/* AMSY Training library — AMSY look: deep vault navy, teal accent, Space Grotesk / Manrope, square-ish radii, mono labels. */
.amsy-tr{--t-ink:var(--ink,#0E1925);--t-ink2:var(--ink-2,#3B4959);--t-mut:var(--ink-3,#657284);--t-line:var(--line,#D3DAE2);--t-acc:var(--accent,#19C3A6);--t-acc-ink:var(--accent-ink,#0B6B5B);--t-vault:var(--vault,#0B1420);--t-vault2:var(--vault-2,#101C2B);--t-paper:#fff;--t-disp:var(--display,"Space Grotesk","Segoe UI",system-ui,sans-serif);--t-mono:var(--mono,"JetBrains Mono",ui-monospace,Menlo,monospace);color:var(--t-ink);font-family:var(--body,"Manrope","Segoe UI",system-ui,sans-serif)}
.amsy-tr *{box-sizing:border-box}
.amsy-tr-langs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 28px}
.amsy-tr-langs button{border:1px solid var(--t-line);background:var(--t-paper);color:var(--t-ink2);border-radius:8px;padding:9px 16px;font:600 14px/1 var(--t-disp);cursor:pointer;transition:.18s}
.amsy-tr-langs button:hover{border-color:var(--t-acc-ink);color:var(--t-acc-ink)}
.amsy-tr-langs button.is-on{background:var(--t-vault);border-color:var(--t-vault);color:#fff;box-shadow:inset 0 -2px 0 var(--t-acc)}
.amsy-tr-block{margin:0 0 30px}
.amsy-tr-block h3{font:600 clamp(1.3rem,1.1rem + .8vw,1.7rem)/1.2 var(--t-disp);letter-spacing:-.01em;margin:0 0 8px;display:flex;align-items:center;gap:12px}
.amsy-tr-block h3:before{content:"";width:6px;height:22px;border-radius:2px;background:var(--t-acc)}
.amsy-tr-intro{color:var(--t-ink2);margin:0 0 20px;max-width:62ch}
.amsy-tr-empty{color:var(--t-mut);margin:0;padding:28px;border:1px dashed var(--t-line);border-radius:14px;text-align:center;background:var(--t-paper)}
/* manuals */
.amsy-tr-mgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.amsy-tr-man{position:relative;display:flex;flex-direction:column;gap:6px;padding:20px 20px 18px;border-radius:14px;text-decoration:none;color:#DCE4EE;background:linear-gradient(160deg,var(--t-vault2),var(--t-vault));border:1px solid rgba(150,180,220,.16);transition:.22s var(--ease,ease);overflow:hidden}
.amsy-tr-man:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--t-acc)}
.amsy-tr-man:hover{transform:translateY(-3px);border-color:var(--t-acc);box-shadow:0 14px 32px rgba(11,20,32,.28)}
.amsy-tr-man b{font:600 20px/1.2 var(--t-disp);color:#fff;margin-top:6px}
.amsy-tr-man small{color:#93A1B4;font:500 12px/1.4 var(--t-mono)}
.amsy-tr-man em{font:700 13px/1 var(--t-disp);font-style:normal;color:var(--t-acc);margin-top:10px;letter-spacing:.02em}
.amsy-tr-man em:after{content:" ↓"}
.amsy-tr-pdf{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:24px;padding:0 8px;border-radius:4px;background:rgba(25,195,166,.14);border:1px solid rgba(25,195,166,.5);color:var(--t-acc);font:700 11px/1 var(--t-mono);letter-spacing:.08em;flex:none;align-self:flex-start}
.amsy-tr-row .amsy-tr-pdf{background:#E6F6F2;border-color:#9FDCCD;color:var(--t-acc-ink)}
/* chapter list */
.amsy-tr-toc{margin-top:26px;padding:22px 24px;border:1px solid var(--t-line);border-radius:14px;background:var(--t-paper)}
.amsy-tr-toc h4{margin:0 0 14px;font:600 17px/1.3 var(--t-disp)}
.amsy-tr-toc ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:4px 22px}
.amsy-tr-toc a{display:flex;align-items:baseline;gap:12px;padding:9px 6px;border-bottom:1px solid #E7ECF0;text-decoration:none;color:var(--t-ink);transition:.15s}
.amsy-tr-toc a:hover{color:var(--t-acc-ink);background:#F3FAF8}
.amsy-tr-toc i{font:600 12px/1 var(--t-mono);font-style:normal;color:var(--t-acc-ink);min-width:20px}
.amsy-tr-toc span{flex:1;font-weight:600;font-size:15px}
.amsy-tr-toc em{font:500 12px/1 var(--t-mono);font-style:normal;color:var(--t-mut)}
/* videos */
.amsy-tr-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:22px}
.amsy-tr-card{border:1px solid var(--t-line);border-radius:14px;overflow:hidden;background:var(--t-paper);display:flex;flex-direction:column;transition:.2s}
.amsy-tr-card:hover{border-color:var(--t-acc-ink);box-shadow:0 14px 30px rgba(14,25,37,.1)}
.amsy-tr-thumb{position:relative;display:block;width:100%;aspect-ratio:16/9;border:0;padding:0;background:var(--t-vault);cursor:pointer;overflow:hidden}
.amsy-tr-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:.35s}
.amsy-tr-card:hover .amsy-tr-thumb img{transform:scale(1.04)}
.amsy-tr-ph{display:block;width:100%;height:100%;background:radial-gradient(circle at 70% 30%,rgba(25,195,166,.25),transparent 55%),linear-gradient(135deg,var(--t-vault2),var(--t-vault))}
.amsy-tr-playbtn{position:absolute;left:50%;top:50%;width:60px;height:60px;margin:-30px 0 0 -30px;border-radius:50%;background:var(--t-acc);color:var(--t-vault);display:flex;align-items:center;justify-content:center;font-size:20px;padding-left:4px;box-shadow:0 0 0 8px rgba(25,195,166,.22),0 8px 22px rgba(0,0,0,.4);transition:.2s}
.amsy-tr-card:hover .amsy-tr-playbtn{transform:scale(1.08)}
.amsy-tr-dur{position:absolute;right:10px;bottom:10px;background:rgba(11,20,32,.85);color:#fff;font:600 12px/1 var(--t-mono);padding:5px 8px;border-radius:4px}
.amsy-tr-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.amsy-tr-body h4{margin:0;font:600 18px/1.25 var(--t-disp)}
.amsy-tr-body p{margin:0;color:var(--t-ink2);font-size:14px}
.amsy-tr-tag{display:inline-block;align-self:flex-start;font:600 11px/1 var(--t-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--t-acc-ink);background:#E6F6F2;border-radius:4px;padding:5px 8px}
.amsy-tr-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:8px}
.amsy-tr-btn{border:1px solid var(--t-line);background:var(--t-paper);color:var(--t-ink);border-radius:8px;padding:10px 16px;font:600 14px/1 var(--t-disp);cursor:pointer;text-decoration:none;display:inline-block;transition:.15s}
.amsy-tr-btn:hover{border-color:var(--t-acc-ink);color:var(--t-acc-ink)}
.amsy-tr-btn.is-main{background:var(--t-acc);border-color:var(--t-acc);color:var(--t-vault)}
.amsy-tr-btn.is-main:hover{background:#6FE3CC;border-color:#6FE3CC;color:var(--t-vault)}
/* guides */
.amsy-tr-list{display:flex;flex-direction:column;gap:10px}
.amsy-tr-row{display:flex;align-items:center;gap:16px;padding:14px 18px;border:1px solid var(--t-line);border-left:4px solid var(--t-acc);border-radius:8px 14px 14px 8px;background:var(--t-paper)}
.amsy-tr-row>div{flex:1;min-width:0}
.amsy-tr-row b{font:600 16px/1.3 var(--t-disp)}
.amsy-tr-row small{display:block;color:var(--t-mut);margin-top:3px}
.amsy-tr [hidden]{display:none!important}
/* player */
.amsy-tr-modal{position:fixed;inset:0;z-index:99999;background:rgba(5,10,17,.9);display:flex;align-items:center;justify-content:center;padding:20px}
.amsy-tr-modal[hidden]{display:none}
.amsy-tr-box{position:relative;width:min(960px,100%)}
.amsy-tr-stage{aspect-ratio:16/9;background:#000;border-radius:10px;overflow:hidden;box-shadow:0 0 0 1px rgba(25,195,166,.4)}
.amsy-tr-stage iframe,.amsy-tr-stage video{width:100%;height:100%;border:0;display:block}
.amsy-tr-cap{color:#fff;font:600 16px/1.3 var(--t-disp);margin-top:12px}
.amsy-tr-x{position:absolute;right:0;top:-46px;border:0;background:none;color:#fff;font-size:34px;cursor:pointer;line-height:1}
@media(max-width:560px){.amsy-tr-row{flex-wrap:wrap}.amsy-tr-grid{grid-template-columns:1fr}.amsy-tr-toc ol{grid-template-columns:1fr}}

.amsy-tr-block:last-of-type{margin-bottom:0}