/* HR26 platform — shared styles for /learn, /join, /admin, /verify */
:root{--bg:#0a0d18;--paper:#121729;--paper2:#171e36;--ink:#eef1f8;--muted:rgba(238,241,248,.64);--line:rgba(255,255,255,.1);--cobalt:#2346ff;--cobalt2:#5b74ff;--sun:#ffb020;--sun-ink:#2a1a00;--ok:#2fe39a;--okd:#0f8a5f;--bad:#ff7a6b;
--display:"Archivo",ui-sans-serif,system-ui,sans-serif;--body:"Figtree",ui-sans-serif,system-ui,sans-serif;--mono:"DM Mono",ui-monospace,monospace;--ease:cubic-bezier(.2,.8,.2,1)}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;background:radial-gradient(900px 480px at 90% -10%,rgba(35,70,255,.22),transparent 60%),var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit}
:focus-visible{outline:3px solid var(--sun);outline-offset:2px}
h1,h2,h3{font-family:var(--display);margin:0;line-height:1.08;letter-spacing:-.02em}
h1{font-size:clamp(1.9rem,4vw,2.8rem);font-stretch:110%;font-weight:800}
h2{font-size:clamp(1.4rem,2.6vw,1.9rem);font-stretch:108%;font-weight:800}
h3{font-size:1.1rem;font-weight:800}
p{margin:0}
.wrap{max-width:1180px;margin:0 auto;padding:0 18px}
.muted{color:var(--muted)}.small{font-size:.88rem}
.mono{font-family:var(--mono);font-size:.72rem;letter-spacing:.09em;text-transform:uppercase}
.stack{display:grid;gap:14px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}
.grid{display:grid;gap:14px}.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))}
.side{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px;align-items:start}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.side{grid-template-columns:1fr}}
@media (max-width:560px){.g2,.g3,.g4{grid-template-columns:1fr}}

/* top bar */
.top{position:sticky;top:0;z-index:20;background:rgba(10,13,24,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:18px;min-height:62px;flex-wrap:wrap}
.mark{display:flex;align-items:baseline;text-decoration:none;font-family:var(--display);font-weight:900;font-stretch:125%}
.mark b{background:#000;color:#fff;border-radius:8px;padding:2px 8px;font-size:1.2rem;border:1px solid rgba(255,255,255,.2)}
.mark sup{font-family:var(--mono);font-size:.55rem;color:var(--sun);margin-left:4px}
.tabs{display:flex;gap:4px;flex-wrap:wrap}
.tabs a,.tabs button{text-decoration:none;border:0;background:transparent;color:var(--muted);font:600 .94rem var(--body);padding:8px 12px;border-radius:99px;cursor:pointer}
.tabs a:hover,.tabs button:hover{color:#fff}
.tabs .on{background:rgba(255,255,255,.1);color:#fff}
.who{margin-left:auto;display:flex;gap:10px;align-items:center;font-size:.9rem}
.ava{width:30px;height:30px;border-radius:50%;background:var(--sun);color:var(--sun-ink);display:grid;place-items:center;font-weight:800;font-size:.75rem}
@media (max-width:700px){.top .wrap{padding-block:8px}.tabs{order:3;width:100%;overflow-x:auto;flex-wrap:nowrap}.tabs a,.tabs button{white-space:nowrap}}

main{padding:28px 0 60px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:20px}
.card.hi{border-color:rgba(91,116,255,.5);background:linear-gradient(160deg,rgba(35,70,255,.18),var(--paper) 60%)}
.card.gold{border-color:rgba(255,176,32,.45);background:linear-gradient(160deg,rgba(255,176,32,.1),var(--paper) 60%)}
.hr{height:1px;background:var(--line);margin:4px 0}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:99px;padding:11px 18px;font:700 .95rem var(--body);cursor:pointer;background:var(--cobalt);color:#fff;text-decoration:none;transition:transform .15s,opacity .2s}
.btn:hover{transform:translateY(-1px)}
.btn.sun{background:var(--sun);color:var(--sun-ink)}.btn.ok{background:var(--okd)}.btn.danger{background:transparent;color:var(--bad);box-shadow:inset 0 0 0 1.5px rgba(255,122,107,.5)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn.sm{padding:7px 12px;font-size:.85rem}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

label.f,.f{display:grid;gap:6px;font-weight:600;font-size:.9rem}
input,select,textarea{font:1rem var(--body);color:var(--ink);background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px;padding:11px 12px;width:100%}
textarea{min-height:110px;resize:vertical}
select option{color:#0b0e17}
input[type=checkbox]{width:18px;height:18px;accent-color:var(--cobalt)}
input[type=file]{padding:9px}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:500;font-size:.92rem}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chips button{border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--ink);border-radius:99px;padding:7px 14px;font:.9rem var(--body);cursor:pointer}
.chips button[aria-pressed=true]{background:var(--sun);color:var(--sun-ink);border-color:var(--sun)}
.err{color:var(--bad);font-size:.9rem;min-height:1.2em}

.pill{display:inline-block;font-family:var(--mono);font-size:.64rem;letter-spacing:.05em;text-transform:uppercase;padding:3px 9px;border-radius:99px;background:rgba(91,116,255,.2);color:#b4c0ff;white-space:nowrap}
.pill.y{background:rgba(255,176,32,.16);color:var(--sun)}.pill.g{background:rgba(47,227,154,.15);color:var(--ok)}.pill.r{background:rgba(255,122,107,.15);color:var(--bad)}.pill.m{background:rgba(255,255,255,.08);color:var(--muted)}
.bar{height:8px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden}.bar b{display:block;height:100%;background:linear-gradient(90deg,var(--cobalt2),var(--sun));transition:width .6s var(--ease)}

table.t{width:100%;border-collapse:collapse;font-size:.92rem}
.t th{text-align:left;font-family:var(--mono);font-size:.66rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);padding:9px 10px;border-bottom:1px solid var(--line)}
.t td{padding:10px;border-bottom:1px solid var(--line);vertical-align:top}
.t tr.click{cursor:pointer}.t tr.click:hover td{background:rgba(255,255,255,.03)}
.tablewrap{overflow-x:auto}

.course{display:grid;gap:8px;align-content:start;text-decoration:none;transition:transform .2s var(--ease),border-color .2s}
.course:hover{transform:translateY(-3px);border-color:rgba(255,176,32,.5)}
.video{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:linear-gradient(160deg,#1a2350,#0b1022);display:grid;place-items:center}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.lessonlist{display:grid;gap:6px}
.lessonlist a{display:flex;gap:10px;align-items:center;text-decoration:none;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.02);font-size:.92rem}
.lessonlist a.on{border-color:rgba(91,116,255,.6);background:rgba(35,70,255,.15)}
.tick{width:22px;height:22px;flex:none;border-radius:7px;border:2px solid rgba(255,255,255,.2);display:grid;place-items:center;font-size:.7rem;font-weight:900}
.tick.on{background:var(--okd);border-color:var(--okd);color:#fff}

.q{display:grid;gap:8px}
.opt{display:flex;gap:10px;align-items:flex-start;text-align:left;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--ink);border-radius:12px;padding:12px 14px;font:1rem var(--body);cursor:pointer;width:100%}
.opt[aria-pressed=true]{border:2px solid var(--cobalt2);background:rgba(35,70,255,.15)}
.opt.right{border:2px solid var(--ok);background:rgba(47,227,154,.1)}.opt.wrong{border:2px solid var(--bad);background:rgba(255,122,107,.08)}
.opt i{font-style:normal;font-family:var(--mono);font-size:.8rem;color:var(--muted);padding-top:2px}

.steps{display:flex;gap:6px}.steps i{flex:1;height:5px;border-radius:99px;background:rgba(255,255,255,.12)}.steps i.on{background:var(--sun)}
.roles{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px}
.role{display:flex;align-items:center;gap:10px;text-align:left;padding:12px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--ink);font:600 .94rem var(--body);cursor:pointer}
.role span{font-size:1.2rem}.role[aria-pressed=true]{background:linear-gradient(160deg,var(--cobalt),#1531c9);border-color:transparent;color:#fff}

.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,20px);opacity:0;z-index:50;background:#fff;color:#0a0d18;border-radius:12px;padding:12px 16px;font-weight:700;box-shadow:0 20px 40px -10px rgba(0,0,0,.6);transition:all .3s;max-width:calc(100% - 32px)}
.toast.on{opacity:1;transform:translate(-50%,0)}.toast.bad{background:var(--bad);color:#fff}
.devlink{border:1px dashed var(--sun);border-radius:12px;padding:12px;font-size:.88rem;word-break:break-all}
.empty{padding:30px;text-align:center;color:var(--muted)}
.loading{padding:40px;text-align:center;color:var(--muted)}

/* certificate */
.certpaper{position:relative;background:linear-gradient(160deg,#fffdf6,#f6efdc);color:#1b1608;border-radius:14px;padding:36px 30px 26px;text-align:center;border:1px solid #e6d7ae;box-shadow:0 30px 60px -30px rgba(0,0,0,.9);max-width:760px;margin:0 auto}
.certpaper::before{content:"";position:absolute;inset:10px;border:1.5px solid #c9a24a;border-radius:9px;pointer-events:none}
.certpaper .top1{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;color:#8a6a1e}
.certpaper .tt{font-family:var(--display);font-stretch:118%;font-weight:900;font-size:1.9rem;margin-top:8px}
.certpaper .nm{font-family:"Brush Script MT","Segoe Script",cursive;font-size:2.6rem;line-height:1.1;margin:6px 0}
.certpaper .cn{font-family:var(--display);font-weight:800;font-size:1.2rem;color:#2346ff}
.certpaper .ft{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:end;margin-top:24px;font-size:.78rem;color:#6b5b33}
.certpaper .seal{width:64px;height:64px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#ffd57a,#c98a12);display:grid;place-items:center;color:#2a1a00;font-family:var(--display);font-weight:900;font-size:.85rem;box-shadow:0 0 0 3px #f6efdc,0 0 0 5px #c9a24a}
.certpaper .sg{border-top:1px solid #b8a676;padding-top:6px}
@media print{body{background:#fff}.top,.noprint,.toast{display:none!important}main{padding:0}.certpaper{box-shadow:none;margin-top:20px}}