/* Tool App Specific Styles - Dark Tech Theme */
:root {
    --card-bg: rgba(30, 35, 40, 0.8);
    --card-border: rgba(0, 217, 255, 0.15);
    --card-hover-border: rgba(0, 217, 255, 0.5);
    --primary-glow: 0 0 20px rgba(0, 217, 255, 0.15);
}

.tool-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    margin-top: 40px;
    align-items: start;
}

/* ===============================
            篩選
   =============================== */
   
.filter-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 25px;
    position: sticky;
    top: 100px;
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.filter-title {
    color: var(--c-cyan);
    font-weight: 700;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 12px;
    margin-bottom: 20px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 0.5px;
}

.filter-categories {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 30px;
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-light);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 0.95rem;
    cursor: pointer;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
    transform: translateX(5px);
}

.filter-btn.active {
    background: linear-gradient(90deg, rgba(0, 217, 255, 0.15), transparent);
    border-left: 3px solid var(--c-cyan);
    color: var(--c-cyan);
    font-weight: 600;
}

.filter-tags .filter-btn {
    border: 1px solid var(--card-border);
    padding: 6px 12px;
    font-size: 0.85rem;
    border-radius: 20px;
}

.filter-tags .filter-btn:hover {
    transform: translateY(-2px);
    border-color: var(--c-cyan);
    box-shadow: var(--primary-glow);
}

.filter-tags .filter-btn.active-tag {
    background: var(--c-cyan);
    color: #000;
    border-color: var(--c-cyan);
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.4);
}

/* ===============================
            工具清單
   =============================== */

.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.tool-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    height: 100%;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding: 25px;
    backdrop-filter: blur(10px);
}

.tool-card:hover {
    transform: translateY(-8px) scale(1.01);
    border-color: var(--c-cyan);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), var(--primary-glow);
    z-index: 1;
}

.tool-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.tool-logo-container {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 14px;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.tool-card:hover .tool-logo-container {
    transform: scale(1.1) rotate(5deg);
    border-color: rgba(0, 217, 255, 0.3);
}

.tool-logo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.tool-name {
    color: var(--white);
    font-weight: 700;
    margin-bottom: 12px;
    font-size: 1.25rem;
    letter-spacing: 0.5px;
}

.tool-positioning {
    color: rgba(230, 241, 255, 0.6);
    font-size: 0.95rem;
    line-height: 1.6;
    flex-grow: 1;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 價格標籤 */
.pricing-badge {
    font-size: 0.75rem;
    padding: 6px 10px;
    border-radius: 6px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* 價格標籤-免費 */
.pricing-free {
    background: rgba(10, 203, 142, 0.15);
    color: #0acb8e;
    border: 1px solid rgba(10, 203, 142, 0.2);
}

/* 價格標籤-付費 */
.pricing-paid {
    background: rgba(254, 84, 97, 0.15);
    color: #fe5461;
    border: 1px solid rgba(254, 84, 97, 0.2);
}

/* 價格標籤- Freemium */
.pricing-freemium {
    background: rgba(254, 196, 0, 0.15);
    color: #fec400;
    border: 1px solid rgba(254, 196, 0, 0.2);
}

/* 標籤 */
.tool-tags {
    margin-bottom: 25px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-badge {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 20px;
    transition: all 0.2s;
}

.tool-card:hover .tag-badge {
    background: rgba(0, 217, 255, 0.05);
    border-color: rgba(0, 217, 255, 0.2);
    color: var(--c-cyan);
}

/* 操作按鈕 */
.tool-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: auto;
}

.btn-tool {
    padding: 10px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-detail {
    background: transparent;
    border: 1px solid var(--c-cyan);
    color: var(--c-cyan);
}

.btn-detail:hover {
    background: rgba(0, 217, 255, 0.1);
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.2);
    transform: translateY(-2px);
}

.btn-visit {
    background: linear-gradient(135deg, var(--c-cyan), var(--c-blue));
    border: none;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 217, 255, 0.3);
}

.btn-visit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 217, 255, 0.5);
    color: white;
}

.no-results {
    text-align: center;
    padding: 80px 0;
    grid-column: 1 / -1;
    display: none;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--card-border);
}

/* ===============================
        手機版篩選按鈕
   =============================== */

.mobile-filter-toggle {
    display: none;
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, var(--c-cyan), var(--c-blue));
    color: white;
    border: none;
    border-radius: 50px;
    padding: 15px 25px;
    font-size: 1rem;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(0, 217, 255, 0.4);
    cursor: pointer;
    z-index: 999;
    transition: all 0.3s ease;
    align-items: center;
    gap: 10px;
}

.mobile-filter-toggle:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 217, 255, 0.6);
}

.mobile-filter-toggle i {
    font-size: 1.1rem;
}

/* 當篩選器開啟時的遮罩 */
body.filter-open::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 998;
    backdrop-filter: blur(4px);
}

/* ===============================
        響應式設計
   =============================== */

/* 平板 (≤991px) */
@media (max-width: 991px) {
    .tool-layout {
        grid-template-columns: 240px 1fr;
        gap: 30px;
    }

    .filter-card {
        padding: 20px;
    }

    .tool-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 25px;
    }
}

/* 平板小尺寸 (≤768px) */
@media (max-width: 768px) {
    .tool-layout {
        grid-template-columns: 1fr;
        gap: 0;
    }

    /* 隱藏側邊欄，改為浮動面板 */
    aside {
        position: fixed;
        left: -100%;
        top: 0;
        bottom: 0;
        width: 280px;
        z-index: 1000;
        transition: left 0.3s ease;
        overflow-y: auto;
        padding: 20px;
        background: var(--bg-dark);
    }

    aside.mobile-active {
        left: 0;
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.5);
    }

    .filter-card {
        position: static;
        height: 100%;
        border-radius: 0;
        border-left: none;
        border-top: none;
        border-bottom: none;
    }

    /* 顯示手機版篩選按鈕 */
    .mobile-filter-toggle {
        display: flex;
    }

    .tool-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 20px;
    }

    .tool-card {
        padding: 20px;
    }

    .tittles h1 {
        font-size: 2rem;
    }

    .tittles p {
        font-size: 1rem;
    }
}

/* 手機 (≤600px) */
@media (max-width: 600px) {
    aside {
        width: 260px;
    }

    .tool-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .tool-card {
        padding: 20px;
    }

    .tool-actions {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .btn-tool {
        width: 100%;
    }

    .mobile-filter-toggle {
        bottom: 20px;
        right: 20px;
        padding: 12px 20px;
        font-size: 0.95rem;
    }

    .no-results {
        padding: 60px 20px;
    }
}

/* 手機小尺寸 (≤480px) */
@media (max-width: 480px) {
    .tittles {
        padding: 0 15px;
    }

    .tittles h1 {
        font-size: 1.75rem;
    }

    .tittles p {
        font-size: 0.95rem;
    }

    aside {
        width: 100%;
        left: -100%;
    }

    .filter-card {
        padding: 20px 15px;
    }

    .filter-title {
        font-size: 1rem;
    }

    .filter-btn {
        padding: 8px 12px;
        font-size: 0.9rem;
    }

    .filter-tags .filter-btn {
        padding: 5px 10px;
        font-size: 0.8rem;
    }

    .tool-card {
        padding: 18px;
    }

    .tool-logo-container {
        width: 60px;
        height: 60px;
        padding: 10px;
    }

    .tool-name {
        font-size: 1.1rem;
    }

    .tool-positioning {
        font-size: 0.9rem;
    }

    .pricing-badge {
        font-size: 0.7rem;
        padding: 5px 8px;
    }

    .tag-badge {
        font-size: 0.75rem;
        padding: 3px 8px;
    }

    .btn-tool {
        padding: 10px;
        font-size: 0.85rem;
    }

    .mobile-filter-toggle {
        bottom: 15px;
        right: 15px;
        padding: 10px 18px;
        font-size: 0.9rem;
    }

    .mobile-filter-toggle span {
        display: none;
    }

    .mobile-filter-toggle i {
        font-size: 1.2rem;
    }

    .no-results {
        padding: 50px 15px;
    }

    .no-results i {
        font-size: 2rem !important;
    }

    .no-results p {
        font-size: 0.95rem !important;
    }
}

/* 超小手機 (≤375px) */
@media (max-width: 375px) {
    .tool-layout {
        margin-top: 30px;
    }

    .tittles h1 {
        font-size: 1.5rem;
    }

    .tool-card {
        padding: 15px;
    }

    .tool-header {
        margin-bottom: 15px;
    }

    .tool-logo-container {
        width: 50px;
        height: 50px;
        padding: 8px;
    }

    .tool-name {
        font-size: 1rem;
        margin-bottom: 10px;
    }

    .tool-positioning {
        font-size: 0.85rem;
        margin-bottom: 15px;
    }

    .tool-tags {
        margin-bottom: 20px;
    }
}