@charset "utf-8";

/* ============================================
   텔레그램 마지막 본 시간 숨기기 가이드
   접두사: tg-prv- (기존 사이트 오염 방지)
   컬러 톤: 다크 인디고(Dark Indigo) + 스틸 블루(Steel Blue)
============================================ */

:root {
    --tgp-indigo: #4338ca;
    --tgp-indigo-dark: #3730a3;
    --tgp-indigo-deep: #1e1b4b;
    --tgp-indigo-light: #eef2ff;
    --tgp-indigo-border: #a5b4fc;
    --tgp-steel: #6366f1;
    --tgp-steel-light: #e0e7ff;
    --tgp-cyan: #06b6d4;
    --tgp-amber: #f59e0b;
    --tgp-amber-light: #fffbeb;
    --tgp-amber-border: #fde68a;
    --tgp-green: #059669;
    --tgp-green-light: #ecfdf5;
    --tgp-red: #dc2626;
    --tgp-red-light: #fef2f2;
    --tgp-slate-900: #0f172a;
    --tgp-slate-700: #334155;
    --tgp-slate-500: #64748b;
    --tgp-slate-300: #cbd5e1;
    --tgp-slate-200: #e2e8f0;
    --tgp-slate-100: #f1f5f9;
    --tgp-bg: #f5f5fa;
    --tgp-white: #ffffff;
    --tgp-radius: 14px;
}

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

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

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

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

.tg-prv-wrapper kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 28px;
    padding: 0 8px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 12px;
    font-weight: 700;
    color: var(--tgp-indigo-deep);
    background: linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
    border: 1px solid var(--tgp-slate-300);
    border-bottom: 3px solid var(--tgp-slate-300);
    border-radius: 5px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

/* ─── 히어로 헤더 ─── */
.tg-prv-hero {
    background: linear-gradient(145deg, #0f172a 0%, #1e1b4b 35%, #4338ca 75%, #6366f1 100%);
    color: var(--tgp-white);
    padding: 60px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.tg-prv-hero::before {
    content: "";
    position: absolute;
    width: 360px;
    height: 360px;
    border: 60px solid rgba(67, 56, 202, 0.07);
    border-radius: 50%;
    top: -100px;
    right: -100px;
}

.tg-prv-hero::after {
    content: "";
    position: absolute;
    width: 220px;
    height: 220px;
    border: 40px solid rgba(99, 102, 241, 0.05);
    border-radius: 50%;
    bottom: -60px;
    left: -50px;
}

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

.tg-prv-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--tgp-white);
    font-size: 14px;
    font-weight: 700;
    padding: 8px 20px;
    border-radius: 100px;
    margin-bottom: 22px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
}

.tg-prv-hero__badge i {
    font-size: 16px;
    color: var(--tgp-indigo-border);
}

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

.tg-prv-hero__desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.65);
    max-width: 620px;
    margin: 0 auto;
}

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

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

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

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

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

.tg-prv-section--tip {
    background: linear-gradient(135deg, var(--tgp-indigo-light) 0%, var(--tgp-steel-light) 100%);
    border-color: var(--tgp-indigo-border);
}

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

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

.tg-prv-section__icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--tgp-indigo) 0%, var(--tgp-steel) 100%);
    color: var(--tgp-white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

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

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

.tg-prv-section__note {
    font-size: 14px;
    color: var(--tgp-indigo);
    font-weight: 600;
    margin-top: 16px;
}

.tg-prv-section__note i {
    margin-right: 4px;
}

/* ─── 알림 박스 ─── */
.tg-prv-notice {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background-color: var(--tgp-amber-light);
    border: 1px solid var(--tgp-amber-border);
    padding: 16px 18px;
    border-radius: 10px;
}

.tg-prv-notice__icon {
    flex-shrink: 0;
    font-size: 20px;
    color: var(--tgp-amber);
    margin-top: 1px;
}

.tg-prv-notice__text {
    font-size: 14px;
    color: #92400e;
}

/* ─── 스텝 리스트 ─── */
.tg-prv-steps {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tg-prv-steps--compact {
    gap: 10px;
}

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

.tg-prv-step:hover {
    border-left-color: var(--tgp-indigo);
}

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

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

.tg-prv-step__text p {
    margin-bottom: 12px;
}

/* ─── 공개 범위 옵션 카드 ─── */
.tg-prv-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tg-prv-option {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--tgp-white);
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--tgp-slate-200);
}

.tg-prv-option--recommended {
    background: linear-gradient(135deg, var(--tgp-green-light) 0%, #d1fae5 100%);
    border-color: #6ee7b7;
    box-shadow: 0 0 0 2px rgba(5, 150, 105, 0.1);
}

.tg-prv-option__icon {
    flex-shrink: 0;
    font-size: 18px;
    color: var(--tgp-slate-500);
    width: 24px;
    text-align: center;
}

.tg-prv-option--recommended .tg-prv-option__icon {
    color: var(--tgp-green);
}

.tg-prv-option__label {
    font-size: 14px;
    font-weight: 700;
    color: var(--tgp-slate-900);
    display: flex;
    align-items: center;
    gap: 6px;
}

.tg-prv-option__badge {
    font-size: 10px;
    font-weight: 800;
    color: var(--tgp-white);
    background-color: var(--tgp-green);
    padding: 2px 8px;
    border-radius: 100px;
    letter-spacing: 0.5px;
}

.tg-prv-option__desc {
    font-size: 12px;
    color: var(--tgp-slate-500);
}

/* ─── 예외 설정 카드 ─── */
.tg-prv-exceptions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.tg-prv-exception {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background-color: var(--tgp-slate-100);
    padding: 20px;
    border-radius: 10px;
    transition: transform 0.2s ease;
}

.tg-prv-exception:hover {
    transform: translateY(-2px);
}

.tg-prv-exception__icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--tgp-white);
}

.tg-prv-exception__icon--share {
    background: linear-gradient(135deg, var(--tgp-green) 0%, #34d399 100%);
}

.tg-prv-exception__icon--hide {
    background: linear-gradient(135deg, var(--tgp-red) 0%, #f87171 100%);
}

.tg-prv-exception__title {
    font-size: 16px;
    font-weight: 700;
    color: var(--tgp-slate-900);
    margin-bottom: 4px;
}

.tg-prv-exception__desc {
    font-size: 14px;
}

/* ─── 보안 팁 ─── */
.tg-prv-security-tip {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background-color: var(--tgp-white);
    padding: 22px;
    border-radius: 12px;
    border: 1px solid var(--tgp-indigo-border);
}

.tg-prv-security-tip__icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--tgp-indigo) 0%, var(--tgp-steel) 100%);
    color: var(--tgp-white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.tg-prv-security-tip__text {
    font-size: 14px;
    margin-bottom: 10px;
}

.tg-prv-security-tip__path {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--tgp-indigo);
    background-color: var(--tgp-indigo-light);
    padding: 6px 12px;
    border-radius: 6px;
    margin-bottom: 10px;
}

.tg-prv-security-tip__path i {
    margin-right: 4px;
}

.tg-prv-security-tip__shortcut {
    font-size: 14px;
}

/* ─── 결론 및 요약 ─── */
.tg-prv-summary {
    background: linear-gradient(135deg, #0f172a 0%, var(--tgp-indigo-deep) 50%, var(--tgp-indigo-dark) 100%);
    color: var(--tgp-white);
    padding: 44px 28px;
    border-radius: var(--tgp-radius);
    text-align: center;
    box-shadow: 0 10px 30px rgba(30, 27, 75, 0.3);
}

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

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

.tg-prv-summary__body p:last-child {
    margin-bottom: 0;
}

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

/* 체크리스트 */
.tg-prv-summary__checklist {
    list-style: none;
    display: inline-block;
    text-align: left;
    background-color: rgba(255, 255, 255, 0.06);
    padding: 24px 32px;
    border-radius: 12px;
    margin: 24px 0;
}

.tg-prv-summary__checklist li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 10px;
    font-size: 15px;
    color: #e0e7ff;
}

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

.tg-prv-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(--tgp-steel);
}

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

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

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

/* ============================================
   반응형 미디어 쿼리 (모바일 퍼스트)
============================================ */
@media (min-width: 768px) {
    .tg-prv-hero {
        padding: 80px 40px;
    }

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

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

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

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

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

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

    /* 예외 2열 */
    .tg-prv-exceptions {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 옵션 가로 배치 */
    .tg-prv-options {
        flex-direction: row;
    }

    .tg-prv-option {
        flex: 1;
    }

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

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

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

/* ============================================
   스크롤 등장 애니메이션 (JS 연동)
============================================ */
.tg-prv-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-prv-motion.is-visible {
    opacity: 1;
    transform: translateY(0);
}