/* Programa de acompañamiento PWA v2 — modern, soft, performance-first (no external deps) */
@layer reset, base, components, utilities;

/* =========================
   RESET
   ========================= */
@layer reset {
  *,*::before,*::after{ box-sizing:border-box; }
  html{ -webkit-text-size-adjust:100%; text-size-adjust:100%; scroll-behavior:smooth; }
  body{ margin:0; }
  img,svg,video{ max-width:100%; display:block; }
  button,input,select,textarea{ font:inherit; }
  a{ color:inherit; }
  :focus-visible{ outline: 3px solid color-mix(in oklab, var(--accent), black 20%); outline-offset: 2px; }
}

/* =========================
   BASE / TOKENS
   ========================= */
@layer base{
  :root{
    color-scheme: light;

    /* palette (soft earth + aqua) */
    --bg: #f7f4ee;
    --bg-2: #f0e7da;
    --surface: rgba(255,255,255,.72);
    --surface-strong: rgba(255,255,255,.86);
    --ink: #14151a;
    --muted: #46505e;
    --muted-2: #6b7380;
    --border: rgba(20, 21, 26, 0.10);

    --accent: #2dd4bf;
    --accent-2: #5eead4;
    --sand: #e7d8bf;
    --gold-soft: #e8c27a;

    --shadow-1: 0 10px 30px rgba(20,21,26,.10);
    --shadow-2: 0 18px 55px rgba(20,21,26,.14);

    --r-lg: 1.4rem;
    --r-md: 1.0rem;
    --r-sm: .75rem;
    --pill: 999px;

    --max: 1160px;

    /* fluid space */
    --s-1: clamp(.4rem, .5vw, .55rem);
    --s-2: clamp(.7rem, .9vw, .9rem);
    --s-3: clamp(1rem, 1.3vw, 1.25rem);
    --s-4: clamp(1.4rem, 2.2vw, 2rem);
    --s-5: clamp(2.1rem, 3vw, 2.8rem);

    --t-fast: 150ms ease;
    --t-med: 260ms ease;

    --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans";
    --font-serif: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  }

  body{
    font-family: var(--font-sans);
    color: var(--ink);
    background:
      radial-gradient(80rem 46rem at 10% -10%, color-mix(in oklab, var(--accent), white 70%) 0%, transparent 60%),
      radial-gradient(64rem 44rem at 100% 0%, color-mix(in oklab, var(--gold-soft), white 65%) 0%, transparent 55%),
      linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 70%, var(--bg) 100%);
    min-height: 100svh;
  }

  .shell{
    width: min(100% - 2*var(--s-3), var(--max));
    margin-inline: auto;
  }

  .sr-only{
    position:absolute !important;
    width:1px;height:1px;
    padding:0;margin:-1px;
    overflow:hidden;clip:rect(0,0,0,0);
    white-space:nowrap;border:0;
  }
}

/* =========================
   COMPONENTS
   ========================= */
@layer components{
  /* Top bar */
  .topbar{
    position: sticky;
    top: 0;
    z-index: 20;
    background: color-mix(in oklab, var(--surface), var(--bg) 50%);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
  }
  .topbar__inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap: var(--s-2);
    padding-block: var(--s-2);
  }
  .brand{
    display:flex;
    align-items:center;
    gap: var(--s-2);
    text-decoration:none;
  }
  .brand img{
    width: 44px;
    height: 44px;
    object-fit: contain;
  }
  .brand__title{
    display:flex;
    flex-direction:column;
    line-height:1.05;
  }
  .brand__title strong{
    letter-spacing:.08em;
    text-transform:uppercase;
    font-size: .9rem;
  }
  .brand__title span{
    font-size:.8rem;
    color: var(--muted);
  }

  .topbar__actions{
    display:flex;
    align-items:center;
    gap: var(--s-2);
  }

  /* Buttons */
  .btn{
    --bgc: color-mix(in oklab, var(--accent), white 70%);
    --fgc: var(--ink);
    --brd: color-mix(in oklab, var(--accent), black 70%);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:.55rem;
    padding: .72rem 1.05rem;
    border-radius: var(--pill);
    border: 1px solid var(--brd);
    background: var(--bgc);
    color: var(--fgc);
    text-decoration:none;
    font-weight: 650;
    letter-spacing:.06em;
    text-transform: uppercase;
    font-size: .82rem;
    box-shadow: var(--shadow-1);
    cursor:pointer;
    transition: transform var(--t-fast), box-shadow var(--t-med), background var(--t-med);
    user-select:none;
  }
  .btn:hover{ transform: translateY(-1px); box-shadow: var(--shadow-2); }
  .btn:active{ transform: translateY(0); box-shadow: var(--shadow-1); }
  .btn--ghost{
    --bgc: rgba(255,255,255,.55);
    --brd: var(--border);
    --fgc: var(--ink);
    box-shadow: none;
  }
  .btn--subtle{
    --bgc: rgba(255,255,255,.35);
    --brd: var(--border);
    --fgc: var(--muted);
    box-shadow: none;
  }
  .btn--success{
    --bgc: #22c55e;
    --brd: color-mix(in oklab, #22c55e, black 40%);
    --fgc: #ffffff;
    box-shadow: var(--shadow-2);
  }
  .btn--small{ padding: .5rem .8rem; font-size: .76rem; letter-spacing:.08em; }
  .btn[aria-disabled="true"]{ opacity:.55; pointer-events:none; }

  /* Hero / Welcome */
  .welcome{
    padding-block: var(--s-5);
  }
  .welcome__grid{
    display:grid;
    grid-template-columns: 1.25fr 1fr;
    gap: var(--s-5);
    align-items:center;
  }
  .welcome h1{
    margin:0 0 var(--s-2);
    font-size: clamp(2.1rem, 3.5vw, 3.2rem);
    line-height: 1.05;
    letter-spacing:-.02em;
  }
  .welcome p{
    margin:0 0 var(--s-3);
    color: var(--muted);
    font-size: clamp(1rem, 1.1vw, 1.1rem);
    line-height: 1.55;
  }
  .glass{
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-2);
    overflow:hidden;
  }
  .glass--pad{ padding: var(--s-4); }

  .bgvid{
    position: relative;
    min-height: clamp(320px, 38vw, 460px);
  }
  .bgvid video{
    position:absolute; inset:0;
    width:100%; height:100%;
    object-fit: cover;
    filter: saturate(1.05) contrast(1.05);
    transform: scale(1.02);
  }
  .bgvid::after{
    content:"";
    position:absolute; inset:0;
    background: linear-gradient(180deg, rgba(247,244,238,.25) 0%, rgba(240,231,218,.65) 70%, rgba(247,244,238,.9) 100%);
  }
  .bgvid__overlay{
    position: relative;
    z-index: 1;
    padding: var(--s-4);
    display:flex;
    flex-direction:column;
    justify-content:flex-end;
    min-height: inherit;
    gap: var(--s-2);
  }
  .bgvid__overlay h2{
    margin:0;
    font-size: 1.3rem;
    letter-spacing:.04em;
    text-transform: uppercase;
  }
  .bgvid__overlay p{
    margin:0;
    color: var(--muted);
  }

  /* Dashboard */
  .dash{
    padding-block: var(--s-4);
  }
  .cards{
    display:grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--s-3);
    margin-top: var(--s-3);
  }
  .card{
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-1);
    padding: var(--s-3);
    display:grid;
    grid-template-rows: auto 1fr auto;
    gap: var(--s-2);
    transition: transform var(--t-fast), box-shadow var(--t-med);
  }
  .card:hover{ transform: translateY(-2px); box-shadow: var(--shadow-2); }
  .card h3{ margin:0; font-size: 1.05rem; }
  .card p{ margin:0; color: var(--muted); line-height: 1.55; font-size: .95rem; }
  .meta{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap: var(--s-2);
    color: var(--muted-2);
    font-size:.85rem;
  }
  .progress{
    height: 10px;
    border-radius: var(--pill);
    background: rgba(20,21,26,.10);
    overflow:hidden;
  }
  .progress > span{
    display:block;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
  }

  /* Day layout */
  .day{
    padding-block: var(--s-4);
  }
  .day__grid{
    display:grid;
    grid-template-columns: 360px 1fr;
    gap: var(--s-4);
    align-items:start;
  }
  .steps{
    position: sticky;
    top: calc(76px + var(--s-2));
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-1);
    padding: var(--s-3);
  }
  .steps h2{
    margin:0 0 var(--s-2);
    font-size: 1.05rem;
    letter-spacing:.06em;
    text-transform: uppercase;
  }
  .step-list{
    list-style:none;
    margin:0;
    padding:0;
    display:grid;
    gap: .55rem;
  }
  .step-item{
    display:flex;
    gap:.65rem;
    padding:.7rem .75rem;
    border-radius: .9rem;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.55);
    cursor:pointer;
    transition: background var(--t-fast), transform var(--t-fast);
  }
  .step-item:hover{ transform: translateY(-1px); }
  .step-item[aria-selected="true"]{
    background: color-mix(in oklab, var(--accent), white 75%);
    border-color: color-mix(in oklab, var(--accent), black 75%);
  }
  .step-dot{
    width: 10px; height: 10px;
    margin-top: .35rem;
    border-radius: 999px;
    background: rgba(20,21,26,.25);
  }
  .step-item.completed .step-dot{
    background: linear-gradient(180deg, var(--accent), var(--accent-2));
  }
  .step-item.completed strong{
    color: color-mix(in oklab, var(--accent-2), black 15%);
  }
  .step-item.completed span{
    color: color-mix(in oklab, var(--muted), black 5%);
  }
  .step-item strong{
    display:block;
    font-size: .92rem;
  }
  .step-item span{
    display:block;
    font-size: .8rem;
    color: var(--muted-2);
    margin-top:.15rem;
  }

  .panel{
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-2);
    padding: var(--s-4);
  }
  .panel h1{
    margin:0 0 var(--s-2);
    font-size: clamp(1.6rem, 2.2vw, 2.1rem);
    line-height:1.12;
  }
  .panel .lede{
    margin:0 0 var(--s-3);
    color: var(--muted);
    line-height: 1.6;
  }
  .panel .actions{
    display:flex;
    flex-wrap:wrap;
    gap: var(--s-2);
    margin-top: var(--s-2);
  }

  /* Modal (vídeo + check-in) */
.modal{
  position:fixed;
  inset:0;
  display:flex;
  align-items:flex-start;
  justify-content:center;
  background: rgba(10,10,12,.45);
  padding: var(--s-3);
  opacity:0;
  pointer-events:none;
  transition: opacity var(--t-med);
  z-index: 50;
  overflow:auto; /* allow scrolling when dialog is taller than viewport */
}
.modal[aria-hidden="false"]{ opacity:1; pointer-events:auto; }
.modal__dialog{
  width:min(980px, 100%);
  background: rgba(255,255,255,.92);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-2);
  overflow:hidden;

  /* critical: make modal content scrollable */
  display:flex;
  flex-direction:column;
  max-height: calc(100dvh - (var(--s-3) * 2));
}
  .modal__top{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap: var(--s-2);
    padding: .85rem 1rem;
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,.55);
  }
  .modal__top strong{ letter-spacing:.08em; text-transform: uppercase; font-size:.82rem; }
.modal__body{
  padding: 1rem;
  overflow:auto; /* scroll inside modal */
}
  .ratio{
    position:relative;
    width:100%;
    padding-top:56.25%;
    background: rgba(20,21,26,.06);
  }
  .ratio iframe{
    position:absolute; inset:0;
    width:100%; height:100%;
    border:0;
  }

  .video-placeholder{
    position:absolute; inset:0;
    display:flex;
    align-items:center;
    justify-content:center;
    padding: 1rem;
    text-align:center;
  }
  .video-placeholder__inner{
    max-width: 520px;
    background: rgba(255,255,255,.72);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 1rem 1.05rem;
  }

  /* AI panel */
  .ai-fab{
    position: fixed;
    right: var(--s-3);
    bottom: var(--s-3);
    z-index: 30;
  }
  .ai-panel{
    position: fixed;
    right: var(--s-3);
    bottom: calc(var(--s-3) + 60px);
    width: min(420px, calc(100vw - 2*var(--s-3)));
    max-height: min(70vh, 620px);
    display:none;
    z-index: 35;
  }
  .ai-panel[aria-hidden="false"]{ display:block; }
  .ai-panel__inner{
    display:grid;
    grid-template-rows: auto 1fr auto;
    gap: var(--s-2);
  }
  .ai-panel__head{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap: var(--s-2);
  }
  .ai-panel__head strong{ font-size:.92rem; }
  .ai-log{
    overflow:auto;
    background: rgba(255,255,255,.55);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: var(--s-2);
    display:grid;
    gap: var(--s-2);
  }
  .msg{
    padding: .65rem .75rem;
    border-radius: .95rem;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.75);
    box-shadow: 0 8px 18px rgba(20,21,26,.07);
    line-height:1.45;
    font-size: .92rem;
  }
  .msg--me{ background: color-mix(in oklab, var(--accent), white 82%); border-color: color-mix(in oklab, var(--accent), black 78%); }
  .ai-form{
    display:flex;
    gap: .6rem;
    align-items:center;
  }
  .ai-form input{
    flex:1;
    padding: .75rem .9rem;
    border-radius: var(--pill);
    border: 1px solid var(--border);
    background: rgba(255,255,255,.65);
  }

  /* Footer */
  .foot{
    padding-block: var(--s-4);
    color: var(--muted-2);
    font-size: .86rem;
  }
  .foot a{ text-decoration: none; border-bottom: 1px dashed color-mix(in oklab, var(--muted-2), transparent 40%); }
  .foot a:hover{ color: var(--ink); }
}

/* =========================
   UTILITIES
   ========================= */
@layer utilities{
  .stack{ display:grid; gap: var(--s-2); }
  .row{ display:flex; gap: var(--s-2); flex-wrap:wrap; align-items:center; }
  .kbd{
    padding: .12rem .45rem;
    border-radius: .5rem;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.65);
    font-size: .8rem;
    color: var(--muted);
  }
  .kbd--link{
    text-decoration:none;
    cursor:pointer;
  }
  .kbd--link:hover{
    border-color: color-mix(in oklab, var(--accent), black 75%);
    color: var(--ink);
  }
  .is-disabled{
    pointer-events:none;
    opacity:.55;
    filter: grayscale(.1);
  }
  @media (max-width: 980px){
    .welcome__grid{ grid-template-columns: 1fr; }
    .day__grid{ grid-template-columns: 1fr; }
    .steps{ position: relative; top: 0; }
    .cards{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  }
  @media (max-width: 640px){
    .cards{ grid-template-columns: 1fr; }
  }
}


/* Resource list (integration days) */
.resource-list{margin:0;padding-left:1.1rem;display:grid;gap:.35rem}
.resource-list a{color:var(--ink);text-decoration:none;border-bottom:1px solid rgba(0,0,0,.12)}
.resource-list a:hover{text-decoration:none;border-bottom-color:rgba(0,0,0,.28)}
@media (prefers-color-scheme: dark){.resource-list a{color:var(--ink)}
.resource-list a{border-bottom-color:rgba(255,255,255,.18)}
.resource-list a:hover{border-bottom-color:rgba(255,255,255,.32)}}



/* Programa de acompañamiento Salud — Week actions + weekly report dropdown */
.hs-week-actions { margin-top: var(--s-2); max-width: 520px; }
.hs-week-actions .btn { width: 100%; justify-content: center; }
.hs-details { width: 100%; }
.hs-details > summary { list-style: none; }
.hs-details > summary::-webkit-details-marker { display: none; }
.hs-details[open] > summary { margin-bottom: var(--s-2); }
.hs-week-report-body { width: 100%; }

/* Safety banner (red flags) */
.safety-banner{
  border-top: 1px solid var(--border);
  background: color-mix(in oklab, var(--surface), #fff 35%);
}
.safety-banner__inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: var(--s-2);
  padding-block: .6rem;
}
@media (max-width: 640px){
  .safety-banner__inner{ flex-direction:column; }
  .safety-banner__inner .btn{ width:100%; justify-content:center; }
}


/* Permite clicar en 'Siguiente' bloqueado para mostrar aviso */
.nav-next[aria-disabled="true"]{
  pointer-events:auto;
  cursor:not-allowed;
}