual-meta__author-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tg-dual-meta__avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--tg-dual-primary-light);
    color: var(--tg-dual-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
}

.tg-dual-meta__name {
    font-weight: 700;
    color: #111827;
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.tg-dual-meta__date {
    font-size: 0.8rem;
    color: var(--tg-dual-text-muted);
}

.tg-dual-btn-share {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #f9fafb;
    color: var(--tg-dual-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.tg-dual-btn-share:hover {
    background-color: var(--tg-dual-primary-light);
    color: var(--tg-dual-primary);
}

.tg-dual-icon {
    width: 20px;
    height: 20px;
}

.tg-dual-icon--lg {
    width: 24px;
    height: 24px;
}

/* Content Shared */
.tg-dual-text {
    font-size: 1.125rem;
    color: #374151;
    line-height: 1.8;
    margin-bottom: 24px;
    word-break: keep-all;
}

.tg-dual-text--lead {
    font-size: 1.25rem;
    color: #4b5563;
    margin-bottom: 32px;
}

/* Headings */
.tg-dual-heading-2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: #111827;
    margin: 48px 0 20px;
    padding-left: 16px;
    border-left: 5px solid var(--tg-dual-primary);
}

@media (min-width: 768px) {
    .tg-dual-heading-2 {
        font-size: 1.75rem;
    }
}

.tg-dual-heading-3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: #111827;
    margin: 32px 0 16px;
}

/* Figure / Images */
.tg-dual-figure {
    margin: 32px 0;
    text-align: center;
}

.tg-dual-figure--inner {
    margin: 16px 0;
}

.tg-dual-figure__img {
    border-radius: 16px;
    border: 1px solid var(--tg-dual-border-dark);
    margin: 0 auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    width: 100%;
}

.tg-dual-figure__caption {
    font-size: 0.9rem;
    color: var(--tg-dual-text-muted);
    margin-top: 12px;
}

/* Step Box */
.tg-dual-step-box {
    background-color: #f9fafb;
    border: 1px solid var(--tg-dual-border-dark);
    border-radius: 16px;
    padding: 24px;
    margin: 32px 0;
}

@media (min-width: 768px) {
    .tg-dual-step-box {
        padding: 32px 40px;
    }
}

.tg-dual-step-list {
    counter-reset: step-counter;
}

.tg-dual-step-list__item {
    position: relative;
    padding-left: 32px;
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: #1f2937;
    line-height: 1.6;
}

.tg-dual-step-list__item:last-child {
    margin-bottom: 0;
}

.tg-dual-step-list__item::before {
    content: counter(step-counter) ".";
    counter-increment: step-counter;
    position: absolute;
    left: 0;
    top: 0;
    color: var(--tg-dual-primary);
    font-weight: 800;
    font-size: 1.1rem;
}

/* Tip Box */
.tg-dual-tip-box {
    background-color: var(--tg-dual-primary-light);
    border-left: 5px solid var(--tg-dual-primary);
    border-radius: 0 16px 16px 0;
    padding: 24px;
    margin: 48px 0;
}

@media (min-width: 768px) {
    .tg-dual-tip-box {
        padding: 32px;
    }
}

.tg-dual-tip-box__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--tg-dual-primary-dark);
    margin-bottom: 12px;
}

.tg-dual-tip-box__text {
    font-size: 1.05rem;
    color: #334155;
    line-height: 1.7;
    margin-bottom: 20px;
}

/* Divider */
.tg-dual-divider {
    border: none;
    border-top: 1px solid var(--tg-dual-border-dark);
    margin: 48px 0;
}

/* CTA */
.tg-dual-cta {
    background-color: #111827;
    border-radius: 16px;
    padding: 24px;
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-align: center;
}

@media (min-width: 768px) {
    .tg-dual-cta {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        text-align: left;
        padding: 32px 40px;
    }
}

.tg-dual-cta__title {
    font-size: 1.25rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 8px;
}

.tg-dual-cta__desc {
    font-size: 0.95rem;
    color: #9ca3af;
}

.tg-dual-btn-primary {
    display: inline-block;
    background-color: var(--tg-dual-primary);
    color: #ffffff;
    font-weight: 700;
    font-size: 1rem;
    padding: 14px 28px;
    border-radius: 12px;
    transition: background-color 0.2s;
    white-space: nowrap;
}

.tg-dual-btn-primary:hover {
    background-color: var(--tg-dual-primary-dark);
}

/* Tags */
.tg-dual-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--tg-dual-border-dark);
}

.tg-dual-tag {
    background-color: var(--tg-dual-bg-body);
    color: #4b5563;
    font-size: 0.875rem;
    padding: 6px 16px;
    border-radius: 50px;
    transition: background-color 0.2s;
    cursor: default;
}

.tg-dual-tag:hover {
    background-color: #e5e7eb;
}