:root{--orange:#FC4C02;--dark:#1a1a2e;--mid:#16213e;--light:#0f3460;--text:#e0e0e0;--muted:#888;--green:#4caf50;--red:#e53935;--amber:#ff9800;--radius:10px}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--dark);color:var(--text);font-family:'Segoe UI',sans-serif;min-height:100vh}
header{background:var(--mid);border-bottom:2px solid var(--orange);position:sticky;top:0;z-index:100}
.header-inner{display:flex;justify-content:space-between;align-items:center;padding:12px 24px}
h1{font-size:1.4rem;color:var(--orange)}
.header-right{display:flex;align-items:center;gap:14px}
.user-menu{display:flex;align-items:center;gap:8px;font-size:.85rem}
#user-avatar{width:28px;height:28px;border-radius:50%;object-fit:cover}
.btn-logout{background:none;border:1px solid #444;color:var(--muted);padding:4px 10px;border-radius:4px;cursor:pointer;font-size:.8rem}
.btn-logout:hover{border-color:var(--orange);color:var(--orange)}
nav{display:flex;padding:0 24px;gap:4px;overflow-x:auto}
.tab{background:none;border:none;color:var(--muted);padding:10px 16px;cursor:pointer;border-bottom:3px solid transparent;font-size:.88rem;white-space:nowrap;transition:all .2s}
.tab:hover,.tab.active{color:var(--orange);border-bottom-color:var(--orange)}
main{max-width:900px;margin:0 auto;padding:24px 16px}
.section{display:none}.section.active{display:block}
h2{font-size:1.3rem;margin-bottom:6px}
.subtitle{color:var(--muted);font-size:.85rem;margin-bottom:16px}
.card{background:var(--mid);border-radius:var(--radius);padding:20px;margin-bottom:16px}
.form-card{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.form-card input,.form-card select{background:var(--dark);border:1px solid var(--light);color:var(--text);padding:8px 12px;border-radius:6px;font-size:.9rem;flex:1;min-width:130px}
.btn-primary{background:var(--orange);color:#fff;border:none;padding:9px 20px;border-radius:6px;cursor:pointer;font-weight:bold;white-space:nowrap}
.btn-primary:hover{opacity:.85}
.btn-secondary{background:var(--light);color:#fff;border:none;padding:9px 18px;border-radius:6px;cursor:pointer;margin-bottom:16px}
.btn-secondary:hover{opacity:.85}
.time-goal-wrap{display:flex;flex-direction:column;gap:6px;min-width:160px}
.toggle-wrap{display:flex;align-items:center;gap:6px;font-size:.82rem;color:var(--muted);cursor:pointer}
.toggle-wrap input{width:auto;min-width:unset;flex:none}
/* Fitness */
.fitness-card{background:var(--mid);border-radius:var(--radius);padding:20px;margin-bottom:20px}
.fitness-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.fitness-label{font-size:.8rem;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}
.btn-assess{background:none;border:1px solid var(--light);color:var(--muted);padding:5px 12px;border-radius:6px;cursor:pointer;font-size:.8rem}
.btn-assess:hover{border-color:var(--orange);color:var(--orange)}
.fitness-bar-wrap{position:relative;margin-bottom:20px}
.fitness-bar{display:flex;border-radius:8px;overflow:hidden;height:40px}
.fitness-zone{flex:1;display:flex;align-items:center;justify-content:center;gap:4px;font-size:.75rem;font-weight:600}
.fitness-zone.red   {background:rgba(229,57,53,.25);color:#ef9a9a}
.fitness-zone.orange{background:rgba(255,152,0,.25);color:#ffcc80}
.fitness-zone.green {background:rgba(76,175,80,.25);color:#a5d6a7}
.fitness-indicator{position:absolute;bottom:-10px;width:20px;height:20px;border-radius:50%;border:3px solid var(--dark);transition:left .6s ease;transform:translateX(-50%);left:50%}
.fitness-indicator.green {background:var(--green);left:83%}
.fitness-indicator.orange{background:var(--amber);left:50%}
.fitness-indicator.red   {background:var(--red);  left:17%}
.fitness-title  {font-size:1rem;font-weight:bold;margin:10px 0 4px}
.fitness-explain{font-size:.88rem;line-height:1.6;color:#bbb;margin-bottom:10px}
.fitness-points {padding-left:18px;margin-bottom:8px}
.fitness-points li{font-size:.85rem;margin-bottom:3px;color:#ccc}
.fitness-meta   {font-size:.75rem;color:var(--muted)}
/* Quick stats */
.quick-stats{display:flex;gap:12px;flex-wrap:wrap;margin-top:4px}
.qs-card{background:var(--mid);border-radius:var(--radius);padding:14px 18px;flex:1;min-width:120px}
.qs-card .val{font-size:1.4rem;font-weight:bold;color:var(--orange)}
.qs-card .lbl{font-size:.75rem;color:var(--muted);margin-top:2px}
/* Goals */
.goals-group{margin-bottom:20px}
.goals-group h3{color:var(--muted);font-size:.85rem;text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}
.goal-card{background:var(--mid);border-left:4px solid var(--orange);border-radius:var(--radius);padding:12px 16px;margin-bottom:8px;display:flex;justify-content:space-between;align-items:center}
.goal-info{display:flex;flex-direction:column;gap:3px}
.goal-name{font-weight:600}
.goal-meta{font-size:.82rem;color:var(--muted)}
.goal-badge{font-size:.75rem;padding:2px 8px;border-radius:10px;margin-left:6px}
.goal-badge.finisher{background:#1a3a1a;color:var(--green)}
.goal-badge.time    {background:#1a2a3a;color:#64b5f6}
.btn-del{background:none;border:1px solid #555;color:#888;padding:4px 10px;border-radius:4px;cursor:pointer}
.btn-del:hover{border-color:#e74c3c;color:#e74c3c}
/* Strava */
.connected{color:var(--green);font-size:.85rem}
.btn-strava{background:var(--orange);color:#fff;text-decoration:none;padding:7px 14px;border-radius:6px;font-size:.85rem;font-weight:bold;cursor:pointer;border:none}
/* Activity */
.activity-header{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.stat{display:flex;flex-direction:column;align-items:center;background:var(--dark);border-radius:8px;padding:10px 14px;min-width:76px}
.stat .val{font-size:1.1rem;font-weight:bold;color:var(--orange)}
.stat .lbl{font-size:.7rem;color:var(--muted);margin-top:2px}
.analysis-content h2{font-size:1rem;color:var(--orange);margin:14px 0 6px}
.analysis-content ul{padding-left:18px}
.analysis-content li{margin-bottom:4px;font-size:.9rem}
.analysis-content p{font-size:.9rem;line-height:1.6;margin-bottom:8px}
/* Plan */
.plan-meta{color:var(--muted);font-size:.8rem;margin-bottom:12px}
.plan-content h3{color:var(--orange);margin:18px 0 4px;font-size:1rem}
.plan-content p,.plan-content li{font-size:.9rem;line-height:1.6}
.plan-content hr{border-color:#2a2a4a;margin:12px 0}
.plan-content strong{color:#ccc}
/* History */
.history-table{width:100%;border-collapse:collapse;font-size:.88rem}
.history-table th{color:var(--muted);text-align:left;padding:6px 10px;border-bottom:1px solid #2a2a4a;font-weight:normal;font-size:.8rem}
.history-table td{padding:8px 10px;border-bottom:1px solid #1a1a2e}
.history-table tr:hover td{background:var(--mid)}
.empty{color:var(--muted);font-style:italic;padding:20px 0}
.loading{color:var(--muted)}

/* Profile */
.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
@media(max-width:600px){.profile-grid{grid-template-columns:1fr}}
.profile-group{background:var(--mid);border-radius:var(--radius);padding:20px}
.profile-group h3{font-size:.85rem;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:14px}
.field-row{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}
.field-row label{font-size:.8rem;color:var(--muted)}
.field-row input,.field-row select,.field-row textarea{background:var(--dark);border:1px solid var(--light);color:var(--text);padding:8px 12px;border-radius:6px;font-size:.9rem;width:100%}
.field-row textarea{resize:vertical;min-height:70px}
.zones-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.zone-item{display:flex;flex-direction:column;gap:3px}
.zone-item label{font-size:.75rem;color:var(--muted)}
.zone-item input{background:var(--dark);border:1px solid var(--light);color:var(--text);padding:6px 10px;border-radius:6px;font-size:.88rem}
.zone-bar{height:6px;border-radius:3px;margin-top:2px}
.z1-bar{background:#64b5f6}.z2-bar{background:#81c784}.z3-bar{background:#fff176}
.z4-bar{background:#ffb74d}.z5-bar{background:#ef5350}.z6-bar{background:#b71c1c}
.btn-save{background:var(--orange);color:#fff;border:none;padding:10px 24px;border-radius:6px;cursor:pointer;font-weight:bold;margin-top:8px}
.btn-save:hover{opacity:.85}
.save-ok{color:var(--green);font-size:.85rem;margin-left:10px;opacity:0;transition:opacity .3s}