/* ============================================================
   SkillUP — 认知成长追踪 UI 样式  v3.0
   配色：水墨道风 — 墨绿 #2e5f5f / 淡金 #d4c9a8 / 宣纸 #faf8f0 / #fffef5
   设计约束：不抢眼、不喧哗、与主站融为一体
   禁用效果：backdrop-filter blur / box-shadow / gradient
   ============================================================ */

/* ----- 成长卡片（复用 .entry-card 基础样式） ----- */
.skillup-card {
    cursor: pointer;
}

.skillup-card-inner {
    width: 100%;
}

/* ----- 卡片头部：图标 + 标题 ----- */
.skillup-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.skillup-card-icon {
    font-size: 1.6em;
    flex-shrink: 0;
}

.skillup-card-title {
    font-size: 1.1em;
    font-weight: 600;
    color: #2e5f5f;
    letter-spacing: 1px;
}

/* ----- 卡片主体 ----- */
.skillup-card-opening {
    color: #2e5f5f;
    font-size: 0.95em;
    line-height: 1.7;
    margin: 0 0 14px;
}

.skillup-completion-opening {
    font-weight: 600;
    color: #2e5f5f;
}

/* 指标列表 */
.skillup-card-metrics {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}

.skillup-metric {
    color: #555;
    font-size: 0.9em;
    line-height: 1.6;
}

.skillup-metric strong {
    color: #2e5f5f;
    font-weight: 600;
}

/* 结尾引导语 */
.skillup-card-closing {
    color: #888;
    font-size: 0.88em;
    line-height: 1.6;
    margin: 0 0 10px;
    font-style: italic;
}

.skillup-completion-quote {
    color: #5a7a6a;
    font-style: normal;
}

/* ----- 卡片底部 ----- */
.skillup-card-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 8px;
    border-top: 1px solid #f0ede0;
}

.skillup-completion-footer {
    justify-content: space-between;
}

.skillup-expand-hint {
    color: #aaa;
    font-size: 0.82em;
    cursor: pointer;
    transition: color 0.2s;
}

.skillup-expand-hint:hover {
    color: #2e5f5f;
}

/* 回顾旅程按钮 */
.skillup-retrospective-btn {
    padding: 6px 16px;
    border: 1px solid #d4c9a8;
    border-radius: 6px;
    background: #faf8f0;
    color: #2e5f5f;
    font-size: 0.85em;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

.skillup-retrospective-btn:hover {
    background: #f0ede0;
    border-color: #c4b998;
}

/* ===== 展开详情区 ===== */
.skillup-card-detail {
    margin-top: 12px;
    animation: skillup-expand-in 0.25s ease;
}

@keyframes skillup-expand-in {
    from { opacity: 0; max-height: 0; }
    to { opacity: 1; max-height: 1200px; }
}

.skillup-detail-divider {
    height: 1px;
    background: #e8e4d6;
    margin-bottom: 14px;
}

.skillup-detail-stats {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.skillup-detail-stat {
    flex: 1;
    min-width: 140px;
    padding: 10px 14px;
    background: #f0f5f3;
    border-radius: 8px;
    border: 1px solid #dce8e0;
    color: #555;
    font-size: 0.9em;
    text-align: center;
}

.skillup-detail-stat strong {
    color: #2e5f5f;
}

.skillup-detail-section {
    margin-bottom: 12px;
}

.skillup-detail-label {
    color: #2e5f5f;
    font-weight: 600;
    font-size: 0.88em;
    margin-bottom: 6px;
}

.skillup-detail-list {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.skillup-detail-item {
    color: #666;
    font-size: 0.85em;
    line-height: 1.6;
}

.skillup-detail-item strong {
    color: #2e5f5f;
}

.skillup-completion-mark {
    color: #2e5f5f;
    font-weight: 500;
}

.skillup-detail-collapse {
    text-align: center;
    color: #aaa;
    font-size: 0.82em;
    padding-top: 8px;
    cursor: pointer;
    transition: color 0.2s;
}

.skillup-detail-collapse:hover {
    color: #2e5f5f;
}

/* ============================================================
   回顾旅程 — 全屏覆盖卡片
   ============================================================ */
.skillup-retro-overlay {
    position: fixed;
    inset: 0;
    z-index: 10002;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(44, 44, 44, 0.35);
    animation: skillup-fade-in 0.2s ease;
}

@keyframes skillup-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.skillup-retro-content {
    position: relative;
    background: #fffef5;
    border-radius: 12px;
    max-width: 480px;
    width: 92%;
    max-height: 85vh;
    overflow-y: auto;
    border: 1px solid #d4c9a8;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    animation: skillup-slide-up 0.25s ease;
}

@keyframes skillup-slide-up {
    from { transform: translateY(20px); opacity: 0; }
    to   { transform: translateY(0); opacity: 1; }
}

/* 回顾头部 */
.skillup-retro-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 28px 28px 0;
    position: relative;
}

.skillup-retro-icon {
    font-size: 1.8em;
}

.skillup-retro-title {
    font-size: 1.3em;
    font-weight: 700;
    color: #2e5f5f;
    margin: 0;
    letter-spacing: 1px;
}

.skillup-retro-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid #d4c9a8;
    background: #fffef5;
    color: #888;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1em;
    transition: all 0.2s;
}

.skillup-retro-close:hover {
    background: #f0ede0;
    color: #555;
}

/* 回顾主体 */
.skillup-retro-body {
    padding: 18px 28px 8px;
}

.skillup-retro-opening {
    color: #2e5f5f;
    font-size: 0.95em;
    line-height: 1.8;
    margin: 0 0 10px;
}

.skillup-retro-stats {
    display: flex;
    gap: 16px;
    margin: 18px 0;
}

.skillup-retro-stat {
    flex: 1;
    text-align: center;
    padding: 16px 8px;
    background: #f0f5f3;
    border-radius: 10px;
    border: 1px solid #dce8e0;
}

.skillup-retro-stat-value {
    display: block;
    font-size: 1.6em;
    font-weight: 700;
    color: #2e5f5f;
    margin-bottom: 2px;
}

.skillup-retro-stat-label {
    display: block;
    font-size: 0.78em;
    color: #888;
}

/* 回顾分区 */
.skillup-retro-section {
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid #f0ede0;
}

.skillup-retro-section:last-of-type {
    border-bottom: none;
}

.skillup-retro-section-title {
    font-size: 0.95em;
    color: #2e5f5f;
    margin: 0 0 10px;
    font-weight: 600;
}

.skillup-retro-text {
    color: #555;
    font-size: 0.9em;
    line-height: 1.8;
    margin: 0;
}

.skillup-retro-gratitude {
    color: #5a7a6a;
    line-height: 1.9;
}

/* 时间线 */
.skillup-retro-timeline {
    padding-left: 4px;
}

.skillup-retro-timeline-item {
    display: flex;
    gap: 12px;
    padding: 5px 0;
    border-left: 2px solid #dce8e0;
    padding-left: 14px;
    margin-left: 4px;
    position: relative;
}

.skillup-retro-timeline-item::before {
    content: '';
    position: absolute;
    left: -5px;
    top: 10px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #d4c9a8;
}

.skillup-retro-timeline-date {
    color: #aaa;
    font-size: 0.82em;
    white-space: nowrap;
    min-width: 80px;
}

.skillup-retro-timeline-text {
    color: #555;
    font-size: 0.88em;
    line-height: 1.5;
}

/* 回顾底部 */
.skillup-retro-footer {
    padding: 6px 28px 24px;
    text-align: center;
}

.skillup-retro-close-btn {
    padding: 10px 28px;
    border: 1px solid #d4c9a8;
    border-radius: 8px;
    background: #fffef5;
    color: #2e5f5f;
    font-size: 0.9em;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s;
}

.skillup-retro-close-btn:hover {
    background: #f0ede0;
}

/* ============================================================
   章节页面底部引导（§4.2）
   ============================================================ */
.skillup-chapter-guidance {
    margin: 32px 0 18px;
    padding: 0;
}

.skillup-guidance-inner {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px 24px;
    background: #f0f5f3;
    border-radius: 10px;
    border: 1px solid #dce8e0;
    border-left: 4px solid #2e5f5f;
}

.skillup-guidance-icon {
    font-size: 1.8em;
    flex-shrink: 0;
    margin-top: 2px;
}

.skillup-guidance-text {
    flex: 1;
}

.skillup-guidance-message {
    color: #2e5f5f;
    font-size: 0.95em;
    line-height: 1.7;
    margin: 0 0 8px;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

.skillup-guidance-meta {
    color: #aaa;
    font-size: 0.78em;
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

/* ============================================================
   移动端适配
   ============================================================ */
@media (max-width: 768px) {
    .skillup-card-title {
        font-size: 1em;
    }

    .skillup-card-opening {
        font-size: 0.88em;
    }

    .skillup-metric {
        font-size: 0.83em;
    }

    .skillup-card-closing {
        font-size: 0.82em;
    }

    .skillup-detail-stat {
        min-width: 120px;
        padding: 8px 10px;
        font-size: 0.83em;
    }

    .skillup-detail-stats {
        gap: 10px;
    }

    /* 回顾 */
    .skillup-retro-content {
        max-width: 100%;
        max-height: 90vh;
        border-radius: 0;
    }

    .skillup-retro-header {
        padding: 22px 20px 0;
    }

    .skillup-retro-body {
        padding: 14px 20px 6px;
    }

    .skillup-retro-stats {
        gap: 10px;
    }

    .skillup-retro-stat {
        padding: 12px 6px;
    }

    .skillup-retro-stat-value {
        font-size: 1.3em;
    }

    .skillup-retro-timeline-date {
        min-width: 68px;
        font-size: 0.78em;
    }

    .skillup-retro-footer {
        padding: 4px 20px 20px;
    }

    /* 章节引导 */
    .skillup-guidance-inner {
        padding: 16px 18px;
        gap: 10px;
    }

    .skillup-guidance-icon {
        font-size: 1.4em;
    }

    .skillup-guidance-message {
        font-size: 0.88em;
    }

    .skillup-card-footer {
        flex-wrap: wrap;
        gap: 8px;
    }

    .skillup-completion-footer {
        flex-wrap: wrap;
    }
}