/* AlarmaOnline.com — diseño limpio (claro por defecto, toggle oscuro) */
:root{
  --bg:#f4f6fb; --surface:#ffffff; --surface2:#f7f9fc; --line:#e4e8f0;
  --txt:#1a2233; --muted:#697089; --accent:#2563eb; --accent2:#0ea5a4;
  --danger:#e5484d; --warn:#e8890c; --ok:#12a150;
  --btn:#2563eb; --btn-h:#1d4fd7; --radius:16px;
  --shadow:0 6px 24px rgba(28,45,90,.08); --shadow-lg:0 20px 50px rgba(28,45,90,.18);
}
:root[data-theme="dark"]{
  --bg:#0d1220; --surface:#141b2e; --surface2:#1a2237; --line:#28324c;
  --txt:#eef2ff; --muted:#94a0bd; --accent:#5b8cff; --accent2:#37e0b0;
  --danger:#ff5c72; --warn:#ffb454; --btn:#3352c9; --btn-h:#4b46d6;
  --shadow:0 8px 28px rgba(0,0,0,.35); --shadow-lg:0 24px 60px rgba(0,0,0,.5);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--txt);min-height:100dvh;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;line-height:1.55}
a{color:var(--accent);text-underline-offset:2px}
.wrap{max-width:min(1600px,100%);margin:0 auto;
  padding:calc(16px + env(safe-area-inset-top)) clamp(16px,4vw,72px) calc(56px + env(safe-area-inset-bottom)) clamp(16px,4vw,72px)}

/* Header */
header.top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:inherit}
.brand .logo{font-size:24px}
.brandname{font-weight:800;font-size:17px;letter-spacing:.2px}
.topright{display:flex;gap:8px;align-items:center}
.iconbtn{background:var(--surface);border:1px solid var(--line);color:var(--txt);
  width:42px;height:42px;border-radius:12px;cursor:pointer;font-size:17px;display:grid;place-items:center;transition:.15s}
.iconbtn:hover{border-color:var(--accent)}
.langsel{display:flex;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:13px;font-weight:800;background:var(--surface)}
.langsel a,.langsel span{padding:10px 12px;text-decoration:none;color:var(--muted);line-height:1}
.langsel .on{background:var(--accent);color:#fff}
.langsel a:hover{color:var(--txt)}

/* Reloj hero (dominante) */
.clock{background:transparent;text-align:center;padding:clamp(12px,3vw,40px) 8px 6px;margin:4px 0 2px;position:relative}
.clock .time{font-variant-numeric:tabular-nums;font-weight:800;
  font-size:clamp(72px,17vw,380px);line-height:.92;letter-spacing:1px;color:var(--txt)}
.clock .time .sec{color:var(--accent);font-size:.34em;vertical-align:super;font-weight:700;margin-left:6px}
.clock .cln{animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:.35}}
.clock .date{color:var(--muted);margin-top:8px;text-transform:capitalize;font-size:15px}
.subtitle{text-align:center;color:var(--muted);font-size:clamp(14.5px,1.6vw,19px);margin:0 auto 22px;max-width:680px}

/* Tabs herramientas */
.tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:16px}
.tab{white-space:nowrap;border:1px solid var(--line);background:var(--surface);color:var(--muted);
  padding:10px 15px;border-radius:999px;cursor:pointer;font-weight:700;font-size:14px;min-height:42px;transition:.15s}
.tab:hover{color:var(--txt);border-color:var(--accent)}
.tab[aria-selected="true"]{color:#fff;background:var(--accent);border-color:transparent}

/* Paneles */
.panel{display:none;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:24px;max-width:780px;margin:0 auto;width:100%}
.panel.active{display:block;animation:fade .2s ease}
@keyframes fade{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
h2.section{font-size:16px;margin:0 0 14px;display:flex;align-items:center;gap:8px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
label.fld{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted);font-weight:600}
input[type="time"],input[type="text"],input[type="number"],select{
  background:var(--surface2);border:1px solid var(--line);color:var(--txt);
  border-radius:12px;padding:13px;font-size:16px;font-family:inherit;min-width:0}
input[type="time"]{font-variant-numeric:tabular-nums;font-weight:700}

/* Botones */
.btn{border:none;border-radius:12px;padding:13px 20px;font-weight:800;font-size:15px;cursor:pointer;min-height:46px;
  color:#fff;background:var(--btn);transition:.15s}
.btn:hover{background:var(--btn-h)}
.btn.alt{background:var(--surface2);color:var(--txt);border:1px solid var(--line)}
.btn.alt:hover{border-color:var(--accent);background:var(--surface)}
.btn.g{background:var(--ok)} .btn.g:hover{filter:brightness(1.05)}
.btn.d{background:var(--danger)} .btn.d:hover{filter:brightness(1.05)}
.btn:active{transform:translateY(1px)}
.btn.wide{width:100%}
/* CTA hero: Poner una alarma */
.btn-hero{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;
  border:none;border-radius:16px;padding:20px;font-size:19px;font-weight:800;cursor:pointer;
  color:#fff;background:linear-gradient(135deg,var(--accent),#4f46e5);box-shadow:var(--shadow);transition:.15s}
.btn-hero:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-hero:active{transform:translateY(0)}

.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.chip{border:1px solid var(--line);background:var(--surface2);color:var(--muted);border-radius:999px;
  padding:9px 13px;cursor:pointer;font-weight:700;font-size:13px;min-height:38px;transition:.15s}
.chip:hover{color:var(--txt);border-color:var(--accent)}
.chip[aria-pressed="true"]{color:#fff;background:var(--accent);border-color:transparent}

.big{font-variant-numeric:tabular-nums;font-weight:800;font-size:clamp(52px,11vw,140px);text-align:center;line-height:1;letter-spacing:1px;margin:10px 0 16px}
.big.warn{color:var(--warn)} .big.acc{color:var(--accent2)}

.list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.alarm{display:flex;align-items:center;gap:12px;background:var(--surface2);border:1px solid var(--line);
  border-radius:14px;padding:13px 15px;flex-wrap:wrap}
.alarm .t{font-variant-numeric:tabular-nums;font-weight:800;font-size:26px}
.alarm .meta{color:var(--muted);font-size:13px;flex:1;min-width:120px}
.alarm .lbl{color:var(--txt);font-weight:600}
.sw{position:relative;width:52px;height:32px;flex:0 0 auto}
.sw input{opacity:0;width:0;height:0}
.sw span{position:absolute;inset:0;background:var(--line);border-radius:999px;transition:.2s;cursor:pointer}
.sw span:before{content:"";position:absolute;width:26px;height:26px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.sw input:checked+span{background:var(--ok)}
.sw input:checked+span:before{transform:translateX(20px)}
.sw input:focus-visible+span{outline:3px solid var(--accent);outline-offset:2px}
.del{width:44px;height:44px;border:none;background:none;color:var(--muted);cursor:pointer;font-size:18px;
  display:grid;place-items:center;border-radius:10px;transition:.15s}
.del:hover{background:var(--surface);color:var(--danger)}
.muted{color:var(--muted);font-size:13px}
.laps{margin-top:12px;max-height:180px;overflow:auto;font-variant-numeric:tabular-nums}
.laps div{display:flex;justify-content:space-between;padding:8px 4px;border-bottom:1px solid var(--line);font-weight:600}
.pomo-state{text-align:center;font-weight:800;letter-spacing:.5px;text-transform:uppercase;color:var(--accent);margin-bottom:2px}
.pomo-dots{display:flex;gap:6px;justify-content:center;margin-top:8px}
.pomo-dots i{width:10px;height:10px;border-radius:50%;background:var(--line)}
.pomo-dots i.on{background:var(--accent2)}
.slider{width:100%;accent-color:var(--accent)}
.world{display:flex;flex-direction:column;gap:8px;margin-top:6px}
.wz{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--surface2);border:1px solid var(--line);border-radius:12px;padding:11px 15px}
.wz .c{font-weight:700} .wz .h{font-variant-numeric:tabular-nums;font-weight:800;font-size:22px}
.wz .d{color:var(--muted);font-size:12px}

/* Anuncios + afiliación */
.ad{min-height:100px;display:flex;align-items:center;justify-content:center;margin:20px 0;padding:10px;
  border:1px dashed var(--line);border-radius:14px;text-align:center;color:var(--muted);font-size:12px;background:var(--surface)}
.reco{margin-top:24px}
.reco h3{font-size:15px;margin:0 0 4px}
.disc{font-size:12px;color:var(--muted);margin:0 0 12px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.pcard{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px;text-decoration:none;color:var(--txt);display:block;transition:.15s}
.pcard:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--accent)}
.pcard .emoji{font-size:26px}
.pcard b{display:block;margin:6px 0 2px;font-size:14px}
.pcard span{color:var(--muted);font-size:12px}

/* Anchos de lectura: bloques que no deben estirarse en pantallas grandes */
.tabs,.reco,.ad{max-width:1100px;margin-left:auto;margin-right:auto}
/* Contenido SEO */
.content{margin-top:40px;max-width:860px;margin-left:auto;margin-right:auto}
.content h1{font-size:23px;margin:26px 0 10px}
.content h2{font-size:19px;margin:24px 0 8px}
.content h3{font-size:16px;margin:18px 0 6px}
.content p,.content li{color:var(--txt)}
.content li{margin:4px 0}
details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:2px 16px;margin:8px 0}
summary{cursor:pointer;font-weight:700;color:var(--txt);padding:12px 0}
footer{margin-top:44px;text-align:center;color:var(--muted);font-size:13px;border-top:1px solid var(--line);padding-top:20px}

/* Modal genérico (alarma sonando #ring y formulario #alarmModal) */
.ring,.modal{position:fixed;inset:0;background:rgba(18,26,45,.55);display:none;place-items:center;z-index:60;
  backdrop-filter:blur(4px);padding:16px}
.ring.show,.modal.show{display:grid;animation:fade .18s}
.ringbox,.modalbox{background:var(--surface);border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-lg);width:100%;max-width:420px;max-height:90dvh;overflow:auto}
.ringbox{padding:28px 24px;text-align:center;max-width:340px}
.ringbox .em{font-size:54px;animation:shake 1s infinite}
@keyframes shake{0%,100%{transform:rotate(0)}25%{transform:rotate(-12deg)}75%{transform:rotate(12deg)}}
.ringbox .t{font-size:40px;font-weight:800;font-variant-numeric:tabular-nums;margin:6px 0}
.ringbox .l{color:var(--muted);margin-bottom:16px}
.ringbox .row{justify-content:center}
.modalhead{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:18px 20px;border-bottom:1px solid var(--line)}
.modalhead h2{font-size:17px;margin:0}
.modalbody{padding:20px}
.modalbody .row{margin-bottom:12px}
.xclose{width:38px;height:38px;border:none;background:var(--surface2);border-radius:10px;cursor:pointer;font-size:18px;color:var(--muted);display:grid;place-items:center}
.xclose:hover{color:var(--danger)}

:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:10px}

/* Responsive */
@media(max-width:600px){
  .wrap{padding-left:calc(14px + env(safe-area-inset-left));padding-right:calc(14px + env(safe-area-inset-right))}
  .tabs{justify-content:flex-start;flex-wrap:nowrap;overflow:auto;scrollbar-width:none;
    -webkit-mask:linear-gradient(90deg,#000 90%,transparent);mask:linear-gradient(90deg,#000 90%,transparent)}
  .tabs::-webkit-scrollbar{display:none}
  .panel{padding:18px}
  .clock .time{font-size:clamp(56px,20vw,90px)}
  .cards{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}
  #addAlarm{flex:1 1 100%}
}
@media(max-width:380px){ .clock .time .sec{display:block;margin:6px 0 0;font-size:.3em} }
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}