:root{
    --bg:#12151A; --panel:#1A1E25; --panel-alt:#20252D; --border:#2A2F38;
    --amber:#E7A33E; --teal:#49B3A6; --blue:#5C8DE8; --rose:#DD6B6B;
    --text-hi:#F1F2F4; --text-mid:#A8AFB9; --text-low:#6B7280; --radius:10px;
  }
  *{box-sizing:border-box;}
  body{margin:0;background:var(--bg);color:var(--text-hi);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,sans-serif;}
  #app{padding:20px 16px 40px;min-height:100vh;}
  .mono{font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;}
  .wrap{max-width:720px;margin:0 auto;}
  .header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px;gap:12px;}
  .header-brand{display:flex;align-items:center;gap:10px;}
  .header-btns{display:flex;flex-direction:column;gap:6px;flex-shrink:0;}
  .header-logo{height:38px;width:auto;flex-shrink:0;}
  .login-logo{display:block;margin:0 auto 18px;height:70px;width:auto;}
  .brand-eyebrow{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);font-weight:700;margin:0 0 4px;}
  .brand-title{font-size:22px;font-weight:800;margin:0;letter-spacing:-.01em;}
  .brand-sub{font-size:12.5px;color:var(--text-mid);margin:3px 0 0;}
  .gear-btn{background:var(--panel-alt);border:1.5px solid var(--amber);color:var(--amber);height:36px;border-radius:8px;cursor:pointer;font-size:12.5px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:6px;flex-shrink:0;padding:0 12px;white-space:nowrap;}
  .gear-btn:hover{background:rgba(231,163,62,.1);}
  .sexo-toggle{display:flex;gap:6px;}
  .sexo-toggle button{flex:1;background:var(--panel-alt);border:1px solid var(--border);color:var(--text-mid);border-radius:6px;padding:8px 4px;font-size:12.5px;font-weight:700;cursor:pointer;}
  .sexo-toggle button.active{background:var(--amber);border-color:var(--amber);color:#1a1200;}
  .bmr-auto-btn{margin-top:6px;width:100%;background:none;border:1px dashed var(--text-low);color:var(--text-mid);border-radius:6px;padding:6px;font-size:11px;cursor:pointer;}
  .bmr-auto-btn:hover{border-color:var(--amber);color:var(--amber);}
  .goals-panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px;margin-bottom:16px;display:none;}
  .goals-panel.open{display:block;}
  .goals-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:8px;}
  .goal-field label{display:block;font-size:10px;color:var(--text-low);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px;}
  .goal-field input{width:100%;background:var(--panel-alt);border:1px solid var(--border);color:var(--text-hi);border-radius:6px;padding:6px 7px;font-size:13px;font-family:inherit;}
  .goals-save{margin-top:10px;background:var(--amber);color:#1a1200;border:none;border-radius:7px;padding:8px 14px;font-size:12.5px;font-weight:700;cursor:pointer;}
  .datenav{display:flex;align-items:center;justify-content:space-between;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:8px 10px;margin-bottom:16px;}
  .datenav button{background:var(--panel-alt);border:1px solid var(--border);color:var(--text-hi);width:30px;height:30px;border-radius:6px;cursor:pointer;font-size:14px;}
  .datenav button:hover{border-color:var(--text-low);}
  .datenav .label{font-size:13.5px;font-weight:600;text-transform:capitalize;}
  .datenav .today-btn{font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--amber);background:none;border:none;cursor:pointer;width:auto;padding:0 4px;font-weight:700;}
  .tabs{display:flex;gap:4px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:4px;margin-bottom:18px;}
  .tab{flex:1;text-align:center;padding:8px 6px;border-radius:7px;font-size:12.5px;font-weight:700;color:var(--text-mid);cursor:pointer;letter-spacing:.02em;}
  .tab.active{background:var(--panel-alt);color:var(--text-hi);}
  .panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:14px;}
  .panel-title{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--text-low);font-weight:700;margin:0 0 12px;}
  .gauge-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
  .gauge-center{font-size:20px;font-weight:800;}
  .gauge-sub{font-size:10.5px;color:var(--text-mid);text-transform:uppercase;letter-spacing:.05em;}
  .gauge-status{font-size:12px;color:var(--text-mid);flex:1;min-width:140px;}
  .gauge-status b{color:var(--text-hi);}
  .macro{margin-top:14px;}
  .macro-head{display:flex;justify-content:space-between;font-size:12px;margin-bottom:5px;}
  .macro-head .name{font-weight:700;}
  .macro-head .val{color:var(--text-mid);}
  .macro-track{position:relative;height:14px;background:var(--panel-alt);border-radius:4px;overflow:hidden;border:1px solid var(--border);}
  .macro-fill{height:100%;border-radius:3px 0 0 3px;transition:width .3s ease;}
  .macro-ticks{position:absolute;inset:0;display:flex;pointer-events:none;}
  .macro-ticks span{flex:1;border-right:1px solid rgba(0,0,0,.25);}
  .macro-ticks span:last-child{border-right:none;}
  .meal-row{display:flex;align-items:center;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--border);gap:10px;}
  .meal-row:last-child{border-bottom:none;}
  .meal-name{font-size:13.5px;font-weight:600;}
  .meal-macros{font-size:11px;color:var(--text-mid);margin-top:2px;}
  .meal-kcal{font-size:14px;font-weight:800;color:var(--amber);white-space:nowrap;}
  .del-btn{background:none;border:none;color:var(--text-low);cursor:pointer;font-size:15px;padding:2px 4px;}
  .del-btn:hover{color:var(--rose);}
  .empty-state{color:var(--text-low);font-size:12.5px;padding:10px 0;text-align:center;}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:2px;}
  .form-grid.full{grid-template-columns:1fr;}
  .field label{display:block;font-size:10.5px;color:var(--text-low);text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px;}
  .field input, .field textarea{width:100%;background:var(--panel-alt);border:1px solid var(--border);color:var(--text-hi);border-radius:7px;padding:9px 10px;font-size:13.5px;font-family:inherit;}
  .field textarea{resize:vertical;min-height:54px;}
  .field input:focus, .field textarea:focus{outline:none;border-color:var(--amber);}
  .add-btn{margin-top:12px;width:100%;background:var(--amber);color:#1a1200;border:none;border-radius:8px;padding:11px;font-size:13.5px;font-weight:800;cursor:pointer;letter-spacing:.01em;}
  .add-btn.secondary{background:var(--teal);}
  .btn-outline{margin-top:10px;width:100%;background:transparent;border:1.5px solid var(--amber);color:var(--amber);border-radius:8px;padding:10.5px;font-size:13.5px;font-weight:800;cursor:pointer;letter-spacing:.01em;}
  .btn-outline:hover{background:rgba(231,163,62,.08);}
  .prompt-howto{background:rgba(231,163,62,.08);border:1px solid var(--amber);border-radius:8px;padding:10px 12px;margin:0 0 12px;}
  .prompt-howto-step{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--text-hi);padding:4px 0;line-height:1.4;}
  .prompt-howto-step .n{background:var(--amber);color:#1a1200;width:19px;height:19px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;flex-shrink:0;}
  .measure-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:14px;}
  .mcard{background:var(--panel-alt);border:1px solid var(--border);border-radius:8px;padding:10px 8px;text-align:center;}
  .mcard .v{font-size:17px;font-weight:800;}
  .mcard .l{font-size:9.5px;color:var(--text-low);text-transform:uppercase;letter-spacing:.05em;margin-top:2px;}
  .d{font-size:10px;margin-top:3px;font-weight:700;}
  .d.down{color:var(--teal);} .d.up{color:var(--rose);} .d.flat{color:var(--text-low);}
  table{width:100%;border-collapse:collapse;font-size:12px;}
  th{text-align:left;color:var(--text-low);text-transform:uppercase;font-size:9.5px;letter-spacing:.05em;padding:0 6px 8px;font-weight:700;}
  td{padding:8px 6px;border-top:1px solid var(--border);}
  td.num{font-family:"SFMono-Regular",Consolas,monospace;}
  tr:hover td{background:var(--panel-alt);}
  .over{color:var(--rose);} .under{color:var(--teal);}
  .legend{display:flex;gap:14px;font-size:11px;color:var(--text-mid);margin-bottom:8px;}
  .legend span{display:inline-flex;align-items:center;gap:5px;}
  .dot{width:8px;height:8px;border-radius:50%;display:inline-block;}
  .msg{font-size:12px;padding:9px 12px;border-radius:8px;margin-bottom:12px;background:var(--panel-alt);border:1px solid var(--border);color:var(--text-mid);}
  .msg.err{border-color:var(--rose);color:var(--rose);}
  .loading{text-align:center;color:var(--text-low);font-size:13px;padding:40px 0;}
  .burn-note{font-size:11.5px;color:var(--text-low);margin-top:10px;padding-top:10px;border-top:1px solid var(--border);line-height:1.5;}
  .deficit-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:14px;padding-top:14px;border-top:1px solid var(--border);}
  .dstat{background:var(--panel-alt);border:1px solid var(--border);border-radius:8px;padding:8px 4px;text-align:center;}
  .dstat .v{font-size:13.5px;font-weight:800;}
  .dstat .l{font-size:8.5px;color:var(--text-low);text-transform:uppercase;letter-spacing:.04em;margin-top:3px;}
  .heatmap{display:grid;grid-template-columns:repeat(10,1fr);gap:4px;margin-top:12px;}
  .heat-cell{aspect-ratio:1;border-radius:3px;background:var(--panel-alt);border:1px solid var(--border);}
  .heat-cell.partial{background:rgba(231,163,62,.55);border-color:var(--amber);}
  .heat-cell.full{background:var(--teal);border-color:var(--teal);}
  .stepper-btn{background:var(--panel-alt);border:1px solid var(--border);color:var(--text-hi);width:26px;height:26px;border-radius:6px;cursor:pointer;font-size:15px;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
  .stepper-btn:hover{border-color:var(--amber);}
  .act-kcal{font-size:14px;font-weight:800;color:var(--blue);white-space:nowrap;}
  .hist-scroll{max-height:340px;overflow-y:auto;}
  .hist-scroll table{width:100%;}
  .hist-scroll thead th{position:sticky;top:0;background:var(--panel);}
  .hist-scroll td.actions{width:1%;white-space:nowrap;text-align:right;}