/* SG飞艇舵面效率计算系统 样式表 */

/* 基础样式 */
:root {
    --primary-color: #3a7ca5;
    --primary-dark: #2c5d7c;
    --primary-light: #81c4e9;
    --secondary-color: #63a375;
    --accent-color: #f39237;
    --dark-color: #2f4858;
    --light-color: #f7f9fb;
    --warning-color: #e63946;
    --success-color: #2a9d8f;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background-color: #f0f5f9;
    color: #333;
    line-height: 1.6;
}

/* 导航栏样式 */
.navbar {
    background-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 12px 0;
}

.navbar-brand {
    color: white;
    font-weight: bold;
    font-size: 1.4rem;
}

.navbar-brand i {
    margin-right: 8px;
    color: #b3e0ff;
}

.navbar .nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 4px;
    transition: var(--transition);
}

.navbar .nav-link:hover, 
.navbar .nav-link.active {
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
}

.navbar-toggler {
    border: none;
    padding: 8px;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* 主内容区样式 */
main {
    padding: 30px 0;
}

/* 计算器面板样式 */
.calculator-panel {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
    overflow: hidden;
}

.calculator-header {
    background-color: var(--primary-color);
    color: white;
    padding: 20px 25px;
    border-top-left-radius: var(--border-radius);
    border-top-right-radius: var(--border-radius);
}

.calculator-header h1 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.calculator-header p {
    margin-bottom: 0;
    opacity: 0.9;
}

.calculator-header i {
    margin-right: 10px;
}

.calculator-body {
    padding: 25px;
}

/* 参数区域样式 */
.parameter-section {
    border: 1px solid #e0e6ed;
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 25px;
    background-color: #fbfcfd;
}

.parameter-section h2 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--dark-color);
    padding-bottom: 10px;
    border-bottom: 1px solid #e0e6ed;
}

.parameter-section h2 i {
    margin-right: 8px;
    color: var(--primary-color);
}

.parameter-section h3 {
    font-size: 1.2rem;
    margin-top: 15px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

/* 表单样式 */
.form-label {
    font-weight: 500;
    color: var(--dark-color);
    margin-bottom: 6px;
}

.form-control, .form-select {
    border: 1px solid #cfd8e2;
    padding: 10px 12px;
    border-radius: 6px;
    height: auto;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(58, 124, 165, 0.15);
}

.form-text {
    color: #6c757d;
    font-size: 0.85rem;
    margin-top: 5px;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* 计算按钮区域 */
.calculation-actions {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e0e6ed;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 10px 24px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-outline-secondary {
    color: var(--dark-color);
    border-color: #cfd8e2;
    background-color: white;
    margin-left: 10px;
}

.btn-outline-secondary:hover {
    background-color: #f0f5f9;
    color: var(--dark-color);
    border-color: #b8c3cf;
}

.btn i {
    margin-right: 8px;
}

/* 结果面板样式 - 优化版 */
.results-panel {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 25px;
    overflow: hidden;
    position: sticky;
    top: 20px;
    transition: var(--transition);
}

.results-header {
    background: linear-gradient(to right, var(--secondary-color), #4d9063);
    color: white;
    padding: 20px;
    position: relative;
}

.results-header h2 {
    font-size: 1.4rem;
    margin-bottom: 5px;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.results-header h2 i {
    margin-right: 10px;
    font-size: 1.2em;
}

.results-header p {
    margin-bottom: 0;
    font-size: 0.95rem;
    opacity: 0.9;
}

.results-body {
    padding: 22px;
}

.results-placeholder {
    text-align: center;
    color: #a0aec0;
    padding: 40px 15px;
    transition: var(--transition);
}

.results-placeholder i {
    font-size: 3.5rem;
    margin-bottom: 18px;
    opacity: 0.5;
    animation: pulse 2s infinite;
}

.results-placeholder p {
    font-size: 1.1rem;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

/* 结果项目样式 - 优化版 */
.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px dashed #e0e6ed;
    transition: background-color 0.2s ease;
}

.result-item:last-child {
    border-bottom: none;
}

.result-item:hover {
    background-color: rgba(240, 245, 249, 0.6);
}

.result-label {
    font-weight: 500;
    color: var(--dark-color);
    padding-left: 4px;
}

.result-value {
    font-weight: 600;
    color: var(--primary-color);
    text-align: right;
    background-color: rgba(129, 196, 233, 0.12);
    padding: 5px 10px;
    border-radius: 4px;
    min-width: 90px;
    transition: var(--transition);
}

.result-value:hover {
    background-color: rgba(129, 196, 233, 0.25);
    transform: translateX(-3px);
}

.efficiency-chart-container {
    margin-top: 24px;
    padding: 15px;
    background-color: #f8fafc;
    border-radius: var(--border-radius);
    height: 280px;
    border: 1px solid rgba(58, 124, 165, 0.15);
    transition: var(--transition);
}

.efficiency-chart-container:hover {
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.08);
}

/* 优化结果样式 */
.optimization-results {
    padding: 8px 5px;
}

.optimization-results h3 {
    font-size: 1.15rem;
    color: white;
    margin: 25px 0 15px 0;
    padding: 8px 12px;
    border-radius: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--primary-light));
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
}

.optimization-results h3:before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 20px;
    background-color: white;
    margin-right: 10px;
    border-radius: 2px;
}

.optimization-results h3:first-child {
    margin-top: 10px;
}

/* 参考数据面板样式 */
.reference-panel {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.reference-header {
    background-color: var(--accent-color);
    color: white;
    padding: 15px 20px;
}

.reference-header h2 {
    font-size: 1.25rem;
    margin-bottom: 0;
    font-weight: 600;
}

.reference-body {
    padding: 15px;
}

.accordion-item {
    border: 1px solid #e0e6ed;
    margin-bottom: 8px;
}

.accordion-button {
    padding: 12px 16px;
    font-weight: 500;
    color: var(--dark-color);
    background-color: #f8fafc;
}

.accordion-button:not(.collapsed) {
    color: var(--primary-color);
    background-color: rgba(58, 124, 165, 0.05);
}

.accordion-button:focus {
    box-shadow: none;
    border-color: rgba(58, 124, 165, 0.1);
}

.reference-list {
    padding-left: 20px;
    margin-bottom: 0;
}

.reference-list li {
    margin-bottom: 8px;
}

.reference-list li:last-child {
    margin-bottom: 0;
}

/* 页脚样式 */
.footer {
    background-color: var(--dark-color);
    color: rgba(255, 255, 255, 0.8);
    padding: 25px 0;
    margin-top: 40px;
}

.footer-content {
    text-align: center;
}

.copyright {
    margin-top: 10px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-description {
    max-width: 800px;
    margin: 0 auto;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .calculator-header h1 {
        font-size: 1.6rem;
    }
    
    .parameter-section h2 {
        font-size: 1.3rem;
    }
    
    .reference-panel {
        margin-top: 25px;
    }
    
    .results-panel {
        position: static;
    }
}

@media (max-width: 768px) {
    .calculator-header h1 {
        font-size: 1.4rem;
    }
    
    .parameter-section {
        padding: 15px;
    }
    
    .calculator-body {
        padding: 20px 15px;
    }
}

/* 特殊组件样式 */
#verticalRudderSection, #horizontalRudderSection {
    background-color: rgba(58, 124, 165, 0.05);
    padding: 15px;
    border-radius: var(--border-radius);
    margin-top: 15px;
    margin-bottom: 15px;
    border: 1px solid rgba(58, 124, 165, 0.15);
}

#verticalRudderSection h3, #horizontalRudderSection h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(58, 124, 165, 0.15);
}