:root{--ink:#0f1b2d;--muted:#5d6b7f;--line:#e2e8f0;--bg:#f5f7fa;--card:#fff;--brand:#0e9183;--brand-ink:#075a51;--brand-tint:#e6f5f3;--warn:#b45309;--warn-tint:#fef3c7;--bad:#b42318;--bad-tint:#fde8e6;--ok:#157347;--ok-tint:#e3f4ea;--radius:10px}
*{box-sizing:border-box}
body{margin:0;font-family:"DM Sans",system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5;font-size:15px}
a{color:var(--brand-ink)}
h1,h2,h3{font-family:Manrope,"DM Sans",sans-serif;margin:0 0 .4em;line-height:1.2}
h1{font-size:1.55rem}h2{font-size:1.15rem}h3{font-size:1rem}
.topbar{background:#071325;color:#fff;display:flex;align-items:center;gap:1.25rem;padding:.7rem 1.25rem;flex-wrap:wrap}
.topbar .brand{font-family:Manrope,sans-serif;font-weight:800;color:#fff;text-decoration:none;font-size:1.1rem}
.topbar .brand span{color:#4ce0d2}
.topbar nav{display:flex;gap:.25rem;flex-wrap:wrap;flex:1}
.topbar nav a{color:#cdd8e6;text-decoration:none;padding:.35rem .7rem;border-radius:8px;font-size:.92rem}
.topbar nav a:hover{background:#13233b;color:#fff}
.topbar nav a.on{background:#13233b;color:#4ce0d2}
.topbar .who{font-size:.85rem;color:#9fb0c5;display:flex;align-items:center;gap:.75rem}
.topbar .who button{background:none;border:1px solid #2a3d5c;color:#cdd8e6;border-radius:8px;padding:.25rem .65rem;cursor:pointer;font:inherit;font-size:.85rem}
main.page{max-width:1100px;margin:0 auto;padding:1.5rem 1.25rem 3rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem 1.25rem;margin-bottom:1rem}
.sub{color:var(--muted);margin:.1rem 0 1rem}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:.6rem .5rem;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600}
tr:last-child td{border-bottom:0}
.pill{display:inline-block;padding:.1rem .55rem;border-radius:99px;font-size:.78rem;font-weight:600;background:var(--line);color:var(--muted)}
.pill.on,.pill.ok{background:var(--ok-tint);color:var(--ok)}
.pill.off{background:var(--line);color:var(--muted)}
.pill.warn{background:var(--warn-tint);color:var(--warn)}
.pill.bad{background:var(--bad-tint);color:var(--bad)}
.btn{font:inherit;font-size:.9rem;border:1px solid var(--line);background:#fff;color:var(--ink);padding:.4rem .85rem;border-radius:8px;cursor:pointer;text-decoration:none;display:inline-block}
.btn:hover{border-color:#b9c4d3}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-ink)}
.btn.danger{color:var(--bad);border-color:#f1b8b2}
.btn.small{padding:.2rem .6rem;font-size:.82rem}
label{display:block;font-weight:600;font-size:.88rem;margin:.8rem 0 .25rem}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=color],select,textarea{font:inherit;width:100%;padding:.5rem .65rem;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:var(--ink)}
input[type=color]{padding:.15rem;height:2.4rem;width:5rem}
textarea{min-height:5rem}
.row{display:flex;gap:1rem;flex-wrap:wrap}.row>*{flex:1;min-width:220px}
.alert{border-radius:8px;padding:.7rem .9rem;margin-bottom:1rem;border:1px solid}
.alert.ok{background:var(--ok-tint);border-color:#b7e0c8;color:var(--ok)}
.alert.bad{background:var(--bad-tint);border-color:#f1b8b2;color:var(--bad)}
.alert.warn{background:var(--warn-tint);border-color:#f2d58a;color:var(--warn)}
.alert code{background:#fff;padding:.1rem .4rem;border-radius:5px;color:var(--ink);font-size:.95em}
.actions{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;flex-wrap:wrap;margin-bottom:.5rem}
.muted{color:var(--muted)}.small{font-size:.85rem}
.grid-mod{border:1px solid var(--line);border-radius:8px;margin-bottom:1rem;overflow:hidden}
.grid-mod h3{margin:0;padding:.55rem .8rem;background:#f8fafc;border-bottom:1px solid var(--line)}
.grid-mod table th,.grid-mod table td{padding:.4rem .8rem;text-align:center}
.grid-mod table th:first-child,.grid-mod table td:first-child{text-align:left;width:34%}
.check{display:inline-flex;align-items:center;gap:.4rem;font-weight:400;margin:0}
.check input{width:auto}
.auth{min-height:100vh;display:grid;place-items:center;padding:1.25rem}
.auth .box{width:100%;max-width:400px}
.auth .brand{font-family:Manrope,sans-serif;font-weight:800;font-size:1.6rem;text-align:center;margin-bottom:1.25rem;color:var(--ink)}
.auth .brand span{color:var(--brand)}
@media (max-width:640px){main.page{padding:1rem .75rem 2rem}.grid-mod table th,.grid-mod table td{padding:.35rem .4rem}}

/* ---- phase 4: messaging screens ---- */
.subnav{display:flex;gap:.25rem;flex-wrap:wrap;margin:0 0 1.1rem;border-bottom:1px solid var(--line)}
.subnav a{padding:.5rem .8rem;color:var(--muted);text-decoration:none;font-weight:600;font-size:.92rem;border-bottom:2px solid transparent;margin-bottom:-1px}
.subnav a:hover{color:var(--ink)}
.subnav a.on{color:var(--brand-ink);border-color:var(--brand)}
details.item{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);margin-bottom:.6rem}
details.item>summary{cursor:pointer;padding:.7rem 1rem;display:flex;gap:.6rem;align-items:center;flex-wrap:wrap;list-style:none}
details.item>summary::-webkit-details-marker{display:none}
details.item>summary::after{content:"›";margin-left:auto;color:var(--muted);transition:transform .15s}
details.item[open]>summary::after{transform:rotate(90deg)}
details.item[open]>summary{border-bottom:1px solid var(--line)}
details.item .inner{padding:.2rem 1rem 1rem}
.grow{flex:1}
.stats-row{display:flex;gap:.75rem;flex-wrap:wrap;margin:.5rem 0 1rem}
.stats-row div{flex:1;min-width:110px;border:1px solid var(--line);border-radius:8px;padding:.6rem .8rem;background:#fff}
.stats-row b{display:block;font-size:1.3rem;font-family:Manrope,sans-serif}
.stats-row span{color:var(--muted);font-size:.8rem}
.cond-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.5rem;margin-bottom:.4rem}
.filters{display:flex;gap:.6rem;flex-wrap:wrap;align-items:end;margin-bottom:1rem}
.filters>div{min-width:140px}
.filters label{margin-top:0}
.snip{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.copybox{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85rem}
.pager{display:flex;gap:.5rem;align-items:center;justify-content:center;margin-top:1rem}
.hint{color:var(--muted);font-size:.85rem;margin:.25rem 0 0}
.tag-pick{display:flex;flex-wrap:wrap;gap:.4rem .9rem;margin:.2rem 0}
@media (max-width:640px){.cond-row{grid-template-columns:1fr}}