/* ============================================================
   현장 강의 자료 페이지 (single-onsite_class.php)
   ============================================================ */

/* ── 전체 너비: GeneratePress 래퍼 폭 제한 해제 ──
   .site-content 가 display:flex (≥769px) 라서 사이드바 슬롯 자리에 main 이 stretch 안 됨.
   block 으로 되돌리고, 안쪽 컨테이너들도 100% 폭 강제. */
body.single-onsite_class .site-content {
    display: block !important;
}
body.single-onsite_class #page,
body.single-onsite_class #page-inner,
body.single-onsite_class .site-content,
body.single-onsite_class .inside-content,
body.single-onsite_class .grid-container,
body.single-onsite_class .container,
body.single-onsite_class #content,
body.single-onsite_class #primary,
body.single-onsite_class .content-area,
body.single-onsite_class .grid-parent,
body.single-onsite_class .grid-70,
body.single-onsite_class .grid-100 {
    max-width: 100% !important;
    width: 100% !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    float: none !important;
}
body.single-onsite_class #main,
body.single-onsite_class .site-main {
    padding: 0 !important;
    margin: 0 !important;
}
/* 사이트 글로벌 코드 복사 버튼은 이 페이지에서 숨김 (자체 버튼 사용) */
body.single-onsite_class .copy-btn {
    display: none !important;
}

.oc-main {
    background: var(--bg-subtle);
    min-height: 100vh;
}

.oc-container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--px);
}

/* ────────────── Hero ────────────── */
.oc-hero {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    padding: var(--space-3xl) 0 var(--space-2xl);
}
.oc-hero-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-2xl);
}
.oc-hero-main {
    flex: 1;
    min-width: 0;
}

/* 사전 설문 카드 (우측) */
.oc-hero-survey {
    flex-shrink: 0;
    width: 230px;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
    text-align: center;
    color: var(--text-primary);
}
.oc-hero-survey-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.01em;
}
.oc-hero-survey-qr {
    display: block;
    margin: 0 0 var(--space-sm);
    line-height: 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: #fff;
}
.oc-hero-survey-qr img {
    width: 100%;
    height: auto;
    display: block;
}
.oc-hero-survey-btn,
.oc-hero-survey-btn:link,
.oc-hero-survey-btn:visited {
    display: block;
    background: var(--primary);
    color: #fff;
    padding: 9px 12px;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    transition: background var(--transition-base);
}
.oc-hero-survey-btn:hover,
.oc-hero-survey-btn:focus,
.oc-hero-survey-btn:active {
    background: var(--primary-dark);
    color: #fff;
}
.oc-hero-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}
.oc-hero-logo {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: #fff;
    padding: var(--space-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.oc-hero-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.oc-hero-company {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: rgba(255, 255, 255, 0.92);
}
.oc-hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0 0 var(--space-lg);
    line-height: 1.2;
    color: #fff;
}
.oc-hero-info {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}
.oc-hero-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.15);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.92rem;
    color: #fff;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.oc-hero-chip .dashicons {
    font-size: 1rem;
    width: 1rem;
    height: 1rem;
}

/* ────────────── Bundle (일괄 받기) — 컴팩트 가로 행 (가운데 정렬) ────────────── */
.oc-bundle-section {
    padding: var(--space-xl) 0;
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
}
.oc-bundle-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
}
.oc-bundle-btn,
.oc-bundle-btn:link,
.oc-bundle-btn:visited {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--primary);
    border: 1px solid var(--primary);
    border-radius: var(--radius-full);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}
.oc-bundle-btn:hover,
.oc-bundle-btn:focus,
.oc-bundle-btn:active {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.oc-bundle-svg {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
}
.oc-bundle-label {
    white-space: nowrap;
}

/* ────────────── Sessions (아코디언) ────────────── */
.oc-sessions-section {
    padding: var(--space-2xl) 0 var(--space-3xl);
}
.oc-session {
    background: #fff;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
/* <summary> 기본 disclosure 마커 제거 */
.oc-session-head {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl) var(--space-2xl);
    user-select: none;
    transition: background var(--transition-fast);
}
.oc-session-head::-webkit-details-marker {
    display: none;
}
.oc-session-head:hover {
    background: var(--bg-subtle);
}
.oc-session-no {
    font-family: ui-monospace, "SF Mono", Consolas, monospace;
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}
.oc-session-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
    line-height: 1.3;
    flex: 1;
    min-width: 0;
}
.oc-session-chevron {
    color: var(--text-muted);
    flex-shrink: 0;
    transition: transform var(--transition-base);
    transform: rotate(-90deg);
}
.oc-session[open] .oc-session-chevron {
    transform: rotate(0deg);
    color: var(--primary);
}
.oc-session-body {
    padding: var(--space-lg) var(--space-2xl) var(--space-2xl);
    border-top: 1px solid var(--gray-100);
}
.oc-session-empty {
    color: var(--text-muted);
    font-style: italic;
    margin: 0;
    padding: var(--space-md) 0;
}

/* ────────────── Session Images (자동: 1개 풀폭 / 2+ 2열 그리드) ────────────── */
.oc-session-images {
    margin: 0 0 var(--space-xl);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}
.oc-session-image {
    display: block;
    overflow: hidden;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    background: var(--bg-subtle);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
    line-height: 0;
}
.oc-session-image:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.oc-session-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ────────────── Material Groups (파일 / 링크 / 코드) ────────────── */
.oc-mat-group + .oc-mat-group {
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--gray-200);
}
.oc-mat-group-label {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 0 0 var(--space-md);
}

/* ────────────── Materials (1열, 첨부 순서 보존, 구분선 리스트) ────────────── */
.oc-materials {
    display: flex;
    flex-direction: column;
}

/* 카드 chrome 제거 → 리스트 행 + 자료 사이 가로 구분선 */
.oc-mat {
    display: flex;
    flex-direction: column;
    background: transparent;
    border: none;
    border-radius: 0;
    overflow: visible;
    padding: var(--space-lg) 0;
}
.oc-materials > .oc-mat:first-child {
    padding-top: 0;
}
.oc-materials > .oc-mat:last-child {
    padding-bottom: 0;
}
.oc-materials > .oc-mat + .oc-mat {
    border-top: 1px solid var(--gray-200);
}

.oc-mat-head {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0 0 var(--space-sm);
    background: transparent;
    border: none;
}
.oc-mat-label {
    flex: 1;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 0;
}
.oc-copy-btn {
    background: #fff;
    border: 1px solid var(--gray-300);
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}
.oc-copy-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.oc-copy-btn.is-copied {
    background: var(--color-success);
    border-color: var(--color-success);
    color: #fff;
}

/* Code */
.oc-mat-pre {
    margin: 0;
    padding: var(--space-md);
    background: var(--bg-dark);
    color: #e5e7eb;
    font-family: ui-monospace, "SF Mono", Consolas, monospace;
    font-size: 0.88rem;
    line-height: 1.55;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    border-radius: var(--radius-md);
}
.oc-mat-pre code {
    background: none;
    padding: 0;
    color: inherit;
    font: inherit;
}

/* File — SVG 박스 + 본문 (그리드 카드, 파일 그룹에서만) */
.oc-mat-file {
    flex-direction: row;
    align-items: center;
    gap: var(--space-md);
    text-decoration: none;
    color: var(--text-primary);
}
.oc-mat-svg {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--primary-50);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--transition-base);
}
.oc-mat-file:hover .oc-mat-svg {
    background: var(--primary);
    color: #fff;
}
.oc-mat-file:hover .oc-mat-label {
    color: var(--primary-dark);
}
.oc-mat-file-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    gap: 3px;
}
.oc-mat-file-meta {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-family: ui-monospace, "SF Mono", Consolas, monospace;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ════════════════════════════════════════
   파일 그룹 — 3열 그리드 카드 (리스트 행 → 카드)
   ════════════════════════════════════════ */
.oc-mat-group-file .oc-materials {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}
/* 카드 chrome 부활 (그리드 모드) + 더 진한 배경 */
.oc-mat-group-file .oc-materials > .oc-mat,
.oc-mat-group-file .oc-materials > .oc-mat:first-child,
.oc-mat-group-file .oc-materials > .oc-mat:last-child {
    padding: var(--space-md) var(--space-lg);
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
}
/* 리스트 모드 가로 구분선 무효화 (그리드에선 카드 사방 보더로 대체) */
.oc-mat-group-file .oc-materials > .oc-mat + .oc-mat {
    border-top: 1px solid var(--gray-200);
}
.oc-mat-group-file .oc-materials > .oc-mat-file:hover {
    border-color: var(--primary);
    background: var(--primary-50);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Link — 일반 URL 텍스트 링크 스타일 (버튼 X) */
.oc-mat-link {
    flex-direction: column;
    gap: 4px;
    text-decoration: none;
    color: inherit;
}
.oc-mat-link-row {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
}
.oc-mat-link-label {
    color: var(--color-blue);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-thickness: 1px;
    transition: text-decoration-thickness var(--transition-base), color var(--transition-base);
}
.oc-mat-link-arrow {
    color: var(--color-blue);
    font-size: 0.9em;
    line-height: 1;
}
.oc-mat-link:hover .oc-mat-link-label {
    text-decoration-thickness: 2px;
    color: var(--color-blue-purple-1);
}
.oc-mat-link-url {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-family: ui-monospace, "SF Mono", Consolas, monospace;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ────────────── Password gate ────────────── */
.oc-protected-main {
    background: var(--bg-subtle);
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl) var(--space-md);
}
.oc-protected-wrap {
    text-align: center;
    background: #fff;
    padding: var(--space-3xl) var(--space-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    max-width: 480px;
    width: 100%;
}
.oc-protected-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}
.oc-protected-title {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin: 0 0 var(--space-sm);
}
.oc-protected-desc {
    color: var(--text-secondary);
    margin: 0 0 var(--space-xl);
}
.oc-protected-err {
    background: #fee2e2;
    color: #b91c1c;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    margin: 0 0 var(--space-md);
}
.oc-protected-form {
    display: flex;
    gap: var(--space-sm);
    align-items: stretch;
}
.oc-protected-form input[type="password"] {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-base);
    box-sizing: border-box;
}
.oc-protected-form input[type="password"]:focus {
    border-color: var(--primary);
    outline: none;
}
.oc-protected-form button {
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 0 var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background var(--transition-base);
    white-space: nowrap;
}
.oc-protected-form button:hover {
    background: var(--primary-dark);
}

/* ────────────── Responsive ────────────── */
@media (max-width: 1024px) {
    .oc-mat-group-file .oc-materials {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .oc-hero {
        padding: var(--space-2xl) 0 var(--space-xl);
    }
    .oc-hero-title {
        font-size: 1.75rem;
    }
    .oc-hero-row {
        flex-direction: column;
        gap: var(--space-xl);
    }
    .oc-hero-survey {
        width: 100%;
        max-width: 280px;
        align-self: center;
    }
    .oc-bundle-row {
        grid-template-columns: 1fr;
    }
    .oc-mat-group-file .oc-materials {
        grid-template-columns: 1fr;
    }
    .oc-session-images.is-grid {
        grid-template-columns: 1fr;
    }
    .oc-session {
        padding: var(--space-md);
    }
    .oc-session-head {
        flex-direction: column;
        gap: var(--space-xs);
        align-items: flex-start;
    }
    .oc-session-title {
        font-size: 1.2rem;
    }
    .oc-protected-form {
        flex-direction: column;
    }
    .oc-protected-form button {
        padding: var(--space-sm) var(--space-lg);
    }
}