/* ════════════════════════════════════════════
   동영상 접수 가이드 — 신규 디자인
   루트 .video-guide-page 안에서만 적용 (전역 충돌 방지)
   ════════════════════════════════════════════ */

.video-guide-page {
    --vg-line: #e5e5e5;
    --vg-line-2: #f0f0f0;
    --vg-bg-2: #fafafa;
    --vg-ink-2: #444444;
    --vg-ink-3: #6b6b6b;
    --vg-ink-4: #9a9a9a;
    max-width: 880px;
    margin: 0 auto;
    padding: 40px 20px 80px;
}

/* 페이지 타이틀 (좌측 컬러 바) */
.video-guide-page .video_title {
    padding-left: 15px;
    border-left: solid 3px var(--color-primary);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 0;
}

/* ─── Section ─── */
.video-guide-page .section {
    padding: 40px 0;
    border-bottom: 1px solid var(--vg-line);
}
.video-guide-page .section:last-of-type {
    border-bottom: none;
}
.video-guide-page .section-title {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 6px;
}
.video-guide-page .section-sub {
    font-size: 14.5px;
    color: var(--vg-ink-3);
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

/* ─── Steps Overview ─── */
.video-guide-page .overview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.video-guide-page .overview-step {
    background: var(--vg-bg-2);
    border-radius: 10px;
    padding: 20px 22px;
}
.video-guide-page .overview-step-num {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}
.video-guide-page .overview-step-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: -0.02em;
}
.video-guide-page .overview-step-desc {
    font-size: 13.5px;
    color: var(--vg-ink-3);
    line-height: 1.6;
    letter-spacing: -0.01em;
}

/* ─── Platform Tabs ─── */
.video-guide-page .tab-nav {
    display: flex;
    gap: 0;
    border: 1px solid var(--vg-line);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 62px;
}
.video-guide-page .tab-btn {
    flex: 1;
    padding: 14px 20px;
    background: var(--vg-bg-2);
    border: none;
    border-right: 1px solid var(--vg-line);
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    color: var(--vg-ink-3);
    letter-spacing: -0.02em;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.video-guide-page .tab-btn:last-child {
    border-right: none;
}
.video-guide-page .tab-btn:hover {
    background: var(--vg-line-2);
    color: var(--color-text);
}
.video-guide-page .tab-btn.active {
    background: var(--color-primary);
    color: white;
}

.video-guide-page .tab-panel {
    display: none;
}
.video-guide-page .tab-panel.active {
    display: block;
}

/* ─── Platform header ─── */
.video-guide-page .platform-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--vg-line);
}
.video-guide-page .platform-intro {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.video-guide-page .platform-logo {
    width: 50%;
    max-width: 220px;
}
.video-guide-page .platform-lede {
    font-size: 14px;
    color: var(--vg-ink-3);
    letter-spacing: -0.01em;
    line-height: 1.6;
}
.video-guide-page .platform-link {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--color-primary);
    color: white;
    text-decoration: none;
    padding: 12px 22px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: -0.02em;
    white-space: nowrap;
    transition: opacity 0.15s;
}
.video-guide-page .platform-link:hover {
    opacity: 0.85;
}
.video-guide-page .platform-link .arrow {
    font-size: 16px;
    line-height: 1;
}

/* ─── Upload Steps ─── */
.video-guide-page .step-block {
    margin-bottom: 36px;
}
.video-guide-page .step-block:last-child {
    margin-bottom: 0;
}
.video-guide-page .step-head {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-bottom: 16px;
}
.video-guide-page .step-badge {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    margin-top: 2px;
}
.video-guide-page .step-text h4 {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.4;
}
.video-guide-page .step-text p {
    font-size: 14.5px;
    line-height: 1.7;
    color: var(--vg-ink-2);
    letter-spacing: -0.01em;
}
.video-guide-page .step-text p strong {
    color: var(--color-primary);
    font-weight: 700;
}

/* ─── Screenshot placeholder ─── */
.video-guide-page .screenshot {
    background: var(--vg-bg-2);
    border: 1px solid var(--vg-line);
    border-radius: 10px;
    aspect-ratio: 16 / 9;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--vg-ink-4);
    text-align: center;
    padding: 24px;
    position: relative;
    overflow: hidden;
}

/* 실제 스크린샷 이미지 사용 시 — 플레이스홀더 배경/패딩 해제 */
.video-guide-page .screenshot.screenshot-img {
    background: none;
    border: 0;
    padding: 0;
    aspect-ratio: auto;
    display: block;
}
.video-guide-page .screenshot.screenshot-img img {
    display: block;
    width: 100%;
    border: 1px solid var(--vg-line);
    border-radius: 10px;
}
.video-guide-page .screenshot-icon {
    width: 36px;
    height: 36px;
    border: 1.5px solid var(--vg-ink-4);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    opacity: 0.55;
}
.video-guide-page .screenshot-icon::before {
    content: "";
    width: 16px;
    height: 16px;
    background: var(--vg-ink-4);
    clip-path: polygon(20% 10%, 20% 90%, 85% 50%);
}
.video-guide-page .screenshot-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--vg-ink-3);
    margin-bottom: 4px;
    letter-spacing: -0.005em;
}
.video-guide-page .screenshot-hint {
    font-size: 12.5px;
    color: var(--vg-ink-4);
    letter-spacing: -0.005em;
}

/* ─── 모바일 ─── */
@media (max-width: 680px) {
    .video-guide-page {
        padding: 32px 16px 60px;
    }
    .video-guide-page .section {
        padding: 32px 0;
    }
    .video-guide-page .section-title {
        font-size: 18px;
    }
    .video-guide-page .overview {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .video-guide-page .tab-btn {
        font-size: 13.5px;
        padding: 12px 10px;
    }
    .video-guide-page .step-block {
        margin-bottom: 28px;
    }
    .video-guide-page .step-text h4 {
        font-size: 15.5px;
    }
    .video-guide-page .step-text p {
        font-size: 14px;
    }
    .video-guide-page .platform-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .video-guide-page .screenshot {
        aspect-ratio: 16 / 10;
    }
}