/* =====================================================================
   AstraNet — tema grafico "Astra"
   Pannelli sospesi su cielo blu notte, accenti verde energia.
   Colori ufficiali Astracomm: blu notte #142137 · verde #86CF3D
   ===================================================================== */
@font-face{font-family:"Sora";src:url(/fonts/sora.woff2) format("woff2");font-weight:100 800;font-display:swap}
@font-face{font-family:"Manrope";src:url(/fonts/manrope.woff2) format("woff2");font-weight:200 800;font-display:swap}

:root{
  --navy:#142137; --navy-2:#1C2D49; --navy-3:#263B5E;
  --green:#86CF3D; --green-2:#9ADB56; --green-ink:#3B7310;
  --brand:var(--navy); --brand-2:var(--navy-2); --brand-soft:#EDF7E3; --brand-ink:var(--navy);
  --accent:var(--green); --accent-ink:var(--green-ink);
  --bg:#F3F5F8; --panel:#FFFFFF; --line:#E4E8EE; --hover:#F1F4F8; --rail:transparent;
  --ink:#142137; --ink-2:#4A5668; --ink-3:#7F8A9A;
  --mine:var(--navy); --mine-ink:#FFFFFF;
  --radius:18px; --shadow:0 18px 40px rgba(6,12,24,.28);
  --card-shadow:0 1px 0 rgba(255,255,255,.04) inset, 0 12px 32px rgba(4,10,22,.25);
  --sky:
    radial-gradient(900px 520px at 88% -8%, rgba(134,207,61,.22), transparent 62%),
    radial-gradient(700px 500px at -10% 110%, rgba(64,110,190,.35), transparent 60%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cg fill='%23ffffff'%3E%3Ccircle cx='12' cy='18' r='1' opacity='.35'/%3E%3Ccircle cx='96' cy='40' r='.8' opacity='.25'/%3E%3Ccircle cx='140' cy='120' r='1.1' opacity='.3'/%3E%3Ccircle cx='54' cy='138' r='.7' opacity='.2'/%3E%3Ccircle cx='120' cy='8' r='.6' opacity='.3'/%3E%3C/g%3E%3Cpath d='M70 76c1 6 3 8 9 9-6 1-8 3-9 9-1-6-3-8-9-9 6-1 8-3 9-9z' fill='%2386CF3D' opacity='.35'/%3E%3C/svg%3E"),
    linear-gradient(165deg,#101B2E 0%,#142137 45%,#1B2C48 100%);
}
@media (prefers-color-scheme:dark){:root{
  --brand:var(--green); --brand-2:var(--green-2); --brand-soft:#22331C; --brand-ink:#C4EB9C;
  --accent-ink:var(--green-2);
  --bg:#141A24; --panel:#1B2230; --line:#2B3545; --hover:#232C3B;
  --ink:#EEF2F7; --ink-2:#B5C0CF; --ink-3:#7E8A9C;
  --mine:#2A4470; --mine-ink:#FFFFFF;
  --sky:
    radial-gradient(900px 520px at 88% -8%, rgba(134,207,61,.16), transparent 62%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cg fill='%23ffffff'%3E%3Ccircle cx='12' cy='18' r='1' opacity='.3'/%3E%3Ccircle cx='96' cy='40' r='.8' opacity='.2'/%3E%3Ccircle cx='140' cy='120' r='1.1' opacity='.25'/%3E%3C/g%3E%3Cpath d='M70 76c1 6 3 8 9 9-6 1-8 3-9 9-1-6-3-8-9-9 6-1 8-3 9-9z' fill='%2386CF3D' opacity='.3'/%3E%3C/svg%3E"),
    linear-gradient(165deg,#080D17,#0D1524);
}}

/* ---------- tipografia ---------- */
body{font-family:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:14.5px;letter-spacing:.005em}
.logo span,.side-h,.mh .ttl,.res-h h2,.center h3,.modal h3,.auth-card h1,.auth-app b,.group,.tbl th{font-family:"Sora","Manrope",sans-serif;letter-spacing:-.01em}

/* ---------- guscio: cielo blu notte con pannelli sospesi ---------- */
html,body{background:#142137}
.app{background:var(--sky);background-attachment:fixed}
.top{background:transparent;padding:0 16px 0 18px}
.logo{font-size:17px}
.logo .mark{width:30px;height:30px;border-radius:9px;background:#fff;padding:4px;box-shadow:0 0 0 3px rgba(134,207,61,.25)}
.search input{height:36px;border-radius:999px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.12);padding-left:38px}
.search svg{top:10px;left:13px}
.search input:focus{background:#fff;color:var(--navy);border-color:var(--green);box-shadow:0 0 0 4px rgba(134,207,61,.25)}
.me-btn{box-shadow:0 0 0 2px rgba(134,207,61,.7);border-radius:12px}
.me-btn .ini,.me-btn img{border-radius:12px}
.me-btn .st{border-color:#142137}
.body{grid-template-columns:76px 310px 1fr;gap:10px;padding:2px 12px 12px 0}
.side,.main{border-radius:var(--radius);box-shadow:var(--card-shadow);overflow:hidden;border:0}
.side{background:var(--panel)}
.main{background:var(--bg)}
.conn{border-radius:12px;margin:0 12px 8px}

/* ---------- barra icone ---------- */
.rail{border:0;padding-top:4px;gap:6px}
.rail button{width:58px;height:58px;border-radius:16px;color:rgba(255,255,255,.62);font-weight:600;font-size:10.5px}
.rail button:hover{background:rgba(255,255,255,.07);color:#fff}
.rail button.on{color:var(--green);background:rgba(134,207,61,.14);box-shadow:inset 0 0 0 1px rgba(134,207,61,.35)}
.rail button.on::before{display:none}
.rail .badge{top:5px;right:8px;background:var(--green);color:var(--navy);box-shadow:0 0 0 2px #142137}

/* ---------- barra laterale ---------- */
.side-h{font-size:19px;font-weight:700;padding:18px 16px 12px}
.side-h .icon-btn{width:34px;height:34px;border-radius:11px;background:var(--brand-soft);color:var(--navy)}
.side-h .icon-btn:hover{background:var(--green);color:var(--navy)}
.group{padding:6px 10px 8px;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);font-weight:700}
.group .tile{width:24px;height:24px;border-radius:8px;background:var(--navy);color:var(--green);font-size:11px}
.side-list{padding:0 10px 14px}
.item{border-radius:12px;min-height:38px;padding:8px 10px;transition:background .15s}
.item.ch{padding-left:12px}
.item .ch-ic{width:26px;height:26px;border-radius:8px;background:var(--hover);color:var(--ink-2)}
.item.on{background:var(--navy);box-shadow:none}
.item.on .nm{color:#fff}
.item.on .ch-ic{background:rgba(134,207,61,.18);color:var(--green)}
.item.on .prev,.item.on .when{color:rgba(255,255,255,.65)}
.item.unread .nm{color:var(--ink)}
.item .badge{background:var(--green)!important;color:var(--navy)}
.item.dm{min-height:58px}
.dm-txt .when{font-weight:600}
@media (prefers-color-scheme:dark){
  .item.on{background:var(--brand-soft)} .item.on .nm{color:var(--brand-ink)}
  .side-h .icon-btn{color:var(--green)}
}
.notif-tip{border-radius:14px;background:linear-gradient(135deg,var(--navy),var(--navy-3));color:#fff}
.notif-tip button{color:var(--green)}

/* ---------- avatar a "squircle" ---------- */
.ini,.av{border-radius:30%!important}
.st{width:12px;height:12px;border-radius:50%;right:-2px;bottom:-2px;border-width:2.5px}
.st.online{background:var(--green)}
.stack .ini{border-radius:30%!important}

/* ---------- intestazione conversazione ---------- */
.mh{background:var(--panel);border-bottom:1px solid var(--line);min-height:64px;padding:0 18px}
.mh .ttl{font-size:17px}
.ch-tile{width:38px;height:38px;border-radius:12px;background:var(--navy);color:var(--green)}
.tabs button{border-radius:999px;margin:14px 2px;padding:0 14px;height:34px}
.tabs button.on{background:var(--brand-soft);color:var(--navy)}
.tabs button.on::after{display:none}
@media (prefers-color-scheme:dark){.tabs button.on{color:var(--brand-ink)}}

/* ---------- messaggi ---------- */
.msgs{padding:18px 26px 10px}
.day{color:var(--ink-3)}
.day::before,.day::after{background:transparent}
.day span{background:var(--panel);border:1px solid var(--line);padding:3px 12px;border-radius:999px;font-size:11.5px;font-weight:700;letter-spacing:.02em}
.bubble{border-radius:18px;border-top-left-radius:6px;padding:9px 14px 10px;box-shadow:0 1px 2px rgba(20,33,55,.06),0 4px 14px rgba(20,33,55,.05)}
.msg.grouped .bubble{border-top-left-radius:18px}
.msg.mine .bubble{background:var(--mine);color:var(--mine-ink);border-radius:18px;border-top-right-radius:6px;box-shadow:0 6px 18px rgba(20,33,55,.18)}
.msg.mine.grouped .bubble{border-top-right-radius:18px}
.msg.mine .meta,.msg.mine .meta time{color:rgba(255,255,255,.62)}
.msg.mine .txt a,.msg.mine .mention{color:var(--green-2)}
.msg.mine .txt code{background:rgba(255,255,255,.12)}
.msg.mine .file{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#fff}
.msg.mine .file .fs{color:rgba(255,255,255,.6)}
.meta b{font-family:"Sora","Manrope",sans-serif;font-size:13px}
.mention{background:rgba(134,207,61,.16);padding:0 4px;border-radius:6px}
.file{border-radius:12px}
.file .fi{border-radius:8px}
.att-img{border-radius:12px}
.acts{border-radius:10px;top:-16px}
.msg.flash .bubble{animation:flash 1.8s ease}
@keyframes flash{0%,40%{box-shadow:0 0 0 3px var(--green)}100%{}}

/* ---------- barra di scrittura a capsula ---------- */
.typing{padding:0 30px;color:var(--green-ink);font-weight:600;font-style:normal}
@media (prefers-color-scheme:dark){.typing{color:var(--green)}}
.comp-wrap{padding:0 22px 18px}
.comp{border-radius:24px;border:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--panel);box-shadow:0 8px 24px rgba(20,33,55,.08);transition:box-shadow .2s,border-color .2s}
.comp:focus-within{border-color:var(--green);border-bottom-color:var(--green);box-shadow:0 0 0 4px rgba(134,207,61,.18),0 8px 24px rgba(20,33,55,.08)}
.comp textarea{padding:13px 18px 4px}
.comp .bar{padding:2px 8px 8px}
.send{width:38px;height:38px;border-radius:50%;background:var(--green);color:var(--navy)}
.send:not(:disabled):hover{background:var(--green-2)}
.send:disabled{background:var(--hover);color:var(--ink-3)}
.pending{border-radius:14px}
.ro{border-radius:18px}

/* ---------- pulsanti, chip, modali ---------- */
.btn{border-radius:999px;height:36px;padding:0 18px;font-weight:700}
.btn.pri{background:var(--green);border-color:var(--green);color:var(--navy)}
.btn.pri:hover{background:var(--green-2);border-color:var(--green-2)}
.btn.danger{border-radius:999px}
.icon-btn{border-radius:10px}
.chip{border-radius:999px;font-weight:700}
.chip.on{background:var(--navy);border-color:var(--navy);color:var(--green)}
.scrim{background:rgba(8,14,26,.55);backdrop-filter:blur(4px)}
.modal{border-radius:22px}
.modal h3{padding:22px 24px 6px;font-size:18px}
.modal .mb{padding:8px 24px}
.modal .mf{padding:12px 24px 22px}
.fld input,.fld textarea{border-radius:12px;padding:10px 12px}
.fld input:focus,.fld textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(134,207,61,.2)}
.menu{border-radius:16px;padding:8px}
.menu button{border-radius:10px}
.pchip{background:var(--navy);color:#fff}
.pick{border-radius:12px}
.toast{background:var(--navy);border-radius:999px;padding:11px 20px;box-shadow:0 10px 30px rgba(0,0,0,.3);border:1px solid rgba(134,207,61,.4)}
.res{border-radius:16px}
.tbl{border-radius:16px}
.tag{border-radius:999px;background:var(--navy);color:var(--green)}
.tag.off{background:var(--hover);color:var(--ink-3)}
.spin{border-top-color:var(--green)}
.badge{font-weight:800}
.center svg{color:var(--green)}

/* ---------- pagina di accesso ---------- */
.auth{background:var(--sky)}
.auth-card{border-radius:26px;padding:34px 32px;box-shadow:0 30px 70px rgba(0,0,0,.4)}
.auth-card h1{font-size:22px}
.auth-card .btn{height:44px}
.auth-app{border-radius:14px;background:linear-gradient(135deg,var(--navy),var(--navy-3))}
.auth-app b{color:#fff}
.auth-app span{color:rgba(255,255,255,.7)}

/* ---------- mobile ---------- */
@media (max-width:760px){
  .body{padding:0 8px 0 8px;gap:0;grid-template-columns:1fr}
  .side,.main{border-radius:18px 18px 0 0}
  .rail{gap:10px}
  .rail button{height:50px;width:64px;border-radius:14px}
  .msgs{padding:12px 12px 8px}
  .comp-wrap{padding:0 10px 10px}
  .app.m-conv .body{padding:0}
  .app.m-conv .main{border-radius:18px 18px 0 0}
}
@media (prefers-color-scheme:dark){.ch-tile,.group .tile{background:#22331C;color:var(--green)}}
@media (max-width:760px){.comp .bar .hint{display:none}.side-list{padding-bottom:20px}}