:root{--ink:#10231d;--muted:#5f706a;--line:#dce6e1;--paper:#f4f7f5;--card:#fff;--green:#087a55;--navy:#102d32}*{box-sizing:border-box}body{background:var(--paper)!important;color:var(--ink)!important}a,button{touch-action:manipulation}.app-topbar{background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.app-brand{letter-spacing:-.025em}.app-card{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:0 8px 28px rgba(16,45,50,.055)}.dark{--ink:#eef7f2;--muted:#a8bab2;--line:#30453e;--paper:#0e1b18;--card:#14241f;--navy:#ecf8f3}.dark .app-topbar{background:rgba(20,36,31,.94)}@media(max-width:639px){.app-card{border-radius:16px}button,a{min-height:44px}}