:root{--bg:#f5f6f8;--card:#fff;--ink:#1c2333;--muted:#667085;--line:#e3e6ec;--brand:#1f3864;--brand2:#2f5597;
--red:#c0392b;--redbg:#fde8e6;--amb:#a15c00;--ambbg:#fff1d6;--grn:#1e7e4e;--grnbg:#e2f5ea;--blu:#1f4f9c;--blubg:#e4edfb;--gry:#475467;--grybg:#eef0f4}
@media (prefers-color-scheme:dark){:root{--bg:#10131a;--card:#181c26;--ink:#e8ebf2;--muted:#98a2b3;--line:#2a3040;--brand:#8fb0ee;--brand2:#6f97e0;
--red:#ff8e82;--redbg:#3a1d1b;--amb:#ffc266;--ambbg:#3b2d12;--grn:#6fd3a0;--grnbg:#16301f;--blu:#8fb4f5;--blubg:#1b2a47;--gry:#b6beca;--grybg:#232a38}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.45 "Segoe UI",system-ui,-apple-system,Arial,sans-serif}
.top{display:flex;align-items:center;gap:20px;padding:10px 20px;background:var(--card);border-bottom:1px solid var(--line);flex-wrap:wrap;position:sticky;top:0;z-index:5}
.brand{display:flex;gap:10px;align-items:center}.logo{background:var(--brand);color:#fff;font-weight:700;border-radius:8px;padding:6px 8px;font-size:13px}
@media (prefers-color-scheme:dark){.logo{color:#10131a}}
h1{font-size:16px;margin:0}h2{font-size:16px;margin:2px 0 0}small,.muted{color:var(--muted)}
.tabs{display:flex;gap:4px}.tab{border:0;background:none;padding:8px 14px;border-radius:8px;font:inherit;color:var(--muted);cursor:pointer}
.tab.on{background:var(--grybg);color:var(--ink);font-weight:600}
.actions{margin-left:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.btn{border:1px solid var(--line);background:var(--card);color:var(--ink);padding:7px 12px;border-radius:8px;font:inherit;cursor:pointer;text-decoration:none;display:inline-block}
.btn:hover{background:var(--grybg)}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
@media (prefers-color-scheme:dark){.btn.primary{color:#10131a}}
.btn:disabled{opacity:.6;cursor:default}
.badge{font-size:11px;font-weight:700;padding:3px 8px;border-radius:99px;background:var(--ambbg);color:var(--amb)}
.badge.live{background:var(--grnbg);color:var(--grn)}
main{padding:18px 20px;max-width:1500px;margin:0 auto}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:14px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;cursor:default}
.kpi b{display:block;font-size:26px;line-height:1.1}.kpi span{color:var(--muted);font-size:12px}
.kpi.bad b{color:var(--red)}.kpi.warn b{color:var(--amb)}.kpi.ok b{color:var(--grn)}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;align-items:center}
input,select,textarea{font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:8px;padding:7px 9px}
.filters input[type=search]{min-width:280px}
.chk{display:flex;gap:6px;align-items:center;color:var(--muted)}
.tablewrap{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:auto}
table{border-collapse:collapse;width:100%}
th{position:sticky;top:0;text-align:left;font-size:12px;color:var(--muted);font-weight:600;padding:10px 12px;border-bottom:1px solid var(--line);background:var(--card);white-space:nowrap}
td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
tbody tr{cursor:pointer}tbody tr:hover{background:var(--grybg)}
td.subj{max-width:420px}td.subj div{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}td.subj small{display:block}
.code{font-weight:700;font-variant-numeric:tabular-nums;color:var(--brand)}
.chip{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:600;white-space:nowrap}
.c-Crítico{background:var(--redbg);color:var(--red)}.c-Urgente{background:var(--ambbg);color:var(--amb)}.c-Bajo{background:var(--grnbg);color:var(--grn)}
.s-Nuevo{background:var(--blubg);color:var(--blu)}.s-En\ atención,.s-Pendiente\ usuario,.s-Escalado\ a\ proveedor{background:var(--grybg);color:var(--gry)}
.s-Resuelto,.s-Cerrado{background:var(--grnbg);color:var(--grn)}
.sla-Vencido,.sla-Incumplido{color:var(--red);font-weight:600}.sla-Por\ vencer{color:var(--amb);font-weight:600}.sla-Cumplido{color:var(--grn)}
.empty{padding:40px;text-align:center;color:var(--muted)}
.drawer{position:fixed;right:0;top:0;bottom:0;width:min(620px,100%);background:var(--card);border-left:1px solid var(--line);box-shadow:-8px 0 30px rgba(0,0,0,.15);display:flex;flex-direction:column;z-index:10}
.drawer[hidden]{display:none}
.dhead{display:flex;justify-content:space-between;gap:10px;padding:14px 18px;border-bottom:1px solid var(--line)}
.icon{border:0;background:none;font-size:18px;cursor:pointer;color:var(--muted)}
.dbody{overflow:auto;padding:16px 18px;display:flex;flex-direction:column;gap:16px}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.fields label,dialog label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}
.fields select,.fields input{color:var(--ink)}
.sla{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;background:var(--grybg);border-radius:10px;padding:10px 12px}
.sla div{display:flex;flex-direction:column}.sla span{font-size:12px;color:var(--muted)}
h3{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 8px}
.msg{border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:8px}
.msg.out{background:var(--blubg);border-color:transparent}.msg.note{background:var(--ambbg);border-color:transparent}
.msg header{display:flex;justify-content:space-between;gap:8px;font-size:12px;color:var(--muted);margin-bottom:4px}
.msg pre{margin:0;white-space:pre-wrap;word-wrap:break-word;font:inherit}
.reply textarea{width:100%;resize:vertical}.reply .rbar{display:flex;gap:8px;justify-content:flex-end;margin-top:6px}
.events{font-size:12px;color:var(--muted)}.events div{padding:3px 0;border-bottom:1px dashed var(--line)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.card h3{margin-bottom:12px}
.bar{display:grid;grid-template-columns:150px 1fr 36px;gap:8px;align-items:center;margin:5px 0;font-size:13px}
.bar i{display:block;height:12px;background:var(--brand2);border-radius:6px;min-width:2px}
.bar span:last-child{text-align:right;font-variant-numeric:tabular-nums}
.bar span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ut{width:100%;border-collapse:collapse;font-size:13px}.ut td,.ut th{border-bottom:1px solid var(--line);padding:6px;text-align:left}.ut .btn{padding:3px 8px;font-size:12px;margin:1px}
dialog{border:1px solid var(--line);border-radius:14px;background:var(--card);color:var(--ink);width:min(640px,94vw);padding:20px}
dialog::backdrop{background:rgba(0,0,0,.4)}dialog form{display:flex;flex-direction:column;gap:10px}
dialog input,dialog select,dialog textarea{width:100%}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.dfoot{display:flex;justify-content:flex-end;gap:8px;margin-top:6px}
.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:10px;z-index:30}
@media (max-width:760px){.top{padding:10px 12px}main{padding:12px}.fields,.row2,.row3{grid-template-columns:1fr}th:nth-child(3),td:nth-child(3),th:nth-child(8),td:nth-child(8){display:none}}

dialog.wide{width:min(760px,95vw)}
.tabs2{display:flex;gap:6px}.prev{border:1px solid var(--line);border-radius:10px;padding:10px;background:var(--bg)}
.prev pre{white-space:pre-wrap;font:inherit;margin:8px 0 0}.small{font-size:12px}
dialog textarea{font:13px/1.45 ui-monospace,Consolas,monospace}code{background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:0 4px;cursor:help}
/* ingreso, disponibilidad y adjuntos */
.loginpage{display:grid;place-items:center;min-height:100vh;padding:16px}
.logincard{width:100%;max-width:380px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;display:grid;gap:14px}
.logincard form{display:grid;gap:12px}.logincard label{display:grid;gap:4px;font-size:12px;color:var(--muted)}
.logincard input{padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font:inherit}
.lerr{background:var(--redbg);color:var(--red);padding:8px 10px;border-radius:8px;font-size:13px}
.small{font-size:12px}
.avail{padding:7px 20px;font-size:13px;background:var(--grnbg);color:var(--grn);border-bottom:1px solid var(--line)}
.avail.closed{background:var(--ambbg);color:var(--amb)}
.attach{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:6px}
.attach .chipf{display:inline-flex;gap:6px;align-items:center;border:1px solid var(--line);border-radius:99px;padding:3px 6px 3px 10px;background:var(--grybg);font-size:12px}
.attach .chipf button{border:0;background:none;color:var(--muted);cursor:pointer;font-size:14px;line-height:1}
.msg .files{margin-top:6px;display:flex;gap:6px;flex-wrap:wrap}
.msg .files span{border:1px solid var(--line);border-radius:6px;padding:2px 8px;font-size:12px;background:var(--card)}

/* ===== Tema moderno (v1.3): solo estilos; no cambia el funcionamiento ===== */
:root{--bg:#f3f5fa;--card:#fff;--ink:#16203a;--muted:#6b7590;--line:#e6e9f2;--brand:#2b3a8f;--brand2:#3f55c4;--accent:#e9891a;
--shadow:0 1px 2px rgba(22,32,58,.05),0 8px 24px rgba(22,32,58,.06);--radius:14px}
@media (prefers-color-scheme:dark){:root{--bg:#0e1220;--card:#161b2e;--ink:#e9edf8;--muted:#9aa5c0;--line:#252c44;--brand:#8fb0ee;--brand2:#7aa2f0;--accent:#f0a24f;
--shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.3)}}
body{font:14px/1.5 Inter,"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased;
background:radial-gradient(1200px 500px at 85% -10%,rgba(59,111,212,.10),transparent 60%),var(--bg);background-attachment:fixed}
.top{padding:12px 24px;gap:18px;border-bottom:0;box-shadow:var(--shadow);background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:blur(8px)}
.top::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--brand2) 60%,var(--accent))}
.brand{gap:14px}.logo-img{display:block;height:40px;width:40px;object-fit:contain;border-radius:8px;box-shadow:0 2px 8px rgba(233,137,26,.35)}
.company{display:block;font-size:10.5px;font-weight:700;letter-spacing:.09em;color:var(--brand);line-height:1.2;margin-bottom:1px}
.bt{padding-left:2px}.bt h1{font-size:15px;font-weight:650;letter-spacing:.01em}.bt small{font-size:12px}
.tabs{background:var(--bg);padding:4px;border-radius:12px;gap:2px}
.tab{padding:7px 16px;border-radius:9px;font-weight:500;transition:background .15s,color .15s}
.tab.on{background:var(--card);box-shadow:0 1px 3px rgba(22,32,58,.12);color:var(--brand);font-weight:650}
.btn{border-radius:10px;padding:8px 14px;font-weight:500;transition:transform .08s,box-shadow .15s,background .15s;border-color:var(--line)}
.btn:hover{background:var(--card);box-shadow:0 2px 8px rgba(22,32,58,.10);transform:translateY(-1px)}
.btn:active{transform:none}
.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand2));border-color:transparent;color:#fff;box-shadow:0 4px 12px rgba(31,56,100,.28)}
.btn.primary:hover{background:linear-gradient(135deg,var(--brand),var(--brand2));filter:brightness(1.07);box-shadow:0 6px 16px rgba(31,56,100,.34)}
@media (prefers-color-scheme:dark){.btn.primary{color:#0e1220}}
.btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.tab:focus-visible{outline:2px solid var(--brand2);outline-offset:2px}
.badge{padding:4px 10px;letter-spacing:.03em}
.avail{margin:14px 24px 0;border:0;border-radius:12px;padding:9px 16px;font-weight:500}
main{padding:20px 24px 40px}
.kpis{gap:14px;margin-bottom:18px}
.kpi{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);transition:transform .15s}
.kpi:hover{transform:translateY(-2px)}
.kpi::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand2)}
.kpi.bad::before{background:var(--red)}.kpi.warn::before{background:var(--amb)}.kpi.ok::before{background:var(--grn)}
.kpi b{font-size:30px;font-weight:700;letter-spacing:-.02em}.kpi span{font-size:12.5px;font-weight:500}
.filters{padding:10px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px}
input,select,textarea{border-radius:10px;padding:8px 11px;background:var(--bg);border-color:var(--line);transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{border-color:var(--brand2);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand2) 20%,transparent);outline:none}
.tablewrap{border-radius:var(--radius);box-shadow:var(--shadow);border-color:var(--line)}
th{background:color-mix(in srgb,var(--bg) 60%,var(--card));text-transform:uppercase;font-size:11px;letter-spacing:.06em;padding:12px 14px}
td{padding:13px 14px}
tbody tr{transition:background .12s}tbody tr:hover{background:color-mix(in srgb,var(--brand2) 6%,var(--card))}
tbody tr:last-child td{border-bottom:0}
.chip{padding:3px 11px;font-size:12px}
.card{border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px}
.bar i{background:linear-gradient(90deg,var(--brand2),var(--brand));height:10px}
.drawer{border-left:0;box-shadow:-12px 0 40px rgba(22,32,58,.22);border-radius:18px 0 0 18px}
.dhead{padding:18px 22px;background:linear-gradient(180deg,color-mix(in srgb,var(--brand2) 7%,var(--card)),var(--card))}
.dbody{padding:18px 22px}
.msg{border-radius:12px}.sla{border-radius:12px}
dialog{border:0;border-radius:18px;box-shadow:0 30px 80px rgba(22,32,58,.35);padding:24px}
dialog::backdrop{background:rgba(14,18,32,.55);backdrop-filter:blur(3px)}
.toast{border-radius:12px;box-shadow:var(--shadow)}
/* ingreso */
.loginpage{background:radial-gradient(900px 500px at 15% 10%,rgba(59,111,212,.22),transparent 60%),radial-gradient(800px 500px at 90% 90%,rgba(201,115,26,.16),transparent 60%),var(--bg)}
.logincard{max-width:410px;padding:34px 32px;border:0;border-radius:20px;box-shadow:0 24px 70px rgba(22,32,58,.18);gap:18px;position:relative;overflow:hidden}
.logincard::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--brand),var(--brand2) 60%,var(--accent))}
.login-logo{display:block;height:130px;width:auto;margin:2px auto 0;object-fit:contain}
@media (prefers-color-scheme:dark){.login-logo{background:#fff;border-radius:14px;padding:10px 14px}}
.logincard .bt{text-align:center}
.logincard .bt{border:0;padding:0}.logincard .bt h1{font-size:20px}.logincard .bt small{display:block;margin-top:2px}
.logincard input{background:var(--bg);padding:11px 12px;border-radius:11px}
.logincard .btn.primary{padding:12px;font-size:15px;font-weight:600;margin-top:4px}
@media (max-width:760px){.top{padding:10px 14px}.bt{display:none}main{padding:14px}.avail{margin:10px 14px 0}.drawer{border-radius:0}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}