/* Ping Page Styles */

/* === 4. UI 组件 === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: calc(100vh - 140px);
}

/* Control Panel */
.control-panel {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
    border-top: 4px solid var(--primary-color);
}
.ping-mode-badge {
    display: inline-block;
    background: var(--primary-color); /* Info Cyan */
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    margin-left: 10px;
    vertical-align: middle;
}
.ping-header {
    margin-bottom: 20px;
    text-align: center;
    color: var(--text-color);
}

.input-group { 
    display: flex; gap: 12px; flex: 1; 
    min-width: 300px; align-items: center; flex-wrap: wrap;
}

.input {
    flex: 0 1 380px; /* 380px 宽度 */
    min-width: 180px;
    height: 44px; padding: 0 16px; font-size: 16px;
    border: 1px solid var(--input-border); background-color: var(--input-bg);
    color: var(--text-color); border-radius: 8px; transition: var(--transition);
}
.input:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(82, 196, 26, 0.15); }

/* Switch / Segmented Control */
.segmented-control {
    display: inline-flex; background: var(--hover-bg); padding: 4px;
    border-radius: 8px; border: 1px solid var(--border-color); height: 44px;
    align-items: center;
}
.segment-option { display: none; }
.segment-label {
    padding: 0 16px; height: 34px; line-height: 34px; border-radius: 6px;
    cursor: pointer; font-size: 14px; color: var(--text-secondary);
    transition: all 0.2s; white-space: nowrap; select-none: none;
    position: relative; /* Added for icon positioning */
}
.segment-option:checked + .segment-label {
    background: var(--card-bg); color: var(--primary-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.08); font-weight: 600;
}

/* Warning Icon for Continuous Mode */
.cont-warn-icon {
    display: none;
    position: absolute;
    top: -5px;
    right: -5px;
    width: 12px;
    height: 12px;
    background-color: transparent;
    color: #fadb14; /* Yellow color */
    border: 1px solid #fadb14; /* Yellow border */
    border-radius: 50%;
    font-size: 10px;
    line-height: 10px;
    text-align: center;
    font-weight: bold;
    cursor: help;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

#continuous:checked + .segment-label .cont-warn-icon {
    display: block;
}

.switch-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 14px; font-weight: 500; color: var(--text-color); }
.switch {
    position: relative; width: 40px; height: 22px; background-color: #e5e5e5; border-radius: 20px; transition: var(--transition);
}
.switch::after {
    content: ''; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px;
    background-color: #fff; border-radius: 50%; transition: var(--transition); box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.switch-checkbox { display: none; }
.switch-checkbox:checked + .switch { background-color: var(--primary-color); }
.switch-checkbox:checked + .switch::after { transform: translateX(18px); }
body.dark-mode .switch { background-color: #444; }

/* === 5. Ping Grid & Cards === */
.ping-status-bar {
    margin-bottom: 16px; font-size: 14px; color: var(--text-secondary);
    display: flex; align-items: center; gap: 8px; opacity: 0; transition: opacity 0.3s;
}
.ping-status-bar.visible { opacity: 1; }
.status-dot { width: 8px; height: 8px; background-color: var(--primary-color); border-radius: 50%; animation: pulse 1.5s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(82, 196, 26, 0.4); } 70% { box-shadow: 0 0 0 6px rgba(82, 196, 26, 0); } 100% { box-shadow: 0 0 0 0 rgba(82, 196, 26, 0); } }

.ping-grid { display: grid; gap: 20px; grid-template-columns: repeat(3, 1fr); }
.ping-grid.list-mode { grid-template-columns: 1fr; gap: 10px; }

.ping-card {
    background: var(--card-bg); border: 1px solid var(--border-color);
    border-radius: 12px; padding: 16px; transition: var(--transition);
    display: flex; flex-direction: column;
}
.ping-card:hover { border-color: var(--primary-color); box-shadow: 0 4px 12px rgba(0,0,0,0.05); }

.node-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; position: relative; }
.node-name { font-weight: 700; color: var(--text-color); font-size: 15px; white-space: nowrap; }
.provider-tag { 
    font-size: 11px; padding: 2px 8px; border-radius: 4px; 
    background: rgba(24, 144, 255, 0.1); color: #1890ff; font-weight: 600;
    border: 1px solid rgba(24, 144, 255, 0.2); white-space: nowrap;
}
.provider-float {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(24, 144, 255, 0.1);
    color: #1890ff;
    font-weight: 600;
    border: 1px solid rgba(24, 144, 255, 0.2);
    pointer-events: auto;
    white-space: nowrap;
}
.ping-card .provider-float .tooltip-content {
    bottom: auto;
    top: 100%;
    left: auto;
    right: 0;
    transform: translateY(5px);
    margin-top: 0;
    margin-bottom: 0;
}
.ping-card .provider-float .tooltip-content::after {
    top: auto;
    bottom: 100%;
    left: auto;
    right: 10px;
    margin-left: 0;
    border-color: transparent transparent #222 transparent;
}
.ping-card .provider-float:hover .tooltip-content { transform: translateY(10px); }

.meta-row {
    display: flex; justify-content: space-between; font-size: 12px;
    color: var(--text-tertiary); margin-bottom: 12px; font-family: 'Roboto Mono', monospace; white-space: nowrap;
}
.meta-left { display: flex; gap: 6px; align-items: center; position: relative;}
.meta-right { display: flex; align-items: center; }

/* 提示层容器 - 单例模式 */
.info-tooltip {
    position: fixed; /* 改为 fixed 定位，脱离文档流，减少重排 */
    display: none; /* 默认隐藏 */
    top: 0;
    left: 0;
    min-width: 200px;
    max-width: none;
    width: max-content;

    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    color: var(--text-color);
    z-index: 9999; /* 确保在最上层 */
    pointer-events: none; /* 防止鼠标事件干扰 */

    /* 简单的淡入动画 */
    opacity: 0;
    transition: opacity 0.15s ease-out;
}

.info-tooltip.visible {
    display: block;
    opacity: 1;
}

/* 提示层内部文字样式 */
.tooltip-text {
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-secondary);
}

/* 提示层内部 HTML 表格样式 */
.tooltip-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    margin-top: 4px;
}

.tooltip-table th {
    text-align: left;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 4px;
}

.tooltip-table td {
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    padding: 4px;
}

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

.stats-container {
    display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px;
    margin-bottom: 8px; font-size: 13px; color: var(--text-secondary);
}
.stat-item { display: flex; align-items: center; white-space: nowrap; padding: 0 3px; }
.stat-label { margin-right: 4px; }
.stat-val { display: inline-block; width: 34px; text-align: right; font-family: 'Roboto Mono', monospace; font-weight: 600; font-size: 13px;}
.stat-val.long { min-width: 60px; }

.val-green { color: var(--primary-color); }
.val-red { color: var(--error-color); }
.val-yellow { color: var(--warning-color); }

.http-method { flex: 0 0 120px; min-width: 100px; height: 44px; }
.http-input { flex: 1 1 360px; min-width: 200px; }
.http-card .meta-row { gap: 8px; }
.http-waterfall {
    height: 10px; display: flex; align-items: center; gap: 2px;
    background: var(--chart-bg); padding: 2px; border-radius: 6px; margin-top: 8px;
}
.http-waterfall-empty { font-size: 11px; color: var(--text-tertiary); padding: 0 4px; }
.wf-segment { height: 100%; border-radius: 4px; }
.wf-dns { background: #5b8ff9; }
.wf-tcp { background: #61d9a5; }
.wf-tls { background: #9270ca; }
.wf-ttfb { background: #f6bd16; }
.wf-payload { background: #e8684a; }
.http-error { border-color: var(--error-color); }
.http-error .node-name { color: var(--error-color); }
.http-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: visible;
}
.http-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    z-index: 50;
}
.http-card .node-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; position: relative; overflow: visible; }
.http-card .node-name { font-weight: 700; color: var(--text-color); font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.provider-trigger { position: relative; cursor: help; display: inline-block; }
.tooltip-content {
    position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%) translateY(10px);
    margin-bottom: 8px;
    width: max-content; max-width: 300px;
    max-height: 300px; overflow-y: auto;
    background-color: #222; color: #f0f0f0; padding: 12px; border-radius: 8px;
    font-family: 'Roboto Mono', monospace; font-size: 11px; line-height: 1.5;
    opacity: 0; visibility: hidden; transition: all 0.2s var(--ease-out); z-index: 1000;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3); text-align: left;
    white-space: pre-wrap; word-break: break-word; overflow-wrap: break-word;
    pointer-events: none;
}
.tooltip-content::after {
    content: ''; position: absolute; top: 100%; left: 50%; margin-left: -6px;
    border-width: 6px; border-style: solid; border-color: #222 transparent transparent transparent;
}
.provider-trigger:hover .tooltip-content,
.ip-trigger:hover .tooltip-content,
.redirect-trigger:hover .tooltip-content,
.header-trigger:hover .tooltip-content {
    opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.ip-tag-row {
    display: flex; gap: 8px; align-items: center;
    margin-top: 8px; padding-top: 8px;
    border-top: 1px solid rgba(255,255,255,0.15);
}
.ip-tag-label { color: var(--text-tertiary); font-weight: 600; margin-right: 4px; }
.ip-tag {
    font-size: 10px; padding: 1px 6px; border-radius: 4px;
    font-weight: 600; font-family: 'Roboto Mono', monospace;
}
.ip-tag.supported {
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    background: rgba(82, 196, 26, 0.1);
}
.ip-tag.unsupported {
    border: 1px dashed var(--error-color);
    color: var(--error-color);
    background: rgba(255, 77, 79, 0.08);
    opacity: 0.8;
}
.http-card .provider-float {
    position: static; left: auto; top: auto;
    font-size: 11px; padding: 2px 8px; border-radius: 4px;
    background: rgba(24, 144, 255, 0.1); color: #1890ff; font-weight: 600;
    border: 1px solid rgba(24, 144, 255, 0.2);
    pointer-events: auto;
}
.http-card .provider-float .tooltip-content {
    bottom: auto; top: 100%;
    left: auto; right: 0;
    transform: translateY(5px);
    margin-top: 0; margin-bottom: 0;
}
.http-card .provider-float .tooltip-content::after {
    top: auto; bottom: 100%; left: auto; right: 10px; margin-left: 0;
    border-color: transparent transparent #222 transparent;
}
.http-card .provider-float:hover .tooltip-content {
    transform: translateY(10px);
}
.provider-col-container,
.list-col-status,
.list-col-protocol,
.list-col-time { display: none; }
.provider-col {
    position: relative;
    padding: 2px 8px; border-radius: 4px; background: rgba(24, 144, 255, 0.1);
    border: 1px solid rgba(24, 144, 255, 0.2);
    white-space: nowrap;
    max-width: 100%;
    font-size: 11px; color: #1890ff; font-weight: 600;
    display: inline-block;
    overflow: visible !important;
}
.provider-col .tooltip-content {
    bottom: auto; top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    margin-top: 0;
}
.provider-col .tooltip-content::after {
    top: auto; bottom: 100%;
    border-color: transparent transparent #222 transparent;
}
.provider-col:hover .tooltip-content { transform: translateX(-50%) translateY(10px); }
.tech-badges-row { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 2px; }
.tech-badge { font-size: 10px; padding: 1px 5px; border-radius: 3px; font-weight: 500; background: rgba(0,0,0,0.04); color: var(--text-secondary); border: 1px solid rgba(0,0,0,0.05); display: flex; align-items: center; gap: 3px; }
.tech-badge.server { color: #722ed1; background: rgba(114, 46, 209, 0.08); border-color: rgba(114, 46, 209, 0.15); }
.tech-badge.enc { color: #fa8c16; background: rgba(250, 140, 22, 0.08); border-color: rgba(250, 140, 22, 0.15); }
.tech-badge.cache-hit { color: #52c41a; background: rgba(82, 196, 26, 0.1); border-color: rgba(82, 196, 26, 0.2); }
.tech-badge.cache-miss { color: #faad14; background: rgba(250, 173, 20, 0.1); border-color: rgba(250, 173, 20, 0.2); }
.tech-badge.ka-on { color: #13c2c2; background: rgba(19, 194, 194, 0.1); border-color: rgba(19, 194, 194, 0.2); }
.tech-badge.ka-off { color: #999; }
.result-body { display: flex; flex-direction: column; gap: 12px; }
.grid-summary-row {
    display: flex; justify-content: space-between; align-items: flex-start;
    background: var(--hover-bg); border-radius: 8px; padding: 10px;
}
.grid-left { display: flex; flex-direction: column; gap: 6px; }
.grid-right { text-align: right; display: flex; flex-direction: column; justify-content: center; }
.grid-badge-row { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.grid-meta-row { font-size: 11px; color: var(--text-secondary); }
.status-badge {
    padding: 4px 10px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 14px;
    font-family: 'Roboto Mono', monospace;
    display: inline-block;
    text-align: center;
}
.status-2xx { background: rgba(82, 196, 26, 0.15); color: var(--primary-color); }
.status-3xx { background: rgba(24, 144, 255, 0.15); color: var(--info-color); }
.status-4xx, .status-5xx { background: rgba(255, 77, 79, 0.15); color: var(--error-color); }
.status-pending { background: rgba(0,0,0,0.05); color: var(--text-tertiary); }
.protocol-badge {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(0,0,0,0.04);
    color: var(--text-secondary);
    border: 1px solid rgba(0,0,0,0.05);
    font-weight: 600;
    font-family: 'Roboto Mono', monospace;
}
.protocol-badge.tiny { font-size: 8px; padding: 1px 4px; }
.total-time-display { font-size: 18px; font-weight: 700; font-family: 'Roboto Mono', monospace; color: var(--text-color); }
.size-display { font-size: 12px; color: var(--text-secondary); font-weight: 600; margin: 2px 0; }
.speed-display { font-size: 11px; color: var(--text-tertiary); }
.waterfall-container { margin-top: auto; }
.waterfall-bar {
    height: 8px;
    width: 100%;
    display: flex;
    border-radius: 4px;
    overflow: hidden;
    background: var(--border-color);
    margin-bottom: 10px;
}
.metrics-grid { display: flex; flex-wrap: wrap; gap: 10px; font-size: 11px; color: var(--text-secondary); }
.metric-item { display: flex; align-items: center; gap: 4px; }
.metric-value { font-weight: 600; color: var(--text-color); }
.dot-legend { display: inline-block; width: 6px; height: 6px; border-radius: 50%; margin-right: 4px; }
.wf-segment { height: 100%; position: relative; transition: width 0.5s ease-out; }
.wf-dns { background: var(--color-dns); }
.wf-tcp { background: var(--color-tcp); }
.wf-ssl { background: var(--color-ssl); }
.wf-ttfb { background: var(--color-ttfb); }
.wf-dl { background: var(--color-download); }
.http-card .meta-row { display: flex; gap: 10px; font-size: 12px; color: var(--text-tertiary); margin-bottom: 12px; font-family: 'Roboto Mono', monospace; flex-wrap: wrap; }
.md5-row { font-size: 10px; font-family: 'Roboto Mono', monospace; color: var(--text-tertiary); margin-top: 4px; display: flex; align-items: center; gap: 4px; white-space: nowrap; overflow: hidden; }
.md5-error { color: var(--error-color) !important; font-weight: bold; animation: pulse 2s infinite; }
.ssl-date { font-size: 10px; color: var(--text-tertiary); display: flex; align-items: center; gap: 3px; margin-top: 4px; }
.md5-val { max-width: 140px; overflow: hidden; text-overflow: ellipsis; }
.tooltip-content::-webkit-scrollbar { width: 4px; }
.tooltip-content::-webkit-scrollbar-thumb { background: #555; border-radius: 2px; }
.ip-trigger, .redirect-trigger, .header-trigger { position: relative; cursor: help; border-bottom: 1px dashed var(--border-color); display: inline-flex; align-items: center; gap: 4px; }
.ip-trigger .tooltip-content,
.redirect-trigger .tooltip-content,
.header-trigger .tooltip-content {
    left: 0; transform: translateY(10px);
}
.ip-trigger .tooltip-content::after,
.redirect-trigger .tooltip-content::after,
.header-trigger .tooltip-content::after {
    left: 20px;
}
.header-trigger { cursor: pointer; font-size: 11px; color: var(--text-secondary); margin-top: 4px; }
.protocol-row { display: flex; align-items: center; gap: 4px; }
.version-row { font-size: 11px; color: var(--text-secondary); }
.list-time-val { font-size: 14px; font-weight: 700; color: var(--text-color); }
.list-speed-val { font-size: 12px; color: var(--primary-color); font-weight: 600; }
.waterfall-info-row { display: flex; flex-direction: column; width: 100%; margin-top: 8px; gap: 6px; }
.waterfall-info-row .metrics-grid { width: 100%; padding-bottom: 6px; border-bottom: 1px dashed var(--border-color); }
.tech-badges-list-mode { width: 100%; display: flex; flex-wrap: wrap; gap: 6px; }
.tech-badges-list-mode .tech-badges-row { margin-top: 0; flex-wrap: wrap; }
.ping-grid.list-mode .http-card { flex-direction: row; align-items: center; padding: 10px 16px; gap: 16px; height: auto; }
@media (min-width: 1400px) {
    .ping-grid.list-mode .provider-float { display: none !important; }
    .ping-grid.list-mode .provider-col-container { display: flex; width: 100px; flex-shrink: 0; align-items: center; font-size: 12px; color: #1890ff; font-weight: 600; }
    .provider-col { padding: 2px 8px; border-radius: 4px; background: rgba(24, 144, 255, 0.1); border: 1px solid rgba(24, 144, 255, 0.2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
    .ping-grid.list-mode .node-header { width: 140px; margin: 0; flex-shrink: 0; flex-direction: column; align-items: flex-start; gap: 4px; }
    .ping-grid.list-mode .meta-row { width: 150px; margin: 0; flex-shrink: 0; flex-direction: column; gap: 4px; justify-content: center; overflow: visible; }
    .ping-grid.list-mode .md5-val { max-width: 140px; }
    .ping-grid.list-mode .result-body { flex: 1; flex-direction: row; align-items: center; gap: 0; width: 100%; overflow: visible; }
    .ping-grid.list-mode .grid-summary-row { display: none; }
    .ping-grid.list-mode .list-col-status { display: flex; width: 110px; flex-shrink: 0; flex-direction: column; justify-content: center; gap: 6px; font-size: 12px; align-items: flex-start; }
    .ping-grid.list-mode .list-col-protocol { display: flex; width: 140px; flex-shrink: 0; flex-direction: column; gap: 4px; border-left: 1px solid var(--border-color); padding-left: 16px; }
    .ping-grid.list-mode .list-col-time { display: flex; width: 120px; flex-shrink: 0; flex-direction: column; justify-content: center; text-align: right; border-left: 1px solid var(--border-color); padding-left: 16px; }
    .ping-grid.list-mode .waterfall-container { display: flex; flex-direction: column; justify-content: center; flex: 1; min-width: 150px; padding: 0 20px; border-left: 1px solid var(--border-color); margin-left: 16px; height: 100%; min-height: 40px; }
    .ping-grid.list-mode .waterfall-bar { height: 6px; margin-bottom: 6px; }
    .ping-grid.list-mode .tech-badges-row { margin-top: 0; flex-wrap: nowrap; }
}
@media (min-width: 1000px) and (max-width: 1399px) {
    .ping-grid.list-mode .provider-col-container { display: none !important; }
    .ping-grid.list-mode .node-header { width: 140px; margin: 0; flex-shrink: 0; display: flex; flex-direction: column; align-items: flex-start; gap: 4px; position: relative; overflow: visible; }
    .ping-grid.list-mode .provider-float { display: block !important; position: absolute; top: -12px; right: 0; font-size: 9px; padding: 1px 4px; background: rgba(24, 144, 255, 0.08); border: none; color: #1890ff; line-height: 1; transform: none; max-width: 70px; overflow: visible; text-overflow: ellipsis; white-space: nowrap; }
    .ping-grid.list-mode .meta-row { width: 130px; margin: 0; flex-shrink: 0; flex-direction: column; gap: 4px; justify-content: center; overflow: visible; }
    .ping-grid.list-mode .md5-val { max-width: 120px; }
    .ping-grid.list-mode .result-body { flex: 1; flex-direction: row; align-items: center; gap: 0; width: 100%; overflow: visible; }
    .ping-grid.list-mode .grid-summary-row { display: none; }
    .ping-grid.list-mode .list-col-status { display: flex; width: 100px; flex-shrink: 0; flex-direction: column; justify-content: center; gap: 6px; font-size: 12px; align-items: flex-start; }
    .ping-grid.list-mode .list-col-protocol { display: flex; width: 120px; flex-shrink: 0; flex-direction: column; gap: 4px; border-left: 1px solid var(--border-color); padding-left: 10px; }
    .ping-grid.list-mode .list-col-time { display: flex; width: 110px; flex-shrink: 0; flex-direction: column; justify-content: center; text-align: right; border-left: 1px solid var(--border-color); padding-left: 10px; }
    .ping-grid.list-mode .waterfall-container { display: flex; flex-direction: column; justify-content: center; flex: 1; min-width: 120px; padding: 0 15px; border-left: 1px solid var(--border-color); margin-left: 10px; height: 100%; min-height: 40px; }
    .ping-grid.list-mode .waterfall-bar { height: 6px; margin-bottom: 6px; }
    .ping-grid.list-mode .tech-badges-row { margin-top: 0; flex-wrap: nowrap; }
}
@media (max-width: 999px) {
    .ssl-date { margin-top: 4px; }
    .ping-grid { grid-template-columns: repeat(2, 1fr); }
    .ping-grid.list-mode .http-card { flex-direction: column; align-items: stretch; gap: 12px; }
    .ping-grid.list-mode .node-header, .ping-grid.list-mode .meta-row { width: 100%; flex-direction: row; justify-content: space-between; align-items: center; }
    .ping-grid.list-mode .result-body { flex-direction: column; }
    .ping-grid.list-mode .grid-summary-row { display: flex; }
    .ping-grid.list-mode .provider-col-container,
    .ping-grid.list-mode .list-col-status,
    .ping-grid.list-mode .list-col-protocol,
    .ping-grid.list-mode .list-col-time,
    .ping-grid.list-mode .waterfall-container { display: none !important; }
    .ping-grid.list-mode .waterfall-container { display: block !important; padding: 0; border: none; margin: 0; }
    .ping-grid.list-mode .provider-float { display: inline-block !important; }
    .waterfall-info-row { display: none; }
}

.ping-chart {
    height: 50px; display: flex; align-items: flex-end; gap: 1px;
    margin-top: 8px; background: var(--chart-bg); padding: 3px;
    border-radius: 6px; overflow: hidden;
}
.ping-bar {
    flex: 1; min-width: 0; background-color: var(--border-color);
    opacity: 0.2; border-radius: 1px; transition: height 0.1s; height: 0;
}
.ping-bar.filled { opacity: 1; }
.ping-bar.success-dark { background-color: #006400; } /* Dark Green */
.ping-bar.success-light { background-color: #90EE90; } /* Light Green */
.ping-bar.medium { background-color: #FFA500; } /* Yellow/Orange */
.ping-bar.high { background-color: var(--error-color); }
.ping-bar.timeout { 
    background-color: var(--error-color) !important; height: 100% !important; 
    opacity: 1 !important; box-shadow: 0 0 1px var(--error-color);
}

/* Single Mode Display */
.single-result-display {
    height: 80px; display: none; align-items: center; justify-content: center;
    margin-top: 8px; background: var(--chart-bg); border-radius: 6px;
    font-family: 'Roboto Mono', monospace;
}
.result-value { font-size: 24px; font-weight: 700; }
.result-value.pending { color: var(--text-tertiary); font-size: 12px; }
.result-value.success { color: var(--primary-color); }
.result-value.error { color: var(--error-color); }
@keyframes blink { 50% { opacity: 0.5; } }

/* Mode Toggles */
.ping-grid.mode-continuous .stats-container,
.ping-grid.mode-continuous .ping-chart { display: grid; }
.ping-grid.mode-continuous .ping-chart { display: flex; }
.ping-grid.mode-continuous .single-result-display { display: none; }

.ping-grid.mode-single .stats-container,
.ping-grid.mode-single .ping-chart { display: none; }
.ping-grid.mode-single .single-result-display { display: flex; }

/* === List Mode === */
.ping-grid.list-mode .ping-card {
    flex-direction: row; align-items: center; padding: 8px 16px; gap: 10px;
    flex-wrap: nowrap; overflow: visible;
}
.ping-grid.list-mode .ping-card .node-header { 
    margin: 0; width: 130px; flex-shrink: 0; justify-content: flex-start; gap: 8px; 
}
.ping-grid.list-mode .ping-card .node-name { overflow: hidden; text-overflow: ellipsis; font-size: 12px; }
.ping-grid.list-mode .ping-card .provider-tag { font-size: 10px; }
.ping-grid.list-mode .ping-card .provider-float { max-width: 130px; }
.ping-grid.list-mode .ping-card .meta-row { 
    margin: 0; flex-shrink: 1; gap: 12px; flex-direction: row; width: auto; 
    min-width: 0; overflow: hidden;
}
.ping-grid.list-mode .ping-card .stats-container { 
    display: flex; gap: 8px; margin: 0; flex: 1; justify-content: flex-end; flex-shrink: 0;
}
.ping-grid.list-mode .ping-card .ping-chart { 
    margin: 0; width: 220px; height: 40px; flex-shrink: 0; 
}
.ping-grid.list-mode .ping-card .http-waterfall {
    margin: 0; width: 220px; height: 10px; flex-shrink: 0;
}
.ping-grid.list-mode.mode-single .ping-card .single-result-display {
    margin: 0; width: 220px; height: 40px; flex-shrink: 0; font-size: 18px;
}

@media (max-width: 992px) { .ping-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
    .ping-grid { grid-template-columns: 1fr; }
    
    .control-panel { flex-direction: column; align-items: stretch; }
    .input-group { width: 100%; flex-wrap: wrap; }
    .input { flex: 1 1 100%; }
    .btn { flex: 1; }
    .segmented-control { flex: 1; display: flex; }
    .segment-label { flex: 1; text-align: center; }
    
    .cont-warn-icon { display: none !important; }
    
    .controls-right { display: none; }
    
    .ping-grid.list-mode .ping-card { flex-direction: column; align-items: stretch; gap: 12px; height: auto; }
    .ping-grid.list-mode .ping-card .node-header { width: auto; justify-content: space-between; }
    .ping-grid.list-mode .ping-card .meta-row { flex-direction: row; width: auto; justify-content: space-between; }
    .ping-grid.list-mode .ping-card .stats-container { display: grid; grid-template-columns: 1fr 1fr 1fr; justify-content: stretch; }
    .ping-grid.list-mode .ping-card .ping-chart { width: auto; height: 50px; }
    .ping-grid.list-mode .ping-card .http-waterfall { width: auto; height: 10px; }
    .ping-grid.list-mode.mode-single .ping-card .single-result-display { width: auto; height: 60px; }
    
    .ping-grid .ping-card .node-header {
        justify-content: flex-start;
        gap: 8px;
    }
    .ping-grid .ping-card .provider-float {
        position: static;
        top: auto;
        font-size: 11px;
        line-height: 1.5;
        margin-left: 0;
    }
}

.ping-chart canvas {
    width: 100%;
    height: 100%;
    display: block;
}

@media (min-width: 1410px) {
    .container {
        max-width: 1400px;
    }
}