/* Ken tư vấn — giao diện chung: màu, khung (thanh trái + thanh trên), nút, ô nhập, hộp thoại, thông báo.
   Cỡ chữ nhỏ nhất là 11px. Chế độ tối theo hệ thống, người dùng đổi tay được (data-theme trên <html>). */
:root{
  color-scheme:light;
  --brand:#9c191e; --brand-hover:#81151a; --brand-tint:#f9ebec; --brand-solid:#9c191e;
  --bg:#f5f6f8; --panel:#fff; --chat:#f6f7f9; --line:#e3e6eb; --line-strong:#d0d5dc;
  --text:#20252c; --text-2:#4a5360; --muted:#5d6676;
  --ok:#1f6f4a; --ok-bg:#edf7f0;
  --warn:#8a5a10; --warn-bg:#fff5e4; --warn-line:#ecd8b0;
  --danger:#b3302f; --danger-bg:#fdeeee; --danger-line:#f0c4c4;
  --info:#1f5fa8; --info-bg:#e8f1fb;
  --tag-a-bg:#edf2fc; --tag-a:#3f679f; --tag-b-bg:#f6eedf; --tag-b:#8a6522;
  --out-bg:#f2e5e5; --out-line:#e6d3d3;
  --av0:#eee5e3; --av0t:#6d4f47; --av1:#e6edf7; --av1t:#496a8f; --av2:#e2eee7; --av2t:#477259; --av3:#ece8f3; --av3t:#6f5a82; --av4:#f3ebd9; --av4t:#7a6340;
  --rail:#23272d; --rail-text:#b4bac3;
  --shadow:0 12px 50px rgba(24,32,43,.16);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --brand:#ee9a9f; --brand-hover:#f2b0b4; --brand-tint:#3d292d;
    --bg:#1b1d21; --panel:#24272c; --chat:#1f2227; --line:#363a41; --line-strong:#464b54;
    --text:#e5e6e9; --text-2:#c4c9d2; --muted:#a2a8b3;
    --ok:#8fcdac; --ok-bg:#283b31;
    --warn:#e2bb80; --warn-bg:#3a3226; --warn-line:#5a4a30;
    --danger:#f1a3a3; --danger-bg:#412a2a; --danger-line:#6a3a3a;
    --info:#a9c8ee; --info-bg:#27364a;
    --tag-a-bg:#2b374b; --tag-a:#b2c6eb; --tag-b-bg:#3e372a; --tag-b:#d7c190;
    --out-bg:#422e32; --out-line:#53363a;
    --av0:#3a3433; --av0t:#e1cfc9; --av1:#2a3547; --av1t:#b3c8e8; --av2:#26382f; --av2t:#a9d3bc; --av3:#342f42; --av3t:#cdbfe3; --av4:#3d3626; --av4t:#e3cf9f;
    --rail:#181a1e; --rail-text:#a4abb6;
    --shadow:0 12px 50px rgba(0,0,0,.5);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --brand:#ee9a9f; --brand-hover:#f2b0b4; --brand-tint:#3d292d;
  --bg:#1b1d21; --panel:#24272c; --chat:#1f2227; --line:#363a41; --line-strong:#464b54;
  --text:#e5e6e9; --text-2:#c4c9d2; --muted:#a2a8b3;
  --ok:#8fcdac; --ok-bg:#283b31;
  --warn:#e2bb80; --warn-bg:#3a3226; --warn-line:#5a4a30;
  --danger:#f1a3a3; --danger-bg:#412a2a; --danger-line:#6a3a3a;
  --info:#a9c8ee; --info-bg:#27364a;
  --tag-a-bg:#2b374b; --tag-a:#b2c6eb; --tag-b-bg:#3e372a; --tag-b:#d7c190;
  --out-bg:#422e32; --out-line:#53363a;
  --av0:#3a3433; --av0t:#e1cfc9; --av1:#2a3547; --av1t:#b3c8e8; --av2:#26382f; --av2t:#a9d3bc; --av3:#342f42; --av3t:#cdbfe3; --av4:#3d3626; --av4t:#e3cf9f;
  --rail:#181a1e; --rail-text:#a4abb6;
  --shadow:0 12px 50px rgba(0,0,0,.5);
}

*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font:14px/1.55 var(--font);color:var(--text);background:var(--bg);-webkit-text-size-adjust:100%}
a{color:var(--brand)}
h1,h2,h3,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
button:disabled{cursor:not-allowed;opacity:.5}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
[hidden]{display:none !important}
.sprite-hidden{position:absolute}.ico{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex:none;vertical-align:middle}
.row{display:flex;align-items:center;gap:10px}
.between{justify-content:space-between}
.grow{flex:1;min-width:0}
.muted,.secondary{color:var(--muted)}
.small{font-size:12px}
.xs{font-size:11px}
.strong{font-weight:600}
.nowrap{white-space:nowrap}
.space-top{margin-top:18px}
.skip-reason{position:absolute;left:8px;top:-60px;z-index:100;background:var(--panel);color:var(--text);padding:8px 12px;border-radius:7px;border:1px solid var(--line-strong)}
.skip-reason:focus{top:8px}

/* ── nút ─────────────────────────────────────────────────────────────────── */
.btn,.button{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:8px 13px;min-height:36px;
  border:1px solid var(--line-strong);border-radius:7px;background:var(--panel);color:var(--text);font-size:13px;font-weight:550;
  text-decoration:none;line-height:1.3;cursor:pointer}
.btn:hover,.button:hover{background:var(--bg)}
.btn.primary,.primary-button{background:var(--brand-solid);border-color:var(--brand-solid);color:#fff}
.btn.primary:hover,.primary-button:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff}
.btn.soft{background:var(--brand-tint);color:var(--brand);border-color:transparent}
.btn.danger{color:var(--danger);border-color:var(--danger-line)}
.btn.icon{padding:7px;min-width:36px}
.btn.compact{min-height:32px;padding:5px 10px;font-size:12px}
.button-full{width:100%;margin-top:16px}
.button-row{display:flex;gap:8px;flex-wrap:wrap}
.text-btn{display:inline-flex;align-items:center;gap:6px;padding:4px 0;color:var(--text-2);font-size:12px;cursor:pointer}
.text-btn:hover{color:var(--text)}
.text-btn.red{color:var(--brand);font-weight:550}

/* ── ô nhập ──────────────────────────────────────────────────────────────── */
.field,input[type=text],input[type=search],input[type=email],input[type=password],input[type=number],input[type=tel],select,textarea{
  width:100%;min-width:0;border:1px solid var(--line-strong);background:var(--panel);color:var(--text);border-radius:7px;padding:9px 10px;font-size:14px}
input[type=checkbox],input[type=radio]{width:16px;height:16px;accent-color:var(--brand-solid);flex:none}
textarea{resize:vertical}
.field:focus,input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:0;border-color:var(--brand)}
textarea:disabled,input:disabled,select:disabled{background:var(--bg);color:var(--muted)}
.field-label,label.field-label{display:block;font-weight:600;font-size:12px;margin:0 0 6px;color:var(--text)}
.wide-help{font-size:12px;color:var(--muted);line-height:1.7;margin-top:12px}

/* ── nhãn nhỏ, huy hiệu, thông báo ───────────────────────────────────────── */
.pill{display:inline-flex;align-items:center;gap:5px;border-radius:5px;padding:2px 8px;font-size:11px;font-weight:600;line-height:1.5;white-space:nowrap}
.pill.green{background:var(--ok-bg);color:var(--ok)}
.pill.amber{background:var(--warn-bg);color:var(--warn)}
.pill.red{background:var(--danger-bg);color:var(--danger)}
.pill.gray{background:var(--bg);color:var(--text-2)}
.pill.blue{background:var(--info-bg);color:var(--info)}
.pill.brand{background:var(--brand-tint);color:var(--brand)}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block;flex:none}
.alert,.notice{padding:10px 12px;border-radius:8px;font-size:13px;line-height:1.55;overflow-wrap:anywhere}
.alert.warn,.notice.warning{background:var(--warn-bg);color:var(--warn);border:1px solid var(--warn-line)}
.alert.error{background:var(--danger-bg);color:var(--danger);border:1px solid var(--danger-line)}
.alert.ok{background:var(--ok-bg);color:var(--ok);border:1px solid var(--ok-bg)}
.alert.info{background:var(--info-bg);color:var(--info);border:1px solid var(--info-bg)}
.empty{padding:38px 22px;text-align:center;color:var(--muted);font-size:13px}
.empty .ico{width:28px;height:28px;margin-bottom:12px}
.empty h3{font-size:14px;color:var(--text);margin:0 0 7px}
.empty p{margin:0 0 14px}
.loading-state{padding:30px 20px;text-align:center;color:var(--muted)}
.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--line-strong);border-top-color:var(--brand);border-radius:50%;vertical-align:-3px;margin-right:8px}
@media (prefers-reduced-motion:no-preference){.spinner{animation:spinner .8s linear infinite}@keyframes spinner{to{transform:rotate(360deg)}}}

/* Nhãn nền tảng (Facebook, Zalo…) */
.platform{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:5px;color:#fff;font-size:12px;font-weight:700;flex:none;line-height:1}
.platform .ico{width:13px;height:13px;stroke-width:2}
.platform.fb{background:#2275ed;font-size:15px}
.platform.ig{background:linear-gradient(35deg,#eea346,#c73c85,#7a52c5)}
.platform.za{background:#1674f3}
.platform.zc{background:#fff;color:#1674f3;box-shadow:inset 0 0 0 2px #1674f3}
.platform.shopee{background:#ee6338}
.platform.tiktok{background:#24272b}
.platform.ts{background:#24272b;box-shadow:inset 0 -3px 0 #fe2c55}
.platform.large{width:34px;height:34px;border-radius:9px;font-size:19px}
.platform.large .ico{width:20px;height:20px}

/* Ảnh đại diện */
.avatar{display:inline-flex;align-items:center;justify-content:center;flex:none;border-radius:50%;width:40px;height:40px;font-size:13px;font-weight:600;background:var(--av0);color:var(--av0t);position:relative}
.avatar.blue{background:var(--av1);color:var(--av1t)}
.avatar.green{background:var(--av2);color:var(--av2t)}
.avatar.purple{background:var(--av3);color:var(--av3t)}
.avatar.gold{background:var(--av4);color:var(--av4t)}
.avatar.me{background:var(--brand-tint);color:var(--brand);width:34px;height:34px;font-size:12px}
.avatar.big{width:46px;height:46px;font-size:14px}
.avatar .platform{position:absolute;right:-4px;bottom:-3px;width:18px;height:18px;box-sizing:content-box;border:2px solid var(--panel);font-size:11px}
.avatar .platform .ico{width:11px;height:11px}
.avatar .ico{width:19px;height:19px}

/* ── khung ───────────────────────────────────────────────────────────────── */
.layout{position:relative;height:100%;display:grid;grid-template-columns:76px minmax(0,1fr);grid-template-rows:62px minmax(0,1fr);overflow:hidden}
.rail{grid-row:1/-1;background:var(--rail);color:var(--rail-text);display:flex;flex-direction:column;align-items:center;padding:15px 8px;gap:10px;overflow-x:hidden;overflow-y:auto}
.brand-mark{width:40px;height:38px;flex:none;border-radius:10px;background:#fff;color:#9c191e;font:bold italic 30px/38px Georgia,serif;text-align:center;margin-bottom:26px;text-decoration:none}
.nav-btn{width:60px;min-height:60px;border-radius:9px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;color:inherit;font-size:11px;text-decoration:none;text-align:center;line-height:1.25}
.nav-btn .ico{width:20px;height:20px}
.nav-btn:hover{background:rgba(255,255,255,.07);color:#fff}
.nav-btn.active{background:#9c191e;color:#fff}
.nav-btn:focus-visible{outline-color:#fff}
.rail-spacer{flex:1}
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 24px;border-bottom:1px solid var(--line);background:var(--panel);min-width:0}
.wordmark{font-size:20px;font-weight:650;letter-spacing:-.8px;white-space:nowrap}
.wordmark b{color:var(--brand);font-family:Georgia,serif;font-size:26px;font-style:italic;letter-spacing:-1.2px;margin-right:5px}
.top-divider{height:20px;width:1px;background:var(--line);margin:0 6px}
.top-right{gap:14px}
.top-user{gap:10px;border-left:1px solid var(--line);padding-left:16px}
.top-name{line-height:1.3;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.top-role{line-height:1.3}
.logout-form{margin:0}
.workspace{position:relative;min-width:0;min-height:0;display:flex;flex-direction:column;overflow:hidden}
.workspace:focus{outline:none}
.workspace-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 22px 14px}
.workspace-head h1{font-size:22px;letter-spacing:-.6px;line-height:1.25;margin:0 0 3px;font-weight:650}
.subtitle{color:var(--muted);font-size:12.5px}
.subtitle strong{color:var(--text-2);font-weight:600}
.head-tools{flex-wrap:wrap;justify-content:flex-end}
.page-message{margin:0 22px 12px}
.toasts{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:120;display:flex;flex-direction:column;gap:8px;align-items:center;max-width:calc(100vw - 24px);pointer-events:none}
.toast{pointer-events:auto;display:flex;align-items:flex-start;gap:10px;padding:11px 16px;border-radius:9px;background:#242b33;color:#fff;font-size:13px;box-shadow:var(--shadow);max-width:min(560px,100%);overflow-wrap:anywhere}
.toast .ico{margin-top:2px}
.toast.ok .ico{color:#84c99f}
.toast.error{background:#6a1f22}
.toast.error .ico{color:#ffb4b4}
.toast button{color:inherit;padding:2px;margin:-2px -6px -2px 4px}
@media (prefers-reduced-motion:no-preference){.toast{animation:toast-enter .2s ease-out}@keyframes toast-enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}}

/* Chuyển nhanh giữa các lựa chọn (khu, nhóm bảng…) */
.seg{display:flex;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:3px;gap:2px;max-width:100%}
.seg button{padding:6px 12px;font-size:12.5px;border-radius:6px;color:var(--text-2);display:flex;align-items:center;gap:7px;white-space:nowrap}
.seg button .ico{width:16px;height:16px}
.seg button.active{background:var(--panel);box-shadow:0 1px 3px rgba(32,37,44,.14);color:var(--text);font-weight:600}

/* ── hộp thoại (<dialog>) ───────────────────────────────────────────────── */
.dialog{border:0;border-radius:13px;box-shadow:var(--shadow);background:var(--panel);color:var(--text);padding:0;width:min(580px,calc(100vw - 24px));max-height:min(88vh,88dvh);overflow:hidden;flex-direction:column}
.dialog[open]{display:flex}
.dialog.dialog-small{width:min(440px,calc(100vw - 24px))}
.dialog.dialog-wide{width:min(680px,calc(100vw - 24px))}
.dialog::backdrop{background:rgba(28,35,56,.45)}
.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line);flex:none}
.dialog-head h2,.dialog-title{font-size:17px;letter-spacing:-.2px;line-height:1.35}
.dialog-body{padding:20px;overflow-y:auto;min-height:0;flex:1}
.dialog-foot{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:8px;padding:13px 20px;border-top:1px solid var(--line);background:var(--bg);flex:none}
.dialog-copy{font-size:13px;color:var(--text-2);line-height:1.75;margin:0 0 14px}
.dialog-title+.dialog-copy{margin-top:10px}

/* ── đăng nhập và trang lỗi ─────────────────────────────────────────────── */
.login-frame{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{width:100%;max-width:390px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:28px;box-shadow:var(--shadow)}
.login-card label{display:block;margin:14px 0 4px;font-weight:600;font-size:13px}
.login-card .alert{margin-top:14px}
.login-logo{font-size:24px;margin-bottom:6px}
.login-logo b{font-size:32px}

/* ── màn hẹp ────────────────────────────────────────────────────────────── */
@media (max-width:1250px){
  .top{padding:0 18px}
  .top-tagline,.top-divider{display:none}
  .workspace-head{padding:14px 16px 12px}
  .page-message{margin:0 16px 12px}
}
@media (max-width:760px){
  .layout{grid-template-columns:58px minmax(0,1fr);grid-template-rows:56px minmax(0,1fr)}
  .rail{padding:10px 2px;gap:6px}
  .brand-mark{width:34px;height:32px;font:bold italic 26px/32px Georgia,serif;margin-bottom:14px}
  .nav-btn{width:54px;min-height:54px;font-size:11px}
  .top{padding:0 10px;gap:8px}
  .wordmark{font-size:16px}
  .wordmark b{font-size:22px}
  .top-user{display:none}
  .logout-form .button-label{display:none}
  .logout-form .btn{padding:7px;min-width:36px}
  .workspace-head{padding:12px 12px 10px;align-items:flex-start;flex-direction:column;gap:8px}
  .workspace-head h1{font-size:20px}
  .head-tools{width:100%;justify-content:flex-start}
  .page-message{margin:0 10px 10px}
  .dialog-head,.dialog-body{padding-left:16px;padding-right:16px}
  .dialog-foot{padding-left:16px;padding-right:16px}
  .field,input[type=text],input[type=search],input[type=email],input[type=password],input[type=number],input[type=tel],select,textarea{font-size:16px}
  .toasts{bottom:14px}
}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Dải «mất kết nối» (common.js): nằm trên cùng vùng làm việc, không che nội dung */
.net-banner{display:flex;align-items:center;gap:8px;margin:0 22px 10px;padding:9px 12px;border-radius:8px;background:var(--warn-bg);color:var(--warn);border:1px solid var(--warn-line);font-size:13px;line-height:1.5}
.net-banner[hidden]{display:none}
.net-banner .ico{width:16px;height:16px;flex:none}
@media (max-width:760px){.net-banner{margin:0 12px 8px}}