:root {
  /* === Bảng màu: cam #F96D00 / xám sáng #F2F2F2 (chủ đạo) / than chì #222831 === */
  --orange: #F96D00;
  --orange-deep: #e25f00;
  --orange-soft: #ff8a33;
  --orange-text: #c4540a;          /* cam đậm — dùng cho LINK/chữ trên nền sáng (đọc rõ) */
  --charcoal: #222831;
  --charcoal-2: #2c333f;
  --paper: #F2F2F2;

  --brand: #F96D00;
  --brand-dark: #e25f00;
  --brand-darker: #b84a00;
  --brand-glow: rgba(249, 109, 0, 0.45);
  --accent: var(--orange);
  --accent-glow: rgba(249, 109, 0, 0.4);

  --ink: #222831;                  /* chữ chính — tương phản ~12:1 */
  --ink-2: #2c333f;
  --muted: #586172;                /* chữ phụ — vẫn đủ tương phản */
  --line: rgba(34, 40, 49, 0.12);
  --line-soft: rgba(34, 40, 49, 0.07);
  --bg: #F2F2F2;

  /* Liquid glass (sáng) */
  --glass: rgba(255, 255, 255, 0.62);
  --glass-2: rgba(255, 255, 255, 0.45);
  --glass-strong: rgba(255, 255, 255, 0.82);
  --glass-border: rgba(255, 255, 255, 0.9);
  --gloss: linear-gradient(180deg, rgba(255,255,255,0.85), rgba(255,255,255,0) 42%);
  --card: var(--glass);
  --card-soft: rgba(255, 255, 255, 0.55);
  --bg-2: rgba(255, 255, 255, 0.6);

  --green: #1f9d6b;  --green-light: rgba(31, 157, 107, 0.14);
  --amber: #b07400;  --amber-light: rgba(176, 116, 0, 0.14);
  --red: #d23b3b;    --red-light: rgba(210, 59, 59, 0.14);
  --purple: #6d5ad8; --purple-light: rgba(109, 90, 216, 0.14);

  --shadow-sm: 0 6px 22px rgba(34, 40, 49, 0.10);
  --shadow: 0 24px 60px rgba(34, 40, 49, 0.20);
  --radius: 20px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "SF Pro Display", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1100px 640px at 86% -10%, rgba(249, 109, 0, 0.13), transparent 58%),
    radial-gradient(900px 560px at -6% 2%, rgba(34, 40, 49, 0.08), transparent 56%),
    radial-gradient(1000px 640px at 50% 116%, rgba(249, 109, 0, 0.07), transparent 60%),
    var(--bg);
  background-attachment: fixed;
}

/* ====== LAYOUT ====== */
.app { display: flex; min-height: 100vh; }

/* Sidebar than chì đậm (glass tối) tạo chiều sâu & cấu trúc */
.sidebar {
  width: 256px; flex: 0 0 256px;
  background: linear-gradient(180deg, rgba(34,40,49,0.92), rgba(34,40,49,0.86));
  backdrop-filter: blur(22px) saturate(160%); -webkit-backdrop-filter: blur(22px) saturate(160%);
  border-right: 1px solid rgba(255,255,255,0.08);
  box-shadow: 4px 0 30px rgba(34,40,49,0.18);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.logo-area { padding: 20px 18px; border-bottom: 1px solid rgba(255,255,255,0.10); display: flex; align-items: center; gap: 12px; }
.logo-area img { max-height: 46px; max-width: 150px; object-fit: contain; }
.logo-fallback { display: flex; align-items: center; gap: 10px; }
.logo-fallback .fish { width: 40px; height: 40px; filter: drop-shadow(0 0 8px var(--brand-glow)); }
.logo-fallback .txt b { display: block; font-size: 20px; letter-spacing: 2px; line-height: 1; background: linear-gradient(90deg, var(--orange), #ffb070); -webkit-background-clip: text; background-clip: text; color: transparent; }
.logo-fallback .txt span { font-size: 9px; letter-spacing: 3px; color: #9aa3b2; }

.menu { padding: 14px 10px; flex: 1; overflow-y: auto; }
.menu-label { font-size: 11px; letter-spacing: 1px; color: #8b94a4; font-weight: 700; padding: 8px 12px 6px; text-transform: uppercase; }
.menu-item {
  display: flex; align-items: center; gap: 11px; padding: 11px 12px; border-radius: 12px; cursor: pointer;
  font-size: 14px; font-weight: 600; color: #d6dce6; border: 1px solid transparent; margin-bottom: 3px; transition: .18s; user-select: none;
}
.menu-item .mi-ic { font-size: 17px; width: 22px; text-align: center; }
.menu-item:hover { background: rgba(255,255,255,0.07); color: #fff; }
.menu-item.active {
  background: linear-gradient(135deg, var(--orange), var(--orange-deep));
  color: #fff; border-color: rgba(255,255,255,0.25);
  box-shadow: 0 8px 20px -6px var(--brand-glow), inset 0 1px 0 rgba(255,255,255,0.4);
}
.menu-item.disabled { color: #6b7589; cursor: not-allowed; font-weight: 500; }
.menu-item.disabled:hover { background: transparent; color: #6b7589; }
.menu-item .soon { margin-left: auto; font-size: 9px; font-weight: 700; letter-spacing: .5px; background: rgba(249,109,0,0.22); color: #ffb88a; padding: 2px 7px; border-radius: 999px; }
.sidebar-foot { padding: 14px 18px; border-top: 1px solid rgba(255,255,255,0.10); font-size: 11px; color: #9aa3b2; }
.sidebar-foot b { color: var(--orange); }

.content { flex: 1; min-width: 0; }
.topbar {
  background: var(--glass); backdrop-filter: blur(24px) saturate(180%); -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--glass-border); padding: 16px 28px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 5;
  box-shadow: 0 4px 20px rgba(34,40,49,0.06);
}
.topbar h2 { margin: 0; font-size: 19px; color: var(--ink); font-weight: 700; }
.topbar .crumb { font-size: 12px; color: var(--muted); }
.topbar .right { display: flex; align-items: center; gap: 10px; }
.engine-pill {
  cursor: pointer; display: inline-flex; align-items: center; gap: 7px;
  background: rgba(249,109,0,0.14); color: var(--orange-text); border: 1px solid rgba(249,109,0,0.4);
  font-size: 12px; font-weight: 700; padding: 7px 12px; border-radius: 999px; transition: .15s;
}
.engine-pill:hover { background: rgba(249,109,0,0.22); box-shadow: 0 0 16px var(--brand-glow); }
.engine-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulseDot 2s ease-in-out infinite; }
@keyframes pulseDot { 0%,100% { box-shadow: 0 0 6px var(--green); } 50% { box-shadow: 0 0 14px var(--green); } }

.page { padding: 26px 28px 80px; max-width: 1220px; }
.section { display: none; }
.section.active { display: block; }

/* ====== LIQUID GLASS CARDS ====== */
.card {
  position: relative;
  background: var(--glass); backdrop-filter: blur(28px) saturate(180%); -webkit-backdrop-filter: blur(28px) saturate(180%);
  border-radius: var(--radius); border: 1px solid var(--glass-border);
  box-shadow: 0 16px 44px rgba(34,40,49,0.14), inset 0 1px 0 rgba(255,255,255,0.9);
  padding: 22px 24px; margin-bottom: 20px;
}
.card::before { content: ""; position: absolute; inset: 0; border-radius: inherit; background: var(--gloss); pointer-events: none; opacity: .8; }
.card > * { position: relative; }
.card h2 { margin: 0 0 4px; font-size: 17px; color: var(--ink); font-weight: 700; }
.card h3 { font-size: 15px; color: var(--ink-2); }
.card .hint { color: var(--muted); font-size: 13px; margin: 0 0 16px; }

.grid { display: grid; gap: 14px; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
@media (max-width: 820px) { .grid.cols-2 { grid-template-columns: 1fr; } }

label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--ink-2); }
input[type=text], input[type=password], input[type=number], select, textarea {
  width: 100%; padding: 11px 13px; border: 1px solid rgba(34,40,49,0.16); border-radius: 12px;
  font-size: 14px; font-family: inherit; background: rgba(255,255,255,0.78); color: var(--ink); transition: .15s;
}
input::placeholder, textarea::placeholder { color: #97a0b0; }
select option { background: #ffffff; color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--orange); background: #ffffff; box-shadow: 0 0 0 3px var(--brand-glow); }

/* ====== BUTTONS (cam glossy) ====== */
button {
  position: relative; overflow: hidden; cursor: pointer; border: 1px solid rgba(255,255,255,0.10); border-radius: 12px;
  padding: 11px 18px; font-size: 14px; font-weight: 700; color: #fff;
  background: linear-gradient(180deg, #343c49 0%, #222831 100%);
  box-shadow: 0 10px 26px -8px rgba(34,40,49,0.5), inset 0 1px 0 rgba(255,255,255,0.16);
  transition: transform .15s, box-shadow .2s, filter .15s;
}
button::after { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, transparent 26%, rgba(249,109,0,.45) 50%, transparent 74%); transform: translateX(-130%); transition: transform .6s ease; pointer-events: none; }
button:hover { filter: brightness(1.08); transform: translateY(-1px); border-color: rgba(249,109,0,0.55); box-shadow: 0 0 30px -4px var(--brand-glow), 0 16px 30px -10px rgba(34,40,49,.4); }
button:hover::after { transform: translateX(130%); }
button.ghost { background: rgba(255,255,255,0.72); color: var(--ink); border: 1px solid var(--line); box-shadow: inset 0 1px 0 rgba(255,255,255,0.8); text-shadow: none; backdrop-filter: blur(8px); }
button.ghost:hover { background: #fff; border-color: var(--orange); color: var(--orange-text); box-shadow: 0 0 16px var(--brand-glow); }
button.ghost::after { display: none; }
button.small { padding: 7px 12px; font-size: 13px; }
button:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
button:disabled::after { display: none; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.badge.sapo { background: var(--amber-light); color: var(--amber); }
.badge.ket { background: var(--purple-light); color: var(--purple); }
.badge.ok { background: var(--green-light); color: var(--green); }

.stats { display: flex; flex-wrap: wrap; gap: 14px; margin: 6px 0 14px; }
.stat { position: relative; background: var(--glass-strong); border: 1px solid var(--glass-border); border-radius: 14px; padding: 12px 16px; min-width: 118px; backdrop-filter: blur(12px); box-shadow: inset 0 1px 0 rgba(255,255,255,0.9), 0 6px 18px rgba(34,40,49,0.08); }
.stat b { display: block; font-size: 22px; color: var(--orange-text); }
.stat span { font-size: 12px; color: var(--muted); }
.stat:nth-child(2) b { color: var(--purple); }
.stat:nth-child(3) b { color: var(--green); }
.stat:nth-child(4) b { color: var(--charcoal); }

.preview-blocks { max-height: 300px; overflow: auto; border: 1px solid var(--line); border-radius: 12px; padding: 8px; background: var(--bg-2); }
.blk { padding: 6px 8px; border-bottom: 1px dashed var(--line); font-size: 13px; line-height: 1.5; }
.blk:last-child { border-bottom: none; }
.blk .tg { color: var(--muted); font-size: 11px; margin-right: 6px; }
.blk.locked { background: rgba(249, 109, 0, 0.10); }

.options { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 820px) { .options { grid-template-columns: 1fr; } }
.opt { border: 1px solid var(--glass-border); border-radius: var(--radius); padding: 18px; background: var(--glass-strong); display: flex; flex-direction: column; transition: .15s; backdrop-filter: blur(14px); box-shadow: inset 0 1px 0 rgba(255,255,255,0.85); }
.opt:hover { border-color: var(--orange); box-shadow: 0 0 28px -6px var(--brand-glow); transform: translateY(-2px); }
.opt h3 { margin: 0 0 4px; color: var(--orange-text); }
.opt p.d { color: var(--muted); font-size: 13px; margin: 0 0 14px; }
.opt .spacer { flex: 1; }

.kw-row { display: flex; gap: 8px; margin-bottom: 8px; }
.kw-row input { flex: 1; }
.grow0 { flex: 0 0 auto !important; }

/* ====== TABS ====== */
.tabs { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.tab { padding: 10px 16px; cursor: pointer; font-size: 14px; font-weight: 700; color: var(--muted); border-radius: 999px; background: var(--glass-strong); border: 1px solid var(--line); transition: .15s; backdrop-filter: blur(8px); }
.tab:hover { color: var(--ink); border-color: var(--orange); }
.tab.active { color: #fff; background: linear-gradient(180deg, var(--orange-soft), var(--orange-deep)); border-color: rgba(255,255,255,0.4); box-shadow: 0 8px 20px -6px var(--brand-glow), inset 0 1px 0 rgba(255,255,255,0.5); }

.subtabs { border-bottom: 1px solid var(--line); border-radius: 0; }
.subtabs .tab { border-radius: 10px 10px 0 0; border: none; background: transparent; border-bottom: 3px solid transparent; box-shadow: none; backdrop-filter: none; }
.subtabs .tab.active { color: var(--orange-text); background: transparent; border-bottom-color: var(--orange); box-shadow: none; }

.tabpane { display: none; }
.tabpane.active { display: block; }

table.cmp { width: 100%; border-collapse: collapse; font-size: 13px; }
table.cmp th, table.cmp td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.cmp th { background: rgba(249,109,0,0.12); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; color: var(--orange-text); }
table.cmp a { color: var(--orange-text); }
.snip-after mark, .render mark { background: rgba(249, 109, 0, 0.24); color: #8a3a00; padding: 1px 3px; border-radius: 3px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }
.pane { border: 1px solid var(--glass-border); border-radius: 12px; overflow: hidden; }
.pane .ph { padding: 9px 12px; font-weight: 700; font-size: 13px; background: rgba(249,109,0,0.12); color: var(--orange-text); border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.pane.after .ph { background: var(--green-light); color: var(--green); }
.render { padding: 12px 16px; max-height: 520px; overflow: auto; line-height: 1.7; background: rgba(255,255,255,0.7); color: var(--ink); }
.render a { color: var(--orange-text); font-weight: 600; }
.render h1,.render h2,.render h3 { line-height: 1.3; color: var(--ink); }
pre.code { margin: 0; padding: 12px 14px; background: #222831; color: #f0f0f0; max-height: 520px; overflow: auto; font-size: 12.5px; white-space: pre-wrap; word-break: break-word; border: 1px solid var(--line); }

.alert { padding: 12px 14px; border-radius: 12px; font-size: 14px; margin-bottom: 14px; border: 1px solid transparent; backdrop-filter: blur(6px); }
.alert.err { background: var(--red-light); color: #a32424; border-color: rgba(210,59,59,.3); }
.alert.warn { background: var(--amber-light); color: #8a5a00; border-color: rgba(176,116,0,.3); }
.alert.info { background: rgba(249,109,0,0.12); color: var(--orange-text); border-color: rgba(249,109,0,.3); }

.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid var(--orange); border-top-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; vertical-align: middle; margin-right: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }

.muted { color: var(--muted); font-size: 12px; }
.flexbar { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); background: linear-gradient(180deg, #2c333f, #222831); backdrop-filter: blur(12px); color: #fff; padding: 11px 20px; border-radius: 12px; font-size: 13px; opacity: 0; transition: .25s; pointer-events: none; box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,0.12); }
.toast.show { opacity: 1; }

.sug-row { display: flex; align-items: center; gap: 10px; padding: 9px 8px; border-bottom: 1px dashed var(--line); }
.sug-row:last-child { border-bottom: none; }
.sug-row input[type=checkbox] { width: 18px; height: 18px; flex: 0 0 auto; accent-color: var(--orange); }
.sug-row .sug-main { flex: 1; min-width: 0; }
.sug-row .sug-main a { font-size: 12px; color: var(--orange-text); word-break: break-all; }
.sug-row .sug-anchor { flex: 0 0 220px; }
@media (max-width: 700px){ .sug-row { flex-wrap: wrap; } .sug-row .sug-anchor { flex: 1 1 100%; } }

.src-card { border: 1px solid var(--glass-border); border-radius: 14px; margin-bottom: 16px; overflow: hidden; box-shadow: var(--shadow-sm); }
.src-head { padding: 12px 16px; background: rgba(249,109,0,0.12); border-bottom: 1px solid var(--line); }
.src-head .stitle { font-weight: 700; color: var(--orange-text); }
.src-head .surl { font-size: 12px; color: var(--muted); word-break: break-all; }
.src-body { padding: 14px 16px; background: var(--glass-2); }

.coming { text-align: center; padding: 70px 20px; color: var(--muted); }
.coming .big { font-size: 54px; margin-bottom: 12px; filter: drop-shadow(0 0 16px var(--brand-glow)); }
.coming h2 { color: var(--ink); margin: 0 0 6px; }

/* ====== AUTH OVERLAY ====== */
.auth-overlay {
  position: fixed; inset: 0; z-index: 1000; display: none; align-items: center; justify-content: center;
  background: linear-gradient(130deg, #f2f2f2, #ffe6d0, #f2f2f2, #ffd9bd, #eef0f3);
  background-size: 320% 320%; animation: aurora 22s ease infinite; padding: 20px;
}
@keyframes aurora { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
.auth-overlay.show { display: flex; }
.auth-card {
  position: relative; overflow: hidden;
  background: var(--glass-strong); backdrop-filter: blur(34px) saturate(190%); -webkit-backdrop-filter: blur(34px) saturate(190%);
  border: 1px solid var(--glass-border); border-radius: 24px; width: 100%; max-width: 400px;
  padding: 30px 28px; box-shadow: 0 36px 80px rgba(34,40,49,.25), inset 0 1px 0 rgba(255,255,255,.95), 0 0 60px -16px var(--brand-glow);
}
.auth-card::before { content: ""; position: absolute; inset: 0; border-radius: inherit; background: var(--gloss); pointer-events: none; }
.auth-card > * { position: relative; }
.auth-logo { font-size: 26px; text-align: center; color: var(--ink); }
.auth-logo b { background: linear-gradient(90deg, var(--orange), var(--orange-deep)); -webkit-background-clip: text; background-clip: text; color: transparent; letter-spacing: 1px; }
.auth-sub { text-align: center; color: var(--muted); font-size: 13px; margin: 4px 0 20px; }
.auth-tabs { display: flex; gap: 8px; margin-bottom: 18px; background: rgba(34,40,49,.06); padding: 4px; border-radius: 12px; border: 1px solid var(--line-soft); }
.atab { flex: 1; text-align: center; padding: 9px; border-radius: 9px; cursor: pointer; font-weight: 700; font-size: 14px; color: var(--muted); transition: .15s; }
.atab.active { background: linear-gradient(180deg, var(--orange-soft), var(--orange-deep)); color: #fff; box-shadow: 0 8px 18px -6px var(--brand-glow), inset 0 1px 0 rgba(255,255,255,0.5); }
.auth-form { display: none; }
.auth-form.active { display: block; }
.auth-form label { margin-top: 12px; }
.auth-form label:first-child { margin-top: 0; }

.featpane { display: none; }
.featpane.active { display: block; }

.chips { display: flex; flex-wrap: wrap; gap: 7px; margin: 0 0 12px; }
.chip-jump { cursor: pointer; border: 1px solid var(--orange); background: rgba(249,109,0,0.12); color: var(--orange-text); font-size: 12.5px; font-weight: 600; padding: 5px 11px; border-radius: 999px; transition: .12s; }
.chip-jump:hover { background: var(--orange); color: #fff; transform: none; box-shadow: 0 0 16px var(--brand-glow); }
.chips .lbl { font-size: 12px; color: var(--muted); align-self: center; margin-right: 2px; }
@keyframes flashmark { 0% { background: var(--orange); color:#fff; } 100% { background: transparent; } }
.render a.jumped { animation: flashmark 1.8s ease-out; border-radius: 3px; padding: 0 2px; }

.rec-item { display: flex; gap: 10px; padding: 11px 12px; border: 1px solid var(--glass-border); border-radius: 12px; margin-bottom: 8px; background: var(--glass-strong); }
.rec-item input[type=checkbox] { width: 18px; height: 18px; flex: 0 0 auto; margin-top: 2px; accent-color: var(--orange); }
.rec-body { flex: 1; min-width: 0; }
.rec-body label { display: inline; font-weight: 400; cursor: pointer; font-size: 14px; color: var(--ink); }
.rec-action { font-weight: 600; color: var(--orange-text); margin: 4px 0; font-size: 13px; }
.rec-body .muted { display: block; margin-top: 2px; }
.op-weak { background: var(--red-light); color: #a32424; border-radius: 4px; font-weight: 600; }
.op-cmp .op-critlabel { cursor: pointer; user-select: none; white-space: nowrap; }
.op-cmp .op-critlabel:hover { color: var(--orange-text); }
.op-cmp .caret { display: inline-block; transition: transform .15s; color: var(--orange); font-size: 11px; }
.op-cmp .op-row.open .caret { transform: rotate(90deg); }
.op-cmp .op-detail > td { background: rgba(249,109,0,0.06); font-size: 13px; line-height: 1.6; }
.op-cmp .opd { padding: 3px 0; border-bottom: 1px dashed var(--line); word-break: break-word; }
.op-cmp .opd:last-child { border-bottom: none; }
.op-cmp .opd a { color: var(--orange-text); }
.render .opnew { background: rgba(31, 157, 107, 0.18); box-shadow: inset 0 0 0 1px rgba(31,157,107,.5); border-radius: 3px; padding: 0 2px; }

.user-chip { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink); }
.user-chip .uava { width: 28px; height: 28px; border-radius: 50%; background: linear-gradient(180deg, var(--orange-soft), var(--orange-deep)); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; text-transform: uppercase; box-shadow: 0 0 14px var(--brand-glow), inset 0 1px 0 rgba(255,255,255,0.5); }
@media (max-width: 600px) { .user-chip #userEmail { display: none; } }

.hidden { display: none !important; }

@media (max-width: 760px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; flex: none; flex-direction: column; }
  .menu { display: flex; flex-wrap: wrap; gap: 6px; }
  .menu-label, .sidebar-foot { display: none; }
  .menu-item { margin: 0; }
}

* { scrollbar-color: rgba(249,109,0,.5) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(249,109,0,.45); border-radius: 6px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: rgba(249,109,0,.65); background-clip: padding-box; }