/**
 * IPv4子网计算器 - 样式
 */

/* 输入区域 */
.input-section {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 16px;
}

.input-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 12px;
    display: block;
}

.input-row {
    display: flex;
    gap: 12px;
    align-items: center;
}

.input-field {
    flex: 1;
    height: 44px;
    padding: 0 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 15px;
    background: var(--color-bg);
    color: var(--color-text);
    transition: var(--transition);
}

.input-field:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.input-field::placeholder {
    color: var(--color-text-light);
}

.input-field.cidr-input {
    width: 80px;
    flex: none;
    text-align: center;
}

.input-separator {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text-light);
}

.input-hint {
    font-size: 12px;
    color: var(--color-text-light);
    margin-top: 8px;
}

/* CIDR 快速选择 */
.cidr-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px dashed var(--color-border-light);
}

.cidr-title {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: 10px;
}

.cidr-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.cidr-btn {
    min-width: 48px;
    height: 32px;
    padding: 0 10px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.cidr-btn:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.cidr-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* 私有IP地址段 */
.private-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px dashed var(--color-border-light);
}

.private-title {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: 10px;
}

.private-hint {
    font-size: 11px;
    color: var(--color-text-light);
    font-weight: 400;
}

.private-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 12px;
}

.private-item {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.private-item:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
}

.private-name {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 4px;
}

.private-range {
    font-size: 13px;
    font-family: var(--font-mono);
    color: var(--color-primary);
    margin-bottom: 4px;
}

.private-hosts {
    font-size: 11px;
    color: var(--color-text-light);
}

/* 示例标签 */
.input-examples {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.example-tag {
    padding: 6px 12px;
    background: var(--color-bg);
    border: 1px dashed var(--color-primary);
    border-radius: 4px;
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--color-primary);
    cursor: pointer;
    transition: var(--transition);
}

.example-tag:hover {
    background: var(--color-primary-light);
    border-style: solid;
}

/* 结果区域布局 */
.result-section {
    display: flex;
    gap: 20px;
    flex: 1;
}

.main-results {
    flex: 2;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.side-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* 快速信息网格 */
.quick-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.quick-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 16px;
    transition: var(--transition);
}

.quick-card.highlight {
    background: #e8f0fe;
    border-color: var(--color-primary);
}

.quick-label {
    font-size: 11px;
    color: var(--color-text-light);
    margin-bottom: 8px;
    text-transform: uppercase;
}

.quick-value {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--color-text);
    font-weight: 500;
}

.quick-card.highlight .quick-value {
    font-size: 16px;
    color: var(--color-primary);
}

/* 详细信息卡片 */
.detail-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
}

.detail-header {
    padding: 12px 16px;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border-light);
    font-size: 13px;
    font-weight: 500;
}

.detail-body {
    padding: 4px 0;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    border-bottom: 1px dashed var(--color-border-light);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-size: 13px;
    color: var(--color-text-light);
}

.detail-value {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--color-text);
}

.detail-value.copyable {
    cursor: pointer;
    transition: var(--transition);
}

.detail-value.copyable:hover {
    color: var(--color-primary);
}

.detail-value.copyable::after {
    content: '复制';
    margin-left: 8px;
    font-size: 11px;
    color: var(--color-primary);
    font-family: var(--font-sans);
}

/* 可视化卡片 */
.visual-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
}

.visual-header {
    padding: 12px 16px;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border-light);
    font-size: 13px;
    font-weight: 500;
}

.visual-body {
    padding: 16px;
}

/* 子网可视化 */
.subnet-visual {
    display: flex;
    margin-bottom: 12px;
}

.subnet-block {
    flex: 1;
    text-align: center;
    padding: 12px 8px;
    border: 1px solid var(--color-border);
    border-right: none;
}

.subnet-block:last-child {
    border-right: 1px solid var(--color-border);
}

.subnet-block.network {
    background: #e8f0fe;
    border-color: var(--color-primary);
}

.subnet-block.hosts {
    background: #e6f4ea;
    border-color: #34a853;
}

.subnet-block.broadcast {
    background: #fce8e6;
    border-color: #ea4335;
}

.block-label {
    font-size: 11px;
    color: var(--color-text-light);
    margin-bottom: 4px;
    display: block;
}

.block-value {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
}

/* 主机范围 */
.host-range {
    background: var(--color-bg-secondary);
    border-radius: 6px;
    padding: 12px;
    margin-top: 12px;
}

.host-range-label {
    font-size: 11px;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.host-range-values {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.host-ip {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--color-text);
}

.range-arrow {
    color: var(--color-text-light);
    font-size: 12px;
}

/* 二进制视图 */
.binary-view {
    background: var(--color-bg-secondary);
    border-radius: 6px;
    padding: 12px;
}

.binary-view-label {
    font-size: 11px;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.binary-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.binary-row:last-child {
    margin-bottom: 0;
}

.binary-label {
    font-size: 11px;
    color: var(--color-text-light);
    width: 60px;
    flex-shrink: 0;
}

.binary-value {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--color-text);
    word-break: break-all;
}

.binary-value .network-bits {
    color: var(--color-primary);
    font-weight: 600;
}

.binary-value .host-bits {
    color: #34a853;
}

.binary-value .separator {
    color: var(--color-text-light);
}

/* 响应式 */
@media (max-width: 1000px) {
    .result-section {
        flex-direction: column;
    }

    .side-panel {
        flex-direction: row;
    }

    .visual-card {
        flex: 1;
    }
}

@media (max-width: 700px) {
    .quick-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .private-grid {
        grid-template-columns: 1fr;
    }

    .side-panel {
        flex-direction: column;
    }

    .input-row {
        flex-wrap: wrap;
    }

    .input-field {
        flex: 1 1 calc(50% - 40px);
    }

    .input-field.cidr-input {
        width: 60px;
        flex: none;
    }

    .btn-primary {
        flex: 1 1 100%;
    }
}

@media (max-width: 500px) {
    .quick-info-grid {
        grid-template-columns: 1fr;
    }

    .subnet-visual {
        flex-direction: column;
    }

    .subnet-block {
        border-right: 1px solid var(--color-border);
        border-bottom: none;
    }

    .subnet-block:last-child {
        border-bottom: 1px solid var(--color-border);
    }
}