@font-face{font-family:Karla;font-style:normal;font-display:swap;font-weight:400;src:url(/flip-a-coin/assets/karla-latin-400-normal-C_jajTY_.woff2) format("woff2"),url(/flip-a-coin/assets/karla-latin-400-normal-iWRxgclR.woff) format("woff")}@font-face{font-family:Karla;font-style:normal;font-display:swap;font-weight:600;src:url(/flip-a-coin/assets/karla-latin-600-normal-BH_u9dis.woff2) format("woff2"),url(/flip-a-coin/assets/karla-latin-600-normal-BAoyHYuk.woff) format("woff")}@font-face{font-family:Karla;font-style:normal;font-display:swap;font-weight:700;src:url(/flip-a-coin/assets/karla-latin-700-normal-DFuMffT3.woff2) format("woff2"),url(/flip-a-coin/assets/karla-latin-700-normal-CospC10L.woff) format("woff")}@font-face{font-family:Space Grotesk;font-style:normal;font-display:swap;font-weight:700;src:url(/flip-a-coin/assets/space-grotesk-latin-700-normal-RjhwGPKo.woff2) format("woff2"),url(/flip-a-coin/assets/space-grotesk-latin-700-normal-CwsQ-cCU.woff) format("woff")}:root{--ink: #182E29;--ink-soft: #3E554F;--gold: #DAA520;--gold-deep: #B8860B;--gold-shadow: #8B6508;--cream: #FBF3E3;--teal: #3D7A8C;--danger: #A6341F;--line: rgba(24, 46, 41, .16);--display: "Space Grotesk", system-ui, sans-serif;--body: "Karla", system-ui, "Segoe UI", "Noto Sans Arabic", Tahoma, sans-serif;--edge: max(20px, env(safe-area-inset-left), env(safe-area-inset-right));--tabbar: calc(64px + env(safe-area-inset-bottom, 0px)) }*,*:before,*:after{box-sizing:border-box}html{background:#f6f5f1;-webkit-text-size-adjust:100%;text-size-adjust:100%}body{margin:0;min-height:100dvh;font:400 17px/1.5 var(--body);color:var(--ink);background:radial-gradient(ellipse at top,#fff,#f6f5f1 60%,#edebe3);touch-action:manipulation;-webkit-tap-highlight-color:transparent}@media (max-width: 899px){html.panel-open,html.panel-open body{overflow:hidden}}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.marquee{inline-size:100%;block-size:8px;background:repeating-linear-gradient(90deg,var(--gold) 0,var(--gold) 14px,var(--gold-deep) 14px,var(--gold-deep) 16px)}.header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:18px 6px;padding-inline:var(--edge)}.title-wrap{flex:1;min-inline-size:0}.title{margin:0;font:700 30px/1.1 var(--display);letter-spacing:.02em;text-transform:uppercase}.title .fit{text-align:start}.header-actions{display:flex;align-items:center;gap:8px;flex:none}.desktop-actions{display:none;align-items:center;gap:8px}.btn{min-block-size:44px;padding-inline:18px;border:1.5px solid var(--ink);border-radius:999px;background:#fff;color:var(--ink);font:600 16px/1 var(--body);cursor:pointer}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.danger{border-color:var(--danger);color:var(--danger)}.btn.ghost{display:inline-flex;align-items:center;gap:6px;min-block-size:38px;padding-inline:12px;border:1px solid rgba(24,46,41,.18);border-radius:10px;background:transparent;font:700 13px/1 var(--body)}.btn.ghost:hover{background:#182e290f}.icon-btn{display:inline-flex;align-items:center;justify-content:center;inline-size:38px;block-size:38px;border:1px solid rgba(24,46,41,.15);border-radius:10px;background:#182e2914;color:var(--ink);cursor:pointer}.icon-btn:active{transform:scale(.94)}.icon-btn[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:var(--cream)}.lang{min-block-size:38px;padding-inline:10px;border:1px solid rgba(24,46,41,.15);border-radius:10px;background:#182e290f;color:var(--ink);font:600 13px/1 var(--body);cursor:pointer}.app-menu{position:relative}.app-menu-dropdown{position:absolute;inset-block-start:calc(100% + 6px);inset-inline-end:0;z-index:1200;display:flex;flex-direction:column;gap:2px;min-inline-size:190px;max-inline-size:calc(100vw - 24px);padding:6px;border:1px solid rgba(24,46,41,.15);border-radius:10px;background:#fff;box-shadow:0 10px 24px #00000059}.sidebar-item{display:flex;align-items:center;gap:10px;inline-size:100%;padding:10px 12px;border:0;border-radius:8px;background:transparent;color:var(--ink-soft);font:600 14px/1.3 var(--body);text-align:start;cursor:pointer}.sidebar-item:hover{background:#182e290f}.sidebar-item.active{background:var(--gold);color:#201200}.app-menu-divider{margin-block:4px;border-block-start:1px dashed rgba(24,46,41,.2)}.app-menu-section-label{padding:6px 12px 2px;color:var(--ink-soft);font:700 12px/1.2 var(--body)}.layout{display:flex;flex-direction:column;gap:18px;padding:10px var(--edge) calc(80px + env(safe-area-inset-bottom,0px))}.stage{display:flex;flex-direction:column;align-items:center;min-inline-size:0;text-align:center}.notice{max-inline-size:34rem;margin:4px auto 0;padding:10px 14px;border:1px solid #E8C766;border-radius:12px;background:#fff6dd;color:#5a4300;font-size:15px;text-align:start}.side{position:fixed;inset:0 0 var(--tabbar) 0;z-index:1000;padding:16px;overflow-y:auto;overscroll-behavior:contain;background:#fff;transform:translate(100%);visibility:hidden;transition:transform .28s ease,visibility 0s linear .28s}.side.mobile-open{transform:none;visibility:visible;transition:transform .28s ease}[dir=rtl] .side{transform:translate(-100%)}[dir=rtl] .side.mobile-open{transform:none}.side-toggle,.side-tabs{display:none}.side-clip,.side-card{display:block}.mobile-panel-header{display:flex;align-items:center;justify-content:space-between;margin-block-end:14px}.mobile-panel-title{font:700 20px/1.2 var(--display)}.mobile-panel-close{display:flex;align-items:center;gap:6px;padding:8px 14px;border:0;border-radius:999px;background:var(--gold);color:#201200;font:700 13px/1 var(--body);cursor:pointer}.mobile-panel-close:active{transform:scale(.96)}.mobile-tab-bar{position:fixed;inset-inline:0;inset-block-end:0;z-index:1002;display:flex;padding:6px 4px calc(6px + env(safe-area-inset-bottom,0px));border-block-start:1px solid rgba(24,46,41,.14);background:#fff}.mobile-tab-item{position:relative;flex:1 1 0;display:flex;flex-direction:column;align-items:center;gap:3px;min-block-size:48px;padding:6px 2px;border:0;background:transparent;color:var(--ink-soft);font:600 11px/1.2 var(--body);cursor:pointer}.mobile-tab-item.active{color:var(--gold-shadow)}.mobile-tab-item.active:before{content:"";position:absolute;inset-block-start:-7px;inset-inline:22%;block-size:3px;border-radius:0 0 3px 3px;background:var(--gold)}@media (min-width: 900px){.title{font-size:58px}.desktop-actions{display:flex}.app-menu{display:none}.layout{flex-direction:row;align-items:flex-start;padding-block-end:40px}.stage{flex:1 1 auto}.side{position:sticky;inset:auto;inset-block-start:18px;z-index:auto;flex:none;inline-size:380px;padding:0;overflow:visible;background:transparent;transform:none;visibility:visible;transition:none}[dir=rtl] .side{transform:none}.side.desktop-collapsed{inline-size:0}.side.desktop-collapsed .side-clip{display:none}.side-toggle{position:absolute;inset-block-start:40px;inset-inline-start:-33px;z-index:2;display:flex;align-items:center;justify-content:center;inline-size:33px;block-size:66px;padding:0;border:1px solid rgba(24,46,41,.14);border-inline-end:0;border-start-start-radius:12px;border-end-start-radius:12px;background:#fff;color:var(--ink);cursor:pointer}.side-toggle:hover{background:#f6f5f1}.side-toggle.collapsed svg{transform:rotate(180deg)}[dir=rtl] .side-toggle svg{transform:scaleX(-1)}[dir=rtl] .side-toggle.collapsed svg{transform:scaleX(-1) rotate(180deg)}.side-card{inline-size:380px;max-block-size:calc(100dvh - 36px);padding:16px;overflow-y:auto;border:1px solid rgba(24,46,41,.14);border-radius:16px;background:#fff;box-shadow:0 4px 18px #182e2914}.side-tabs{display:flex;flex-wrap:wrap;gap:8px;padding-block-end:14px;margin-block-end:14px;border-block-end:1px dashed rgba(24,46,41,.2)}.pill{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid rgba(24,46,41,.18);border-radius:999px;background:transparent;color:var(--ink-soft);font:700 13px/1 var(--body);cursor:pointer}.pill:hover{background:#182e290f}.pill.active{border-color:var(--gold);background:var(--gold);color:#201200}.mobile-panel-header,.mobile-tab-bar{display:none}}.coin-stage{--coin: clamp(176px, min(60vw, 36dvh), 330px);position:relative;inline-size:var(--coin);block-size:var(--coin);margin:calc(var(--coin) * .37) auto 14px;perspective:1100px}.coin-hop{position:absolute;top:0;right:0;bottom:0;left:0;transform-style:preserve-3d}.coin{position:absolute;top:0;right:0;bottom:0;left:0;transform-style:preserve-3d;transform:rotateX(0)}.coin-shadow{position:absolute;left:12%;right:12%;bottom:-7%;block-size:13%;border-radius:50%;background:radial-gradient(ellipse at center,#182e2980,#182e2900 70%);opacity:.38}.face{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;border-radius:50%;backface-visibility:hidden;-webkit-backface-visibility:hidden;box-shadow:inset 0 0 0 3px #ffffff38,inset 0 -6px 14px #0000002e,0 1px #0003}.face-heads{color:var(--ink);background:radial-gradient(circle at 30% 24%,#f7dc82,#daa520 46%,#b07f0e)}.face-tails{color:var(--cream);background:radial-gradient(circle at 30% 24%,#74adbd,#3d7a8c,#28535f);transform:rotateX(180deg)}.face:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;background:repeating-conic-gradient(rgba(0,0,0,.24) 0deg 2.2deg,transparent 2.2deg 4.4deg);-webkit-mask:radial-gradient(farthest-side,transparent 91%,#000 92%);mask:radial-gradient(farthest-side,transparent 91%,#000 92%)}.face:after{content:"";position:absolute;top:11%;right:11%;bottom:11%;left:11%;border-radius:50%;border:2px solid rgba(24,46,41,.28)}.face-tails:after{border-color:#fbf3e373}.face-label{position:relative;z-index:1;inline-size:68%;font:700 calc(var(--coin) * .15)/1.08 var(--display);text-transform:uppercase}.fit{display:block;max-inline-size:100%;overflow:hidden;line-height:1.08;text-align:center;overflow-wrap:normal;word-break:normal;-webkit-hyphens:none;hyphens:none}.fit.one-line{white-space:nowrap;text-overflow:ellipsis;max-block-size:1.3em}.fit.two-line{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;max-block-size:2.3em}.fit.measuring{display:block;-webkit-line-clamp:unset;line-clamp:unset}.result{display:grid;place-items:center;inline-size:100%;block-size:calc(clamp(28px,7vw,44px)*2.3);margin-block-end:14px}.result-label{inline-size:100%;max-inline-size:34rem;font:700 clamp(28px,7vw,44px)/1.08 var(--display);text-transform:uppercase}.result-note{margin:0;color:var(--ink-soft);font-size:17px}.flip{display:block;min-inline-size:min(78%,260px);min-block-size:60px;padding-inline:36px;border:0;border-radius:999px;background:linear-gradient(180deg,var(--gold),var(--gold-deep));color:var(--ink);font:700 24px/1 var(--display);letter-spacing:.08em;text-transform:uppercase;cursor:pointer;box-shadow:0 3px 0 var(--gold-shadow),0 10px 16px #00000047}.flip:hover{filter:brightness(1.04)}.flip:active{transform:translateY(2px);box-shadow:0 1px 0 var(--gold-shadow),0 5px 10px #00000047}.flip:disabled{opacity:.5;cursor:not-allowed}.hint{margin:12px 0 0;color:var(--ink-soft);font-size:15px}.quickstats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;inline-size:min(100%,28rem);margin:22px auto 0;padding-block:12px;border-block:1px solid var(--line)}.quickstats dt{overflow:hidden;color:var(--ink-soft);font-size:14px;text-overflow:ellipsis;white-space:nowrap}.quickstats dd{margin:0;font:700 22px/1.2 var(--display);font-variant-numeric:tabular-nums}.panel{inline-size:min(100%,34rem);margin:18px auto 0;border-block:1px solid var(--line);text-align:start}.panel summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:16px;list-style:none;cursor:pointer;font:700 18px/1.2 var(--display)}.panel summary::-webkit-details-marker{display:none}.panel summary:after{content:"";flex:none;inline-size:10px;block-size:10px;margin-inline-end:4px;border-right:2.5px solid currentColor;border-bottom:2.5px solid currentColor;transform:rotate(45deg);transition:transform .15s}.panel[open] summary:after{transform:rotate(-135deg)}.panel-body{display:grid;gap:14px}.panel>.panel-body{padding-block-end:20px}.fairness{max-inline-size:34rem;margin:22px auto 0;color:var(--ink-soft);font-size:14.5px}.field{display:grid;gap:6px}.field>span{font-size:15px;font-weight:600}input[type=text],.field select{inline-size:100%;min-block-size:46px;padding:10px 14px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);font:inherit}::placeholder{color:#5f716c;opacity:1}.help{margin:0;color:var(--ink-soft);font-size:14.5px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px 18px;margin:0}.stat-grid dt{color:var(--ink-soft);font-size:14px}.stat-grid dd{margin:0;font:700 20px/1.25 var(--display);font-variant-numeric:tabular-nums}.history{margin:0;padding:0;list-style:none;border:1px solid var(--line);border-radius:12px;background:#fff}.history li{display:grid;grid-template-columns:3.2rem 1fr auto;gap:10px;padding:8px 14px;border-block-end:1px solid rgba(24,46,41,.08);font-size:15px}.history li:last-child{border-block-end:0}.h-n,.h-time{color:var(--ink-soft);font-variant-numeric:tabular-nums}.h-label{overflow:hidden;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.actions{display:flex;flex-wrap:wrap;gap:10px}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:2000;display:grid;place-items:center;padding:20px;background:#182e2973}.dialog-card{inline-size:100%;max-inline-size:420px;padding:24px;border-radius:16px;background:#fff;box-shadow:0 20px 40px #0000004d;text-align:start}.dialog-message{margin:0 0 20px;font-size:16px;line-height:1.5}.dialog-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}.flip:focus-visible,.btn:focus-visible,.icon-btn:focus-visible,.lang:focus-visible,.pill:focus-visible,.sidebar-item:focus-visible,.mobile-tab-item:focus-visible,.mobile-panel-close:focus-visible,.side-toggle:focus-visible,.panel summary:focus-visible{outline:3px solid var(--ink);outline-offset:3px}input:focus-visible,.field select:focus-visible{outline:3px solid var(--gold);outline-offset:1px}@media (prefers-reduced-motion: reduce){.panel summary:after{transition:none}.side,.side.mobile-open{transition:none}}