:root {
    --bg-main: #121212;
    --bg-card: #1e1e1e;
    --bg-hover: #2a2a2a;
    --text-main: #e0e0e0;
    --text-muted: #888888;
    --accent-blue: #3b82f6;
    --border-color: #333333;
    --tx-amount: #c084fc;
}
body { margin: 0; padding: 20px; background-color: var(--bg-main); color: var(--text-main); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.container { max-width: 1400px; margin: auto; }

/* CSS Thanh Tìm Kiếm & Lịch sử */
.search-container { display: flex; gap: 10px; }
.search-input { flex: 1; padding: 14px 16px; border-radius: 8px; border: 1px solid var(--border-color); background: var(--bg-card); color: var(--text-main); font-size: 15px; transition: 0.2s; }
.search-input:focus { outline: none; border-color: var(--accent-blue); box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2); }
.search-btn { background: var(--accent-blue); color: #fff; border: none; padding: 0 24px; border-radius: 8px; font-weight: bold; font-size: 15px; cursor: pointer; transition: 0.2s; }
.search-btn:hover { background: #2563eb; }

/* CSS Lịch sử tìm kiếm */
.recent-searches { margin-top: 10px; font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: 10px; }
.search-tag { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); padding: 4px 12px; border-radius: 12px; cursor: pointer; transition: 0.2s; font-family: monospace; }
.search-tag:hover { background: var(--accent-blue); color: #fff; }
.clear-history { cursor: pointer; color: #f87171; font-weight: bold; margin-left: auto; transition: 0.2s; }
.clear-history:hover { text-decoration: underline; opacity: 0.8; }

/* --- Khung Thống kê Tổng quan --- */
.metrics-grid {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}
.metric-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    flex: 1;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}
.metric-title {
    color: #ffffff;
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 8px;
}
.metric-main-value {
    color: #c084fc;
    font-size: 22px;
    font-weight: bold;
}
.metric-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 15px 0;
}
.metric-row {
    margin-bottom: 12px;
}
.metric-row:last-child {
    margin-bottom: 0;
}
.metric-col {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.metric-label {
    color: var(--text-muted);
    font-size: 13px;
}
.metric-sub-value {
    color: #ffffff;
    font-size: 16px;
    font-weight: bold;
}
.text-red { color: #f87171; }
.text-green { color: #4ade80; }

/* UI dùng chung */
.nav-tabs { display: flex; gap: 10px; margin-bottom: 20px; margin-top: 20px; border-bottom: 2px solid var(--border-color); }
.tab-btn { background: transparent; border: none; color: var(--text-muted); padding: 12px 24px; font-size: 16px; font-weight: bold; cursor: pointer; border-bottom: 3px solid transparent; transition: 0.2s; margin-bottom: -2px; }
.tab-btn:hover { color: var(--text-main); }
.tab-btn.active { color: var(--accent-blue); border-bottom-color: var(--accent-blue); }
.back-btn { background: var(--bg-card); border: 1px solid var(--border-color); color: var(--text-main); padding: 8px 16px; border-radius: 6px; cursor: pointer; margin-bottom: 20px; display: inline-flex; align-items: center; }
.back-btn:hover { background: var(--bg-hover); }
h2 { font-size: 18px; font-weight: 600; margin-bottom: 20px; border-bottom: 1px solid var(--border-color); padding-bottom: 10px; }
.table-container { background: var(--bg-card); border-radius: 8px; padding: 20px; overflow-x: auto; box-shadow: 0 4px 6px rgba(0,0,0,0.3); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 14px 10px; text-align: left; border-bottom: 1px solid var(--border-color); white-space: nowrap; }
th { color: var(--text-muted); font-weight: bold; text-transform: uppercase; font-size: 12px;}
tr:hover { background: var(--bg-hover); }
.link-blue { color: var(--accent-blue); text-decoration: none; font-family: monospace; font-size: 14px; cursor: pointer;}
.link-blue:hover { text-decoration: underline; }
.copy-icon { cursor: pointer; color: var(--text-muted); margin-left: 4px; font-size: 12px; }
.copy-icon:hover { color: var(--text-main); }
.amount-text { color: var(--tx-amount); font-weight: bold; }

/* Badge và View */
.exchange-badge { display: inline-flex; align-items: center; gap: 4px; font-weight: bold; padding: 2px 6px; border-radius: 4px; font-size: 11px; cursor: pointer; transition: 0.2s;}
.exchange-badge:hover { opacity: 0.8; transform: scale(1.02); }
.badge-okx { background: #000; color: #fff; border: 1px solid #333; }
.badge-mexc { background: #1e3a8a; color: #fff; }
.badge-pct { background: #b45309; color: #fff; border: 1px solid #f59e0b; } 
.badge-liquidity { background: #581c87; color: #fff; border: 1px solid #a855f7; }
.badge-default { background: #333; color: #fff; border: 1px solid #555; } 

.type-badge { padding: 4px 8px; border-radius: 4px; font-size: 12px; font-weight: bold; text-transform: capitalize; }
.type-exchange { background: rgba(56, 189, 248, 0.15); color: #38bdf8; }
.type-pct { background: rgba(250, 204, 21, 0.15); color: #facc15; }
.type-liquidity { background: rgba(167, 139, 250, 0.15); color: #a78bfa; }
.type-personal { background: rgba(148, 163, 184, 0.15); color: #94a3b8; }

#global-view { display: block; }
#tracked-view { display: none; }
#detail-view { display: none; }

@keyframes flash { 0% { background-color: rgba(59, 130, 246, 0.2); } 100% { background-color: transparent; } }
.new-tx { animation: flash 1.5s ease-out; }

/* --- Nút Ủng Hộ --- */
.donate-btn {
    background: linear-gradient(45deg, #ef4444, #f43f5e);
    color: white; border: none; padding: 10px 20px;
    border-radius: 8px; font-weight: bold; cursor: pointer;
    display: inline-flex; align-items: center; gap: 8px;
    transition: 0.3s; box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}
.donate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.5);
}

/* --- Giao diện Modal Ủng Hộ --- */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.7); display: flex; justify-content: center; 
    align-items: center; z-index: 1000; backdrop-filter: blur(5px);
}
.modal-content {
    background: var(--bg-card); border: 1px solid var(--border-color);
    padding: 25px; border-radius: 12px; width: 90%; max-width: 550px; position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.close-modal {
    position: absolute; top: 15px; right: 20px; font-size: 28px; 
    cursor: pointer; color: var(--text-muted); transition: 0.2s;
}
.close-modal:hover { color: #f87171; }
.donate-wallets { display: flex; flex-direction: column; gap: 15px; }
.donate-item {
    display: flex; align-items: center; gap: 15px; background: var(--bg-main);
    padding: 12px; border-radius: 8px; border: 1px solid var(--border-color);
}
.donate-item img { 
    border-radius: 6px; background: #fff; padding: 5px; width: 80px; height: 80px;
}
.donate-info { display: flex; flex-direction: column; gap: 5px; overflow: hidden; }
.donate-addr { 
    font-family: monospace; font-size: 12px; color: var(--text-muted); 
    word-break: break-all; 
}

/* Phân trang */
.pagination { display: flex; justify-content: space-between; margin-top: 15px; padding: 5px 0; }
.page-btn { background: var(--bg-card); border: 1px solid var(--border-color); color: var(--text-main); padding: 8px 16px; border-radius: 6px; cursor: pointer; font-weight: bold; transition: 0.2s; }
.page-btn:hover:not(:disabled) { background: var(--bg-hover); color: var(--accent-blue); border-color: var(--accent-blue); }
.page-btn:disabled { opacity: 0.3; cursor: not-allowed; }