/* ============================================================
   리브레토 마케팅 — 콘텐츠 재활용 허브 (Phase 2 / T1)
   .rp-* 네임스페이스. CSS 변수만 사용 (하드코딩 금지).
   모바일 표준: 44px 버튼, 단일 컬럼, sticky 액션, safe-area-inset.
   ============================================================ */

/* ─── 레이아웃 (데스크톱) ──────────────────────────────────── */
.rp-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 0;
    min-height: calc(100vh - var(--header-height, 52px));
    background: var(--bg-canvas, #FAF7F2);
}

.rp-side-toggle {
    display: none;
}

/* ─── 좌측 프로젝트 리스트 ───────────────────────────────── */
.rp-projects {
    display: flex;
    flex-direction: column;
    background: var(--bg-card, #FFFFFF);
    border-right: 1px solid var(--border-light, #E8E2D8);
    height: calc(100vh - var(--header-height, 52px));
    position: sticky;
    top: var(--header-height, 52px);
    overflow-y: auto;
}
.rp-projects__head {
    padding: 16px;
    border-bottom: 1px solid var(--border-light, #E8E2D8);
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: var(--bg-card, #FFFFFF);
    position: sticky;
    top: 0;
    z-index: 2;
}
.rp-projects__title {
    font-family: var(--font-serif, 'Noto Serif KR', serif);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary, #2A2A2A);
    margin: 0;
}
.rp-projects__list {
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.rp-projects__empty {
    padding: 24px 12px;
    text-align: center;
    color: var(--text-muted, #8B8B8B);
    font-size: 13px;
}

.rp-project-item {
    text-align: left;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 10px 12px;
    cursor: pointer;
    display: grid;
    grid-template-columns: 12px 1fr;
    grid-template-rows: auto auto;
    gap: 4px 8px;
    align-items: start;
    transition: background .12s, border-color .12s;
    font-family: inherit;
    color: var(--text-primary, #2A2A2A);
}
.rp-project-item:hover {
    background: var(--bg-canvas, #FAF7F2);
}
.rp-project-item.is-active {
    background: var(--sage-soft, rgba(111, 143, 114, .08));
    border-color: var(--sage, #6F8F72);
}
.rp-project-item__title {
    font-size: 13px;
    font-weight: 500;
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    grid-column: 2;
}
.rp-project-item__meta {
    grid-column: 2;
    display: flex;
    gap: 8px;
    font-size: 11px;
    color: var(--text-muted, #8B8B8B);
}
.rp-project-item__book {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1 1 auto;
    min-width: 0;
}
.rp-project-item__date {
    flex-shrink: 0;
}

.rp-list-dot {
    grid-row: 1;
    grid-column: 1;
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-medium, #D4CCBE);
    margin-top: 6px;
}
.rp-list-dot.is-done {
    background: var(--sage, #6F8F72);
}

.rp-projects-overlay {
    display: none;
}

/* ─── 우측 작업 영역 ──────────────────────────────────────── */
.rp-workspace {
    padding: 24px;
    overflow-y: auto;
    min-width: 0;
}
.rp-workspace__inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 빈 상태 */
.rp-empty {
    text-align: center;
    padding: 80px 24px;
    background: var(--bg-card, #FFFFFF);
    border: 1px dashed var(--border-medium, #D4CCBE);
    border-radius: 12px;
}
.rp-empty__icon { font-size: 48px; line-height: 1; margin-bottom: 16px; }
.rp-empty__title {
    font-family: var(--font-serif, 'Noto Serif KR', serif);
    font-size: 22px;
    color: var(--text-primary, #2A2A2A);
    margin: 0 0 12px 0;
}
.rp-empty__desc {
    color: var(--text-secondary, #5C5C5C);
    line-height: 1.7;
    margin: 0 0 24px 0;
    font-size: 14px;
}

/* ─── 워크스페이스 헤더 ──────────────────────────────────── */
.rp-workspace__head {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 12px;
    align-items: center;
    background: var(--bg-card, #FFFFFF);
    border: 1px solid var(--border-light, #E8E2D8);
    border-radius: 10px;
    padding: 12px 16px;
}
.rp-title-input {
    font-family: var(--font-serif, 'Noto Serif KR', serif);
    font-size: 18px;
    font-weight: 600;
    border: none;
    background: transparent;
    color: var(--text-primary, #2A2A2A);
    padding: 8px 0;
    width: 100%;
    min-width: 0;
}
.rp-title-input:focus {
    outline: none;
    border-bottom: 2px solid var(--sage, #6F8F72);
}
.rp-status {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.rp-status__pill {
    font-size: 11px;
    font-weight: 500;
    padding: 3px 8px;
    border-radius: 999px;
    background: var(--bg-canvas, #FAF7F2);
    border: 1px solid var(--border-light, #E8E2D8);
    color: var(--text-secondary, #5C5C5C);
}
.rp-status__pill--generated {
    background: var(--sage-soft, rgba(111, 143, 114, .12));
    border-color: var(--sage, #6F8F72);
    color: var(--sage-dark, #4F6E52);
}
.rp-status__pill--saved {
    background: rgba(193, 154, 107, .12);
    border-color: var(--accent-tan, #C19A6B);
    color: var(--accent-tan, #C19A6B);
}
.rp-save-indicator {
    font-size: 11px;
    color: var(--text-muted, #8B8B8B);
    min-width: 80px;
}
.rp-actions {
    display: flex;
    gap: 6px;
}

/* ─── 메타 폼 ──────────────────────────────────────────── */
.rp-meta {
    background: var(--bg-card, #FFFFFF);
    border: 1px solid var(--border-light, #E8E2D8);
    border-radius: 10px;
    padding: 0;
}
.rp-meta__summary {
    cursor: pointer;
    padding: 12px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary, #5C5C5C);
    user-select: none;
    list-style: none;
}
.rp-meta__summary::-webkit-details-marker { display: none; }
.rp-meta__summary::before {
    content: '▸';
    display: inline-block;
    margin-right: 8px;
    transition: transform .12s;
    color: var(--text-muted, #8B8B8B);
}
.rp-meta[open] .rp-meta__summary::before {
    transform: rotate(90deg);
}
.rp-meta__grid {
    padding: 4px 16px 16px 16px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    border-top: 1px solid var(--border-light, #E8E2D8);
    padding-top: 16px;
}
.rp-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.rp-field--full { grid-column: 1 / -1; }
.rp-field__label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary, #5C5C5C);
}
.rp-input {
    border: 1px solid var(--border-medium, #D4CCBE);
    border-radius: 6px;
    padding: 8px 10px;
    font-size: 13px;
    font-family: inherit;
    background: var(--bg-card, #FFFFFF);
    color: var(--text-primary, #2A2A2A);
    min-height: 40px;
}
.rp-input:focus {
    outline: none;
    border-color: var(--sage, #6F8F72);
    box-shadow: 0 0 0 3px var(--sage-soft, rgba(111, 143, 114, .15));
}

.rp-channel-toggles {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}
.rp-channel-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid var(--border-medium, #D4CCBE);
    border-radius: 999px;
    cursor: pointer;
    font-size: 12px;
    background: var(--bg-card, #FFFFFF);
    color: var(--text-secondary, #5C5C5C);
    user-select: none;
    transition: background .12s, border-color .12s, color .12s;
}
.rp-channel-toggle input[type="checkbox"] {
    margin: 0;
    width: 14px;
    height: 14px;
    accent-color: var(--sage, #6F8F72);
}
.rp-channel-toggle:has(input:checked) {
    background: var(--sage-soft, rgba(111, 143, 114, .12));
    border-color: var(--sage, #6F8F72);
    color: var(--sage-dark, #4F6E52);
}

/* ─── 원본 콘텐츠 ────────────────────────────────────────── */
.rp-source-section {
    background: var(--bg-card, #FFFFFF);
    border: 1px solid var(--border-light, #E8E2D8);
    border-radius: 10px;
    padding: 16px;
}
.rp-source-section__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.rp-h3 {
    font-family: var(--font-serif, 'Noto Serif KR', serif);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary, #2A2A2A);
    margin: 0;
}
.rp-source-meta {
    font-size: 12px;
    color: var(--text-muted, #8B8B8B);
    font-family: var(--font-mono, 'IBM Plex Mono', monospace);
}
.rp-source-wrap {
    position: relative;
}
.rp-source {
    width: 100%;
    min-height: 200px;
    max-height: 600px;
    resize: vertical;
    border: 1px solid var(--border-medium, #D4CCBE);
    border-radius: 8px;
    padding: 12px 44px 12px 12px;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.7;
    background: var(--bg-canvas, #FAF7F2);
    color: var(--text-primary, #2A2A2A);
    box-sizing: border-box;
}
.rp-source:focus {
    outline: none;
    border-color: var(--sage, #6F8F72);
    background: var(--bg-card, #FFFFFF);
    box-shadow: 0 0 0 3px var(--sage-soft, rgba(111, 143, 114, .15));
}
.rp-fullscreen-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 6px 10px;
    line-height: 1;
}

/* ─── 5채널 영역 ────────────────────────────────────────── */
.rp-channels-section {
    background: var(--bg-card, #FFFFFF);
    border: 1px solid var(--border-light, #E8E2D8);
    border-radius: 10px;
    padding: 16px;
}
.rp-channels-head {
    margin-bottom: 16px;
}
.rp-summary {
    margin: 8px 0 0 0;
    font-size: 13px;
    color: var(--text-secondary, #5C5C5C);
    background: var(--bg-canvas, #FAF7F2);
    padding: 8px 12px;
    border-radius: 6px;
    border-left: 3px solid var(--sage, #6F8F72);
}
.rp-channels-empty {
    padding: 32px 16px;
    text-align: center;
    color: var(--text-muted, #8B8B8B);
    background: var(--bg-canvas, #FAF7F2);
    border: 1px dashed var(--border-medium, #D4CCBE);
    border-radius: 8px;
}

.rp-channels-grid {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 16px;
}

.rp-channels-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-content: start;
}
.rp-channel-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary, #5C5C5C);
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    transition: background .12s, border-color .12s, color .12s;
    min-height: 44px;
}
.rp-channel-nav:hover {
    background: var(--bg-canvas, #FAF7F2);
}
.rp-channel-nav.is-active {
    background: var(--sage-soft, rgba(111, 143, 114, .08));
    border-color: var(--sage, #6F8F72);
    color: var(--sage-dark, #4F6E52);
    font-weight: 500;
}
.rp-channel-nav__icon { font-size: 16px; }
.rp-channel-nav__label { font-size: 13px; }
.rp-nav-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--border-medium, #D4CCBE);
}
.rp-nav-dot.is-done {
    background: var(--sage, #6F8F72);
}

/* ─── 채널 카드 ──────────────────────────────────────────── */
.rp-channels-content {
    min-width: 0;
}
.rp-channel {
    background: var(--bg-canvas, #FAF7F2);
    border: 1px solid var(--border-light, #E8E2D8);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 12px;
    display: none; /* 데스크톱: 활성만 */
}
.rp-channel.is-active {
    display: block;
}
.rp-channel__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-light, #E8E2D8);
}
.rp-channel__title {
    font-family: var(--font-serif, 'Noto Serif KR', serif);
    font-size: 15px;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary, #2A2A2A);
    display: flex;
    align-items: center;
    gap: 8px;
}
.rp-channel__icon { font-size: 18px; }
.rp-channel__actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.rp-channel__body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.rp-channel-empty {
    padding: 24px;
    text-align: center;
    color: var(--text-muted, #8B8B8B);
    font-size: 13px;
}

/* 채널별 색상 변주 (좌측 보더 색상으로 약하게 구분) */
.rp-channel--instagram { border-left: 4px solid #E1306C; }
.rp-channel--threads   { border-left: 4px solid #000000; }
.rp-channel--blog      { border-left: 4px solid var(--sage, #6F8F72); }
.rp-channel--shorts    { border-left: 4px solid #FF0000; }
.rp-channel--email     { border-left: 4px solid var(--accent-tan, #C19A6B); }

/* ─── 서브 필드 ──────────────────────────────────────────── */
.rp-sub {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.rp-sub--inline {
    flex-direction: row;
    align-items: center;
    gap: 12px;
}
.rp-sub__label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary, #5C5C5C);
}
.rp-output {
    width: 100%;
    border: 1px solid var(--border-medium, #D4CCBE);
    border-radius: 6px;
    padding: 10px 12px;
    font-family: inherit;
    font-size: 13px;
    line-height: 1.6;
    background: var(--bg-card, #FFFFFF);
    color: var(--text-primary, #2A2A2A);
    box-sizing: border-box;
    resize: vertical;
}
.rp-output:focus {
    outline: none;
    border-color: var(--sage, #6F8F72);
    box-shadow: 0 0 0 3px var(--sage-soft, rgba(111, 143, 114, .15));
}
.rp-output--num {
    width: 80px;
}
.rp-output--blog-title,
.rp-output--blog-heading {
    font-family: var(--font-serif, 'Noto Serif KR', serif);
    font-size: 15px;
    font-weight: 600;
}
.rp-output--blog-body {
    font-family: var(--font-serif, 'Noto Serif KR', serif);
    line-height: 1.8;
}
.rp-output--email-body {
    line-height: 1.7;
    font-size: 13px;
}
.rp-hint {
    font-size: 11px;
    color: var(--text-muted, #8B8B8B);
}

/* ─── 트윗 ───────────────────────────────────────────────── */
.rp-tweets {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.rp-tweet {
    display: grid;
    grid-template-columns: 24px 1fr auto;
    gap: 8px;
    align-items: start;
    padding: 10px;
    background: var(--bg-card, #FFFFFF);
    border: 1px solid var(--border-light, #E8E2D8);
    border-radius: 8px;
}
.rp-tweet__num {
    font-size: 12px;
    color: var(--text-muted, #8B8B8B);
    font-weight: 600;
    text-align: center;
    padding-top: 12px;
}
.rp-tweet .rp-output {
    margin: 0;
}
.rp-tweet__count {
    font-size: 11px;
    color: var(--text-muted, #8B8B8B);
    font-family: var(--font-mono, 'IBM Plex Mono', monospace);
    align-self: end;
    white-space: nowrap;
}

/* ─── 블로그 섹션 ────────────────────────────────────────── */
.rp-blog-sections {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.rp-blog-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    background: var(--bg-card, #FFFFFF);
    border: 1px solid var(--border-light, #E8E2D8);
    border-radius: 8px;
}

/* ─── 버튼 ───────────────────────────────────────────────── */
.rp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 14px;
    border: 1px solid var(--border-medium, #D4CCBE);
    border-radius: 6px;
    background: var(--bg-card, #FFFFFF);
    color: var(--text-primary, #2A2A2A);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background .12s, border-color .12s, color .12s;
    min-height: 36px;
}
.rp-btn:hover {
    background: var(--bg-canvas, #FAF7F2);
    border-color: var(--sage, #6F8F72);
}
.rp-btn:disabled {
    opacity: .55;
    cursor: not-allowed;
}
.rp-btn--small {
    padding: 6px 10px;
    font-size: 12px;
    min-height: 30px;
}
.rp-btn--lg {
    padding: 12px 24px;
    font-size: 14px;
    min-height: 44px;
}
.rp-btn--ghost {
    background: transparent;
    border-color: transparent;
    color: var(--text-secondary, #5C5C5C);
}
.rp-btn--ghost:hover {
    background: var(--bg-canvas, #FAF7F2);
    color: var(--text-primary, #2A2A2A);
}
.rp-btn--primary {
    background: var(--sage, #6F8F72);
    border-color: var(--sage, #6F8F72);
    color: #FFFFFF;
}
.rp-btn--primary:hover {
    background: var(--sage-dark, #4F6E52);
    border-color: var(--sage-dark, #4F6E52);
    color: #FFFFFF;
}
.rp-btn--primary:disabled {
    background: var(--sage, #6F8F72);
    border-color: var(--sage, #6F8F72);
    color: #FFFFFF;
}

/* ─── Sticky 하단 (생성 버튼) ───────────────────────────── */
.rp-sticky-bottom {
    position: sticky;
    bottom: 0;
    background: linear-gradient(to top, var(--bg-canvas, #FAF7F2) 60%, transparent 100%);
    padding: 16px 0 calc(16px + env(safe-area-inset-bottom, 0));
    display: flex;
    justify-content: center;
    z-index: 10;
}
.rp-sticky-bottom .rp-btn--primary {
    min-width: 280px;
    padding: 14px 32px;
}

/* ─── 768px 이하 — 모바일 ────────────────────────────────── */
@media (max-width: 1024px) {
    .rp-layout {
        grid-template-columns: 1fr;
    }
    .rp-side-toggle {
        display: inline-flex;
        position: fixed;
        bottom: calc(80px + env(safe-area-inset-bottom, 0));
        right: 16px;
        z-index: 50;
        background: var(--sage, #6F8F72);
        color: #FFFFFF;
        border: none;
        border-radius: 999px;
        padding: 12px 18px;
        font-size: 13px;
        font-weight: 500;
        font-family: inherit;
        box-shadow: 0 4px 12px rgba(0, 0, 0, .15);
        cursor: pointer;
    }
    .rp-projects {
        position: fixed;
        top: var(--header-height, 52px);
        bottom: 0;
        left: 0;
        width: 280px;
        z-index: 60;
        transform: translateX(-100%);
        transition: transform .22s ease-out;
        box-shadow: 4px 0 16px rgba(0, 0, 0, .08);
        height: auto;
    }
    .rp-projects.is-open {
        transform: translateX(0);
    }
    .rp-projects-overlay {
        display: block;
        position: fixed;
        inset: var(--header-height, 52px) 0 0 0;
        background: rgba(0, 0, 0, .35);
        z-index: 55;
        opacity: 0;
        pointer-events: none;
        transition: opacity .2s;
    }
    .rp-projects-overlay.is-visible {
        opacity: 1;
        pointer-events: auto;
    }
    .rp-workspace {
        padding: 16px;
    }
}

@media (max-width: 768px) {
    .rp-workspace { padding: 12px; }
    .rp-workspace__inner { gap: 14px; }

    .rp-workspace__head {
        grid-template-columns: 1fr auto;
        padding: 10px 12px;
    }
    .rp-workspace__head .rp-status {
        grid-column: 1 / -1;
    }

    .rp-meta__grid {
        grid-template-columns: 1fr;
    }

    /* 5채널: 데스크톱 좌측 네비 → 모바일 가로 스크롤 + 모든 채널 카드 표시 (아코디언) */
    .rp-channels-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .rp-channels-nav {
        flex-direction: row;
        overflow-x: auto;
        gap: 6px;
        padding-bottom: 4px;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
    }
    .rp-channel-nav {
        flex-shrink: 0;
        scroll-snap-align: start;
        padding: 8px 12px;
        min-height: 38px;
    }
    .rp-channel-nav__label { font-size: 12px; }

    /* 모바일: 모든 카드 표시 (아코디언처럼) */
    .rp-channel {
        display: block;
        opacity: .6;
        transition: opacity .2s;
    }
    .rp-channel.is-active {
        opacity: 1;
    }

    .rp-channel__head {
        flex-direction: column;
        align-items: stretch;
    }
    .rp-channel__actions {
        justify-content: flex-end;
    }

    .rp-source { min-height: 160px; padding: 10px 40px 10px 10px; }

    /* sticky 하단: 모바일에서도 풀폭 */
    .rp-sticky-bottom {
        bottom: 0;
        margin: 0 -12px;
        padding: 12px 12px calc(12px + env(safe-area-inset-bottom, 0));
    }
    .rp-sticky-bottom .rp-btn--primary {
        width: 100%;
        min-width: 0;
    }

    .rp-output { font-size: 14px; padding: 10px; min-height: 40px; }

    .rp-tweet {
        grid-template-columns: 20px 1fr;
    }
    .rp-tweet__count {
        grid-column: 2;
        text-align: right;
    }
}

@media (max-width: 480px) {
    .rp-channel { padding: 12px; }
    .rp-channel__title { font-size: 14px; }
    .rp-btn { padding: 8px 12px; }
    .rp-btn--small { padding: 6px 8px; font-size: 11px; }
    .rp-btn--lg { padding: 12px 18px; }
    .rp-projects { width: calc(100vw - 48px); }
}