/* ============================================================ NOVA widget — standalone CSS (no Tailwind, no framework) All classes are namespaced with `nova-`. Two themes, scoped by ancestor: .nova-root -> DARK chat bar (matches hero screenshot) .nova-overlay -> LIGHT frosted popup (LTTS-style) NOTE: the popup is appended to , OUTSIDE .nova-root, so popup rules are self-contained (no shared variables). ============================================================ */ .nova-root, .nova-root *, .nova-overlay, .nova-overlay * { box-sizing: border-box; } /* ============================================================ DARK CHAT BAR (hero) — scoped to .nova-root ============================================================ */ .nova-root { --nova-cyan: #22d3ee; --nova-blue: #3b82f6; --nova-fuchsia: #d946ef; --nova-ease: cubic-bezier(.22,1,.36,1); color: #e7e9ef; font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif; } .nova-inline { width: 100%; max-width: 44vw; min-width: 680px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; } .nova-root .nova-bar { width: 100%; position: relative; border-radius: 20px; background: #000; padding: 20px 20px; border: 0; } .nova-root .nova-bar--bare { border-radius: 20px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); } /* animated glow ring around the hero bar */ /* .nova-root .nova-bar.nova-glow::before { content: ""; position: absolute; inset: -3px; border-radius: 30px; background: linear-gradient(120deg, var(--nova-cyan), var(--nova-blue), #a855f7, var(--nova-fuchsia), var(--nova-cyan)); background-size: 300% 300%; filter: blur(12px) saturate(1.2); opacity: .85; z-index: 0; animation: nova-glow 6s linear infinite; } @keyframes nova-glow { 0% { background-position: 0% 50%; } 100% { background-position: 300% 50%; } } */ @property --angle { syntax: ""; initial-value: 0deg; inherits: false; } .nova-root .nova-bar.nova-glow::before, .nova-root .nova-bar.nova-glow::after { content: ""; position: absolute; border-radius: inherit; background: conic-gradient( from var(--angle), #000000, #3b82f6, #000000, #d946ef, #000000 ); animation: spin 5s linear infinite; pointer-events: none; pointer-events: none; top: -1px !important; right: -1px !important; bottom: -1px !important; left: -1px !important; } .nova-root .nova-bar.nova-glow::after { inset: 0; padding: 2px; -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; } .nova-root .nova-bar.nova-glow::before { inset: -5px; filter: blur(10px); opacity: 1; z-index: -1; } @keyframes spin { to { --angle: 360deg; } } @media (prefers-reduced-motion: reduce) { .nova-root .nova-bar.nova-glow::before, .nova-root .nova-bar.nova-glow::after { animation: none; } } .nova-root .nova-bar > .nova-bar-inner { position: relative; z-index: 1; } .nova-bar-top { display: flex; align-items: center; gap: 12px;padding: 5px 0 15px; } .nova-root .nova-spark { flex: 0 0 auto; color: var(--nova-cyan); display: grid; place-items: center; } .nova-input { min-width: 0; flex: 1 1 auto; background: transparent; border: 0; outline: none; font-size: 15px; } .nova-root .nova-input { color: #f1f5f9; } .nova-root .nova-input::placeholder { color: #aeb4bf; } .nova-bar-actions { margin-top: 20px; display: flex; align-items: center; gap: 10px; } .nova-bar-actions > div:not(.nova-chips) { margin-left: auto; } .nova-iconbtn { flex: 0 0 auto; display: grid; place-items: center; height: 36px; width: 36px; border-radius: 100px; cursor: pointer; transition: border-color .2s, color .2s, background .2s; } .nova-root .nova-iconbtn { border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.05); color: #c7ccd6; } .nova-root .nova-iconbtn:hover { border-color: rgba(255,255,255,.28); color: #fff; background: rgba(255,255,255,.10); } .nova-mic { height: 40px; width: 40px; } .nova-root .nova-mic.is-live { border-color: rgba(34,211,238,.5); background: rgba(34,211,238,.15); color: #a5f3fc; } /* microphone OFF / disabled by default (text chat is the default mode) */ .nova-mic.is-off { opacity: .5; } .nova-mic.is-off:hover { opacity: 1; } /* still clickable to enable voice */ .nova-send { height: 44px; width: 44px; border: 0; color: #fff; cursor: pointer; display: grid; place-items: center; border-radius: 100px; } .nova-root .nova-send { background: linear-gradient(135deg, #4f46e5, #7c3aed, #d946ef); box-shadow: 0 8px 26px rgba(124,58,237,.45); } .nova-root .nova-send:hover { filter: brightness(1.08); } .nova-chips { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; overflow: visible; min-width: 266px; } .nova-chip { white-space: nowrap; border-radius: 100px; padding: 8px 18px; font-size: 13px; cursor: pointer; line-height: 20px; transition: border-color .2s, color .2s, background .2s; font-weight: 300; } .nova-root .nova-chip { background: #353535; color: #ffffff; border: 0; } .nova-root .nova-chip:hover { border-color: rgba(34,211,238,.5); color: #fff; background: rgba(255,255,255,.10); } .nova-spacer { margin-left: auto; } .nova-examples { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; } .nova-example { border-radius: 100px; padding: 8px 16px; font-size: 14px; cursor: pointer; transition: border-color .2s, background .2s, color .2s; } .nova-root .nova-example { border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.04); color: #c7ccd6; } .nova-root .nova-example:hover { border-color: rgba(34,211,238,.45); background: rgba(255,255,255,.08); color: #fff; } /* ============================================================ LIGHT FROSTED POPUP (LTTS-style) — scoped to .nova-overlay Opens by growing height 0 -> full + opacity 0 -> 1 over 1s. ============================================================ */ .nova-overlay { position: fixed; inset: 0; z-index: 99999; display: block; background: transparent; color: #112868; font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif; } /* the frosted panel that curtains down from the top */ .nova-shutter { position: absolute; top: 0; left: 0; width: 100%; height: 0; opacity: 0; visibility: hidden; overflow: hidden; background: rgba(255,255,255,.85); -webkit-backdrop-filter: blur(31px); backdrop-filter: blur(31px); border-bottom: 1px solid #fff; box-shadow: rgba(0,0,0,.15) 0 8px 32px, rgba(0,0,0,.05) 0 2px 8px; /* the LTTS animation */ transition: height 1s ease-in-out, opacity 1s ease-in-out, visibility 1s ease-in-out; } .nova-overlay.is-open .nova-shutter { height: 100dvh; opacity: 1; visibility: visible; } /* LTTS brand accent line along the top edge */ .nova-shutter-edge { pointer-events: none; position: absolute; top: 0; left: 0; right: 0; height: 3px; z-index: 2; background: linear-gradient(to right, #084cc8 0, #75c044 50%, #fed314 100%); } .nova-overlay .nova-dialog { position: relative; margin: 0 auto; display: flex; height: 100%; width: 100%; max-width: 860px; flex-direction: column; } /* empty popup (no chat history): keep popup full-screen, but center the input. Header stays at top; the input bar floats to the vertical middle. */ .nova-overlay .nova-dialog.is-empty .nova-messages { display: none; } .nova-overlay .nova-dialog.is-empty .nova-voicebar { display: none !important; } .nova-overlay .nova-dialog.is-empty .nova-foot { position: absolute; top: 50%; left: 0; right: 0; transform: translateY(-50%); border-top: 0; display: flex; justify-content: center; } .nova-overlay .nova-dialog.is-empty .nova-foot .nova-bar { max-width: 640px; width: 100%; } /* popup header */ .nova-overlay .nova-head { display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(17,40,104,.14); padding: 18px 24px; } .nova-head-id { display: flex; align-items: center; gap: 12px; } .nova-overlay .nova-logo { display: block; height: 32px; width: auto; max-width: 150px; } .nova-overlay .nova-badge { display: grid; place-items: center; height: 36px; width: 36px; border-radius: 100px; color: #fff; background: linear-gradient(135deg, #084cc8, #22d3ee); } .nova-overlay .nova-head-title { font-size: 14px; font-weight: 600; color: #112868; margin: 0; } .nova-overlay .nova-head-sub { font-size: 12px; color: #5b6b8c; margin: 0; } .nova-head-actions { display: flex; align-items: center; gap: 8px; } .nova-overlay .nova-pillbtn { border-radius: 100px; border: 1px solid rgba(17,40,104,.18); background: rgba(17,40,104,.04); color: #3a4a6b; padding: 6px 14px; font-size: 12px; font-weight: 500; cursor: pointer; transition: border-color .2s, color .2s, background .2s; } .nova-overlay .nova-pillbtn:hover { border-color: rgba(17,40,104,.35); color: #112868; background: rgba(17,40,104,.08); } .nova-overlay .nova-iconbtn { border: 1px solid rgba(17,40,104,.18); background: rgba(17,40,104,.04); color: #3a4a6b; } .nova-overlay .nova-iconbtn:hover { border-color: rgba(17,40,104,.35); color: #112868; background: rgba(17,40,104,.08); } /* messages area */ .nova-overlay .nova-messages { min-height: 0; flex: 1 1 auto; overflow-y: auto; padding: 24px; display: flex; flex-direction: column; gap: 20px; background: transparent; } .nova-row { display: flex; } .nova-row.user { justify-content: flex-end; } .nova-row.assistant { justify-content: flex-start; } .nova-bubble { border-radius: 20px; padding: 12px 16px; font-size: 15px; line-height: 1.6; animation: nova-rise .35s cubic-bezier(.22,1,.36,1) both; } .nova-overlay .nova-bubble.user { max-width: 85%; border-bottom-right-radius: 6px; background: linear-gradient(135deg, #084cc8, #3b82f6); color: #fff; box-shadow: 0 8px 24px rgba(8,76,200,.22); } .nova-overlay .nova-bubble.assistant { max-width: 92%; border-bottom-left-radius: 6px; border: 1px solid rgba(17,40,104,.12); background: rgba(255,255,255,.70); color: #112868; } @keyframes nova-rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } } .nova-overlay .nova-bubble.assistant p { margin: 0 0 8px; } .nova-overlay .nova-bubble.assistant p:last-child { margin-bottom: 0; } .nova-overlay .nova-bubble.assistant a { color: #084cc8; } .nova-overlay .nova-bubble.assistant ul { margin: 6px 0; padding-left: 20px; } /* error banner */ .nova-overlay .nova-error { border-radius: 20px; border: 1px solid rgba(244,63,94,.25); background: rgba(244,63,94,.08); color: #b91c1c; padding: 12px 16px; font-size: 14px; line-height: 1.5; } /* CTA link under an assistant answer */ .nova-overlay .nova-cta { display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; border-radius: 100px; border: 1px solid rgba(8,76,200,.35); background: rgba(8,76,200,.08); color: #084cc8; padding: 6px 14px; font-size: 13px; text-decoration: none; } .nova-overlay .nova-cta:hover { background: rgba(8,76,200,.15); } /* typing dots */ .nova-typing { display: inline-flex; align-items: center; gap: 6px; } .nova-dot { height: 8px; width: 8px; border-radius: 999px; animation: nova-bounce .9s infinite ease-in-out; } .nova-overlay .nova-dot { background: #084cc8; } .nova-dot:nth-child(2) { animation-delay: .15s; } .nova-dot:nth-child(3) { animation-delay: .3s; } @keyframes nova-bounce { 0%, 100% { transform: translateY(0); opacity: .4; } 50% { transform: translateY(-4px); opacity: 1; } } /* live voice transcript strip */ .nova-overlay .nova-voicebar { margin: 0 24px; display: flex; align-items: center; justify-content: space-between; border-radius: 16px; border: 1px solid rgba(17,40,104,.14); background: rgba(255,255,255,.55); padding: 10px 16px; font-size: 12px; color: #5b6b8c; } .nova-voicebar .nova-transcript { display: flex; align-items: center; gap: 8px; min-width: 0; } .nova-transcript span.txt { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } .nova-pulse { height: 8px; width: 8px; border-radius: 999px; } .nova-overlay .nova-pulse { background: #084cc8; box-shadow: 0 0 0 0 rgba(8,76,200,.5); } .nova-pulse.active { animation: nova-ping 1.2s infinite; } @keyframes nova-ping { 0% { box-shadow: 0 0 0 0 rgba(8,76,200,.5); } 70% { box-shadow: 0 0 0 10px rgba(8,76,200,0); } 100% { box-shadow: 0 0 0 0 rgba(8,76,200,0); } } .nova-mutebtn { margin-left: 12px; display: inline-flex; align-items: center; gap: 6px; background: none; border: 0; cursor: pointer; } .nova-overlay .nova-mutebtn { color: #5b6b8c; } .nova-overlay .nova-mutebtn:hover { color: #112868; } /* popup footer (input) — light frosted bar */ .nova-overlay .nova-foot { border-top: 1px solid rgba(17,40,104,.14); padding: 16px 24px; background: transparent; } .nova-overlay .nova-bar { width: 100%; position: relative; border-radius: 20px; background: rgba(255,255,255,.75); border: 1px solid rgba(17,40,104,.16); box-shadow: 0 6px 20px rgba(17,40,104,.08); padding: 14px 16px; } .nova-overlay .nova-bar--bare { background: rgba(255,255,255,.60); } .nova-overlay .nova-bar > .nova-bar-inner { position: relative; z-index: 1; } .nova-overlay .nova-spark { flex: 0 0 auto; color: #084cc8; display: grid; place-items: center; } .nova-overlay .nova-input { color: #112868; } .nova-overlay .nova-input::placeholder { color: #7a89a8; } .nova-overlay .nova-send { background: linear-gradient(135deg, #084cc8, #3b82f6); box-shadow: 0 8px 22px rgba(8,76,200,.30); } .nova-overlay .nova-send:hover { filter: brightness(1.06); } .nova-overlay .nova-mic.is-live { border-color: rgba(8,76,200,.45); background: rgba(8,76,200,.12); color: #084cc8; } /* keep message repaints isolated from the frosted backdrop (anti-flicker) */ .nova-overlay .nova-messages { contain: layout paint; overscroll-behavior: contain; } /* freeze the background page while the popup is open */ body.nova-lock { overflow: hidden !important; } /* assistant answers go full width so strips/accordions can breathe */ .nova-overlay .nova-bubble.assistant { max-width: 100%; width: 100%; } /* ---------- rich answer: inline ---------- */ .nova-overlay .nova-link { color: #084cc8; font-weight: 500; text-decoration: none; border-bottom: 1px solid rgba(8,76,200,.35); transition: border-color .2s, color .2s; } .nova-overlay .nova-link:hover { color: #0635a0; border-color: #084cc8; } .nova-overlay .nova-hl { color: #084cc8; font-weight: 700; } /* highlighted important words */ .nova-overlay .nova-mark { background: linear-gradient(transparent 55%, rgba(254,211,20,.55) 0); /* yellow marker */ color: #112868; padding: 0 2px; border-radius: 2px; } .nova-overlay .nova-code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: .9em; background: rgba(17,40,104,.08); color: #0b1e4d; padding: 1px 6px; border-radius: 6px; } .nova-overlay .nova-h { font-size: 15px; font-weight: 600; color: #112868; margin: 14px 0 6px; } .nova-overlay .nova-ul, .nova-overlay .nova-ol { margin: 8px 0; padding-left: 22px; } .nova-overlay .nova-ul li, .nova-overlay .nova-ol li { margin: 4px 0; } .nova-overlay .nova-ul li::marker { color: #75c044; } /* ---------- rich answer: full-width "Know more" strip ---------- */ .nova-overlay .nova-strip { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%; margin-top: 14px; padding: 14px 18px; border-radius: 12px; border: 1px solid rgba(8,76,200,.18); border-left: 4px solid #084cc8; background: linear-gradient(90deg, rgba(8,76,200,.07), rgba(117,192,68,.07) 60%, rgba(254,211,20,.07)); color: #112868; text-decoration: none; transition: transform .2s var(--nova-ease, ease), box-shadow .2s, background .2s; } .nova-overlay .nova-strip:hover { transform: translateY(-1px); box-shadow: 0 10px 28px rgba(8,76,200,.16); background: linear-gradient(90deg, rgba(8,76,200,.12), rgba(117,192,68,.10) 60%, rgba(254,211,20,.10)); } .nova-overlay .nova-strip-label { font-weight: 600; font-size: 14px; } .nova-overlay .nova-strip-cta { display: inline-flex; align-items: center; gap: 6px; flex: 0 0 auto; font-weight: 600; font-size: 13px; color: #084cc8; } .nova-overlay .nova-strip-arrow { transition: transform .2s ease; } .nova-overlay .nova-strip:hover .nova-strip-arrow { transform: translateX(4px); } /* ---------- rich answer: accordion ---------- */ .nova-overlay .nova-acc { margin: 12px 0 4px; border: 1px solid rgba(17,40,104,.14); border-radius: 14px; overflow: hidden; background: rgba(255,255,255,.55); } .nova-overlay .nova-acc-item + .nova-acc-item { border-top: 1px solid rgba(17,40,104,.12); } .nova-overlay .nova-acc-head { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border: 0; background: transparent; cursor: pointer; text-align: left; font: inherit; font-size: 15px; font-weight: 600; color: #112868; transition: background .2s; } .nova-overlay .nova-acc-head:hover { background: rgba(8,76,200,.06); } .nova-overlay .nova-acc-ico { flex: 0 0 auto; width: 9px; height: 9px; border-right: 2px solid #084cc8; border-bottom: 2px solid #084cc8; transform: rotate(45deg); transition: transform .3s var(--nova-ease, ease); } .nova-overlay .nova-acc-item.open .nova-acc-ico { transform: rotate(-135deg); } .nova-overlay .nova-acc-body { max-height: 0; overflow: hidden; transition: max-height .4s ease; } .nova-overlay .nova-acc-item.open .nova-acc-body { max-height: 1400px; } .nova-overlay .nova-acc-inner { padding: 0 18px 16px; color: #2a3a5c; line-height: 1.6; } .nova-overlay .nova-acc-inner p:first-child { margin-top: 0; } /* scrollbar */ .nova-overlay .nova-messages::-webkit-scrollbar { width: 8px; } .nova-overlay .nova-messages::-webkit-scrollbar-thumb { background: rgba(17,40,104,.20); border-radius: 8px; } /* respect users who prefer reduced motion */ @media (prefers-reduced-motion: reduce) { .nova-shutter { transition: opacity .25s linear, visibility .25s linear; } .nova-bubble { animation: none; } } /* ============================================================ RESPONSIVE Desktop defaults are tuned for the 760px hero bar / 860px popup. These breakpoints scale paddings, fonts, buttons and the glow so the chatbox + glow stay clean from 1920px down to 320px. ============================================================ */ /* small laptops / large tablets (<=1024) */ @media (max-width: 1024px) { .nova-overlay .nova-dialog { max-width: 760px; } } /* tablets and below (<=768) */ @media (max-width: 991px) { .nova-inline { gap: 16px; } .nova-root .nova-bar { } .nova-bar-actions { align-items: end; } .nova-root .nova-bar.nova-glow::before { inset: -2px; filter: blur(9px); border-radius: 24px; } .nova-input { font-size: 14px; } .nova-spark svg { width: 20px; height: 20px; } .nova-iconbtn { height: 34px; width: 34px; } .nova-mic { height: 38px; width: 38px; } .nova-send { height: 40px; width: 40px; } .nova-chip { font-size: 12px; padding: 5px 12px; } .nova-example { font-size: 13px; padding: 7px 14px; } .nova-overlay .nova-head { padding: 14px 16px; } .nova-overlay .nova-messages { padding: 18px 16px; gap: 16px; } .nova-overlay .nova-foot { padding: 14px 16px; } .nova-overlay .nova-logo { height: 28px; } .nova-overlay .nova-head-title { font-size: 13px; } .nova-overlay .nova-bubble { font-size: 14px; } .nova-inline { min-width: 480px; } } @media (max-width: 600px) { .nova-inline { min-width: 400px; } } /* large phones (<=480) */ @media (max-width: 480px) { .nova-inline { gap: 14px; } .nova-root .nova-bar { padding: 12px 14px; border-radius: 20px; } .nova-root .nova-bar.nova-glow::before { inset: -2px; filter: blur(7px); border-radius: 22px; } .nova-bar-top { gap: 8px; } .nova-input { font-size: 13px; } .nova-spark svg { width: 18px; height: 18px; } .nova-iconbtn { height: 32px; width: 32px; } .nova-mic { height: 36px; width: 36px; } .nova-send { height: 38px; width: 38px; } .nova-iconbtn svg, .nova-send svg, .nova-mic svg { width: 16px; height: 16px; } .nova-chip { font-size: 11px; padding: 6px 10px; } .nova-example { font-size: 12px; padding: 6px 12px; } .nova-overlay .nova-pillbtn { padding: 5px 10px; font-size: 11px; } .nova-overlay .nova-logo { height: 24px; } .nova-overlay .nova-messages { padding: 16px 12px; gap: 14px; } .nova-overlay .nova-foot { padding: 12px; } .nova-overlay .nova-bubble { font-size: 13.5px; padding: 10px 13px; } /* stack the "Know more" strip and accordion comfortably on narrow screens */ .nova-overlay .nova-strip { flex-direction: column; align-items: flex-start; gap: 8px; padding: 12px 14px; } .nova-overlay .nova-acc-head { font-size: 14px; padding: 12px 14px; } .nova-overlay .nova-acc-inner { padding: 0 14px 14px; } .nova-overlay .nova-dialog.is-empty .nova-foot .nova-bar { max-width: 100%; } .nova-chips { min-width: 246px; } .nova-inline { min-width: 370px; } } /* small phones (<=375) */ @media (max-width: 375px) { .nova-root .nova-bar { padding: 11px 12px; } .nova-input { font-size: 12.5px; } .nova-iconbtn { height: 31px; width: 31px; } .nova-mic { height: 34px; width: 34px; } .nova-send { height: 36px; width: 36px; } .nova-chip { font-size: 10.5px; padding: 4px 9px; } .nova-example { font-size: 11px; padding: 5px 10px; } .nova-overlay .nova-logo { height: 22px; } .nova-chips { min-width: 225px; } .nova-chip { font-size: 10px; padding: 6px 8px; } .nova-inline { min-width: 342px; } } /* very small phones (<=320) */ @media (max-width: 320px) { .nova-root .nova-bar { padding: 10px 11px; border-radius: 18px; } .nova-root .nova-bar.nova-glow::before { inset: -1px; filter: blur(6px); } .nova-bar-actions { gap: 8px; } .nova-input { font-size: 12px; } .nova-iconbtn { height: 30px; width: 30px; } .nova-mic { height: 32px; width: 32px; } .nova-send { height: 34px; width: 34px; } .nova-iconbtn svg, .nova-send svg, .nova-mic svg { width: 15px; height: 15px; } .nova-chip { font-size: 10px; padding: 4px 8px; } .nova-example { font-size: 10.5px; padding: 5px 9px; } .nova-overlay .nova-logo { height: 20px; } .nova-overlay .nova-bubble { font-size: 13px; } }