:root{
  --bg:#000000;
  --card:#1a1015;
  --purple:#b913a8;
  --orange:#ff6300;
  --accent:#ff6300;
  --go:#ff6300;
  --rest:#b913a8;
  --text:#f5f0f3;
  --muted:#a08a9a;
  --danger:#ef4444;
  --flag-red:#cc0001;
  --flag-blue:#010066;
  --flag-yellow:#ffcc00;
  --brand-gradient:linear-gradient(100deg,var(--purple),var(--orange));
  --border:#33202c;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Rubik',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  min-height:100vh;
  padding:20px;
  padding-bottom:90px;
}
h1{font-size:1.6rem;margin:.2em 0;}
h2{font-family:'Anton',sans-serif;font-weight:400;letter-spacing:.03em;font-size:1.4rem;text-transform:uppercase;}
h3{font-size:1.05rem;color:var(--muted);margin-top:24px;}
.sub{color:var(--muted);font-size:.92rem;margin-top:-4px;}
.footnote,.install-hint{color:var(--muted);font-size:.82rem;margin-top:28px;line-height:1.4;}
.hidden{display:none !important;}

.view{max-width:480px;margin:0 auto;}

.big-btn{
  display:block;width:100%;
  background:var(--card);
  color:var(--text);
  border:1px solid var(--border);
  border-radius:14px;
  padding:18px;
  font-size:1.1rem;
  font-weight:600;
  margin:14px 0;
  text-align:left;
  cursor:pointer;
}
.big-btn span{display:block;font-weight:400;font-size:.82rem;color:var(--muted);margin-top:4px;}
.big-btn.go{
  background:var(--go);
  color:#170800;
  text-align:center;
  font-size:1.3rem;
  font-weight:800;
}
.big-btn.smart{
  background:var(--brand-gradient);
  color:#170318;
  border:none;
}
.big-btn.smart span{color:rgba(23,3,24,.75);}

.back-btn{
  background:none;
  border:none;
  color:var(--accent);
  font-size:1rem;
  padding:8px 0;
  margin-bottom:6px;
  cursor:pointer;
}

.secondary-btn{
  background:transparent;
  border:1px dashed #475569;
  color:var(--text);
  border-radius:10px;
  padding:10px;
  width:100%;
  margin:8px 0;
  cursor:pointer;
}

hr{border:none;border-top:1px solid var(--border);margin:20px 0;}

label{
  display:block;
  font-size:.85rem;
  color:var(--muted);
  margin:10px 0 4px;
}
input[type=number],input[type=text],input[type=email],textarea,select{
  width:100%;
  background:var(--card);
  border:1px solid var(--border);
  color:var(--text);
  border-radius:8px;
  padding:10px;
  font-size:1rem;
}
textarea{min-height:56px;resize:vertical;}
select{appearance:none;-webkit-appearance:none;}
input[type=range]{width:100%;accent-color:var(--orange);margin-top:8px;}
.rpe-val{text-align:center;font-family:'Anton',sans-serif;font-size:1.8rem;color:var(--orange);margin:2px 0 14px;}

.toggle-row{display:flex;align-items:center;gap:8px;margin-top:16px;color:var(--muted);font-size:.85rem;}
.toggle-btn{
  background:var(--card);border:1px solid var(--border);color:var(--muted);
  border-radius:8px;padding:6px 14px;cursor:pointer;
}
.toggle-btn.active{background:var(--accent);color:#170800;border-color:var(--accent);font-weight:600;}

.cp-row{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:12px;
  padding:12px;
  margin:10px 0;
  position:relative;
}
.cp-row .cp-remove{
  position:absolute;top:8px;right:10px;
  background:none;border:none;color:var(--danger);font-size:1.2rem;cursor:pointer;
}
.cp-row-fields{display:flex;gap:8px;}
.cp-row-fields > div{flex:1;}

.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0;}
.stat{background:var(--card);border-radius:12px;padding:16px;text-align:center;}
.stat-val{font-size:1.6rem;font-weight:700;}
.stat-lbl{font-size:.75rem;color:var(--muted);margin-top:2px;}

.needed-pace{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:12px;text-align:center;margin:14px 0;
}
.needed-pace-lbl{font-size:.7rem;letter-spacing:.06em;color:var(--muted);}
.needed-pace-val{font-family:'Anton',sans-serif;font-size:1.7rem;color:var(--orange);margin-top:2px;}

.next-cp{
  background:var(--brand-gradient);
  border-radius:16px;
  padding:20px;
  text-align:center;
  margin:14px 0;
}
.next-cp-lbl{font-size:.75rem;letter-spacing:.08em;color:rgba(255,255,255,.85);}
.next-cp-name{font-size:1.5rem;font-weight:700;margin:4px 0;color:#fff;font-family:'Anton',sans-serif;text-transform:uppercase;}
.next-cp-dist{color:rgba(255,255,255,.9);font-size:1rem;}

.cp-item{
  display:flex;justify-content:space-between;align-items:center;
  background:var(--card);border-radius:10px;padding:12px;margin:8px 0;
  border-left:4px solid #475569;
}
.cp-item.done{border-left-color:var(--go);opacity:.6;}
.cp-item .cp-item-name{font-weight:600;}
.cp-item .cp-item-tip{font-size:.8rem;color:var(--muted);margin-top:2px;max-width:280px;}
.cp-item .cp-item-dist{font-size:.85rem;color:var(--muted);white-space:nowrap;margin-left:10px;}

.phase-box{
  border-radius:20px;
  padding:40px 20px;
  text-align:center;
  margin:20px 0;
  background:var(--card);
  transition:background .3s;
}
.phase-box.work{background:linear-gradient(135deg,#ff6300,#c94900);}
.phase-box.rest{background:linear-gradient(135deg,#b913a8,#7a0e70);}
.phase-name{font-family:'Anton',sans-serif;font-size:1.4rem;letter-spacing:.05em;text-transform:uppercase;}
.phase-timer{font-size:3.2rem;font-weight:800;margin:10px 0;}
.phase-rep{color:#e2e8f0;font-size:.95rem;}

.banner{
  position:fixed;top:0;left:0;right:0;
  background:var(--brand-gradient);
  color:#fff;
  padding:16px;
  z-index:999;
  box-shadow:0 4px 12px rgba(0,0,0,.5);
}
.banner-title{font-family:'Anton',sans-serif;font-weight:400;text-transform:uppercase;letter-spacing:.03em;font-size:1.1rem;}
.banner-text{font-size:.92rem;margin-top:4px;}
.banner-close{
  margin-top:10px;background:rgba(0,0,0,.55);color:#fff;border:none;
  border-radius:8px;padding:8px 14px;cursor:pointer;
}

/* ---------- brand header / home ---------- */
.brand-header{text-align:center;margin-bottom:20px;}
.brand-logo-img{width:100%;max-width:320px;height:auto;display:block;margin:0 auto;}

.guide-box{
  background:var(--card);
  border:1px solid var(--border);
  border-left:4px solid var(--orange);
  border-radius:12px;
  padding:14px 16px;
  margin:18px 0;
}
.guide-box h3{margin-top:0;color:var(--text);font-family:'Anton',sans-serif;font-weight:400;letter-spacing:.03em;font-size:.95rem;text-transform:uppercase;}
.guide-list{margin:8px 0 0;padding-left:20px;color:var(--muted);font-size:.88rem;line-height:1.6;}
.guide-list li{margin-bottom:6px;}
.guide-list b{color:var(--text);}

.feature-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0;
}
.feature-item{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:12px;display:flex;gap:8px;align-items:flex-start;font-size:.76rem;color:var(--muted);line-height:1.4;
}
.feature-item b{display:block;color:var(--text);font-size:.85rem;margin-bottom:2px;}
.feature-icon{font-size:1.3rem;flex-shrink:0;}

.gpx-summary{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:10px;
  padding:10px 12px;
  font-size:.85rem;
  color:var(--text);
  margin:8px 0 4px;
}

.google-btn-wrap{display:flex;justify-content:center;margin:26px 0 12px;min-height:44px;}

.user-badge{text-align:center;font-size:.8rem;color:var(--muted);margin:-6px 0 16px;}
.user-badge b{color:var(--text);}
.user-badge a{color:var(--orange);text-decoration:none;font-weight:600;}
.voice-preview-btn{margin-top:8px;}
.voice-hint{margin:7px 0 0;color:var(--muted);font-size:.78rem;line-height:1.35;}

/* ---------- bottom nav ---------- */
.bottom-nav{
  position:fixed;left:0;right:0;bottom:0;
  display:flex;justify-content:space-around;
  background:#0a0608;border-top:1px solid var(--border);
  padding:8px 4px calc(8px + env(safe-area-inset-bottom));
  z-index:500;
}
.nav-item{
  background:none;border:none;color:var(--muted);
  font-size:.68rem;display:flex;flex-direction:column;align-items:center;gap:2px;
  padding:4px 8px;cursor:pointer;flex:1;
}
.nav-item .nav-icon{font-size:1.25rem;}
.nav-item.active{color:var(--orange);}

/* ---------- designed home ---------- */
.home-view{
  width:calc(100% + 40px);
  max-width:496px;
  margin:-20px auto 0;
}
.home-layout{overflow:hidden;background:#000;}
.home-hero{position:relative;}
.home-hero>img,.home-features>img,.home-mode-card>img{display:block;width:100%;height:auto;}
.home-user-badge{
  position:absolute;
  top:14px;
  right:14px;
  z-index:1;
  width:auto;
  max-width:48%;
  margin:0;
  padding:5px 8px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;
  background:rgba(0,0,0,.58);
  backdrop-filter:blur(6px);
  font-size:.62rem;
  line-height:1.2;
  text-align:right;
}
.home-user-badge:empty{display:none;}
.home-mode-stack{display:grid;gap:6px;padding:0 6px 8px;}
.home-mode-card{
  display:block;
  width:100%;
  margin:0;
  padding:0;
  overflow:hidden;
  border:0;
  border-radius:12px;
  background:#000;
  cursor:pointer;
  -webkit-tap-highlight-color:transparent;
  transition:filter .18s ease,transform .18s ease;
}
.home-mode-card:focus-visible{outline:3px solid var(--orange);outline-offset:3px;}
.home-mode-card:active{filter:brightness(1.12);transform:scale(.99);}
.home-features{padding-bottom:8px;}

/* ---------- countdown overlay ---------- */
.countdown-overlay{
  position:fixed;inset:0;z-index:1000;
  background:var(--brand-gradient);
  display:flex;align-items:center;justify-content:center;
}
.countdown-num{
  font-family:'Anton',sans-serif;font-size:8rem;color:#fff;
  text-shadow:0 4px 20px rgba(0,0,0,.4);
}

/* ---------- route visuals ---------- */
.route-visuals{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:12px;margin:14px 0;
}
.route-visuals-name{font-size:.85rem;color:var(--muted);margin-bottom:6px;}
.elevation-chart{width:100%;height:60px;display:block;}
.route-shape-chart{width:100%;height:130px;display:block;margin-top:8px;}

/* ---------- routes list ---------- */
.route-item{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:14px;margin:10px 0;
}
.route-item-name{font-weight:700;font-size:1.02rem;}
.route-item-meta{font-size:.8rem;color:var(--muted);margin-top:2px;}
.route-item-actions{display:flex;gap:8px;margin-top:10px;}
.route-item-actions button{
  flex:1;background:transparent;border:1px solid var(--border);color:var(--text);
  border-radius:8px;padding:8px;font-size:.85rem;cursor:pointer;
}
.route-item-actions button.danger{color:var(--danger);border-color:var(--danger);}

/* ---------- history list ---------- */
.history-item{
  background:var(--card);border-radius:10px;border-left:4px solid var(--purple);
  padding:12px;margin:8px 0;
}
.history-item-top{display:flex;justify-content:space-between;font-size:.9rem;font-weight:600;}
.history-item-meta{font-size:.78rem;color:var(--muted);margin-top:4px;}
.history-item-comments{font-size:.82rem;color:var(--text);margin-top:6px;font-style:italic;}

/* ---------- printable strategy card ---------- */
#printSheet{display:none;}

@media print{
  body > *:not(#printSheet){display:none !important;}
  body{background:#fff;color:#111;padding:0;}
  #printSheet{display:block;font-family:Arial,Helvetica,sans-serif;color:#111;}
  #printSheet .ps-brand{
    font-family:'Anton',Arial,sans-serif;font-size:26px;letter-spacing:.02em;
    color:#b913a8;margin:0 0 2px;
  }
  #printSheet .ps-tagline{font-size:9px;letter-spacing:.28em;color:#666;margin:0 0 14px;}
  #printSheet .ps-title{font-size:16px;font-weight:bold;margin:0 0 4px;}
  #printSheet .ps-meta{font-size:11px;color:#444;margin:0 0 14px;}
  #printSheet table{width:100%;border-collapse:collapse;font-size:11px;}
  #printSheet th{
    text-align:left;background:#f2e6f0;color:#111;
    padding:6px 8px;border-bottom:2px solid #b913a8;
  }
  #printSheet td{padding:6px 8px;border-bottom:1px solid #ddd;vertical-align:top;}
  #printSheet tr{page-break-inside:avoid;}
  #printSheet .ps-cp{font-weight:bold;white-space:nowrap;}
  #printSheet .ps-num{white-space:nowrap;}
  #printSheet .ps-nutrition{color:#c2410c;font-weight:600;}
  #printSheet .ps-notes{color:#555;font-style:italic;}
  #printSheet .ps-footer{margin-top:14px;font-size:9px;color:#777;}
}

@media print{
  #printSheet .ps-viz-label{font-size:9px;color:#666;margin:10px 0 2px;}
  #printSheet .ps-elev{width:100%;height:70px;display:block;}
  #printSheet .ps-shape{width:55%;max-height:190px;display:block;margin:0 auto 6px;}
}

/* ---------- Google sign-in button (Firebase popup flow) ---------- */
.gsi-btn{
  display:flex;align-items:center;justify-content:center;gap:12px;
  background:#ffffff;color:#1f1f1f;
  border:none;border-radius:999px;
  padding:17px 36px;font-size:1.05rem;font-weight:600;
  font-family:'Rubik',Roboto,Arial,sans-serif;
  cursor:pointer;min-width:264px;
  box-shadow:0 10px 34px rgba(255,99,0,.18), 0 3px 12px rgba(0,0,0,.5);
  transition:transform .25s ease, box-shadow .25s ease;
}
.gsi-btn:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 44px rgba(255,99,0,.30), 0 4px 14px rgba(0,0,0,.5);
}
.gsi-btn:active{transform:translateY(0) scale(.98);}
.gsi-btn svg{flex-shrink:0;}

/* ---------- premium login screen ---------- */
.login-view{
  min-height:calc(100vh - 40px);
  display:flex;flex-direction:column;
}
.login-inner{
  flex:1;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  text-align:center;
  padding:48px 14px 24px;
}
.login-view .brand-header{margin-bottom:64px;}
.login-headline{
  font-family:'Anton',sans-serif;
  font-weight:400;
  font-size:2.15rem;
  line-height:1.18;
  letter-spacing:.02em;
  text-transform:uppercase;
  color:var(--text);
  margin:0 0 20px;
  max-width:340px;
}
.login-copy{
  font-size:.95rem;
  line-height:1.7;
  color:var(--muted);
  max-width:320px;
  margin:0;
}
.login-cta{margin-top:72px;}

/* staggered entrance, ~650ms total */
@keyframes loginFadeIn{ from{opacity:0;} to{opacity:1;} }
@keyframes loginFadeUp{ from{opacity:0;transform:translateY(18px);} to{opacity:1;transform:none;} }
.login-anim{opacity:0;animation:loginFadeUp .55s cubic-bezier(.22,.61,.36,1) forwards;}
.login-anim-logo{animation-name:loginFadeIn;animation-duration:.65s;animation-delay:.05s;}
.login-anim-headline{animation-delay:.18s;}
.login-anim-copy{animation-delay:.32s;}
.login-anim-cta{animation-delay:.46s;}
@media (prefers-reduced-motion: reduce){
  .login-anim{animation:none;opacity:1;}
}

/* ---------- developer credit footer (every screen) ---------- */
.dev-footer{
  text-align:center;
  font-size:.66rem;
  color:var(--muted);
  opacity:.6;
  margin:26px 0 6px;
  letter-spacing:.06em;
  line-height:1.7;
}
.dev-footer .dev-footer-name{color:var(--text);opacity:.85;}
.dev-footer b{color:var(--text);font-weight:600;}