/* ── FASTA — styles.css ── */

/* Reset & base */
*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'Outfit',system-ui,sans-serif;background:#0a0a0a;color:#f5f5f0;min-height:100vh;display:flex;justify-content:center;}
button{cursor:pointer;border:none;background:none;font-family:inherit;}
input,select{font-family:inherit;}

/* Scrollbar */
::-webkit-scrollbar{width:3px;}
::-webkit-scrollbar-thumb{background:#2a2a2a;border-radius:3px;}

/* Animations */
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes popUp{from{opacity:0;transform:scale(.93)}to{opacity:1;transform:scale(1)}}
.fade{animation:fadeIn .25s ease forwards;}

/* Layout */
#app{display:flex;width:100%;max-width:1100px;min-height:100vh;}
#main{flex:1;overflow-y:auto;display:flex;justify-content:flex-start;padding:0 80px;}
#content{width:100%;max-width:620px;padding:32px 0 60px;}

/* Sidebar */
#sidebar{width:220px;background:#0e0e0e;border-right:1px solid #2a2a2a;display:flex;flex-direction:column;padding:24px 14px;position:sticky;top:0;height:100vh;flex-shrink:0;gap:4px;}
.sidebar-logo{display:flex;align-items:center;gap:8px;margin-bottom:16px;padding-left:4px;}
.sidebar-logo-text{font-size:18px;font-weight:700;color:#c8a84e;letter-spacing:-.3px;}
.sidebar-divider{height:1px;background:#2a2a2a;margin:8px 0;}

/* Navigation */
.nav-btn{width:100%;padding:13px 14px;border-radius:10px;display:flex;align-items:center;gap:11px;transition:all .15s;text-align:left;margin-bottom:2px;}
.nav-btn.active{background:rgba(200,168,78,0.12);color:#c8a84e;border:1px solid rgba(200,168,78,0.22);}
.nav-btn.inactive{color:#e8e4dc;border:1px solid #2a2a2a;background:#141414;}
.nav-btn .n-icon{font-size:18px;}
.nav-btn .n-label{font-size:14px;font-weight:600;}

/* Mobile topbar */
#mobile-topbar{display:none;position:fixed;top:0;left:0;right:0;z-index:90;background:#0e0e0e;border-bottom:1px solid #2a2a2a;height:52px;align-items:center;padding:0 16px;gap:12px;}
.topbar-title{font-size:15px;font-weight:700;color:#c8a84e;flex:1;}
#mobile-status-pill{background:#141414;border:1px solid #2a2a2a;border-radius:20px;padding:4px 10px;font-size:11px;color:#8a8a80;}
#mobile-status-pill.active-pill{border-color:rgba(200,168,78,0.3);color:#c8a84e;}

/* Cards */
.card{background:#1a1a1a;border:1px solid #2a2a2a;border-radius:12px;padding:16px;margin-bottom:14px;}
.variant-card{background:#141414;border:1px solid #2a2a2a;border-radius:10px;padding:12px;cursor:pointer;transition:all .15s;}
.variant-card:hover{border-color:rgba(200,168,78,0.3);}
.variant-card.selected{background:rgba(200,168,78,0.08);border-color:rgba(200,168,78,0.4);}

/* Eyebrow label */
.eyebrow{font-size:10px;color:#8a8a80;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:10px;}

/* Dual time boxes */
.dual-time{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%;margin-bottom:14px;}
.time-box{border-radius:10px;padding:14px;text-align:center;}
.time-box.actual{background:#141414;border:1px solid #2a2a2a;}
.time-box.metabolic{background:rgba(200,168,78,0.1);border:1px solid rgba(200,168,78,0.35);}
.time-box-label{font-size:10px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:6px;}
.time-box-value{font-size:22px;font-weight:800;font-family:monospace;letter-spacing:1px;}
.time-box-phase{font-size:11px;font-weight:600;margin-top:4px;}

/* Ring */
.ring-wrap{position:relative;width:200px;height:200px;margin-bottom:14px;}
.ring-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;}

/* Buttons */
.btn-gold{padding:15px;border-radius:10px;font-size:15px;font-weight:700;background:#c8a84e;color:#0a0a0a;border:none;box-shadow:0 4px 18px rgba(200,168,78,0.25);letter-spacing:.3px;}
.btn-end{padding:15px;border-radius:10px;font-size:15px;font-weight:700;background:#1a1a1a;color:#8a8a80;border:1px solid #2a2a2a;}
.btn-icon{padding:15px;border-radius:10px;font-size:15px;background:#1a1a1a;color:#8a8a80;border:1px solid #2a2a2a;}

/* Phase timeline */
.phase-row:hover{background:rgba(200,168,78,0.04)!important;}
.phase-dot{position:absolute;left:2px;width:10px;height:10px;border-radius:50%;z-index:1;transition:all .6s;}
.phase-bar{height:2px;border-radius:2px;background:#2a2a2a;overflow:hidden;}
.phase-bar-fill{height:100%;border-radius:2px;transition:width .9s ease;}
.phase-detail{padding:9px 10px 10px 32px;margin-bottom:3px;background:#0a0a0a;border-radius:7px;}

/* Pause banner */
.pause-banner{width:100%;background:rgba(200,168,78,0.08);border:1px solid rgba(200,168,78,0.22);border-radius:8px;padding:9px 12px;margin-bottom:14px;display:flex;justify-content:space-between;align-items:center;}

/* Learn cards */
.learn-card{background:#1a1a1a;border-radius:10px;padding:12px;cursor:pointer;display:flex;flex-direction:column;gap:7px;min-height:120px;transition:transform .15s,border-color .15s;}
.learn-card:hover{transform:translateY(-2px);}
.learn-icon-box{width:30px;height:30px;border-radius:7px;background:rgba(200,168,78,0.12);border:1px solid rgba(200,168,78,0.22);display:flex;align-items:center;justify-content:center;font-size:14px;}
.warn-banner{background:rgba(127,29,29,0.25);border:1px solid rgba(239,68,68,0.2);border-radius:7px;padding:9px 12px;margin-bottom:10px;font-size:11px;color:#fca5a5;line-height:1.6;}

/* History */
.hist-card{background:#1a1a1a;border:1px solid #2a2a2a;border-radius:12px;padding:14px;margin-bottom:10px;transition:border-color .15s;}
.hist-card:hover{border-color:rgba(200,168,78,0.22);}
.stat-card{background:#1a1a1a;border:1px solid #2a2a2a;border-radius:10px;padding:12px 10px;text-align:center;}
.stat-val{font-size:20px;font-weight:800;color:#c8a84e;}
.stat-label{font-size:10px;color:#8a8a80;margin-top:2px;}

/* History modal */
.benefit-box{border-radius:10px;padding:10px 12px;margin-bottom:8px;}
.not-reached{display:flex;gap:8px;align-items:center;padding:7px 10px;background:#0a0a0a;border-radius:8px;margin-bottom:5px;border:1px solid #2a2a2a;opacity:.45;}
.log-item{display:flex;gap:8px;padding:7px 10px;background:#0a0a0a;border-radius:8px;margin-bottom:4px;border:1px solid #2a2a2a;}

/* Profile */
.profile-field{margin-bottom:16px;}
.profile-label{font-size:12px;color:#8a8a80;font-weight:600;margin-bottom:6px;display:block;}
.profile-input{width:100%;padding:11px 14px;border-radius:10px;border:1px solid #2a2a2a;background:#0a0a0a;color:#f5f5f0;font-size:14px;outline:none;transition:border-color .15s;}
.profile-input:focus{border-color:rgba(200,168,78,0.4);}
.profile-radio-group{display:flex;gap:8px;flex-wrap:wrap;}
.profile-radio{padding:9px 16px;border-radius:20px;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s;border:1px solid #2a2a2a;background:#0a0a0a;color:#8a8a80;}
.profile-radio.selected{background:rgba(200,168,78,0.12);color:#c8a84e;border-color:rgba(200,168,78,0.4);}

/* Modals */
.modal-backdrop{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,0.8);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:20px;overflow-y:auto;}
.modal-box{background:#1a1a1a;border-radius:16px;max-width:400px;width:100%;box-shadow:0 24px 60px rgba(0,0,0,0.7);border:1px solid rgba(200,168,78,0.22);animation:popUp .2s ease;}
.modal-header{padding:18px 18px 14px;border-bottom:1px solid #2a2a2a;}
.modal-body{padding:14px 18px;max-height:60vh;overflow-y:auto;}
.modal-close{color:#8a8a80;font-size:20px;cursor:pointer;line-height:1;}
.minput{width:100%;padding:9px 12px;border-radius:8px;border:1px solid #2a2a2a;background:#0a0a0a;color:#f5f5f0;font-size:13px;outline:none;font-family:inherit;margin-bottom:8px;}

/* Mobile bottom tab bar */
#mobile-tabs{display:none;position:fixed;bottom:0;left:0;right:0;z-index:90;background:#0e0e0e;border-top:1px solid #2a2a2a;height:60px;justify-content:space-around;align-items:center;padding:0 8px;}
.tab-btn{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 12px;border-radius:8px;transition:all .15s;color:#8a8a80;min-width:60px;}
.tab-btn.active{color:#c8a84e;}
.tab-icon{font-size:20px;line-height:1;}
.tab-label{font-size:10px;font-weight:600;letter-spacing:.3px;}

/* Touch optimizations */
button, .variant-card, .learn-card, .hist-card, .phase-row{
  -webkit-tap-highlight-color:transparent;
  touch-action:manipulation;
}

/* Responsive — tablet */
@media(max-width:900px){
  #main{padding:0 40px;}
  #content{max-width:560px;}
}

/* Responsive — mobile */
@media(max-width:700px){
  #sidebar{display:none;}
  #mobile-topbar{display:flex;}
  #mobile-tabs{display:flex;}
  #main{padding:52px 0 0;justify-content:center;}
  #content{padding:16px 16px 140px;max-width:100%;}

  /* Prevent iOS zoom on focus */
  .profile-input, .minput, input[type="number"], input[type="datetime-local"]{
    font-size:16px;
  }

  /* Dual time boxes — stack on very small */
  .dual-time{gap:8px;}
  .time-box{padding:10px 8px;}
  .time-box-value{font-size:18px;}
  .time-box-label{font-size:9px;letter-spacing:1px;}

  /* Bigger touch targets */
  .btn-end, .btn-icon, .btn-gold{padding:16px;min-height:48px;}
  .nav-btn{padding:14px;min-height:48px;}
  .profile-radio{padding:11px 16px;min-height:44px;}

  /* Learn cards — 2 columns on mobile */
  .learn-grid{grid-template-columns:repeat(2,1fr)!important;gap:8px!important;}
  .learn-card{min-height:100px;padding:10px;}

  /* Schema grid — single column */
  .schema-grid{grid-template-columns:1fr!important;}

  /* Stats grid — keep 3 but tighter */
  .stats-grid{gap:6px!important;}
  .stat-card{padding:10px 6px;}
  .stat-val{font-size:18px;}

  /* History cards */
  .hist-card{padding:12px;}

  /* Modals — full width on mobile */
  .modal-backdrop{padding:12px;align-items:flex-end;}
  .modal-box{max-width:100%;border-radius:16px 16px 0 0;max-height:85vh;}
  .modal-body{max-height:65vh;}

  /* Cards */
  .card{padding:14px;margin-bottom:12px;}

  /* Phase timeline touch targets */
  .phase-row{min-height:44px;}

  /* Variant cards */
  .variant-card{padding:14px;}
}

/* Responsive — very small (iPhone SE etc) */
@media(max-width:380px){
  #content{padding:12px 12px 140px;}

  .dual-time{grid-template-columns:1fr;gap:6px;}
  .time-box-value{font-size:20px;}

  .learn-grid{grid-template-columns:1fr!important;}

  .stat-val{font-size:16px;}
  .stat-card{padding:8px 4px;}

  .modal-backdrop{padding:0;}
  .modal-box{border-radius:16px 16px 0 0;}
}

/* Safe area for notched phones */
@supports(padding:env(safe-area-inset-bottom)){
  #mobile-tabs{padding-bottom:env(safe-area-inset-bottom);height:calc(60px + env(safe-area-inset-bottom));}
  #content{padding-bottom:calc(140px + env(safe-area-inset-bottom));}
  #mobile-topbar{padding-top:env(safe-area-inset-top);height:calc(52px + env(safe-area-inset-top));}
  @media(max-width:700px){
    #main{padding-top:calc(52px + env(safe-area-inset-top));}
  }
}