:root{--p:#7457ff;--p2:#9d60ff;--pink:#ff5faa;--blue:#4f7cff;--green:#22c98d;--orange:#ff9a3d;--ink:#27253a;--muted:#7a7890;--line:#eceaf5;--bg:#f7f6fb;--bubble:#eef1ff;--mine:#795cf5}*{box-sizing:border-box}html,body{margin:0;height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:#ebe9f3}button,input,textarea{font:inherit}.ambient{position:fixed;inset:0;overflow:hidden;background:radial-gradient(circle at 20% 15%,#ffe1ef 0,transparent 36%),radial-gradient(circle at 80% 75%,#d9fff1 0,transparent 35%),linear-gradient(145deg,#f5eeff,#eef5ff 55%,#fff3e9)}.ambient span{position:absolute;border-radius:999px;filter:blur(2px);opacity:.5}.ambient span:nth-child(1){width:240px;height:240px;background:#9d60ff;top:-80px;right:8%}.ambient span:nth-child(2){width:160px;height:160px;background:#ff9a3d;bottom:8%;left:7%}.ambient span:nth-child(3){width:110px;height:110px;background:#22c98d;top:35%;left:15%}.phone{position:relative;width:100%;max-width:460px;height:100dvh;margin:auto;background:#fff;overflow:hidden;box-shadow:0 18px 70px #2e24522a}.screen{height:100%;padding:22px}.center{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.hidden{display:none!important}.logo-xl{width:106px;filter:drop-shadow(0 16px 28px #795cf54a)}.logo-lg{width:78px}h1,h2,h3{margin:.55rem 0}.muted{color:var(--muted);line-height:1.45}.tiny{font-size:12px;color:var(--muted)}.loader{width:28px;height:28px;margin-top:26px;border:3px solid #eee;border-top-color:var(--p);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}form#authForm{width:100%;display:grid;gap:10px;margin-top:18px}input,textarea{border:1px solid var(--line);background:#faf9fd;border-radius:15px;padding:14px 15px;outline:none}input:focus,textarea:focus{border-color:#ab9cff;box-shadow:0 0 0 4px #7457ff16}.primary,.ghost{border:0;border-radius:15px;padding:14px 17px;font-weight:750;cursor:pointer}.primary{color:#fff;background:linear-gradient(135deg,var(--p),var(--pink));box-shadow:0 8px 24px #7457ff36}.ghost{background:#f2f0f8;color:var(--ink)}.pinPulse{width:118px;height:118px;display:grid;place-items:center;border-radius:50%;background:#7457ff12;animation:pulse 1.9s infinite}.pinPulse img{width:76px}@keyframes pulse{50%{box-shadow:0 0 0 28px #7457ff06}}.chat-screen{padding:0;display:flex;flex-direction:column;background:linear-gradient(#fff,#fbfaff)}.chat-head{height:68px;flex:0 0 auto;display:flex;align-items:center;gap:9px;padding:9px 10px;border-bottom:1px solid var(--line);background:#ffffffeb;backdrop-filter:blur(14px);z-index:5}.icon{width:42px;height:42px;border:0;border-radius:14px;background:transparent;cursor:pointer;font-size:20px}.icon:hover{background:#f4f2fa}.room-avatar{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#efe8ff,#e7f2ff)}.room-title{min-width:0;flex:1;display:flex;flex-direction:column}.room-title strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.room-title small{color:var(--green);font-size:12px}.messages{flex:1;overflow:auto;padding:16px 12px 88px;scroll-behavior:smooth}.msg{display:flex;gap:8px;margin:8px 0;align-items:flex-end}.msg.mine{justify-content:flex-end}.bubble{max-width:79%;padding:9px 11px 7px;border-radius:17px 17px 17px 5px;background:#f0eff6;box-shadow:0 1px 2px #251d4810}.mine .bubble{background:linear-gradient(145deg,#8164fa,#6b55ed);color:#fff;border-radius:17px 17px 5px 17px}.who{font-size:11px;color:var(--p);font-weight:800;margin-bottom:2px}.mine .who{display:none}.meta{display:flex;gap:6px;justify-content:flex-end;font-size:10px;opacity:.62;margin-top:3px}.state-chip{font-size:10px;border-radius:999px;padding:1px 5px;background:#ece8ff;color:#7250ca}.composer{position:absolute;left:0;right:0;bottom:0;padding:8px 10px max(8px,env(safe-area-inset-bottom));display:flex;align-items:flex-end;gap:6px;background:#fff;border-top:1px solid var(--line)}.composer textarea{flex:1;min-height:44px;max-height:120px;resize:none;padding:11px 12px}.send{width:46px;height:46px;border:0;border-radius:16px;background:linear-gradient(135deg,var(--p),var(--blue));color:#fff;font-size:20px}.join-banner{margin:8px 10px 0;padding:10px;border-radius:17px;background:linear-gradient(135deg,#fff2e5,#f8edff);border:1px solid #f2d8c7;z-index:4;box-shadow:0 10px 30px #6a4d8620}.join-banner .actions{display:flex;gap:7px;margin-top:8px}.join-banner button{padding:8px 10px;border:0;border-radius:11px;font-weight:700}.join-banner .yes{background:var(--green);color:white}.new-msg{position:absolute;right:16px;bottom:76px;border:0;border-radius:999px;padding:9px 12px;background:#2e2945;color:#fff;box-shadow:0 8px 18px #0002}.sheet{position:absolute;inset:0;background:#24203366;display:flex;align-items:flex-end;z-index:20}.sheet-card{width:100%;max-height:78%;overflow:auto;background:#fff;border-radius:24px 24px 0 0;padding:12px 18px 22px}.grab{width:44px;height:5px;border-radius:9px;background:#ddd;margin:0 auto 13px}.toast{position:absolute;left:50%;bottom:92px;transform:translateX(-50%);background:#2d2940;color:#fff;border-radius:999px;padding:9px 14px;font-size:13px;z-index:40}.people-list{display:grid;gap:8px}.person{display:flex;align-items:center;gap:10px;padding:10px;background:#f8f7fb;border-radius:14px}.badge{margin-left:auto;font-size:11px;padding:4px 7px;border-radius:999px;background:#e9fff6;color:#14855f}.admin-bg{background:#f4f2f8}.admin-wrap{max-width:1050px;margin:30px auto;padding:18px}.admin-top{display:flex;justify-content:space-between;align-items:center}.admin-top a{color:var(--p)}.card{background:white;border:1px solid #eceaf3;border-radius:18px;padding:18px;margin:14px 0}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat{background:white;border-radius:18px;padding:18px;border:1px solid #eceaf3}.stat b{font-size:28px;display:block}.stat span{color:var(--muted)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px;border-bottom:1px solid #eee}@media(max-width:700px){.stats{grid-template-columns:1fr 1fr}}@media(min-width:700px){.phone{height:min(900px,96dvh);margin-top:2dvh;border-radius:30px;border:1px solid #fff8}.chat-screen{border-radius:30px}.composer{border-radius:0 0 30px 30px}}@media(prefers-color-scheme:dark){:root{--ink:#f6f2ff;--muted:#aaa6bc;--line:#343043}.phone,.chat-screen,.chat-head,.composer,.sheet-card{background:#211f2b}.screen{color:var(--ink)}input,textarea{background:#2a2736;color:#fff;border-color:#3a354a}.bubble{background:#302d3d}.ghost{background:#302d3d;color:#fff}.messages{background:linear-gradient(#211f2b,#242130)}.room-title small{color:#58d8a9}.icon{color:#fff}}.msg-image,.msg-video{display:block;width:100%;max-width:280px;border-radius:12px;margin-bottom:6px}.bubble audio{max-width:260px}.file-link{display:inline-block;color:inherit;font-weight:750;text-decoration:none;padding:8px 0}.sheet-card input{width:100%}
.action-btn{width:100%;text-align:left;margin:4px 0}.danger{color:#c4374f}.reaction-row{display:flex;gap:8px;margin:8px 0 12px}.reaction-row button{font-size:24px;border:0;background:#f4f1fb;border-radius:14px;padding:8px 10px;cursor:pointer}
.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:14px 0}.settings-grid label{display:grid;gap:6px;font-size:13px;font-weight:700}.settings-grid .checkline{display:flex;align-items:center;gap:8px}.settings-grid .checkline input{width:auto}.table-scroll{overflow:auto}@media(max-width:700px){.settings-grid{grid-template-columns:1fr}.admin-top{align-items:flex-start;gap:12px}.admin-top h1{font-size:24px}}
html[data-font="small"]{font-size:14px}html[data-font="normal"]{font-size:16px}html[data-font="large"]{font-size:18px}html[data-font="xlarge"]{font-size:20px}
html[data-theme="dark"]{--ink:#f6f2ff;--muted:#aaa6bc;--line:#343043;--bg:#211f2b}html[data-theme="dark"] body{background:#17151f}html[data-theme="dark"] .phone,html[data-theme="dark"] .chat-screen,html[data-theme="dark"] .chat-head,html[data-theme="dark"] .composer,html[data-theme="dark"] .sheet-card{background:#211f2b;color:var(--ink)}html[data-theme="dark"] input,html[data-theme="dark"] textarea{background:#2a2736;color:#fff;border-color:#3a354a}html[data-theme="dark"] .bubble{background:#302d3d}html[data-theme="dark"] .ghost{background:#302d3d;color:#fff}html[data-theme="dark"] .messages{background:linear-gradient(#211f2b,#242130)}html[data-theme="dark"] .icon{color:#fff}
html[data-theme="light"]{--ink:#27253a;--muted:#7a7890;--line:#eceaf5;--bg:#f7f6fb}html[data-theme="light"] .phone,html[data-theme="light"] .chat-screen,html[data-theme="light"] .chat-head,html[data-theme="light"] .composer,html[data-theme="light"] .sheet-card{background:#fff;color:var(--ink)}
.scenario-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:12px}.scenario{padding:12px;border-radius:14px;background:#f7f5fb;display:grid;gap:3px}.scenario span{font-size:12px;color:var(--muted)}@media(max-width:700px){.scenario-row{grid-template-columns:1fr 1fr}}
.audit-list{display:grid;gap:7px}.audit-item{display:flex;justify-content:space-between;gap:12px;padding:9px 10px;border-radius:12px;background:#f7f5fb}.audit-item span{font-size:12px;color:var(--muted)}
.reply-preview{position:absolute;left:0;right:0;bottom:62px;display:flex;align-items:center;gap:8px;padding:8px 10px;background:#fff;border-top:1px solid var(--line);z-index:8}.reply-preview>div{min-width:0;flex:1;padding:7px 10px;border-left:3px solid var(--p);background:#f7f4ff;border-radius:10px;display:grid}.reply-preview small{color:var(--muted)}.reply-preview strong,.reply-preview span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reply-quote{display:grid;gap:2px;padding:6px 8px;margin-bottom:6px;border-left:3px solid currentColor;background:#ffffff22;border-radius:8px;font-size:11px;opacity:.9}.reply-quote span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.forwarded{font-size:10px;opacity:.65;margin-bottom:4px;font-style:italic}.wide{width:100%;margin-top:8px}.mini{margin-left:auto;padding:7px 9px;font-size:12px}.sep{border:0;border-top:1px solid var(--line);margin:18px 0}.form-grid{display:grid;gap:10px}.form-grid label{display:grid;gap:5px;font-size:13px;font-weight:700}.link-button{display:block;text-decoration:none;text-align:center}.legal-links{display:flex;gap:8px;justify-content:center;margin-top:18px;font-size:12px}.legal-links a,.legal a{color:var(--p);text-decoration:none}.legal{max-width:760px;margin:30px auto;line-height:1.6}.notification-item{display:grid;gap:3px;padding:11px;border-radius:12px;background:#f7f5fb;margin:7px 0}.notification-item.unread{border-left:4px solid var(--p)}.notification-item small{color:var(--muted)}html[data-theme="dark"] .reply-preview{background:#211f2b}html[data-theme="dark"] .reply-preview>div,html[data-theme="dark"] .notification-item{background:#302d3d}@media(prefers-color-scheme:dark){.reply-preview{background:#211f2b}.reply-preview>div,.notification-item{background:#302d3d}}
.settings-grid select{border:1px solid var(--line);background:#faf9fd;border-radius:15px;padding:14px 15px;color:var(--ink)}html[data-theme="dark"] .settings-grid select{background:#2a2736;color:#fff;border-color:#3a354a}
.ok-text{color:#14855f}.warn-text{color:#a45b19}
.diag-list{list-style:none;padding:0}.diag-list li{padding:7px 0}
/* 1.3 social actions */
.person-button{width:100%;border:0;background:transparent;color:inherit;text-align:left;cursor:pointer;padding:10px;border-radius:14px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:9px}
.person-button:hover,.person-button:focus-visible{background:rgba(127,90,240,.12);outline:none}
.person-button:disabled{cursor:default;opacity:.72}
.member-picks{max-height:280px;overflow:auto;padding:6px;border:1px solid rgba(127,127,127,.18);border-radius:14px}
.conversation-row{display:flex!important;align-items:center;justify-content:space-between;gap:8px;text-align:left}

/* 1.5 CadeVC brand + animated radar background */
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.ambient{background:#eef5ff}
.ambient::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,transparent 20%,rgba(10,29,59,.035) 78%,rgba(10,29,59,.08) 100%);pointer-events:none}
.ambient-svg{position:absolute;inset:-3%;width:106%;height:106%;object-fit:cover;opacity:.95;filter:saturate(.9);animation:ambientDrift 18s ease-in-out infinite alternate;transform-origin:center}
@keyframes ambientDrift{from{transform:scale(1.01) translate3d(-.4%,0,0)}to{transform:scale(1.045) translate3d(.5%,-.45%,0)}}
.brand-xl{width:min(360px,88%);height:auto;filter:drop-shadow(0 18px 32px rgba(11,29,59,.12));margin-bottom:2px}
.brand-lg{width:min(290px,82%);height:auto;filter:drop-shadow(0 12px 22px rgba(11,29,59,.10));margin-bottom:4px}
.cadevc-room-avatar{background:linear-gradient(145deg,#f1f6ff,#fff4e9);border:1px solid rgba(11,29,59,.07)}
.cadevc-room-avatar img{width:30px;height:35px;display:block}
.pinPulse{background:rgba(255,122,0,.075);box-shadow:inset 0 0 0 1px rgba(11,29,59,.05)}
.pinPulse img{filter:drop-shadow(0 8px 12px rgba(11,29,59,.13))}
@media(max-width:699px){.ambient-svg{opacity:.42}.ambient::after{background:linear-gradient(rgba(238,245,255,.65),rgba(238,245,255,.65))}}
@media(prefers-reduced-motion:reduce){.ambient-svg{animation:none}.pinPulse{animation:none}}
html[data-theme="dark"] .ambient{background:#121b2d}
html[data-theme="dark"] .ambient-svg{opacity:.18;filter:saturate(.65) brightness(.78)}
@media(prefers-color-scheme:dark){.ambient{background:#121b2d}.ambient-svg{opacity:.18;filter:saturate(.65) brightness(.78)}}

/* ===== 1.5.2 — theme legibility + desktop online sidebar ===== */
:root{
  --surface:#ffffff;--surface-2:#f7f6fb;--chat-surface:#fbfaff;--field:#faf9fd;
  --bubble-other:#f0eff6;--sheet-surface:#ffffff;--ghost-surface:#f2f0f8;
  --ambient-base:#eaf0f8;--shadow-ui:#26304a22;--text-main:#27253a;--text-soft:#7a7890;
}
html[data-theme="light"]{--ink:#27253a;--muted:#6f6d82;--line:#dedbe9;--surface:#fff;--surface-2:#f7f6fb;--chat-surface:#fbfaff;--field:#faf9fd;--bubble-other:#eeedf4;--sheet-surface:#fff;--ghost-surface:#f0eef6;--ambient-base:#eaf0f8;--text-main:#27253a;--text-soft:#6f6d82}
html[data-theme="dark"]{--ink:#f7f5ff;--muted:#b9b4c8;--line:#3b3749;--surface:#211f2b;--surface-2:#2a2736;--chat-surface:#211f2b;--field:#2b2838;--bubble-other:#343044;--sheet-surface:#24212f;--ghost-surface:#322e40;--ambient-base:#28364a;--text-main:#f7f5ff;--text-soft:#b9b4c8}
html[data-theme] body{color:var(--ink);background:var(--ambient-base)}
html[data-theme] .phone{background:var(--surface);color:var(--ink)}
html[data-theme] .screen{color:var(--ink)}
html[data-theme] .chat-screen{background:var(--chat-surface);color:var(--ink)}
html[data-theme] .chat-head{background:color-mix(in srgb,var(--surface) 94%,transparent);color:var(--ink);border-color:var(--line)}
html[data-theme] .messages{background:var(--chat-surface);color:var(--ink)}
html[data-theme] .composer{background:var(--surface);border-color:var(--line)}
html[data-theme] input,html[data-theme] textarea{background:var(--field);color:var(--ink);border-color:var(--line)}
html[data-theme] input::placeholder,html[data-theme] textarea::placeholder{color:var(--muted);opacity:.88}
html[data-theme] .bubble{background:var(--bubble-other);color:var(--ink)}
html[data-theme] .mine .bubble{background:linear-gradient(145deg,#8164fa,#6653e8);color:#fff}
html[data-theme] .sheet-card{background:var(--sheet-surface);color:var(--ink)}
html[data-theme] .ghost{background:var(--ghost-surface);color:var(--ink)}
html[data-theme] .person{background:var(--surface-2);color:var(--ink)}
html[data-theme] .reaction-row button,html[data-theme] .scenario,html[data-theme] .audit-item{background:var(--surface-2);color:var(--ink)}
html[data-theme] .reply-preview{background:var(--surface);color:var(--ink);border-color:var(--line)}
html[data-theme] .reply-preview>div{background:color-mix(in srgb,var(--p) 10%,var(--surface));color:var(--ink)}
html[data-theme] .room-title strong,html[data-theme] .content,html[data-theme] .sheet-card h3,html[data-theme] .sheet-card label{color:inherit}
html[data-theme] .meta{color:inherit}
html[data-theme] .muted,html[data-theme] .tiny{color:var(--muted)}
html[data-theme="dark"] .brand-lg,html[data-theme="dark"] .brand-xl{content:url('/assets/cadevc-brand-dark.svg')}
html[data-theme="dark"] .cadevc-room-avatar{background:#f6f8fc}
html[data-theme="light"] .ambient{background:#dfe8f5}
html[data-theme="dark"] .ambient{background:#29374b}

/* authentication: mIRC-like nickname, compact entry */
#authForm .hidden{display:none!important}
#auth .brand-lg{width:min(82%,330px);max-height:105px;object-fit:contain;margin-bottom:4px}

/* floating online panel on desktop */
.online-float,.desktop-online{display:none}
@media(min-width:900px){
  .online-float{display:flex;position:fixed;left:calc(50% + 250px);top:84px;z-index:14;align-items:center;gap:7px;border:1px solid color-mix(in srgb,var(--line) 80%,transparent);background:color-mix(in srgb,var(--surface) 92%,transparent);color:var(--ink);box-shadow:0 12px 36px var(--shadow-ui);backdrop-filter:blur(14px);border-radius:999px;padding:10px 14px;font-weight:800;cursor:pointer}
  .online-float:hover{transform:translateY(-1px)}
  .online-float span{min-width:22px;height:22px;padding:0 6px;display:grid;place-items:center;border-radius:999px;background:var(--green);color:#08291d;font-size:12px}
  .desktop-online{display:flex;position:fixed;left:calc(50% + 250px);top:132px;width:300px;max-height:min(720px,calc(100dvh - 160px));z-index:13;flex-direction:column;background:color-mix(in srgb,var(--sheet-surface) 96%,transparent);color:var(--ink);border:1px solid var(--line);border-radius:20px;box-shadow:0 18px 55px #10182830;backdrop-filter:blur(18px);overflow:hidden}
  .desktop-online.hidden,.online-float.hidden{display:none!important}
  .desktop-online__head{display:flex;align-items:center;gap:10px;padding:12px 12px 10px 16px;border-bottom:1px solid var(--line)}
  .desktop-online__head>div{display:grid;flex:1}.desktop-online__head small{color:var(--muted);font-size:11px}
  .desktop-online__list{display:grid;gap:6px;padding:10px;overflow:auto}
  .desktop-online .person.compact{display:grid;grid-template-columns:26px 1fr auto;width:100%;border:0;text-align:left;cursor:pointer;padding:9px 8px}
  .desktop-online .person.compact:disabled{cursor:default;opacity:.82}
  .desktop-online .person-name{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-weight:700}
  .desktop-online .badge{font-size:10px}
}
@media(min-width:900px) and (max-width:1280px){.online-float,.desktop-online{left:auto;right:18px}.desktop-online{width:270px}}


/* ===== 1.5.3 — navigation + visual polish ===== */
.chat-head{height:72px;padding:10px 10px 10px 8px;gap:6px}
.chat-head .back-btn{font-size:28px;font-weight:500;line-height:1;border-radius:12px;color:var(--ink)}
.chat-head .back-btn:hover{background:color-mix(in srgb,var(--p) 10%,transparent)}
.chat-head #menuBtn{font-size:18px}
.chat-head #moreBtn{font-size:24px}
.room-title strong{font-size:15px;letter-spacing:.01em}.room-title small{font-size:11px}
.geo-screen{position:relative;padding:30px 26px;background:var(--surface)}
.geo-back{position:absolute;left:16px;top:16px;width:44px;height:44px;border:0;border-radius:14px;background:var(--ghost-surface);color:var(--ink);font-size:27px;cursor:pointer;box-shadow:0 7px 18px var(--shadow-ui)}
.geo-back:hover{transform:translateX(-1px);background:color-mix(in srgb,var(--p) 12%,var(--ghost-surface))}
.brand-geo{width:min(245px,72%);height:auto;margin:0 auto 28px;filter:drop-shadow(0 12px 22px rgba(11,29,59,.10))}
html[data-theme="dark"] .brand-geo{content:url('/assets/cadevc-brand-dark.svg')}
.geo-screen .pinPulse{width:104px;height:104px;margin-bottom:14px}.geo-screen .pinPulse img{width:66px}
.geo-screen h2{font-size:27px;margin:.4rem 0 .55rem;letter-spacing:-.02em}
.geo-copy{max-width:340px;margin:0 auto 24px;font-size:14px;line-height:1.55}
.geo-primary{min-width:230px;padding:15px 22px;font-size:15px;box-shadow:0 12px 28px #7457ff2c}
.geo-screen #geoStatus{min-height:18px;margin-top:14px;max-width:330px}
@media(max-width:520px){.chat-head{height:68px}.chat-head .icon{width:38px;height:38px}.room-avatar{width:40px;height:40px}.geo-screen{padding:26px 20px}.brand-geo{margin-bottom:22px}.geo-back{top:12px;left:12px}}

/* ===== 1.5.4 — ORANGE CHAT: warm messenger visual ===== */
:root{
  --p:#f57c00;--p2:#ff9800;--pink:#ffb35c;--blue:#0b2a52;--green:#22b573;--orange:#f57c00;
  --ink:#172033;--muted:#6e6a64;--line:#e7ddd1;--bg:#f5efe8;
  --surface:#ffffff;--surface-2:#fff8f1;--chat-surface:#efe7dc;--field:#ffffff;
  --bubble-other:#ffffff;--sheet-surface:#fffaf5;--ghost-surface:#f7eee5;
  --ambient-base:#eadfD3;--shadow-ui:#5d3a1720;--text-main:#172033;--text-soft:#6e6a64;
}
html[data-theme="light"],html[data-theme="dark"]{
  --ink:#172033;--muted:#6e6a64;--line:#e7ddd1;--surface:#ffffff;--surface-2:#fff8f1;
  --chat-surface:#efe7dc;--field:#ffffff;--bubble-other:#ffffff;--sheet-surface:#fffaf5;
  --ghost-surface:#f7eee5;--ambient-base:#eadfd3;--text-main:#172033;--text-soft:#6e6a64;
}
html[data-theme] body{background:#e9dfd3;color:var(--ink)}
html[data-theme] .ambient{background:linear-gradient(135deg,#efe5da,#e7ddd0 58%,#f5eadf)}
html[data-theme] .ambient::after{background:radial-gradient(circle at 50% 45%,rgba(255,255,255,.26),transparent 55%),radial-gradient(circle at 50% 50%,transparent 20%,rgba(126,73,22,.05) 100%)}
html[data-theme] .ambient-svg{opacity:.12;filter:sepia(.35) saturate(.85) hue-rotate(338deg)}
html[data-theme] .phone{background:#fff;border-color:#ffffffaa;box-shadow:0 22px 70px #4a2d1730}
html[data-theme] .screen{background:#fff;color:var(--ink)}
html[data-theme] #auth,html[data-theme] #geo{background:#fffaf5}
html[data-theme] .brand-lg,html[data-theme] .brand-xl,html[data-theme] .brand-geo{content:url('/assets/cadevc-brand.svg')}
html[data-theme] input,html[data-theme] textarea{background:#fff;color:#172033;border-color:#dfd3c6;box-shadow:none}
html[data-theme] input:focus,html[data-theme] textarea:focus{border-color:#f57c00;box-shadow:0 0 0 4px #f57c0015}
.primary{background:linear-gradient(135deg,#f57c00,#ff9d22);box-shadow:0 9px 24px #f57c0030;color:#fff}
.ghost{background:#f7eee5;color:#172033}
.pinPulse{background:#fff0df;box-shadow:inset 0 0 0 1px #f57c0014}

/* Chat: familiar warm messenger composition, orange identity */
html[data-theme] .chat-screen{background:#efe7dc;color:#172033}
html[data-theme] .chat-head{background:#f57c00;color:#fff;border-color:#db6900;backdrop-filter:none}
html[data-theme] .chat-head .icon,html[data-theme] .chat-head .back-btn,html[data-theme] .chat-head #menuBtn,html[data-theme] .chat-head #moreBtn{color:#fff}
html[data-theme] .chat-head .icon:hover{background:#ffffff20}
html[data-theme] .chat-head .room-title strong{color:#fff}
html[data-theme] .chat-head .room-title small{color:#fff3df}
html[data-theme] .cadevc-room-avatar{background:#fff7ef;border-color:#ffffff66}
html[data-theme] .messages{background-color:#efe7dc;background-image:radial-gradient(circle at 10px 10px,#f57c0008 1.2px,transparent 1.3px),radial-gradient(circle at 34px 32px,#0b2a5206 1px,transparent 1.1px);background-size:48px 48px;color:#172033}
html[data-theme] .bubble{background:#fff;color:#172033;box-shadow:0 1px 2px #50301816;border:1px solid #eadfd4}
html[data-theme] .mine .bubble{background:#ffd7ad;color:#172033;border-color:#ffc282;box-shadow:0 1px 2px #87450018}
html[data-theme] .who{color:#d56500}
html[data-theme] .state-chip{background:#fff0df;color:#b65300}
html[data-theme] .composer{background:#f8f1e9;border-color:#dfd3c6}
html[data-theme] .composer textarea{background:#fff;border-color:#ddd0c3}
.send{background:#f57c00;color:#fff;border-radius:50%;box-shadow:0 5px 14px #f57c0030}
.new-msg,.toast{background:#7a3e08;color:#fff}
.join-banner{background:#fff8ef;border-color:#f6c895}
.join-banner .yes{background:#f57c00}
html[data-theme] .sheet-card{background:#fffaf5;color:#172033}
html[data-theme] .person,html[data-theme] .scenario,html[data-theme] .audit-item{background:#fff4e8;color:#172033}
html[data-theme] .reply-preview{background:#f8f1e9;color:#172033;border-color:#dfd3c6}
html[data-theme] .reply-preview>div{background:#fff3e6;color:#172033;border-left-color:#f57c00}
html[data-theme] .online-float{background:#fffaf5;color:#172033;border-color:#e1d4c6}
html[data-theme] .online-float span{background:#f57c00;color:#fff}
html[data-theme] .desktop-online{background:#fffaf5;color:#172033;border-color:#e1d4c6}
html[data-theme] .geo-back{background:#fff0df;color:#b95500}
html[data-theme] .geo-primary{background:linear-gradient(135deg,#f57c00,#ff9d22);box-shadow:0 12px 28px #f57c002d}

/* keep a coherent warm dark option instead of gray/purple */
html[data-theme="dark"] body{background:#24170f}
html[data-theme="dark"] .ambient{background:linear-gradient(145deg,#2b1b11,#392417 55%,#21150e)}
html[data-theme="dark"] .phone,html[data-theme="dark"] #auth,html[data-theme="dark"] #geo{background:#201711;color:#fff8f0}
html[data-theme="dark"] .chat-screen,html[data-theme="dark"] .messages{background-color:#241a14;color:#fff8f0}
html[data-theme="dark"] .messages{background-image:radial-gradient(circle at 10px 10px,#ff9a3d0c 1.2px,transparent 1.3px),radial-gradient(circle at 34px 32px,#ffffff08 1px,transparent 1.1px)}
html[data-theme="dark"] .bubble{background:#38291f;color:#fff8f0;border-color:#4b372a}
html[data-theme="dark"] .mine .bubble{background:#b85d0b;color:#fff;border-color:#d97517}
html[data-theme="dark"] input,html[data-theme="dark"] textarea{background:#30231b;color:#fff8f0;border-color:#4c392c}
html[data-theme="dark"] .composer,html[data-theme="dark"] .sheet-card,html[data-theme="dark"] .reply-preview{background:#201711;color:#fff8f0;border-color:#4c392c}
html[data-theme="dark"] .ghost,html[data-theme="dark"] .person{background:#34261d;color:#fff8f0}
html[data-theme="dark"] .brand-lg,html[data-theme="dark"] .brand-xl,html[data-theme="dark"] .brand-geo{content:url('/assets/cadevc-brand-dark.svg')}