/* ============================================
   RecoImage 遥感图像识别分析软件 - 全局样式
   暗色科技风主题
   ============================================ */

/* ---- CSS 变量定义 ---- */
:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.85);
    --bg-card-hover: rgba(25, 35, 55, 0.95);
    --border-color: rgba(56, 189, 248, 0.15);
    --border-glow: rgba(56, 189, 248, 0.4);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-blue: #38bdf8;
    --accent-cyan: #22d3ee;
    --accent-purple: #a78bfa;
    --accent-green: #34d399;
    --accent-red: #f87171;
    --accent-orange: #fb923c;
    --accent-yellow: #fbbf24;
    --gradient-primary: linear-gradient(135deg, #38bdf8 0%, #a78bfa 100%);
    --gradient-header: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
    --shadow-glow: 0 0 20px rgba(56, 189, 248, 0.1);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- 全局重置 ---- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ---- 背景动态效果 ---- */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 800px 400px at 20% 20%, rgba(56, 189, 248, 0.06), transparent),
        radial-gradient(ellipse 600px 300px at 80% 80%, rgba(167, 139, 250, 0.05), transparent),
        radial-gradient(ellipse 400px 200px at 50% 50%, rgba(34, 211, 238, 0.03), transparent);
    pointer-events: none;
    z-index: 0;
}

/* ---- 顶部导航 ---- */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--gradient-header);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.3);
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.logo-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.header-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 8px rgba(52, 211, 153, 0.5);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.8); }
}

/* ---- 标签页导航 ---- */
.tab-nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
    background: rgba(10, 14, 26, 0.8);
    position: sticky;
    top: 73px;
    z-index: 99;
    backdrop-filter: blur(10px);
}

.tab-btn {
    padding: 14px 24px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(56, 189, 248, 0.05);
}

.tab-btn.active {
    color: var(--accent-blue);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px 2px 0 0;
}

.tab-icon {
    font-size: 16px;
}

/* ---- 主内容区域 ---- */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
    position: relative;
    z-index: 1;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.4s ease;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- 卡片组件 ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}

.card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow), var(--shadow-card);
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.card-title .icon {
    font-size: 20px;
}

/* ---- 上传区域 ---- */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: rgba(56, 189, 248, 0.02);
    position: relative;
    overflow: hidden;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--accent-blue);
    background: rgba(56, 189, 248, 0.06);
    box-shadow: 0 0 30px rgba(56, 189, 248, 0.1) inset;
}

.upload-zone.has-image {
    padding: 10px;
    border-style: solid;
    border-color: var(--accent-green);
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 12px;
    display: block;
}

.upload-text {
    font-size: 14px;
    color: var(--text-secondary);
}

.upload-text strong {
    color: var(--accent-blue);
}

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

.upload-preview {
    max-width: 100%;
    max-height: 300px;
    border-radius: var(--radius-sm);
    object-fit: contain;
}

.upload-zone input[type="file"] {
    display: none;
}

/* ---- 双图上传网格 ---- */
.upload-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.upload-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ---- 控制面板 ---- */
.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-end;
    margin-bottom: 20px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.control-group label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

select, input[type="number"], input[type="range"] {
    padding: 8px 12px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    transition: var(--transition);
    outline: none;
}

select:focus, input[type="number"]:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
}

input[type="range"] {
    padding: 0;
    height: 4px;
    -webkit-appearance: none;
    background: var(--border-color);
    border: none;
    border-radius: 2px;
    width: 120px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-blue);
    cursor: pointer;
    box-shadow: 0 0 8px rgba(56, 189, 248, 0.4);
}

/* ---- 按钮 ---- */
.btn {
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(56, 189, 248, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-blue);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(56, 189, 248, 0.2);
    border-color: var(--accent-blue);
}

/* ---- 结果面板 ---- */
.result-section {
    margin-top: 24px;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.metric-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 20px;
    text-align: center;
    transition: var(--transition);
}

.metric-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-2px);
}

.metric-value {
    font-size: 32px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.metric-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-desc {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ---- 综合评分仪表盘 ---- */
.score-dashboard {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    padding: 30px;
}

.score-circle {
    width: 160px;
    height: 160px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.score-circle svg {
    position: absolute;
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.score-circle .circle-bg {
    fill: none;
    stroke: rgba(56, 189, 248, 0.1);
    stroke-width: 8;
}

.score-circle .circle-progress {
    fill: none;
    stroke: url(#scoreGradient);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 440;
    stroke-dashoffset: 440;
    transition: stroke-dashoffset 1.5s ease;
}

.score-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-blue);
}

.score-label {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 4px;
}

/* ---- 图像预览 ---- */
.image-result {
    margin-top: 20px;
    text-align: center;
}

.image-result img {
    max-width: 100%;
    max-height: 600px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.image-result img:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

/* ---- 颜色图例 ---- */
.color-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
    padding: 16px;
    background: rgba(15, 23, 42, 0.4);
    border-radius: var(--radius-sm);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 3px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ---- 目标列表 ---- */
.target-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin-top: 16px;
}

.target-table th {
    background: rgba(56, 189, 248, 0.08);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 11px;
    border-bottom: 1px solid var(--border-color);
}

.target-table td {
    padding: 10px 16px;
    border-bottom: 1px solid rgba(56, 189, 248, 0.05);
    color: var(--text-primary);
}

.target-table tr:hover td {
    background: rgba(56, 189, 248, 0.03);
}

.prob-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: #000;
}

/* ---- 加载动画 ---- */
.loading {
    display: none;
    text-align: center;
    padding: 40px;
}

.loading.active {
    display: block;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ---- 错误提示 ---- */
.error-message {
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.3);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--accent-red);
    font-size: 13px;
    margin-top: 12px;
    display: none;
}

.error-message.active {
    display: block;
}

/* ---- 复选框样式 ---- */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-blue);
    cursor: pointer;
}

.checkbox-group label {
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
}

/* ---- 象限分布图 ---- */
.quadrant-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    width: 200px;
    margin: 16px auto;
}

.quadrant-cell {
    aspect-ratio: 1;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: var(--transition);
}

.quadrant-cell.has-target {
    background: rgba(56, 189, 248, 0.1);
    border-color: var(--accent-blue);
}

.quadrant-count {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-blue);
}

.quadrant-label {
    font-size: 11px;
    color: var(--text-muted);
}

/* ---- 响应式布局 ---- */
@media (max-width: 768px) {
    .upload-grid {
        grid-template-columns: 1fr;
    }

    .header-inner {
        flex-direction: column;
        gap: 8px;
    }

    .tab-nav {
        overflow-x: auto;
        top: 100px;
    }

    .controls {
        flex-direction: column;
    }

    .score-dashboard {
        flex-direction: column;
    }

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

/* ---- 滚动条 ---- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: rgba(56, 189, 248, 0.2);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(56, 189, 248, 0.4);
}

/* ---- 选中效果 ---- */
::selection {
    background: rgba(56, 189, 248, 0.3);
    color: #fff;
}