:root{
  --bg:#f4f8fb;
  --surface:#ffffff;
  --surface-2:#f8fbfd;
  --text:#0d2a40;
  --muted:#6b7f8c;
  --line:#dce8ef;
  --navy:#0b2f4b;
  --blue:#088fda;
  --cyan:#16c2d5;
  --green:#39c85c;
  --green2:#15a986;
  --soft:#edf8fb;
  --shadow:0 18px 48px rgba(12,55,83,.10);
  --shadow-sm:0 8px 24px rgba(12,55,83,.08);
}
*{box-sizing:border-box}
html,body{
  margin:0;min-height:100%;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);background:var(--bg)
}
body{background:
  radial-gradient(circle at 0 0,rgba(22,194,213,.08),transparent 26rem),
  radial-gradient(circle at 100% 0,rgba(57,200,92,.06),transparent 30rem),
  var(--bg)
}

/* ========================= LOGIN ========================= */
.login-page{background:#eef7fb}
.login-shell{
  min-height:100vh;
  display:grid;
  grid-template-columns:minmax(0,1.18fr) minmax(390px,.82fr);
}
.login-brand{
  position:relative;
  overflow:hidden;
  padding:clamp(44px,6vw,92px);
  display:flex;
  flex-direction:column;
  justify-content:center;
  color:#fff;
  background:
    linear-gradient(110deg,rgba(5,39,64,.94) 0%,rgba(6,83,120,.76) 45%,rgba(10,137,168,.38) 100%),
    url('/panel/assets/smiletrack-hero.webp') center/cover no-repeat;
}
.login-brand::before{
  content:"";
  position:absolute;inset:auto -90px -140px auto;
  width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.22);
  box-shadow:0 0 0 54px rgba(255,255,255,.035),0 0 0 108px rgba(255,255,255,.025);
}
.login-brand::after{
  content:"";
  position:absolute;left:-120px;bottom:-170px;
  width:560px;height:260px;
  background:linear-gradient(90deg,rgba(57,200,92,.55),rgba(22,194,213,.45),rgba(8,143,218,.48));
  border-radius:50%;
  filter:blur(34px);
  opacity:.55;
}
.login-brand>*{position:relative;z-index:1}
.login-brand-logo{
  width:min(340px,65%);
  max-height:150px;
  object-fit:contain;
  object-position:left center;
  background:rgba(255,255,255,.94);
  padding:13px 18px;
  border-radius:20px;
  box-shadow:0 16px 38px rgba(0,26,48,.20);
  margin-bottom:28px;
}
.brand-chip{
  display:inline-flex;width:max-content;
  padding:7px 12px;
  border:1px solid rgba(255,255,255,.30);
  background:rgba(255,255,255,.10);
  backdrop-filter:blur(10px);
  border-radius:999px;
  font-size:10px;font-weight:900;letter-spacing:.16em;
  margin-bottom:19px
}
.login-brand h1{
  font-size:clamp(40px,5vw,72px);
  line-height:1.01;letter-spacing:-.045em;
  margin:0 0 18px;
  text-shadow:0 3px 22px rgba(0,28,50,.20)
}
.login-brand>p{
  max-width:590px;margin:0;
  color:#e8f7fb;font-size:17px;line-height:1.7
}
.brand-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:11px;max-width:600px;margin-top:28px
}
.brand-grid div{
  padding:15px 17px;
  border:1px solid rgba(255,255,255,.20);
  background:rgba(6,43,66,.25);
  backdrop-filter:blur(12px);
  border-radius:15px
}
.brand-grid strong{display:block;font-size:17px}
.brand-grid span{display:block;color:#dbf1f6;font-size:11px;margin-top:4px}

.login-panel{
  background:
    radial-gradient(circle at 100% 0,rgba(22,194,213,.11),transparent 23rem),
    linear-gradient(180deg,#f9fcfd,#eef6f9);
  display:grid;place-items:center;padding:42px
}
.login-card{
  width:min(430px,100%);
  background:rgba(255,255,255,.96);
  border:1px solid rgba(207,224,233,.95);
  border-radius:26px;
  padding:38px;
  box-shadow:0 28px 80px rgba(11,47,75,.14);
  backdrop-filter:blur(14px)
}
.login-card-logo{
  width:190px;height:95px;object-fit:contain;object-position:left center;
  margin:0 0 13px
}
.eyebrow{
  font-size:10px;font-weight:900;letter-spacing:.14em;color:#728997
}
.eyebrow.light{color:#d9f5fa}
.login-card h2{
  font-size:30px;letter-spacing:-.025em;
  margin:8px 0 7px;color:var(--navy)
}
.muted{color:var(--muted)}
.alert{
  padding:12px 14px;background:#fff1f1;color:#a83f3f;
  border:1px solid #f4d1d1;border-radius:12px;margin:16px 0
}
.login-card label{
  display:block;font-size:12px;font-weight:800;
  color:#28485c;margin:22px 0 7px
}
.login-card input{
  width:100%;padding:14px 15px;
  border:1px solid #d4e3eb;border-radius:13px;
  background:#fbfdfe;color:var(--text);
  font-size:16px;outline:none;transition:.18s
}
.login-card input:focus{
  border-color:var(--cyan);
  box-shadow:0 0 0 4px rgba(22,194,213,.13);
  background:#fff
}
.login-card button{
  width:100%;margin-top:16px;padding:14px 16px;
  border:0;border-radius:13px;
  background:linear-gradient(100deg,var(--navy),var(--blue) 65%,var(--cyan));
  color:#fff;font-size:15px;font-weight:900;cursor:pointer;
  box-shadow:0 10px 24px rgba(8,143,218,.22);
  transition:transform .15s,box-shadow .15s
}
.login-card button:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(8,143,218,.28)}
.login-foot{text-align:center;color:#8a9ba5;font-size:11px;margin-top:21px}

/* ========================= PANEL ========================= */
.topbar{
  min-height:76px;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;
  padding:10px 30px;position:sticky;top:0;z-index:10;
  box-shadow:0 4px 18px rgba(14,58,85,.04);
  backdrop-filter:blur(14px)
}
.brand{display:flex;align-items:center;gap:12px}
.top-logo{
  width:54px;height:54px;object-fit:contain;
  border-radius:14px;background:#fff
}
.brand strong{display:block;color:var(--navy);font-size:18px}
.brand span{display:block;font-size:11px;color:var(--muted);margin-top:2px}
.top-actions{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.top-actions a{
  margin-left:10px;color:var(--navy);font-weight:900;text-decoration:none;
  padding:8px 12px;border-radius:10px;background:#eef6fa
}
.top-actions a:hover{background:#e5f2f8}
.live-dot{
  width:8px;height:8px;border-radius:50%;
  background:#28b86f;box-shadow:0 0 0 4px #e5f7ed
}
.shell{max-width:1440px;margin:auto;padding:28px}

.hero{
  position:relative;overflow:hidden;
  min-height:245px;
  color:#fff;border-radius:26px;padding:34px 34px;
  display:flex;justify-content:space-between;align-items:flex-end;
  box-shadow:var(--shadow);
  background:
    linear-gradient(100deg,rgba(5,38,63,.96) 0%,rgba(7,79,115,.87) 43%,rgba(8,143,218,.28) 100%),
    url('/panel/assets/smiletrack-hero.webp') center 37%/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(0deg,rgba(4,34,56,.18),transparent 55%);
  pointer-events:none
}
.hero>*{position:relative;z-index:1}
.hero-copy{max-width:660px}
.hero-brandline{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.hero-brandline img{
  width:78px;height:58px;object-fit:contain;
  background:rgba(255,255,255,.94);border-radius:13px;padding:5px 8px
}
.hero-brandline span{
  font-size:10px;font-weight:900;letter-spacing:.16em;color:#ddf8fb
}
.hero h1{font-size:38px;margin:4px 0 8px;letter-spacing:-.035em}
.hero p{margin:0;color:#e2f4f8;font-size:15px}
.device-picker{
  min-width:230px;
  background:rgba(4,34,56,.38);
  border:1px solid rgba(255,255,255,.18);
  padding:13px;border-radius:15px;
  backdrop-filter:blur(10px)
}
.device-picker label{
  display:block;font-size:10px;font-weight:900;letter-spacing:.08em;
  color:#dff4f8;margin-bottom:7px
}
.device-picker select{
  width:100%;padding:11px 12px;border-radius:11px;
  border:1px solid rgba(255,255,255,.35);
  background:#fff;color:var(--navy);font-weight:800
}

.metric-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:15px;margin-top:17px
}
.metric-card,.mini-grid article,.sleep-card,.table-card{
  background:rgba(255,255,255,.97);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--shadow-sm)
}
.metric-card{
  position:relative;overflow:hidden;
  padding:20px 20px 19px;
  border-top:4px solid var(--cyan)
}
.metric-card::after{
  content:"";position:absolute;right:-28px;top:-28px;width:92px;height:92px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,194,213,.12),transparent 68%)
}
.metric-card>span,.mini-grid span{
  display:block;font-size:12px;color:var(--muted);font-weight:800
}
.metric-card strong{
  display:block;font-size:30px;color:var(--navy);
  margin:8px 0 5px;letter-spacing:-.03em
}
.metric-card small,.mini-grid small{font-size:12px;color:var(--muted);margin-left:4px}
.metric-card em{font-style:normal;font-size:11px;color:#8b9da7}
.c-red{border-top-color:#ef6572}.c-blue{border-top-color:#159fe4}.c-purple{border-top-color:#8068d9}.c-green{border-top-color:#36bd75}

.mini-grid{
  display:grid;grid-template-columns:repeat(var(--cols,3),minmax(0,1fr));
  gap:15px;margin-top:15px
}
.mini-grid article{
  padding:17px 18px;
  background:linear-gradient(180deg,#fff,#fbfdfe)
}
.mini-grid strong{display:block;font-size:24px;color:var(--navy);margin-top:6px}

.sleep-card,.table-card{padding:22px;margin-top:16px}
.section-title{display:flex;justify-content:space-between;align-items:center;gap:16px}
.section-title h2{margin:3px 0 0;color:var(--navy)}
.sleep-total{font-size:28px;font-weight:900;color:var(--blue)}
.sleep-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:12px;margin-top:17px
}
.sleep-grid div{
  background:linear-gradient(145deg,#edf9fb,#f5fbf7);
  border:1px solid #e1eff1;border-radius:14px;padding:15px
}
.sleep-grid span{display:block;font-size:11px;color:var(--muted);margin-bottom:5px}
.sleep-grid strong{font-size:18px;color:var(--navy)}

.table-scroll{overflow:auto;margin-top:15px}
table{width:100%;border-collapse:collapse;font-size:12px}
th,td{
  padding:12px 9px;border-bottom:1px solid var(--line);
  text-align:left;white-space:nowrap
}
th{
  font-size:10px;color:#617984;text-transform:uppercase;
  letter-spacing:.07em;background:#fbfdfe;position:sticky;top:0
}
tbody tr:hover{background:#f6fbfd}
footer{text-align:center;color:#8497a0;font-size:11px;padding:24px 4px 8px}
.empty{padding:60px}

/* ========================= RESPONSIVE ========================= */
@media(max-width:1000px){
  .login-shell{grid-template-columns:1fr}
  .login-brand{min-height:330px;padding:44px}
  .login-brand h1{font-size:46px}
  .login-brand>p,.brand-grid{display:none}
  .login-brand-logo{width:280px}
  .login-panel{min-height:calc(100vh - 330px);padding:32px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .mini-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:650px){
  .login-brand{min-height:245px;padding:26px;background-position:62% center}
  .login-brand-logo{width:220px;max-height:90px;margin-bottom:15px}
  .brand-chip{margin-bottom:11px}
  .login-brand h1{font-size:34px;margin-bottom:0}
  .login-panel{padding:16px;align-items:start}
  .login-card{padding:27px 22px;border-radius:22px;margin-top:-28px;z-index:2}
  .login-card-logo{width:155px;height:78px}
  .topbar{padding:8px 14px}
  .top-logo{width:46px;height:46px}
  .brand span,.top-actions>span:not(.live-dot){display:none}
  .shell{padding:14px}
  .hero{display:block;min-height:310px;padding:22px;background-position:62% center}
  .hero-copy{max-width:80%}
  .hero h1{font-size:30px}
  .device-picker{margin-top:24px;min-width:0;width:100%}
  .metric-grid,.mini-grid,.sleep-grid{grid-template-columns:1fr}
  .sleep-card,.table-card{padding:17px}
}

/* ---- Vincular banda ---- */
.pair-layout{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:16px;margin-top:17px}
.pair-card{margin-top:0}
.pair-form{display:flex;gap:10px;margin:14px 0}
.pair-form input{flex:1;padding:12px 14px;border-radius:12px;border:1px solid #cfe0ea;font:inherit;color:var(--navy)}
.pair-form button,.pair-row button{padding:12px 18px;border-radius:12px;border:0;background:var(--blue);color:#fff;font-weight:800;cursor:pointer}
.pair-row button.ghost{background:#eef6fa;color:var(--navy);padding:9px 14px}
button.ghost{padding:8px 12px;border-radius:10px;border:0;background:#eef6fa;color:var(--navy);font-weight:700;cursor:pointer}
button.ghost.danger{color:#b42318;background:#fdecec}
.pair-result{display:flex;gap:22px;align-items:center;margin:16px 0}
.qr-box{background:#fff;padding:12px;border-radius:16px;border:1px solid #dce8ef;min-width:220px;min-height:220px;display:grid;place-items:center}
.pair-name{font-size:15px;color:var(--muted);font-weight:700}
.pair-code{font-size:42px;font-weight:900;letter-spacing:4px;color:var(--navy);margin:4px 0 8px}
.pair-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid #edf3f6}
.pair-error{color:#b42318;font-weight:700}
.pair-link{display:inline-block;margin-top:6px;color:var(--blue);font-weight:800}
.muted.small,.small{font-size:12px}
@media(max-width:980px){.pair-layout{grid-template-columns:1fr}}
@media(max-width:650px){.pair-result{flex-direction:column;align-items:flex-start}.pair-code{font-size:34px}.pair-form{flex-direction:column}}

/* ---- Botón "i" y ventana de explicación ---- */
.info-btn{
  display:inline-grid;place-items:center;width:18px;height:18px;margin-left:5px;vertical-align:middle;
  border-radius:50%;border:1.5px solid currentColor;background:transparent;color:#8aa3b1;
  font:700 11px/1 Georgia,serif;font-style:italic;cursor:pointer;padding:0;opacity:.85
}
.info-btn:hover,.info-btn:focus-visible{color:var(--blue);opacity:1;outline:none}
h2 .info-btn{width:20px;height:20px;font-size:12px}
.info-dialog{
  border:0;border-radius:20px;padding:24px 24px 18px;max-width:min(460px,92vw);
  color:var(--navy);box-shadow:0 24px 60px rgba(5,39,64,.28)
}
.info-dialog::backdrop{background:rgba(5,39,64,.45)}
.info-dialog h3{margin:0 0 10px;font-size:20px}
.info-dialog p{margin:0 0 10px;font-size:14px;line-height:1.55;color:#40576a}
.info-dialog p:first-child{color:var(--navy);font-weight:600}
.info-dialog form{text-align:right;margin-top:6px}
.info-dialog button{border:0;border-radius:12px;padding:10px 18px;background:var(--blue);color:#fff;font-weight:800;cursor:pointer}

/* ---- Gráfico de fases del sueño ---- */
.hypno-wrap{margin:14px 0 6px}
.hypno{width:100%;height:auto;display:block}
.hypno-label{font-size:13px;fill:#6b7f8c;font-weight:700}
.hypno-grid{stroke:#e3edf2;stroke-width:1}
.hypno-time{font-size:12px;fill:#8b9da7}

/* =========================================================
   Diseño v10: logos sin fondo y centrados, portada sin foto
   ========================================================= */
.login-brand{
  background:url('/panel/assets/smiletrack-waves.svg') center/cover no-repeat;
  align-items:center;text-align:center
}
.login-brand::after{opacity:.35}
.login-brand-logo{
  width:min(280px,60%);max-height:none;height:auto;
  background:none;padding:0;border-radius:0;box-shadow:none;
  margin:0 auto 26px;object-position:center;
  filter:drop-shadow(0 12px 28px rgba(0,20,40,.35))
}
.brand-chip{margin-left:auto;margin-right:auto}
.login-brand>p{margin-left:auto;margin-right:auto}
.brand-grid{margin-left:auto;margin-right:auto;width:100%}
.login-card-logo{
  display:block;width:150px;height:auto;max-height:none;
  margin:0 auto 20px;background:none;padding:0;border-radius:0;box-shadow:none
}
.login-card .eyebrow,.login-card h2,.login-card>.muted{text-align:center}

.top-logo{width:52px;height:52px;background:none;border-radius:0;object-fit:contain}

.hero{
  background:url('/panel/assets/smiletrack-waves.svg') center/cover no-repeat;
  flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:20px;
  scroll-margin-top:96px
}
.hero::after{background:linear-gradient(0deg,rgba(4,34,56,.25),transparent 60%)}
.hero-copy{margin:0 auto}
.hero-brandline{flex-direction:column;justify-content:center;gap:8px}
.hero-brandline img{width:132px;height:auto;background:none;padding:0;border-radius:0;
  filter:drop-shadow(0 10px 24px rgba(0,20,40,.35))}
.device-picker{margin:0 auto}

@media(max-width:1100px){.login-brand-logo{width:240px}}
@media(max-width:650px){.login-brand-logo{width:190px;margin-bottom:14px}.hero-brandline img{width:104px}}

/* ---------- Panel de bandas ---------- */
.fleet{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;margin-bottom:17px;box-shadow:var(--shadow)}
.fleet .section-title{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;flex-wrap:wrap}
.fleet-filters{display:flex;gap:6px;flex-wrap:wrap}
.fleet-filters button{border:1px solid var(--line);background:#f5fafc;color:var(--navy);border-radius:999px;
  padding:7px 13px;font-weight:800;font-size:12px;cursor:pointer}
.fleet-filters button b{margin-left:4px;color:var(--muted)}
.fleet-filters button.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.fleet-filters button.on b{color:#bfe9f3}
.fleet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px;margin-top:16px}
.fleet-card{display:block;text-decoration:none;color:var(--navy);background:#fbfdfe;border:1px solid var(--line);
  border-radius:18px;padding:14px 15px;transition:transform .15s,box-shadow .15s,border-color .15s;position:relative}
.fleet-card:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,58,85,.10);border-color:#cfe3ec}
.fleet-card.is-selected{border-color:var(--blue);box-shadow:0 0 0 3px rgba(8,143,218,.15)}
.fleet-card.is-live{background:linear-gradient(180deg,#f2fbf6,#fbfdfe 60%)}
.fleet-card.is-off{opacity:.75}
.fleet-card.is-sim{background:linear-gradient(180deg,#f7f5ff,#fbfdfe 60%)}
.fleet-top{display:flex;justify-content:space-between;align-items:center}
.fleet-mood{font-size:26px;line-height:1}
.badge{font-size:9.5px;font-weight:900;letter-spacing:.12em;padding:4px 8px;border-radius:999px;display:inline-flex;align-items:center;gap:5px}
.badge.live{background:#e3f7ec;color:#13824a}
.badge.live i{width:7px;height:7px;border-radius:50%;background:#22b46b;animation:pulse 1.6s infinite}
.badge.sim{background:#eeeafd;color:#5b45c4}
.badge.off{background:#eef2f4;color:#6b7f8c}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,180,107,.55)}70%{box-shadow:0 0 0 7px rgba(34,180,107,0)}100%{box-shadow:0 0 0 0 rgba(34,180,107,0)}}
.fleet-name{display:block;font-size:15px;margin-top:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fleet-seen{display:block;font-size:11px;color:var(--muted);margin-top:2px}
.fleet-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;margin-top:12px;padding-top:10px;border-top:1px solid #edf3f6}
.fleet-stats span{display:flex;flex-direction:column}
.fleet-stats em{font-style:normal;font-size:9.5px;color:var(--muted);font-weight:700}
.fleet-stats b{font-size:15px}
@media(max-width:650px){.fleet{padding:16px}.fleet-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}}

/* =========================================================
   v11: vista general de bandas y página de detalle
   ========================================================= */
.hero-overview{min-height:200px}
.fleet-section{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;margin-top:17px;box-shadow:var(--shadow)}
.fleet-section .section-title{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;flex-wrap:wrap}
.section-link{color:var(--blue);font-weight:800;text-decoration:none;font-size:13px}

/* Tarjeta grande (bandas reales) */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,520px),1fr));gap:16px;margin-top:16px}
.feature-card{display:block;text-decoration:none;color:var(--navy);border:1px solid var(--line);border-radius:22px;
  padding:22px;background:#fbfdfe;transition:transform .15s,box-shadow .15s,border-color .15s}
.feature-card:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(14,58,85,.12);border-color:#cfe3ec}
.feature-card.is-live{background:linear-gradient(160deg,#eefaf4 0%,#f6fcff 45%,#fbfdfe 100%);border-color:#cfeedd}
.feature-card.is-off{background:#f7f9fa}
.feature-head{display:flex;justify-content:space-between;align-items:flex-start}
.feature-mood{display:flex;align-items:center;gap:12px}
.feature-mood .emoji{font-size:44px;line-height:1}
.feature-mood strong{display:block;font-size:17px}
.feature-mood small{display:block;font-size:11px;color:var(--muted)}
.feature-card h3{margin:16px 0 2px;font-size:24px;letter-spacing:-.02em}
.feature-stats{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:16px}
.feature-stats div{background:#fff;border:1px solid #e6f0f4;border-radius:14px;padding:10px 10px 8px}
.feature-stats em{display:block;font-style:normal;font-size:10.5px;font-weight:700;color:var(--muted)}
.feature-stats b{display:block;font-size:22px;margin-top:2px;white-space:nowrap}
.feature-stats small{font-size:10px;color:var(--muted)}
.feature-spark{margin-top:14px;background:#fff;border:1px solid #e6f0f4;border-radius:14px;padding:10px 12px 6px}
.feature-spark span{font-size:11px;color:var(--muted);font-weight:700}
.feature-spark .line-chart{height:64px}
.feature-foot{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:13px;color:#40576a;gap:10px;flex-wrap:wrap}
.feature-cta{color:var(--blue);font-weight:800}
@media(max-width:900px){.feature-stats{grid-template-columns:repeat(3,1fr)}}

/* Página de detalle */
.back-link{display:inline-block;margin:0 0 14px;color:var(--navy);font-weight:800;text-decoration:none;
  background:#fff;border:1px solid var(--line);padding:9px 14px;border-radius:12px}
.back-link:hover{background:#eef6fa}

/* Gráficos */
.line-chart{display:block;width:100%;height:150px;overflow:visible}
.chart-time{font-size:11px;fill:#8b9da7}
.chart-empty{font-size:12px;color:var(--muted);padding:18px 0}
.chart-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:17px}
.chart-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:var(--shadow)}
.chart-head{display:flex;justify-content:space-between;align-items:flex-end;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.chart-head span{display:block;font-weight:800;font-size:15px}
.chart-head small{font-size:11px;color:var(--muted)}
.chart-range{font-size:12px;color:var(--muted)}
.chart-range b{color:var(--navy)}
@media(max-width:900px){.chart-grid{grid-template-columns:1fr}}

/* ---- Instalar app ---- */
.top-actions a.install-app{background:var(--navy);color:#fff}
.top-actions a.install-app:hover{background:#0e3d60}
.login-install{display:block;text-align:center;margin-top:16px;color:var(--blue);font-weight:800;text-decoration:none;font-size:13px}
[hidden]{display:none !important}

/* ---- Gráfico de sueño (etiquetas en HTML) ---- */
.hypno-box{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start}
.hypno-labels{display:grid;grid-template-rows:repeat(4,30px);font-size:12px;font-weight:700;color:#6b7f8c}
.hypno-labels span{display:flex;align-items:center}
.hypno-plot{min-width:0}
.hypno{width:100%;height:120px;display:block}
.hypno-times,.chart-times{display:flex;justify-content:space-between;font-size:11px;color:#8b9da7;margin-top:4px}

/* =========================================================
   Celular y tableta
   ========================================================= */
html,body{overflow-x:hidden}
img,svg{max-width:100%}

@media(max-width:760px){
  /* Barra superior en dos filas: marca arriba, accesos en una tira deslizable */
  .topbar{flex-wrap:wrap;gap:8px;padding:10px 14px 8px;min-height:0}
  .brand{width:100%}
  .brand span{display:none}
  .top-logo{width:40px;height:40px}
  .brand strong{font-size:17px}
  .top-actions{width:100%;overflow-x:auto;flex-wrap:nowrap;gap:6px;padding-bottom:2px;scrollbar-width:none}
  .top-actions::-webkit-scrollbar{display:none}
  .top-actions>.live-dot,.top-actions>span{display:none}
  .top-actions a{margin-left:0;white-space:nowrap;flex:0 0 auto;padding:8px 12px}

  .shell{padding:12px}
  .hero{min-height:0;padding:22px 18px;border-radius:22px}
  .hero-overview{min-height:0}
  .hero h1{font-size:28px;word-break:break-word}
  .hero p{font-size:14px}
  .hero-copy{max-width:100%}
  .hero-brandline img{width:96px}
  .back-link{margin-bottom:10px}

  .section-title{flex-wrap:wrap;align-items:flex-start}
  .section-title h2{font-size:21px}
  .fleet-section,.sleep-card,.table-card,.chart-card{padding:16px;border-radius:18px}

  /* Tarjeta grande de banda */
  .feature-card{padding:16px;border-radius:18px}
  .feature-card h3{font-size:21px}
  .feature-mood .emoji{font-size:38px}
  .feature-stats{grid-template-columns:repeat(3,1fr);gap:6px}
  .feature-stats div{padding:8px}
  .feature-stats b{font-size:18px}
  .feature-foot{font-size:12px}

  /* Bandas simuladas: 2 por fila */
  .fleet-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .fleet-card{padding:12px}
  .fleet-name{font-size:14px}
  .fleet-stats{grid-template-columns:repeat(2,1fr);row-gap:8px}

  /* Métricas en 2 columnas */
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .metric-card{padding:14px 14px 13px}
  .metric-card strong{font-size:25px}
  .mini-grid{grid-template-columns:repeat(2,minmax(0,1fr)) !important;gap:10px}
  .mini-grid article{padding:14px}
  .mini-grid article:nth-child(3):last-child{grid-column:1 / -1}
  .mini-grid strong{font-size:21px}

  .sleep-total{font-size:24px}
  .sleep-grid{grid-template-columns:repeat(2,1fr);gap:8px}
  .sleep-grid div{padding:12px}
  .sleep-grid strong{font-size:16px}

  .chart-grid{grid-template-columns:1fr;gap:12px}
  .line-chart{height:120px}

  th,td{padding:10px 8px}
  footer{padding:18px 8px 24px}

  /* Login: un solo logo */
  .login-card-logo{display:none}
  .login-card h2{font-size:24px}

  /* Vincular banda */
  .pair-layout{grid-template-columns:1fr}
  .pair-result{flex-direction:column;align-items:center;text-align:center}
  .pair-code{font-size:34px}
  .qr-box{min-width:0;min-height:0}
  .pair-form{flex-direction:column}

  .info-dialog{padding:20px 18px 14px}
}

@media(max-width:380px){
  .metric-card strong{font-size:22px}
  .feature-stats{grid-template-columns:repeat(2,1fr)}
  .fleet-grid{grid-template-columns:1fr}
}

/* ---- Estado de ánimo ---- */
.hero-mood{display:inline-flex;align-items:center;gap:14px;margin-top:16px;padding:12px 18px;text-align:left;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:18px;backdrop-filter:blur(10px);max-width:520px}
.hero-mood .emoji{font-size:44px;line-height:1}
.hero-mood strong{display:block;font-size:19px;color:#fff}
.hero-mood small{display:block;font-size:13px;color:#dbf1f6;line-height:1.45;margin-top:2px}
.hero-mood .info-btn{color:#cfeff6}
.mood-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;margin-top:17px;box-shadow:var(--shadow)}
.mood-timeline{display:grid;grid-template-columns:repeat(24,minmax(0,1fr));gap:4px;margin-top:16px}
.mood-cell{display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 0;border-radius:10px;background:#f5fafc}
.mood-cell span{font-size:20px;line-height:1}
.mood-cell small{font-size:9.5px;color:var(--muted)}
.mood-cell.empty span{color:#c3d2da}
.mood-dist{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:8px 22px;margin-top:18px}
.mood-row{display:grid;grid-template-columns:26px 90px 1fr 40px;align-items:center;gap:8px;font-size:13px}
.mood-emoji{font-size:20px}
.mood-name{font-weight:700;color:var(--navy)}
.mood-bar{height:9px;background:#eef4f7;border-radius:99px;overflow:hidden}
.mood-bar i{display:block;height:100%;border-radius:99px}
.mood-row b{text-align:right;color:var(--navy)}
@media(max-width:760px){
  .hero-mood{padding:10px 14px;gap:10px}
  .hero-mood .emoji{font-size:36px}
  .hero-mood strong{font-size:17px}
  .mood-card{padding:16px;border-radius:18px}
  .mood-timeline{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:38px;overflow-x:auto;padding-bottom:4px}
  .mood-dist{grid-template-columns:1fr}
}

/* Ventana de información: desplazable si el texto es largo */
.info-dialog{max-height:86vh;overflow-y:auto}
.info-dialog p{margin-bottom:8px}

/* ---- Bandas desvinculadas y administración ---- */
.flash{background:#e8f6ff;border:1px solid #bfe3f8;color:var(--navy);border-radius:14px;padding:12px 16px;margin-bottom:14px;font-weight:600}
.unlinked-section summary{cursor:pointer;list-style:none}
.unlinked-section summary::-webkit-details-marker{display:none}
.unlinked-section summary h2::after{content:" ▾";font-size:14px;color:var(--muted)}
.unlinked-section[open] summary h2::after{content:" ▴"}
.unlinked-section .count{font-size:13px;background:#eef2f4;color:#6b7f8c;border-radius:99px;padding:2px 9px;vertical-align:middle}
.admin-card .badge{white-space:nowrap}
.admin-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin-top:14px}
.admin-actions form{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fbfdfe}
.admin-actions .danger-zone{border-color:#f6d3d0;background:#fffafa}
.admin-actions p{margin:8px 0 0}

.pair-ok{background:#e9f8ef;border:1px solid #bfe8cf;color:#13824a;border-radius:14px;padding:12px 16px;margin:12px 0;font-weight:700}
.pair-ok.big{font-size:20px;padding:26px;text-align:center;width:100%}

.admin-note{grid-column:1/-1;border:1px dashed var(--line);border-radius:14px;padding:14px;background:#fbfdfe;font-size:14px;color:#40576a;line-height:1.55}
.admin-note a{color:var(--blue);font-weight:800}