/* 元素周期表工具专用样式 */

/* 控制面板 */
.control-panel {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    gap: 15px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.view-controls {
    display: flex;
    gap: 10px;
}

.view-btn {
    padding: 10px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
    display: flex;
    align-items: center;
    gap: 6px;
}

.view-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(102, 126, 234, 0.4);
}

.view-btn.active {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    box-shadow: 0 4px 10px rgba(67, 233, 123, 0.3);
}

.filter-controls {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-select {
    padding: 10px 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    min-width: 180px;
    font-size: 14px;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-box {
    display: flex;
    gap: 5px;
}

.search-box input {
    padding: 10px 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    min-width: 250px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-box button {
    padding: 10px 20px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(240, 147, 251, 0.3);
    display: flex;
    align-items: center;
    gap: 6px;
}

.search-box button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(240, 147, 251, 0.4);
}

/* 周期表容器 */
.periodic-table-container {
    overflow-x: auto;
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
    border-radius: 12px;
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.05);
}

.periodic-table {
    display: grid;
    grid-template-columns: repeat(18, minmax(70px, 1fr));
    grid-template-rows: repeat(10, minmax(70px, auto));
    gap: 6px;
    width: max-content;
    margin: 0 auto;
    min-width: 100%;
}

/* 元素方块 */
.element {
    width: 70px;
    height: 70px;
    border: 2px solid #ddd;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.element:hover {
    transform: scale(1.1) translateY(-3px);
    z-index: 10;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    border-color: #667eea;
}

.element.active {
    border-color: #667eea;
    box-shadow: 0 0 15px rgba(102, 126, 234, 0.5);
    transform: scale(1.05);
}

.element-number {
    position: absolute;
    top: 3px;
    left: 5px;
    font-size: 10px;
    color: #666;
    font-weight: 600;
}

.element-symbol {
    font-size: 20px;
    font-weight: bold;
    margin-top: 8px;
    color: #333;
}

.element-name {
    font-size: 9px;
    text-align: center;
    margin-top: 3px;
    color: #555;
    font-weight: 500;
}

.element-weight {
    font-size: 8px;
    color: #888;
    margin-top: 2px;
}

/* 元素类别颜色 */
.element.alkali-metal {
    background-color: #ffcc80;
}

.element.alkaline-earth-metal {
    background-color: #ffecb3;
}

.element.transition-metal {
    background-color: #dcedc8;
}

.element.post-transition-metal {
    background-color: #b2dfdb;
}

.element.metalloid {
    background-color: #c5cae9;
}

.element.nonmetal {
    background-color: #b3e5fc;
}

.element.halogen {
    background-color: #e1bee7;
}

.element.noble-gas {
    background-color: #f8bbd0;
}

.element.lanthanide {
    background-color: #d7ccc8;
}

.element.actinide {
    background-color: #ffe0b2;
}

.element.unknown {
    background-color: #f5f5f5;
}

/* 紧凑视图 */
.periodic-table.compact .element {
    width: 40px;
    height: 40px;
}

.periodic-table.compact .element-number {
    font-size: 8px;
}

.periodic-table.compact .element-symbol {
    font-size: 14px;
}

.periodic-table.compact .element-name,
.periodic-table.compact .element-weight {
    display: none;
}

/* 元素详情 */
.element-details {
    display: none;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    overflow: hidden;
}

.element-details.active {
    display: block;
}

.details-header {
    display: flex;
    align-items: center;
    padding: 20px;
    background-color: #f9f9f9;
    border-bottom: 1px solid #eee;
    position: relative;
}

.element-symbol-large {
    width: 80px;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 40px;
    font-weight: bold;
    border-radius: 8px;
    margin-right: 20px;
}

.element-info h2 {
    margin: 0 0 10px 0;
    font-size: 24px;
}

.element-basic-info {
    display: flex;
    gap: 15px;
    color: #666;
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #666;
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: #333;
}

.details-content {
    padding: 20px;
}

.details-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    overflow-x: auto;
}

.tab-btn {
    padding: 8px 15px;
    background-color: #f0f0f0;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tab-btn:hover {
    background-color: #e0e0e0;
}

.tab-btn.active {
    background-color: #4CAF50;
    color: white;
    border-color: #4CAF50;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.properties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.property-item {
    background-color: #f9f9f9;
    border-radius: 4px;
    padding: 10px;
}

.property-label {
    font-size: 12px;
    color: #666;
    margin-bottom: 5px;
}

.property-value {
    font-size: 14px;
    font-weight: bold;
    color: #333;
}

.electron-configuration {
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 8px;
}

.electron-configuration h4 {
    margin-top: 0;
    margin-bottom: 10px;
    color: #333;
}

.electron-configuration p {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 16px;
}

.electron-shells {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin: 20px 0;
}

.shell {
    position: relative;
    border: 1px solid #ddd;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.shell-label {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    color: #666;
}

.electron {
    width: 10px;
    height: 10px;
    background-color: #4CAF50;
    border-radius: 50%;
    position: absolute;
}

.element-history {
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 8px;
}

.element-history h4 {
    margin-top: 0;
    margin-bottom: 10px;
    color: #333;
}

.element-history p {
    margin-top: 0;
    margin-bottom: 20px;
    line-height: 1.5;
}

.discovery-info {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.discovery-item {
    background-color: #fff;
    border-radius: 4px;
    padding: 10px;
    border: 1px solid #eee;
}

.discovery-label {
    font-size: 12px;
    color: #666;
    margin-bottom: 5px;
}

.discovery-value {
    font-size: 14px;
    font-weight: bold;
    color: #333;
}

/* 图例 */
.legend-section {
    margin-bottom: 40px;
    padding: 25px;
    background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.section-title {
    font-size: 1.5em;
    margin-bottom: 20px;
    color: #333;
    font-weight: 700;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.legend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    background: white;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.legend-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.legend-color {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    border: 2px solid #ddd;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.legend-text {
    font-size: 14px;
    font-weight: 600;
    color: #333;
}

/* 图例颜色 */
.legend-item.alkali-metal .legend-color {
    background-color: #ffcc80;
}

.legend-item.alkaline-earth-metal .legend-color {
    background-color: #ffecb3;
}

.legend-item.transition-metal .legend-color {
    background-color: #dcedc8;
}

.legend-item.post-transition-metal .legend-color {
    background-color: #b2dfdb;
}

.legend-item.metalloid .legend-color {
    background-color: #c5cae9;
}

.legend-item.nonmetal .legend-color {
    background-color: #b3e5fc;
}

.legend-item.halogen .legend-color {
    background-color: #e1bee7;
}

.legend-item.noble-gas .legend-color {
    background-color: #f8bbd0;
}

.legend-item.lanthanide .legend-color {
    background-color: #d7ccc8;
}

.legend-item.actinide .legend-color {
    background-color: #ffe0b2;
}

.legend-item.unknown .legend-color {
    background-color: #f5f5f5;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .control-panel {
        flex-direction: column;
        align-items: stretch;
        padding: 15px;
    }

    .view-controls {
        justify-content: center;
    }

    .filter-controls {
        flex-direction: column;
    }

    .search-box {
        width: 100%;
    }

    .search-box input {
        flex: 1;
        min-width: auto;
    }

    .properties-grid,
    .discovery-info {
        grid-template-columns: 1fr;
    }

    .details-header {
        flex-direction: column;
        text-align: center;
    }

    .element-symbol-large {
        margin-right: 0;
        margin-bottom: 15px;
    }

    .close-btn {
        top: 10px;
        right: 10px;
    }

    .legend-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}