*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
:root{
  --bg:#0f0f0f;--bg2:#1a1a1a;--bg3:#242424;
  --text:#f0f0f0;--text2:#a0a0a0;--text3:#666;
  --border:#2a2a2a;--border2:#333;
  --blue:#378ADD;--green:#1D9E75;--amber:#BA7517;--red:#E24B4A;--purple:#7F77DD;
  --radius:12px;--radius-sm:8px;
}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;min-height:100vh;padding-bottom:80px}
.app{max-width:480px;margin:0 auto;padding:0 16px}

/* NAV BOTTOM */
.nav{position:fixed;bottom:0;left:0;right:0;background:var(--bg2);border-top:1px solid var(--border);display:flex;z-index:100;padding-bottom:env(safe-area-inset-bottom)}
.nav button{flex:1;padding:10px 4px 8px;border:none;background:transparent;color:var(--text2);font-size:9px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:3px;transition:color .15s}
.nav button i{font-size:20px}
.nav button.active{color:var(--blue)}
.nav button span{font-size:9px}

/* SECTIONS */
.sec{display:none;padding-top:16px}
.sec.active{display:block}

/* HEADER */
.page-header{margin-bottom:16px}
.page-header h1{font-size:22px;font-weight:600}
.page-header p{font-size:13px;color:var(--text2);margin-top:2px}

/* CARDS */
.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:12px}
.card-title{font-size:13px;font-weight:600;color:var(--text);margin-bottom:12px;display:flex;align-items:center;gap:6px}
.card-title i{color:var(--blue);font-size:16px}

/* METRICS */
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.metric{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:12px}
.metric-label{font-size:10px;color:var(--text2);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
.metric-val{font-size:22px;font-weight:600;color:var(--text)}
.metric-sub{font-size:10px;color:var(--text3);margin-top:2px}

/* ROWS */
.row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border)}
.row:last-child{border:none}
.row-name{font-size:14px;color:var(--text)}
.row-note{font-size:11px;color:var(--text2);margin-top:1px}
.tag{font-size:11px;padding:3px 9px;border-radius:20px;background:var(--bg3);color:var(--text2);white-space:nowrap}

/* PROGRESS */
.prog-wrap{background:var(--bg3);border-radius:4px;height:6px;overflow:hidden;margin:4px 0 10px}
.prog-fill{height:100%;border-radius:4px;transition:width .4s}
.lbl{display:flex;justify-content:space-between;font-size:11px;color:var(--text2);margin-bottom:2px}

/* BUTTONS */
.btn{padding:10px 18px;border-radius:var(--radius-sm);border:1px solid var(--border2);background:var(--bg3);color:var(--text);font-size:13px;cursor:pointer;font-family:inherit;transition:all .15s}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn-danger{background:var(--red);border-color:var(--red);color:#fff}
.btn-group{display:flex;gap:8px;flex-wrap:wrap}

/* CHECK BUTTON */
.check-btn{width:26px;height:26px;border-radius:50%;border:1.5px solid var(--border2);background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--text2);flex-shrink:0;transition:all .15s}
.check-btn.on{background:var(--green);border-color:var(--green);color:#fff}

/* TIMER */
.timer-big{font-size:56px;font-weight:300;text-align:center;color:var(--text);letter-spacing:-2px;margin:8px 0}

/* PILLS */
.pill{display:inline-block;font-size:11px;padding:3px 10px;border-radius:20px;margin:2px}
.pill-w{background:#BA751722;color:#EF9F27}
.pill-s{background:#1D9E7522;color:#5DCAA5}
.pill-i{background:#378ADD22;color:#85B7EB}
.pill-r{background:#E24B4A22;color:#F09595}

/* CHAT */
.chat-wrap{max-height:300px;overflow-y:auto;margin-bottom:12px;display:flex;flex-direction:column;gap:10px}
.msg{padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.6;max-width:88%}
.msg.user{background:var(--blue);color:#fff;align-self:flex-end;border-radius:16px 16px 4px 16px}
.msg.ai{background:var(--bg3);color:var(--text);align-self:flex-start;border-radius:16px 16px 16px 4px}
.chat-input-row{display:flex;gap:8px}
.chat-input-row input{flex:1}
.quick-btns{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}

/* INPUTS */
input[type=text],input[type=number],input[type=email],input[type=password],textarea,select{
  padding:10px 14px;border-radius:var(--radius-sm);border:1px solid var(--border2);
  background:var(--bg3);color:var(--text);font-size:14px;font-family:inherit;width:100%
}
input[type=range]{width:100%;accent-color:var(--blue);margin:6px 0}
select{cursor:pointer}
textarea{resize:vertical;min-height:80px}

/* CALENDAR */
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-top:8px}
.cal-hdr{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-bottom:4px}
.cal-hdr span{font-size:10px;color:var(--text2);text-align:center;font-weight:600}
.cal-day{height:36px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:12px;background:var(--bg3);color:var(--text2)}
.cal-day.done{background:var(--green);color:#fff;font-weight:600}
.cal-day.miss{background:#E24B4A22;color:#E24B4A}
.cal-day.today-c{border:2px solid var(--blue);color:var(--blue)}
.cal-day.empty{background:transparent}

/* DAY SELECTOR */
.day-sel{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px;margin-bottom:12px;scrollbar-width:none}
.day-sel::-webkit-scrollbar{display:none}
.day-sel button{padding:6px 14px;border-radius:20px;border:1px solid var(--border2);background:var(--bg3);color:var(--text2);font-size:12px;cursor:pointer;white-space:nowrap;flex-shrink:0}
.day-sel button.active{background:var(--blue);border-color:var(--blue);color:#fff}

/* RPE */
.rpe-btns{display:flex;gap:4px;flex-wrap:wrap}
.rpe-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--border2);background:var(--bg3);color:var(--text2);font-size:13px;font-weight:600;cursor:pointer}
.rpe-btn.sel{background:var(--blue);border-color:var(--blue);color:#fff}

/* STREAK */
.streak-big{font-size:48px;font-weight:700;color:var(--amber);text-align:center}

/* LOAD INPUT */
.load-input{width:70px;padding:6px 8px;border-radius:6px;border:1px solid var(--border2);background:var(--bg3);color:var(--text);font-size:13px;text-align:center}

/* NOTIF */
.notif{position:fixed;top:16px;left:16px;right:16px;background:var(--blue);color:#fff;border-radius:var(--radius);padding:12px 16px;font-size:13px;z-index:200;display:none;animation:fadeIn .3s}
@keyframes fadeIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

/* WEEK BARS */
.wk-bars{display:flex;gap:6px;align-items:flex-end;height:70px;margin:8px 0 4px}
.wk-bar-wrap{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px}
.wk-bar{width:100%;border-radius:4px;background:var(--bg3);transition:height .4s}
.wk-bar.filled{background:var(--blue)}

/* PROJ */
.proj-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.proj-item{background:var(--bg3);border-radius:var(--radius-sm);padding:10px 8px;text-align:center}
.proj-wk{font-size:10px;color:var(--text2)}
.proj-val{font-size:18px;font-weight:700;color:var(--green);margin:4px 0}
.proj-desc{font-size:9px;color:var(--text2);line-height:1.4}

/* PHASE */
.phase-pill{display:inline-flex;align-items:center;gap:6px;background:var(--blue);background:linear-gradient(90deg,#185FA5,#378ADD);color:#fff;font-size:11px;font-weight:600;padding:4px 12px;border-radius:20px;margin-bottom:12px}

/* MODAL */
.modal-overlay{position:fixed;inset:0;background:#000a;z-index:300;display:none;align-items:flex-end;justify-content:center}
.modal-overlay.open{display:flex}
.modal{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius) var(--radius) 0 0;padding:20px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto}
.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.modal-title{font-size:16px;font-weight:600}
.modal-close{background:none;border:none;color:var(--text2);font-size:20px;cursor:pointer;padding:4px}

/* FORM */
.form-group{margin-bottom:12px}
.form-label{font-size:12px;color:var(--text2);margin-bottom:4px;display:block}

/* BADGE */
.badge{display:inline-block;font-size:10px;padding:2px 8px;border-radius:20px;font-weight:600}
.badge-green{background:#1D9E7522;color:#5DCAA5}
.badge-blue{background:#378ADD22;color:#85B7EB}
.badge-red{background:#E24B4A22;color:#F09595}
.badge-gray{background:var(--bg3);color:var(--text2)}

/* TABS (trainer) */
.tabs{display:flex;gap:4px;margin-bottom:16px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab-btn{padding:7px 14px;border-radius:20px;border:1px solid var(--border2);background:var(--bg3);color:var(--text2);font-size:12px;cursor:pointer;white-space:nowrap;flex-shrink:0;font-family:inherit}
.tab-btn.active{background:var(--blue);border-color:var(--blue);color:#fff}

/* CLIENT CARD (trainer list) */
.client-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:14px;margin-bottom:10px;cursor:pointer;transition:border-color .15s}
.client-card:hover,.client-card.selected{border-color:var(--blue)}
.client-avatar{width:40px;height:40px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:#fff;flex-shrink:0}

/* LOADING */
.loading{text-align:center;padding:40px;color:var(--text2);font-size:14px}
.spinner{width:24px;height:24px;border:2px solid var(--border2);border-top-color:var(--blue);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto 12px}
@keyframes spin{to{transform:rotate(360deg)}}

/* EMPTY STATE */
.empty-state{text-align:center;padding:40px 20px;color:var(--text2)}
.empty-state i{font-size:40px;margin-bottom:12px;display:block;color:var(--border2)}

/* SCROLLBAR */
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px}