:root{--bg:#030303;--panel:#0c0c0c;--line:#272727;--text:#f5f5f5;--muted:#9a9a9a;--blue:#83adff;--green:#7bc69d;--red:#f08a8a;--violet:#b8a1ff}*{box-sizing:border-box}body{margin:0;min-height:100svh;background:var(--bg);color:var(--text);font-family:IBM Plex Sans,Noto Sans,Segoe UI,system-ui,sans-serif}button,input,select{font:inherit}button{border:0;cursor:pointer}.phone-shell{width:min(100vw,430px);min-height:100svh;margin:0 auto}.app{position:relative;min-height:100svh;overflow:hidden;background:var(--bg)}.app:before{display:none}.screen{position:relative;min-height:100svh;padding:calc(18px + env(safe-area-inset-top)) 16px calc(134px + env(safe-area-inset-bottom));overflow-y:auto}.screen>*{animation:screen-reveal .36s ease-out both}@keyframes screen-reveal{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.topbar{height:42px;display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;border-bottom:1px solid 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86%)}.compact-button{min-height:50px;margin-top:14px;font-size:16px}.section-gap,.setting-note{margin-top:22px}.hidden{display:none}.bottom-safe{height:0}.bottom-navigation{position:fixed;z-index:10;left:50%;bottom:max(12px,env(safe-area-inset-bottom));width:min(calc(100vw - 24px),406px);min-height:72px;padding:7px;display:grid;grid-template-columns:repeat(3,1fr);transform:translateX(-50%);border:1px solid rgba(255,255,255,.13);border-radius:24px;background:rgba(20,20,20,.76);box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 16px 34px rgba(0,0,0,.4);-webkit-backdrop-filter:blur(20px) saturate(1.1);backdrop-filter:blur(20px) saturate(1.1)}.nav-item{min-width:0;min-height:56px;display:grid;place-items:center;grid-gap:4px;gap:4px;color:#898989;background:transparent;border:1px solid transparent;border-radius:18px;font-size:10px;line-height:1}.nav-item.active{color:#fff;background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.12);box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}.ui-icon{width:20px;height:20px;display:block;flex:0 0 auto}.subject-icon .ui-icon{width:34px;height:34px}.nav-item .ui-icon{width:19px;height:19px}