/* demo.css — BIRO interactive demo shell (R06A). Self-contained; dark + amber. */
:root{
  --d-bg:#0e0e10; --d-panel:#17171b; --d-panel-2:#1e1e24; --d-line:rgba(255,255,255,.10);
  --d-ink:#ece9e2; --d-muted:#9a968c; --d-accent:#F7A81B; --d-accent-deep:#1a1204;
  --d-pos:#3fbf7f; --d-neg:#e2685f; --d-radius:14px;
}
*{box-sizing:border-box}
body.demo-body{margin:0;background:var(--d-bg);color:var(--d-ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
.wrap{width:100%;max-width:940px;margin:0 auto;padding:0 clamp(1rem,4vw,1.6rem)}

/* DEMO banner (sticky) */
.demo-banner{position:sticky;top:0;z-index:40;display:flex;flex-wrap:wrap;align-items:center;gap:.7rem;
  padding:.7rem clamp(1rem,4vw,1.6rem);background:linear-gradient(90deg,rgba(247,168,27,.16),rgba(247,168,27,.06));
  border-bottom:1px solid rgba(247,168,27,.35);backdrop-filter:blur(6px)}
.demo-banner__tag{font-weight:800;letter-spacing:.08em;font-size:.72rem;color:var(--d-accent-deep);
  background:var(--d-accent);padding:.2rem .5rem;border-radius:6px;white-space:nowrap}
.demo-banner__txt{font-size:.86rem;color:var(--d-ink);flex:1 1 220px;min-width:180px}
.demo-banner__acts{display:flex;flex-wrap:wrap;gap:.5rem;margin-left:auto}

/* buttons */
.demo-btn{font:inherit;font-size:.82rem;font-weight:600;border-radius:9px;padding:.5rem .85rem;
  border:1px solid var(--d-line);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;
  gap:.4rem;line-height:1;transition:transform .12s ease,background .15s ease,border-color .15s ease}
.demo-btn:hover{transform:translateY(-1px)}
.demo-btn--solid{background:var(--d-accent);color:var(--d-accent-deep);border-color:var(--d-accent)}
.demo-btn--solid:hover{background:#ffbf3d}
.demo-btn--ghost{background:transparent;color:var(--d-ink)}
.demo-btn--ghost:hover{border-color:var(--d-accent);color:var(--d-accent)}
.demo-btn:focus-visible{outline:2px solid var(--d-accent);outline-offset:2px}

/* head */
.demo-shell{padding:clamp(1.2rem,4vw,2rem) 0 4rem}
.demo-title{font-size:clamp(1.5rem,4vw,2rem);margin:0 0 .2rem;font-weight:800}
.demo-sub{margin:0;color:var(--d-muted);font-size:.95rem}
.demo-task{display:flex;gap:.6rem;align-items:flex-start;margin-top:1rem;padding:.7rem .9rem;
  border:1px solid rgba(247,168,27,.3);background:rgba(247,168,27,.06);border-radius:12px}
.demo-task__k{color:var(--d-accent);font-weight:800}
.demo-task__t{font-size:.9rem}

/* toolbar */
.demo-bar{display:flex;flex-wrap:wrap;gap:.8rem;align-items:end;margin:1.4rem 0 1rem}
.demo-filter{display:flex;flex-direction:column;gap:.3rem}
.demo-filter__lbl{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--d-muted)}
.demo-bar__right{display:flex;gap:.5rem;margin-left:auto}
.demo-select,.demo-input{font:inherit;font-size:.9rem;background:var(--d-panel-2);color:var(--d-ink);
  border:1px solid var(--d-line);border-radius:9px;padding:.5rem .7rem}
.demo-select:focus,.demo-input:focus{outline:2px solid var(--d-accent);outline-offset:1px;border-color:var(--d-accent)}

/* list */
.demo-list{display:grid;gap:.7rem}
.demo-card{text-align:left;width:100%;background:var(--d-panel);border:1px solid var(--d-line);
  border-radius:var(--d-radius);padding:.9rem 1rem;cursor:pointer;color:inherit;font:inherit;
  transition:border-color .15s ease,transform .12s ease,background .15s ease}
.demo-card:hover{border-color:rgba(247,168,27,.5);transform:translateY(-1px);background:var(--d-panel-2)}
.demo-card:focus-visible{outline:2px solid var(--d-accent);outline-offset:2px}
.demo-card__top{display:flex;justify-content:space-between;align-items:center;gap:.7rem}
.demo-card__title{font-weight:700;font-size:1rem}
.demo-card__meta{margin-top:.35rem;color:var(--d-muted);font-size:.85rem;line-height:1.45}
.demo-empty{color:var(--d-muted);padding:1.4rem;text-align:center;border:1px dashed var(--d-line);border-radius:12px}

/* status pills */
.demo-pill{font-size:.72rem;font-weight:700;padding:.24rem .55rem;border-radius:99px;white-space:nowrap;
  background:rgba(255,255,255,.08);color:var(--d-ink);border:1px solid var(--d-line)}
.demo-pill--pos{background:rgba(63,191,127,.14);color:#7fe0aa;border-color:rgba(63,191,127,.4)}
.demo-pill--neg{background:rgba(226,104,95,.14);color:#f0a09a;border-color:rgba(226,104,95,.4)}

/* modal */
.demo-modal{position:fixed;inset:0;z-index:60;display:none;align-items:flex-start;justify-content:center;
  padding:5vh 1rem;background:rgba(0,0,0,.62);overflow:auto}
.demo-modal.is-open{display:flex}
.demo-modal__card{width:100%;max-width:520px;background:var(--d-panel);border:1px solid var(--d-line);
  border-radius:16px;padding:1.2rem}
.demo-modal__head{display:flex;justify-content:space-between;align-items:center;gap:.8rem;margin-bottom:1rem}
.demo-modal__title{margin:0;font-size:1.1rem}
.demo-x{background:transparent;border:0;color:var(--d-muted);font-size:1.6rem;line-height:1;cursor:pointer;padding:.1rem .4rem}
.demo-x:hover{color:var(--d-ink)}
.demo-form{display:grid;gap:.8rem}
.demo-f{display:flex;flex-direction:column;gap:.3rem}
.demo-f__lbl{font-size:.76rem;text-transform:uppercase;letter-spacing:.05em;color:var(--d-muted)}
.demo-input{width:100%}
textarea.demo-input{resize:vertical}
.demo-modal__foot{display:flex;justify-content:flex-end;gap:.6rem;margin-top:1.2rem}

/* guided tour */
.demo-tour{position:fixed;inset:0;z-index:80}
.demo-tour__overlay{position:absolute;inset:0;background:rgba(0,0,0,.55)}
.demo-tour__ring{position:fixed;border:2px solid var(--d-accent);border-radius:12px;
  box-shadow:0 0 0 4px rgba(247,168,27,.25);pointer-events:none;transition:all .2s ease}
.demo-tour__pop{width:300px;max-width:calc(100vw - 24px);background:var(--d-panel-2);
  border:1px solid rgba(247,168,27,.4);border-radius:14px;padding:1rem;z-index:81;box-shadow:0 18px 50px rgba(0,0,0,.5)}
.demo-tour__step{font-size:.72rem;color:var(--d-accent);font-weight:700;letter-spacing:.06em}
.demo-tour__title{margin:.3rem 0 .3rem;font-size:1rem}
.demo-tour__text{margin:0;font-size:.88rem;color:var(--d-ink);line-height:1.5}
.demo-tour__acts{display:flex;justify-content:space-between;gap:.6rem;margin-top:1rem}

/* back link footer */
.demo-foot{border-top:1px solid var(--d-line);margin-top:2rem;padding:1.4rem 0;color:var(--d-muted);font-size:.82rem}
.demo-foot a{color:var(--d-accent)}
.demo-missing{margin-top:.6rem;font-size:.8rem;color:var(--d-muted)}

@media (max-width:520px){
  .demo-banner__acts{width:100%;margin-left:0}
  .demo-bar__right{margin-left:0;width:100%}
  .demo-bar__right .demo-btn{flex:1}
}
@media (prefers-reduced-motion:reduce){
  .demo-btn,.demo-card,.demo-tour__ring{transition:none}
  .demo-btn:hover,.demo-card:hover{transform:none}
}