:root {
    --trkp-bg: #f5f6f8;
    --trkp-card-bg: #ffffff;
    --trkp-border: #e1e4e8;
    --trkp-primary: #2d6cdf;
    --trkp-text: #1f2328;
    --trkp-muted: #6a737d;
    --trkp-danger: #d64545;
    --trkp-success: #1a7f37;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--trkp-bg);
    color: var(--trkp-text);
}

.trkp-header {
    background: #fff;
    border-bottom: 1px solid var(--trkp-border);
}
.trkp-header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.trkp-logo { font-weight: 700; font-size: 18px; }
.trkp-header nav a {
    margin-left: 16px;
    color: var(--trkp-text);
    text-decoration: none;
    font-size: 14px;
}
.trkp-header nav a:hover { color: var(--trkp-primary); }

.trkp-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 24px 20px 60px;
}

.trkp-card {
    background: var(--trkp-card-bg);
    border: 1px solid var(--trkp-border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.trkp-inline-form { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; }
.trkp-inline-form label, form label { display: flex; flex-direction: column; font-size: 13px; color: var(--trkp-muted); gap: 4px; }
input[type="text"], input[type="password"] {
    padding: 8px 10px;
    border: 1px solid var(--trkp-border);
    border-radius: 6px;
    font-size: 14px;
    min-width: 220px;
}
button {
    padding: 8px 14px;
    border: none;
    border-radius: 6px;
    background: var(--trkp-primary);
    color: #fff;
    cursor: pointer;
    font-size: 13px;
}
button:hover { opacity: 0.9; }
.trkp-btn-danger { background: var(--trkp-danger); }

.trkp-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.trkp-table th, .trkp-table td { text-align: left; padding: 10px; border-bottom: 1px solid var(--trkp-border); vertical-align: top; }

.trkp-embed-code { width: 260px; font-family: monospace; font-size: 12px; resize: vertical; }

.trkp-actions form { display: inline-block; margin-right: 6px; margin-bottom: 6px; }

.trkp-badge { padding: 3px 8px; border-radius: 12px; font-size: 12px; }
.trkp-badge-on { background: #e5f5ea; color: var(--trkp-success); }
.trkp-badge-off { background: #fbeaea; color: var(--trkp-danger); }

.trkp-alert-success { background: #e5f5ea; color: var(--trkp-success); padding: 10px 14px; border-radius: 6px; }
.trkp-alert-error { background: #fbeaea; color: var(--trkp-danger); padding: 10px 14px; border-radius: 6px; }

.trkp-stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin: 20px 0; }
.trkp-stat { text-align: center; }
.trkp-stat-value { display: block; font-size: 32px; font-weight: 700; color: var(--trkp-primary); }
.trkp-stat span:last-child { font-size: 13px; color: var(--trkp-muted); }

.trkp-truncate { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.trkp-session-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px 24px; font-size: 14px; }
.trkp-session-summary strong { color: var(--trkp-muted); font-weight: 600; margin-right: 4px; }

.trkp-timeline { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--trkp-border); }
.trkp-timeline-item { position: relative; padding: 0 0 20px 24px; }
.trkp-timeline-item::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--trkp-primary);
    border: 2px solid #fff;
}
.trkp-timeline-event::before { background: #f5a623; }
.trkp-timeline-time { font-size: 12px; color: var(--trkp-muted); margin-bottom: 2px; }
.trkp-timeline-content { font-size: 14px; }
.trkp-timeline-icon { margin-right: 4px; }
.trkp-timeline-sub { font-size: 12px; color: var(--trkp-muted); word-break: break-all; margin-top: 2px; }
.trkp-timeline-meta { font-size: 12px; color: var(--trkp-muted); margin-top: 4px; }

.trkp-pagination { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 16px; font-size: 14px; }
.trkp-pagination a { color: var(--trkp-primary); text-decoration: none; }
.trkp-pagination a:hover { text-decoration: underline; }
.trkp-pagination-disabled { color: var(--trkp-border); }
.trkp-pagination-info { color: var(--trkp-muted); }

.trkp-live-header { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.trkp-live-dot {
    display: inline-block; width: 9px; height: 9px; border-radius: 50%;
    background: var(--trkp-success); margin-left: 8px;
    animation: trkp-pulse 1.6s ease-in-out infinite;
}
@keyframes trkp-pulse {
    0% { opacity: 1; } 50% { opacity: 0.25; } 100% { opacity: 1; }
}
.trkp-live-meta { font-size: 12px; color: var(--trkp-muted); }

.trkp-status-tags { display: flex; flex-wrap: wrap; gap: 4px; min-width: 260px; }
.trkp-tag {
    display: inline-block; padding: 2px 8px; border-radius: 10px;
    font-size: 11px; background: #eef2ff; color: var(--trkp-primary); white-space: nowrap;
}
.trkp-tag-new { background: #e5f5ea; color: var(--trkp-success); font-weight: 600; }
.trkp-tag-muted { background: #f0f1f2; color: var(--trkp-muted); }

.trkp-page-cell { max-width: 220px; }
.trkp-page-site { font-weight: 600; font-size: 12px; }
.trkp-page-path { font-size: 12px; color: var(--trkp-muted); }

.trkp-main-row td { border-bottom: none; padding-bottom: 4px; }
.trkp-sub-row td { padding-top: 0; }
.trkp-sub-row { background: #fafbfc; }

.trkp-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    font-size: 12px;
    color: var(--trkp-muted);
    padding: 8px 4px 12px;
    border-bottom: 1px solid var(--trkp-border);
}
.trkp-detail-col h4 { margin: 0 0 4px; font-size: 11px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--trkp-text); }
.trkp-detail-col div { margin-bottom: 2px; word-break: break-word; }
.trkp-detail-mono { font-family: monospace; font-size: 11px; }
.trkp-detail-pages ul { list-style: none; margin: 0; padding: 0; }
.trkp-detail-pages li { margin-bottom: 4px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.trkp-detail-page-title { max-width: 160px; display: inline-block; vertical-align: bottom; }

.trkp-detail-events ul { list-style: none; margin: 0; padding: 0; }
.trkp-detail-events li { margin-bottom: 3px; }
.trkp-detail-time { color: var(--trkp-primary); font-weight: 600; margin-right: 4px; }
.trkp-detail-empty { font-style: italic; }

.trkp-auth-page { display: flex; align-items: center; justify-content: center; height: 100vh; }
.trkp-auth-box { background: #fff; border: 1px solid var(--trkp-border); border-radius: 10px; padding: 32px; width: 320px; }
.trkp-auth-box h1 { font-size: 18px; margin-top: 0; }
.trkp-auth-box form { display: flex; flex-direction: column; gap: 12px; }

/* ============================================================
   LIVECHAT - khung hội thoại phía admin
   ============================================================ */
.trkp-lc-thread {
    max-height: 420px;
    overflow-y: auto;
    padding: 12px;
    background: var(--trkp-bg);
    border: 1px solid var(--trkp-border);
    border-radius: 8px;
    margin-bottom: 12px;
}
.trkp-lc-row { display: flex; margin-bottom: 8px; }
.trkp-lc-row-guest { justify-content: flex-start; }
.trkp-lc-row-admin { justify-content: flex-end; }
.trkp-lc-bubble-msg {
    max-width: 70%;
    padding: 8px 12px;
    border-radius: 12px;
    font-size: 14px;
    white-space: pre-wrap;
    word-break: break-word;
}
.trkp-lc-row-guest .trkp-lc-bubble-msg { background: #fff; border: 1px solid var(--trkp-border); }
.trkp-lc-row-admin .trkp-lc-bubble-msg { background: var(--trkp-primary); color: #fff; }
.trkp-lc-bubble-time { font-size: 10px; opacity: .7; margin-top: 4px; }
.trkp-lc-reply-form { display: flex; gap: 8px; }
.trkp-lc-reply-form textarea {
    flex: 1;
    border: 1px solid var(--trkp-border);
    border-radius: 6px;
    padding: 8px 10px;
    font-size: 14px;
    resize: vertical;
    font-family: inherit;
}

/* ============================================================
   LIVECHAT GRID
   ============================================================ */
.trkp-container-wide { max-width: 1400px; }
.trkp-lc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, 300px);
    justify-content: start;
    gap: 16px;
    margin-top: 16px;
}
.trkp-lc-card {
    width: 300px;
    background: var(--trkp-card-bg);
    border: 1px solid var(--trkp-border);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
    transition: box-shadow .15s ease;
}
.trkp-lc-card:hover { box-shadow: 0 6px 16px rgba(0,0,0,.12); }
.trkp-lc-card-header {
    padding: 10px 12px;
    border-bottom: 1px solid var(--trkp-border);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.trkp-lc-card-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--trkp-primary), #5aa0ff);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}
.trkp-lc-card-title { min-width: 0; flex: 1; }
.trkp-lc-card-name { display: flex; align-items: center; gap: 6px; }
.trkp-lc-card-name strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 150px;
}
.trkp-lc-card-status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--trkp-success); flex-shrink: 0; }
.trkp-lc-card-phone { color: var(--trkp-muted); font-weight: 400; }
.trkp-lc-card-site { font-size: 11px; color: var(--trkp-muted); margin-top: 2px; }
.trkp-lc-card-thread {
    flex: 1;
    min-height: 180px;
    max-height: 260px;
    overflow-y: auto;
    padding: 10px;
    background: var(--trkp-bg);
}
.trkp-lc-card-composer { display: flex; gap: 6px; padding: 8px; border-top: 1px solid var(--trkp-border); background: #fff; }
.trkp-lc-card-composer input {
    flex: 1;
    border: 1px solid var(--trkp-border);
    border-radius: 999px;
    padding: 7px 12px;
    font-size: 13px;
}
.trkp-lc-card-composer input:focus { outline: none; border-color: var(--trkp-primary); }
.trkp-lc-card-composer button {
    background: var(--trkp-primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    font-weight: 600;
    cursor: pointer;
}

/* ============================================================
   TOAST - chuông báo nổi góc màn hình
   ============================================================ */
.trkp-toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 999999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 340px;
}
.trkp-toast {
    background: #1f2328;
    color: #fff;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    display: flex;
    gap: 8px;
    align-items: flex-start;
    box-shadow: 0 4px 12px rgba(0,0,0,.25);
    text-decoration: none;
    opacity: 1;
    transition: opacity .4s ease;
}
.trkp-toast-icon { font-size: 16px; flex-shrink: 0; }
.trkp-toast-hide { opacity: 0; }