/* Brief energetyczny — page at energy.r4vk.org/brief/ and the teaser on energy.r4vk.org.
   Built on the tokens from energy.css (amber = energy, blue = power). */

.bf-wrap{padding-top:56px;padding-bottom:88px}
.bf-loading{color:var(--muted);padding:48px 0}
.bf-head{display:flex;flex-direction:column;gap:14px;max-width:880px;margin-bottom:40px}
.bf-h1{font-size:clamp(26px,3.4vw,40px);line-height:1.2;letter-spacing:-.025em;font-weight:800}
.bf-h2{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin:0 0 16px}

.bf-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.bf-main{min-width:0}

.bf-top{list-style:none;margin:0 0 48px;padding:0;display:grid;gap:14px}
.bf-topcard{display:grid;grid-template-columns:auto minmax(0,1fr);gap:18px;padding:22px 24px}
.bf-topcard:hover{transform:none}
.bf-num{font-size:14px;font-weight:600;color:var(--amber-ink);padding-top:3px}

.bf-title{display:inline;font-size:18px;font-weight:700;line-height:1.35;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
a.bf-title:hover{color:var(--power-ink);text-decoration:underline;text-underline-offset:3px}
.bf-meta{display:block;font-size:12px;color:var(--faint);margin:6px 0 8px}
.bf-pay{color:var(--amber-ink)}
.bf-sum{color:var(--muted);font-size:15.5px;line-height:1.6;max-width:62em}
.bf-sum strong{color:var(--ink);font-weight:700}

.bf-sec{margin-bottom:40px}
.bf-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.bf-list > li{padding:18px 0;border-bottom:1px solid var(--line-soft)}
.bf-list .bf-title{font-size:16px}

.bf-foot{font-size:12px;color:var(--faint);margin-top:8px}
.bf-note{font-size:13px;color:var(--faint);margin-top:10px;max-width:62em}

.bf-archive{position:sticky;top:96px;padding:20px 22px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
.bf-arch-list{list-style:none;margin:0;padding:0;max-height:60vh;overflow:auto}
.bf-arch-list a{display:block;padding:9px 0;border-bottom:1px solid var(--line-soft);color:var(--muted);text-decoration:none;font-size:14px;line-height:1.4}
.bf-arch-list a:hover{color:var(--ink)}
.bf-arch-list a[aria-current="page"]{color:var(--ink);font-weight:600}
.bf-arch-list .mono{display:block;font-size:12px;color:var(--amber-ink)}

/* "Newsy" in the energy nav: amber dot so it stands out */
.nav a.nav-news,.mobile-nav a.nav-news{color:var(--ink);font-weight:600;display:inline-flex;align-items:center;gap:7px}
.nav a.nav-news::before,.mobile-nav a.nav-news::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 3px rgba(242,165,22,.25)}

/* Floating "Newsy dnia" panel on energy.r4vk.org */
.bf-float{position:fixed;right:24px;bottom:24px;z-index:60;display:flex;flex-direction:column;align-items:flex-end;gap:12px;pointer-events:none}
.bf-float[hidden]{display:none}
.bf-float > *{pointer-events:auto}
.bf-f-btn{position:relative;display:inline-flex;align-items:center;gap:10px;border:0;cursor:pointer;
  background:var(--amber);color:#0B1220;font:700 15px/1 var(--font);padding:14px 20px 14px 16px;border-radius:999px;
  box-shadow:0 10px 30px rgba(242,165,22,.35),0 4px 12px rgba(14,23,38,.18);transition:transform .2s ease,box-shadow .2s ease}
.bf-f-btn:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(242,165,22,.45),0 6px 16px rgba(14,23,38,.2)}
.bf-f-btn:focus-visible{outline:3px solid var(--power);outline-offset:3px}
.bf-f-btn svg{width:18px;height:18px;fill:currentColor}
.bf-f-date{font-size:12px;font-weight:600;background:rgba(11,18,32,.12);padding:4px 8px;border-radius:999px}
.bf-f-dot{position:absolute;top:-2px;right:-2px;width:14px;height:14px;border-radius:50%;background:#E5484D;border:2px solid var(--bg)}
.bf-f-dot::after{content:"";position:absolute;inset:-2px;border-radius:50%;border:2px solid #E5484D;animation:bf-pulse 1.8s ease-out infinite}
@keyframes bf-pulse{from{transform:scale(1);opacity:.9}to{transform:scale(2.2);opacity:0}}
.open .bf-f-btn{box-shadow:0 4px 12px rgba(14,23,38,.2)}

.bf-f-panel{width:min(440px,calc(100vw - 32px));max-height:min(72vh,640px);overflow:auto;overscroll-behavior:contain;
  background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--amber);border-radius:var(--r);
  box-shadow:var(--shadow),0 4px 14px rgba(14,23,38,.12);padding:18px 20px 16px;
  opacity:0;transform:translateY(12px) scale(.98);transform-origin:bottom right;visibility:hidden;
  transition:opacity .2s ease,transform .2s ease,visibility 0s linear .2s}
.open .bf-f-panel{opacity:1;transform:none;visibility:visible;transition:opacity .2s ease,transform .2s ease}
.bf-f-panel:focus{outline:none}
.bf-f-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.bf-f-head .eyebrow{margin:0}
.bf-f-close{border:0;background:transparent;color:var(--muted);font-size:26px;line-height:1;cursor:pointer;padding:2px 6px;border-radius:8px}
.bf-f-close:hover{background:var(--hover);color:var(--ink)}
.bf-f-topic{font-size:18px;font-weight:800;line-height:1.3;letter-spacing:-.01em;margin:10px 0 14px}
.bf-f-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.bf-f-list li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;padding:14px 0;border-bottom:1px solid var(--line-soft)}
.bf-f-num{font-size:13px;font-weight:600;color:var(--amber-ink);padding-top:2px}
.bf-f-title{font-size:15px;font-weight:700;line-height:1.35;color:var(--ink);text-decoration:none}
a.bf-f-title:hover{color:var(--power-ink);text-decoration:underline;text-underline-offset:3px}
.bf-f-src{display:block;font-size:11.5px;color:var(--faint);margin:4px 0 6px}
.bf-f-sum{font-size:14px;line-height:1.55;color:var(--muted);margin:0}
.bf-f-sum strong{color:var(--ink)}
.bf-f-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px}
.bf-f-more{font-size:12.5px;color:var(--faint)}

@media (max-width:560px){
  .bf-float{right:16px;bottom:16px;left:16px}
  .bf-f-panel{width:100%;max-height:70vh}
  .bf-f-btn{padding:12px 16px 12px 14px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  .bf-f-dot::after{animation:none}
  .bf-f-panel,.bf-f-btn{transition:none}
}

@media (max-width:980px){
  .bf-grid{grid-template-columns:1fr}
  .bf-archive{position:static}
}
@media (max-width:560px){
  .bf-wrap{padding-top:36px}
  .bf-topcard{padding:18px;gap:12px}
}