@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@300;400;500;600;700;900&family=Barlow:wght@300;400;500&display=swap');

:root {
  --bg:#0d0d0d; --surface:#161616; --surface2:#1e1e1e; --border:#2a2a2a;
  --accent:#c8ff00; --accent2:#00e5ff; --tony:#ff6b35; --sonia:#ff3d8a;
  --text:#f0f0f0; --muted:#555; --done:#00ff88;
  --sat: env(safe-area-inset-top);
  --sab: env(safe-area-inset-bottom);
  --sal: env(safe-area-inset-left);
  --sar: env(safe-area-inset-right);
}
* { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
html { -webkit-text-size-adjust:100%; }
body {
  background:var(--bg); color:var(--text); font-family:'Barlow',sans-serif;
  font-size:34px; line-height:1.4;
  min-height:100vh;
  overflow-x:hidden;
}
.screen { display:none; min-height:100vh; flex-direction:column; }
.screen.active { display:flex; }

button, .day-card, .preset-btn, .w-btn, .fab-btn, .btn-done, .btn-session, .btn-download, .btn-save-cardio, .back-btn, .cp-user-btn, .home-user-chip {
  touch-action:manipulation;
  -webkit-user-select:none; user-select:none;
}
input, textarea, select { font-size:32px; }  /* evita el auto-zoom de iOS al enfocar */

/* LOGIN */
.login-wrap { display:flex; flex-direction:column; align-items:center; justify-content:center; padding:calc(96px + var(--sat)) 48px calc(96px + var(--sab)); min-height:100vh; min-height:100dvh; }
.login-logo { font-family:'Barlow Condensed',sans-serif; font-size:192px; font-weight:900; line-height:0.88; letter-spacing:-6px; text-transform:uppercase; text-align:center; margin-bottom:20px; }
.login-logo span { color:var(--accent); display:block; }
.login-sub { font-size:28px; color:var(--muted); letter-spacing:10px; text-transform:uppercase; margin-bottom:96px; }
.login-users { display:flex; gap:28px; margin-bottom:56px; }
.login-user-btn { font-family:'Barlow Condensed',sans-serif; font-size:36px; font-weight:700; letter-spacing:6px; text-transform:uppercase; padding:36px 56px; border-radius:20px; border:2px solid var(--border); background:var(--surface); color:var(--text); cursor:pointer; transition:all 0.15s; display:flex; flex-direction:column; align-items:center; gap:12px; min-width:240px; }
.login-user-btn:active { transform:scale(0.97); }
.login-user-btn .icono { font-size:60px; }
.login-user-btn.tony { border-color:var(--tony); color:var(--tony); }
.login-user-btn.sonia { border-color:var(--sonia); color:var(--sonia); }
.login-user-btn.tony:hover { background:rgba(255,107,53,0.08); }
.login-user-btn.sonia:hover { background:rgba(255,61,138,0.08); }
.login-pin-wrap { display:none; flex-direction:column; align-items:center; gap:36px; width:100%; max-width:640px; }
.login-pin-wrap.show { display:flex; }
.login-pin-label { font-family:'Barlow Condensed',sans-serif; font-size:26px; letter-spacing:6px; color:var(--muted); text-transform:uppercase; }
.login-pin-label strong { color:var(--text); }
.pin-dots { display:flex; gap:28px; }
.pin-dot { width:36px; height:36px; border-radius:50%; border:2px solid var(--border); background:transparent; transition:all 0.15s; }
.pin-dot.filled { background:var(--accent); border-color:var(--accent); }
.pin-pad { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; width:100%; max-width:560px; }
.pin-btn { font-family:'Barlow Condensed',sans-serif; font-size:52px; font-weight:700; padding:36px 0; border-radius:20px; border:1px solid var(--border); background:var(--surface); color:var(--text); cursor:pointer; transition:transform 0.1s, background 0.15s; }
.pin-btn:active { transform:scale(0.92); background:var(--surface2); }
.pin-btn.action { color:var(--muted); font-size:36px; letter-spacing:2px; }
.login-err { font-family:'Barlow Condensed',sans-serif; font-size:24px; letter-spacing:2px; color:#ff3b3b; text-transform:uppercase; min-height:36px; }
.login-back { font-family:'Barlow Condensed',sans-serif; font-size:22px; letter-spacing:6px; color:var(--muted); text-transform:uppercase; background:none; border:none; cursor:pointer; padding:16px; }

/* HOME */
.home-header { padding:calc(56px + var(--sat)) 36px 40px; border-bottom:1px solid var(--border); display:flex; align-items:flex-start; justify-content:space-between; gap:24px; }
.home-header h1 { font-family:'Barlow Condensed',sans-serif; font-size:96px; font-weight:900; line-height:0.88; letter-spacing:-2px; text-transform:uppercase; white-space:nowrap; }
.home-header h1 span { color:var(--accent); }
.home-header p { font-size:28px; color:var(--muted); letter-spacing:8px; text-transform:uppercase; margin-top:24px; }
.home-user-chip { display:flex; align-items:center; gap:12px; padding:20px 28px; border:1px solid var(--border); border-radius:100px; font-family:'Barlow Condensed',sans-serif; font-size:28px; font-weight:600; letter-spacing:2px; text-transform:uppercase; background:var(--surface); cursor:pointer; }
.home-user-chip .icono { font-size:32px; }
.days-grid { padding:40px; display:flex; flex-direction:column; gap:26px; }
.day-card { background:var(--surface); border:1px solid var(--border); border-radius:28px; padding:52px 48px; cursor:pointer; transition:all 0.2s; }
.day-card:active { transform:scale(0.98); }
.day-card:hover { border-color:var(--accent); }
.day-num { font-family:'Barlow Condensed',sans-serif; font-size:26px; font-weight:600; letter-spacing:8px; color:var(--muted); text-transform:uppercase; }
.day-name { font-family:'Barlow Condensed',sans-serif; font-size:68px; font-weight:700; text-transform:uppercase; line-height:1.02; margin-top:10px; }
.day-sub { font-size:32px; color:var(--muted); margin-top:12px; }
.day-arrow { font-size:56px; color:var(--muted); }
.day-progress { font-family:'Barlow Condensed',sans-serif; font-size:32px; font-weight:600; color:var(--done); letter-spacing:1px; margin-top:12px; }
.btn-download { display:flex; align-items:center; justify-content:center; gap:12px; font-family:'Barlow Condensed',sans-serif; font-size:30px; font-weight:700; letter-spacing:2px; text-transform:uppercase; padding:24px 28px; border-radius:16px; border:1px solid #333; background:transparent; color:#aaa; cursor:pointer; transition:all 0.2s; }
.btn-download:active { transform:scale(0.97); }

/* EXERCISE SCREEN */
.ex-header { padding:calc(32px + var(--sat)) 36px 32px; border-bottom:1px solid var(--border); display:flex; align-items:center; gap:28px; position:sticky; top:0; background:var(--bg); z-index:10; }
.back-btn { background:var(--surface); border:1px solid var(--border); color:var(--text); width:96px; height:96px; border-radius:20px; cursor:pointer; font-size:48px; display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.ex-header-info { flex:1; min-width:0; }
.ex-header-info h2 { font-family:'Barlow Condensed',sans-serif; font-size:60px; font-weight:700; text-transform:uppercase; letter-spacing:1px; line-height:1; }
.ex-header-info p { font-size:28px; color:var(--muted); letter-spacing:2px; text-transform:uppercase; margin-top:8px; font-weight:500; }
.day-counter { font-family:'Barlow Condensed',sans-serif; font-size:36px; font-weight:700; color:var(--done); letter-spacing:1px; white-space:nowrap; }

.exercises-list { padding:36px 28px; display:flex; flex-direction:column; gap:26px; padding-bottom:calc(260px + var(--sab)); }
.section-label { font-family:'Barlow Condensed',sans-serif; font-size:28px; letter-spacing:8px; color:#666; text-transform:uppercase; display:flex; align-items:center; gap:20px; margin-top:16px; font-weight:600; }
.section-label::after { content:''; flex:1; height:1px; background:#222; }

/* EXERCISE CARD */
.ex-card { background:var(--surface); border:1px solid var(--border); border-radius:20px; overflow:hidden; animation:slideUp 0.3s ease both; transition:border-color 0.3s, opacity 0.3s; }
.ex-card.basic { border-left:6px solid var(--accent); }
.ex-card.isolation { border-left:6px solid var(--accent2); }
.ex-card.core-ex { border-left:6px solid #9b59b6; }
.ex-card.is-done { border-color:var(--done) !important; border-left-color:var(--done) !important; opacity:0.75; }
.ex-card.is-done .ex-card-header { background:rgba(0,255,136,0.04); }

.ex-card-header { padding:40px 40px; display:flex; align-items:flex-start; gap:32px; cursor:pointer; }
.ex-icon { width:128px; height:128px; border-radius:28px; background:var(--surface2); display:flex; align-items:center; justify-content:center; font-size:64px; flex-shrink:0; position:relative; }
.done-tick { position:absolute; top:-14px; right:-14px; width:48px; height:48px; border-radius:50%; background:var(--done); color:#000; font-size:26px; font-weight:900; display:flex; align-items:center; justify-content:center; }
.ex-info { flex:1; min-width:0; }
.ex-name { font-family:'Barlow Condensed',sans-serif; font-size:48px; font-weight:600; text-transform:uppercase; letter-spacing:0.10px; line-height:1.1; }
.ex-meta { display:flex; gap:14px; margin-top:22px; flex-wrap:wrap; }
.tag { font-size:26px; letter-spacing:1px; text-transform:uppercase; padding:10px 20px; border-radius:12px; font-weight:600; }
.tag.series { background:rgba(200,255,0,0.12); color:var(--accent); }
.tag.reps { background:rgba(0,229,255,0.12); color:var(--accent2); }
.tag.rest-tag { background:rgba(255,255,255,0.06); color:#888; }
.tag.core-tag { background:rgba(200,255,0,0.08); color:#a8d600; }
.tag.done-tag { background:rgba(0,255,136,0.15); color:var(--done); }
.ex-expand { color:var(--muted); font-size:32px; margin-top:16px; flex-shrink:0; }
.ex-weights-preview { display:flex; gap:32px; margin-top:20px; }
.wp { font-family:'Barlow Condensed',sans-serif; font-size:38px; font-weight:700; }
.wp.t { color:var(--tony); }
.wp.s { color:var(--sonia); }

.ex-body { display:none; border-top:1px solid var(--border); }
.ex-card.expanded .ex-body { display:block; }

.technique-box { padding:28px 32px; background:var(--surface2); border-bottom:1px solid var(--border); }
.technique-box h4 { font-family:'Barlow Condensed',sans-serif; font-size:24px; letter-spacing:6px; color:var(--muted); text-transform:uppercase; margin-bottom:14px; font-weight:600; }
.technique-box p { font-size:30px; color:#b5b5b5; line-height:1.55; }

.muscle-row { padding:28px 32px; border-bottom:1px solid var(--border); display:flex; gap:28px; align-items:center; }
.muscle-svg-wrap { width:120px; height:156px; flex-shrink:0; }
.muscle-details h4 { font-family:'Barlow Condensed',sans-serif; font-size:24px; letter-spacing:6px; color:var(--muted); text-transform:uppercase; margin-bottom:12px; font-weight:600; }
.mp { font-size:28px; color:var(--accent); font-weight:600; }
.ms { font-size:26px; color:#888; margin-top:6px; }

.weight-block { padding:28px 32px; border-bottom:1px solid var(--border); }
.weight-block h4 { font-family:'Barlow Condensed',sans-serif; font-size:24px; letter-spacing:6px; color:var(--muted); text-transform:uppercase; margin-bottom:24px; font-weight:600; }
.weight-row { display:flex; align-items:center; gap:20px; margin-bottom:20px; }
.weight-row:last-child { margin-bottom:0; }
.wlabel { font-family:'Barlow Condensed',sans-serif; font-size:30px; font-weight:700; letter-spacing:1px; width:124px; flex-shrink:0; text-transform:uppercase; }
.wlabel.tony { color:var(--tony); }
.wlabel.sonia { color:var(--sonia); }
.wvalue-wrap { flex:1; background:var(--bg); border:1px solid var(--border); border-radius:16px; padding:20px 28px; display:flex; align-items:center; justify-content:space-between; min-height:100px; }
.wvalue-wrap.tony-b { border-color:rgba(255,107,53,0.3); }
.wvalue-wrap.sonia-b { border-color:rgba(255,61,138,0.3); }
.wval { font-family:'Barlow Condensed',sans-serif; font-size:clamp(60px, 8vw, 76px); font-weight:700; }
.wval.tony { color:var(--tony); }
.wval.sonia { color:var(--sonia); }
.wunit { font-size:28px; color:var(--muted); font-weight:600; }
.wcontrols { display:flex; gap:12px; }
.w-btn { width:104px; height:104px; border-radius:16px; border:1px solid var(--border); background:var(--surface2); color:var(--text); font-size:52px; cursor:pointer; display:flex; align-items:center; justify-content:center; font-family:'Barlow Condensed',sans-serif; font-weight:700; transition:all 0.12s; }
.w-btn:active { transform:scale(0.88); }
.w-btn.tp { background:rgba(255,107,53,0.12); border-color:var(--tony); color:var(--tony); }
.w-btn.sp { background:rgba(255,61,138,0.12); border-color:var(--sonia); color:var(--sonia); }

.comment-box { padding:28px 32px; border-bottom:1px solid var(--border); }
.comment-box h4 { font-family:'Barlow Condensed',sans-serif; font-size:24px; letter-spacing:6px; color:var(--muted); text-transform:uppercase; margin-bottom:18px; font-weight:600; }
.comment-input { width:100%; background:var(--bg); border:1px solid var(--border); border-radius:16px; padding:24px 28px; color:var(--text); font-family:'Barlow',sans-serif; font-size:32px; resize:none; outline:none; min-height:128px; line-height:1.4; }
.comment-input:focus { border-color:#555; }
.comment-input::placeholder { color:var(--muted); }

.rest-presets { padding:28px 32px; border-bottom:1px solid var(--border); display:flex; gap:12px; flex-wrap:wrap; align-items:center; }
.preset-lbl { font-family:'Barlow Condensed',sans-serif; font-size:24px; letter-spacing:6px; color:var(--muted); text-transform:uppercase; font-weight:600; width:100%; margin-bottom:2px; }
.preset-btn { font-family:'Barlow Condensed',sans-serif; font-size:30px; font-weight:600; letter-spacing:1px; padding:16px 28px; border-radius:12px; border:1px solid var(--border); background:transparent; color:#999; cursor:pointer; transition:all 0.15s; min-height:76px; }
.preset-btn.active { border-color:var(--accent); color:var(--accent); background:rgba(200,255,0,0.08); }
.preset-btn:active { transform:scale(0.93); }

.done-row { padding:32px 32px; display:flex; gap:16px; align-items:center; }
.btn-done { flex:1; font-family:'Barlow Condensed',sans-serif; font-size:36px; font-weight:700; letter-spacing:6px; text-transform:uppercase; padding:32px; border-radius:18px; border:2px solid var(--border); background:transparent; color:var(--muted); cursor:pointer; transition:all 0.2s; display:flex; align-items:center; justify-content:center; gap:16px; }
.btn-done:active { transform:scale(0.97); }
.btn-done.confirmed { border-color:var(--done); background:rgba(0,255,136,0.1); color:var(--done); }
.btn-done.confirmed:active { background:rgba(0,255,136,0.05); }

.rest-fab { position:fixed; bottom:calc(40px + var(--sab)); left:50%; transform:translateX(-50%); z-index:100; display:none; align-items:center; gap:24px; background:#111; border:1px solid var(--border); border-radius:120px; padding:24px 44px; box-shadow:0 12px 56px rgba(0,0,0,0.7); min-width:480px; justify-content:center; }
.rest-fab.running { border-color:var(--accent); }
.rest-fab.done { border-color:var(--done); }
.fab-lbl { font-family:'Barlow Condensed',sans-serif; font-size:24px; font-weight:600; letter-spacing:6px; color:var(--muted); text-transform:uppercase; }
.fab-time { font-family:'Barlow Condensed',sans-serif; font-size:76px; font-weight:700; letter-spacing:-1px; min-width:136px; text-align:center; color:var(--text); }
.fab-time.running { color:var(--accent); }
.fab-time.done-t { color:var(--done); }
.fab-ctrls { display:flex; gap:12px; }
.fab-btn { width:88px; height:88px; border-radius:50%; border:none; cursor:pointer; font-size:36px; display:flex; align-items:center; justify-content:center; transition:transform 0.12s; }
.fab-btn:active { transform:scale(0.88); }
.fab-play { background:var(--accent); color:#000; }
.fab-reset { background:var(--surface2); color:var(--muted); }
.rest-bar { position:fixed; bottom:calc(172px + var(--sab)); left:0; right:0; height:6px; background:var(--border); z-index:99; display:none; }
.rest-bar-fill { height:100%; background:var(--accent); transition:width 0.9s linear; width:0; }

.session-bar { display:flex; align-items:center; justify-content:space-between; padding:24px 32px; background:var(--surface2); border-bottom:1px solid var(--border); gap:16px; flex-wrap:wrap; }
.session-time { font-family:'Barlow Condensed',sans-serif; font-size:56px; font-weight:700; letter-spacing:2px; color:var(--accent); line-height:1; }
.session-time.idle { color:var(--muted); }
.session-label { font-family:'Barlow Condensed',sans-serif; font-size:24px; font-weight:600; letter-spacing:6px; color:var(--muted); text-transform:uppercase; margin-bottom:2px; }
.btn-session { font-family:'Barlow Condensed',sans-serif; font-size:30px; font-weight:700; letter-spacing:6px; text-transform:uppercase; padding:22px 36px; border-radius:16px; border:none; cursor:pointer; transition:all 0.2s; min-height:88px; }
.btn-session.start { background:var(--accent); color:#000; }
.btn-session.stop { background:rgba(255,59,59,0.15); color:#ff3b3b; border:1px solid #ff3b3b; }

.strength-banner { display:none; margin:32px 28px 0; background:rgba(0,255,136,0.08); border:1px solid rgba(0,255,136,0.3); border-radius:20px; padding:32px 36px; }
.strength-banner h3 { font-family:'Barlow Condensed',sans-serif; font-size:28px; font-weight:700; letter-spacing:6px; color:var(--done); text-transform:uppercase; margin-bottom:12px; }
.strength-banner .big-time { font-family:'Barlow Condensed',sans-serif; font-size:96px; font-weight:700; color:var(--done); letter-spacing:2px; line-height:1; }
.strength-banner p { font-size:28px; color:#999; margin-top:12px; }

.cardio-block { display:none; margin:28px 28px 0; background:var(--surface); border:1px solid var(--border); border-radius:24px; overflow:hidden; }
.cardio-block h3 { font-family:'Barlow Condensed',sans-serif; font-size:28px; font-weight:700; letter-spacing:6px; color:var(--accent2); text-transform:uppercase; padding:28px 32px; border-bottom:1px solid var(--border); }
.cardio-fields { padding:28px 32px; display:flex; flex-direction:column; gap:20px; }
.cardio-row { display:flex; gap:20px; align-items:center; }
.cardio-lbl { font-family:'Barlow Condensed',sans-serif; font-size:26px; font-weight:600; letter-spacing:2px; color:var(--muted); text-transform:uppercase; width:144px; flex-shrink:0; }
.cardio-input { flex:1; background:var(--bg); border:1px solid var(--border); border-radius:16px; padding:24px 28px; color:var(--text); font-family:'Barlow',sans-serif; font-size:32px; outline:none; min-height:92px; }
.cardio-input:focus { border-color:var(--accent2); }
.cardio-input::placeholder { color:var(--muted); }
.btn-save-cardio { width:100%; font-family:'Barlow Condensed',sans-serif; font-size:32px; font-weight:700; letter-spacing:6px; text-transform:uppercase; padding:28px; border-radius:18px; border:2px solid var(--accent2); background:rgba(0,229,255,0.1); color:var(--accent2); cursor:pointer; margin-top:12px; transition:all 0.2s; min-height:100px; }
.btn-save-cardio:active { transform:scale(0.97); }
.cardio-saved { padding:24px 32px 32px; font-size:28px; color:#aaa; display:none; line-height:1.5; }
.cardio-saved strong { color:var(--accent2); }

.cp-user-btn { font-family:'Barlow Condensed',sans-serif; font-size:28px; font-weight:700; letter-spacing:1px; padding:20px 32px; border-radius:12px; border:1px solid var(--border); background:transparent; color:var(--muted); cursor:pointer; min-height:84px; }
.cp-user-btn.active.both  { border-color:var(--accent); background:rgba(200,255,0,0.1);  color:var(--accent); }
.cp-user-btn.active.tony  { border-color:var(--tony);   background:rgba(255,107,53,0.1); color:var(--tony); }
.cp-user-btn.active.sonia { border-color:var(--sonia);  background:rgba(255,61,138,0.1); color:var(--sonia); }

.toast { position:fixed; bottom:calc(220px + var(--sab)); left:50%; transform:translateX(-50%); padding:28px 44px; background:#222; border:1px solid var(--border); border-radius:16px; font-family:'Barlow Condensed',sans-serif; font-size:30px; font-weight:600; letter-spacing:2px; text-transform:uppercase; color:var(--text); z-index:200; opacity:0; transition:opacity 0.2s; pointer-events:none; }
.toast.show { opacity:1; }
.toast.err  { border-color:#ff3b3b; color:#ff3b3b; }
.toast.ok   { border-color:var(--done); color:var(--done); }

@keyframes slideUp { from{opacity:0;transform:translateY(32px)}to{opacity:1;transform:translateY(0)} }
@keyframes popIn { 0%{transform:scale(0.8)}60%{transform:scale(1.1)}100%{transform:scale(1)} }
.pop { animation:popIn 0.3s ease; }