:root{color-scheme:light;font-family:Roboto,Noto Sans Bengali,system-ui,sans-serif;background:var(--m3-background);color:var(--m3-onBackground)}.theme-dark{color-scheme:dark}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--m3-background);color:var(--m3-onBackground)}a{color:inherit;text-decoration:none}button{font:inherit}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--m3-surfaceContainerLow);border-right:1px solid var(--m3-outlineVariant);padding:24px 16px;display:flex;flex-direction:column;gap:16px}.nav-item{display:flex;gap:12px;align-items:center;padding:10px 12px;border-radius:12px;color:var(--m3-onSurfaceVariant)}.nav-item.active{background:var(--m3-primaryContainer);color:var(--m3-onPrimaryContainer)}.main{padding:24px 32px;background:radial-gradient(circle at 10% 0%,rgba(79,70,229,.08),transparent 45%),linear-gradient(180deg,var(--m3-surfaceContainerLowest),var(--m3-background))}.top-bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.card{background:var(--m3-surface);border:1px solid var(--m3-outlineVariant);border-radius:16px;padding:16px;box-shadow:0 8px 24px #0f172a14}.card+.card{margin-top:16px}.input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--m3-outlineVariant);background:var(--m3-surface);color:var(--m3-onSurface)}.button{padding:10px 16px;border-radius:12px;border:none;background:var(--m3-primary);color:var(--m3-onPrimary);cursor:pointer;font-weight:600}.button.secondary{background:var(--m3-secondaryContainer);color:var(--m3-onSecondaryContainer)}.button.outline{background:transparent;border:1px solid var(--m3-outline);color:var(--m3-onSurface)}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{padding:6px 12px;border-radius:999px;background:var(--m3-surfaceVariant);color:var(--m3-onSurfaceVariant);font-size:13px}.prompt-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.drawer{position:fixed;right:24px;top:80px;width:320px;max-width:90vw;background:var(--m3-surface);border:1px solid var(--m3-outlineVariant);border-radius:16px;padding:16px;box-shadow:0 12px 32px #0f172a33}.hero{display:grid;gap:16px;max-width:720px}@media (max-width: 960px){.app-shell{grid-template-columns:1fr}.sidebar{flex-direction:row;overflow-x:auto}}