/* ==========================================================================
   Backfield — arayüz kiti v4 (yatay, "Prime Time × OSM")
   Katmanlı düğmeler, dokulu paneller, altın parıltı, seçim/basma hareketi.
   Dokular: assets/bf/tex-*.jpg (yoksa gradyan yedeği devreye girer).
   ========================================================================== */

:root {
  --bf-bg-0: #03122b; --bf-bg-1: #072a5e; --bf-bg-2: #0d4aa0;
  --bf-ink: #0b1a33; --bf-sky: #2f8fe0; --bf-sky-2: #8fd3ff;
  --bf-gold: #e2b84f; --bf-gold-2: #f7d98a; --bf-gold-3: #b8882a; --bf-gold-ink: #3a2800;
  --bf-red: #d8102e; --bf-green: #2fb05d;
  --bf-line: rgba(255,255,255,.16); --bf-line-2: rgba(255,255,255,.3);
  --bf-glass: rgba(6,30,70,.72);
  --bf-top-h: 50px; --bf-rail-w: 88px;
  --tex-carbon: url(../assets/bf/tex-carbon.jpg);
  --tex-gold: url(../assets/bf/tex-gold.jpg);
  --font-ui: 'Oswald', 'Barlow Condensed', sans-serif;
  --font-num: 'Bebas Neue', 'Oswald', sans-serif;
  --font-text: 'Inter', 'Barlow', sans-serif;
  --ease-out: cubic-bezier(.22, 1, .36, 1); --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
}

/* --- hareket ---------------------------------------------------------------- */
@keyframes bf-in { from { opacity: 0; transform: translateY(14px) scale(.985); } to { opacity: 1; transform: none; } }
@keyframes bf-in-l { from { opacity: 0; transform: translateX(-16px); } to { opacity: 1; transform: none; } }
@keyframes bf-pop { from { opacity: 0; transform: scale(.6); } to { opacity: 1; transform: scale(1); } }
@keyframes bf-sheen { 0% { transform: translateX(-130%) skewX(-18deg); } 55% { transform: translateX(230%) skewX(-18deg); } 100% { transform: translateX(230%) skewX(-18deg); } }
@keyframes bf-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(226,184,79,.55), var(--bf-shadow, 0 0 0 transparent); } 60% { box-shadow: 0 0 0 10px rgba(226,184,79,0), var(--bf-shadow, 0 0 0 transparent); } }
@keyframes bf-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }
@keyframes bf-live { from { opacity: .45; } to { opacity: 1; } }
@keyframes bf-rot { from { transform: rotate(0); } to { transform: rotate(90deg); } }
@keyframes bf-shake { 0%,100% { transform: translate(0,0); } 20% { transform: translate(-5px,3px); } 40% { transform: translate(5px,-3px); } 60% { transform: translate(-3px,2px); } 80% { transform: translate(3px,-2px); } }
@keyframes bf-check { from { transform: scale(0) rotate(-30deg); } to { transform: scale(1) rotate(0); } }
.bf-anim { animation: bf-in .5s var(--ease-out) both; animation-delay: calc(var(--i, 0) * 60ms); }
.bf-shake { animation: bf-shake .45s linear; }

/* --- yatay kilidi ------------------------------------------------------------ */
.bf-rotate { position: fixed; inset: 0; z-index: 9000; display: none; place-items: center; text-align: center; padding: 24px; color: #fff;
  background: radial-gradient(900px 500px at 50% 120%, var(--bf-bg-2), var(--bf-bg-1) 60%, var(--bf-bg-0)); }
.bf-rotate .ico { width: 64px; height: 64px; margin: 0 auto 14px; border: 3px solid var(--bf-gold); border-radius: 12px; animation: bf-rot 1.6s ease-in-out infinite alternate; }
.bf-rotate h3 { font: 700 22px/1.2 var(--font-ui); letter-spacing: 1px; }
.bf-rotate p { color: #cfd9ea; margin-top: 6px; font-family: var(--font-text); }
@media (orientation: portrait) and (max-width: 900px) { .bf-rotate { display: grid; } }

/* --- kabuk ------------------------------------------------------------------ */
.bf { position: fixed; inset: 0; overflow: hidden; color: #fff; font-family: var(--font-text);
  background: radial-gradient(1100px 600px at 50% 120%, var(--bf-bg-2), var(--bf-bg-1) 60%, var(--bf-bg-0));
  padding-top: var(--safe-t); padding-left: var(--safe-l); padding-right: var(--safe-r); -webkit-user-select: none; user-select: none; }
.bf-rays { position: absolute; inset: 0; pointer-events: none; opacity: .9;
  background: repeating-conic-gradient(from 200deg at 50% -20%, rgba(255,255,255,.05) 0 4deg, transparent 4deg 12deg); }
.bf-bgimg { position: absolute; inset: 0; background-size: cover; background-position: center; pointer-events: none; }
.bf-bgimg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(3,18,43,.55), rgba(3,18,43,.75) 60%, rgba(3,18,43,.92)); }

.bf-top { position: absolute; left: 0; right: 0; top: var(--safe-t); height: var(--bf-top-h); z-index: 10; display: flex; align-items: center; padding-right: 14px;
  background: linear-gradient(#ffffff, #e3e9f2 70%, #d3dbe8); color: var(--bf-ink); box-shadow: 0 4px 16px rgba(0,0,0,.4), inset 0 -1px 0 rgba(0,0,0,.12); }
.bf-top::after { content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 3px; background: linear-gradient(90deg, var(--bf-gold-3), var(--bf-gold-2), var(--bf-gold-3)); }
.bf-top .av { width: 88px; height: 100%; flex: none; position: relative; overflow: hidden; background: linear-gradient(135deg, #9fd3ff, var(--bf-sky)); clip-path: polygon(0 0, 100% 0, 76% 100%, 0 100%); }
.bf-top .av img { position: absolute; left: 8px; top: 4px; width: 46px; height: 46px; object-fit: cover; object-position: center 10%; border-radius: 50%; border: 3px solid #fff; background: var(--bf-sky); box-shadow: 0 3px 8px rgba(0,0,0,.3); }
.bf-top .wk { margin-left: 8px; font: 700 12px var(--font-ui); letter-spacing: 1.2px; text-transform: uppercase; color: #27406b; }
.bf-pill { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 10px 0 4px; border-radius: 999px; margin-left: 10px; color: #fff;
  background: linear-gradient(#1b4b9b, #0e2d60 60%, #0a1f45); font: 700 13px var(--font-ui); letter-spacing: .5px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 2px 6px rgba(0,0,0,.35); }
.bf-pill i { width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; font: 800 11px var(--font-text); color: #333; font-style: normal;
  background: radial-gradient(circle at 35% 30%, #fff, #c9ced6 45%, #7c8794); box-shadow: inset 0 -2px 3px rgba(0,0,0,.35); }
.bf-pill i.g { background: radial-gradient(circle at 35% 30%, #fff5c8, var(--bf-gold) 45%, #8a6a1a); color: #4a3600; }
.bf-pill b { color: var(--bf-gold-2); margin-left: 2px; }
.bf-top .sp { flex: 1; }
.bf-top .ic { width: 34px; height: 34px; border-radius: 9px; margin-left: 8px; border: 0; cursor: pointer; display: grid; place-items: center; color: #fff;
  background: linear-gradient(#1b4b9b, #0e2d60 60%, #0a1f45); box-shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 2px 6px rgba(0,0,0,.35); transition: transform .15s var(--ease-out); }
.bf-top .ic:active { transform: scale(.92); }
.bf-top .ic svg { width: 19px; height: 19px; }
.bf-top .ic img { width: 21px; height: 21px; object-fit: contain; }

.bf-rail { position: absolute; left: var(--safe-l); top: calc(var(--safe-t) + var(--bf-top-h)); bottom: 0; width: var(--bf-rail-w); z-index: 6; display: flex; flex-direction: column; align-items: center; padding-top: 12px; gap: 8px; }
.bf-rail .it { width: 70px; height: 56px; border-radius: 12px; border: 1px solid var(--bf-line); cursor: pointer; position: relative; color: #dfe7f5;
  background: linear-gradient(rgba(255,255,255,.08), rgba(255,255,255,.02)), var(--bf-glass);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; font: 600 9.5px var(--font-ui); letter-spacing: .8px; text-transform: uppercase;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12), 0 3px 10px rgba(0,0,0,.3); transition: transform .15s var(--ease-out), background .2s; }
.bf-rail .it img { width: 26px; height: 26px; object-fit: contain; filter: drop-shadow(0 3px 4px rgba(0,0,0,.5)); }
.bf-rail .it svg { width: 22px; height: 22px; }
.bf-rail .it:active { transform: scale(.94); }
.bf-rail .it.on { background: linear-gradient(#ffffff, #dde5f0); color: #0e2d60; border-color: #fff; box-shadow: 0 6px 16px rgba(0,0,0,.4), inset 0 -2px 0 var(--bf-gold); }
.bf-rail .it .n { position: absolute; right: -4px; top: -4px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 999px; background: var(--bf-red); color: #fff; font: 700 10px var(--font-ui); display: grid; place-items: center; border: 2px solid #fff; }

.bf-main { position: absolute; left: calc(var(--safe-l) + var(--bf-rail-w)); right: var(--safe-r); top: calc(var(--safe-t) + var(--bf-top-h)); bottom: 0; }

/* --- yüzeyler --------------------------------------------------------------- */
.bf-panel { position: relative; border-radius: 16px; border: 1px solid var(--bf-line);
  background: linear-gradient(160deg, rgba(27,75,155,.75), rgba(10,31,69,.92) 55%, rgba(6,23,52,.96));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.18), 0 16px 34px rgba(0,0,0,.5); }
.bf-panel::before { content: ""; position: absolute; inset: 0; border-radius: inherit; background: var(--tex-carbon) center / 220px; opacity: .14; mix-blend-mode: overlay; pointer-events: none; }
.bf-panel > * { position: relative; }
.bf-glass { border-radius: 12px; background: var(--bf-glass); border: 1px solid var(--bf-line); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: inset 0 1px 0 rgba(255,255,255,.12); }
.bf-eyebrow { font: 700 10px var(--font-ui); letter-spacing: 2px; text-transform: uppercase; color: #cfd9ea; }
.bf-h { font: 600 13px var(--font-ui); letter-spacing: 1px; color: var(--bf-sky-2); text-transform: uppercase; }
.bf-num { font-family: var(--font-num); }
.bf-foil { background: linear-gradient(100deg, #fff6d0 0%, var(--bf-gold-2) 30%, #c99a2e 55%, var(--bf-gold-2) 80%, #fff6d0 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* --- düğmeler --------------------------------------------------------------- */
.bf-btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 7px; height: 36px; padding: 0 16px; border: 0; border-radius: 10px; cursor: pointer; overflow: hidden;
  font: 700 12px var(--font-ui); letter-spacing: 1.3px; text-transform: uppercase; color: #0e2d60; white-space: nowrap;
  background: linear-gradient(#ffffff, #e6ecf4 55%, #cfd8e6); box-shadow: inset 0 1px 0 #fff, inset 0 -2px 0 rgba(0,0,0,.12), 0 3px 0 #8c9db8, 0 8px 14px rgba(0,0,0,.35);
  transition: transform .12s var(--ease-out), box-shadow .12s var(--ease-out), filter .2s; }
.bf-btn::after { content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 40%; background: linear-gradient(90deg, transparent, rgba(255,255,255,.55), transparent); transform: translateX(-130%) skewX(-18deg); pointer-events: none; }
.bf-btn:hover { filter: brightness(1.04); }
.bf-btn:hover::after { animation: bf-sheen .9s var(--ease-out); }
.bf-btn:active { transform: translateY(2px); box-shadow: inset 0 1px 0 #fff, inset 0 -2px 0 rgba(0,0,0,.12), 0 1px 0 #8c9db8, 0 4px 10px rgba(0,0,0,.35); }
.bf-btn:disabled { filter: grayscale(.5) brightness(.75); cursor: default; }
.bf-btn img { width: 19px; height: 19px; object-fit: contain; filter: drop-shadow(0 2px 2px rgba(0,0,0,.4)); }
.bf-btn.gold { color: var(--bf-gold-ink); background: linear-gradient(#ffeeb8, var(--bf-gold) 50%, #c9952f 85%, #a97a1f);
  box-shadow: inset 0 1px 0 #fff8d8, inset 0 -2px 0 rgba(0,0,0,.18), 0 4px 0 #7d5a14, 0 12px 22px rgba(226,184,79,.35), 0 10px 18px rgba(0,0,0,.35); }
.bf-btn.gold::after { animation: bf-sheen 3.6s var(--ease-out) infinite; }
.bf-btn.gold:active { box-shadow: inset 0 1px 0 #fff8d8, inset 0 -2px 0 rgba(0,0,0,.18), 0 1px 0 #7d5a14, 0 4px 10px rgba(0,0,0,.35); }
.bf-btn.ghost { color: #fff; background: linear-gradient(rgba(255,255,255,.14), rgba(255,255,255,.04)), var(--bf-glass); border: 1px solid var(--bf-line-2); box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 6px 14px rgba(0,0,0,.3); }
.bf-btn.ghost:active { transform: translateY(2px); }
.bf-btn.red { color: #fff; background: linear-gradient(#ff6b7a, var(--bf-red) 55%, #9a0a1f); box-shadow: inset 0 1px 0 rgba(255,255,255,.4), 0 4px 0 #5a0612, 0 10px 18px rgba(0,0,0,.35); }
.bf-btn.lg { height: 44px; padding: 0 24px; font-size: 15px; letter-spacing: 2.2px; border-radius: 12px; }
.bf-btn.sm { height: 28px; padding: 0 10px; font-size: 10.5px; letter-spacing: 1px; border-radius: 8px; box-shadow: inset 0 1px 0 #fff, 0 2px 0 #8c9db8, 0 5px 10px rgba(0,0,0,.3); }
.bf-btn.pulse { animation: bf-pulse 2.2s infinite; --bf-shadow: 0 4px 0 #7d5a14, 0 12px 22px rgba(226,184,79,.35); }

/* --- çip, sekme, seçenek, giriş ---------------------------------------------- */
.bf-chip { display: inline-flex; align-items: center; gap: 5px; height: 26px; padding: 0 10px; border-radius: 999px; border: 1px solid var(--bf-line-2); color: #fff;
  background: linear-gradient(rgba(255,255,255,.14), rgba(255,255,255,.03)), var(--bf-glass); font: 600 10.5px var(--font-ui); letter-spacing: 1.1px; text-transform: uppercase; box-shadow: inset 0 1px 0 rgba(255,255,255,.2); }
.bf-chip b { color: var(--bf-gold-2); }
.bf-chip img { width: 18px; height: 18px; object-fit: contain; }
.bf-tabs { display: inline-flex; gap: 3px; padding: 3px; border-radius: 999px; background: rgba(3,18,43,.6); border: 1px solid var(--bf-line); box-shadow: inset 0 2px 6px rgba(0,0,0,.45); }
.bf-tabs button { height: 28px; padding: 0 13px; border: 0; border-radius: 999px; background: transparent; color: #cfd9ea; cursor: pointer; font: 700 11px var(--font-ui); letter-spacing: 1.4px; text-transform: uppercase; transition: all .18s var(--ease-out); }
.bf-tabs button.on { background: linear-gradient(#ffffff, #dde5f0); color: #0e2d60; box-shadow: 0 3px 8px rgba(0,0,0,.35), inset 0 -2px 0 var(--bf-gold); }
.bf-opt { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 8px; height: 32px; padding: 0 10px 0 12px; border-radius: 9px; cursor: pointer; color: #fff; text-align: left;
  border: 1px solid var(--bf-line); background: linear-gradient(rgba(255,255,255,.1), rgba(255,255,255,.02)); font: 600 11.5px var(--font-ui); letter-spacing: 1.2px; text-transform: uppercase;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.14); transition: transform .14s var(--ease-out), background .2s, border-color .2s; }
.bf-opt:active { transform: scale(.985); }
.bf-opt .ck { width: 18px; height: 18px; border-radius: 50%; border: 2px solid rgba(255,255,255,.35); display: grid; place-items: center; font-size: 11px; color: var(--bf-gold-ink); flex: none; }
.bf-opt.on { border-color: #fff; color: var(--bf-gold-ink); background: linear-gradient(#ffeeb8, var(--bf-gold) 60%, #c9952f); box-shadow: inset 0 1px 0 #fff8d8, 0 6px 14px rgba(226,184,79,.3); }
.bf-opt.on .ck { background: #fff; border-color: #fff; animation: bf-check .35s var(--ease-spring); }
.bf-input { height: 38px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--bf-line-2); color: #fff; font: 600 14px var(--font-text); min-width: 200px;
  background: linear-gradient(rgba(0,0,0,.35), rgba(0,0,0,.2)); box-shadow: inset 0 2px 6px rgba(0,0,0,.5), inset 0 -1px 0 rgba(255,255,255,.08); outline: 0; transition: box-shadow .2s, border-color .2s; }
.bf-input::placeholder { color: #8ea0bf; }
.bf-input:focus { border-color: var(--bf-gold); box-shadow: inset 0 2px 6px rgba(0,0,0,.5), 0 0 0 3px rgba(226,184,79,.3), 0 0 18px rgba(226,184,79,.35); }
.bf-label { font: 700 10px var(--font-ui); letter-spacing: 2px; text-transform: uppercase; color: #cfd9ea; }

/* --- bildirim --------------------------------------------------------------- */
.bf .toast, .bf ~ .toast { font-family: var(--font-text); }

/* --- sahne (tuval) ---------------------------------------------------------- */
.bf-scene { position: absolute; inset: 0; background: var(--bf-bg-0); overflow: hidden; }
.bf-scene .bf-canvas { position: absolute; inset: 0; width: 100% !important; height: 100% !important; }
.bf-hud { position: absolute; inset: 0; pointer-events: none; }
.bf-hud > * { pointer-events: auto; }

/* --- bildirim (toast) Backfield üst merkez, ince ---------------------------- */
body:has(.bf) .toasts { bottom: auto; top: calc(var(--safe-t) + 54px); width: auto; max-width: min(380px, 70vw); gap: 6px; }
body:has(.bf) .toast { padding: 6px 12px; border-radius: 999px; gap: 8px; font: 600 11.5px var(--font-text); color: #fff; background: linear-gradient(rgba(255,255,255,.12), rgba(255,255,255,.03)), rgba(4,22,52,.9); border: 1px solid rgba(255,255,255,.2); border-left-width: 1px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: 0 8px 20px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.15); }
body:has(.bf) .toast .ico { font-size: 13px; }
body:has(.bf) .toast.ok { border-color: rgba(47,191,113,.7); box-shadow: 0 8px 20px rgba(0,0,0,.45), 0 0 14px rgba(47,191,113,.25); }
body:has(.bf) .toast.bad { border-color: rgba(255,93,108,.7); box-shadow: 0 8px 20px rgba(0,0,0,.45), 0 0 14px rgba(255,93,108,.25); }
body:has(.bf) .toast.info { border-color: rgba(226,184,79,.7); }