/* ================================================
   VIROL 42.2 — "BIOFLOW TELEMETRY" DESIGN SYSTEM
   ================================================ */

:root {
  /* PALETA TÁCTICA */
  --primary-orange: #FF6D00;
  --orange-glow: rgba(255, 109, 0, 0.15);
  --orange-dark: #e65100;
  --bg: #0B0E14;
  --s1: #161B22;
  --s2: #1C2230;
  --s3: #222A38;
  --text: #FFFFFF;
  --muted: #8B949E;
  --muted2: #3D4B5C;
  --border: #30363D;
  --border2: rgba(255, 109, 0, 0.3);
  /* mantener --lime para compatibilidad interna */
  --lime: #FF6D00;
  --lime-glow: var(--orange-glow);

  /* TIPOGRAFÍAS */
  --font-speed: 'Oswald', sans-serif;
  --font-data: 'Inter', sans-serif;
  --font-tech: 'Roboto Mono', monospace;

  /* RADIOS */
  --radius: 8px;
  --radius-sm: 6px;

  /* OTROS */
  --red: #FF3B30;
  --blue: #2F81F7;
}

/* ---- RESET & TRANSITIONS ---- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-data);
  font-size:14px;
  min-height:100vh;
  overflow-x:hidden;
  transition: background 0.35s ease, color 0.35s ease;
}

/* ============================================
   LIGHT MODE — data-theme='light'
   ============================================ */
html[data-theme='light'] {
  --primary-orange: #E65100;
  --orange-glow: rgba(230, 81, 0, 0.10);
  --orange-dark: #BF360C;
  --bg: #F5F7FA;
  --s1: #FFFFFF;
  --s2: #F0F2F5;
  --s3: #E8EAED;
  --text: #1A1D23;
  --muted: #586069;
  --muted2: #B0B8C4;
  --border: #D1D5DA;
  --border2: rgba(230, 81, 0, 0.25);
  --lime: #E65100;
  --lime-glow: rgba(230, 81, 0, 0.10);
}

html[data-theme='light'] .sidebar {
  box-shadow: 2px 0 12px rgba(0,0,0,0.06);
}
html[data-theme='light'] .card {
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
html[data-theme='light'] .topbar {
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
html[data-theme='light'] .stat-card {
  box-shadow: 0 1px 6px rgba(0,0,0,0.06);
}
html[data-theme='light'] .bottom-nav {
  background: rgba(255,255,255,0.96);
  border-top-color: var(--border);
}
html[data-theme='light'] .mobile-overlay {
  background: rgba(0,0,0,0.4);
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar{width:4px;height:4px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--muted2);border-radius:2px}

/* ---- LAYOUT ---- */
#app{position:relative;z-index:1;display:grid;grid-template-columns:220px 1fr;grid-template-rows:auto 1fr;min-height:100vh}

/* ---- SIDEBAR ---- */
.sidebar{
  grid-row:1/3;
  background:var(--s1);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;
  padding:24px 0;
  position:sticky;top:0;height:100vh;overflow-y:auto;
}
.sidebar-logo{padding:0 20px 24px;border-bottom:1px solid var(--border)}
.logo-text{
  font-family:var(--font-speed);
  font-style:italic;
  font-weight:700;
  font-size:24px;
  letter-spacing:1px;
  text-transform:uppercase;
}
.logo-text span{color:var(--primary-orange)}
.logo-sub{
  font-family:var(--font-tech);
  font-size:9px;
  color:var(--muted);
  letter-spacing:2px;
  text-transform:uppercase;
  margin-top:3px;
}
.nav{padding:20px 12px;flex:1;display:flex;flex-direction:column;gap:2px}
.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:var(--radius-sm);
  cursor:pointer;color:var(--muted);
  font-family:var(--font-tech);
  font-size:11px;letter-spacing:0.5px;
  font-weight:400;transition:all .2s;
  border:none;background:none;width:100%;text-align:left;
}
.nav-item svg{width:16px;height:16px;flex-shrink:0;opacity:.5;transition:opacity .2s}
.nav-item:hover{color:var(--text);background:var(--s2)}
.nav-item:hover svg{opacity:1}
.nav-item.active{
  color:var(--primary-orange);
  background:var(--orange-glow);
  border-left:3px solid var(--primary-orange);
}
.nav-item.active svg{opacity:1;stroke:var(--primary-orange)}
.nav-section{
  font-family:var(--font-tech);
  font-size:8px;letter-spacing:2px;
  text-transform:uppercase;color:var(--muted2);
  padding:16px 12px 6px;
}
.sidebar-bottom{padding:16px 20px;border-top:1px solid var(--border)}
.marathon-countdown{
  background:var(--s2);border-radius:var(--radius-sm);
  padding:12px;border:1px solid var(--border);
  border-left:3px solid var(--primary-orange);
}
.countdown-label{
  font-family:var(--font-tech);
  font-size:9px;color:var(--muted);
  letter-spacing:1.5px;text-transform:uppercase;
}
.countdown-days{
  font-family:var(--font-speed);
  font-style:italic;
  font-size:30px;font-weight:700;
  color:var(--primary-orange);line-height:1.1;
  margin:4px 0 2px;
}

/* ---- TOPBAR ---- */
.topbar{
  padding:14px 28px;
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  background:var(--s1);
  position:sticky;top:0;z-index:50;
}
.page-title{
  font-family:var(--font-speed);
  font-style:italic;
  font-size:20px;font-weight:700;
  text-transform:uppercase;letter-spacing:1px;
  border-left:3px solid var(--primary-orange);
  padding-left:10px;
}
.topbar-right{display:flex;align-items:center;gap:12px}
.athlete-chip{
  display:flex;align-items:center;gap:8px;
  background:var(--s2);border:1px solid var(--border);
  padding:5px 12px 5px 6px;border-radius:24px;
}
.athlete-av-initials{
  width:26px;height:26px;border-radius:50%;
  background:var(--orange-glow);border:2px solid var(--primary-orange);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-speed);font-style:italic;
  font-size:10px;font-weight:700;color:var(--primary-orange);
}
.athlete-av-img{
  width:26px;height:26px;border-radius:50%;
  border:2px solid var(--primary-orange);
  object-fit:cover;margin-left:-4px; /* Un ligero solapamiento chulo */
}
.athlete-name{font-family:var(--font-data);font-size:12px;font-weight:600}
.topbar-logo-mobile{
  font-family:var(--font-speed);font-style:italic;
  font-size:20px;font-weight:700;letter-spacing:1px;
  text-transform:uppercase;display:none;
}
.topbar-logo-mobile span{color:var(--primary-orange)}
.topbar-name-desktop{display:block}

/* ---- MAIN ---- */
.main{padding:24px 28px;overflow-y:auto;display:flex;flex-direction:column;gap:18px}

/* ---- PAGES ---- */
.page{display:none;flex-direction:column;gap:18px}
.page.active{display:flex}

/* ---- CARDS ---- */
.card{
  background:var(--s1);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;
  transition:border-color .2s;
}
.card:hover{border-color:var(--muted2)}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.card-title{
  font-family:var(--font-speed);
  font-style:italic;
  font-size:13px;font-weight:700;
  text-transform:uppercase;letter-spacing:1px;
  border-left:3px solid var(--primary-orange);
  padding-left:8px;color:var(--text);
}
.card-badge{
  font-family:var(--font-tech);
  font-size:9px;color:var(--muted);
  background:var(--s2);padding:3px 8px;border-radius:3px;
  border:1px solid var(--border);
}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.grid2 > *, .grid3 > *, .grid4 > * { min-width: 0; }
canvas { max-width: 100% !important; }

/* ---- STAT CARDS (KPIs) ---- */
.stat-card{
  background:var(--s2);
  border:1px solid var(--border);
  border-top:2px solid var(--primary-orange);
  border-radius:var(--radius-sm);
  padding:14px;
  position:relative;overflow:hidden;
}
.stat-label{
  font-family:var(--font-tech);
  font-size:9px;color:var(--muted);
  text-transform:uppercase;letter-spacing:1px;
  margin-bottom:8px;display:block;
}
.stat-val{
  font-family:var(--font-speed);
  font-style:italic;
  font-size:26px;font-weight:700;line-height:1;
  color:var(--text);
}

/* ---- PROGRESS BAR ---- */
.prog-wrap{margin-top:6px}
.prog-label{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-bottom:4px;font-family:var(--font-tech)}
.prog-bar{height:3px;background:var(--s3);border-radius:2px;overflow:hidden}
.prog-fill{height:100%;border-radius:2px;background:var(--primary-orange);transition:width .8s cubic-bezier(.4,0,.2,1)}

/* ---- CALENDAR TILES ---- */
.calendar-scroll-wrap{overflow-x:auto;padding-bottom:8px}
.calendar-scroll-wrap::-webkit-scrollbar{height:3px}
.calendar-grid{display:flex;gap:8px;min-width:min-content}
.cal-day{
  background:var(--s2);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:10px;
  text-align:center;transition:all .2s;flex:1;min-width:80px;
}
.cal-day.active{border-color:var(--primary-orange);border-top:2px solid var(--primary-orange);background:var(--orange-glow)}
.cal-name{font-family:var(--font-tech);font-size:9px;color:var(--muted);text-transform:uppercase;margin-bottom:4px}
.cal-task{font-family:var(--font-speed);font-style:italic;font-size:12px;font-weight:700}
.cal-task.run{color:var(--blue)}
.cal-task.strength{color:var(--primary-orange)}
.cal-task.rest{color:var(--muted2)}

/* ---- CHECKLIST ---- */
.check-item{
  display:flex;align-items:center;gap:12px;
  padding:12px;background:var(--s2);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  margin-bottom:8px;cursor:pointer;transition:all .2s;
}
.check-item:hover{border-color:var(--muted2)}
.check-item.done{opacity:.5}
.check-box{
  width:20px;height:20px;border-radius:4px;
  border:2px solid var(--muted2);
  display:flex;align-items:center;justify-content:center;
  transition:all .2s;flex-shrink:0;
}
.check-item.done .check-box{background:var(--primary-orange);border-color:var(--primary-orange)}
.check-box svg{width:12px;height:12px;stroke:white;display:none}
.check-item.done .check-box svg{display:block;stroke:var(--bg)}
.check-info{flex:1}
.check-title{font-family:var(--font-data);font-size:13px;font-weight:600}
.check-meta{font-family:var(--font-tech);font-size:10px;color:var(--muted)}

/* ---- SUPPLEMENTS ---- */
.supp-item{display:flex;align-items:center;gap:12px;padding:12px;background:var(--s2);border-radius:var(--radius-sm);border:1px solid var(--border);margin-bottom:8px}
.supp-emoji{width:36px;height:36px;border-radius:6px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:var(--orange-glow);border:1px solid var(--border2)}
.supp-body{flex:1}
.supp-name{font-family:var(--font-data);font-size:13px;font-weight:600}
.supp-time{font-family:var(--font-tech);font-size:11px;font-weight:500;color:var(--primary-orange)}

/* ---- MOBILE MENU ---- */
.mobile-menu-btn{display:none;background:none;border:none;color:var(--text);cursor:pointer;padding:4px}
.mobile-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.7);backdrop-filter:blur(2px);z-index:90;display:none;opacity:0;transition:opacity 0.3s}
.mobile-overlay.active{display:block;opacity:1}

/* ---- BOTTOM NAV ---- */
.bottom-nav{
  display:none;position:fixed;bottom:0;left:0;right:0;z-index:200;
  background:rgba(11,14,20,0.96);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-top:1px solid var(--border);
  padding:8px 0 env(safe-area-inset-bottom, 8px);
}
.bottom-nav-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:6px 0;
  background:none;border:none;color:var(--muted);
  font-family:var(--font-tech);font-size:9px;letter-spacing:0.5px;text-transform:uppercase;
  cursor:pointer;transition:color 0.2s;-webkit-tap-highlight-color:transparent;
}
.bottom-nav-item svg{transition:stroke 0.2s}
.bottom-nav-item.active{color:var(--primary-orange)}
.bottom-nav-item.active svg{stroke:var(--primary-orange)}

/* ---- ACTIVITY TABLE ---- */
.activity-table{width:100%;border-collapse:collapse;font-size:12px;text-align:left}
.activity-table th{
  padding:10px 8px;color:var(--muted);
  font-family:var(--font-tech);text-transform:uppercase;font-size:9px;
  border-bottom:1px solid var(--border);
}
.activity-table td{padding:10px 8px;border-bottom:1px solid var(--border);vertical-align:middle;word-break:break-word}
.activity-table tr:last-child td{border-bottom:none}
.activity-table tr:hover td{background:var(--s2)}
.date-short{font-family:var(--font-tech);font-size:11px;color:var(--muted)}
.date-year{font-family:var(--font-tech);font-size:9px;color:var(--muted2);display:block;line-height:1.2}

/* ---- NUTRITION CARDS (mobile) ---- */
.nutri-card{background:var(--s2);border-radius:var(--radius-sm);padding:14px;margin-bottom:10px;border:1px solid var(--border);border-left:3px solid var(--primary-orange)}
.nutri-card-day{font-family:var(--font-speed);font-style:italic;font-weight:700;text-transform:uppercase;color:var(--primary-orange);font-size:14px;margin-bottom:10px}
.nutri-card-meal{margin-bottom:8px;font-size:13px;line-height:1.5}
.nutri-card-label{font-family:var(--font-tech);font-size:9px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:2px;display:block}

/* ---- AI BUTTONS ---- */
.btn-ai{
  background:var(--primary-orange);
  color:white;
  font-family:var(--font-speed);
  font-style:italic;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.5px;
  border:none;
  padding:10px 18px;
  border-radius:var(--radius-sm);
  font-size:12px;cursor:pointer;
  display:flex;align-items:center;gap:8px;
  transition:all .2s;
}
.btn-ai:hover{background:var(--orange-dark);transform:translateY(-1px)}
.btn-ai svg{width:14px;height:14px}
.btn-ai.loading{opacity:0.6;pointer-events:none;filter:grayscale(0.3)}

/* ---- MODAL ---- */
.modal{position:fixed;inset:0;background:rgba(0,0,0,0.85);backdrop-filter:blur(6px);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.modal.active{display:flex}
.modal-content{background:var(--s1);border:1px solid var(--border);border-radius:var(--radius);padding:24px;max-width:400px;width:100%}
.input-ai{
  width:100%;background:var(--s2);
  border:1px solid var(--border);padding:10px 12px;
  border-radius:var(--radius-sm);color:var(--text);
  font-family:var(--font-tech);font-size:12px;margin:10px 0;
  transition:border-color .2s;
}
.input-ai:focus{outline:none;border-color:var(--primary-orange)}

/* ---- NUTRITION TABLE ---- */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:12px;text-align:left}
th{padding:10px 12px;color:var(--muted);font-family:var(--font-tech);text-transform:uppercase;font-size:9px;border-bottom:1px solid var(--border)}
td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top;font-family:var(--font-data)}
tr:last-child td{border-bottom:none}
.td-day{font-family:var(--font-speed);font-style:italic;font-weight:700;text-transform:uppercase;color:var(--primary-orange);width:80px;font-size:14px}

/* ---- SHOPPING LIST ---- */
.shop-cat{margin-bottom:20px}
.cat-title{
  font-family:var(--font-speed);font-style:italic;font-weight:700;
  color:var(--primary-orange);text-transform:uppercase;
  margin-bottom:10px;font-size:12px;
  display:flex;align-items:center;gap:8px;
}
.cat-title::after{content:'';height:1px;background:var(--border);flex:1}

/* ---- ALERTS ---- */
.alert{font-family:var(--font-data);font-size:13px;border-radius:var(--radius-sm)}

/* ---- TELEMETRY TITLE (standalone) ---- */
.title-telemetry{
  font-family:var(--font-speed);font-style:italic;font-weight:700;
  text-transform:uppercase;color:var(--text);letter-spacing:1px;
  border-left:4px solid var(--primary-orange);padding-left:10px;
}
.data-value{
  font-family:var(--font-data);font-weight:800;font-size:2rem;color:var(--text);
}
.label-tech{
  font-family:var(--font-tech);font-size:0.7rem;color:var(--muted);text-transform:uppercase;
}

/* ---- THEME TOGGLE BUTTON ---- */
.theme-toggle-btn{
  background:var(--s2);
  border:1px solid var(--border);
  border-radius:20px;
  padding:6px 10px;
  cursor:pointer;
  color:var(--muted);
  display:flex;align-items:center;justify-content:center;
  transition:all 0.2s;
  -webkit-tap-highlight-color:transparent;
}
.theme-toggle-btn:hover{
  border-color:var(--primary-orange);
  color:var(--primary-orange);
  background:var(--orange-glow);
}

/* ---- RESPONSIVE ---- */
@media(max-width:700px){
  #app{grid-template-columns:1fr;display:block}
  .mobile-menu-btn{display:none}
  .topbar-logo-mobile{display:block}
  .topbar-name-desktop{display:none}
  .sidebar{
    position:fixed;left:0;top:0;height:100vh;width:260px;
    z-index:100;transform:translateX(-100%);
    transition:transform 0.3s cubic-bezier(0.4,0,0.2,1);
    border-right:1px solid var(--border);background:var(--s1);
  }
  .sidebar.open{transform:translateX(0)}
  .bottom-nav{display:flex}
  .main{padding:16px 12px 90px}
  .topbar{padding:12px 16px}
  .grid4,.grid3,.grid2{grid-template-columns:1fr}
  .card{padding:14px}
  .hide-xs{display:none}
  #nutrition-table{display:none}
  .nutri-cards-mobile{display:block !important}
  .stat-val{font-size:22px}
}

/* AI TRAINING GRID */
.grid7-training {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 10px;
  margin-top: 15px;
}

@media (max-width: 900px) {
  .grid7-training {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }
}

.training-card {
  background: var(--s2);
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  border-top: 3px solid var(--muted);
  transition: transform 0.2s;
}

.training-card:hover {
  transform: translateY(-2px);
}

.type-running { border-top-color: var(--primary-orange) !important; }
.type-fuerza { border-top-color: var(--lime) !important; }
.type-descanso { border-top-color: var(--muted) !important; }
.type-hibrido { border-top-color: var(--blue) !important; }

/* COACH CARDS */
.training-card.is-coach {
  border: 1.5px solid var(--blue);
  background: rgba(0, 150, 255, 0.05);
  box-shadow: 0 4px 15px rgba(0, 150, 255, 0.1);
}

.badge-coach {
  background: var(--blue);
  color: white;
  font-family: var(--font-tech);
  font-size: 8px;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 800;
}

.coach-instruction {
  margin-top: 10px;
  padding: 8px;
  background: rgba(0, 150, 255, 0.1);
  border-radius: 4px;
  border-left: 2px solid var(--blue);
  font-size: 11px;
  color: var(--text);
  font-family: var(--font-data);
}