/* 全局背景渐变 */
body {
    background: linear-gradient(135deg, #0f172a 0%, #4c1d95 50%, #0f172a 100%);
    color: #d1d5db;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* 导航栏 */
.navbar {
    background-color: rgba(255,255,255,0.05) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.navbar-brand {
    color: #ffffff !important;
    font-weight: bold;
}
.nav-link {
    color: #9ca3af !important;
    transition: color 0.2s;
}
.nav-link:hover, .nav-link.active {
    color: #c084fc !important;
    background-color: rgba(255,255,255,0.05);
    border-radius: 6px;
}

/* 卡片 */
.card {
    background-color: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    backdrop-filter: blur(5px);
}
.card-header {
    background-color: rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    color: #ffffff;
    font-weight: bold;
}

/* 指标数值 */
.metric-value {
    font-size: 1.8rem;
    font-weight: bold;
    color: #c084fc;
}
.metric-label {
    font-size: 0.85rem;
    color: #9ca3af;
}

/* 表格 */
.table {
    color: #d1d5db;
}
.table-dark {
    --bs-table-bg: rgba(255,255,255,0.03);
    --bs-table-border-color: rgba(255,255,255,0.1);
}
.table-dark th {
    color: #ffffff;
    border-bottom: 2px solid rgba(255,255,255,0.2);
}
.table-dark td {
    color: #d1d5db;
}
.table-dark tr:hover td {
    background-color: rgba(255,255,255,0.08);
}

/* 按钮 */
.btn-primary {
    background: linear-gradient(135deg, #7c3aed, #6366f1);
    border: 1px solid rgba(255,255,255,0.1);
    color: #ffffff;
}
.btn-primary:hover {
    background: linear-gradient(135deg, #6d28d9, #4f46e5);
    border-color: rgba(255,255,255,0.2);
}
.btn-outline-light {
    border: 1px solid rgba(255,255,255,0.2);
    color: #9ca3af;
}
.btn-outline-light:hover {
    background-color: rgba(255,255,255,0.1);
    color: #ffffff;
}

/* 徽章 */
.badge {
    font-weight: 500;
}
.badge.bg-info {
    background-color: #6366f1 !important;
}
.badge.bg-warning {
    background-color: #f59e0b !important;
    color: #000 !important;
}
.badge.bg-success {
    background-color: #10b981 !important;
}
.badge.bg-danger {
    background-color: #ef4444 !important;
}

/* 表单 */
.form-control {
    background-color: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: #d1d5db;
}
.form-control:focus {
    background-color: rgba(255,255,255,0.08);
    border-color: #c084fc;
    color: #ffffff;
    box-shadow: 0 0 0 2px rgba(192,132,252,0.2);
}
.form-control::placeholder {
    color: #6b7280;
}

/* 模态框 */
.modal-content {
    background-color: #1e1b4b;
    border: 1px solid rgba(255,255,255,0.1);
}
.modal-header {
    border-bottom: 1px solid rgba(255,255,255,0.1);
    color: #ffffff;
}

/* 货币标识色 */
.usdt-bg { background-color: #10b981; }
.trx-bg { background-color: #ef4444; }

/* 状态色 */
.status-green { color: #10b981; }
.status-yellow { color: #f59e0b; }
.status-red { color: #ef4444; }

/* 特殊渐变卡片（AI分析区） */
.ai-card {
    background: linear-gradient(135deg, rgba(168,85,247,0.1), rgba(59,130,246,0.1));
    border-left: 4px solid #c084fc;
}

/* 分隔线 */
hr {
    border-color: rgba(255,255,255,0.1);
}

/* 文本层级 */
h1, h2, h3, h4, h5, h6 {
    color: #ffffff;
}
.text-muted {
    color: #9ca3af !important;
}
small {
    color: #6b7280;
}