/* LeadTalk — "Mỗi buổi học là một cuộc họp"
   Màu: mực navy cho bề mặt quan trọng, navy thương hiệu cho hành động, hổ phách chỉ dùng làm tín hiệu
   (tiến độ, chuỗi ngày, điểm nhấn). Font: Space Grotesk (thương hiệu, tiêu đề, con số) + Be Vietnam Pro
   (thiết kế cho tiếng Việt, dấu rõ ràng). */
:root{
  --ink:#0B2440; --ink-2:#12345A; --navy:#0F4C81; --navy-2:#0B3A63;
  --paper:#F3F5F8; --surface:#FFFFFF; --line:#DCE2EA; --line-2:#EBEFF4;
  --text:#16202C; --muted:#5A6676; --faint:#8B95A3;
  --amber:#E8A13A; --amber-ink:#8A5A12; --amber-soft:#FBF1E0;
  --green:#1E7B4E; --green-soft:#E6F3EC; --red:#B3261E; --red-soft:#FBEAE8; --soft:#E8F0F8;
  --r-lg:16px; --r:12px; --r-sm:8px;
  --shadow:0 1px 2px rgba(11,36,64,.06),0 8px 24px -12px rgba(11,36,64,.18);
  --display:'Space Grotesk','Be Vietnam Pro',Arial,sans-serif;
  --body:'Be Vietnam Pro',Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--body);font-size:15px;line-height:1.55;background:var(--paper);color:var(--text);-webkit-font-smoothing:antialiased}
a{color:var(--navy);text-underline-offset:3px}
h1,h2,h3,h4{font-family:var(--display);letter-spacing:-.015em;line-height:1.2;margin:0 0 .5em;font-weight:600}
h1{font-size:2rem}h2{font-size:1.45rem}h3{font-size:1.1rem}h4{font-size:1rem}
p{margin:0 0 .8em}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:4px}
.muted{color:var(--muted)}.small{font-size:.86rem}.center{text-align:center}.r{text-align:right}.warn{color:var(--amber-ink)}
.hidden{display:none!important}
.num{font-family:var(--display);font-variant-numeric:tabular-nums}

/* ---------- khung trang */
.top{position:sticky;top:0;z-index:20;background:var(--ink);color:#fff;border-bottom:1px solid rgba(255,255,255,.06)}
.top-in{max-width:1180px;margin:0 auto;height:64px;padding:0 24px;display:flex;align-items:center;gap:32px}
.top a{color:#fff;text-decoration:none}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.wordmark{font-family:var(--display);font-weight:500;font-size:1.25rem;letter-spacing:-.02em;line-height:1}
.wordmark b{font-weight:700}
.nav{display:flex;gap:4px;flex:1}
.nav a{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;color:#C8D4E3;font-weight:500;font-size:.93rem}
.nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav a[aria-current=page]{color:#fff;background:rgba(255,255,255,.1)}
.nav svg,.tabbar svg{width:18px;height:18px;flex:none}
.me-chip{display:flex;align-items:center;gap:10px;font-size:.9rem;color:#C8D4E3}
.me-chip .ini{width:34px;height:34px;border-radius:50%;background:var(--ink-2);border:1px solid rgba(255,255,255,.18);display:grid;place-items:center;font-family:var(--display);font-weight:600;color:#fff}
.me-chip a{color:#C8D4E3}.me-chip a:hover{color:#fff}
.demo-bar{background:var(--amber-soft);color:var(--amber-ink);text-align:center;font-size:.82rem;padding:6px 16px}
.wrap{max-width:1180px;margin:0 auto;padding:32px 24px 72px}
.tabbar{display:none}

/* ---------- thành phần cơ bản */
.card{background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:24px;margin-bottom:20px;box-shadow:var(--shadow)}
.card>h3:first-child{margin-bottom:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border:1px solid var(--line);background:var(--surface);color:var(--text);padding:10px 18px;border-radius:10px;font:600 .95rem var(--body);cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s}
.btn:hover{border-color:var(--navy);background:#FAFBFD}
.btn:disabled{opacity:.6;cursor:wait}
.btn.primary{background:var(--navy);border-color:var(--navy);color:#fff}.btn.primary:hover{background:var(--navy-2)}
.btn.success{background:var(--ink);border-color:var(--ink);color:#fff}.btn.success:hover{background:var(--ink-2)}
.btn.gold{background:var(--amber);border-color:var(--amber);color:#1D1406}.btn.gold:hover{background:#DC9226}
.btn.big{min-height:52px;padding:14px 26px;font-size:1.02rem}.btn.sm{min-height:36px;padding:6px 12px;font-size:.86rem}
.btn.ghost{background:transparent}.full{width:100%;display:flex}
label{display:block;font-size:.88rem;font-weight:600;margin-bottom:12px;color:var(--text)}
input:not([type=checkbox]):not([type=radio]),textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font:400 1rem var(--body);margin-top:6px;background:#fff;color:var(--text)}
textarea{resize:vertical;line-height:1.5}
input:focus,textarea:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px var(--soft)}
input[type=checkbox],input[type=radio]{accent-color:var(--navy);width:18px;height:18px}
.flash{padding:12px 16px;border-radius:var(--r);margin-bottom:18px;background:var(--soft);border:1px solid #CFDCEB}
.flash.ok{background:var(--green-soft);border-color:#BFE0CD;color:#14532D}.flash.err{background:var(--red-soft);border-color:#F1C7C2;color:#7F1D1D}.flash.info{background:var(--amber-soft);border-color:#F1DBB4;color:var(--amber-ink)}
.row{display:flex;align-items:center;gap:8px}.flexwrap{flex-wrap:wrap}.gap{gap:12px}.grow{flex:1}.col{display:flex;flex-direction:column}
.row.center{justify-content:center;flex-wrap:wrap}
.grid2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;align-items:start}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:20px}
.span2{grid-column:1/-1}
.tag{display:inline-flex;align-items:center;gap:6px;background:var(--soft);color:var(--navy);font-size:.8rem;font-weight:600;padding:4px 10px;border-radius:999px}
.pill{display:inline-block;background:var(--line-2);font-size:.78rem;padding:3px 10px;border-radius:999px;font-weight:600;color:var(--muted)}
.pill.ok{background:var(--green-soft);color:var(--green)}.pill.gold{background:var(--amber-soft);color:var(--amber-ink)}
.tbl{width:100%;border-collapse:collapse;font-size:.93rem}
.tbl td,.tbl th{padding:11px 8px;border-bottom:1px solid var(--line-2);text-align:left;vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl th{font-size:.8rem;color:var(--muted);font-weight:600}
.tbl .r{text-align:right}.tbl tr.dim{opacity:.5}
.tbl a{text-decoration:none;font-weight:500}.tbl a:hover{text-decoration:underline}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.page-head h1{margin:0}.page-head p{margin:4px 0 0}

/* ---------- trang chủ: lời chào + lịch hẹn */
.greet{margin-bottom:24px}
.greet .date{color:var(--muted);font-size:.95rem;margin-bottom:4px}
.greet h1{font-size:2.1rem;margin:0}
.home{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(0,1fr);gap:20px;margin-bottom:20px}
.meeting{position:relative;background:var(--ink);color:#fff;border-radius:20px;padding:28px;display:grid;grid-template-columns:auto minmax(0,1fr);gap:28px;overflow:hidden;box-shadow:0 20px 40px -24px rgba(11,36,64,.6)}
.meeting::after{content:"";position:absolute;right:-90px;top:-90px;width:260px;height:260px;border-radius:50%;border:2px solid rgba(232,161,58,.35);pointer-events:none}
.meeting .when{border-right:1px solid rgba(255,255,255,.14);padding-right:28px;display:flex;flex-direction:column;gap:4px;min-width:118px}
.meeting .when .t{font-family:var(--display);font-size:2.6rem;font-weight:600;line-height:1;letter-spacing:-.03em}
.meeting .when .d{color:#AFC0D4;font-size:.88rem}
.meeting .when .len{margin-top:auto;color:var(--amber);font-weight:600;font-size:.88rem}
.meeting h2{font-size:1.65rem;margin:6px 0 10px;color:#fff}
.meeting .kicker{color:#AFC0D4;font-size:.9rem}
.meeting p.goal{color:#DCE5EF;max-width:56ch}
.meeting .who{display:flex;align-items:center;gap:12px;margin:18px 0 22px}
.meeting .who .avatar{background:#fff;color:var(--ink)}
.meeting .who b{display:block}.meeting .who span{color:#AFC0D4;font-size:.88rem}
.meeting .done{display:flex;align-items:center;gap:12px;color:#DCE5EF}
.side-stack{display:flex;flex-direction:column;gap:20px}
.week-card{display:flex;gap:18px;align-items:center}
.ring{flex:none;position:relative;width:104px;height:104px}
.ring svg{transform:rotate(-90deg)}
.ring .lbl{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring .lbl b{font-family:var(--display);font-size:1.6rem;line-height:1}.ring .lbl small{color:var(--muted);font-size:.78rem}
.kv{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.kv div{background:var(--paper);border-radius:var(--r);padding:12px 14px}
.kv span{display:block;color:var(--muted);font-size:.8rem}
.kv b{font-family:var(--display);font-size:1.35rem;font-weight:600}
.notice{display:flex;justify-content:space-between;align-items:center;gap:16px;background:var(--amber-soft);border:1px solid #F1DBB4;border-radius:var(--r-lg);padding:16px 20px;margin-bottom:20px}
.notice b{font-family:var(--display)}

/* lộ trình 8 tuần: dòng thời gian (nội dung là chuỗi tuần thật) */
.timeline{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:0;position:relative}
.timeline li{position:relative;padding:0 8px 0 0}
.timeline li::before{content:"";position:absolute;left:16px;right:-16px;top:16px;height:2px;background:var(--line)}
.timeline li:last-child::before{display:none}
.timeline li.done::before{background:var(--navy)}
.timeline .wn{position:relative;z-index:1;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--surface);border:2px solid var(--line);font-family:var(--display);font-weight:600;font-size:.9rem;color:var(--muted)}
.timeline li.done .wn{background:var(--navy);border-color:var(--navy);color:#fff}
.timeline li.current .wn{border-color:var(--amber);color:var(--ink);box-shadow:0 0 0 4px var(--amber-soft)}
.timeline .wt{display:block;margin-top:10px;font-weight:600;font-size:.86rem;line-height:1.3}
.timeline .ws{display:block;color:var(--muted);font-size:.78rem;margin-top:2px}
.timeline li.locked .wt{color:var(--faint);font-weight:500}
/* biểu đồ điểm */
.bars{display:flex;gap:14px;align-items:flex-end;height:170px;padding-top:24px}
.bar{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end;max-width:64px}
.bar .fill{width:100%;background:var(--navy);border-radius:8px 8px 2px 2px;position:relative;min-height:4px}
.bar:last-child .fill{background:var(--amber)}
.bar .fill span{position:absolute;top:-22px;left:0;right:0;text-align:center;font:600 .82rem var(--display)}
.bar small{font-size:.74rem;color:var(--muted);margin-top:6px;text-align:center}
.score{font-family:var(--display);font-weight:600}

/* ---------- avatar / đối tác / mẫu câu */
.partner{display:flex;gap:12px;align-items:center;margin:12px 0}
.avatar{flex:none;width:44px;height:44px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font:600 1.05rem var(--display)}
.avatar.lg{width:64px;height:64px;font-size:1.5rem}
.phrases{padding-left:0;list-style:none;margin:0}.phrases li{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px solid var(--line-2)}
.phrases li:last-child{border-bottom:0}
.say{flex:none;display:inline-grid;place-items:center;width:32px;height:32px;padding:0;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--navy);cursor:pointer;vertical-align:middle;transition:background .15s,border-color .15s}
.say:hover{background:var(--navy);border-color:var(--navy);color:#fff}
.say::before{content:"";width:15px;height:15px;background:currentColor;-webkit-mask:var(--ic) center/contain no-repeat;mask:var(--ic) center/contain no-repeat;
--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 9v6h4l5 5V4L7 9H3z'/%3E%3Cpath d='M16.5 12a4.5 4.5 0 0 0-2.5-4v8a4.5 4.5 0 0 0 2.5-4z'/%3E%3Cpath d='M14 3.2v2.1a7 7 0 0 1 0 13.4v2.1a9 9 0 0 0 0-17.6z'/%3E%3C/svg%3E")}
.say.playing{background:var(--navy);border-color:var(--navy);color:#fff;animation:ring 1.2s ease-out infinite}
.say.playing::before{width:11px;height:11px;--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Crect x='3' y='3' width='18' height='18' rx='3'/%3E%3C/svg%3E")}
.say.loading::before{-webkit-mask:none;mask:none;background:none;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;width:14px;height:14px;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes ring{0%{box-shadow:0 0 0 0 rgba(15,76,129,.35)}100%{box-shadow:0 0 0 9px rgba(15,76,129,0)}}
.good .say{margin-left:6px;width:28px;height:28px}

/* ---------- trang chuẩn bị (briefing) */
.brief{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:20px;align-items:start}
.brief-main{background:var(--ink);color:#fff;border-radius:20px;padding:32px}
.brief-main h1{color:#fff;font-size:2rem;margin:8px 0 16px}
.brief-main .kicker{color:#AFC0D4}
.brief-main .partner b{display:block;font-size:1.05rem}.brief-main .partner span{color:#AFC0D4;font-size:.9rem}
.brief-main .avatar{background:#fff;color:var(--ink)}
.brief-main h3{color:#fff;margin-top:24px;font-size:1rem}
.brief-main p{color:#DCE5EF}
.brief-main .tip{border-top:1px solid rgba(255,255,255,.14);padding-top:16px;margin-top:24px;color:#AFC0D4;font-size:.9rem}

/* ---------- thư viện */
.wk{margin:32px 0 12px;display:flex;align-items:baseline;gap:12px}
.wk .wn{font-family:var(--display);color:var(--amber-ink);font-weight:600}
.sc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.sc{margin:0;display:flex;flex-direction:column;gap:6px;padding:20px}
.sc b{font-family:var(--display);font-size:1.02rem}
.sc .row{margin-top:auto;justify-content:space-between;padding-top:8px}

/* ---------- phòng họp luyện nói */
.room{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;align-items:start}
.room-main{min-width:0}
.room-side{position:sticky;top:84px}
.room-side .card{margin-bottom:16px}
.chat-head{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--ink);color:#fff;border-radius:var(--r-lg) var(--r-lg) 0 0;padding:14px 20px}
.chat-head .partner{margin:0}.chat-head .partner b{display:block}.chat-head .partner span{color:#AFC0D4;font-size:.85rem}
.chat-head .avatar{background:#fff;color:var(--ink);width:40px;height:40px}
.live{display:flex;align-items:center;gap:8px;color:#AFC0D4;font-size:.85rem}
.live i{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px rgba(232,161,58,.2)}
.chat{background:var(--surface);border:1px solid var(--line-2);border-top:0;border-radius:0 0 var(--r-lg) var(--r-lg);padding:20px;min-height:320px;max-height:56vh;overflow-y:auto;display:flex;flex-direction:column;gap:12px;margin-bottom:16px}
.chat.static{max-height:none;padding:0;margin-top:12px;border:0;border-radius:0;min-height:0}
.msg{display:flex;align-items:flex-end;gap:6px;max-width:80%}
.msg.me{align-self:flex-end;flex-direction:row-reverse}
.bubble{padding:11px 15px;border-radius:16px;white-space:pre-wrap;line-height:1.5}
.msg.them .bubble{background:var(--paper);border-bottom-left-radius:4px}
.msg.me .bubble{background:var(--navy);color:#fff;border-bottom-right-radius:4px}
.msg.typing .bubble{color:var(--muted);animation:pulse 1s infinite}.msg.error .bubble{background:var(--red-soft);color:#7F1D1D}
@keyframes pulse{50%{opacity:.4}}
.msg .say{align-self:center;margin:0 2px}.msg.typing .say,.msg.error .say{display:none}
.vmeta{font-size:.75rem;opacity:.85;margin-top:6px;display:flex;align-items:center;gap:6px}
.vbadge{display:inline-block;width:12px;height:12px;background:currentColor;-webkit-mask:var(--mic) center/contain no-repeat;mask:var(--mic) center/contain no-repeat;font-size:0;
--mic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 14a3 3 0 0 0 3-3V5a3 3 0 0 0-6 0v6a3 3 0 0 0 3 3z'/%3E%3Cpath d='M17 11a5 5 0 0 1-10 0H5a7 7 0 0 0 6 6.92V21h2v-3.08A7 7 0 0 0 19 11h-2z'/%3E%3C/svg%3E")}
.own{border:0;border-radius:50%;width:22px;height:22px;font-size:.6rem;cursor:pointer;background:rgba(255,255,255,.22);color:inherit}
.own.playing{background:#fff;color:var(--navy)}
.hint{background:var(--amber-soft);border:1px solid #F1DBB4;box-shadow:none}
.hint .use{text-decoration:none;color:var(--text)}.hint .use:hover{text-decoration:underline}
.sug{list-style:none;padding:0;margin:8px 0}.sug li{display:flex;align-items:center;gap:10px;padding:4px 0}
/* khung trả lời */
.composer{padding:18px 20px;margin-bottom:12px}
.mic-zone{display:flex;align-items:center;gap:20px;padding:4px 0 14px;flex-wrap:wrap}
.mic{flex:none;width:76px;height:76px;border-radius:50%;border:0;cursor:pointer;background:var(--navy);color:#fff;display:grid;place-items:center;box-shadow:0 10px 24px -8px rgba(15,76,129,.55);transition:transform .1s,background .2s}
.mic:hover{background:var(--navy-2)}.mic:active{transform:scale(.95)}.mic:disabled{opacity:.45;cursor:wait;box-shadow:none}
.mic-ic{width:30px;height:30px;background:currentColor;-webkit-mask:var(--mic) center/contain no-repeat;mask:var(--mic) center/contain no-repeat;
--mic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 14a3 3 0 0 0 3-3V5a3 3 0 0 0-6 0v6a3 3 0 0 0 3 3z'/%3E%3Cpath d='M17 11a5 5 0 0 1-10 0H5a7 7 0 0 0 6 6.92V21h2v-3.08A7 7 0 0 0 19 11h-2z'/%3E%3C/svg%3E")}
[data-state=recording] .mic{background:var(--red);animation:recpulse 1.4s infinite}
[data-state=recording] .mic-ic{width:24px;height:24px;--mic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Crect x='4' y='4' width='16' height='16' rx='3'/%3E%3C/svg%3E")}
[data-state=processing] .mic-ic,[data-state=waiting] .mic-ic{-webkit-mask:none;mask:none;background:none;border:3px solid #fff;border-right-color:transparent;border-radius:50%;width:28px;height:28px;animation:spin .8s linear infinite}
@keyframes recpulse{0%{box-shadow:0 0 0 0 rgba(179,38,30,.45)}100%{box-shadow:0 0 0 18px rgba(179,38,30,0)}}
.mic-text{flex:1;min-width:200px}
.mic-label{font-family:var(--display);font-size:1.15rem;font-weight:600}
[data-state=recording] .mic-label{color:var(--red)}
.rec-info{display:flex;align-items:center;gap:12px;width:100%;padding-left:96px}
.rec-time{font:600 1rem var(--display);font-variant-numeric:tabular-nums;color:var(--red);min-width:44px}
#wave{height:36px;width:160px}
.live-text{margin-top:6px;font-style:italic}
.review{background:var(--paper);border-radius:var(--r);padding:16px;margin-bottom:12px}
.review-text{font-size:1.12rem;margin:6px 0 4px;line-height:1.5}
.review .row{margin-top:12px}.review .tip{margin:12px 0 0}
.composer-foot{border-top:1px solid var(--line-2);padding-top:12px;margin-top:4px}
.composer #typePane textarea{margin:0 0 8px}
.linkbtn{border:0;background:none;color:var(--navy);cursor:pointer;font:600 .86rem var(--body);padding:6px 2px}
.linkbtn:hover{text-decoration:underline}
.switch{display:flex;gap:8px;align-items:center;font-weight:400}
.switch.small{font-size:.85rem;margin:0}
.finish{margin:4px 0 0}
.finish .btn{width:100%}

/* ---------- kết quả */
.result-head{display:flex;justify-content:space-between;gap:24px;align-items:center}
.result-head h1{font-size:1.8rem}
.score-ring{flex:none;width:120px;height:120px;border-radius:50%;background:var(--ink);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:inset 0 0 0 6px var(--amber)}
.score-ring b{font:600 2.3rem var(--display);line-height:1}.score-ring small{color:#AFC0D4}
.mini-score{margin:0;padding:18px}.mini-score span{font-size:.85rem;color:var(--muted)}.mini-score b{font:600 1.7rem var(--display);display:block;margin:2px 0 8px}
.meter{height:6px;background:var(--line-2);border-radius:99px;overflow:hidden}.meter div{height:100%;background:var(--navy);border-radius:99px}
.corr{border-left:3px solid var(--amber);padding:6px 14px;margin-bottom:14px}
.bad{color:var(--red)}.good{color:var(--green);font-weight:600}
blockquote{margin:8px 0;padding:12px 16px;background:var(--paper);border-radius:var(--r);white-space:pre-wrap}.good-q{background:var(--green-soft)}
.prompt{background:var(--soft);padding:14px 16px;border-radius:var(--r)}
.big-note{font-size:1.1rem}.up{color:var(--green)}.down{color:var(--red)}
.speak-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:8px 0 14px}
.speak-stats div{background:var(--paper);border-radius:var(--r);padding:14px;text-align:center}
.speak-stats b{display:block;font:600 1.45rem var(--display)}.speak-stats span{font-size:.8rem;color:var(--muted)}

/* ---------- test */
fieldset.q{border:0;border-bottom:1px solid var(--line-2);padding:16px 0;margin:0}
fieldset.q legend{font-weight:600;padding:0;margin-bottom:8px;display:flex;gap:10px;align-items:flex-start}
.qn{flex:none;display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--ink);color:#fff;font:600 .82rem var(--display)}
.opt{font-weight:400;display:flex;gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--line-2);border-radius:10px;margin:6px 0 0 38px;cursor:pointer}
.opt:hover{border-color:var(--navy)}
.opt:has(input:checked){border-color:var(--navy);background:var(--soft)}
.ans{padding:12px 0;border-bottom:1px solid var(--line-2)}.ans.ok b:first-child::before{content:"✓ ";color:var(--green)}.ans.no b:first-child::before{content:"✗ ";color:var(--red)}
.steps{padding-left:20px}.steps li{margin-bottom:8px}
.hero{max-width:760px}

/* ---------- cài đặt */
.days{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 16px}
.day{margin:0}.day input{position:absolute;opacity:0;width:1px;height:1px}.day span{display:inline-block;padding:8px 14px;border:1px solid var(--line);border-radius:999px;font-weight:500;cursor:pointer;min-height:40px}
.day input:checked+span{background:var(--navy);color:#fff;border-color:var(--navy)}
.day input:focus-visible+span{outline:3px solid var(--amber);outline-offset:2px}
.channel{border-top:1px solid var(--line-2);padding:14px 0}
.form-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:4px 18px}

/* ---------- đăng nhập */
.auth-page{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}
.auth-art{background:var(--ink);color:#fff;padding:56px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.auth-art::after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;border:2px solid rgba(232,161,58,.35);right:-220px;bottom:-200px}
.auth-art .brand img{width:44px;height:44px}
.auth-art .quote{font-family:var(--display);font-size:2.3rem;line-height:1.15;letter-spacing:-.02em;max-width:15ch;font-weight:500}
.auth-art .sub{color:#AFC0D4;max-width:40ch}
.auth-form{display:flex;align-items:center;justify-content:center;padding:40px 24px;background:var(--surface)}
.auth{width:100%;max-width:380px}
.auth h1{font-size:1.7rem}
.auth form{margin-top:24px}
.wordmark.big{font-size:1.6rem}
.auth-logo{display:none}
.tagline{color:#AFC0D4;font-size:.95rem;margin:0}

/* ---------- điện thoại */
@media (max-width:860px){
  .top-in{height:56px;padding:0 16px}
  .nav{display:none}
  .me-chip .nm{display:none}
  .wrap{padding:20px 16px 104px}
  .tabbar{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;position:fixed;left:0;right:0;bottom:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
  .tabbar a{display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 0;color:var(--muted);text-decoration:none;font-size:.7rem;font-weight:600;min-height:48px;justify-content:center}
  .tabbar a[aria-current=page]{color:var(--navy)}
  .tabbar svg{width:22px;height:22px}
  .greet h1{font-size:1.55rem}
  .home,.grid2,.brief,.room,.form-grid{grid-template-columns:minmax(0,1fr)}
  .meeting{grid-template-columns:minmax(0,1fr);gap:16px;padding:22px}
  .meeting .when{flex-direction:row;align-items:baseline;gap:10px;border-right:0;border-bottom:1px solid rgba(255,255,255,.14);padding:0 0 14px}
  .meeting .when .t{font-size:2rem}.meeting .when .len{margin:0 0 0 auto}
  .meeting h2{font-size:1.35rem}
  .meeting .btn{width:100%}
  .timeline{grid-template-columns:minmax(0,1fr);gap:0}
  .timeline li{display:grid;grid-template-columns:34px minmax(0,1fr);column-gap:12px;padding:0 0 16px}
  .timeline li::before{left:16px;right:auto;top:34px;bottom:0;width:2px;height:auto}
  .timeline .wt{margin-top:6px}.timeline .ws{grid-column:2}
  .grid4,.speak-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sc-grid{grid-template-columns:minmax(0,1fr)}
  .room-side{position:static}
  .chat{max-height:none;min-height:240px}
  .msg{max-width:92%}
  .result-head{flex-direction:column-reverse;align-items:flex-start}
  .rec-info{padding-left:0}.mic{width:68px;height:68px}
  .brief-main{padding:24px}.brief-main h1{font-size:1.6rem}
  .auth-page{grid-template-columns:minmax(0,1fr)}
  .auth-art{padding:28px 24px;gap:28px}.auth-art .quote{font-size:1.6rem}
  .auth-art::after{width:280px;height:280px;right:-120px;bottom:-140px}
  h1{font-size:1.6rem}
  .card{padding:18px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.btn.onink{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}.btn.onink:hover{background:rgba(255,255,255,.08);border-color:#fff}
.done svg{width:22px;height:22px;color:var(--amber)}
.timeline .wn svg{width:16px;height:16px}
.h-ic{display:flex;align-items:center;gap:8px}.h-ic svg{width:18px;height:18px;color:var(--amber)}
.brief-side .phrases li{font-size:.98rem}
.btn svg{width:18px;height:18px}
.room-side .phrases .say{width:28px;height:28px}
.room-side .phrases li{align-items:flex-start}.room-side .phrases li span{padding-top:3px}
@media (max-width:860px){.room{gap:4px}}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:20px}
.stat{background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:18px 20px;box-shadow:var(--shadow)}
.stat span{display:block;color:var(--muted);font-size:.84rem}.stat b{display:block;font:600 1.6rem var(--display);margin:4px 0 2px;font-variant-numeric:tabular-nums}.stat small{color:var(--muted);font-size:.8rem}
@media (max-width:860px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
.me-chip{margin-left:auto}
.done svg{flex:none}
.meeting .when .len{margin-top:14px}
.home{align-items:start}
@media (max-width:860px){.meeting .done{flex-wrap:wrap}.meeting .done .btn{width:auto}}
.live{white-space:nowrap;flex:none}.chat-head .partner{min-width:0}
/* menu tài khoản */
.me-chip{position:relative}
.me-chip summary{list-style:none;display:flex;align-items:center;gap:10px;cursor:pointer;padding:4px 4px 4px 10px;border-radius:999px;color:#C8D4E3}
.me-chip summary::-webkit-details-marker{display:none}
.me-chip summary:hover,.me-chip[open] summary{background:rgba(255,255,255,.08);color:#fff}
.me-pop{position:absolute;right:0;top:calc(100% + 10px);width:260px;background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 18px 40px -16px rgba(11,36,64,.35);padding:6px;z-index:40}
.me-who{padding:10px 12px 12px;border-bottom:1px solid var(--line-2);margin-bottom:6px}
.me-who b{display:block}.me-who span{color:var(--muted);font-size:.85rem;word-break:break-all}
.me-pop a,.me-pop button{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border:0;background:none;border-radius:8px;color:var(--text)!important;font:500 .93rem var(--body);text-decoration:none;cursor:pointer;min-height:44px}
.me-pop a:hover,.me-pop button:hover{background:var(--paper)}
.me-pop button{color:var(--red)!important}
.me-pop svg,.account-card svg{width:18px;height:18px;flex:none}
.logout-form{margin:0}
.btn.danger{color:var(--red);border-color:#F1C7C2}.btn.danger:hover{background:var(--red-soft);border-color:var(--red)}
.account-card{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:20px}
.account-card h3{margin-bottom:4px}

/* ---------- đăng ký, bảng giá, nâng cấp */
select{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font:400 1rem var(--body);margin-top:6px;background:#fff;color:var(--text)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.agree{align-items:flex-start;font-size:.88rem;margin:4px 0 18px}.agree input{margin-top:2px;flex:none}
.pub-cta{margin-left:auto;display:flex;align-items:center;gap:16px}
.pub-cta a:not(.btn){color:#C8D4E3;font-weight:500}.pub-cta a:not(.btn):hover{color:#fff}
.top .btn.gold{color:#1D1406}
.badge{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:var(--amber);color:#1D1406;font-size:.72rem;font-weight:700}
.tabbar .badge{position:absolute;margin-left:22px;margin-top:-30px}
.tabbar a{position:relative}
.me-plan{display:flex;align-items:center;justify-content:space-between;margin-top:10px}
.me-plan a{padding:0!important;min-height:0!important;width:auto!important;color:var(--navy)!important;font-weight:600!important}
.me-plan a:hover{background:none!important;text-decoration:underline}
.price-head{text-align:center;max-width:720px;margin:8px auto 28px}
.price-head h1{font-size:2.1rem}
.cycle-toggle{display:inline-flex;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px;margin-top:8px}
.cycle-toggle button{border:0;background:none;padding:8px 18px;border-radius:999px;font:600 .9rem var(--body);color:var(--muted);cursor:pointer;min-height:40px}
.cycle-toggle button.on{background:var(--ink);color:#fff}
.cycle-toggle .save{color:var(--amber);font-weight:600;margin-left:4px}
.plans{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;align-items:stretch;margin-bottom:24px}
.plan{background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:24px;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.plan h2{font-size:1.35rem;margin:0}
.plan.featured{background:var(--ink);color:#fff;border-color:var(--ink)}
.plan.featured h2{color:#fff}.plan.featured .muted{color:#AFC0D4}
.plan.featured .feat svg{color:var(--amber)}
.plan.current{outline:2px solid var(--navy);outline-offset:-2px}
.price{margin:18px 0 6px;min-height:44px}
.price b{font-size:1.75rem;font-weight:600;letter-spacing:-.02em}.price small{color:var(--muted);margin-left:2px}
.plan.featured .price small{color:#AFC0D4}
.feat{list-style:none;padding:0;margin:12px 0 20px;display:flex;flex-direction:column;gap:10px;font-size:.92rem}
.feat li{display:flex;gap:10px;align-items:flex-start}
.feat svg{width:18px;height:18px;flex:none;margin-top:2px;color:var(--navy)}
.plan-cta{margin-top:auto}
.plan .btn.ghost[aria-disabled]{cursor:default;color:var(--muted)}
.plan.featured .btn.ghost[aria-disabled]{color:#AFC0D4;border-color:rgba(255,255,255,.25)}
.faq details{border-top:1px solid var(--line-2);padding:12px 0}.faq details:first-of-type{border-top:0}
.faq summary{cursor:pointer;font-weight:600}.faq p{margin:8px 0 0;color:var(--muted)}
.cycle-pick{border:0;padding:0;margin:16px 0}
.cycle-pick legend{font-weight:600;font-size:.88rem;margin-bottom:4px}
.cycle-pick .opt{margin-left:0}
.total{display:flex;justify-content:space-between;align-items:baseline;border-top:1px solid var(--line-2);padding:16px 0;margin-top:8px}
.total b{font-size:1.5rem}
dl.pay{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px 20px;margin:20px 0;padding:18px;background:var(--paper);border-radius:var(--r)}
dl.pay dt{color:var(--muted)}dl.pay dd{margin:0}
.qr{max-width:100%;height:auto;border-radius:var(--r);border:1px solid var(--line-2)}
.sc.locked{opacity:.72}.sc.locked b{color:var(--muted)}
.upsell{background:var(--soft);border-color:#CFDCEB;box-shadow:none}
.rehearse-cta{display:flex;flex-direction:column;gap:4px;text-decoration:none;color:var(--text);border-left:4px solid var(--amber)}
.rehearse-cta:hover{border-color:var(--amber);background:#FFFCF6}
.rehearse-cta b{font-family:var(--display);font-size:1.05rem}
.plan-note{background:var(--soft);border-color:#CFDCEB}
@media (max-width:1080px){.plans{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:860px){
  .plans{grid-template-columns:minmax(0,1fr)}
  .price-head h1{font-size:1.5rem}
  .nav.pub{display:none}
  .pub-cta{gap:12px}
  .notice{flex-direction:column;align-items:flex-start}
}
label .muted{font-weight:400}
.save-pill{margin-left:6px;vertical-align:middle}
.plan.featured .save-pill{background:rgba(232,161,58,.18);color:var(--amber)}
.toast{position:fixed;left:50%;bottom:calc(84px + env(safe-area-inset-bottom));transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:12px;font-size:.88rem;max-width:min(92vw,420px);text-align:center;z-index:60;box-shadow:0 12px 30px -12px rgba(11,36,64,.5)}
.prose{max-width:760px;margin:0 auto}.prose ul{padding-left:20px}.prose li{margin-bottom:6px}.prose h3{margin-top:24px}
.danger-zone summary{cursor:pointer;font-weight:600;color:var(--red)}
.danger-zone[open] summary{margin-bottom:10px}
@media (max-width:860px){.card:has(> .tbl),.card:has(> table){overflow-x:auto}}
.legal h2{font-size:1.15rem;margin-top:28px}
.legal .tbl{font-size:.88rem;margin:8px 0 12px}
.legal .tbl td{vertical-align:top}
.legal-meta{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:.86rem;padding-bottom:16px;border-bottom:1px solid var(--line-2);margin-bottom:8px}
.legal-meta nav{display:flex;gap:16px}.legal-meta a[aria-current]{color:var(--text);font-weight:600;text-decoration:none}
.legal-links{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:28px;font-size:.82rem}.legal-links a{color:var(--muted)}
.site-foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 20px;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);color:var(--faint);font-size:.82rem}
.site-foot nav{display:flex;gap:16px}.site-foot a{color:var(--muted)}
@media (max-width:860px){.legal .tbl{display:block;overflow-x:auto}}
.fix-email{margin-top:20px}.fix-email summary{cursor:pointer;color:var(--navy);font-weight:600}.fix-email form{margin-top:12px}
/* nút con mắt trong ô mật khẩu */
.pw-wrap{position:relative;display:block;margin-top:6px}
.pw-wrap input{margin-top:0!important;padding-right:52px!important}
.pw-eye{position:absolute;right:3px;top:50%;transform:translateY(-50%);width:42px;height:36px;display:grid;place-items:center;border:0;background:none;color:var(--muted);cursor:pointer;border-radius:8px}
.pw-eye:hover{color:var(--navy);background:var(--paper)}
.pw-eye svg{width:20px;height:20px}
.pw-eye[aria-pressed=true]{color:var(--navy)}
input::-ms-reveal{display:none}
.checklist{list-style:none;padding:0;margin:0 0 8px}
.checklist li{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--line-2)}
.checklist li:last-child{border-bottom:0}
.checklist svg{width:20px;height:20px;flex:none;color:var(--green);margin-top:2px}
.checklist li.no::before{content:"";width:20px;height:20px;flex:none;border:2px solid var(--amber);border-radius:50%;margin-top:2px}
input[type=file]{padding:10px;border:1px dashed var(--line);border-radius:10px;width:100%;margin-top:6px;background:var(--paper)}