:root{--bg:#05080d;--side:#08121a;--panel:#0d1a24;--panel2:#101f2b;--cyan:#18e4f2;--brown:#b77943;--white:#f6fbff;--text:#d7e6ed;--muted:#8fa5b2;--line:rgba(255,255,255,.09);--linec:rgba(24,228,242,.22);--danger:#ff5b6e;--success:#39ffb6;--radius:20px;--font:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:linear-gradient(135deg,#04070b,#07131b);color:var(--white);min-height:100vh}a{text-decoration:none;color:inherit}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(460px,100%);padding:34px;border-radius:28px;background:rgba(13,26,36,.94);border:1px solid var(--linec);box-shadow:0 28px 90px rgba(0,0,0,.5)}.login-card img{width:120px;margin:0 auto 18px}.app{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:rgba(8,18,26,.96);border-right:1px solid var(--line);padding:24px 18px;overflow:auto}.brand{display:flex;align-items:center;gap:12px;margin-bottom:28px}.brand img{width:54px;height:54px;object-fit:contain}.brand strong{font-size:14px;letter-spacing:.08em}.brand span{color:var(--cyan)}.nav{display:grid;gap:8px}.nav a{padding:13px 14px;border-radius:14px;color:#bad0da;font-weight:750;font-size:14px}.nav a:hover,.nav a.active{background:rgba(24,228,242,.1);color:var(--cyan)}.main{padding:28px;min-width:0}.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;gap:18px}.top h1{font-size:32px;letter-spacing:-.04em}.user{color:var(--muted);font-size:14px}.grid{display:grid;gap:18px}.grid.cols-4{grid-template-columns:repeat(4,1fr)}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}.card{background:rgba(13,26,36,.92);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 18px 50px rgba(0,0,0,.18)}.stat b{display:block;font-size:34px;color:var(--cyan);letter-spacing:-.04em}.stat span{color:var(--muted);font-size:13px}.table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line)}table{width:100%;border-collapse:collapse;min-width:760px;background:rgba(255,255,255,.02)}th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--cyan);font-size:12px;text-transform:uppercase;letter-spacing:.1em}td{color:#d5e5ec;font-size:14px}.badge{display:inline-flex;padding:5px 9px;border-radius:999px;background:rgba(24,228,242,.1);color:var(--cyan);font-size:12px;font-weight:800}.badge.danger{background:rgba(255,91,110,.1);color:var(--danger)}.badge.success{background:rgba(57,255,182,.1);color:var(--success)}.form{display:grid;gap:14px}.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.field,label select,label textarea,label input{width:100%}.field,input,select,textarea{border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--white);border-radius:14px;padding:13px 14px;outline:0}textarea{min-height:150px;resize:vertical}label{display:grid;gap:7px;color:#cfe0e7;font-weight:760;font-size:14px}.help{color:var(--muted);font-size:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 16px;border-radius:999px;border:1px solid var(--linec);font-weight:900;font-size:13px;cursor:pointer;background:rgba(24,228,242,.08);color:var(--white)}.btn.primary{background:linear-gradient(135deg,var(--cyan),#0aa6ba);color:#021014}.btn.danger{border-color:rgba(255,91,110,.34);background:rgba(255,91,110,.1);color:#ffadba}.actions{display:flex;flex-wrap:wrap;gap:8px}.flash{padding:13px 15px;border:1px solid var(--linec);background:rgba(24,228,242,.08);border-radius:14px;margin-bottom:18px;color:#dffcff}.flash.error{border-color:rgba(255,91,110,.3);background:rgba(255,91,110,.08);color:#ffd6dc}.qr-box{display:grid;grid-template-columns:160px 1fr;gap:18px;align-items:center}.qr-box img{width:160px;height:160px;background:white;padding:8px;border-radius:14px}.public-url{word-break:break-all;color:var(--cyan)}.color-dot{display:inline-block;width:18px;height:18px;border-radius:50%;border:1px solid var(--line);vertical-align:middle}.small{font-size:12px;color:var(--muted)}@media(max-width:1000px){.app{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.grid.cols-4,.grid.cols-3,.grid.cols-2,.form-row{grid-template-columns:1fr}.main{padding:18px}.top{align-items:flex-start;flex-direction:column}.qr-box{grid-template-columns:1fr}}


/* Conversaciones: chat web y WhatsApp */
.conversations-layout{display:grid;grid-template-columns:380px 1fr;gap:18px;align-items:start}.conversation-list-card,.conversation-detail-card{min-height:520px}.conversation-list{display:grid;gap:10px;max-height:720px;overflow:auto;padding-right:4px}.conversation-item{display:grid;gap:7px;padding:14px;border-radius:16px;background:rgba(255,255,255,.035);border:1px solid var(--line);color:var(--text)}.conversation-item:hover,.conversation-item.active{border-color:var(--linec);background:rgba(24,228,242,.08)}.conversation-item strong{font-size:15px}.conversation-item p{color:var(--muted);font-size:13px;line-height:1.45}.conversation-item small{color:var(--muted);font-size:12px}.conversation-headline{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.message-thread{display:grid;gap:12px;max-height:620px;overflow:auto;padding:14px;border-radius:18px;background:rgba(0,0,0,.18);border:1px solid var(--line)}.message-bubble{width:min(78%,760px);padding:13px 15px;border-radius:18px;background:rgba(255,255,255,.055);border:1px solid var(--line)}.message-bubble.out{justify-self:end;background:rgba(24,228,242,.09);border-color:rgba(24,228,242,.2)}.message-bubble.error{border-color:rgba(255,91,110,.35);background:rgba(255,91,110,.08)}.message-meta{font-size:11px;color:var(--muted);margin-bottom:7px}.message-text{font-size:14px;line-height:1.58;color:#e6f5fb}.reply-box{margin-top:18px}.public-url{word-break:break-all;color:var(--cyan)}
@media(max-width:1000px){.conversations-layout{grid-template-columns:1fr}.message-bubble{width:100%}.conversation-headline{flex-direction:column}}

/* Correo / MTA administrativo */
.mail-layout{display:grid;grid-template-columns:430px 1fr;gap:18px;align-items:start}.mail-list-card,.mail-detail-card{min-height:620px}.mail-summary{display:flex;align-items:center;justify-content:space-between;gap:12px}.mail-list{display:grid;gap:10px;max-height:720px;overflow:auto;padding-right:4px}.mail-item{display:grid;gap:7px;padding:14px;border-radius:16px;background:rgba(255,255,255,.035);border:1px solid var(--line);color:var(--text)}.mail-item:hover,.mail-item.active{border-color:var(--linec);background:rgba(24,228,242,.08)}.mail-item.unseen strong,.mail-item.unseen p{color:#fff}.mail-item.seen{opacity:.78}.mail-item-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.mail-item-top strong{font-size:14px;line-height:1.35}.mail-item-top small{white-space:nowrap;color:var(--muted)}.mail-item p{font-size:14px;line-height:1.45}.mail-detail-head{display:grid;gap:8px}.mail-detail-head h2{font-size:24px;letter-spacing:-.03em}.mail-detail-head p{color:#d8e9ef;font-size:14px}.mail-body{white-space:normal;line-height:1.68;color:#e8f6fb;background:rgba(0,0,0,.18);border:1px solid var(--line);border-radius:18px;padding:18px;max-height:720px;overflow:auto}.empty-state{min-height:420px;display:grid;place-content:center;text-align:center;gap:10px}@media(max-width:1100px){.mail-layout{grid-template-columns:1fr}.mail-list-card,.mail-detail-card{min-height:auto}}

/* ── Security module ── */
.badge-2fa{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:900}
.badge-2fa.on{background:rgba(57,255,182,.12);color:#39ffb6;border:1px solid rgba(57,255,182,.3)}
.badge-2fa.off{background:rgba(255,91,110,.1);color:#ff8a96;border:1px solid rgba(255,91,110,.25)}