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env(safe-area-inset-bottom,0px))!important}}@media(max-width:639px){.chat-container{position:fixed;top:0;right:0;bottom:0;left:0;z-index:350;background:var(--bg);display:flex;flex-direction:column}.chat-header-mobile{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--card-bg);border-bottom:1px solid var(--bd2);min-height:56px}.chat-input-bar input,.chat-input-bar textarea{font-size:16px!important}.chat-container~.bottom-nav,body:has(.chat-container) .bottom-nav{display:none!important}body:has(.chat-container){padding-bottom:0!important}}@media(min-width:640px){.chat-header-mobile{display:none}}.map-bottom-sheet{position:absolute;bottom:0;left:0;right:0;background:var(--card-bg);border-radius:16px 16px 0 0;max-height:60vh;min-height:80px;overflow-y:auto;box-shadow:0 -4px 20px #0000001a;padding:12px 16px;padding-bottom:calc(12px + env(safe-area-inset-bottom,0px));transition:transform .3s ease;z-index:200}.map-sheet-handle{width:36px;height:4px;border-radius:2px;background:var(--bd2);margin:0 auto 12px}.map-sheet-cards{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;padding-bottom:8px}.map-sheet-cards>*{min-width:260px;scroll-snap-align:start;flex-shrink:0}.lessons-sheet-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:500;background:#0000004d}.lessons-sheet{position:absolute;bottom:0;left:0;right:0;background:var(--card-bg);border-radius:16px 16px 0 0;max-height:70vh;overflow-y:auto;padding:16px}.lessons-sheet-handle{width:36px;height:4px;border-radius:2px;background:var(--bd2);margin:0 auto 12px}@media(max-width:639px){.player-content{padding:20px 16px}}@media(max-width:639px){.mobile-sticky-cta{position:fixed;bottom:calc(60px + env(safe-area-inset-bottom,0px));left:0;right:0;z-index:350;background:var(--card-bg);border-top:1px solid var(--bd2);padding:10px 16px;display:flex;gap:8px}.mobile-sticky-cta .btn{flex:1}.sos-fixed{position:fixed;bottom:calc(112px + env(safe-area-inset-bottom,0px));left:16px;right:16px;z-index:360}}