:root{
    --bg:#f1f5f9; --card:#ffffff; --text:#0f172a; --muted:#64748b;
    --border:#e2e8f0; --primary:#6366f1; --primary-d:#4f46e5;
    --green:#10b981; --red:#ef4444; --amber:#f59e0b; --blue:#3b82f6;
    --radius:12px; --shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none !important}
body{
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
    background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none}

/* ---------- SVG icons ---------- */
svg.ic{width:18px;height:18px;flex-shrink:0;vertical-align:middle;display:inline-block}
.btn svg.ic{width:16px;height:16px}
.btn-icon svg.ic{width:16px;height:16px;display:block}
.pill svg.ic{width:13px;height:13px}
.badge svg.ic{width:11px;height:11px}
.brand svg.ic{width:22px;height:22px;color:var(--primary)}
.user-chip svg.ic{width:15px;height:15px;vertical-align:-2px}
.auth-logo svg.ic{width:46px;height:46px;color:var(--primary)}
.empty-icon svg.ic{width:52px;height:52px;color:#cbd5e1}
.ns-alert-flag svg.ic{width:13px;height:13px}
.spin svg.ic,svg.ic.spin{animation:spin 1s linear infinite}

/* ô tìm kiếm có icon */
.search-box{position:relative;flex:1;min-width:180px}
.search-box svg.ic{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.search-box input{padding-left:36px;width:100%}

/* ---------- Auth ---------- */
.auth-body{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px;
    background:linear-gradient(135deg,#6366f1,#8b5cf6);}
.auth-card{background:var(--card);padding:36px 30px;border-radius:16px;width:100%;max-width:380px;
    box-shadow:0 20px 40px rgba(0,0,0,.2);text-align:center}
.auth-logo{font-size:46px;margin-bottom:8px}
.auth-card h1{font-size:20px;margin-bottom:4px}
.auth-sub{color:var(--muted);margin-bottom:22px;font-size:13px}
.auth-card form{text-align:left}
.auth-card label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin:12px 0 5px}
.auth-card input{width:100%}

/* ---------- Inputs / buttons ---------- */
input,select,textarea{
    width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;
    font-size:14px;font-family:inherit;background:#fff;color:var(--text);outline:none;
}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.15)}
input[type=color]{padding:2px;height:40px;width:48px;cursor:pointer}
.btn{
    display:inline-flex;align-items:center;gap:6px;justify-content:center;
    padding:9px 16px;border:1px solid transparent;border-radius:8px;font-size:14px;font-weight:600;
    cursor:pointer;font-family:inherit;white-space:nowrap;transition:.15s;
}
.btn-sm{padding:6px 12px;font-size:13px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--text)}
.btn-ghost:hover{background:#f8fafc}
.btn-block{width:100%;margin-top:20px}
.btn-icon{padding:6px 9px;font-size:14px;background:#f1f5f9;border:1px solid var(--border);border-radius:7px;cursor:pointer}
.btn-icon:hover{background:#e2e8f0}
.btn-danger-icon:hover{background:#fee2e2;border-color:#fca5a5}

.alert{padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:14px}
.alert-error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}

/* ---------- Topbar ---------- */
.topbar{
    display:flex;align-items:center;justify-content:space-between;
    background:var(--card);padding:12px 20px;box-shadow:var(--shadow);position:sticky;top:0;z-index:50;
}
.brand{font-weight:700;font-size:17px;display:flex;align-items:center;gap:8px}
.topbar-right{display:flex;align-items:center;gap:12px}
.user-chip{font-size:13px;color:var(--muted)}

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

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:20px}
.stat-card{background:var(--card);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);
    border-left:4px solid var(--primary)}
.stat-card.warn{border-color:var(--amber)}
.stat-card.danger{border-color:var(--red)}
.stat-card.alert{border-color:#a855f7}
.stat-num{font-size:28px;font-weight:700}
.stat-label{font-size:12px;color:var(--muted);margin-top:2px}

/* ---------- Toolbar ---------- */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.toolbar #search{flex:1;min-width:180px}
.toolbar select{width:auto;min-width:140px}
.toolbar-actions{display:flex;gap:8px;margin-left:auto;flex-wrap:wrap}

.checkall-progress{display:flex;align-items:center;gap:12px;margin-bottom:14px;font-size:13px;color:var(--muted)}
.progress-bar{flex:1;height:8px;background:var(--border);border-radius:99px;overflow:hidden}
.progress-fill{height:100%;width:0;background:var(--primary);transition:width .2s}

/* ---------- Table ---------- */
.table-wrap{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow-x:auto}
.domain-table{width:100%;border-collapse:collapse}
.domain-table td{white-space:nowrap}
.domain-table th{
    text-align:left;padding:12px 14px;font-size:12px;text-transform:uppercase;letter-spacing:.03em;
    color:var(--muted);background:#f8fafc;border-bottom:1px solid var(--border);white-space:nowrap;
}
.domain-table td{padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
.domain-table tr:last-child td{border-bottom:none}
.domain-table tr:hover td{background:#fafbff}
.th-actions{text-align:right}
.th-drag{width:30px;padding-left:8px!important;padding-right:0!important}
.drag-cell{width:30px;padding-left:8px!important;padding-right:0!important;text-align:center}
.drag-handle{display:inline-flex;color:#cbd5e1}
#domain-body.reorderable .drag-handle{color:#94a3b8;cursor:grab}
#domain-body.reorderable .drag-handle:active{cursor:grabbing}
#domain-body.reorderable tr:hover .drag-handle{color:var(--primary)}
#domain-body tr.dragging{opacity:.45;background:#eef2ff}

/* ẩn/hiện cột */
.domain-table.hide-group .col-group,
.domain-table.hide-purchase .col-purchase,
.domain-table.hide-expiry .col-expiry,
.domain-table.hide-ssl .col-ssl,
.domain-table.hide-ip .col-ip,
.domain-table.hide-ns .col-ns,
.domain-table.hide-watch .col-watch,
.domain-table.hide-tasks .col-tasks{display:none}

/* cột Theo dõi */
.watch-star{display:inline-flex;cursor:pointer;color:#cbd5e1}
.watch-star:hover{transform:scale(1.15)}
.watch-star.w-primary{color:#ef4444}
.watch-star.w-secondary{color:#f59e0b}
.watch-star.w-low{color:#94a3b8}
.watch-days{display:inline-flex;align-items:center;gap:3px;font-size:11px;margin-top:3px;color:var(--muted)}
.watch-days svg.ic{width:12px;height:12px}
.watch-days.w-stale{color:#b91c1c;font-weight:700}
.watch-days.w-fresh{color:#15803d}
.stat-card.watch{border-color:#a855f7;cursor:pointer}
.stat-card.watch:hover{background:#faf5ff}

/* chấm màu mức theo dõi (ticker) */
.watch-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:#cbd5e1;flex-shrink:0;margin-right:7px;vertical-align:middle}
.watch-dot.w-primary{background:#ef4444}
.watch-dot.w-secondary{background:#f59e0b}
.watch-dot.w-low{background:#94a3b8}

/* ===== Trang Theo dõi ===== */
.watch-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.watch-intro{color:var(--muted);font-size:14px}
.watch-list-view{display:flex;flex-direction:column;gap:10px}
.watch-card{display:flex;align-items:stretch;background:var(--card);border:1px solid var(--border);
    border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.watch-card-bar{width:6px;flex-shrink:0;background:#cbd5e1}
.watch-card.sev-ok .watch-card-bar{background:#10b981}
.watch-card.sev-due .watch-card-bar{background:#f59e0b}
.watch-card.sev-urgent .watch-card-bar{background:#ef4444}
.watch-card.sev-critical .watch-card-bar{background:#991b1b}
.watch-card-body{flex:1;padding:12px 14px;min-width:0}
.watch-card-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.watch-card-name{font-weight:700;font-size:15px;color:var(--text);word-break:break-all}
.watch-card-name:hover{color:var(--primary)}
.watch-card-msg{font-size:13px;color:var(--muted);margin-top:5px}
.watch-lvl-badge{font-size:11px;font-weight:700;padding:1px 8px;border-radius:99px;background:#e2e8f0;color:#475569}
.watch-lvl-badge.w-primary{background:#fee2e2;color:#b91c1c}
.watch-lvl-badge.w-secondary{background:#fef3c7;color:#b45309}
.watch-lvl-badge.w-low{background:#f1f5f9;color:#64748b}
.sev-tag{font-size:11px;font-weight:700;padding:1px 9px;border-radius:99px}
.sev-tag.sev-ok{background:#dcfce7;color:#15803d}
.sev-tag.sev-due{background:#fef3c7;color:#b45309}
.sev-tag.sev-urgent{background:#fee2e2;color:#b91c1c}
.sev-tag.sev-critical{background:#991b1b;color:#fff}
.watch-card-days{display:flex;flex-direction:column;align-items:center;justify-content:center;
    padding:0 16px;border-left:1px solid var(--border);flex-shrink:0}
.wcd-num{font-size:24px;font-weight:800;line-height:1}
.watch-card.sev-urgent .wcd-num,.watch-card.sev-critical .wcd-num{color:#b91c1c}
.wcd-lbl{font-size:11px;color:var(--muted)}
.watch-card-actions{display:flex;flex-direction:column;gap:6px;justify-content:center;padding:0 14px;flex-shrink:0}

/* modal checklist */
.modal-box-lg{max-width:640px}
.watch-setup-toolbar{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.watch-setup-toolbar input{flex:1;min-width:160px}
.watch-setup-list{max-height:55vh;overflow:auto;display:flex;flex-direction:column;gap:6px}
.ws-row{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--border);border-radius:8px}
.ws-name{flex:1;font-weight:600;font-size:14px;word-break:break-all}
.ws-select{width:auto;min-width:150px;flex-shrink:0}
@media(max-width:600px){
    .watch-card{flex-wrap:wrap}
    .watch-card-days{border-left:none;flex-direction:row;gap:6px;padding:6px 14px;align-items:baseline}
    .watch-card-actions{flex-direction:row;padding:0 14px 10px}
    .ws-select{min-width:120px}
}

.col-menu-wrap{position:relative}
.col-menu{position:absolute;top:calc(100% + 6px);left:0;z-index:60;background:var(--card);
    border:1px solid var(--border);border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.15);
    padding:8px;min-width:180px}
.col-menu label{display:flex;align-items:center;gap:9px;padding:7px 10px;border-radius:7px;
    font-size:14px;font-weight:500;cursor:pointer}
.col-menu label:hover{background:#f1f5f9}
.col-menu input{width:auto;margin:0}

/* hiệu ứng dòng vừa thêm */
@keyframes rowNewFlash{0%{background:#dbeafe}100%{background:transparent}}
#domain-body tr.row-new td{animation:rowNewFlash 2s ease-out}

.dname{font-weight:600;font-size:14px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.dthumb{width:48px;height:30px;object-fit:cover;object-position:top;border:1px solid var(--border);
    border-radius:5px;cursor:pointer;background:#f1f5f9;flex-shrink:0}
.dthumb:hover{border-color:var(--primary)}
.detail-shot{width:100%;max-width:560px;border:1px solid var(--border);border-radius:10px;display:block;background:#f1f5f9}
.dname-link{color:var(--text);cursor:pointer}
.dname-link:hover{color:var(--primary);text-decoration:underline}
.dname-ext{color:#94a3b8;display:inline-flex}
.dname-ext:hover{color:var(--primary)}
.dname-ext svg.ic{width:13px;height:13px}

/* Modal chi tiết */
.detail-actions{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.detail-section{margin-bottom:18px}
.detail-section h4{font-size:13px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);
    margin-bottom:10px;padding-bottom:6px;border-bottom:1px solid var(--border)}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px}
.di-l{font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase}
.di-v{font-size:14px;margin-top:2px;word-break:break-word}
.di-v small{color:var(--muted)}
.di-empty{color:var(--muted);font-size:13px}
.detail-note{white-space:pre-wrap;font-size:14px;background:#f8fafc;border:1px solid var(--border);
    border-radius:8px;padding:10px}
.dt-task-list{display:flex;flex-direction:column;gap:7px}
.dt-task{display:flex;align-items:center;gap:8px;font-size:13px;flex-wrap:wrap}
.dt-task-title{flex:1;font-weight:600;word-break:break-word}
.dt-task-title.done{text-decoration:line-through;color:var(--muted)}
.dt-task-date{font-size:11px;color:#94a3b8}
.cred-pass{font-family:ui-monospace,Menlo,monospace}
@media(max-width:600px){.detail-grid{grid-template-columns:1fr}}
.dname a{color:var(--text)}
.dname a:hover{color:var(--primary)}
.dmeta{font-size:11px;color:var(--muted)}

.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:99px;
    font-size:12px;font-weight:600;color:#fff;white-space:nowrap}
.badge-dot{width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.85}
.badge-muted{background:#e2e8f0;color:#64748b}

.pill{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:7px;font-size:12px;font-weight:600}
.pill-green{background:#dcfce7;color:#15803d}
.pill-red{background:#fee2e2;color:#b91c1c}
.pill-amber{background:#fef3c7;color:#b45309}
.pill-gray{background:#f1f5f9;color:#64748b}
.pill-blue{background:#dbeafe;color:#1d4ed8}

.ns-cell{font-size:12px;color:var(--muted)}
.ns-cell .ns-line{white-space:nowrap}
.ns-alert-flag{display:inline-flex;align-items:center;gap:4px;background:#fde68a;color:#92400e;
    padding:2px 7px;border-radius:6px;font-size:11px;font-weight:700;cursor:pointer;margin-top:4px}
.ip-cell{font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--text)}
.actions-cell{text-align:right;white-space:nowrap}
.actions-cell .btn-icon{margin-left:4px}
.last-check{font-size:10px;color:#94a3b8;margin-top:3px}

.empty-state{padding:50px 20px;text-align:center;color:var(--muted)}
.empty-icon{font-size:46px;margin-bottom:8px}

/* ---------- Modal ---------- */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);display:flex;align-items:center;
    justify-content:center;padding:16px;z-index:100}
.modal-box{background:var(--card);border-radius:14px;width:100%;max-width:520px;max-height:92vh;
    overflow:auto;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;
    border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--card)}
.modal-head h3{font-size:16px}
.modal-close{background:none;border:none;font-size:18px;cursor:pointer;color:var(--muted);padding:4px 8px}
.modal-body{padding:20px}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:5px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field-hint{font-size:12px;color:var(--muted);margin-top:6px;line-height:1.45}
.creds-box{border:1px solid var(--border);border-radius:10px;padding:14px;margin-bottom:14px;background:#f8fafc}
.creds-head{display:flex;align-items:center;gap:7px;font-weight:600;font-size:13px;margin-bottom:12px;color:var(--text)}
.creds-head svg.ic{width:15px;height:15px;color:var(--primary)}
.creds-note{font-weight:400;color:var(--muted);font-size:12px}
.pass-row{display:flex;gap:8px}
.pass-row input{flex:1}
.pass-row .btn{flex-shrink:0}

.group-add-form{display:flex;gap:8px;margin-bottom:16px}
.group-add-form input[type=text]{flex:1}
.group-add-form .btn{flex-shrink:0}
.group-list{list-style:none}
.group-list li{display:flex;align-items:center;gap:10px;padding:10px;border:1px solid var(--border);
    border-radius:8px;margin-bottom:8px}
.group-list .g-color{width:16px;height:16px;border-radius:50%;flex-shrink:0}
.group-list .g-name{flex:1;font-weight:600}
.group-list .g-count{font-size:12px;color:var(--muted);white-space:nowrap}
.group-list input[type=color]{width:36px;height:34px;flex-shrink:0;padding:2px}
.group-list .g-name-edit{flex:1;min-width:80px;padding:7px 10px}

.history-item{padding:10px 0;border-bottom:1px solid var(--border);font-size:13px}
.history-item:last-child{border:none}
.history-item .h-date{font-size:11px;color:var(--muted);margin-bottom:4px}
.history-item .h-old{color:var(--red)}
.history-item .h-new{color:var(--green)}

/* ---------- Toast ---------- */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#0f172a;color:#fff;
    padding:12px 20px;border-radius:10px;font-size:14px;z-index:200;box-shadow:0 8px 24px rgba(0,0,0,.3);
    max-width:90vw}
.toast.toast-error{background:#b91c1c}
.toast.toast-success{background:#15803d}

.back-to-top{position:fixed;right:22px;bottom:24px;z-index:90;width:44px;height:44px;border-radius:50%;
    border:none;background:var(--primary);color:#fff;cursor:pointer;display:flex;align-items:center;
    justify-content:center;box-shadow:0 6px 18px rgba(99,102,241,.45);transition:opacity .2s,transform .2s}
.back-to-top:hover{background:var(--primary-d);transform:translateY(-2px)}
.back-to-top svg.ic{width:20px;height:20px}
@media(max-width:600px){.back-to-top{right:14px;bottom:16px;width:40px;height:40px}}

.spin{display:inline-block;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Tabs ---------- */
.tabs{display:flex;gap:6px;margin-bottom:18px;border-bottom:2px solid var(--border)}
.tab{background:none;border:none;padding:10px 18px;font-size:15px;font-weight:600;color:var(--muted);
    cursor:pointer;font-family:inherit;border-bottom:2px solid transparent;margin-bottom:-2px;
    display:inline-flex;align-items:center;gap:8px}
.tab:hover{color:var(--text)}
.tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.tab-badge{background:var(--red);color:#fff;font-size:11px;font-weight:700;border-radius:99px;
    padding:1px 7px;min-width:18px;text-align:center}

.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}

/* ---------- Chip công việc trong bảng domain ---------- */
.task-chip{display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border-radius:7px;
    font-size:12px;font-weight:600;cursor:pointer;border:1px solid transparent;white-space:nowrap}
.task-chip svg.ic{width:13px;height:13px}
.task-chip-add{color:var(--muted);background:#f1f5f9;border-color:var(--border)}
.task-chip-add:hover{background:#e2e8f0;color:var(--text)}
.task-chip-open{background:#eef2ff;color:#4338ca}
.task-chip-soon{background:#fef3c7;color:#b45309}
.task-chip-overdue{background:#fee2e2;color:#b91c1c}
.task-chip:hover{filter:brightness(.96)}
.task-chip-count{background:rgba(0,0,0,.15);border-radius:99px;padding:0 6px;font-size:11px}

/* ---------- Danh sách công việc ---------- */
.task-list{display:flex;flex-direction:column;gap:10px}
.task-item{display:flex;align-items:flex-start;gap:12px;background:var(--card);border:1px solid var(--border);
    border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.task-check{flex-shrink:0;width:24px;height:24px;border-radius:7px;border:2px solid var(--border);
    background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;padding:0}
.task-check.checked{background:var(--green);border-color:var(--green)}
.task-check svg.ic{width:15px;height:15px}
.task-main{flex:1;min-width:0}
.task-title{font-weight:600;font-size:15px;word-break:break-word}
.task-note{font-size:13px;color:var(--muted);margin-top:3px;white-space:pre-wrap;word-break:break-word}
.task-meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:8px}
.task-actions{display:flex;gap:4px;flex-shrink:0}
.task-done .task-title{text-decoration:line-through;color:var(--muted)}
.task-due{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:600;color:var(--muted)}
.task-due svg.ic{width:13px;height:13px}
.task-due.due-soon{color:#b45309}
.task-due.due-over{color:#b91c1c}
.task-stamp{display:flex;align-items:center;gap:5px;font-size:11px;color:#94a3b8;margin-top:8px}
.task-stamp svg.ic{width:12px;height:12px}

/* ---------- Trang tài liệu (changelog / api docs) ---------- */
.doc{max-width:880px;margin:0 auto;padding:28px 20px 60px}
.doc h1{font-size:26px;margin-bottom:6px}
.doc .doc-sub{color:var(--muted);margin-bottom:28px}
.doc h2{font-size:19px;margin:32px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.doc h3{font-size:15px;margin:20px 0 8px}
.doc p{margin-bottom:12px;line-height:1.7}
.doc ul,.doc ol{margin:0 0 14px 22px;line-height:1.8}
.doc code{background:#eef2ff;color:#4338ca;padding:2px 6px;border-radius:5px;font-size:13px;
    font-family:ui-monospace,SFMono-Regular,Menlo,monospace;word-break:break-word}
.doc pre{background:#0f172a;color:#e2e8f0;border-radius:10px;padding:16px;overflow-x:auto;
    font-size:13px;line-height:1.6;margin-bottom:16px}
.doc pre code{background:none;color:inherit;padding:0}
.doc table{width:100%;border-collapse:collapse;margin-bottom:16px;font-size:14px}
.doc th,.doc td{text-align:left;padding:9px 12px;border:1px solid var(--border);vertical-align:top}
.doc th{background:#f8fafc;font-size:13px}
.doc-back{display:inline-flex;align-items:center;gap:6px;margin-bottom:18px;font-weight:600}

/* timeline changelog */
.cl-item{position:relative;padding:0 0 26px 26px;border-left:2px solid var(--border)}
.cl-item:last-child{border-left-color:transparent}
.cl-item::before{content:"";position:absolute;left:-7px;top:3px;width:12px;height:12px;border-radius:50%;
    background:var(--primary);border:2px solid #fff;box-shadow:0 0 0 2px var(--primary)}
.cl-ver{display:inline-block;font-weight:700;font-size:15px}
.cl-date{color:var(--muted);font-size:13px;margin-left:8px}
.cl-item ul{margin-top:8px}
.tag-new{background:#dcfce7;color:#15803d}
.tag-fix{background:#fee2e2;color:#b91c1c}
.tag-imp{background:#dbeafe;color:#1d4ed8}
.cl-tag{display:inline-block;font-size:11px;font-weight:700;padding:1px 8px;border-radius:99px;margin-right:6px}

/* ---------- Cổng API ---------- */
.copy-row{display:flex;gap:8px;align-items:stretch}
.copy-row code{flex:1;background:#f1f5f9;border:1px solid var(--border);border-radius:8px;
    padding:9px 12px;font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
    word-break:break-all;display:flex;align-items:center}
.copy-row .btn{flex-shrink:0}
.code-block{background:#0f172a;color:#e2e8f0;border-radius:8px;padding:14px;font-size:12px;
    font-family:ui-monospace,SFMono-Regular,Menlo,monospace;overflow-x:auto;white-space:pre;line-height:1.5}
.api-fields{margin-top:6px;font-size:13px}
.api-fields summary{cursor:pointer;font-weight:600;color:var(--primary);padding:6px 0}
.api-fields ul{margin:8px 0 0 18px;color:var(--muted);line-height:1.7}
.api-fields code{background:#f1f5f9;padding:1px 5px;border-radius:4px;font-size:12px;color:var(--text)}

/* ---------- Mobile: bảng -> thẻ ---------- */
@media(max-width:860px){
    .stats{grid-template-columns:1fr 1fr}
    .toolbar-actions{margin-left:0;width:100%}
    .toolbar-actions .btn{flex:1}

    .domain-table thead{display:none}
    .domain-table .drag-cell{display:none}
    .domain-table,.domain-table tbody,.domain-table tr,.domain-table td{display:block;width:100%}
    .domain-table tr{border-bottom:8px solid var(--bg);padding:8px 4px;position:relative}
    .domain-table td{border:none;padding:7px 14px;display:flex;justify-content:space-between;
        align-items:flex-start;gap:12px;white-space:normal}
    .domain-table td .ns-line,.ip-cell{white-space:normal;word-break:break-all}
    .domain-table td::before{content:attr(data-label);font-size:11px;font-weight:700;
        text-transform:uppercase;color:var(--muted);flex-shrink:0}
    .domain-table tr:hover td{background:transparent}
    .ns-cell,.ip-cell{max-width:60%;text-align:right}
    .actions-cell{text-align:right}
    .dname{text-align:right}
}
@media(max-width:480px){
    .stats{grid-template-columns:1fr 1fr;gap:10px}
    .stat-num{font-size:22px}
    .container{padding:14px}
    .grid-2,.grid-3{grid-template-columns:1fr}
    .topbar{padding:10px 14px}
    .brand span{display:none}
    .topbar-link{display:none}
}