/* CỔNG QUẢN TRỊ SocialLife — admin.css (đồng bộ nhận diện với trang khảo sát) */
:root{
  --ink:#1c2b33; --ink-soft:#4a5a62; --paper:#f6f7f5; --card:#fff; --line:#dfe3e0;
  --primary:#166b6b; --primary-d:#0f5050; --accent:#c2603a; --ok:#1f7a4d; --err:#b23b3b;
  --radius:12px; --maxw:1040px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:16px;line-height:1.5}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 18px}
.row{display:flex;align-items:center;gap:10px}
.row.between,.between{justify-content:space-between}
.row.gap{gap:10px;flex-wrap:wrap}

.site-header{background:var(--primary);color:#fff;padding:16px 0}
.site-header .brand{font-size:12px;opacity:.9}
.site-header h1{margin:4px 0 0;font-size:20px;font-weight:700}
.who{font-size:14px;display:flex;align-items:center;gap:10px}

main{padding:20px 0 60px}
.toolbar{margin:6px 0 16px}
.toolbar label{font-weight:600}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin:16px 0}
.card h2{margin:0 0 14px;font-size:17px;color:var(--primary-d)}
.card h3.sub{margin:18px 0 6px;font-size:14px;color:var(--ink-soft);font-weight:600}
.muted{color:var(--ink-soft)}

.login{max-width:380px;margin:40px auto}
.fld{display:block;width:100%;font:inherit;padding:10px 12px;margin:8px 0;
  border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
.fld.inline{display:inline-block;width:auto;min-width:220px;margin:0}

.kpis{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:16px}
.kpi{background:#eef3f1;border-radius:10px;padding:12px 18px;min-width:130px}
.kpi-n{font-size:26px;font-weight:700;color:var(--primary-d)}
.kpi-l{font-size:13px;color:var(--ink-soft)}

.chart-wrap{position:relative;max-width:760px}
canvas{max-width:100%}

.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{border:1px solid var(--line);padding:7px 9px;text-align:left;vertical-align:top}
.tbl th{background:#eef3f1;color:var(--primary-d);font-weight:600}

.btn-primary{background:var(--primary);color:#fff;border:0;border-radius:10px;font:inherit;font-weight:700;
  padding:11px 18px;min-height:44px;cursor:pointer}
.btn-primary:hover{background:var(--primary-d)}
.btn-primary:disabled{opacity:.55}
.btn-ghost{background:#fff;color:var(--primary-d);border:1.5px solid var(--primary);border-radius:10px;
  font:inherit;font-weight:600;padding:10px 16px;min-height:44px;cursor:pointer}
.btn-ghost.sm{padding:5px 12px;min-height:0;font-size:13px;color:#fff;border-color:rgba(255,255,255,.6);background:transparent}

.notice{padding:13px 15px;border-radius:var(--radius);margin:14px 0;background:#eef3f1}
.notice.err{background:#fbeceb;color:var(--err)}
.notice code{background:rgba(0,0,0,.06);padding:1px 6px;border-radius:6px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* trang liệt kê khảo sát */
.srow{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;justify-content:space-between;
  padding:12px 0;border-top:1px solid var(--line,#e4e7e7)}
.srow:first-child{border-top:0}
.srow .muted{font-size:13px}
#nav{margin-bottom:12px}

/* phân tích phân tổ */
.infer-result{margin-top:12px}
.infer-result .note,.note{font-size:12px;color:var(--ink-soft);margin:6px 0 0;line-height:1.5}
.infer-result .pct,.pct{font-size:12px;color:var(--ink-soft)}
.tbl tr.tot td{font-weight:700;background:#f6f9f8}
select.fld.inline{min-width:160px;max-width:280px}

/* tạo biểu mẫu */
textarea.fld{width:100%;box-sizing:border-box;padding:9px 11px;border:1.5px solid var(--line);border-radius:8px;font:inherit}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;line-height:1.45}
.notice.warn{background:#fff7e6;border:1px solid #f0c869;color:#7a5500;padding:8px 12px;border-radius:8px;margin-top:8px}
.notice.ok{background:#e9f7ef;border:1px solid #8fd3ad;color:#1c6b43;padding:8px 12px;border-radius:8px;margin-top:8px}
.notice.err{background:#fdecec;border:1px solid #e2a3a3;color:#9b1c1c;padding:8px 12px;border-radius:8px;margin-top:8px}
.notice ul{margin:6px 0 0 18px}
.outline-wrap{max-height:420px;overflow:auto}
.outline h4{margin:12px 0 4px;color:var(--primary-d)}
.outline .ol-q{margin:0 0 0 18px}
.outline .ol-o{margin:2px 0 6px 18px;color:var(--ink-soft)}
.outline .qc{font-weight:700}
.outline .qt{color:var(--clay,#c2603a);font-size:12px}
.outline .intro-prev{background:#f6f9f8;border-left:3px solid var(--primary,#1f6f54);padding:8px 12px;margin:8px 0;font-size:13px;color:var(--ink-soft)}
.outline .cond{display:inline-block;margin-left:6px;font-size:12px;background:#fff3e0;border:1px solid #f0c869;border-radius:6px;padding:0 6px;color:#7a5500}
.help{margin:8px 0;border:1px solid var(--line,#dfe6e3);border-radius:8px;padding:6px 10px;background:#fafcfb}
.help summary{cursor:pointer;font-size:13px;color:var(--primary,#1f6f54);font-weight:600}
.help .muted{margin-top:6px;line-height:1.7;font-size:13px}
.help code{background:#eef3f1;border:1px solid #dfe6e3;border-radius:4px;padding:0 4px;font-size:12px}

/* Trình chỉnh sửa bộ hỏi trực quan */
.editor .small{font-size:12px}
.editor .grow{flex:1;min-width:160px}
.editor .mini{width:84px}
.seccard{border:1px solid #cfe0d9;border-radius:10px;padding:12px;margin:12px 0;background:#fbfdfc}
.sechead{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.sectag{font-weight:700;color:var(--primary,#1f6f54);font-size:12px;letter-spacing:.05em}
.spacer{flex:1}
.qcard{border:1px solid #e3e9e7;border-radius:8px;padding:10px;margin:8px 0;background:#fff}
.qhead{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:6px}
.qnum{font-weight:700;color:#557}
.qreq{display:inline-flex;align-items:center;gap:2px;font-size:13px;color:#456}
.qtext{width:100%;resize:vertical}
.opts{margin:6px 0 2px;padding-left:8px;border-left:2px solid #e3e9e7}
.opt-row{display:flex;align-items:center;gap:6px;margin:4px 0}
.rel{margin-top:6px;align-items:center}
.lbl{font-size:13px;color:#456;white-space:nowrap}
.row-center{margin:12px 0;text-align:center}
.btn-mini{border:1px solid #cfd8d5;background:#fff;color:#234;font:inherit;font-size:13px;padding:3px 9px;border-radius:6px;cursor:pointer}
.btn-mini:hover{background:#f1f5f3}
.btn-mini.danger{border-color:#e6b3b3;color:#9b1c1c}

/* Khối phiếu (giới thiệu/cảm ơn) và điều kiện cấp phần */
.seccard.meta{background:#eef3f7;border-color:#cdd9e3}
.secrel{margin:2px 0 8px;align-items:center}
.editor details.help{margin:8px 0;background:#f7faf9;border:1px dashed #cfd8d5;border-radius:8px;padding:8px 10px}
.editor details.help textarea{margin-top:6px}
.editor details.help summary{cursor:pointer;font-weight:600;color:var(--primary,#1f6f54)}

/* Bộ dựng điều kiện nhảy bằng cách chọn */
.relbuild{align-items:center;flex-wrap:wrap;margin-top:6px;background:#f7faf9;border:1px dashed #cfd8d5;border-radius:8px;padding:6px 8px}
.relbuild .chip{background:#eef3f7;border:1px solid #cdd9e3;border-radius:12px;padding:2px 10px;font-size:13px}
.valmulti{display:flex;flex-wrap:wrap;gap:8px}
.valchk{display:inline-flex;align-items:center;font-size:13px}

/* Khung xem trước phiếu (như người trả lời) */
.pv-overlay{position:fixed;inset:0;background:rgba(20,40,35,.45);display:flex;align-items:flex-start;justify-content:center;padding:24px;z-index:1000;overflow:auto}
.pv-panel{background:#fff;max-width:680px;width:100%;border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.25);max-height:92vh;display:flex;flex-direction:column}
.pv-head{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid #e3e9e7}
.pv-body{padding:16px;overflow:auto}
.pv-intro{background:#f3f7f5;border-radius:8px;padding:10px 12px;margin-bottom:14px}
.pv-section{margin-bottom:16px}
.pv-sectitle{color:var(--primary,#1f6f54);margin:8px 0}
.pv-q{margin:10px 0;padding-bottom:8px;border-bottom:1px dashed #eef1f0}
.pv-qtext{font-weight:600;margin-bottom:6px}
.pv-req{color:#c0392b}
.pv-opts{display:flex;flex-direction:column;gap:4px}
.pv-opt,.pv-scalept{display:flex;align-items:center;gap:6px;font-weight:400}
.pv-scale{display:flex;flex-wrap:wrap;gap:10px}
.pv-note{color:#789;font-size:13px;margin-top:8px}

/* Thư viện khối dựng sẵn */
.libbody{margin:4px 0}
.libcat{margin-top:8px;color:#557}
.blkrow{display:flex;align-items:center;gap:8px;padding:4px 0;border-bottom:1px dashed #eef1f0}
.blkrow .grow{flex:1}

/* Cảnh báo hợp lệ trực tiếp trên thẻ câu/phần */
.qwarn{display:flex;flex-wrap:wrap;gap:6px 12px;margin-top:6px}
.qwarn-item{color:#a15c00;background:#fff7e6;border:1px solid #f0d9a0;border-radius:6px;padding:1px 8px;font-size:12px}