/* ============================================================
   Coin Flip ("Cara ou Coroa") - pixel-identical WBET Originals
   ============================================================ */
.cf-root {
    --rb-card-deep: #191939;
    --rb-card-sunken: #12142E;
    --rb-bg: #090C1D;
    --rb-text: #ffffff;
    --rb-text-soft: rgba(191, 191, 191, 0.82);
    --rb-text-faint: rgba(160, 160, 160, 0.55);
    --rb-gold: #01e0a3;
    --rb-gold-deep: #04241b;
    --rb-border: rgba(1, 224, 163, 0.18);
    --rb-button-gradient: linear-gradient(420deg, rgb(0 255 142) 0%, #01e0a3 49%, #00aa6d 49%, #00aa6d 100%);
    --rb-button-box: #3a6d5f 0 -3px 0 0 inset, rgb(47 255 186) 0 2px 0 0 inset;
    background: var(--rb-bg);
    color: var(--rb-text);
    font-family: 'Inter', 'Exo 2', system-ui, sans-serif;
}

.cf-wrap { max-width: 1180px; margin: 0 auto; padding: 8px 0; }
@media (min-width: 640px) { .cf-wrap { padding: 8px; } }

.cf-title { margin: 0 0 12px; padding-left: 4px; font-size: 19px; font-weight: 900; color: var(--rb-text); }

.cf-grid { display: grid; gap: 12px; }
@media (min-width: 1024px) { .cf-grid { grid-template-columns: 320px minmax(0, 1fr); } }

.cf-left { order: 2; border-radius: 14px; background: var(--rb-card-deep); padding: 16px; }
@media (min-width: 1024px) { .cf-left { order: 1; } }
.cf-stack { display: flex; flex-direction: column; gap: 12px; }

.cf-betlabel {
    display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px;
    font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--rb-text-faint);
}
.cf-betlabel .cf-bal { text-transform: none; letter-spacing: normal; }

.cf-inputrow { display: flex; align-items: stretch; gap: 4px; }
.cf-input {
    flex: 1; min-width: 0; height: 44px; border: none; border-radius: 8px; background: var(--rb-bg);
    padding: 0 12px; font-size: 14px; font-weight: 700; color: var(--rb-text); outline: none; font-family: inherit;
}
.cf-mini {
    flex-shrink: 0; height: 44px; border: none; border-radius: 8px; background: var(--rb-bg); padding: 0 12px;
    font-size: 12px; font-weight: 600; color: var(--rb-text-soft); cursor: pointer; transition: filter 0.15s; font-family: inherit;
}
.cf-mini:hover { filter: brightness(1.25); }

.cf-fieldlabel {
    display: block; margin-bottom: 4px; font-size: 11px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.05em; color: var(--rb-text-faint);
}

.cf-coins { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.cf-coinbtn {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
    height: 80px; border: none; border-radius: 10px; background: var(--rb-bg);
    font-size: 11px; font-weight: 900; text-transform: uppercase; color: var(--rb-text-soft);
    cursor: pointer; transition: box-shadow 0.15s, opacity 0.15s; font-family: inherit;
    opacity: 0.7;
}
.cf-coinbtn:hover { opacity: 1; }
.cf-coinbtn img { height: 36px; width: 36px; object-fit: contain; }
.cf-coinbtn.active { opacity: 1; box-shadow: 0 0 0 2px var(--rb-gold); }

.cf-statgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.cf-stat {
    border-radius: 8px; background: var(--rb-bg); padding: 8px;
}
.cf-statlabel { display: block; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--rb-text-faint); margin-bottom: 2px; }
.cf-statval { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; font-weight: 900; color: var(--rb-text); }

.cf-paybox { grid-column: span 2 / span 2; border-radius: 8px; background: var(--rb-bg); padding: 8px; }

.cf-goldbtn {
    width: 100%; height: 48px; border: none; border-radius: 10px;
    background: var(--rb-button-gradient); box-shadow: var(--rb-button-box);
    color: var(--rb-gold-deep); font-size: 14px; font-weight: 700; text-transform: uppercase;
    cursor: pointer; transition: opacity 0.15s, filter 0.15s; font-family: inherit;
}
.cf-goldbtn:hover { filter: brightness(1.08); }
.cf-goldbtn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---- board ---- */
.cf-board { order: 1; min-width: 0; border-radius: 14px; background: #12142E; padding: 12px; }
@media (min-width: 640px) { .cf-board { padding: 16px; } }
@media (min-width: 1024px) { .cf-board { order: 2; } }

.cf-arena { position: relative; overflow: hidden; border-radius: 10px; min-height: min(62vh, 470px); background-color: #12142E; }
.cf-arena-bg { position: absolute; inset: 0; pointer-events: none; background-image: url('/assets/originals/board-bg.svg'); background-size: cover; background-position: center; background-repeat: no-repeat; }
.cf-arena-tint { position: absolute; inset: 0; pointer-events: none; background: rgba(6, 10, 18, 0.4); }

.cf-stage {
    position: relative;
    display: flex;
    min-height: min(62vh, 470px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    padding: 24px 12px;
}

.cf-duel { display: grid; width: 100%; max-width: 460px; grid-template-columns: 1fr 1fr; gap: 16px; }
.cf-card {
    display: flex; flex-direction: column; align-items: center; justify-content: space-between; gap: 12px;
    height: 190px; border: 5px solid rgba(22, 25, 40, 0.86); border-radius: 32px;
    background: rgba(22, 25, 40, 0.86); padding: 20px; transition: border-color 0.3s;
}
@media (min-width: 640px) { .cf-card { height: 250px; } }
.cf-cardlabel { font-size: 11px; font-weight: 900; text-transform: uppercase; letter-spacing: 0.02em; color: rgba(226, 238, 255, 0.7); }
.cf-coinwrap { display: grid; flex: 1; place-items: center; }
.cf-coin { height: 86px; width: 86px; object-fit: contain; }
@media (min-width: 640px) { .cf-coin { height: 118px; width: 118px; } }
.cf-caption { min-height: 20px; font-size: 13px; font-weight: 700; color: rgba(226, 238, 255, 0.9); }
.cf-caption.win { color: var(--rb-gold); }
.cf-caption.lose { color: #f4607a; }

.cf-flipbox { height: 86px; width: 86px; perspective: 900px; }
@media (min-width: 640px) { .cf-flipbox { height: 118px; width: 118px; } }
.cf-flip {
    position: relative; height: 100%; width: 100%; transform-style: preserve-3d;
    will-change: transform; transform: rotateX(0deg);
}
.cf-flip img {
    position: absolute; inset: 0; height: 100%; width: 100%; object-fit: contain;
    backface-visibility: hidden; -webkit-backface-visibility: hidden;
}
.cf-flip img.cf-tail { transform: rotateX(180deg); }
.cf-flip.spin-heads { animation: cf-coin-heads 1.9s cubic-bezier(0.25, 0.6, 0.3, 1) forwards; }
.cf-flip.spin-tails { animation: cf-coin-tails 1.9s cubic-bezier(0.25, 0.6, 0.3, 1) forwards; }
.cf-flip.lock-heads { transform: rotateX(0deg); }
.cf-flip.lock-tails { transform: rotateX(180deg); }
.cf-flip.trans { transition: transform 1.9s cubic-bezier(0.25, 0.6, 0.3, 1); }
.cf-flip.gold img { filter: drop-shadow(0 0 12px rgba(1, 224, 163, 0.55)); }
.cf-flip.bad img { filter: brightness(0.6) saturate(0.7); }

@keyframes cf-coin-heads { from { transform: rotateX(0); } to { transform: rotateX(2160deg); } }
@keyframes cf-coin-tails { from { transform: rotateX(0); } to { transform: rotateX(1980deg); } }
@media (prefers-reduced-motion: reduce) {
    @keyframes cf-coin-heads { from { transform: rotateX(0); } to { transform: rotateX(0); } }
    @keyframes cf-coin-tails { from { transform: rotateX(180deg); } to { transform: rotateX(180deg); } }
}

.cf-chips {
    display: flex; width: fit-content; margin: 0 auto; gap: 8px;
    border-radius: 26px; background: rgba(7, 5, 19, 0.8); padding: 8px;
}
.cf-chip {
    display: flex; min-width: 92px; flex-direction: column; align-items: center;
    border-radius: 22px; background: rgba(22, 25, 40, 0.9); padding: 8px 16px;
}
.cf-chip span:first-child { font-size: 11px; color: rgba(226, 238, 255, 0.55); }
.cf-chip span:last-child { font-size: 13px; font-weight: 700; color: rgba(226, 238, 255, 0.95); }

/* ---- provably fair accordion ---- */
.cf-fair { margin-top: 12px; border-radius: 14px; background: var(--rb-card-deep); }
.cf-fair-head { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 8px; border: none; background: transparent; padding: 12px 16px; text-align: left; cursor: pointer; font-family: inherit; }
.cf-fair-title { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; color: var(--rb-text); }
.cf-fair-title svg { color: var(--rb-gold); }
.cf-fair-chevron { color: var(--rb-text-faint); transition: transform 0.2s; }
.cf-fair-chevron.open { transform: rotate(180deg); }
.cf-fair-body { display: none; flex-direction: column; gap: 12px; border-top: 1px solid var(--rb-border); padding: 16px; }
.cf-fair-body.open { display: flex; }
.cf-fair-desc { margin: 0; font-size: 12px; line-height: 1.625; color: var(--rb-text-soft); }
.cf-fair-box { display: flex; flex-direction: column; gap: 4px; }
.cf-fair-boxlabel { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--rb-text-faint); }
.cf-fair-value { overflow-x: auto; word-break: break-all; border-radius: 6px; background: var(--rb-bg); padding: 6px 8px; font-size: 11px; color: var(--rb-text-soft); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.cf-fair-value.strong { font-family: inherit; font-weight: 600; }
.cf-fair-attach { display: flex; gap: 8px; }
.cf-fair-input { flex: 1; min-width: 0; height: 40px; border: none; border-radius: 8px; background: var(--rb-bg); padding: 0 12px; font-size: 12px; font-weight: 600; color: var(--rb-text); outline: none; font-family: inherit; }
.cf-fair-btn { display: flex; align-items: center; justify-content: center; gap: 6px; height: 40px; border-radius: 10px; border: 1px solid var(--rb-border); background: var(--rb-bg); color: var(--rb-text); font-size: 12px; font-weight: 900; text-transform: uppercase; cursor: pointer; transition: filter 0.15s; font-family: inherit; }
.cf-fair-btn:hover { filter: brightness(1.25); }
.cf-fair-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.cf-fair-btn.shrink { flex-shrink: 0; padding: 0 16px; }
.cf-fair-btn.full { width: 100%; }