:root{--cream:#fbf8f2;--paper:#fffdf9;--turq:#bfe7e3;--teal:#6fb7b0;--teal-d:#3f8f8a;--sky:#a9c8e0;--navy:#2c3e5c;--grey:#eef0ef;--line:#e4e6e4;--muted:#7b8794}
*{box-sizing:border-box}
body{margin:0;font-family:"Nunito","Segoe UI",system-ui,sans-serif;background:linear-gradient(160deg,#eaf6f4,#f4efe6);color:var(--navy);min-height:100vh}
button{font:inherit;cursor:pointer}
input{font:inherit}
:focus-visible{outline:3px solid var(--sky);outline-offset:2px}
.app{max-width:440px;margin:0 auto;min-height:100vh;background:var(--cream);display:flex;flex-direction:column;box-shadow:0 0 40px rgba(44,62,92,.08);position:relative}
.top{padding:18px 18px 8px;display:flex;align-items:center;gap:10px}
.brand{font-weight:800;font-size:22px;letter-spacing:-.3px;flex:1}
.brand small{display:block;font-weight:600;font-size:12px;color:var(--muted)}
.search{margin:4px 18px 10px;padding:12px 16px;border-radius:16px;border:1px solid var(--line);background:var(--paper);width:calc(100% - 36px)}
.stories{display:flex;gap:14px;overflow-x:auto;padding:6px 18px 14px}
.story{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:12px;border:0;background:none;color:var(--navy)}
.ring{padding:3px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--sky))}
.ring.seen{background:var(--line)}
.ring .av{border:2px solid var(--cream)}
.av{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;flex-shrink:0}
.av.group{border-radius:16px}
.list{flex:1;overflow-y:auto;padding:0 8px 100px}
.row{display:flex;gap:12px;align-items:center;padding:12px 10px;border-radius:18px;border:0;background:none;width:100%;text-align:left;color:inherit;transition:background .2s}
.row:hover{background:var(--grey)}
.row .mid{flex:1;min-width:0}
.name{font-weight:700;display:flex;gap:6px;align-items:center}
.last{color:var(--muted);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.meta{display:flex;flex-direction:column;align-items:flex-end;gap:5px;font-size:12px;color:var(--muted)}
.unread{background:var(--teal);color:#fff;border-radius:10px;padding:1px 8px;font-weight:700}
.streak{font-size:12px;background:#fdf0dc;color:#a2692a;border-radius:10px;padding:1px 7px}
.fab{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;border:0;border-radius:24px;padding:15px 26px;font-weight:800;box-shadow:0 8px 24px rgba(44,62,92,.25)}
.sheet{position:fixed;inset:0;background:rgba(44,62,92,.3);display:flex;align-items:flex-end;justify-content:center;z-index:5;animation:fade .2s}
.panel{background:var(--paper);width:100%;max-width:440px;border-radius:28px 28px 0 0;padding:22px;animation:up .25s ease}
@keyframes up{from{transform:translateY(40px);opacity:0}}
@keyframes fade{from{opacity:0}}
.panel h2{margin:0 0 6px}
.opt{display:flex;gap:14px;align-items:center;width:100%;padding:16px;border-radius:18px;border:1px solid var(--line);background:var(--cream);margin-top:10px;text-align:left;color:inherit}
.opt b{display:block}
.opt span{color:var(--muted);font-size:13px}
.phone{display:flex;gap:8px;margin:16px 0}
.phone select,.phone input{border:1px solid var(--line);border-radius:16px;padding:14px;background:#fff;font-size:20px;color:var(--navy)}
.phone input{flex:1;min-width:0;letter-spacing:1px}
.btn{width:100%;border:0;border-radius:18px;padding:15px;background:var(--teal-d);color:#fff;font-weight:800;font-size:16px}
.btn:disabled{opacity:.45}
.btn.ghost{background:var(--grey);color:var(--navy);margin-top:8px}
.note{font-size:13px;color:var(--muted);line-height:1.5}
.found{display:flex;gap:14px;align-items:center;padding:16px;background:#eaf6f4;border-radius:18px;margin-bottom:12px}
.err{color:#a14a4a;font-size:14px}
.chathead{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line);background:var(--paper)}
.back{border:0;background:var(--grey);border-radius:12px;padding:8px 12px;color:var(--navy)}
.msgs{flex:1;overflow-y:auto;padding:16px 14px;display:flex;flex-direction:column;gap:8px;background:var(--cream)}
.b{max-width:78%;padding:10px 14px;border-radius:20px;background:var(--grey);align-self:flex-start;position:relative;box-shadow:0 1px 3px rgba(44,62,92,.06);border:0;text-align:left;color:inherit}
.b.me{align-self:flex-end;background:var(--turq);border-bottom-right-radius:6px}
.b:not(.me){border-bottom-left-radius:6px}
.b .t{font-size:11px;color:var(--muted);margin-top:3px;text-align:right}
.b .who{font-size:12px;font-weight:700;color:var(--teal-d)}
.quote{font-size:12px;border-left:3px solid var(--teal);padding-left:7px;margin-bottom:4px;color:var(--muted)}
.rx{position:absolute;bottom:-12px;right:8px;background:#fff;border-radius:10px;padding:0 5px;font-size:13px;box-shadow:0 1px 4px rgba(0,0,0,.1)}
.tools{display:flex;gap:6px;align-self:center;background:#fff;border-radius:20px;padding:6px 10px;box-shadow:0 4px 14px rgba(44,62,92,.12)}
.tools button{border:0;background:none;font-size:18px}
.compose{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--line);background:var(--paper);align-items:center}
.compose input{flex:1;min-width:0;border:1px solid var(--line);border-radius:20px;padding:12px 16px;background:#fff}
.send{border:0;border-radius:50%;width:44px;height:44px;background:var(--teal-d);color:#fff;font-size:18px}
.replybar{display:flex;justify-content:space-between;padding:8px 14px;background:#eaf6f4;font-size:13px}
.replybar button{border:0;background:none;color:var(--navy)}
.tick{color:var(--muted);font-size:11px}