.mode-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
body .mode-intro-help{display:inline-flex;align-items:center;gap:7px;min-height:36px;padding:7px 12px;border:1px solid #39392e;border-radius:9px;background:#22221d;color:#cecec3;font:inherit;font-size:12px;cursor:pointer;white-space:nowrap}
.mode-intro-help::before{content:'?';display:grid;place-items:center;width:17px;height:17px;border:1px solid #747466;border-radius:50%;font-size:11px}
.mode-intro{padding:0;border:1px solid #3d3d32;border-radius:18px;background:#171715;color:#f5f5ef;width:min(860px,calc(100vw - 24px));max-width:none;max-height:calc(100dvh - 24px);overflow:auto;box-shadow:0 32px 100px #0009;font-family:var(--gb-font,"Segoe UI",sans-serif)}
.mode-intro::backdrop{background:#000b;backdrop-filter:blur(8px)}
/* Page resets must not replace native dialog centering with margin: 0. */
body dialog.mode-intro{position:fixed;inset:0;margin:auto;box-sizing:border-box;overscroll-behavior:contain}
.mode-intro__shell{display:grid;grid-template-columns:300px minmax(0,1fr)}
.mode-intro__art{position:relative;isolation:isolate;display:flex;flex-direction:column;justify-content:space-between;padding:30px;min-height:100%;overflow:hidden;background:#181c0e}
.mode-intro__art::before{content:'';position:absolute;inset:0;z-index:-2;background:var(--mode-intro-art,url('/img/case-hero-lime.png')) center/cover no-repeat;filter:hue-rotate(var(--brand-art-hue,0deg)) saturate(var(--brand-art-saturation,1))}
.mode-intro[data-mode="case"]{--mode-intro-art:url('/img/mode-intros/case-v2.webp')}
.mode-intro[data-mode="case"] .mode-intro__art::before{background-position:center center;background-size:cover}
.mode-intro[data-mode="upgrade"]{--mode-intro-art:url('/img/mode-intros/upgrade.webp')}
.mode-intro[data-mode="crash"]{--mode-intro-art:url('/img/mode-intros/crash.webp')}
.mode-intro[data-mode="double"]{--mode-intro-art:url('/img/mode-intros/double.webp')}
.mode-intro[data-mode="jackpot"]{--mode-intro-art:url('/img/mode-intros/jackpot.webp')}
.mode-intro[data-mode="race"]{--mode-intro-art:url('/img/mode-intros/race.webp')}
.mode-intro[data-mode="slot"]{--mode-intro-art:url('/img/mode-intros/slot.webp')}
body.upgrade-page .mode-intro{--mode-intro-art:url('/img/mode-intros/upgrade.webp')}
body.crash-page .mode-intro{--mode-intro-art:url('/img/mode-intros/crash.webp')}
body.double-page .mode-intro{--mode-intro-art:url('/img/mode-intros/double.webp')}
body.jackpot-page .mode-intro{--mode-intro-art:url('/img/mode-intros/jackpot.webp')}
body.case-race-page .mode-intro{--mode-intro-art:url('/img/mode-intros/race.webp')}
body.slot-game-page .mode-intro{--mode-intro-art:url('/img/mode-intros/slot.webp')}
.mode-intro__art::after{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,#0007,transparent 35%,#000d)}
.mode-intro__brand{font-size:25px;font-weight:900;letter-spacing:-1px}.mode-intro__brand strong{color:var(--gb-accent)}
.mode-intro__art-caption{font-size:24px;line-height:1.25;font-weight:800;max-width:230px}
.mode-intro__body{position:relative;padding:30px 32px}
.mode-intro__eyebrow{font-size:10px;line-height:1.4;letter-spacing:1.5px;text-transform:uppercase;color:var(--gb-accent);margin:0 38px 9px 0;font-weight:700}
body .mode-intro__title{font-size:29px;line-height:1.15;letter-spacing:-.7px;margin:0 20px 12px 0}
.mode-intro__summary{font-size:13px;line-height:1.6;color:#aeaea2;margin:0 0 20px}
.mode-intro__steps{display:grid;gap:16px;list-style:none;padding:0;margin:0 0 20px}
.mode-intro__step{display:grid;grid-template-columns:32px minmax(0,1fr);gap:12px;align-items:start}
.mode-intro__number{display:grid;place-items:center;width:30px;height:30px;border:1px solid color-mix(in srgb,var(--gb-accent) 20%,#303027);border-radius:9px;background:color-mix(in srgb,var(--gb-accent) 7%,#22221d);color:var(--gb-accent);font-size:11px;font-weight:800}
body .mode-intro__step h3{font-size:14px;line-height:1.4;margin:0 0 4px}.mode-intro__step p{font-size:12px;line-height:1.55;color:#a9a99e;margin:0}
.mode-intro__risk{padding:12px 14px;margin:0 0 18px;border:1px solid #434032;border-radius:10px;background:#25231b;color:#cbc4a6;font-size:12px;line-height:1.55}
.mode-intro__remember{display:flex;align-items:center;gap:9px;color:#aaa99e;font-size:12px;line-height:1.4;cursor:pointer;margin-bottom:14px}
.mode-intro__remember input{accent-color:var(--gb-accent);width:16px;height:16px;margin:0;flex:none}
body .mode-intro__continue{display:block;width:100%;min-height:48px;border:0;border-radius:11px;background:var(--gb-accent);color:var(--brand-on-accent,#111110);font:inherit;font-size:14px;font-weight:800;padding:12px 18px;cursor:pointer;box-shadow:none}
body .mode-intro__close{position:absolute;right:14px;top:14px;display:grid;place-items:center;width:32px;height:32px;padding:0;border:1px solid #36362d;border-radius:9px;background:#22221d;color:#b8b8ac;font:inherit;font-size:24px;cursor:pointer}
.mode-intro :is(button,input):focus-visible,.mode-intro-help:focus-visible{outline:2px solid var(--gb-accent);outline-offset:3px}
.mode-intro .motion-ripple{display:none}
.mode-intro__body{overflow-wrap:anywhere}
body .mode-intro__close{position:absolute!important;inset:14px 14px auto auto!important;min-width:36px;min-height:36px}
@media(max-width:680px){.mode-intro__shell{grid-template-columns:minmax(0,1fr)}.mode-intro__art{min-height:95px;padding:18px 22px;flex-direction:row;align-items:center;gap:14px}.mode-intro__art::before{background-size:100% auto;background-position:center 54%}.mode-intro__art-caption{font-size:14px;max-width:135px;text-align:right}.mode-intro__brand{font-size:22px}.mode-intro__body{padding:23px 22px}.mode-intro__eyebrow{padding-right:16px}body .mode-intro__title{font-size:25px}.mode-intro__steps{gap:14px}.mode-intro__summary{margin-bottom:18px}.mode-intro__risk{margin-bottom:14px}.mode-heading{gap:10px}body .mode-intro-help{min-height:40px}}