/* ═══════════════════════════════════════════════════════════════
   黏液科技教學頁面 - Cyberpunk Theme
   ═══════════════════════════════════════════════════════════════ */

.sf-hero .server-title {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

/* 分類 Tabs */
.sf-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    justify-content: center;
    animation: cardReveal 0.6s ease-out 0.2s both;
}

.sf-tab {
    padding: 10px 20px;
    background: transparent;
    border: 1px solid rgba(0, 245, 212, 0.2);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.3s ease;
}

.sf-tab:hover {
    color: var(--neon-cyan);
    border-color: rgba(0, 245, 212, 0.4);
    background: rgba(0, 245, 212, 0.08);
}

.sf-tab.active {
    color: var(--bg-deep);
    background: var(--neon-cyan);
    border-color: var(--neon-cyan);
    font-weight: 600;
    box-shadow: var(--glow-cyan);
}

/* 主內容 */
.sf-main {
    display: grid;
    gap: 2.5rem;
    margin: 1rem 0 2rem;
}

/* ─── 階段區塊 ─── */
.sf-phase {
    animation: cardReveal 0.6s ease-out both;
}
.sf-phase:nth-child(1) { animation-delay: 0.1s; }
.sf-phase:nth-child(2) { animation-delay: 0.15s; }
.sf-phase:nth-child(3) { animation-delay: 0.2s; }
.sf-phase:nth-child(4) { animation-delay: 0.25s; }
.sf-phase:nth-child(5) { animation-delay: 0.3s; }
.sf-phase:nth-child(6) { animation-delay: 0.35s; }

.sf-phase-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 1.5rem;
    border-radius: 14px;
    margin-bottom: 1.5rem;
}

.sf-phase-header h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin: 0;
    letter-spacing: 1px;
}

.sf-phase-header p {
    margin: 0.2rem 0 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

.sf-phase-icon {
    font-size: 2.2rem;
    line-height: 1;
}

/* 各階段配色 */
.phase-start {
    background: linear-gradient(135deg, rgba(0, 245, 212, 0.12), rgba(0, 245, 212, 0.04));
    border: 1px solid rgba(0, 245, 212, 0.25);
    color: var(--neon-cyan);
}

.phase-basic {
    background: linear-gradient(135deg, rgba(255, 170, 0, 0.12), rgba(255, 170, 0, 0.04));
    border: 1px solid rgba(255, 170, 0, 0.25);
    color: #ffaa00;
}

.phase-mid {
    background: linear-gradient(135deg, rgba(120, 100, 255, 0.12), rgba(120, 100, 255, 0.04));
    border: 1px solid rgba(120, 100, 255, 0.25);
    color: #7864ff;
}

.phase-end {
    background: linear-gradient(135deg, rgba(255, 60, 120, 0.12), rgba(255, 60, 120, 0.04));
    border: 1px solid rgba(255, 60, 120, 0.25);
    color: #ff3c78;
}

.phase-addons {
    background: linear-gradient(135deg, rgba(0, 200, 120, 0.12), rgba(0, 200, 120, 0.04));
    border: 1px solid rgba(0, 200, 120, 0.25);
    color: #00c878;
}

.phase-tips {
    background: linear-gradient(135deg, rgba(255, 220, 50, 0.12), rgba(255, 220, 50, 0.04));
    border: 1px solid rgba(255, 220, 50, 0.25);
    color: #ffdc32;
}

/* ─── 步驟列表 ─── */
.sf-step-list {
    display: grid;
    gap: 1rem;
}

.sf-step {
    display: flex;
    gap: 1rem;
    padding: 1.2rem;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.sf-step:hover {
    border-color: rgba(0, 245, 212, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.sf-step-num {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--neon-cyan), #00b894);
    color: var(--bg-deep);
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sf-step-content h3 {
    font-family: var(--font-display);
    color: var(--text-primary);
    font-size: 1.1rem;
    margin: 0 0 0.5rem;
}

.sf-step-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0.3rem 0;
    line-height: 1.6;
}

.sf-step-content code {
    background: rgba(0, 245, 212, 0.12);
    color: var(--neon-cyan);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.9rem;
}

/* Tag */
.sf-tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
}

.sf-tag.locked {
    background: rgba(255, 60, 60, 0.15);
    color: #ff5555;
}

/* 備註框 */
.sf-note {
    padding: 1rem 1.2rem;
    background: rgba(255, 220, 50, 0.08);
    border: 1px solid rgba(255, 220, 50, 0.2);
    border-radius: 10px;
    color: #ffdc32;
    font-size: 0.95rem;
    margin: 1rem 0;
    line-height: 1.6;
}

/* ─── 流程圖 ─── */
.sf-flow {
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid rgba(255, 170, 0, 0.15);
    border-radius: 14px;
    margin-bottom: 1.5rem;
}

.sf-flow h3 {
    font-family: var(--font-display);
    color: #ffaa00;
    margin: 0 0 1rem;
    font-size: 1.1rem;
}

.sf-flow-chart {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    flex-wrap: wrap;
    justify-content: center;
}

.sf-flow-node {
    padding: 8px 14px;
    background: rgba(255, 170, 0, 0.1);
    border: 1px solid rgba(255, 170, 0, 0.3);
    border-radius: 8px;
    color: #ffcc44;
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
}

.sf-flow-arrow {
    color: rgba(255, 170, 0, 0.5);
    font-size: 1.2rem;
    font-weight: bold;
}

/* ─── 卡片網格 ─── */
.sf-subtitle {
    font-family: var(--font-display);
    color: var(--text-primary);
    font-size: 1.2rem;
    margin: 1.5rem 0 1rem;
}

.sf-subtitle-sm {
    font-family: var(--font-display);
    color: var(--text-primary);
    font-size: 1.05rem;
    margin: 1.2rem 0 0.8rem;
}

.sf-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.sf-card-grid.two-col {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.sf-card {
    padding: 1.2rem;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.sf-card:hover {
    border-color: rgba(0, 245, 212, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.sf-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.sf-card-order {
    color: var(--neon-cyan);
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
}

.sf-card h4 {
    font-family: var(--font-display);
    color: var(--text-primary);
    font-size: 1.05rem;
    margin: 0;
}

.sf-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0.4rem 0 0;
    line-height: 1.6;
}

/* Badge */
.sf-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 0.6rem;
}

.sf-badge.essential {
    background: rgba(0, 245, 212, 0.12);
    color: var(--neon-cyan);
    border: 1px solid rgba(0, 245, 212, 0.3);
}

.sf-badge.useful {
    background: rgba(255, 220, 50, 0.1);
    color: #ffdc32;
    border: 1px solid rgba(255, 220, 50, 0.3);
}

.sf-badge.fossil {
    background: rgba(180, 140, 100, 0.15);
    color: #c8a878;
}

.sf-badge.nuclear {
    background: rgba(120, 255, 50, 0.1);
    color: #78ff32;
}

.sf-badge.solar {
    background: rgba(255, 220, 50, 0.12);
    color: #ffdc32;
}

/* 材料網格 */
.sf-material-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.5rem 0;
}

.sf-material {
    padding: 6px 14px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ─── 三欄並排 ─── */
.sf-trio {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.sf-trio-item {
    text-align: center;
    padding: 1.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.sf-trio-item:hover {
    border-color: rgba(120, 100, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.sf-trio-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.sf-trio-item h4 {
    font-family: var(--font-display);
    color: var(--text-primary);
    margin: 0 0 0.4rem;
    font-size: 1rem;
}

.sf-trio-item p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin: 0;
    line-height: 1.5;
}

/* ─── 系統區塊 ─── */
.sf-system-block {
    padding: 1.5rem;
    background: rgba(120, 100, 255, 0.04);
    border: 1px solid rgba(120, 100, 255, 0.12);
    border-radius: 14px;
    margin-bottom: 1.5rem;
}

.sf-system-block h3 {
    font-family: var(--font-display);
    color: #7864ff;
    margin: 0 0 0.8rem;
    font-size: 1.2rem;
}

.sf-system-block > p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ─── 表格 ─── */
.sf-table-wrapper {
    overflow-x: auto;
    margin: 0.8rem 0;
    border-radius: 10px;
}

.sf-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.sf-table thead th {
    background: rgba(120, 100, 255, 0.12);
    color: var(--text-primary);
    font-family: var(--font-display);
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid rgba(120, 100, 255, 0.2);
}

.sf-table tbody td {
    padding: 10px 14px;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.sf-table tbody tr:hover {
    background: rgba(120, 100, 255, 0.06);
}

/* ─── 小技巧 ─── */
.sf-tips-grid {
    display: grid;
    gap: 1rem;
}

.sf-tip {
    display: flex;
    gap: 1rem;
    padding: 1.2rem;
    background: var(--bg-card);
    border: 1px solid rgba(255, 220, 50, 0.1);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.sf-tip:hover {
    border-color: rgba(255, 220, 50, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.sf-tip-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.sf-tip h4 {
    font-family: var(--font-display);
    color: var(--text-primary);
    margin: 0 0 0.3rem;
    font-size: 1rem;
}

.sf-tip p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.6;
}

/* ─── 附加插件卡片 ─── */
.addon-card {
    border-left: 3px solid rgba(0, 200, 120, 0.4);
}

.addon-card:hover {
    border-left-color: #00c878;
}

/* ─── 外部參考 ─── */
.sf-references {
    margin-top: 1rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
}

.sf-references h3 {
    font-family: var(--font-display);
    color: var(--text-primary);
    margin: 0 0 1rem;
    font-size: 1.1rem;
}

.sf-ref-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.sf-ref-link {
    padding: 10px 18px;
    background: rgba(0, 245, 212, 0.06);
    border: 1px solid rgba(0, 245, 212, 0.15);
    border-radius: 10px;
    color: var(--neon-cyan);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.sf-ref-link:hover {
    background: rgba(0, 245, 212, 0.12);
    border-color: rgba(0, 245, 212, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 245, 212, 0.15);
}

/* ─── RWD 手機版 ─── */
@media (max-width: 768px) {
    .sf-phase-header {
        padding: 1rem;
    }

    .sf-phase-header h2 {
        font-size: 1.2rem;
    }

    .sf-phase-icon {
        font-size: 1.8rem;
    }

    .sf-flow-chart {
        flex-direction: column;
        align-items: stretch;
    }

    .sf-flow-node {
        text-align: center;
    }

    .sf-flow-arrow {
        text-align: center;
        transform: rotate(90deg);
    }

    .sf-card-grid {
        grid-template-columns: 1fr;
    }

    .sf-trio {
        grid-template-columns: 1fr;
    }

    .sf-step {
        flex-direction: column;
        align-items: flex-start;
    }

    .sf-tip {
        flex-direction: column;
    }

    .sf-ref-links {
        flex-direction: column;
    }

    .sf-tab {
        padding: 8px 14px;
        font-size: 0.85rem;
    }
}