:root{
  --primary:#6576ff; --primary-d:#5a4fe0;
  --bg:#fff; --line:#e5e9f2; --line-2:#eef1f7;
  --text:#364a63; --head:#1c2b46; --muted:#8094ae; --muted-2:#a7b3c9;
  --hover:#f8f9fc; --sel:#f5f6ff;
  --green-bg:#d6fbf0; --green-t:#0fca98; --red:#e85347; --red-bg:#ffe6e4;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);font-size:13px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.hidden{display:none !important}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:#f5f6fa}
.login-card{background:#fff;border:1px solid var(--line);border-radius:16px;width:100%;max-width:380px;padding:34px 30px;box-shadow:0 12px 40px rgba(28,43,70,.08)}
.login-card .lg{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--head);font-size:18px;margin-bottom:4px}
.login-card .lg .logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--primary),#8f7bff);display:grid;place-items:center;color:#fff;font-size:15px}
.login-card p.sub{color:var(--muted);margin:0 0 22px}
.login-card .err{background:var(--red-bg);color:var(--red);border-radius:8px;padding:9px 12px;margin-bottom:14px;font-size:12px;display:none}
.login-card .err.show{display:block}
.field{margin-bottom:16px}
.field label{display:block;font-size:12px;font-weight:600;color:var(--head);margin-bottom:6px}
.inp{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:13px;color:var(--head);outline:none}
.inp:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(101,118,255,.12)}
.btn{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:10px 18px;font-weight:600;font-size:13px;cursor:pointer;display:inline-flex;align-items:center;gap:8px}
.btn:hover{background:var(--primary-d)}
.btn:disabled{opacity:.6}
.btn.block{width:100%;justify-content:center;padding:11px}

/* ---------- App shell ---------- */
.app{display:flex;height:100vh;overflow:hidden}
.side{width:250px;flex:0 0 250px;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:18px 0}
.brand{display:flex;align-items:center;gap:9px;padding:0 20px 8px;font-weight:700;color:var(--head);font-size:16px}
.brand .logo{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,var(--primary),#8f7bff);display:grid;place-items:center;color:#fff;font-size:14px}
.mbxinfo{padding:6px 20px 14px;border-bottom:1px solid var(--line-2);margin-bottom:8px}
.mbxinfo .addr{font-weight:600;color:var(--head);font-size:13px;word-break:break-all}
.mbxinfo .lbl{color:var(--muted);font-size:11px}
.nav{padding:4px 12px;display:flex;flex-direction:column;gap:2px}
.nav a{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:8px;color:var(--text);cursor:pointer}
.nav a:hover{background:var(--hover)}
.nav a.active{background:var(--sel);color:var(--primary);font-weight:600}
.nav a svg{width:18px;height:18px;flex:0 0 18px;stroke:currentColor;fill:none;stroke-width:1.7}
.nav a .lbl{flex:1}
.nav a .cnt{font-size:11px;color:var(--muted);font-weight:600}
.nav a.active .cnt{color:var(--primary)}
.side-foot{margin-top:auto;padding:14px 20px 4px;border-top:1px solid var(--line-2)}
.logout{color:var(--red);font-weight:600;cursor:pointer;font-size:12px}
.logout:hover{text-decoration:underline}
.contacts{padding:14px 20px 4px}
.contacts .h{font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2);margin-bottom:10px}
.contacts .c{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.contacts .c .nm{font-weight:600;color:var(--head);font-size:12px;line-height:1.2}
.contacts .c .em{color:var(--muted);font-size:11px}

.av{width:40px;height:40px;border-radius:50%;flex:0 0 40px;display:grid;place-items:center;color:#fff;font-weight:600;font-size:14px}
.av.sm{width:30px;height:30px;flex:0 0 30px;font-size:11px}

/* ---------- Main ---------- */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:6px;padding:12px 20px;border-bottom:1px solid var(--line)}
.tool{width:34px;height:34px;border-radius:8px;display:grid;place-items:center;color:var(--muted);cursor:pointer;background:none;border:none}
.tool:hover{background:var(--hover);color:var(--text)}
.tool svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7}
.spacer{flex:1}
.search{display:flex;align-items:center;gap:8px;color:var(--muted)}
.search svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.7}
.search input{border:none;outline:none;font-size:13px;color:var(--text);width:180px;background:transparent}
.count{color:var(--muted);font-size:12px;margin-left:10px}

.list{flex:1;overflow-y:auto}
.row{display:flex;align-items:center;gap:14px;padding:14px 20px;border-bottom:1px solid var(--line-2);cursor:pointer;position:relative}
.row:hover{background:var(--hover);box-shadow:inset 3px 0 0 var(--primary)}
.row.unread .from,.row.unread .subj{color:var(--head);font-weight:600}
.row.unread::before{content:"";position:absolute;left:8px;top:50%;width:5px;height:5px;border-radius:50%;background:var(--primary);transform:translateY(-50%)}
.who{width:190px;flex:0 0 190px;min-width:0}
.who .from{color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.who .mail{color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rbody{flex:1;min-width:0}
.rbody .subj{color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rbody .prev{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px}
.time{color:var(--muted);font-size:12px;flex:0 0 auto;white-space:nowrap}
.badge{font-size:10px;font-weight:600;padding:2px 8px;border-radius:5px;margin-left:8px}
.badge.arch{background:#eef1f7;color:var(--muted)}
.badge.danger{background:var(--red-bg);color:var(--red)}
.threatbar{margin:8px 26px 0;background:#fff4f3;border:1px solid #f6c9c4;border-radius:10px;padding:12px 14px}
.threatbar .tt{display:flex;align-items:center;gap:8px;font-weight:700;color:#b23b32;font-size:13px}
.threatbar .tt svg{width:18px;height:18px;stroke:#b23b32;fill:none;stroke-width:1.8}
.threatbar .tt .sc{font-weight:600;color:#c0665f}
.threatbar .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.threatbar .tflag{background:#fff;border:1px solid #f0b8b2;color:#b23b32;font-size:11px;font-weight:600;padding:3px 9px;border-radius:20px}
.threatbar .tnote{margin-top:10px;font-size:12px;color:#8a5a55;line-height:1.5}
.empty{padding:70px 20px;text-align:center;color:var(--muted-2)}
.loading{padding:60px;text-align:center;color:var(--muted-2)}

/* ---------- Detail ---------- */
.detail{flex:1;overflow-y:auto;display:none}
.detail.show{display:block}
.list.hide{display:none}
.dhead{display:flex;align-items:flex-start;gap:10px;padding:18px 26px 8px}
.dhead h1{font-size:18px;color:var(--head);margin:0;font-weight:600;flex:1}
.msg{padding:14px 26px}
.msg .m-top{display:flex;align-items:center;gap:12px}
.msg .m-who{flex:1}
.msg .m-who .nm{font-weight:600;color:var(--head)}
.msg .m-who .to{color:var(--muted);font-size:12px;margin-top:2px}
.msg .m-date{color:var(--muted);font-size:12px}
.msg .m-body{color:#526484;line-height:1.7;margin:16px 0 4px;padding-left:52px;max-width:760px;white-space:pre-wrap}
.meta{padding-left:52px;margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.meta .k{font-size:11px;color:var(--muted);background:var(--hover);border:1px solid var(--line);padding:3px 9px;border-radius:6px}
.meta .k b{color:var(--text);font-weight:600}
.reply{margin:24px 26px 40px;border:1px solid var(--line);border-radius:12px;position:relative;opacity:.75;pointer-events:none}
.reply .soon{position:absolute;top:-10px;right:14px;background:#ece9ff;color:#816bff;font-size:10px;font-weight:700;padding:3px 9px;border-radius:20px}
.reply .to{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line-2);color:var(--muted)}
.reply .to .chip{background:var(--hover);border:1px solid var(--line);border-radius:6px;padding:3px 10px;color:var(--text);font-size:12px}
.reply .area{min-height:90px;padding:16px;color:var(--muted-2);font-style:italic}

/* ---------- Navegación secundaria ---------- */
.navgroup{margin-top:8px;border-top:1px solid var(--line-2);padding-top:10px}
.navsec{font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2);padding:2px 12px 6px}

/* ---------- Integración (docs) ---------- */
.docs{padding:22px 26px 60px;max-width:820px}
.docsintro{color:var(--text);line-height:1.6;margin:0 0 18px}
.docsnote{color:var(--muted);font-size:12px;margin-top:14px}
.mono2{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;background:var(--hover);border:1px solid var(--line);padding:1px 6px;border-radius:5px;color:var(--head)}
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:18px}
.tab{background:none;border:none;padding:10px 14px;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tab:hover{color:var(--text)}
.tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.callout{background:var(--sel);border:1px solid #e0e3ff;border-radius:10px;padding:12px 14px;color:var(--text);font-size:12.5px;line-height:1.6;margin-bottom:14px}
.warnbox{background:#fff7db;border:1px solid #f3e2a8;border-radius:10px;padding:10px 14px;color:#8a6d1b;font-size:12.5px;margin-bottom:14px}
.codeblock{border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-bottom:16px;background:#0f1729}
.cbhead{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:#141d33;color:#9fb0d0;font-size:11px;font-weight:600}
.cbcopy{background:#243049;color:#cdd8ef;border:none;border-radius:6px;padding:4px 10px;font-size:11px;font-weight:600;cursor:pointer}
.cbcopy:hover{background:#2f3d5c}
.codeblock pre{margin:0;padding:14px 16px;overflow-x:auto}
.codeblock code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;line-height:1.6;color:#e6ebf5;white-space:pre}
.steps{margin:8px 0 0;padding-left:20px;line-height:1.8;color:var(--text)}
.steps ul{margin:6px 0;line-height:1.7}
.docs .btn{margin:2px 0 16px;text-decoration:none}

/* ---------- Toast ---------- */
.toast{position:fixed;right:20px;bottom:20px;z-index:80;display:flex;flex-direction:column;gap:8px}
.toast .t{background:var(--head);color:#fff;padding:11px 16px;border-radius:9px;font-size:13px;box-shadow:0 8px 24px rgba(28,43,70,.25);opacity:0;transform:translateY(8px);transition:.2s}
.toast .t.show{opacity:1;transform:none}
.toast .t.ok{background:#0b7a5c}.toast .t.err{background:#b23b32}

@media(max-width:820px){
  .side{width:64px;flex:0 0 64px}
  .brand span:not(.logo),.mbxinfo,.nav .lbl,.nav .cnt,.contacts,.side-foot .logout{display:none}
  .who{width:130px;flex:0 0 130px}.search input{width:110px}
}