:root{--ink:#14323c;--lagoon:#1f7a8c;--lagoon-d:#17606f;--mist:#e9f0f2;--paper:#fff;--line:#d3e0e4;--mari:#e3a008;--bad:#b3261e;--ok:#1a7f4b;--muted:#5d747c}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--mist);color:var(--ink);font:16px/1.5 "Trebuchet MS","Segoe UI",system-ui,sans-serif}
a{color:var(--lagoon-d)}
h1,h2{margin:0 0 .4rem;line-height:1.2}
h1{font-size:1.6rem}h2{font-size:1.15rem}
.muted{color:var(--muted);font-size:.9rem}
.wrap{max-width:980px;margin:0 auto;padding:1rem}
.top{background:var(--ink);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.7rem 1rem;flex-wrap:wrap}
.top a{color:#fff;text-decoration:none}
.brand{font-weight:700;font-size:1.1rem;letter-spacing:.02em}
.top nav{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}
.top nav a:hover{text-decoration:underline}
.who{opacity:.7;font-size:.9rem}
.card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:1rem;margin:1rem 0}
.card.narrow{max-width:400px;margin:8vh auto}
.stack{display:grid;gap:.8rem;margin-top:1rem}
label{display:grid;gap:.25rem;font-size:.9rem;color:var(--muted)}
input,select{font:inherit;color:var(--ink);padding:.6rem .7rem;border:1px solid var(--line);border-radius:6px;background:#fff;min-width:0;width:100%}
input:focus,select:focus,button:focus-visible,a:focus-visible{outline:3px solid #8fd0dc;outline-offset:1px}
.btn{font:inherit;font-weight:600;background:var(--lagoon);color:#fff;border:0;border-radius:6px;padding:.6rem 1rem;cursor:pointer;text-decoration:none;display:inline-block;white-space:nowrap}
.btn:hover{background:var(--lagoon-d)}
.btn.light{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.light:hover{background:var(--mist)}
.btn.danger{background:#fff;color:var(--bad);border:1px solid #e3b5b1}
.flash{padding:.7rem 1rem;border-radius:6px;margin:.5rem 0;background:#e3f4ea;color:var(--ok);border:1px solid #b9e0c9}
.flash.bad{background:#fbe9e7;color:var(--bad);border-color:#efc1bc}

/* webhook strip */
.hook{background:var(--lagoon);color:#fff;border-radius:10px;padding:1rem 1.2rem;margin:1rem 0;display:grid;gap:.8rem;border-left:10px solid var(--mari)}
.hook p{margin:0;opacity:.9;font-size:.92rem}
.hook-url{display:flex;gap:.5rem}
.hook-url input{font-family:Consolas,Menlo,monospace;font-size:.85rem;background:rgba(255,255,255,.95)}
.hook-url.small input{background:var(--mist);font-size:.78rem}

/* period tabs */
.tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:.6rem;margin:1rem 0}
.tabs.static{grid-template-columns:repeat(3,1fr)}
.tabs button,.tabs.static div{font:inherit;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:.8rem .5rem;text-align:center;cursor:pointer;color:var(--ink);display:grid;gap:.1rem}
.tabs.static div{cursor:default}
.tabs b{font-size:1.8rem;line-height:1}
.tabs span{font-size:.85rem;color:var(--muted)}
.tabs button.on{background:var(--ink);border-color:var(--ink)}
.tabs button.on b,.tabs button.on span{color:#fff}

.bar{display:flex;justify-content:space-between;align-items:center;gap:.8rem;flex-wrap:wrap;margin-bottom:.6rem}
.bar input{max-width:280px}
.list{display:grid}
.sms{display:grid;grid-template-columns:40px 1fr;gap:.8rem;padding:.8rem 0;border-top:1px solid var(--line)}
.sms:first-child{border-top:0}
.av{width:40px;height:40px;border-radius:50%;background:var(--mist);color:var(--lagoon-d);display:grid;place-items:center;font-weight:700}
.meta{display:flex;justify-content:space-between;gap:.5rem;flex-wrap:wrap}
.meta strong{word-break:break-all}
.meta time{color:var(--muted);font-size:.82rem}
.body{margin:.15rem 0 0;white-space:pre-wrap;word-break:break-word}
.sim{font-size:.72rem;background:#fff4d6;color:#7a5600;border-radius:4px;padding:0 .4rem;margin-left:.4rem}
.empty{padding:1.5rem .5rem;color:var(--muted);text-align:center}
.pager{display:flex;justify-content:center;align-items:center;gap:1rem;padding-top:.8rem;color:var(--muted);font-size:.9rem}
.pager button:disabled{opacity:.4;cursor:default}

/* admin */
.grid-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.8rem;align-items:end;margin-top:.6rem}
.urow{display:grid;gap:.6rem;padding:.9rem 0;border-top:1px solid var(--line)}
.urow:first-child{border-top:0}
.urow.off{opacity:.6}
.uinfo{display:grid}
.uact{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center}
form.inline{display:flex;gap:.4rem}
form.inline input{width:140px;padding:.5rem}
.btn{padding:.5rem .8rem}

@media (max-width:560px){
  .tabs{grid-template-columns:repeat(2,1fr)}
  .tabs.static{grid-template-columns:repeat(3,1fr)}
  .bar input{max-width:none;width:100%}
}
@media (prefers-reduced-motion:no-preference){.btn{transition:background .15s}}