:root{--bg:#05090b;--panel:#091114;--line:#1c2a30;--text:#f5f8f9;--muted:#8da0a8;--accent:#21d4a7;--danger:#e5484d}
*{box-sizing:border-box}
html,body{margin:0;height:100%;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:radial-gradient(circle at 10% 0,#12342e,transparent 32%),radial-gradient(circle at 100% 20%,#17223a,transparent 28%),var(--bg);color:var(--text)}
button,input{font:inherit}input[type=file]{max-width:100%}button{cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.hidden{display:none!important}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
h1,h2{margin:0}.sub{color:var(--muted);font-size:14px;line-height:1.5}
.center{min-height:100dvh;display:grid;grid-template-columns:minmax(0,1fr);justify-items:center;align-items:center;padding:20px;overflow-x:hidden}
.box{width:100%;max-width:420px;min-width:0;padding:32px;border:1px solid #ffffff12;border-radius:22px;background:#0c171b}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.logo{width:44px;height:44px;border-radius:13px;background:linear-gradient(135deg,var(--accent),#087b8d);display:grid;place-items:center;font-weight:800;color:#03110e;flex:none}
.field{margin:14px 0}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.input{width:100%;border:1px solid var(--line);background:#071014;color:var(--text);padding:13px 14px;border-radius:12px;outline:0;font-size:16px}
.input:focus{border-color:var(--accent)}
.btn{display:block;text-align:center;text-decoration:none;border:0;border-radius:12px;padding:13px 16px;color:#02110d;background:var(--accent);font-weight:700;width:100%}
.btn:disabled{opacity:.6;cursor:default}
.btn.secondary{background:#152329;color:var(--text);border:1px solid var(--line)}
.btn.google{background:#fff;color:#151515}.btn.danger{background:var(--danger);color:#fff}
.row{display:flex;gap:10px}.row>*{flex:1}
.divider{display:flex;align-items:center;gap:12px;color:#687980;font-size:13px;margin:16px 0}.divider:before,.divider:after{content:"";height:1px;background:var(--line);flex:1}
.msgline{font-size:13px;min-height:18px;margin-top:10px;color:#ff8492}.notice{font-size:12px;color:var(--muted);margin-top:12px}
.avatar{width:44px;height:44px;border-radius:50%;overflow:hidden;background:#16252a;display:grid;place-items:center;font-weight:700;flex:none}
.avatar img{width:100%;height:100%;object-fit:cover}
.iconbtn{width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:#102025;color:var(--accent);display:grid;place-items:center;text-decoration:none}
.iconbtn.plain{border:0;background:none;color:#fff}
.page{max-width:760px;height:100dvh;margin:0 auto;display:flex;flex-direction:column;background:var(--panel);border-left:1px solid var(--line);border-right:1px solid var(--line)}
.bar{height:66px;flex:none;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;padding:0 16px}
.bar small{color:var(--muted);display:block}
.me{margin-left:auto;display:flex;align-items:center;gap:10px;background:none;border:0;color:var(--muted);font-size:13px}.me .avatar{width:36px;height:36px}
.scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain}
.search{padding:14px 16px 6px}
.sechead{font-size:12px;color:var(--muted);padding:10px 16px 4px}
.person{display:flex;align-items:center;gap:12px;padding:12px 16px;width:100%;background:none;border:0;color:inherit;text-align:left;text-decoration:none}
.person:hover{background:#102025}
.pinfo{min-width:0;flex:1}.pinfo b{display:block}.pinfo small{color:var(--muted);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ptime{font-size:11px;color:var(--muted);align-self:flex-start;margin-top:4px}
.empty{padding:50px 24px;text-align:center;color:var(--muted);font-size:14px;line-height:1.6}
.messages{padding:16px;display:flex;flex-direction:column;gap:6px;background:#071014}
.day{align-self:center;font-size:12px;color:var(--muted);background:#102025;padding:4px 12px;border-radius:20px;margin:8px 0}
.msg{max-width:min(78%,520px);padding:9px 12px;border-radius:16px;line-height:1.4;word-break:break-word}
.msg.mine{align-self:flex-end;background:#0d5f50;border-bottom-right-radius:4px}
.msg.theirs{align-self:flex-start;background:#122026;border-bottom-left-radius:4px}
.msgtext{white-space:pre-wrap}.meta{display:flex;justify-content:flex-end;gap:6px;font-size:11px;color:#b6c6ca;margin-top:3px}.seen{color:#70d8ff}
.composer{flex:none;border-top:1px solid var(--line);display:flex;gap:10px;padding:10px 12px calc(10px + env(safe-area-inset-bottom))}
.composer .input{height:48px;border-radius:16px}
.send{width:48px;height:48px;border:0;border-radius:14px;background:var(--accent);color:#02110d;display:grid;place-items:center;flex:none}
.modal{position:fixed;inset:0;background:#000b;display:none;align-items:center;justify-content:center;padding:18px;z-index:50}
.modal.show{display:flex}.mbox{width:min(420px,100%);background:#0b1418;border:1px solid #ffffff12;border-radius:22px;padding:24px}
.mhead{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.idrow{display:flex;gap:8px;align-items:center;margin:6px 0 18px}.idrow b{font-size:20px;letter-spacing:1px}
.call{position:fixed;inset:0;background:#020607;z-index:100;display:none;flex-direction:column}.call.show{display:flex}
.videoarea{flex:1;position:relative;min-height:0}
.remote{width:100%;height:100%;object-fit:cover;background:#081013}
.local{position:absolute;right:16px;top:16px;width:110px;height:160px;object-fit:cover;border-radius:16px;border:2px solid #ffffff33;background:#111;transform:scaleX(-1)}
.calltop{position:absolute;left:16px;top:16px;background:#0008;padding:10px 14px;border-radius:14px}
.ctrls{padding:20px 20px calc(20px + env(safe-area-inset-bottom));display:flex;justify-content:center;gap:16px;background:#05090b}
.circle{width:52px;height:52px;border:1px solid #ffffff18;border-radius:50%;background:#142026;color:#fff;display:grid;place-items:center}
.circle.off{background:#fff;color:#111}.circle.end{background:var(--danger);border:0}
.incoming{text-align:center}.incoming .avatar{width:84px;height:84px;margin:12px auto;font-size:28px}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translateX(-50%);background:#16272d;border:1px solid var(--line);padding:11px 16px;border-radius:12px;font-size:14px;z-index:200;max-width:90%}
.hero{width:100%;max-width:640px;min-width:0;padding:24px}.hero h1{font-size:clamp(34px,7vw,56px);line-height:1.08;margin:28px 0 16px;letter-spacing:-.02em}
.hero ul{list-style:none;padding:0;margin:28px 0;display:grid;gap:14px}.hero li{padding-left:16px;border-left:2px solid var(--accent);color:#c4d2d7;line-height:1.5}.hero li b{color:var(--text)}
/* loader */
.loader{position:fixed;inset:0;z-index:999;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;transition:opacity .2s}
.loader.hide{opacity:0;pointer-events:none;visibility:hidden}
.spin{width:46px;height:46px;border-radius:50%;border:4px solid #ffffff1a;border-top-color:var(--accent);animation:sp .8s linear infinite}
.ltext{color:var(--muted);font-size:14px;min-height:18px}
@keyframes sp{to{transform:rotate(360deg)}}
/* chat page: keyboard-safe layout (only messages + box move) */
body.chatpage{position:fixed;inset:0;overflow:hidden}
.page.chat{position:fixed;left:0;right:0;top:var(--vt,0px);height:var(--vh,100dvh);max-width:760px;margin:0 auto}
.composer{align-items:center}
.plus{width:48px;height:48px;border:1px solid var(--line);border-radius:14px;background:#102025;color:var(--accent);display:grid;place-items:center;flex:none;position:relative}
.plus svg{width:22px;height:22px}
.waitpop{position:absolute;left:12px;bottom:calc(72px + env(safe-area-inset-bottom));background:#16272d;border:1px solid var(--line);padding:8px 14px;border-radius:12px;font-size:14px;display:none;z-index:20}
.waitpop.show{display:block}
.msg.img{padding:4px}
.msgimg{display:block;max-width:100%;width:240px;max-height:320px;object-fit:cover;border-radius:12px;cursor:zoom-in;background:#0b1418}
.msg.img .meta{padding:0 6px 2px}
.upl{position:relative}
.upl .msgimg{opacity:.55;filter:blur(1px);cursor:default}
.ring{position:absolute;left:50%;top:50%;width:64px;height:64px;transform:translate(-50%,-50%) rotate(-90deg);pointer-events:none}
.ring circle{fill:rgba(0,0,0,.45);stroke-width:4}
.ring .bg{stroke:#ffffff40}.ring .fg{stroke:#fff;stroke-linecap:round;stroke-dasharray:157;stroke-dashoffset:157;transition:stroke-dashoffset .15s}
.pct{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-weight:700;font-size:14px;text-shadow:0 1px 3px #000}
.lightbox{position:fixed;inset:0;background:#000e;z-index:150;display:none;align-items:center;justify-content:center;padding:12px}
.lightbox.show{display:flex}.lightbox img{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px}
/* edit profile */
.editav{position:relative;display:block;cursor:pointer;flex:none}
.editav .cam{position:absolute;right:-2px;bottom:-2px;width:26px;height:26px;border-radius:50%;background:var(--accent);color:#02110d;display:grid;place-items:center;border:2px solid #0b1418}
.editav .cam svg{width:14px;height:14px}
/* ad banner */
.ad{margin:10px 16px;padding:8px;border:1px solid var(--line);border-radius:14px;background:#0b1418;text-align:center;overflow:hidden}
.ad small{display:block;font-size:10px;color:var(--muted);margin-bottom:6px;text-align:left}
.ad img{width:100%;max-height:120px;object-fit:cover;border-radius:10px;display:block}
.adph{height:60px;display:grid;place-items:center;color:var(--muted);font-size:13px;border:1px dashed var(--line);border-radius:10px}
@media(max-width:760px){.page{border:0}.msg{max-width:86%}.local{width:90px;height:128px}.box{padding:24px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}