/* Modern Dark Theme - Slate/Blue Palette */
:root {
  --bg-color: #0f172a; /* Slate 900 */
  --card-bg: #1e293b; /* Slate 800 */
  --card-border: #334155; /* Slate 700 */
  --text-primary: #f1f5f9; /* Slate 100 */
  --text-secondary: #94a3b8; /* Slate 400 */
  --accent-color: #3b82f6; /* Blue 500 */
  --accent-hover: #2563eb; /* Blue 600 */
  --success-color: #10b981; /* Emerald 500 */
  --table-header-bg: #0f172a;
  --table-row-hover: #334155;
  --scrollbar-thumb: #475569;
  --scrollbar-track: #0f172a;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  background-image: radial-gradient(circle at 50% 0%, #1e293b 0%, #0f172a 100%);
}

#app {
  display: flex;
  flex-direction: column; /* Changed to column to include header */
  height: 100vh;
  padding: 16px;
  gap: 16px;
  box-sizing: border-box;
}

/* Header Styling */
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 8px;
  flex: 0 0 auto;
}

.dashboard-title {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(to right, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  background: rgba(30, 41, 59, 0.5);
  border-radius: 8px;
  padding: 4px;
  gap: 4px;
}

.nav-tab {
  padding: 8px 16px;
  border-radius: 6px;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  background: transparent;
  border: none;
}

.nav-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-tab.active {
  background: var(--accent-color);
  color: white;
  box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
}

/* Main Layout */
.main-content {
  display: flex;
  flex: 1;
  gap: 16px;
  min-height: 0; /* Important for nested scrolling */
}

.left-panel {
  flex: 3;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.right-panel {
  flex: 2;
  display: flex;
  flex-direction: column;
  background-color: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--card-border);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  padding: 20px;
  min-width: 0;
}

/* Cards */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Controls */
.controls {
  display: flex;
  gap: 12px;
  align-items: center;
}

.btn-primary {
  padding: 8px 16px;
  border-radius: 8px;
  border: none;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
  font-size: 14px;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 6px rgba(59, 130, 246, 0.4);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  filter: grayscale(0.5);
}

/* Station List / Table */
.station-list {
  flex: 1; /* Give it space */
  min-height: 0;
  @apply card; /* Conceptually using card styles */
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.station-list-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--card-border);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  background-color: rgba(15, 23, 42, 0.5);
}

.station-table-container {
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.station-table {
  width: 100%;
  border-collapse: separate; /* Changed for border-radius support if needed, but sticky needs collapse usually or specific handling. Keeping collapse for alignment. */
  border-collapse: collapse;
  font-size: 14px;
}

.station-table th {
  background-color: var(--table-header-bg);
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.05em;
  padding: 12px 16px;
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--card-border);
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
  text-align: center;
}

.station-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--card-border);
  color: var(--text-primary);
  transition: background-color 0.15s;
  text-align: center;
}

.station-table tbody tr:hover td {
  background-color: var(--table-row-hover);
}

.station-table tbody tr:last-child td {
  border-bottom: none;
}

/* Chart */
#chart {
  flex: 1;
  min-height: 300px;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 16px;
  box-sizing: border-box;
}

/* AI Analysis Section */
.ai-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-title::before {
  content: '';
  display: block;
  width: 4px;
  height: 18px;
  background-color: var(--accent-color);
  border-radius: 2px;
}

.ai-box {
  flex: 1;
  background-color: rgba(15, 23, 42, 0.3); /* Slightly darker inner bg */
  border-radius: 8px;
  border: 1px solid var(--card-border);
  padding: 16px;
  overflow-y: auto;
  font-size: 14px;
  line-height: 1.7;
  color: #cbd5e1; /* Slate 300 */
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) transparent;
}

.ai-question {
  background-color: rgba(59, 130, 246, 0.1);
  border-left: 3px solid var(--accent-color);
  padding: 12px;
  border-radius: 0 4px 4px 0;
  margin-bottom: 16px;
}

.ai-question .label {
  font-size: 12px;
  color: var(--accent-color);
  font-weight: 700;
  margin-bottom: 4px;
  text-transform: uppercase;
}

.ai-question .question-text {
  font-size: 14px;
  color: var(--text-primary);
}

.ai-result {
  margin-top: 16px;
}

/* Markdown Styling in AI Result */
.ai-result h1, .ai-result h2, .ai-result h3 {
  color: var(--text-primary);
  margin-top: 20px;
  margin-bottom: 10px;
  font-weight: 600;
}
.ai-result strong {
  color: #60a5fa; /* Blue 400 */
}
.ai-result ul {
  padding-left: 20px;
}
.ai-result li {
  margin-bottom: 6px;
}
.ai-result p {
  margin-bottom: 12px;
}

/* Markdown Table Styling in AI Result */
.ai-result table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 13px;
  background-color: var(--card-bg); /* Use card bg to distinguish from ai-box bg */
  border: 1px solid var(--card-border);
  border-radius: 6px;
  overflow: hidden; /* For rounded corners on table */
}

.ai-result th,
.ai-result td {
  padding: 10px 12px;
  border: 1px solid var(--card-border); /* Explicit border color */
  text-align: left;
}

.ai-result th {
  background-color: rgba(15, 23, 42, 0.8);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ai-result tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.02); /* Slight zebra striping */
}

.ai-result tr:hover td {
  background-color: var(--table-row-hover);
}

/* Custom Scrollbar Webkit */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}


/* =========================================
   INTEGRATED DEGREE STYLES
   ========================================= */

.degree-container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
    width: 100%;
    flex: 1;
    overflow-y: auto;
    scrollbar-width: thin;
}

.query-section {
    background: rgba(15, 23, 42, 0.96);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.9);
    margin-bottom: 30px;
    text-align: center;
    border: 1px solid var(--card-border);
}

.page-title {
    font-size: 32px;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.page-subtitle {
    margin-bottom: 32px;
    color: #94a3b8;
    font-size: 16px;
    opacity: 0.9;
}

.input-wrapper {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

/* 搜索框样式优化 */
.search-input.el-input {
    --el-input-border-color: rgba(148, 163, 184, 0.5);
    --el-input-hover-border-color: rgba(56, 189, 248, 0.9);
    --el-input-focus-border-color: rgba(56, 189, 248, 0.9);
    --el-input-bg-color: rgba(15, 23, 42, 0.9);
    --el-input-text-color: #e5e7eb;
}

.search-input .el-input__wrapper {
    padding-left: 20px;
    padding-right: 20px;
    box-shadow: 0 2px 18px rgba(15, 23, 42, 0.6);
    background-color: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.5);
    transition: all 0.3s ease;
}

.search-input.el-input-group--append .el-input__wrapper {
    border-radius: 24px 0 0 24px;
    border-right: none;
}

.search-input:not(.el-input-group--append) .el-input__wrapper {
    border-radius: 24px;
}

.search-input .el-input-group__append {
    background-color: rgba(56, 189, 248, 0.9);
    border: 1px solid rgba(56, 189, 248, 0.9);
    border-left: none;
    border-radius: 0 24px 24px 0;
    padding: 0;
    box-shadow: 0 2px 18px rgba(15, 23, 42, 0.6);
}

.search-input .el-input-group__append .el-button,
.search-input .el-input-group__append .el-button.el-button--primary {
    border: none;
    margin: 0;
    padding: 0 30px;
    height: 48px;
    color: #fff;
    background-color: transparent;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s;
    border-radius: 0;
}

.search-input .el-input-group__append .el-button:hover,
.search-input .el-input-group__append .el-button.el-button--primary:hover {
    background-color: rgba(14, 165, 233, 1);
    color: #fff;
}

.search-input .el-input-group__append .el-button:active {
    transform: scale(0.98);
}

.search-input .el-input__wrapper:hover,
.search-input .el-input__wrapper.is-focus {
    box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.9), 0 20px 40px rgba(15, 23, 42, 0.9);
    border-color: rgba(56, 189, 248, 0.9);
    z-index: 1;
}

.search-input .el-input-group__append:hover {
    border-color: rgba(56, 189, 248, 0.9);
}

.search-input .el-input__inner {
    height: 48px;
    font-size: 16px;
    color: #e5e7eb;
}

.search-input .el-input__inner::placeholder {
    color: rgba(148, 163, 184, 0.8);
}

.example-tags {
    margin-top: 16px;
    display: flex;
    justify-content: center;
}

/* Douyin Container */
.douyin-container {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    max-width: 95%;
    margin: 0 auto;
    width: 100%;
    scrollbar-width: thin;
}    gap: 10px;
    flex-wrap: wrap;
}

.example-tag {
    cursor: pointer;
    transition: all 0.2s;
    border-color: rgba(148, 163, 184, 0.6);
    color: #cbd5f5;
    background-color: rgba(15, 23, 42, 0.8);
}

.example-tag:hover {
    transform: translateY(-2px);
    border-color: rgba(56, 189, 248, 0.9);
    color: #e0f2fe;
    background-color: rgba(15, 23, 42, 1);
}

.result-section {
    background: rgba(15, 23, 42, 0.96);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.9);
    min-height: 200px;
    border: 1px solid var(--card-border);
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
    padding-bottom: 15px;
}

.result-title {
    font-size: 18px;
    font-weight: 600;
    color: #e5e7eb;
    display: flex;
    align-items: center;
    gap: 8px;
}

.markdown-body {
    font-size: 16px;
    line-height: 1.7;
    color: #e5e7eb;
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
}

.markdown-body th,
.markdown-body td {
    padding: 12px;
    border: 1px solid rgba(51, 65, 85, 0.9);
}

.markdown-body th {
    background-color: rgba(30, 64, 175, 0.95);
    font-weight: 600;
}

.markdown-body tr:nth-child(even) {
    background-color: rgba(15, 23, 42, 0.9);
}

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 0;
    color: rgba(148, 163, 184, 0.9);
}

/* Cursor blink animation for streaming effect */
.cursor-blink {
    display: inline-block;
    width: 2px;
    height: 1em;
    background-color: #38bdf8;
    vertical-align: text-bottom;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* 二维码容器 */
.qr-sidebar {
    position: fixed;
    right: 20px;
    bottom: 20px;
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    text-align: center;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.qr-sidebar:hover {
    transform: translateY(-5px);
    border-color: rgba(56, 189, 248, 0.5);
    background: rgba(15, 23, 42, 1);
}

.qr-code {
    width: 128px;
    height: 128px;
    background: #fff;
    padding: 8px;
    border-radius: 8px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    overflow: hidden;
}

.qr-code canvas, .qr-code img {
    max-width: 100% !important;
    max-height: 100% !important;
    height: auto !important;
    display: block;
}

.qr-text {
    font-size: 13px;
    font-weight: 500;
    color: #94a3b8;
    margin: 0;
    letter-spacing: 0.5px;
}

/* 响应式调整 */
@media screen and (max-width: 1200px) {
    .qr-sidebar {
        display: none;
    }
}

/* ECharts 图表容器 */
.echarts-container {
    width: 100%;
    height: 400px;
    margin: 24px 0;
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid rgba(56, 189, 248, 0.1);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    transition: all 0.3s ease;
}

.echarts-container:hover {
    border-color: rgba(56, 189, 248, 0.3);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
    .echarts-container {
        height: 300px;
        margin: 16px 0;
        padding: 10px !important;
    }

    .degree-container {
        margin-top: 20px !important;
        padding: 0 15px;
    }

    .query-section {
        padding: 20px 10px;
    }

    .page-title {
        font-size: 22px;
        margin-bottom: 10px;
    }

    .page-subtitle {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .result-section {
        padding: 15px;
    }

    .input-wrapper {
        max-width: 100%;
    }

    .search-input .el-input__inner {
        height: 40px;
        font-size: 14px;
    }

    .search-input .el-input-group__append .el-button {
        padding: 0 12px;
        height: 40px;
        font-size: 14px;
    }

    .example-tags {
        gap: 6px;
    }

    .example-tag {
        font-size: 12px;
        padding: 0 8px;
    }

    .result-section {
        padding: 15px;
        margin-top: 20px;
    }

    .markdown-body {
        font-size: 14px;
    }

    .markdown-body table {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 16px 0;
        border-collapse: collapse;
        /* 增加一个细小的滚动条样式，提示可以滚动 */
    }

    .markdown-body table::-webkit-scrollbar {
        height: 4px;
    }

    .markdown-body table::-webkit-scrollbar-thumb {
        background: rgba(56, 189, 248, 0.5);
        border-radius: 2px;
    }

    .markdown-body th, 
    .markdown-body td {
        white-space: nowrap;
        padding: 10px 15px;
        font-size: 13px;
        min-width: 100px;
    }

    /* 手机端首列固定 */
    .markdown-body table tr th:first-child,
    .markdown-body table tr td:first-child {
        position: sticky;
        left: 0;
        z-index: 2;
        box-shadow: 2px 0 5px rgba(0,0,0,0.3);
    }

    .markdown-body table tr th:first-child {
        background-color: #1e40af !important; /* 统一使用深蓝色 */
    }

    .markdown-body table tr:nth-child(odd) td:first-child {
        background-color: #0f172a !important; /* 与容器背景一致 */
    }

    .markdown-body table tr:nth-child(even) td:first-child {
        background-color: #1e293b !important; /* 稍亮的条纹背景 */
    }
}

/* =========================================
   AD OVERLAY STYLES
   ========================================= */

.ad-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
}

.ad-content {
  background: linear-gradient(145deg, #1e293b, #0f172a);
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: 20px;
  padding: 40px;
  max-width: 600px;
  width: 90%;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 0 0 15px rgba(59, 130, 246, 0.2);
  position: relative;
  animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  color: #fff;
}



.ad-header h2 {
  margin: 0 0 30px 0;
  text-align: center;
  font-size: 26px;
  font-weight: 800;
  background: linear-gradient(to right, #60a5fa, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.5px;
  text-shadow: 0 2px 10px rgba(96, 165, 250, 0.3);
}

.ad-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ad-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  transition: transform 0.2s;
}

.ad-item:hover {
  transform: translateX(5px);
  background: rgba(255, 255, 255, 0.05);
}

.ad-icon-wrapper {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(167, 139, 250, 0.2));
  padding: 10px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  box-sizing: border-box;
}

.ad-icon {
  font-size: 20px;
}

.ad-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: #cbd5e1;
  flex: 1;
}

.ad-item strong {
  color: #60a5fa;
  font-weight: 600;
}

.ad-footer {
  margin-top: 30px;
  text-align: center;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  padding-top: 20px;
}

.ad-close-btn {
  font-size: 14px;
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.1);
  display: inline-block;
  padding: 8px 24px;
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.ad-close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-1px);
}

/* Animations */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.fade-enter-active,
.fade-leave-active {
  transition: opacity 0.4s ease;
}

.fade-enter-from,
.fade-leave-to {
  opacity: 0;
}