@charset "utf-8";

/* ============================================
   텔레그램 공유 미디어 브라우저(Shared Media Browser) 가이드
   접두사: tg-smb- (기존 사이트 오염 방지)
   컬러 톤: 스카이 블루(Sky Blue) + 웜 오렌지(Warm Orange)
============================================ */

:root {
    --smb-sky: #0284c7;
    --smb-sky-dark: #0369a1;
    --smb-sky-deep: #0c4a6e;
    --smb-sky-light: #f0f9ff;
    --smb-sky-border: #7dd3fc;
    --smb-orange: #ea580c;
    --smb-orange-dark: #c2410c;
    --smb-orange-light: #fff7ed;
    --smb-orange-border: #fdba74;
    --smb-green: #059669;
    --smb-green-light: #d1fae5;
    --smb-slate-900: #0f172a;
    --smb-slate-700: #334155;
    --smb-slate-500: #64748b;
    --smb-slate-300: #cbd5e1;
    --smb-slate-200: #e2e8f0;
    --smb-slate-100: #f1f5f9;
    --smb-bg: #f0f9ff;
    --smb-white: #ffffff;
    --smb-radius: 14px;
}

/* ─── 래퍼 ─── */
.tg-smb-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    color: var(--smb-slate-500);
    background-color: var(--smb-bg);
    box-sizing: border-box;
    line-height: 1.7;
    overflow: hidden;
    padding-bottom: 60px;
}

.tg-smb-wrapper *,
.tg-smb-wrapper *::before,
.tg-smb-wrapper *::after {
    box-sizing: inherit;
    margin: 0;
    padding: 0;
}

.tg-smb-wrapper strong {
    font-weight: 700;
    color: var(--smb-slate-900);
}

.tg-smb-wrapper mark {
    background: linear-gradient(120deg, var(--smb-sky-light) 0%, #e0f2fe 100%);
    color: var(--smb-sky-deep);
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
}

/* ─── 히어로 ─── */
.tg-smb-hero {
    background: linear-gradient(145deg, #0c1222 0%, #0c4a6e 25%, #0284c7 55%, #38bdf8 85%, #7dd3fc 100%);
    color: var(--smb-white);
    padding: 60px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.tg-smb-hero::before {
    content: "";
    position: absolute;
    width: 380px;
    height: 380px;
    border: 65px solid rgba(2, 132, 199, 0.05);
    border-radius: 50%;
    top: -110px;
    right: -110px;
}

.tg-smb-hero::after {
    content: "";
    position: absolute;
    width: 240px;
    height: 240px;
    border: 45px solid rgba(125, 211, 252, 0.03);
    border-radius: 50%;
    bottom: -70px;
    left: -55px;
}

.tg-smb-hero__inner {
    position: relative;
    z-index: 1;
}

.tg-smb-hero__icon-group {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
}

.tg-smb-hero__icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(125, 211, 252, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--smb-sky-border);
}

.tg-smb-hero__icon--file {
    color: var(--smb-orange-border);
    border-color: rgba(253, 186, 116, 0.2);
}

.tg-smb-hero__icon--link {
    color: var(--smb-green);
    border-color: rgba(5, 150, 105, 0.2);
}

.tg-smb-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(2, 132, 199, 0.2) 0%, rgba(125, 211, 252, 0.1) 100%);
    color: var(--smb-sky-border);
    font-size: 14px;
    font-weight: 700;
    padding: 8px 20px;
    border-radius: 100px;
    margin-bottom: 22px;
    border: 1px solid rgba(125, 211, 252, 0.2);
    backdrop-filter: blur(4px);
}

.tg-smb-hero__title {
    font-size: 28px;
    font-weight: 900;
    line-height: 1.35;
    margin-bottom: 18px;
    color: var(--smb-white);
}

.tg-smb-hero__desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    max-width: 620px;
    margin: 0 auto;
}

/* ─── 메인 ─── */
.tg-smb-main {
    padding: 30px 20px 0;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* ─── 도입부 ─── */
.tg-smb-intro {
    background-color: var(--smb-white);
    padding: 28px 24px;
    border-radius: var(--smb-radius);
    border-left: 4px solid var(--smb-sky);
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
}

.tg-smb-intro p {
    font-size: 16px;
    margin-bottom: 14px;
}

.tg-smb-intro p:last-child {
    margin-bottom: 0;
}

/* ─── 섹션 공통 ─── */
.tg-smb-section {
    background-color: var(--smb-white);
    padding: 34px 24px;
    border-radius: var(--smb-radius);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    border: 1px solid var(--smb-slate-200);
}

.tg-smb-section--dark {
    background: linear-gradient(135deg, #0c1222 0%, var(--smb-sky-deep) 50%, #075985 100%);
    border-color: var(--smb-sky);
    color: var(--smb-slate-300);
}

.tg-smb-section__head {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 16px;
}

.tg-smb-section__num {
    font-size: 38px;
    font-weight: 900;
    color: var(--smb-sky);
    opacity: 0.2;
    line-height: 1;
    flex-shrink: 0;
}

.tg-smb-section__tip-icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--smb-orange) 0%, #f97316 100%);
    color: var(--smb-white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.tg-smb-section__title {
    font-size: 20px;
    font-weight: 800;
    color: var(--smb-slate-900);
    line-height: 1.35;
    padding-top: 6px;
}

.tg-smb-section__title--light {
    color: var(--smb-white);
}

.tg-smb-section__desc {
    font-size: 16px;
    margin-bottom: 24px;
}

.tg-smb-section__desc--light {
    color: var(--smb-sky-border);
}

.tg-smb-section__desc--light strong {
    color: var(--smb-white);
}

/* ─── 스텝 리스트 ─── */
.tg-smb-steps {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tg-smb-step {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background-color: var(--smb-slate-100);
    padding: 16px 18px;
    border-radius: 10px;
    border-left: 3px solid var(--smb-sky-border);
    transition: border-left-color 0.2s ease;
}

.tg-smb-step:hover {
    border-left-color: var(--smb-sky);
}

.tg-smb-step--highlight {
    background: linear-gradient(135deg, var(--smb-sky-light) 0%, #e0f2fe 100%);
    border-left-color: var(--smb-sky);
}

.tg-smb-step__marker {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--smb-sky) 0%, var(--smb-sky-dark) 100%);
    color: var(--smb-white);
    font-weight: 800;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin-top: 1px;
}

.tg-smb-step__marker--highlight {
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.tg-smb-step__content {
    flex: 1;
}

.tg-smb-step__text {
    font-size: 15px;
    padding-top: 3px;
}

/* ─── 탭 미디어 유형 비주얼 ─── */
.tg-smb-tab-visual {
    margin-top: 20px;
    padding: 18px;
    background: linear-gradient(135deg, var(--smb-sky-light) 0%, #e0f2fe 100%);
    border: 1px solid var(--smb-sky-border);
    border-radius: 12px;
}

.tg-smb-tab-visual__label {
    font-size: 12px;
    font-weight: 700;
    color: var(--smb-sky-deep);
    margin-bottom: 10px;
    text-align: center;
}

.tg-smb-tab-visual__tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
}

.tg-smb-tab-visual__tab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    background-color: var(--smb-white);
    border: 1px solid var(--smb-slate-200);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--smb-slate-500);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tg-smb-tab-visual__tab:hover {
    border-color: var(--smb-sky-border);
    color: var(--smb-sky);
}

.tg-smb-tab-visual__tab--active {
    background: linear-gradient(135deg, var(--smb-sky) 0%, var(--smb-sky-dark) 100%);
    color: var(--smb-white);
    border-color: var(--smb-sky);
}

/* ─── 기능 듀오 카드 (날짜바 + 캘린더) ─── */
.tg-smb-feature-duo {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.tg-smb-feature-card {
    padding: 22px 20px;
    background-color: var(--smb-slate-100);
    border: 1px solid var(--smb-slate-200);
    border-radius: 12px;
}

.tg-smb-feature-card__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 800;
    color: var(--smb-sky);
    background-color: var(--smb-sky-light);
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 14px;
    border: 1px solid var(--smb-sky-border);
}

.tg-smb-feature-card__badge--calendar {
    color: var(--smb-orange);
    background-color: var(--smb-orange-light);
    border-color: var(--smb-orange-border);
}

.tg-smb-feature-card__text {
    font-size: 14px;
    margin-top: 12px;
    color: var(--smb-slate-700);
}

/* 날짜 바 비주얼 */
.tg-smb-datebar-visual {
    display: flex;
    justify-content: center;
    padding: 10px;
}

.tg-smb-datebar-visual__bar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px 18px;
    background-color: var(--smb-white);
    border: 1px solid var(--smb-slate-200);
    border-radius: 10px;
    width: 80px;
}

.tg-smb-datebar-visual__handle {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--smb-sky) 0%, var(--smb-sky-dark) 100%);
    color: var(--smb-white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    cursor: grab;
    animation: tg-smb-handle-bounce 2s ease-in-out infinite;
}

.tg-smb-datebar-visual__year {
    font-size: 14px;
    font-weight: 800;
    color: var(--smb-sky);
}

.tg-smb-datebar-visual__year--dim {
    font-weight: 600;
    color: var(--smb-slate-300);
    font-size: 12px;
}

/* 캘린더 미니 비주얼 */
.tg-smb-calendar-mini {
    background-color: var(--smb-white);
    border: 1px solid var(--smb-slate-200);
    border-radius: 10px;
    overflow: hidden;
    max-width: 280px;
    margin: 0 auto;
}

.tg-smb-calendar-mini__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: linear-gradient(135deg, var(--smb-orange) 0%, #f97316 100%);
    color: var(--smb-white);
    font-size: 13px;
    font-weight: 700;
}

.tg-smb-calendar-mini__header i {
    font-size: 11px;
    cursor: pointer;
    opacity: 0.7;
}

.tg-smb-calendar-mini__grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    padding: 8px;
}

.tg-smb-calendar-mini__day {
    font-size: 10px;
    font-weight: 700;
    color: var(--smb-slate-500);
    text-align: center;
    padding: 4px;
}

.tg-smb-calendar-mini__date {
    font-size: 11px;
    text-align: center;
    padding: 6px 4px;
    border-radius: 6px;
    color: var(--smb-slate-700);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.tg-smb-calendar-mini__date:hover {
    background-color: var(--smb-sky-light);
}

.tg-smb-calendar-mini__date--has {
    background: linear-gradient(135deg, var(--smb-sky-light) 0%, #bae6fd 100%);
    color: var(--smb-sky-dark);
    font-weight: 700;
    position: relative;
}

.tg-smb-calendar-mini__date--has::after {
    content: "";
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background-color: var(--smb-orange);
    border-radius: 50%;
}

/* ─── 뷰 설정 카드 ─── */
.tg-smb-view-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 24px;
}

.tg-smb-view-card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
    background-color: var(--smb-slate-100);
    border-radius: 10px;
    border: 1px solid var(--smb-slate-200);
}

.tg-smb-view-card__icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--smb-sky) 0%, var(--smb-sky-dark) 100%);
    color: var(--smb-white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.tg-smb-view-card__icon--filter {
    background: linear-gradient(135deg, var(--smb-orange) 0%, var(--smb-orange-dark) 100%);
}

.tg-smb-view-card__body strong {
    display: block;
    font-size: 15px;
    margin-bottom: 3px;
}

.tg-smb-view-card__body span {
    font-size: 13px;
}

/* ─── 줌 비교 비주얼 ─── */
.tg-smb-zoom-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 20px;
    background: linear-gradient(135deg, var(--smb-sky-light) 0%, #e0f2fe 100%);
    border: 1px solid var(--smb-sky-border);
    border-radius: 12px;
}

.tg-smb-zoom-visual__item {
    text-align: center;
}

.tg-smb-zoom-visual__item p {
    font-size: 11px;
    font-weight: 700;
    margin-top: 8px;
    color: var(--smb-slate-500);
}

.tg-smb-zoom-visual__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3px;
    padding: 8px;
    background-color: var(--smb-white);
    border-radius: 8px;
    border: 1px solid var(--smb-slate-200);
}

.tg-smb-zoom-visual__grid span {
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, #bae6fd 0%, #7dd3fc 100%);
    border-radius: 3px;
}

.tg-smb-zoom-visual__grid--large {
    grid-template-columns: repeat(2, 1fr);
}

.tg-smb-zoom-visual__grid--large span {
    width: 32px;
    height: 32px;
    border-radius: 4px;
}

.tg-smb-zoom-visual__arrow {
    color: var(--smb-sky-border);
    font-size: 16px;
    animation: tg-smb-arrow-pulse 1.5s ease-in-out infinite;
}

/* ─── 대화 위치 이동 스텝 (다크 섹션) ─── */
.tg-smb-goto-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.tg-smb-goto-step {
    background-color: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(125, 211, 252, 0.15);
    padding: 24px 22px;
    border-radius: 12px;
    position: relative;
    text-align: center;
}

.tg-smb-goto-step__number {
    position: absolute;
    top: -10px;
    left: 18px;
    width: 26px;
    height: 26px;
    background: linear-gradient(135deg, var(--smb-orange) 0%, #f97316 100%);
    color: var(--smb-white);
    font-weight: 900;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.tg-smb-goto-step__icon {
    display: inline-flex;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(125, 211, 252, 0.2);
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--smb-sky-border);
    margin-bottom: 10px;
}

.tg-smb-goto-step__icon--nav {
    background: linear-gradient(135deg, var(--smb-orange) 0%, #f97316 100%);
    color: var(--smb-white);
    border-color: var(--smb-orange);
}

.tg-smb-goto-step__icon--context {
    background: linear-gradient(135deg, var(--smb-green) 0%, #10b981 100%);
    color: var(--smb-white);
    border-color: var(--smb-green);
}

.tg-smb-goto-step__title {
    font-size: 15px;
    font-weight: 700;
    color: var(--smb-white);
    margin-bottom: 6px;
}

.tg-smb-goto-step__text {
    font-size: 13px;
    color: var(--smb-sky-border);
}

.tg-smb-goto-step__text strong {
    color: var(--smb-white);
}

.tg-smb-goto-note {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(125, 211, 252, 0.1);
    border-radius: 10px;
    font-size: 14px;
    color: var(--smb-sky-border);
}

.tg-smb-goto-note i {
    font-size: 18px;
    color: var(--smb-orange-border);
}

.tg-smb-goto-note strong {
    color: var(--smb-white);
}

/* ─── 결론 및 요약 ─── */
.tg-smb-summary {
    background: linear-gradient(135deg, #0c1222 0%, var(--smb-sky-deep) 40%, #075985 100%);
    color: var(--smb-white);
    padding: 44px 28px;
    border-radius: var(--smb-radius);
    text-align: center;
    box-shadow: 0 10px 30px rgba(12, 74, 110, 0.4);
}

.tg-smb-summary__title {
    font-size: 24px;
    font-weight: 800;
    color: var(--smb-white);
    margin-bottom: 20px;
}

.tg-smb-summary__body p {
    font-size: 16px;
    margin-bottom: 14px;
    color: var(--smb-sky-border);
}

.tg-smb-summary strong {
    color: var(--smb-white);
}

.tg-smb-summary__icons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin: 28px 0;
}

.tg-smb-summary__icon-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    color: var(--smb-sky-border);
}

.tg-smb-summary__icon-circle {
    width: 52px;
    height: 52px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(125, 211, 252, 0.2);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--smb-sky-border);
    transition: transform 0.2s ease;
}

.tg-smb-summary__icon-circle:hover {
    transform: scale(1.08);
}

.tg-smb-summary__icon-circle--calendar {
    background: linear-gradient(135deg, var(--smb-orange) 0%, #f97316 100%);
    color: var(--smb-white);
    border-color: var(--smb-orange);
}

.tg-smb-summary__icon-circle--done {
    background: linear-gradient(135deg, var(--smb-green) 0%, #10b981 100%);
    color: var(--smb-white);
    border-color: var(--smb-green);
}

.tg-smb-summary__icon-arrow {
    color: rgba(125, 211, 252, 0.3);
    font-size: 14px;
}

.tg-smb-summary__checklist {
    list-style: none;
    display: inline-block;
    text-align: left;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 24px 32px;
    border-radius: 12px;
    margin: 0 0 24px;
}

.tg-smb-summary__checklist li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 10px;
    font-size: 15px;
    color: #e0f2fe;
}

.tg-smb-summary__checklist li:last-child {
    margin-bottom: 0;
}

.tg-smb-summary__checklist li::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 2px;
    font-size: 13px;
    color: var(--smb-orange-border);
}

.tg-smb-summary__checklist strong {
    color: var(--smb-white);
}

.tg-smb-summary__footer {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 14px;
    color: var(--smb-sky-border);
    line-height: 1.8;
}

.tg-smb-summary__footer strong {
    color: var(--smb-white);
}

/* ============================================
   애니메이션
============================================ */

@keyframes tg-smb-handle-bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(4px);
    }
}

@keyframes tg-smb-arrow-pulse {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.8;
    }
}

/* ============================================
   반응형
============================================ */
@media (min-width: 768px) {
    .tg-smb-hero {
        padding: 80px 40px;
    }

    .tg-smb-hero__title {
        font-size: 38px;
    }

    .tg-smb-main {
        padding: 40px 36px 0;
        gap: 40px;
    }

    .tg-smb-intro {
        padding: 36px 32px;
    }

    .tg-smb-section {
        padding: 40px 36px;
    }

    .tg-smb-section__title {
        font-size: 24px;
    }

    .tg-smb-section__num {
        font-size: 44px;
    }

    .tg-smb-feature-duo {
        grid-template-columns: repeat(2, 1fr);
    }

    .tg-smb-view-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .tg-smb-goto-steps {
        grid-template-columns: repeat(3, 1fr);
    }

    .tg-smb-summary {
        padding: 56px 44px;
    }
}

@media (min-width: 1024px) {
    .tg-smb-hero__title {
        font-size: 44px;
    }

    .tg-smb-main {
        gap: 46px;
    }
}

/* ─── 스크롤 등장 ─── */
.tg-smb-motion {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.tg-smb-motion.is-visible {
    opacity: 1;
    transform: translateY(0);
}