/* Hoja de estilos compartida por todas las páginas reales de SCA-CTF.
   Extraída de ../../mockup.html (la maqueta sigue siendo la referencia visual;
   esto es ese mismo CSS, servido de verdad en vez de embebido en un único
   fichero de demo). Dos lenguajes visuales: panel neutro (director/editor) y
   tema "ciber" de las salas de escape (proyector/participante/login/registro),
   con la paleta de marca S2GRUPO (azul/lima) como acento. */
  :root{
    --s2-blue:#0545b0; --s2-blue-l:#5a84ce; --s2-lime:#dbf266; --s2-black:#000;
    --bg:#0D1117; --panel:#161B22; --panel-2:#1c232c;
    --line:rgba(255,255,255,.15); --line-2:rgba(255,255,255,.25);
    --text:#fff; --muted:rgba(255,255,255,.62);
    --ok:#08ad66; --warn:#ea9b31; --bad:#e5484d;
    --font:'Manrope',Arial,system-ui,sans-serif;
    --mono:'Share Tech Mono',Consolas,ui-monospace,monospace;
    color-scheme:dark;
  }
  *{box-sizing:border-box}
  html,body{height:100%}
  body{margin:0;background:#000;color:var(--text);font:15px/1.5 var(--font);-webkit-font-smoothing:antialiased}
  [hidden]{display:none!important}
  button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation}
  input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3{margin:0;line-height:1.2;text-wrap:balance}
  svg.ic{width:16px;height:16px;stroke:currentColor;stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round;vertical-align:-3px;flex:none}

  /* ── barra de maqueta (no forma parte del producto) ── */
  .mock-bar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:14px;
    padding:10px max(16px,env(safe-area-inset-left,0px)) 10px max(16px,env(safe-area-inset-right,0px));
    background:#000;border-bottom:1px solid rgba(255,255,255,.14);flex-wrap:wrap}
  .mock-bar .tag-lbl{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.45)}
  .mock-bar nav{display:flex;gap:6px;flex-wrap:wrap}
  .mock-bar a{font-family:var(--font);font-weight:700;font-size:13px;color:rgba(255,255,255,.7);
    text-decoration:none;padding:6px 12px;border-radius:99px;border:1px solid rgba(255,255,255,.18)}
  .mock-bar a.cur{background:var(--s2-lime);border-color:var(--s2-lime);color:var(--s2-blue)}
  .mock-bar a:hover:not(.cur){border-color:rgba(255,255,255,.4)}

  .view{min-height:calc(100dvh - 45px)}

  /* ── colores por categoría de reto (misma paleta que ya usa TallerLink para
       distinguir equipos: cian, rosa, violeta, azul claro, ámbar, verde azulado) ── */
  .c-osint{--cc:#38bdf8}.c-estego{--cc:#f472b6}.c-cripto{--cc:#a78bfa}
  .c-web{--cc:#5a84ce}.c-rev{--cc:#fb923c}.c-forense{--cc:#2dd4bf}
  .cat-ic{width:14px;height:14px;stroke:var(--cc);fill:none;stroke-width:1.7;vertical-align:-2px}
  .avatar{width:30px;height:30px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
    font-weight:800;font-size:12px;color:#07140c;flex:none}

  /* etiqueta de categoría de fondo sólido (igual estructura que la referencia) */
  .tag{display:inline-flex;align-items:center;gap:6px;background:var(--cc);color:#06130b;
    font-size:10.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
    padding:5px 11px;border-radius:5px}
  .tag .cat-ic{stroke:#06130b}

  /* ══════════════ TEMA CIBER — proyector y participante ══════════════ */
  .ciber{
    --bg:#05090d; --text:#d8ffe9; --muted:#6fa58b;
    --card:rgba(8,20,16,.9); --card-border:#1d5a43;
    --accent:#dbf266; --accent-text:#0545b0; --accent2:#00d0ff; --term:#39ff9f; --bad:#ff3b5c;
    --font-title:'Orbitron',sans-serif; --font-body:'IBM Plex Sans',system-ui,sans-serif;
    --mono:'Share Tech Mono',ui-monospace,monospace;
    background:
      linear-gradient(rgba(90,132,206,.07) 1px,transparent 1px) 0 0/36px 36px,
      linear-gradient(90deg,rgba(57,255,159,.05) 1px,transparent 1px) 0 0/36px 36px,
      radial-gradient(ellipse at top,#0c1f42 0%,#05090d 62%) fixed;
    color:var(--text);font-family:var(--font-body);
    padding:0 max(16px,env(safe-area-inset-left,0px)) 40px max(16px,env(safe-area-inset-right,0px));
  }
  .ciber h1,.ciber h2,.ciber h3,.ciber .ttl{font-family:var(--font-title);text-transform:uppercase;letter-spacing:.06em;font-weight:800}
  .ciber .card{background:var(--card);border:1px solid var(--card-border);border-radius:6px;box-shadow:0 0 24px rgba(90,132,206,.08)}
  .ciber .mono{font-family:var(--mono)}
  .ciber .muted{color:var(--muted)}
  .ciber .accent{color:var(--accent)}
  .glow{text-shadow:0 0 16px currentColor}

  /* ── proyector ── */
  .proy-top{display:flex;align-items:center;gap:16px;justify-content:space-between;padding:22px 0 10px;flex-wrap:wrap}
  .proy-brand{display:flex;align-items:center;gap:12px}
  .proy-brand .name{font-size:11px;letter-spacing:.14em;color:var(--muted)}
  .proy-brand .evt{font-size:20px}
  .room{font-family:var(--mono);font-size:13px;color:var(--muted);border:1px dashed var(--card-border);border-radius:6px;padding:6px 12px}
  .room b{color:var(--accent2);letter-spacing:.2em}
  .live-badge{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:12px;font-weight:700;
    letter-spacing:.12em;color:var(--bad);border:1px solid rgba(255,59,92,.5);background:rgba(255,59,92,.08);
    padding:6px 12px;border-radius:99px}
  .live-dot{width:8px;height:8px;border-radius:50%;background:var(--bad);animation:livepulse 1.4s ease-in-out infinite}
  @keyframes livepulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(255,59,92,.6)}50%{opacity:.5;box-shadow:0 0 0 5px rgba(255,59,92,0)}}
  .hero-wrap{position:relative}
  .hero-watermark{position:absolute;right:-16px;top:-28px;width:200px;height:200px;opacity:.14;pointer-events:none}
  .clock-big{text-align:center;margin:18px 0 28px;position:relative}
  .clock-big .lbl{font-size:12px;letter-spacing:.2em;color:var(--muted);margin-bottom:6px}
  .clock-big .num{font-family:var(--mono);font-size:clamp(48px,9vw,96px);font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}
  .board-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:18px}
  @media (max-width:860px){.board-grid{grid-template-columns:1fr}}
  .rank{display:flex;flex-direction:column;gap:8px;padding:16px;transition:background .15s}
  .rank .r{display:flex;align-items:center;gap:12px;padding:8px 10px;border-radius:6px;transition:background .5s}
  .rank .r:nth-child(odd){background:rgba(255,255,255,.03)}
  .rank .r.flash{background:rgba(219,242,102,.22)!important}
  .rank .pos{font-family:var(--mono);width:1.6em;text-align:right;color:var(--muted)}
  .rank .pos.p1{color:var(--accent)}.rank .pos.p2{color:var(--accent2)}.rank .pos.p3{color:#ffd166}
  .rank .nm{flex:1;font-weight:600}
  .rank .pt{font-family:var(--mono);font-weight:700;color:var(--accent);transition:color .3s}

  /* ── proyector: gráfico de evolución en directo ── */
  .race-box{padding:18px 20px 10px}
  .race-box h3{font-size:13px;padding:0 0 12px}
  .race-legend{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px;padding:0 4px}
  .race-legend span{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);font-family:var(--mono)}
  .race-legend i{width:9px;height:9px;border-radius:50%;display:inline-block}
  .race-svg path{fill:none;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;
    stroke-dasharray:1400;stroke-dashoffset:1400;animation:racedraw 2.4s ease-out forwards}
  .race-svg circle.dot{animation:racefade 1.4s ease-out forwards;animation-delay:1.8s;opacity:0}
  @keyframes racedraw{to{stroke-dashoffset:0}}
  @keyframes racefade{to{opacity:1}}
  .cat-strip{display:flex;flex-direction:column;gap:8px;padding:16px}
  .cat-strip .c{display:flex;align-items:center;gap:9px;padding:7px 10px;border-radius:6px;background:rgba(255,255,255,.03);border-left:3px solid var(--cc)}
  .cat-strip .c .n{flex:1;font-size:13px}
  .cat-strip .c .f{font-family:var(--mono);font-size:12px;color:var(--muted)}
  .cat-strip .c .meter{display:inline-block;flex:none;width:90px;height:5px;border-radius:99px;background:rgba(255,255,255,.1);overflow:hidden;padding:0;border:0;margin:0}
  .cat-strip .c .meter i{display:block;height:100%;background:var(--cc)}

  /* ── participante: cabecera ── */
  .p-top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:14px;padding:12px 0;
    background:linear-gradient(#05090d,rgba(5,9,13,.4));flex-wrap:wrap}
  .p-top .lbl{font-size:11px;color:var(--muted);letter-spacing:.1em}
  .p-top .val{font-family:var(--mono);font-weight:700}
  .p-top .grow{flex:1}
  .p-top .timer{font-family:var(--mono);font-size:22px;color:var(--accent)}
  .section-h{font-size:13px;color:var(--muted);margin:26px 0 10px;letter-spacing:.08em}
  .ptabs{display:flex;gap:8px;margin:16px 0 6px}
  .ptab{background:transparent;border:1px solid var(--card-border);color:var(--muted);
    padding:7px 18px;border-radius:99px;font-weight:700;font-size:12.5px;text-transform:uppercase;letter-spacing:.05em}
  .ptab.cur{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}

  /* ── participante: estadísticas individuales ── */
  .kpi-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:8px}
  .kpi{padding:14px 16px;text-align:center}
  .kpi .n{font-family:var(--mono);font-size:1.7em;font-weight:700;color:var(--accent)}
  .kpi .l{font-size:11.5px;color:var(--muted);margin-top:4px;text-transform:uppercase;letter-spacing:.04em}
  .diff-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:8px}
  .diff{padding:14px 16px}
  .diff .hd{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--muted);margin-bottom:8px;text-transform:uppercase;letter-spacing:.04em}
  .diff .v{font-family:var(--mono);font-size:1.3em;font-weight:700}
  .diff .pts{font-size:12px;color:var(--muted);margin-top:2px}
  .badges{display:flex;flex-wrap:wrap;gap:10px}
  .badge{display:flex;align-items:center;gap:8px;padding:9px 14px;border-radius:8px}
  .badge svg{width:20px;height:20px;stroke:var(--accent-text);fill:none;stroke-width:1.6;flex:none}
  .badge.got{background:var(--accent)}
  .badge.got span{color:var(--accent-text);font-weight:700;font-size:12.5px}
  .badge.locked{background:transparent;border:1px dashed var(--card-border);opacity:.55}
  .badge.locked svg{stroke:var(--muted)}
  .badge.locked span{color:var(--muted);font-size:12.5px}
  .secmsg{display:flex;gap:12px;padding:14px 16px;border-radius:8px;background:rgba(219,242,102,.08);border:1px solid rgba(219,242,102,.35);margin-top:16px}
  .secmsg svg{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.6;flex:none;margin-top:1px}
  .secmsg .t{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);font-weight:700;margin-bottom:4px}
  .secmsg p{margin:0;max-width:60ch}

  /* ── participante: filtros del catálogo ── */
  .filters{display:flex;flex-wrap:wrap;align-items:end;gap:12px;margin:14px 0 18px}
  .filters .f{margin-bottom:0;min-width:150px}
  .filters .f span{font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700}
  .filters .f select,.filters .f input{background:#0b120f;border:1px solid var(--card-border);border-radius:6px;padding:8px 10px;color:var(--text);font-size:13px}
  .filters .search-f{flex:1;min-width:220px}
  .filters .search{display:flex;gap:6px}
  .filters .search input{flex:1}
  .filters .clear{align-self:center;font-size:12px;color:var(--muted);text-decoration:underline;background:none;border:0}

  /* ── participante: catálogo de retos (tarjetas) ── */
  .catalog{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin-bottom:8px}
  .ccard{position:relative;border-radius:10px;overflow:hidden;cursor:pointer;transition:transform .15s, box-shadow .15s}
  .ccard:hover{transform:translateY(-2px)}
  .ccard.sel{box-shadow:0 0 0 2px var(--accent)}
  .ccard .hero{position:relative;height:112px;display:flex;align-items:flex-end;justify-content:center;
    background:linear-gradient(135deg,var(--cc) 0%,#05090d 85%) center/cover no-repeat}
  .ccard .hero::after{content:'';position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(5,9,13,0) 45%,rgba(5,9,13,.92) 100%),
      linear-gradient(0deg,var(--cc) 0%,transparent 35%);opacity:.9}
  .ccard .hero svg{width:40px;height:40px;stroke:rgba(255,255,255,.85);stroke-width:1.4;fill:none}
  .ccard .ribbon{position:absolute;top:9px;right:-30px;transform:rotate(38deg);background:var(--accent);
    color:var(--accent-text);font-size:9.5px;font-weight:800;letter-spacing:.08em;padding:3px 34px;text-transform:uppercase;z-index:2}
  .ccard .body{background:var(--card);padding:10px 0 12px}
  .ccard .body .tag{margin:0 0 9px;border-radius:0}
  .ccard .sub{font-size:11px;color:var(--muted);padding:0 12px;font-family:var(--mono)}
  .ccard h3{padding:3px 12px 10px;font-size:.98em}
  .ccard .foot{display:flex;justify-content:space-between;align-items:center;padding:0 12px 12px;font-size:12px;color:var(--muted)}
  .ccard .foot span{display:inline-flex;align-items:center;gap:5px}
  .ccard .foot b{color:var(--text);font-family:var(--mono)}

  /* ── participante: ficha de detalle ── */
  .d-wrap{position:relative;margin-bottom:84px}
  .d-hero{height:200px;border-radius:10px;position:relative;overflow:hidden;
    background:linear-gradient(135deg,var(--cc) 0%,#05090d 80%) center/cover no-repeat}
  .d-hero::after{content:'';position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(5,9,13,.92) 0%,rgba(5,9,13,.55) 42%,rgba(5,9,13,.15) 72%)}
  .d-illus{position:absolute;right:6px;top:0;width:220px;height:170px;opacity:.55}
  .d-card{position:absolute;left:0;bottom:-70px;width:min(580px,94%);padding:18px 22px;display:flex;flex-direction:column;gap:4px;z-index:1}
  .d-sub{font-size:12px;color:var(--muted);font-family:var(--mono);margin-top:10px}
  .d-title{font-size:1.5em;margin-bottom:2px}
  .d-meta{display:flex;gap:16px;flex-wrap:wrap;margin:8px 0 14px;font-size:12.5px;color:var(--muted)}
  .d-meta span{display:inline-flex;align-items:center;gap:6px}
  .d-meta .ic{width:15px;height:15px}
  .challenge-body p{margin:0 0 14px;max-width:65ch;white-space:pre-wrap}
  .hint-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
  .btn{border:0;border-radius:4px;padding:9px 16px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;font-size:13px}
  .btn.ghost{background:transparent;border:1px solid var(--card-border);color:var(--text)}
  .btn.accent{background:var(--accent);color:var(--accent-text)}
  .btn.accent2{background:var(--accent2);color:#00141c}
  .flagrow{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
  .flagrow input{flex:1;min-width:220px;font-family:var(--mono);background:#020604;border:1px solid var(--card-border);border-radius:4px;padding:10px 12px;color:var(--text)}
  .flagrow input:focus{outline:2px solid var(--accent)}
  .term{background:#010302;border:1px solid var(--card-border);border-radius:6px;padding:14px;font-family:var(--mono);font-size:13px;color:var(--term);min-height:140px}
  .term .pr{color:var(--accent2)}
  .term .cur{display:inline-block;width:8px;height:14px;background:var(--term);animation:blink 1s steps(1) infinite;vertical-align:-2px}
  @keyframes blink{50%{opacity:0}}

  /* ══════════════ PANEL NEUTRO — director y editor ══════════════ */
  .panel-theme{background:var(--bg);color:var(--text);font-family:var(--font)}
  .panel-theme a{color:var(--s2-lime)}
  .bar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;min-height:60px;
    padding:10px max(16px,env(safe-area-inset-left,0px)) 10px max(16px,env(safe-area-inset-right,0px));
    background:#000;border-bottom:1px solid var(--line);position:sticky;top:45px;z-index:6}
  .bar .brand{display:flex;align-items:center;gap:14px}
  .bar .brand .ttl{display:flex;flex-direction:column;line-height:1.2;padding-left:14px;border-left:1px solid var(--line)}
  .bar .brand .ttl b{font-size:14px}.bar .brand .ttl span{font-size:11.5px;color:var(--muted)}
  .grow{flex:1}
  .pill{padding:3px 10px;border-radius:99px;background:var(--panel-2);border:1px solid var(--line);font-size:12.5px;color:var(--muted)}
  .pill b{color:var(--text);font-family:var(--mono);letter-spacing:.1em}
  .pill.live{background:var(--s2-lime);color:var(--s2-blue);border-color:var(--s2-lime);font-weight:800}
  .wrap{padding:18px max(16px,env(safe-area-inset-left,0px)) 40px max(16px,env(safe-area-inset-right,0px));
    display:flex;flex-direction:column;gap:16px;max-width:1600px;margin:0 auto}
  .box{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px}
  .box>h2{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--s2-lime);margin-bottom:12px}
  .b{border:1px solid var(--line-2);background:transparent;border-radius:6px;padding:7px 13px;font-weight:600}
  .b:hover{background:rgba(255,255,255,.08)}
  .b.pri{background:var(--s2-lime);border-color:var(--s2-lime);color:var(--s2-blue);font-weight:800}
  .b.solid{background:var(--s2-blue);border-color:var(--s2-blue);color:#fff}
  .ctl-row{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
  .clock{font-family:var(--mono);font-size:2.2em;font-weight:700;font-variant-numeric:tabular-nums}
  .teams{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
  .pcard{border-top:4px solid var(--s2-blue-l);display:flex;flex-direction:column;gap:9px}
  .pcard.ask{border-top-color:var(--warn)}
  .pcard .hd{display:flex;align-items:center;gap:9px}
  .pcard .hd h3{font-size:1.02em}
  .pcard .hd .grow{flex:1}
  .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ok)}
  .dot.bad{background:var(--bad)}
  .pcard .now{background:var(--panel-2);border-radius:7px;padding:7px 10px;font-size:13px;display:flex;justify-content:space-between;gap:8px}
  .pcard .wrong{font-family:var(--mono);font-size:12px;color:var(--bad)}
  .pcard .ask-pill{font-size:11.5px;background:var(--warn);color:#1d1400;border-radius:5px;padding:2px 8px;font-weight:700;display:inline-flex;gap:5px;align-items:center}
  .log{font-family:var(--mono);font-size:12.5px;max-height:260px;overflow:auto;display:flex;flex-direction:column-reverse;gap:3px}
  .log .t{color:var(--muted)}

  /* ── editor ── */
  .ed{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,38%);gap:16px}
  @media (max-width:1060px){.ed{grid-template-columns:1fr}}
  .f{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--muted);margin-bottom:12px}
  .f>span{font-weight:700;color:var(--text)}
  .f input,.f select,.f textarea{background:#0b0f14;border:1px solid var(--line);border-radius:8px;padding:9px 11px;color:var(--text);font-size:14.5px}
  .f textarea{min-height:90px;resize:vertical}
  .grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0 14px}
  .hintrow{display:grid;grid-template-columns:1fr 110px auto;gap:8px;align-items:end;margin-bottom:10px}
  .chk{display:flex;gap:8px;align-items:center;font-size:14px;margin:4px 0 14px}
  .lib{display:flex;flex-direction:column;gap:10px}
  .lib .g{border-radius:8px;overflow:hidden;background:var(--panel-2);border:1px solid var(--line)}
  .lib .g .strip{height:30px;background:linear-gradient(120deg,var(--cc),var(--panel-2) 140%);display:flex;align-items:center;padding:0 10px}
  .lib .g .strip svg{width:15px;height:15px;stroke:rgba(255,255,255,.9);stroke-width:1.6;fill:none}
  .lib .g .row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 11px}
  .lib .g .t{font-size:13.5px}
  .lib .g .p{font-family:var(--mono);color:var(--s2-lime);font-size:13px}
  .lib .g.cur{box-shadow:inset 0 0 0 1.5px var(--s2-lime)}