/* --- 全局与字体设置 --- */
:root {
    --primary-color: #FF6F00; /* 主色调 - 亮橘色 */
    --primary-color-light: #FFF3E0; /* 浅橘色 */
    --primary-color-dark: #E65100; /* 深橘色 */
    --text-primary: #212121; /* 主要文字 - 深灰 */
    --text-secondary: #555555; /* 次要文字 - 中灰 */
    --bg-color: #F8F9FA; /* 背景色 - 极浅灰 */
    --panel-bg-color: #FFFFFF; /* 面板背景 - 白色 */
    --border-color: #E0E0E0; /* 边框颜色 */
    --success-color: #2E7D32; /* 成功/买入 - 绿色 */
    --danger-color: #C62828; /* 危险/卖出 - 红色 */
    --font-primary: 'Poppins', 'Microsoft YaHei', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
    --shadow-light: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-color);
    color: var(--text-secondary);
    height: 100vh;
    width: 100vw;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- 主容器与布局 --- */
.container {
    width: 95%;
    height: 95%;
    max-width: 1800px;
    max-height: 1000px;
    background: var(--panel-bg-color);
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* --- 头部 --- */
header {
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.title-container h1 {
    font-size: 1.8em;
    color: var(--text-primary);
    font-weight: 700;
}

.title-container p {
    font-size: 0.9em;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.live-clock {
    font-family: var(--font-mono);
    font-size: 1.6em;
    color: var(--primary-color);
    font-weight: 500;
    background-color: var(--primary-color-light);
    padding: 8px 16px;
    border-radius: 10px;
}

/* --- 主内容区 --- */
.main-content {
    display: grid;
    grid-template-columns: 1fr 2.8fr;
    gap: 25px;
    padding: 25px;
    flex-grow: 1;
    overflow: hidden;
}

/* --- 左侧面板 --- */
.left-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
    overflow-y: auto;
    padding-right: 15px;
}

.info-card {
    background: var(--panel-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}
.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color-light);
}
.card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}
.card-header .icon {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}
.info-card h3 {
    color: var(--text-primary);
    font-size: 1.1em;
    font-weight: 600;
}
.info-card p { font-size: 0.9em; line-height: 1.8; }
.math-formula { 
    background-color: #f0f0f0; 
    padding: 10px; 
    border-radius: 8px; 
    border-left: 4px solid var(--primary-color); 
    margin: 15px 0; 
    font-family: var(--font-mono);
    font-weight: 500;
    color: var(--text-primary); 
}
.typing-text::after {
    content: '▋';
    opacity: 1;
    animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.z-score-rules { list-style: none; margin-top: 10px; }
.z-score-rules li { font-size: 0.9em; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.rule-tag { font-size: 0.8em; padding: 2px 8px; border-radius: 5px; color: white; font-weight: 600; }
.rule-tag.sell { background-color: var(--danger-color); }
.rule-tag.buy { background-color: var(--success-color); }

.control-panel .setting { margin-bottom: 15px; }
.control-panel label { display: block; margin-bottom: 8px; font-size: 0.9em; font-weight: 500; color: var(--text-primary); }
.control-panel select {
    width: 100%;
    background: var(--bg-color);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: border-color 0.2s;
}
.control-panel select:hover { border-color: var(--primary-color); }

.segmented-control {
    display: flex;
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}
.sg-btn {
    flex: 1;
    padding: 10px;
    background: var(--bg-color);
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 0.9em;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}
.sg-btn:not(:last-child) {
    border-right: 1px solid var(--border-color);
}
.sg-btn.active {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
}
.sg-btn:hover:not(.active) {
    background-color: #e9e9e9;
}

.calculate-btn { 
    width: 100%; 
    padding: 12px; 
    font-family: var(--font-primary); 
    font-size: 1.1em; 
    font-weight: 600;
    background: var(--primary-color); 
    color: white; 
    border: none; 
    border-radius: 8px; 
    cursor: pointer; 
    transition: all 0.3s ease; 
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.calculate-btn:hover:not(:disabled) { background: var(--primary-color-dark); transform: translateY(-2px); box-shadow: 0 4px 15px rgba(255, 111, 0, 0.3); }
.calculate-btn:disabled { background: #BDBDBD; color: #757575; cursor: not-allowed; }
.calculate-btn svg { width: 20px; height: 20px; }
.calculate-btn .loader { width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.5); border-top-color: white; border-radius: 50%; display: inline-block; animation: spin 1s linear infinite; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Progress Bar Styles --- */
.progress-container {
    padding: 20px;
    background-color: var(--bg-color);
    border-radius: 12px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}
.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.progress-container h4 {
    font-size: 1.1em;
    color: var(--text-primary);
    margin: 0;
    font-weight: 600;
}
#progress-percentage {
    font-family: var(--font-mono);
    font-weight: 500;
    color: var(--primary-color);
    font-size: 1.1em;
}
.progress-bar-wrapper {
    width: 100%;
    height: 8px;
    background-color: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}
#progress-bar {
    width: 0%;
    height: 100%;
    background: var(--primary-color);
    border-radius: 4px;
    transition: width 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}
#progress-message {
    font-size: 0.9em;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    text-align: center;
    padding-top: 5px;
}

/* --- 右侧面板 --- */
.right-panel { display: flex; flex-direction: column; overflow: hidden; }
.table-container { flex-grow: 1; overflow-y: auto; }
/* Custom scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f1f1f1; border-radius: 10px; }
::-webkit-scrollbar-thumb { background: #ccc; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #aaa; }

table { width: 100%; border-collapse: collapse; }
thead th { 
    position: sticky; 
    top: 0; 
    background: var(--panel-bg-color); 
    color: var(--text-secondary); 
    padding: 16px 12px; 
    text-align: left; 
    font-size: 0.9em; 
    font-weight: 600;
    border-bottom: 2px solid var(--border-color); 
    z-index: 10; 
}
tbody tr { 
    border-bottom: 1px solid var(--border-color); 
    transition: background-color 0.3s ease, transform 0.3s ease; 
    opacity: 0; 
    transform: translateY(20px); 
    animation: slideInRow 0.5s forwards; 
}
@keyframes slideInRow { to { opacity: 1; transform: translateY(0); } }
tbody tr:hover { background-color: var(--primary-color-light); cursor: pointer; }
tbody td { padding: 14px 12px; vertical-align: middle; font-size: 0.95em; }
.pair-name { font-weight: 600; color: var(--text-primary); }
.pair-code { font-size: 0.85em; color: var(--text-secondary); font-family: var(--font-mono); }
.spread-positive { color: var(--danger-color); }
.spread-negative { color: var(--success-color); }
.z-score { font-weight: 600; font-family: var(--font-mono); }
.action-buy { color: var(--success-color); }
.action-sell { color: var(--danger-color); }
.status { padding: 5px 12px; border-radius: 15px; text-align: center; font-size: 0.8em; font-weight: 600; display: inline-block; }
.status-go { background-color: var(--primary-color-light); color: var(--primary-color-dark); }
.status-watch { background-color: #FFF9C4; color: #F57F17; }
.status-revert { background-color: #ECEFF1; color: #546E7A; }

.score-wrapper {
    position: relative;
    display: inline-block;
    vertical-align: middle;
    width: 80px;
    text-align: center;
}

.quality-score-cell {
    font-family: var(--font-mono);
    font-weight: 600;
    text-align: center;
}

.score-bar-bg {
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 18px;
    background-color: var(--bg-color);
    border-radius: 4px;
    z-index: 1;
}
.score-bar {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}
.score-text {
    position: relative;
    z-index: 2;
    color: var(--text-primary);
    text-shadow: 0 0 3px white;
}

/* --- 模态框 (Modal) --- */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.4); backdrop-filter: blur(5px); display: flex; justify-content: center; align-items: center; z-index: 1000; opacity: 0; visibility: hidden; transition: all 0.3s ease; }
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-content { background: var(--panel-bg-color); border-radius: 16px; box-shadow: var(--shadow-medium); width: 90%; max-width: 800px; transform: scale(0.95) translateY(20px); transition: transform 0.3s ease; display: flex; flex-direction: column; max-height: 90vh; }
.modal-overlay.active .modal-content { transform: scale(1) translateY(0); }
.modal-header { padding: 20px 25px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
.modal-header h2 { color: var(--text-primary); font-size: 1.4em; font-weight: 600; }
.modal-close-btn { background: none; border: none; color: var(--text-secondary); cursor: pointer; transition: color 0.2s, transform 0.2s; padding: 5px; }
.modal-close-btn:hover { color: var(--danger-color); transform: rotate(90deg); }
.modal-close-btn svg { width: 24px; height: 24px; }
.modal-body { padding: 25px; overflow-y: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 25px; }
.chart-container { grid-column: 1 / -1; }
.chart-container h4, .details-container h4, .order-container h4 { color: var(--text-primary); margin-bottom: 15px; font-size: 1em; font-weight: 600; }
#spread-chart { width: 100%; height: 150px; background: var(--bg-color); border-radius: 8px; }
.details-list { list-style: none; }
.details-list li { display: flex; justify-content: space-between; padding: 10px 5px; border-bottom: 1px solid #f0f0f0; font-size: 0.9em; }
.details-list li span:first-child { color: var(--text-secondary); }
.details-list li span:last-child { font-weight: 600; color: var(--text-primary); }
.order-summary { background: var(--bg-color); padding: 15px; border-radius: 8px; }
.order-summary p { margin-bottom: 10px; font-size: 0.9em; }
.modal-footer { padding: 15px 25px; border-top: 1px solid var(--border-color); text-align: right; }
.execute-btn-modal { padding: 10px 20px; font-family: var(--font-primary); font-size: 1em; font-weight: 600; background: var(--primary-color); color: white; border: none; border-radius: 8px; cursor: pointer; transition: all 0.3s ease; }
.execute-btn-modal:hover:not(:disabled) { background: var(--primary-color-dark); transform: translateY(-2px); box-shadow: 0 4px 15px rgba(255, 111, 0, 0.3); }
.execute-btn-modal:disabled { background: #BDBDBD; cursor: not-allowed; }

.quality-assessment-container, .backtest-container, .final-analysis-container {
    grid-column: 1 / -1;
    margin-top: 15px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

#backtest-chart {
    width: 100%;
    height: 150px;
    background: var(--bg-color);
    border-radius: 8px;
    margin-bottom: 15px;
}

#backtest-metrics li span:last-child {
    font-family: var(--font-mono);
}

/* --- Toast Notification --- */
.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--text-primary);
    color: white;
    padding: 12px 25px;
    border-radius: 8px;
    box-shadow: var(--shadow-medium);
    font-size: 0.9em;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: transform 0.4s ease, opacity 0.4s ease;
}
.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

/* --- 响应式设计 --- */
@media (max-width: 1200px) {
    .main-content { grid-template-columns: 1fr 2fr; }
    .title-container h1 { font-size: 1.6em; }
    .live-clock { font-size: 1.4em; }
}
@media (max-width: 992px) {
    .main-content { grid-template-columns: 1fr; height: calc(100% - 80px); }
    .left-panel { padding-right: 0; }
    .right-panel { min-height: 300px; }
    .modal-body { 
        grid-template-areas: "chart" "details" "order" "quality" "analysis" "backtest";
        grid-template-columns: 1fr; 
    }
    .hide-on-mobile {
        display: none;
    }
}
@media (max-width: 768px) {
    body { -webkit-text-size-adjust: 100%; }
    .container { width: 100%; height: 100%; border-radius: 0; }
    header { padding: 15px; flex-direction: column; align-items: flex-start; gap: 10px; }
    .title-container h1 { font-size: 1.4em; }
    .live-clock { position: absolute; top: 18px; right: 15px; font-size: 1em; padding: 6px 10px; }
    .main-content { padding: 15px; gap: 15px; }
    .calculate-btn { padding: 12px; font-size: 1em; }
    .modal-content { width: 95%; max-height: 95vh; }
    .modal-header h2 { font-size: 1.2em; }
    .modal-body { padding: 15px; }

    /* --- 响应式主表格 --- */
    .table-container {
        border-top: none;
    }
    .table-container thead {
        display: none;
    }
    .table-container tr {
        display: block;
        border: 1px solid var(--border-color);
        border-radius: 12px;
        margin-bottom: 15px;
        padding: 15px;
        background: var(--panel-bg-color);
        box-shadow: var(--shadow-light);
    }
    .table-container td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 10px 0;
        border-bottom: 1px dashed #f0f0f0;
        font-size: 0.95em;
        position: relative;
    }
    .table-container tr:hover {
        transform: translateY(-3px);
        background-color: var(--panel-bg-color);
        box-shadow: var(--shadow-medium);
    }
    .table-container td:last-child {
        border-bottom: none;
    }
    .table-container td::before {
        content: attr(data-label);
        font-weight: 500;
        color: var(--text-secondary);
        text-align: left;
        padding-right: 10px;
    }
    /* 第一行作为卡片标题 */
    .table-container td:first-child {
        display: block;
        text-align: left;
        padding: 0 0 12px 0;
        margin-bottom: 10px;
        border-bottom: 1px solid var(--border-color);
    }
    .table-container td:first-child::before {
        display: none;
    }
    .pair-name { font-size: 1.1em; }
    .status { padding: 5px 12px; font-size: 0.85em;}
    
    /* --- 响应式模态框内嵌表格 --- */
    .table-container-modal {
        border: none;
    }
    .table-container-modal thead {
        display: none;
    }
    .table-container-modal tr {
        display: block;
        border-bottom: 1px solid var(--border-color);
        padding: 10px 5px;
    }
     .table-container-modal tr:last-child {
        border-bottom: none;
    }
    .table-container-modal td {
        display: flex;
        justify-content: space-between;
        padding: 6px 0;
        font-size: 0.9em;
        text-align: right;
    }
    .table-container-modal td::before {
        content: attr(data-label);
        font-weight: 500;
        color: var(--text-secondary);
        text-align: left;
    }
    .action-recommendation-box .action-item {
        grid-template-columns: 1fr;
        gap: 8px;
        text-align: center;
    }
    .action-recommendation-box .action-type { margin: 0 auto 5px; }
    .action-recommendation-box .position-info { text-align: center; }
    .quality-score-cell {
        text-align: right;
    }
    .score-wrapper {
        width: 60px;
    }
    .score-bar-bg {
        height: 16px;
    }
}

/* 调整弹窗布局以适应新内容 */
.modal-body {
    grid-template-areas:
        "chart chart"
        "details order"
        "quality quality"
        "analysis analysis"
        "backtest backtest";
    grid-template-columns: 1fr 1fr;
}
.chart-container { grid-area: chart; }
.details-container { grid-area: details; }
.order-container { grid-area: order; }
.quality-assessment-container { grid-area: quality; }
.final-analysis-container { grid-area: analysis; }
.backtest-container { grid-area: backtest; }

@media (max-width: 992px) {
    .modal-body {
        grid-template-areas:
            "chart"
            "details"
            "order"
            "quality"
            "analysis"
            "backtest";
        grid-template-columns: 1fr;
    }
}

.quality-assessment-container .details-list li {
    padding-left: 25px;
    justify-content: flex-start;
}

.backtest-settings {
    background-color: var(--bg-color);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}
.backtest-settings .setting {
    display: flex;
    align-items: center;
}
.backtest-settings label {
    font-weight: 500;
    margin-right: 10px;
}
.backtest-settings input[type="number"] {
    width: 80px;
    padding: 8px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 1em;
}
#backtest-period {
    font-size: 0.9em;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    margin-bottom: 10px;
}
#backtest-results h5 {
    font-size: 1em;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 20px;
    margin-bottom: 10px;
}
.table-container-modal {
    max-height: 250px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}
.table-container-modal table {
    width: 100%;
}
.table-container-modal th {
    background-color: var(--bg-color);
}
.table-container-modal td {
    font-size: 0.9em;
}

.modal-footer { padding: 15px 25px; border-top: 1px solid var(--border-color); text-align: right; }
.execute-btn-modal { padding: 10px 20px; font-family: var(--font-primary); font-size: 1em; font-weight: 600; background: var(--primary-color); color: white; border: none; border-radius: 8px; cursor: pointer; transition: all 0.3s ease; }

.table-controls {
    padding: 0 10px 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.table-controls span {
    font-size: 0.9em;
    font-weight: 500;
}
.sort-btn {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85em;
    transition: all 0.2s ease;
}
.sort-btn:hover {
    background-color: var(--primary-color-light);
    border-color: var(--primary-color);
}
.sort-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color-dark);
    font-weight: 600;
}

.action-recommendation-box {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 15px;
    border-radius: 8px;
}

.action-recommendation-box .action-header {
    font-size: 0.85em;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px dashed var(--border-color);
}
.action-recommendation-box .action-header span {
    display: block;
    line-height: 1.5;
}

.action-recommendation-box .action-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
}
.action-recommendation-box .action-item:last-child {
    margin-bottom: 0;
}

.action-recommendation-box .action-type {
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 5px;
    color: white;
    font-size: 0.9em;
}

.action-recommendation-box .action-type.long {
    background-color: var(--success-color);
}

.action-recommendation-box .action-type.short {
    background-color: var(--danger-color);
}

.action-recommendation-box .stock-info {
    line-height: 1.4;
}

.action-recommendation-box .stock-name {
    font-weight: 600;
    color: var(--text-primary);
    display: block;
    font-size: 1.05em;
}

.action-recommendation-box .position-info {
    text-align: right;
    line-height: 1.4;
}

.action-recommendation-box .position-info .shares {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1.1em;
    display: block;
    color: var(--text-primary);
}
.action-recommendation-box .position-info .amount {
    font-size: 0.9em;
    color: var(--text-secondary);
}

.action-recommendation-box .stock-price {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--primary-color-dark);
}

.table-container-modal .action-buy { color: var(--success-color); font-weight: 600; }
.table-container-modal .action-sell { color: var(--danger-color); font-weight: 600; }

.verdict-box {
    background-color: var(--primary-color-light);
    border-left: 4px solid var(--primary-color-dark);
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.verdict-box strong {
    font-size: 1.1em;
    color: var(--primary-color-dark);
    font-weight: 700;
    line-height: 1.6;
}