/* Góc Máy — hệ thiết kế "premium photography studio"
   Màu xanh/đỏ dành riêng cho trạng thái hướng dẫn (đạt / cần chỉnh). Màu nhấn thương hiệu là vàng champagne. */
:root{
  --serif:"Times New Roman",Times,"Liberation Serif",serif;
  --sans:Arial,"Helvetica Neue",Helvetica,"Liberation Sans",sans-serif;
  --body-font:var(--sans);
  --radius-s:10px;--radius:16px;--radius-l:22px;
  --tap:48px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px);
  --rail-w:248px;--tab-h:64px;
  /* guide colors — consistent everywhere */
  --ok:#3ddc97;--ok-ink:#0b3d2a;--bad:#ff5c5c;--bad-ink:#4a0c0c;--info:#f0c674;
  /* dark (default) */
  --bg:#0f1012;--bg2:#15171a;--surface:#1a1c20;--surface2:#212429;--surface3:#2a2e34;
  --line:#2f333a;--line2:#3b4048;
  --ink:#f3efe8;--ink2:#c9c3b8;--muted:#8f8a80;
  --accent:#d9b77e;--accent-ink:#1d1608;--accent-soft:rgba(217,183,126,.14);
  --ok-soft:rgba(61,220,151,.14);--bad-soft:rgba(255,92,92,.14);
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --stage-bg:#050506;
  color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#f5f2ec;--bg2:#efebe3;--surface:#ffffff;--surface2:#f7f4ee;--surface3:#ece7dd;
  --line:#e2dccf;--line2:#d3cbbb;
  --ink:#1c1a17;--ink2:#47423a;--muted:#7a7366;
  --accent:#9a6b23;--accent-ink:#fffaf0;--accent-soft:rgba(154,107,35,.10);
  --ok:#14975e;--ok-ink:#ffffff;--bad:#d63030;--bad-ink:#ffffff;--info:#a87412;
  --ok-soft:rgba(20,151,94,.10);--bad-soft:rgba(214,48,48,.09);
  --shadow:0 16px 40px rgba(60,45,20,.13);
  color-scheme:light;
}
@media (prefers-color-scheme: light){
  :root[data-theme="auto"]{
    --bg:#f5f2ec;--bg2:#efebe3;--surface:#ffffff;--surface2:#f7f4ee;--surface3:#ece7dd;
    --line:#e2dccf;--line2:#d3cbbb;
    --ink:#1c1a17;--ink2:#47423a;--muted:#7a7366;
    --accent:#9a6b23;--accent-ink:#fffaf0;--accent-soft:rgba(154,107,35,.10);
    --ok:#14975e;--ok-ink:#ffffff;--bad:#d63030;--bad-ink:#ffffff;--info:#a87412;
    --ok-soft:rgba(20,151,94,.10);--bad-soft:rgba(214,48,48,.09);
    --shadow:0 16px 40px rgba(60,45,20,.13);
    color-scheme:light;
  }
}
:root[data-font="serif"]{--body-font:var(--serif)}
:root[data-size="large"]{font-size:18px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;min-height:100vh;min-height:100dvh;background:var(--bg);color:var(--ink);font-family:var(--body-font);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;overscroll-behavior-y:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:400;letter-spacing:-.01em;line-height:1.15;margin:0}
p{margin:0 0 .8em}
a{color:var(--accent)}
img,svg,canvas,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;-webkit-tap-highlight-color:transparent}
button:disabled{cursor:not-allowed;opacity:.45}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--surface);padding:10px 14px;border-radius:10px}
.skip:focus{left:8px}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.noscript{padding:30px;text-align:center}
[hidden]{display:none!important}

/* ---------- layout ---------- */
.app{display:grid;grid-template-columns:var(--rail-w) minmax(0,1fr);min-height:100vh;min-height:100dvh}
.rail{position:sticky;top:0;height:100vh;height:100dvh;display:flex;flex-direction:column;gap:26px;padding:26px 16px 20px;border-right:1px solid var(--line);background:var(--bg2)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);padding:0 6px}
.brand-mark{width:42px;height:42px;flex:none;border-radius:12px;background:url("../icons/icon.svg") center/cover no-repeat;box-shadow:0 4px 14px rgba(0,0,0,.3)}
.brand-text{display:flex;flex-direction:column;font-family:var(--serif);font-size:21px;line-height:1.05}
.brand-text b{font-weight:700;letter-spacing:.02em}
.brand-text i{font-style:italic;color:var(--accent)}
.brand-text small{font-family:var(--sans);font-size:9.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-top:5px}
.rail-nav{display:grid;gap:4px}
.rail-nav a{display:flex;align-items:center;gap:13px;min-height:46px;padding:0 14px;border-radius:12px;color:var(--ink2);text-decoration:none;font-size:15px;transition:background .15s}
.rail-nav a svg{width:21px;height:21px;flex:none;opacity:.8}
.rail-nav a:hover{background:var(--surface2);color:var(--ink)}
.rail-nav a[aria-current="page"]{background:var(--accent-soft);color:var(--ink);box-shadow:inset 3px 0 0 var(--accent)}
.rail-nav a[aria-current="page"] svg{color:var(--accent);opacity:1}
.rail-foot{margin-top:auto;display:grid;gap:8px;font-size:11.5px;color:var(--muted);padding:0 8px;line-height:1.45}
.rail-link{color:var(--ink2);text-decoration:none}.rail-link:hover{color:var(--accent)}
.shell{min-width:0;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:calc(14px + var(--safe-t)) clamp(16px,3.4vw,44px) 14px;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.topbar-title{min-width:0}
.eyebrow{display:block;font-family:var(--sans);font-size:10.5px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
.topbar h1{font-size:clamp(22px,2.5vw,30px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-actions{display:flex;align-items:center;gap:8px}
.net-pill{font-size:11px;font-family:var(--sans);padding:6px 10px;border-radius:99px;background:var(--bad-soft);color:var(--bad);border:1px solid color-mix(in srgb,var(--bad) 40%,transparent)}
.main{flex:1;padding:22px clamp(16px,3.4vw,44px) 40px;outline:none}
.page{display:none;animation:fade .25s var(--ease)}
.page.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.site-foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 20px;margin-top:40px;padding-top:16px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.site-foot a{color:var(--ink2)}
.tabbar{display:none}

/* ---------- primitives ---------- */
.icon-btn{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;flex:none}
.icon-btn svg{width:20px;height:20px}
.icon-btn:hover{border-color:var(--line2);background:var(--surface2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 16px;border-radius:12px;border:1px solid var(--line2);background:var(--surface2);color:var(--ink);font-family:var(--sans);font-size:14px;font-weight:600;text-decoration:none;white-space:nowrap;transition:transform .12s,background .15s,border-color .15s}
.btn svg{width:18px;height:18px;flex:none}
.btn:hover:not(:disabled){border-color:var(--accent)}
.btn:active:not(:disabled){transform:scale(.98)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.ghost{background:transparent}
.btn.ok{background:var(--ok);border-color:var(--ok);color:var(--ok-ink)}
.btn.danger{color:var(--bad);border-color:color-mix(in srgb,var(--bad) 45%,transparent);background:var(--bad-soft)}
.btn.sm{min-height:36px;padding:0 12px;font-size:13px;border-radius:10px}
.btn.block{width:100%}
.btn[aria-pressed="true"]{background:var(--accent-soft);border-color:var(--accent);color:var(--ink)}
.chip{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:0 13px;border-radius:99px;border:1px solid var(--line2);background:var(--surface);color:var(--ink2);font-family:var(--sans);font-size:13px;white-space:nowrap}
.chip svg{width:15px;height:15px}
.chip[aria-pressed="true"],.chip.active{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.card.flat{background:var(--surface2)}
.card h2{font-size:22px;margin-bottom:6px}
.card h3{font-size:18px;margin-bottom:6px}
.label{font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.muted{color:var(--muted)}
.small{font-size:13px}
.lead{font-size:17px;color:var(--ink2)}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.spread{display:flex;align-items:center;justify-content:space-between;gap:12px}
.stack{display:grid;gap:12px}
.hr{height:1px;background:var(--line);margin:16px 0}
.tag{display:inline-flex;align-items:center;gap:5px;padding:3px 8px;border-radius:7px;font-family:var(--sans);font-size:11px;font-weight:600;background:var(--surface3);color:var(--ink2)}
.tag.ok{background:var(--ok-soft);color:var(--ok)}
.tag.bad{background:var(--bad-soft);color:var(--bad)}
.tag.info{background:var(--accent-soft);color:var(--accent)}
.tag svg{width:12px;height:12px}
.src{font-family:var(--sans);font-size:10px;letter-spacing:.06em;text-transform:uppercase;padding:2px 6px;border-radius:5px;border:1px solid var(--line2);color:var(--muted);white-space:nowrap}
.field{display:grid;gap:6px}
.field>span{font-size:13px;color:var(--ink2)}
.select,.input{min-height:42px;border-radius:10px;border:1px solid var(--line2);background:var(--surface);padding:0 12px;color:var(--ink)}
.switch{position:relative;display:inline-flex;align-items:center;gap:10px;cursor:pointer;min-height:40px}
.switch input{position:absolute;opacity:0;width:1px;height:1px}
.switch i{width:44px;height:26px;border-radius:99px;background:var(--surface3);border:1px solid var(--line2);position:relative;transition:background .2s;flex:none}
.switch i:after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:var(--ink);transition:transform .2s var(--ease)}
.switch input:checked+i{background:var(--accent);border-color:var(--accent)}
.switch input:checked+i:after{transform:translateX(18px);background:var(--accent-ink)}
.switch input:focus-visible+i{outline:2px solid var(--accent);outline-offset:2px}
.seg{display:inline-flex;padding:3px;border-radius:12px;background:var(--surface2);border:1px solid var(--line)}
.seg button{white-space:nowrap;min-height:36px;padding:0 12px;border:0;border-radius:9px;background:transparent;color:var(--ink2);font-family:var(--sans);font-size:13px}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 4px rgba(0,0,0,.18)}
.progress{height:6px;border-radius:99px;background:var(--surface3);overflow:hidden}
.progress>i{display:block;height:100%;background:var(--accent);border-radius:99px;transition:width .4s var(--ease)}
.hscroll{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding-bottom:2px;scroll-snap-type:x proximity}
.hscroll::-webkit-scrollbar{display:none}
.hscroll>*{scroll-snap-align:start;flex:none}
.empty{border:1px dashed var(--line2);border-radius:var(--radius);padding:22px;text-align:center;color:var(--muted);font-size:14px}
.hero{position:relative;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:22px;align-items:center;padding:clamp(20px,3vw,34px);border-radius:var(--radius-l);border:1px solid var(--line);background:linear-gradient(135deg,var(--surface) 0%,var(--surface2) 100%);overflow:hidden;margin-bottom:22px}
.hero h2{font-size:clamp(28px,3.4vw,42px);margin:6px 0 10px}
.hero p{color:var(--ink2);max-width:58ch}
.hero-art{border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;background:var(--surface3)}
.hero-art svg{width:100%;height:100%}
.hero-art.wide{aspect-ratio:2/1;background:#1d2024}
.day-strip{display:none;margin:0 0 14px;padding:2px}
.day-chip{width:44px;height:44px;border-radius:12px;border:1px solid var(--line2);background:var(--surface);color:var(--ink);font-family:var(--sans);font-weight:700;font-size:14px}
.day-chip.done{background:var(--ok);border-color:var(--ok);color:var(--ok-ink)}
.day-chip[aria-current="true"]{outline:2px solid var(--accent);outline-offset:2px}
.section-title{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:28px 0 14px}
.section-title h2{font-size:24px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px}
.kv dt{color:var(--muted)}
.kv dd{margin:0}
ul.clean,ol.clean{margin:0;padding-left:20px}
ul.clean li,ol.clean li{margin:5px 0}
.notice{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:14px;border:1px solid var(--line2);background:var(--surface2);font-size:14px}
.notice svg{width:20px;height:20px;flex:none;margin-top:2px}
.notice.bad{border-color:color-mix(in srgb,var(--bad) 40%,transparent);background:var(--bad-soft)}
.notice.bad svg{color:var(--bad)}
.notice.info svg{color:var(--accent)}

/* ---------- toast & sheet ---------- */
.toast{position:fixed;left:50%;bottom:calc(var(--tab-h) + 18px + var(--safe-b));transform:translate(-50%,30px);opacity:0;z-index:90;max-width:min(92vw,520px);padding:12px 18px;border-radius:14px;background:var(--ink);color:var(--bg);font-family:var(--sans);font-size:13.5px;line-height:1.45;box-shadow:var(--shadow);pointer-events:none;transition:opacity .25s,transform .25s var(--ease)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.sheet-scrim{position:fixed;inset:0;z-index:70;background:rgba(0,0,0,.5);backdrop-filter:blur(2px)}
.sheet{position:fixed;z-index:80;left:50%;bottom:0;transform:translateX(-50%);width:min(680px,100%);max-height:88vh;max-height:88dvh;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-bottom:0;border-radius:22px 22px 0 0;box-shadow:var(--shadow);padding-bottom:var(--safe-b);animation:sheetUp .28s var(--ease)}
.sheet.wide{width:min(1040px,100%)}
@keyframes sheetUp{from{transform:translate(-50%,40px);opacity:0}to{transform:translate(-50%,0);opacity:1}}
.sheet-grip{width:44px;height:5px;border-radius:9px;background:var(--line2);margin:9px auto 0}
.sheet-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 18px 6px}
.sheet-head h2{font-size:22px}
.sheet-body{overflow:auto;padding:6px 18px 22px;-webkit-overflow-scrolling:touch}
@media (min-width:900px){.sheet{bottom:auto;top:50%;transform:translate(-50%,-50%);border-radius:22px;border-bottom:1px solid var(--line);animation:none}}

/* ---------- camera ---------- */
.cam-layout{display:grid;grid-template-columns:minmax(0,1fr) 370px;gap:20px;align-items:start}
.cam-col{min-width:0;display:grid;gap:12px}
.modebar{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px}
.modebar::-webkit-scrollbar{display:none}
.modebar .chip{flex:none}
.stage-wrap{position:relative;background:var(--stage-bg);border-radius:var(--radius-l);overflow:hidden;height:min(74vh,820px);height:min(74dvh,820px);min-height:320px;display:grid;place-items:center;isolation:isolate;touch-action:manipulation;user-select:none;-webkit-user-select:none}
.frame{position:relative;width:100%;height:100%;overflow:hidden}
.frame video,.frame img.still{position:absolute;inset:0;width:100%;height:100%;object-fit:fill;display:block;background:#000}
.frame video.mirror{transform:scaleX(-1)}
.frame canvas.overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:3}
.stage-idle{position:absolute;inset:0;display:grid;place-items:center;z-index:4;padding:20px;background:radial-gradient(ellipse at 50% 30%,#1f2228 0%,#08090a 70%)}
.stage-idle .idle-card{max-width:400px;text-align:center;color:#f3efe8}
.stage-idle .idle-art{width:min(250px,60vw);margin:0 auto 14px;opacity:.95}
.stage-idle h2{font-size:28px;margin-bottom:8px;color:#f3efe8}
.stage-idle p{color:#c9c3b8;font-size:14.5px}
.stage-idle .row{justify-content:center;margin-top:16px}
.hud{position:absolute;inset:0;z-index:6;pointer-events:none;display:flex;flex-direction:column;justify-content:space-between;padding:12px;transition:opacity .3s}
.hud>*{pointer-events:none}.hud .hud-pills>*,.hud .hud-tools,.hud .coach,.hud .shutter-row>*{pointer-events:auto}
.hud-top{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.hud-pills{display:flex;gap:6px;flex-wrap:wrap;max-width:70%}
.pill{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 10px;border-radius:99px;background:rgba(10,11,13,.66);color:#f3efe8;font-family:var(--sans);font-size:11.5px;font-weight:600;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.12)}
.pill svg{width:14px;height:14px}
.pill .dot{width:7px;height:7px;border-radius:50%;background:#888}
.pill .dot.ok{background:#3ddc97;box-shadow:0 0 8px #3ddc97}
.pill .dot.warn{background:#f0c674}
.pill .dot.bad{background:#ff5c5c}
.hud-tools{display:flex;flex-direction:column;gap:8px}
.hud-btn{width:44px;height:44px;border-radius:14px;border:1px solid rgba(255,255,255,.16);background:rgba(10,11,13,.6);color:#f3efe8;display:grid;place-items:center;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.hud-btn svg{width:21px;height:21px}
.hud-btn[aria-pressed="true"]{background:rgba(217,183,126,.92);color:#1d1608;border-color:transparent}
.coach{align-self:center;max-width:min(560px,94%);display:flex;align-items:flex-start;gap:10px;padding:10px 14px;border-radius:16px;background:rgba(10,11,13,.74);color:#f6f3ed;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);box-shadow:0 8px 30px rgba(0,0,0,.35);font-family:var(--sans);font-size:14.5px;line-height:1.4;transition:border-color .3s}
.coach .coach-ico{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;flex:none;background:#444;color:#fff;font-weight:700;font-size:14px}
.coach.ok{border-color:rgba(61,220,151,.6)}.coach.ok .coach-ico{background:#3ddc97;color:#05301d}
.coach.bad{border-color:rgba(255,92,92,.65)}.coach.bad .coach-ico{background:#ff5c5c;color:#3a0606}
.coach.info .coach-ico{background:#f0c674;color:#3a2a06}
.coach b{display:block;font-size:15px}
.coach small{display:block;color:#cfc9be;font-size:12.5px;margin-top:2px}
.coach .why{font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:#a7a197;margin-top:4px}
.hud-bottom{display:grid;gap:10px}
.hud.coach-top .coach{position:absolute;top:56px;left:50%;transform:translateX(-50%);width:max-content;max-width:min(560px,calc(100% - 136px))}
.coach{transition:top .3s,transform .3s}
.shutter-row{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:10px}
.shutter-row .left{justify-self:start;display:flex;gap:8px}
.shutter-row .right{justify-self:end;display:flex;gap:8px}
.shutter{width:72px;height:72px;border-radius:50%;border:4px solid #fff;background:rgba(255,255,255,.18);padding:5px;display:grid;place-items:center}
.shutter i{display:block;width:100%;height:100%;border-radius:50%;background:#fff;transition:transform .12s}
.shutter:active i{transform:scale(.9)}
.shutter.ready{border-color:#3ddc97}
.shutter:disabled{opacity:.4}
.thumb-btn{width:48px;height:48px;border-radius:12px;border:2px solid rgba(255,255,255,.75);background:#222 center/cover no-repeat;overflow:hidden}
.countdown{position:absolute;inset:0;z-index:9;display:grid;place-items:center;pointer-events:none;font-family:var(--serif);font-size:min(36vw,220px);color:#fff;text-shadow:0 6px 40px rgba(0,0,0,.6)}
.flash{position:absolute;inset:0;z-index:10;background:#fff;opacity:0;pointer-events:none}
.flash.go{animation:flash .35s ease-out}
@keyframes flash{0%{opacity:.85}100%{opacity:0}}
.stage-wrap.autohide .hud.hidden-ui .hud-tools,.stage-wrap.autohide .hud.hidden-ui .hud-pills,.stage-wrap.autohide .hud.hidden-ui .shutter-row .left,.stage-wrap.autohide .hud.hidden-ui .shutter-row .right{opacity:0;pointer-events:none;transition:opacity .4s}
.camera-fullscreen{position:fixed!important;inset:0;z-index:60;height:100vh!important;height:100dvh!important;border-radius:0!important;padding-top:var(--safe-t);padding-bottom:var(--safe-b)}
body.cam-fs{overflow:hidden}
body.cam-fs .tabbar{display:none!important}
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;font-family:var(--sans);font-size:12px;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{display:inline-block;width:20px;height:0;border-top:3px solid var(--ok);border-radius:2px}
.legend i.bad{border-color:var(--bad);border-top-style:dashed}
.cam-actions{display:flex;flex-wrap:wrap;gap:8px}
.inspector{display:grid;gap:14px}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.metric{padding:12px;border-radius:13px;background:var(--surface2);border:1px solid var(--line);min-width:0}
.metric .label{font-size:10px;letter-spacing:.12em}
.metric .val{font-family:var(--serif);font-size:19px;margin-top:4px;line-height:1.2}
.metric .val.ok{color:var(--ok)}.metric .val.bad{color:var(--bad)}.metric .val.info{color:var(--info)}
.metric .sub{font-size:11.5px;color:var(--muted);margin-top:3px;line-height:1.35}
.histo{width:100%;height:56px;margin-top:6px}
.issue-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.issue-list li{display:grid;grid-template-columns:22px 1fr;gap:10px;padding:10px 12px;border-radius:12px;background:var(--surface2);border:1px solid var(--line);font-size:14px;line-height:1.4}
.issue-list li .ico{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;font-family:var(--sans)}
.issue-list li.ok .ico{background:var(--ok-soft);color:var(--ok)}
.issue-list li.bad .ico{background:var(--bad-soft);color:var(--bad)}
.issue-list li.info .ico{background:var(--accent-soft);color:var(--accent)}
.issue-list li small{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.issue-list li .meta{display:flex;gap:6px;flex-wrap:wrap;margin-top:5px}
.shot-list{display:grid;gap:8px}
.shot{display:grid;grid-template-columns:30px 1fr auto;gap:10px;align-items:center;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:var(--surface2);text-align:left;width:100%;color:var(--ink)}
.shot .num{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--surface3);font-family:var(--sans);font-size:12px;font-weight:700}
.shot.done .num{background:var(--ok);color:var(--ok-ink)}
.shot.current{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.shot b{display:block;font-size:14.5px;font-weight:600;font-family:var(--sans)}
.shot small{color:var(--muted);font-size:12px}
.angles{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px}
.angle-card{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--surface2);font-size:12px}
.angle-card img{width:100%;aspect-ratio:3/4;object-fit:cover}
.angle-card div{padding:6px 8px}
.angle-card.best{border-color:var(--ok);box-shadow:0 0 0 1px var(--ok)}
.table{width:100%;border-collapse:collapse;font-size:13px}
.table th,.table td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}
.table th{font-family:var(--sans);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:700}
.table td.num{font-variant-numeric:tabular-nums;text-align:right}
.table-wrap{overflow-x:auto}

/* ---------- pose ---------- */
.pose-cats{margin-bottom:16px}
.pose-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.pose-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden;text-align:left;padding:0;color:var(--ink);transition:transform .15s,border-color .15s}
.pose-card:hover{transform:translateY(-2px);border-color:var(--line2)}
.pose-card .art{aspect-ratio:3/4;background:var(--surface2)}
.pose-card .art svg{width:100%;height:100%}
.pose-card .body{padding:12px 14px 14px}
.pose-card h3{font-size:18px;margin:4px 0}
.pose-card p{font-size:13px;color:var(--muted);margin:0}
.pose-detail{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:22px}
.pose-detail .art{border-radius:var(--radius);overflow:hidden;background:var(--surface2);aspect-ratio:3/4}
.pose-detail .art svg{width:100%;height:100%}
.pose-facts{display:grid;gap:10px}
.pose-facts .fact{display:grid;grid-template-columns:118px 1fr;gap:10px;font-size:14.5px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.pose-facts .fact dt{color:var(--muted);font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding-top:2px}
.pose-facts .fact dd{margin:0}
.cam-diagram{border-radius:12px;background:var(--surface2);border:1px solid var(--line)}
.cam-diagram svg{width:100%;height:auto}
.pose-mini{display:grid;grid-template-columns:repeat(auto-fill,minmax(74px,1fr));gap:8px}
.pose-mini button{border:1px solid var(--line);border-radius:12px;background:var(--surface2);padding:4px;color:var(--ink);font-size:11px;line-height:1.2}
.pose-mini button svg{width:100%;aspect-ratio:3/4;height:auto}
.pose-mini button[aria-pressed="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.match-meter{display:flex;align-items:center;gap:10px}
.match-meter .progress{flex:1}

/* ---------- academy ---------- */
.academy{display:grid;grid-template-columns:300px minmax(0,1fr);gap:22px;align-items:start}
.week{margin-bottom:14px}
.week h3{font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 8px 4px}
.lesson-btn{display:grid;grid-template-columns:38px 1fr auto;gap:10px;align-items:center;width:100%;padding:9px 10px;border-radius:12px;border:1px solid transparent;background:transparent;color:var(--ink);text-align:left;font-size:14px;line-height:1.3}
.lesson-btn:hover{background:var(--surface2)}
.lesson-btn[aria-current="true"]{background:var(--surface);border-color:var(--line2)}
.lesson-btn .d{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--surface3);font-family:var(--sans);font-size:12px;font-weight:700}
.lesson-btn.done .d{background:var(--ok);color:var(--ok-ink)}
.lesson-btn .chk{color:var(--ok);font-size:13px}
.lesson-list{position:sticky;top:96px;max-height:calc(100vh - 120px);overflow:auto;padding-right:4px}
.lesson{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden}
.lesson-hero{aspect-ratio:16/8;background:var(--surface2)}
.lesson-hero svg{width:100%;height:100%}
.lesson-body{padding:clamp(18px,3vw,34px)}
.lesson-body h2{font-size:clamp(28px,3.2vw,40px);margin:6px 0 8px}
.lesson-body h3{font-size:22px;margin:28px 0 10px}
.lesson-body p{font-size:16.5px;line-height:1.7;color:var(--ink2)}
.compare-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.compare-pair figure{margin:0;border-radius:14px;overflow:hidden;border:2px solid var(--line);background:var(--surface2)}
.compare-pair figure.good{border-color:var(--ok)}
.compare-pair figure.bad{border-color:var(--bad)}
.compare-pair figure svg{width:100%;height:auto;aspect-ratio:4/3}
.compare-pair figcaption{display:flex;gap:8px;align-items:flex-start;padding:9px 11px;font-size:13.5px;line-height:1.35}
.compare-pair figcaption b{flex:none;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-family:var(--sans);font-size:11px}
.compare-pair .good b{background:var(--ok);color:var(--ok-ink)}
.compare-pair .bad b{background:var(--bad);color:var(--bad-ink)}
.keypoints{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.keypoints li{display:grid;grid-template-columns:24px 1fr;gap:10px;font-size:15.5px}
.keypoints li:before{content:"";width:9px;height:9px;margin:8px 0 0 6px;border-radius:2px;background:var(--accent);transform:rotate(45deg)}
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:10px}
.steps li{counter-increment:s;display:grid;grid-template-columns:32px 1fr;gap:12px;font-size:15.5px;line-height:1.55}
.steps li:before{content:counter(s);width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--surface3);font-family:var(--sans);font-size:13px;font-weight:700}
.quiz{display:grid;gap:16px}
.q{padding:16px;border-radius:14px;border:1px solid var(--line);background:var(--surface2)}
.q p.qt{font-weight:600;color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.45}
.q .opts{display:grid;gap:8px}
.q .opt{display:flex;gap:10px;align-items:flex-start;text-align:left;padding:10px 12px;border-radius:11px;border:1px solid var(--line2);background:var(--surface);color:var(--ink);font-size:14.5px;line-height:1.4;min-height:44px}
.q .opt .k{flex:none;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:var(--surface3);font-family:var(--sans);font-size:11px;font-weight:700}
.q .opt.correct{border-color:var(--ok);background:var(--ok-soft)}
.q .opt.correct .k{background:var(--ok);color:var(--ok-ink)}
.q .opt.wrong{border-color:var(--bad);background:var(--bad-soft)}
.q .opt.wrong .k{background:var(--bad);color:var(--bad-ink)}
.q .exp{margin-top:10px;font-size:14px;color:var(--ink2)}
.task-card{border-radius:16px;padding:18px;border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);background:var(--accent-soft)}
.task-card h4{font-family:var(--serif);font-size:20px;margin:4px 0 6px}
.lesson-nav{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:26px;padding-top:18px;border-top:1px solid var(--line)}

/* ---------- inspiration & lab ---------- */
.insp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.insp{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface);text-align:left;padding:0;color:var(--ink);display:flex;flex-direction:column}
.insp .art{aspect-ratio:4/3;background:var(--surface2)}
.insp .art svg{width:100%;height:100%}
.insp .body{padding:12px 14px 14px}
.insp h3{font-size:19px;margin:4px 0}
.insp p{font-size:13px;color:var(--muted);margin:0}
.lab-tabs{margin-bottom:16px}
.analyzer{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:20px;align-items:start}
.photo-box{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--stage-bg);display:grid;place-items:center;min-height:240px}
.photo-box img,.photo-box canvas{max-width:100%;max-height:70vh;display:block}
.photo-box canvas.ov{position:absolute;pointer-events:none}
.score-row{display:grid;grid-template-columns:1fr auto;gap:4px 12px;padding:12px 0;border-bottom:1px solid var(--line)}
.score-row .bar{grid-column:1/-1}
.score-row b{font-family:var(--sans);font-size:14px}
.score-row .v{font-family:var(--serif);font-size:20px;font-variant-numeric:tabular-nums}
.score-row .v.na{font-size:14px;color:var(--muted);font-family:var(--sans)}
.score-row p{grid-column:1/-1;margin:2px 0 0;font-size:13px;color:var(--muted)}
.big-score{display:flex;align-items:baseline;gap:8px}
.big-score b{font-family:var(--serif);font-size:56px;line-height:1;font-weight:400}
.ba{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--stage-bg);touch-action:none;user-select:none;-webkit-user-select:none;aspect-ratio:4/3}
.ba canvas{position:absolute;inset:0;width:100%;height:100%}
.ba .handle{position:absolute;top:0;bottom:0;width:44px;margin-left:-22px;display:grid;place-items:center;cursor:ew-resize;z-index:3}
.ba .handle:before{content:"";position:absolute;top:0;bottom:0;left:21px;width:2px;background:#fff;box-shadow:0 0 6px rgba(0,0,0,.6)}
.ba .handle i{position:relative;width:38px;height:38px;border-radius:50%;background:#fff;color:#111;display:grid;place-items:center;font-style:normal;font-family:var(--sans);font-weight:700;font-size:13px;box-shadow:0 2px 10px rgba(0,0,0,.4)}
.ba .lbl{position:absolute;top:10px;z-index:2;padding:4px 9px;border-radius:7px;background:rgba(0,0,0,.6);color:#fff;font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:.08em}
.album{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px}
.album button{position:relative;padding:0;border:2px solid transparent;border-radius:12px;overflow:hidden;background:var(--surface2);aspect-ratio:1}
.album button img{width:100%;height:100%;object-fit:cover}
.album button[aria-pressed="true"]{border-color:var(--accent)}
.album button .badge{position:absolute;left:5px;top:5px;padding:2px 6px;border-radius:6px;background:rgba(0,0,0,.65);color:#fff;font-family:var(--sans);font-size:10px;font-weight:700}

/* ---------- progress & settings ---------- */
.stat{padding:16px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
.stat b{display:block;font-family:var(--serif);font-size:38px;font-weight:400;line-height:1.1}
.stat span{font-size:13px;color:var(--muted)}
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal a{aspect-ratio:1;border-radius:10px;display:grid;place-items:center;background:var(--surface2);border:1px solid var(--line);font-family:var(--sans);font-size:12px;font-weight:700;color:var(--ink2);text-decoration:none}
.cal a.done{background:var(--ok);border-color:var(--ok);color:var(--ok-ink)}
.cal a.quiz{box-shadow:inset 0 -3px 0 var(--accent)}
.set-group{display:grid;gap:4px;margin-bottom:18px}
.set-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 14px;padding:12px 0;border-bottom:1px solid var(--line)}
.set-row .t{flex:1 1 200px;min-width:0}.set-row .t b{display:block;font-family:var(--sans);font-size:14.5px;font-weight:600}
.set-row .t small{display:block;color:var(--muted);font-size:12.5px;line-height:1.4;margin-top:2px}
.prose h2{font-size:28px;margin:6px 0 12px}
.prose h3{font-size:20px;margin:24px 0 8px}
.prose p,.prose li{color:var(--ink2);font-size:15.5px;line-height:1.7}
.prose{max-width:820px}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .cam-layout{grid-template-columns:minmax(0,1fr) 330px}
  .analyzer{grid-template-columns:1fr}
}
@media (max-width:1024px){
  :root{--rail-w:84px}
  .rail{padding:20px 10px}
  .brand-text,.rail-foot{display:none}
  .brand{justify-content:center;padding:0}
  .rail-nav a{justify-content:center;padding:0;font-size:0}
  .rail-nav a svg{width:23px;height:23px}
  .cam-layout{grid-template-columns:1fr}
  .academy{grid-template-columns:1fr}
  .lesson-list{display:none}
  .day-strip{display:flex}
  body[data-route="academy"] .hero .hero-art{display:none}
}
@media (max-width:760px){
  .app{display:block}
  .rail{display:none}
  .topbar{padding:calc(10px + var(--safe-t)) 16px 10px}
  .topbar h1{font-size:22px}
  .main{padding:14px 16px calc(var(--tab-h) + 26px + var(--safe-b))}
  .tabbar{display:grid;grid-template-columns:repeat(6,1fr);position:fixed;left:0;right:0;bottom:0;z-index:50;height:calc(var(--tab-h) + var(--safe-b));padding:0 4px var(--safe-b);background:color-mix(in srgb,var(--bg2) 92%,transparent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--line)}
  .tabbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:var(--muted);text-decoration:none;font-family:var(--sans);font-size:10.5px;font-weight:600;min-width:0}
  .tabbar a svg{width:23px;height:23px}
  .tabbar a[aria-current="page"]{color:var(--accent)}
  .tabbar a span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .g4.keep2,.g3.keep2{grid-template-columns:1fr 1fr}
  .hero{grid-template-columns:1fr;padding:18px}
  .hero-art{order:-1}
  .stage-wrap{height:calc(100dvh - var(--tab-h) - var(--safe-b) - 150px);min-height:380px;border-radius:18px;margin:0 -6px}
  .shutter{width:68px;height:68px}
  .pose-detail{grid-template-columns:1fr}
  .pose-detail .art{max-width:340px;width:100%;margin:0 auto}
  .pose-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .pose-card h3{font-size:16px}
  .pose-card .body{padding:10px}
  .insp-grid{grid-template-columns:1fr}
  .compare-pair{grid-template-columns:1fr 1fr;gap:8px}
  .compare-pair figcaption{font-size:12.5px;padding:7px 8px}
  .lesson-body p{font-size:16px}
  .pose-facts .fact{grid-template-columns:1fr;gap:2px}
  .site-foot{flex-direction:column}
  .sheet{max-height:92dvh}
}
@media (max-width:760px) and (orientation:landscape){
  .stage-wrap{height:calc(100dvh - 24px);min-height:260px}
  .tabbar{height:calc(52px + var(--safe-b))}
  .tabbar a span{display:none}
}
@media (max-width:380px){
  .metric-grid{grid-template-columns:1fr 1fr}
  .tabbar a{font-size:9.5px}
  .compare-pair{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
@media print{.rail,.tabbar,.topbar,.site-foot{display:none}.app{display:block}}