feat: complete trading system with FastAPI backend, web frontend, and auto-analysis

frontend/style.css

@@ -0,0 +1,608 @@
+/* Stock Buddy 样式 */
+
+:root {
+    --primary: #3b82f6;
+    --primary-dark: #2563eb;
+    --secondary: #64748b;
+    --success: #22c55e;
+    --danger: #ef4444;
+    --warning: #f59e0b;
+    --bg-primary: #0f172a;
+    --bg-secondary: #1e293b;
+    --bg-tertiary: #334155;
+    --text-primary: #f8fafc;
+    --text-secondary: #94a3b8;
+    --border: #334155;
+    --radius: 8px;
+    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
+}
+
+* {
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+}
+
+body {
+    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
+    background: var(--bg-primary);
+    color: var(--text-primary);
+    line-height: 1.6;
+}
+
+#app {
+    display: flex;
+    min-height: 100vh;
+}
+
+/* 侧边栏 */
+.sidebar {
+    width: 240px;
+    background: var(--bg-secondary);
+    border-right: 1px solid var(--border);
+    display: flex;
+    flex-direction: column;
+    position: fixed;
+    height: 100vh;
+}
+
+.logo {
+    padding: 24px 20px;
+    display: flex;
+    align-items: center;
+    gap: 12px;
+    border-bottom: 1px solid var(--border);
+}
+
+.logo-icon {
+    font-size: 24px;
+}
+
+.logo-text {
+    font-size: 20px;
+    font-weight: 700;
+    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
+    -webkit-background-clip: text;
+    -webkit-text-fill-color: transparent;
+}
+
+.nav-menu {
+    flex: 1;
+    padding: 16px 12px;
+}
+
+.nav-item {
+    display: flex;
+    align-items: center;
+    gap: 12px;
+    padding: 12px 16px;
+    border-radius: var(--radius);
+    color: var(--text-secondary);
+    text-decoration: none;
+    margin-bottom: 4px;
+    transition: all 0.2s;
+}
+
+.nav-item:hover {
+    background: var(--bg-tertiary);
+    color: var(--text-primary);
+}
+
+.nav-item.active {
+    background: rgba(59, 130, 246, 0.15);
+    color: var(--primary);
+}
+
+.nav-icon {
+    font-size: 18px;
+}
+
+.sidebar-footer {
+    padding: 16px;
+    border-top: 1px solid var(--border);
+}
+
+.market-status {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    font-size: 13px;
+    color: var(--text-secondary);
+}
+
+.status-dot {
+    width: 8px;
+    height: 8px;
+    border-radius: 50%;
+}
+
+.status-dot.green {
+    background: var(--success);
+    box-shadow: 0 0 8px var(--success);
+}
+
+/* 主内容区 */
+.main-content {
+    flex: 1;
+    margin-left: 240px;
+    display: flex;
+    flex-direction: column;
+}
+
+.header {
+    height: 64px;
+    padding: 0 32px;
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    border-bottom: 1px solid var(--border);
+    background: var(--bg-secondary);
+}
+
+.header h1 {
+    font-size: 24px;
+    font-weight: 600;
+}
+
+.header-actions {
+    display: flex;
+    gap: 12px;
+}
+
+.content {
+    flex: 1;
+    padding: 32px;
+    overflow-y: auto;
+}
+
+/* 页面切换 */
+.page {
+    display: none;
+}
+
+.page.active {
+    display: block;
+}
+
+/* 按钮 */
+.btn {
+    display: inline-flex;
+    align-items: center;
+    gap: 8px;
+    padding: 10px 20px;
+    border-radius: var(--radius);
+    border: none;
+    font-size: 14px;
+    font-weight: 500;
+    cursor: pointer;
+    transition: all 0.2s;
+}
+
+.btn-primary {
+    background: var(--primary);
+    color: white;
+}
+
+.btn-primary:hover {
+    background: var(--primary-dark);
+}
+
+.btn-secondary {
+    background: var(--bg-tertiary);
+    color: var(--text-primary);
+}
+
+.btn-secondary:hover {
+    background: var(--border);
+}
+
+.btn-danger {
+    background: var(--danger);
+    color: white;
+}
+
+/* 统计卡片 */
+.stats-grid {
+    display: grid;
+    grid-template-columns: repeat(4, 1fr);
+    gap: 24px;
+    margin-bottom: 32px;
+}
+
+.stat-card {
+    background: var(--bg-secondary);
+    padding: 24px;
+    border-radius: var(--radius);
+    border: 1px solid var(--border);
+}
+
+.stat-label {
+    font-size: 14px;
+    color: var(--text-secondary);
+    margin-bottom: 8px;
+}
+
+.stat-value {
+    font-size: 32px;
+    font-weight: 700;
+    margin-bottom: 8px;
+}
+
+.stat-value.buy {
+    color: var(--success);
+}
+
+.stat-value.sell {
+    color: var(--danger);
+}
+
+.stat-change {
+    font-size: 14px;
+    font-weight: 500;
+}
+
+.stat-change.positive {
+    color: var(--success);
+}
+
+.stat-change.negative {
+    color: var(--danger);
+}
+
+.stat-label-small {
+    font-size: 13px;
+    color: var(--text-secondary);
+}
+
+/* 表格 */
+.section {
+    background: var(--bg-secondary);
+    border-radius: var(--radius);
+    border: 1px solid var(--border);
+    margin-bottom: 24px;
+}
+
+.section-title {
+    padding: 20px 24px;
+    font-size: 18px;
+    font-weight: 600;
+    border-bottom: 1px solid var(--border);
+}
+
+.section-header {
+    padding: 20px 24px;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    border-bottom: 1px solid var(--border);
+}
+
+.table-container {
+    overflow-x: auto;
+}
+
+.data-table {
+    width: 100%;
+    border-collapse: collapse;
+}
+
+.data-table th,
+.data-table td {
+    padding: 16px 24px;
+    text-align: left;
+    border-bottom: 1px solid var(--border);
+}
+
+.data-table th {
+    font-size: 12px;
+    font-weight: 600;
+    color: var(--text-secondary);
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+}
+
+.data-table tbody tr:hover {
+    background: rgba(255, 255, 255, 0.03);
+}
+
+.data-table .positive {
+    color: var(--success);
+}
+
+.data-table .negative {
+    color: var(--danger);
+}
+
+.data-table .loading {
+    text-align: center;
+    color: var(--text-secondary);
+    padding: 40px;
+}
+
+/* 信号标签 */
+.signal-tag {
+    display: inline-flex;
+    align-items: center;
+    padding: 4px 12px;
+    border-radius: 20px;
+    font-size: 12px;
+    font-weight: 600;
+}
+
+.signal-tag.buy {
+    background: rgba(34, 197, 94, 0.15);
+    color: var(--success);
+}
+
+.signal-tag.sell {
+    background: rgba(239, 68, 68, 0.15);
+    color: var(--danger);
+}
+
+.signal-tag.hold {
+    background: rgba(148, 163, 184, 0.15);
+    color: var(--text-secondary);
+}
+
+/* 搜索框 */
+.search-box {
+    display: flex;
+    gap: 12px;
+    padding: 24px;
+    border-bottom: 1px solid var(--border);
+}
+
+.search-box input {
+    flex: 1;
+    padding: 12px 16px;
+    background: var(--bg-primary);
+    border: 1px solid var(--border);
+    border-radius: var(--radius);
+    color: var(--text-primary);
+    font-size: 14px;
+}
+
+.search-box input:focus {
+    outline: none;
+    border-color: var(--primary);
+}
+
+/* 分析结果 */
+.analysis-result {
+    padding: 24px;
+}
+
+.analysis-result.hidden {
+    display: none;
+}
+
+.result-loading {
+    text-align: center;
+    padding: 60px;
+    color: var(--text-secondary);
+}
+
+.result-card {
+    background: var(--bg-primary);
+    border-radius: var(--radius);
+    padding: 24px;
+    margin-bottom: 16px;
+}
+
+.result-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 16px;
+}
+
+.result-title {
+    font-size: 20px;
+    font-weight: 600;
+}
+
+.result-body {
+    display: grid;
+    grid-template-columns: repeat(3, 1fr);
+    gap: 24px;
+}
+
+.result-item {
+    padding: 16px;
+    background: var(--bg-secondary);
+    border-radius: var(--radius);
+}
+
+.result-label {
+    font-size: 12px;
+    color: var(--text-secondary);
+    margin-bottom: 8px;
+}
+
+.result-value {
+    font-size: 24px;
+    font-weight: 700;
+}
+
+/* 弹窗 */
+.modal {
+    position: fixed;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    background: rgba(0, 0, 0, 0.7);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    z-index: 1000;
+}
+
+.modal.hidden {
+    display: none;
+}
+
+.modal-content {
+    background: var(--bg-secondary);
+    border-radius: var(--radius);
+    width: 100%;
+    max-width: 480px;
+    max-height: 90vh;
+    overflow-y: auto;
+}
+
+.modal-header {
+    padding: 20px 24px;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    border-bottom: 1px solid var(--border);
+}
+
+.modal-header h3 {
+    font-size: 18px;
+    font-weight: 600;
+}
+
+.modal-close {
+    background: none;
+    border: none;
+    color: var(--text-secondary);
+    font-size: 24px;
+    cursor: pointer;
+}
+
+.modal-close:hover {
+    color: var(--text-primary);
+}
+
+/* 表单 */
+form {
+    padding: 24px;
+}
+
+.form-group {
+    margin-bottom: 20px;
+}
+
+.form-group label {
+    display: block;
+    font-size: 14px;
+    font-weight: 500;
+    margin-bottom: 8px;
+    color: var(--text-secondary);
+}
+
+.form-group input,
+.form-group select,
+.form-group textarea {
+    width: 100%;
+    padding: 12px 16px;
+    background: var(--bg-primary);
+    border: 1px solid var(--border);
+    border-radius: var(--radius);
+    color: var(--text-primary);
+    font-size: 14px;
+}
+
+.form-group input:focus,
+.form-group select:focus,
+.form-group textarea:focus {
+    outline: none;
+    border-color: var(--primary);
+}
+
+.modal-actions {
+    display: flex;
+    justify-content: flex-end;
+    gap: 12px;
+    margin-top: 24px;
+}
+
+/* 设置页 */
+.settings-form {
+    padding: 24px;
+    max-width: 480px;
+}
+
+.toggle {
+    display: flex;
+    align-items: center;
+    gap: 12px;
+    cursor: pointer;
+}
+
+.toggle input {
+    display: none;
+}
+
+.toggle-slider {
+    width: 48px;
+    height: 24px;
+    background: var(--bg-tertiary);
+    border-radius: 12px;
+    position: relative;
+    transition: all 0.2s;
+}
+
+.toggle-slider::after {
+    content: '';
+    position: absolute;
+    width: 20px;
+    height: 20px;
+    background: white;
+    border-radius: 50%;
+    top: 2px;
+    left: 2px;
+    transition: all 0.2s;
+}
+
+.toggle input:checked + .toggle-slider {
+    background: var(--primary);
+}
+
+.toggle input:checked + .toggle-slider::after {
+    left: 26px;
+}
+
+.toggle-label {
+    font-size: 14px;
+    color: var(--text-primary);
+}
+
+/* 空状态 */
+.empty-state {
+    text-align: center;
+    padding: 60px;
+    color: var(--text-secondary);
+}
+
+/* 响应式 */
+@media (max-width: 1200px) {
+    .stats-grid {
+        grid-template-columns: repeat(2, 1fr);
+    }
+}
+
+@media (max-width: 768px) {
+    .sidebar {
+        width: 60px;
+    }
+    
+    .logo-text,
+    .nav-item span:not(.nav-icon) {
+        display: none;
+    }
+    
+    .main-content {
+        margin-left: 60px;
+    }
+    
+    .stats-grid {
+        grid-template-columns: 1fr;
+    }
+    
+    .result-body {
+        grid-template-columns: 1fr;
+    }
+}