/* Solthabit: estilos de la plataforma. Origen: prototipo aprobado (prototipo/index.html). */
/* ===== Tokens de diseño (colores del logo Solthabit) ===== */
:root{
  --brand:#1A3369; --brand-ink:#1A3369; --accent:#3A72C4; --accent-soft:#EAF1FB;
  --bg:#F5F6F8; --surface:#FFFFFF; --surface-2:#F1F3F6; --border:#E4E7EC;
  --text:#101828; --muted:#667085; --faint:#98A2B3;
  --ok:#0F7B53; --ok-soft:#E6F4EE; --warn:#B54708; --warn-soft:#FEF3E6;
  --danger:#C0352B; --danger-soft:#FDECEA;
  --radius:14px; --radius-sm:10px;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.06);
  --shadow-lg:0 12px 32px rgba(16,24,40,.14);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --brand:#1A3369; --brand-ink:#A9C2EE; --accent:#6C9BE0; --accent-soft:rgba(108,155,224,.14);
    --bg:#0B1220; --surface:#111A2B; --surface-2:#172238; --border:#22304A;
    --text:#E7EBF3; --muted:#97A3BA; --faint:#6B7891;
    --ok:#4CC38A; --ok-soft:rgba(76,195,138,.13); --warn:#F0A54A; --warn-soft:rgba(240,165,74,.13);
    --danger:#F07167; --danger-soft:rgba(240,113,103,.13);
    --shadow:0 1px 2px rgba(0,0,0,.3); --shadow-lg:0 12px 32px rgba(0,0,0,.5);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --brand:#1A3369; --brand-ink:#A9C2EE; --accent:#6C9BE0; --accent-soft:rgba(108,155,224,.14);
  --bg:#0B1220; --surface:#111A2B; --surface-2:#172238; --border:#22304A;
  --text:#E7EBF3; --muted:#97A3BA; --faint:#6B7891;
  --ok:#4CC38A; --ok-soft:rgba(76,195,138,.13); --warn:#F0A54A; --warn-soft:rgba(240,165,74,.13);
  --danger:#F07167; --danger-soft:rgba(240,113,103,.13);
  --shadow:0 1px 2px rgba(0,0,0,.3); --shadow-lg:0 12px 32px rgba(0,0,0,.5);
  color-scheme:dark;
}

*{box-sizing:border-box}
html,body{margin:0}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
svg.i{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
svg.i.s{width:16px;height:16px}
button{font:inherit;color:inherit;cursor:pointer}
a{color:var(--accent);text-decoration:none}
h1,h2,h3{margin:0;letter-spacing:-.01em}
h1{font-size:24px;font-weight:700}
h2{font-size:17px;font-weight:600}
h3{font-size:15px;font-weight:600}
p{margin:0}
.muted{color:var(--muted)}
.small{font-size:13px}
.num{font-variant-numeric:tabular-nums}

/* ===== Layout ===== */
.app{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:18px 14px}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 16px}
.brand-logo{width:38px;height:38px;border-radius:10px;background:#fff;display:grid;place-items:center;border:1px solid var(--border);overflow:hidden;flex-shrink:0}
.brand-logo img{width:30px;height:30px;object-fit:contain}
.brand-name{font-weight:700;color:var(--brand-ink);font-size:16px;line-height:1.1}
.brand-sub{font-size:12px;color:var(--muted)}
.ctx{display:flex;align-items:center;gap:10px;padding:10px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);margin-bottom:10px;width:100%;text-align:left}
.ctx.click:hover{border-color:var(--accent)}
.ctx .dot{width:32px;height:32px;border-radius:8px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-weight:700;font-size:12px;flex-shrink:0}
.ctx b{display:block;font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ctx span{font-size:12px;color:var(--muted)}
.ctx .grow{flex:1;min-width:0}
.nav{display:flex;flex-direction:column;gap:1px;flex:1;overflow:auto;margin:0 -4px;padding:0 4px}
.nav-label{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);padding:12px 10px 5px;font-weight:600}
.nav :is(a,button){display:flex;align-items:center;gap:12px;width:100%;padding:8px 10px;border:0;background:none;border-radius:9px;color:var(--muted);font-weight:500;text-align:left;font-size:14px}
.nav :is(a,button):hover{background:var(--surface-2);color:var(--text)}
.nav :is(a,button).active{background:var(--accent-soft);color:var(--accent)}
.nav :is(a,button)[disabled]{opacity:.4;pointer-events:none}
.side-foot{border-top:1px solid var(--border);padding-top:12px;display:flex;align-items:center;gap:8px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:600;font-size:13px;flex-shrink:0}
.side-foot .who{flex:1;min-width:0}
.side-foot .who b{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-foot .who span{font-size:12px;color:var(--muted)}
.icon-btn{width:36px;height:36px;border-radius:9px;border:1px solid var(--border);background:var(--surface);display:inline-grid;place-items:center;color:var(--muted);position:relative;flex-shrink:0}
.icon-btn:hover{color:var(--text);background:var(--surface-2)}
.icon-btn.sm{width:32px;height:32px;border-radius:8px}
.icon-btn.danger:hover{color:var(--danger)}

.main{min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:12px;padding:18px 32px;position:sticky;top:0;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);z-index:5}
.topbar .title{flex:1;min-width:0}
.topbar .title .muted{font-size:13px}
.content{padding:6px 32px 56px;max-width:1280px;width:100%}
.m-header,.bottom-nav{display:none}

/* ===== Componentes ===== */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-pad{padding:20px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid var(--border)}
.grid{display:grid;gap:16px}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-side{grid-template-columns:minmax(0,1fr) minmax(0,1.5fr)}
.stack{display:flex;flex-direction:column;gap:16px}
.row{display:flex;align-items:center;gap:10px}
.between{justify-content:space-between}
.end{justify-content:flex-end}
.wrap{flex-wrap:wrap}
.mt{margin-top:16px}.mt-s{margin-top:8px}.mt-l{margin-top:24px}

.stat .label{font-size:13px;color:var(--muted)}
.stat .value{font-size:22px;font-weight:700;margin-top:4px;letter-spacing:-.02em}
.stat.hero{background:linear-gradient(135deg,#1A3369 0%,#23488F 60%,#3A72C4 100%);color:#fff;border:0}
.stat.hero .label{color:rgba(255,255,255,.78)}
.ico{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;flex-shrink:0}
.ico.blue{background:var(--accent-soft);color:var(--accent)}
.ico.green{background:var(--ok-soft);color:var(--ok)}
.ico.amber{background:var(--warn-soft);color:var(--warn)}
.ico.red{background:var(--danger-soft);color:var(--danger)}
.ico.gray{background:var(--surface-2);color:var(--muted)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:38px;padding:0 15px;border-radius:10px;border:1px solid var(--border);background:var(--surface);font-weight:600;font-size:14px;white-space:nowrap}
.btn:hover{background:var(--surface-2)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{filter:brightness(1.07)}
.btn.ghost{border-color:transparent;background:none;color:var(--accent);padding:0 8px}
.btn.sm{height:32px;padding:0 11px;font-size:13px}
.btn.block{width:100%}
.btn.danger{color:var(--danger)}

.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 9px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.ok{background:var(--ok-soft);color:var(--ok)}
.badge.warn{background:var(--warn-soft);color:var(--warn)}
.badge.danger{background:var(--danger-soft);color:var(--danger)}
.badge.info{background:var(--accent-soft);color:var(--accent)}
.badge.neutral{background:var(--surface-2);color:var(--muted)}
.chip{display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:7px;background:var(--surface-2);border:1px solid var(--border);font-size:12px;font-weight:500;margin:2px 4px 2px 0}

/* Tablas */
.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse}
.table th{text-align:left;font-size:12px;font-weight:600;color:var(--muted);padding:11px 16px;border-bottom:1px solid var(--border);background:var(--surface-2);white-space:nowrap}
.table td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:14px;vertical-align:middle}
.table tr:last-child td{border-bottom:0}
.table .r{text-align:right}
.table td.act{text-align:right;white-space:nowrap}
.table td.act .row{justify-content:flex-end;gap:6px}
.table tfoot td{font-weight:700;background:var(--surface-2)}
.table tbody tr.click{cursor:pointer}
.table tbody tr.click:hover td{background:var(--surface-2)}
.card > .table-wrap:first-child .table th:first-child{border-top-left-radius:var(--radius)}
.card > .table-wrap:first-child .table th:last-child{border-top-right-radius:var(--radius)}

/* Formularios */
.tabs{display:inline-flex;background:var(--surface-2);border:1px solid var(--border);border-radius:11px;padding:3px;gap:2px;flex-wrap:wrap;max-width:100%}
.tabs button{border:0;background:none;padding:6px 13px;border-radius:8px;font-weight:500;font-size:14px;color:var(--muted)}
.tabs button.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}
.filters{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
.filters .field{min-width:170px;flex:1}
.filters .field.auto{flex:0 0 auto;min-width:0}
.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 16px}
.form.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.form .span{grid-column:1/-1}
.field{display:flex;flex-direction:column;gap:6px}
.field label,.flabel{font-size:13px;font-weight:600;color:var(--text)}
.input,.select,textarea.input{height:40px;border:1px solid var(--border);background:var(--surface);border-radius:10px;padding:0 12px;font:inherit;font-size:14px;color:var(--text);outline:0;width:100%}
textarea.input{height:auto;min-height:96px;padding:10px 12px;resize:vertical}
.input:focus,.select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.input[readonly]{background:var(--surface-2);color:var(--muted)}
.check{display:flex;align-items:center;gap:9px;font-size:14px;cursor:pointer}
.check input{width:17px;height:17px;accent-color:var(--accent)}
.hint{font-size:12px;color:var(--muted)}
.file{display:flex;align-items:center;gap:10px;border:1px dashed var(--border);border-radius:10px;padding:10px 12px;color:var(--muted);font-size:14px;background:var(--surface-2)}
.section-title{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);font-weight:600;grid-column:1/-1;padding-top:6px;border-top:1px solid var(--border);margin-top:4px}
.section-title.first{border:0;margin:0;padding:0}
.editor{border:1px solid var(--border);border-radius:10px;overflow:hidden}
.editor .bar{display:flex;gap:2px;padding:6px;border-bottom:1px solid var(--border);background:var(--surface-2);flex-wrap:wrap}
.editor .bar span{width:30px;height:28px;border-radius:6px;display:grid;place-items:center;font-size:13px;font-weight:700;color:var(--muted)}
.editor .bar span:hover{background:var(--surface)}
.editor .body{padding:12px;min-height:130px;font-size:14px;color:var(--muted)}

/* Inicio condómino */
.welcome{display:flex;align-items:center;gap:20px;padding:24px}
.condo-logo{width:88px;height:88px;border-radius:18px;background:#fff;border:1px solid var(--border);display:grid;place-items:center;flex-shrink:0;text-align:center;color:#3a3a3a;font-weight:800;font-size:12px;line-height:1.1;letter-spacing:.06em}
.tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.tile{display:flex;align-items:center;gap:12px;padding:16px;border:1px solid var(--border);border-radius:12px;background:var(--surface);text-align:left;font-weight:600;font-size:14px}
.tile:hover{border-color:var(--accent);background:var(--accent-soft)}
.tile svg.chev{margin-left:auto;color:var(--faint)}

/* Adeudos por mes (celular) */
.months{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.months div{border:1px solid var(--border);border-radius:9px;padding:6px 8px;font-size:12px;color:var(--muted)}
.months div b{display:block;color:var(--text);font-size:13px}
.months div.zero b{color:var(--faint);font-weight:500}
.only-m{display:none}

/* Selector de condominio */
.condo-card{display:flex;align-items:center;gap:14px;padding:18px;text-align:left;width:100%;cursor:pointer;transition:border-color .15s,transform .15s}
.condo-card:hover{border-color:var(--accent);transform:translateY(-1px)}
.condo-card .ini{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-weight:700;background:var(--accent-soft);color:var(--accent);flex-shrink:0}
.switch-btn{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 12px;border:1px solid var(--border);border-radius:10px;background:var(--surface);font-weight:600;font-size:14px;max-width:320px}
.switch-btn span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.switch-btn:hover{border-color:var(--accent)}

/* Asistente */
.steps{display:flex;gap:6px;margin:16px 0 20px}
.steps div{flex:1;height:4px;border-radius:4px;background:var(--border)}
.steps div.on{background:var(--accent)}
.task{display:flex;align-items:center;gap:10px;padding:9px 0;font-size:14px;border-top:1px solid var(--border)}
.task:first-child{border-top:0}
.task .st{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:var(--surface-2);color:var(--faint);flex-shrink:0}
.task.done .st{background:var(--ok-soft);color:var(--ok)}
.task.run .st{background:var(--accent-soft);color:var(--accent)}

/* Modales */
.overlay{position:fixed;inset:0;background:rgba(10,16,30,.5);display:none;align-items:center;justify-content:center;z-index:70;padding:16px}
.overlay.open{display:flex}
.modal{background:var(--surface);border-radius:18px;max-width:420px;width:100%;padding:22px;box-shadow:var(--shadow-lg);max-height:92vh;overflow:auto}
.modal.wide{max-width:760px}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px}
.qr{display:grid;grid-template-columns:repeat(25,1fr);width:210px;height:210px;margin:16px auto;padding:12px;background:#fff;border-radius:12px;border:1px solid #E4E7EC}
.qr i.k{background:#101828}
.sheet{position:fixed;left:0;right:0;bottom:0;background:var(--surface);border-radius:20px 20px 0 0;padding:10px 16px calc(20px + env(safe-area-inset-bottom));z-index:80;transform:translateY(110%);transition:transform .25s ease;box-shadow:var(--shadow-lg);max-height:80vh;overflow:auto}
.sheet.open{transform:none}
.sheet .grab{width:40px;height:4px;border-radius:4px;background:var(--border);margin:0 auto 10px}
.sheet .nav :is(a,button){padding:12px 10px}

.proto{position:fixed;right:16px;bottom:16px;z-index:60;display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-lg);border-radius:12px;padding:6px 6px 6px 12px;font-size:13px}
.proto b{color:var(--muted);font-weight:600}
.proto .select{height:32px;min-width:0;font-size:13px;width:auto}
.note{display:flex;gap:10px;align-items:flex-start;padding:10px 14px;border-radius:10px;background:var(--accent-soft);color:var(--accent);font-size:13px;margin-bottom:18px}
.origin{display:inline-block;font-size:11px;font-weight:600;color:var(--muted);border:1px solid var(--border);border-radius:6px;padding:1px 7px;margin-left:8px;vertical-align:3px;background:var(--surface)}

/* Login */
.login{display:grid;grid-template-columns:1.05fr 1fr;min-height:100vh}
.login-art{background:linear-gradient(160deg,#1A3369 0%,#203F7E 55%,#2E5FAE 100%);color:#fff;padding:48px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.login-art .circ{position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.12)}
.login-art h1{font-size:34px;line-height:1.15;max-width:420px}
.login-art p{color:rgba(255,255,255,.75);max-width:400px}
.login-form{display:flex;align-items:center;justify-content:center;padding:32px 20px;background:var(--surface)}
.login-form form{width:100%;max-width:360px;display:flex;flex-direction:column;gap:16px}
.login-logo{width:72px;height:72px;border-radius:18px;background:#fff;display:grid;place-items:center;border:1px solid var(--border);margin-bottom:6px}
.login-logo img{width:56px;height:56px;object-fit:contain}

/* Registro de acceso (vigilancia) */
.guard{max-width:520px;margin:0 auto}
.photo{aspect-ratio:4/3;border-radius:12px;border:1px dashed var(--border);background:var(--surface-2);display:grid;place-items:center;color:var(--muted);text-align:center;font-size:14px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:14px}
.kv dt{color:var(--muted)}
.kv dd{margin:0;font-weight:600}

.page{display:none}
.page.on{display:block;animation:fade .18s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
@media (prefers-reduced-motion:reduce){.page.on{animation:none}}

/* ===== Responsivo ===== */
@media (max-width:1180px){
  .g-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tiles{grid-template-columns:repeat(2,minmax(0,1fr))}
}
/* Tableta: barra lateral solo con iconos */
@media (max-width:1023px){
  .app{grid-template-columns:76px 1fr}
  .sidebar{padding:16px 10px;align-items:center}
  .brand{padding:4px 0 14px}
  .brand-name,.brand-sub,.ctx,.nav-label,.nav :is(a,button) span,.side-foot .who,.side-foot .icon-btn{display:none}
  .nav :is(a,button){justify-content:center;padding:11px}
  .side-foot{border:0;justify-content:center}
  .g-side,.g-3{grid-template-columns:minmax(0,1fr)}
  .topbar,.content{padding-left:24px;padding-right:24px}
  .login{grid-template-columns:1fr}
  .login-art{display:none}
  .form.three{grid-template-columns:repeat(2,minmax(0,1fr))}
}
/* Celular */
@media (max-width:639px){
  .app{display:block}
  .sidebar,.topbar{display:none}
  .m-header{display:flex;align-items:center;gap:10px;padding:12px 16px;position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(10px);padding-top:calc(12px + env(safe-area-inset-top))}
  .m-header .t{flex:1;min-width:0;background:none;border:0;text-align:left;padding:0}
  .m-header .t b{display:block;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .m-header .t span{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:4px}
  .content{padding:4px 16px calc(100px + env(safe-area-inset-bottom))}
  .bottom-nav{display:grid;position:fixed;left:0;right:0;bottom:0;background:var(--surface);border-top:1px solid var(--border);padding:6px 4px calc(6px + env(safe-area-inset-bottom));z-index:30}
  .bottom-nav :is(a,button){border:0;background:none;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;font-weight:500;color:var(--muted);padding:6px 0;min-width:0}
  .bottom-nav :is(a,button) span{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 2px}
  .bottom-nav :is(a,button).active{color:var(--accent)}
  .g-4,.g-2,.g-3,.g-side,.tiles{grid-template-columns:minmax(0,1fr)}
  .g-4.stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form,.form.three{grid-template-columns:minmax(0,1fr)}
  .filters .field{min-width:100%}
  .stat .value{font-size:19px}
  h1{font-size:21px}
  .card-pad{padding:16px}
  .card-head{padding:14px 16px}
  .welcome{flex-direction:column;text-align:center;padding:20px}
  .proto{bottom:calc(78px + env(safe-area-inset-bottom));right:10px;padding:4px 4px 4px 10px}
  .proto b{display:none}
  .only-d{display:none}
  .only-m{display:block}
  .modal{padding:18px}
  /* tablas -> tarjetas */
  .table thead{display:none}
  .table,.table tbody,.table tfoot{display:block}
  .table tr{display:block;padding:12px 16px;border-bottom:1px solid var(--border)}
  .table tbody tr:last-child{border-bottom:0}
  .table td{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:3px 0;border:0;text-align:right;font-size:14px}
  .table td::before{content:attr(data-l);color:var(--muted);font-size:13px;text-align:left;font-weight:400}
  .table td:first-child{font-weight:600;justify-content:flex-start;text-align:left;font-size:15px;padding-bottom:6px}
  .table td:first-child::before{display:none}
  .table td.act{justify-content:flex-end;padding-top:10px}
  .table td.act::before{display:none}
  .table td.empty-m{display:none}
  .table tfoot tr{background:var(--surface-2);border-radius:0 0 var(--radius) var(--radius)}
  .table tfoot td{background:none}
}

/* ===== Agregados de la aplicación (no estaban en el prototipo) ===== */
a.tile,a.btn,a.condo-card{color:inherit;text-decoration:none}
.nav :is(a,button){text-decoration:none}
.bottom-nav :is(a,button){text-decoration:none}
.alerta{display:flex;gap:10px;align-items:flex-start;padding:10px 14px;border-radius:10px;font-size:14px}
.alerta.error{background:var(--danger-soft);color:var(--danger)}
.alerta.info{background:var(--accent-soft);color:var(--accent)}
.alerta.warn{background:var(--warn-soft);color:var(--warn)}
.vacio{padding:32px 20px;text-align:center;color:var(--muted)}
.acceso{min-height:100vh;display:grid;place-items:center;padding:24px 16px;background:var(--bg)}
.acceso .card{max-width:440px;width:100%;padding:28px;text-align:center}
.acceso .login-logo{margin:0 auto 14px}
dialog.dlg{border:0;padding:0;background:transparent;max-width:100%}
dialog.dlg::backdrop{background:rgba(10,16,30,.5)}
.btn[disabled]{opacity:.5;pointer-events:none}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.tabs a{border:0;background:none;padding:6px 13px;border-radius:8px;font-weight:500;font-size:14px;color:var(--muted);text-decoration:none;display:inline-block}
.tabs a.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}
.tabs a:hover{color:var(--text)}

/* Modal del sistema (confirmaciones y resultados) */
.modal.sis{max-width:460px;text-align:center}
.modal.sis .row.end{justify-content:center}
.modal.sis .kv{text-align:left;background:var(--surface-2);border-radius:var(--radius-sm);padding:12px 14px;max-height:45vh;overflow:auto}
.sis-ico{width:52px;height:52px;border-radius:50%;margin:0 auto 12px;display:grid;place-items:center;font-size:26px;font-weight:700}
.sis-ico.ok{background:var(--ok-soft);color:var(--ok)}
.sis-ico.error{background:var(--danger-soft);color:var(--danger)}
.sis-ico.pregunta{background:var(--accent-soft);color:var(--accent)}
.sis-ico.peligro{background:var(--warn-soft);color:var(--warn)}
.btn.peligro{background:var(--danger);border-color:var(--danger);color:#fff}

/* El atributo hidden siempre oculta, aunque la clase defina display */
[hidden]{display:none !important}