/* ============================================================ XR Chat — stylesheet Two themes driven by [data-theme] on . ============================================================ */ :root { --bg: #ffffff; --bg-elev: #f6f7f9; --bg-sunk: #eceef2; --sidebar: #f2f3f6; --text: #12151a; --text-dim: #5b6472; --text-faint: #8b95a4; --border: #e2e5ea; --accent: #4f46e5; --accent-soft: #eef2ff; --accent-text: #ffffff; --bubble-user: #4f46e5; --bubble-ai: #f6f7f9; --danger: #dc2626; --ok: #16a34a; --code-bg: #1e2430; --code-text: #e6edf3; --radius: 14px; --shadow: 0 1px 3px rgba(16,24,40,.08), 0 8px 24px rgba(16,24,40,.06); --sidebar-w: 268px; } [data-theme="dark"] { --bg: #0b0d10; --bg-elev: #14181d; --bg-sunk: #1b2027; --sidebar: #101317; --text: #e8ecf1; --text-dim: #9aa5b4; --text-faint: #6b7688; --border: #232932; --accent: #6366f1; --accent-soft: #1c1f3a; --accent-text: #ffffff; --bubble-user: #4f46e5; --bubble-ai: #14181d; --danger: #f87171; --ok: #4ade80; --code-bg: #0d1117; --code-text: #e6edf3; --shadow: 0 1px 3px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3); } * { box-sizing: border-box; } html, body { height: 100%; margin: 0; } body { background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Bengali", "Noto Sans Arabic", "Noto Sans Devanagari", "Hiragino Sans", "Microsoft YaHei", Helvetica, Arial, sans-serif; font-size: 15.5px; line-height: 1.6; -webkit-font-smoothing: antialiased; overscroll-behavior: none; } svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; flex: none; } .app { display: flex; height: 100dvh; overflow: hidden; } /* ─────────────────────── Sidebar ─────────────────────── */ .sidebar { width: var(--sidebar-w); flex: none; background: var(--sidebar); border-right: 1px solid var(--border); display: flex; flex-direction: column; padding: 14px 12px; gap: 12px; z-index: 40; } .sidebar-head { display: flex; align-items: center; justify-content: space-between; } .logo { display: flex; align-items: center; gap: 10px; font-weight: 650; letter-spacing: -.01em; } .logo-mark { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 9px; background: var(--accent); color: var(--accent-text); font-size: 13px; font-weight: 700; letter-spacing: .02em; } .sidebar-close { display: none; } .new-chat { display: flex; align-items: center; gap: 9px; width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 11px; background: var(--bg); color: var(--text); font: inherit; font-weight: 550; cursor: pointer; transition: background .15s, border-color .15s; } .new-chat:hover { background: var(--accent-soft); border-color: var(--accent); } .history-label { font-size: 11.5px; font-weight: 650; text-transform: uppercase; letter-spacing: .07em; color: var(--text-faint); padding: 4px 6px 0; } .history { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; min-height: 0; } .history-item { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 9px; color: var(--text-dim); font-size: 14px; cursor: pointer; border: none; background: none; font-family: inherit; text-align: left; width: 100%; } .history-item:hover { background: var(--bg-sunk); color: var(--text); } .history-item.active { background: var(--accent-soft); color: var(--text); font-weight: 550; } .history-item .label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } .history-item .del { opacity: 0; padding: 2px; border-radius: 5px; color: var(--text-faint); border: none; background: none; cursor: pointer; } .history-item:hover .del { opacity: 1; } .history-item .del:hover { color: var(--danger); } .history-item .del svg { width: 15px; height: 15px; } .sidebar-foot { border-top: 1px solid var(--border); padding-top: 10px; display: flex; flex-direction: column; gap: 2px; } .ghost-btn { display: flex; align-items: center; gap: 9px; padding: 9px 10px; border: none; border-radius: 9px; background: none; color: var(--text-dim); font: inherit; font-size: 14px; cursor: pointer; text-align: left; } .ghost-btn:hover { background: var(--bg-sunk); color: var(--text); } .ghost-btn.danger:hover { color: var(--danger); } .ghost-btn svg { width: 17px; height: 17px; } .scrim { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 35; } .scrim.show { display: block; } /* ─────────────────────── Main column ─────────────────────── */ .main { flex: 1; display: flex; flex-direction: column; min-width: 0; background: var(--bg); } .topbar { display: flex; align-items: center; gap: 12px; padding: 11px 18px; border-bottom: 1px solid var(--border); flex: none; } .icon-btn { display: none; padding: 7px; border: none; border-radius: 9px; background: none; color: var(--text-dim); cursor: pointer; } .icon-btn:hover { background: var(--bg-sunk); color: var(--text); } .topbar-title { flex: 1; font-size: 14.5px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } /* Model picker in the top bar */ .visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; } .model-picker { display: flex; align-items: center; gap: 6px; padding: 5px 9px; border: 1px solid var(--border); border-radius: 9px; background: var(--bg-elev); color: var(--text-dim); cursor: pointer; transition: border-color .15s, color .15s; min-width: 0; } .model-picker:hover { border-color: var(--accent); color: var(--text); } .model-picker:focus-within { border-color: var(--accent); } .model-picker[hidden] { display: none; } .model-picker svg { width: 15px; height: 15px; } .model-picker select { border: none; outline: none; background: none; color: inherit; font: inherit; font-size: 13px; font-weight: 550; cursor: pointer; max-width: 170px; text-overflow: ellipsis; } /* The native dropdown list is painted by the OS, so its options need an explicit background or they render white-on-white in dark mode. */ .model-picker select option { background: var(--bg-elev); color: var(--text); } .status { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--text-faint); } .status .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--text-faint); } .status.online .dot { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 20%, transparent); } .status.offline .dot { background: var(--danger); } /* ─────────────────────── Thread ─────────────────────── */ .thread { flex: 1; overflow-y: auto; padding: 26px 18px 8px; scroll-behavior: smooth; } .welcome { max-width: 760px; margin: 8vh auto 0; text-align: center; padding: 0 8px; } .welcome-mark { width: 54px; height: 54px; margin: 0 auto 20px; display: grid; place-items: center; border-radius: 16px; background: var(--accent); color: var(--accent-text); font-weight: 700; font-size: 19px; } .welcome h1 { font-size: 27px; font-weight: 650; letter-spacing: -.02em; margin: 0 0 6px; } .welcome-sub { color: var(--text-dim); margin: 0 0 30px; } .starters { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; text-align: left; } .starter { padding: 13px 15px; border: 1px solid var(--border); border-radius: 12px; background: var(--bg-elev); color: var(--text-dim); font: inherit; font-size: 14px; cursor: pointer; transition: border-color .15s, color .15s, transform .12s; } .starter:hover { border-color: var(--accent); color: var(--text); transform: translateY(-1px); } .msg { max-width: 780px; margin: 0 auto 22px; display: flex; gap: 13px; } .msg.user { flex-direction: row-reverse; } .avatar { width: 30px; height: 30px; flex: none; border-radius: 9px; display: grid; place-items: center; font-size: 11px; font-weight: 700; background: var(--accent); color: var(--accent-text); } .msg.user .avatar { background: var(--bg-sunk); color: var(--text-dim); } .bubble-wrap { min-width: 0; max-width: 100%; } .bubble { padding: 11px 15px; border-radius: var(--radius); background: var(--bubble-ai); border: 1px solid var(--border); overflow-wrap: anywhere; } .msg.user .bubble { background: var(--bubble-user); border-color: transparent; color: #fff; } .bubble p { margin: 0 0 10px; } .bubble p:last-child { margin-bottom: 0; } .bubble ul, .bubble ol { margin: 0 0 10px; padding-left: 22px; } .bubble li { margin-bottom: 4px; } .bubble h1, .bubble h2, .bubble h3 { margin: 14px 0 8px; font-size: 1.05em; font-weight: 650; } .bubble h1:first-child, .bubble h2:first-child, .bubble h3:first-child { margin-top: 0; } .bubble a { color: var(--accent); } .msg.user .bubble a { color: #fff; text-decoration: underline; } .bubble code { background: var(--bg-sunk); padding: 2px 5px; border-radius: 5px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .89em; } .msg.user .bubble code { background: rgba(255,255,255,.18); } .bubble pre { background: var(--code-bg); color: var(--code-text); padding: 13px 15px; border-radius: 10px; overflow-x: auto; margin: 0 0 10px; } .bubble pre code { background: none; padding: 0; font-size: 13px; line-height: 1.55; } /* Shown under a reply that stopped at the token ceiling. */ .cut-note { margin-top: 7px; padding: 7px 11px; border-radius: 9px; background: color-mix(in srgb, var(--accent) 12%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent); color: var(--text-dim); font-size: 12.5px; } /* Transient notice in the thread (model switched, etc.) */ .thread-note { max-width: 780px; margin: 0 auto 18px; text-align: center; } .msg-actions { display: flex; gap: 4px; margin-top: 6px; opacity: 0; transition: opacity .15s; } .msg:hover .msg-actions { opacity: 1; } .msg.user .msg-actions { justify-content: flex-end; } .act { display: flex; align-items: center; gap: 5px; padding: 4px 8px; border: none; border-radius: 7px; background: none; color: var(--text-faint); font: inherit; font-size: 12px; cursor: pointer; } .act:hover { background: var(--bg-sunk); color: var(--text); } .act svg { width: 14px; height: 14px; } /* Typing indicator */ .typing { display: flex; gap: 4px; padding: 4px 2px; } .typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--text-faint); animation: blink 1.3s infinite ease-in-out; } .typing i:nth-child(2) { animation-delay: .18s; } .typing i:nth-child(3) { animation-delay: .36s; } @keyframes blink { 0%, 60%, 100% { opacity: .25; } 30% { opacity: 1; } } /* Blinking caret while streaming */ .cursor::after { content: ""; display: inline-block; width: 7px; height: 1.05em; margin-left: 2px; vertical-align: text-bottom; background: var(--accent); animation: caret 1s steps(2) infinite; } @keyframes caret { 50% { opacity: 0; } } .error-note { max-width: 780px; margin: 0 auto 20px; padding: 11px 15px; border: 1px solid var(--danger); border-radius: 11px; background: color-mix(in srgb, var(--danger) 9%, transparent); color: var(--danger); font-size: 14px; } /* ─────────────────────── Composer ─────────────────────── */ .composer-wrap { flex: none; padding: 8px 18px 14px; background: var(--bg); } .composer { max-width: 780px; margin: 0 auto; display: flex; align-items: flex-end; gap: 8px; padding: 8px 8px 8px 16px; border: 1px solid var(--border); border-radius: 22px; background: var(--bg-elev); box-shadow: var(--shadow); transition: border-color .15s; } .composer:focus-within { border-color: var(--accent); } .composer textarea { flex: 1; border: none; outline: none; resize: none; background: none; color: var(--text); font: inherit; line-height: 1.55; padding: 8px 0; max-height: 200px; } .composer textarea::placeholder { color: var(--text-faint); } .send { width: 36px; height: 36px; flex: none; display: grid; place-items: center; border: none; border-radius: 50%; background: var(--accent); color: var(--accent-text); cursor: pointer; transition: opacity .15s, transform .12s; } .send:hover:not(:disabled) { transform: scale(1.06); } .send:disabled { opacity: .35; cursor: not-allowed; } .send svg { width: 17px; height: 17px; } .send[hidden] { display: none; } /* beats display:grid above */ .send.stop { background: var(--danger); } .send.stop svg { fill: currentColor; stroke: none; } .disclaimer { max-width: 780px; margin: 8px auto 0; text-align: center; font-size: 11.5px; color: var(--text-faint); } /* ─────────────────────── Scrollbars ─────────────────────── */ .thread::-webkit-scrollbar, .history::-webkit-scrollbar { width: 9px; } .thread::-webkit-scrollbar-thumb, .history::-webkit-scrollbar-thumb { background: var(--border); border-radius: 5px; border: 2px solid transparent; background-clip: content-box; } .thread::-webkit-scrollbar-thumb:hover { background: var(--text-faint); background-clip: content-box; } /* ─────────────────────── Mobile ─────────────────────── */ @media (max-width: 860px) { /* The chat title and the model name cannot both fit on a phone; the model matters more, so the title steps aside. */ .topbar-title { display: none; } .model-picker select { max-width: 120px; } .status .status-text { display: none; } .sidebar { position: fixed; inset: 0 auto 0 0; transform: translateX(-100%); transition: transform .22s ease; box-shadow: var(--shadow); } .sidebar.open { transform: none; } .sidebar-close, .icon-btn { display: grid; } .starters { grid-template-columns: 1fr; } .welcome { margin-top: 5vh; } .welcome h1 { font-size: 22px; } .thread { padding: 18px 12px 8px; } .composer-wrap { padding: 8px 12px 12px; } body { font-size: 15px; } } @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } .thread { scroll-behavior: auto; } }