:root{--bg: #111111;--surface: #1c1c1c;--text: #f5f5f5;--muted: #9a9a9a;--accent: #4fd1c5;--danger: #e05a5a;--tap-min: 44px;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}button,input{font-size:1.1rem;min-height:var(--tap-min)}button{border:none;border-radius:10px;background:var(--accent);color:#06231f;font-weight:600;padding:.75rem 1.25rem}button:active{opacity:.85}input{background:var(--surface);color:var(--text);border:1px solid #333;border-radius:10px;padding:.6rem .9rem;width:100%}.session-runner{max-width:480px;margin:0 auto;padding:1.25rem 1rem 3rem}.muted{color:var(--muted)}.error-text{color:var(--danger)}button:disabled{opacity:.5}.login-screen{display:flex;flex-direction:column;justify-content:center;min-height:100vh;padding-bottom:25vh}.login-form{display:flex;flex-direction:column;gap:.75rem;margin-top:1rem}.back-link{background:none;color:var(--muted);padding:.4rem 0;min-height:auto;font-weight:500;align-self:flex-start}.week-picker,.slot-picker{display:flex;flex-direction:column;gap:.6rem;margin-top:1rem}.week-picker button{background:var(--surface);color:var(--text);text-align:left;font-weight:600}.week-picker button.active{background:var(--accent);color:#06231f}.slot-btn{display:flex;justify-content:space-between;align-items:center;background:var(--surface);color:var(--text);border:1px solid #333;padding:1rem}.slot-btn.slot-in_progress{border-color:var(--accent)}.slot-btn.slot-done{opacity:.6}.slot-btn.slot-abandoned{border-color:var(--danger)}.runner-header{display:flex;flex-direction:column;gap:.5rem;padding-bottom:1rem;margin-bottom:1rem;border-bottom:1px solid #2a2a2a}.runner-title{font-size:.95rem;color:var(--muted)}.core-extra-toggle{display:flex;gap:.5rem}.core-extra-toggle button{flex:1;background:var(--surface);color:var(--muted);font-weight:500}.core-extra-toggle button.active{background:var(--accent);color:#06231f;font-weight:700}.exercise-card{background:var(--surface);border-radius:14px;padding:1.25rem 1rem;margin-bottom:1rem}.exercise-header{display:flex;justify-content:space-between;align-items:baseline;gap:.5rem;margin-bottom:1rem;flex-wrap:wrap}.exercise-header h2{font-size:1.05rem;margin:0;letter-spacing:.02em}.priority-toggle{display:flex;gap:.4rem;width:100%}.priority-toggle button{flex:1;background:var(--surface);border:1px solid #333;color:var(--muted);padding:.4rem 0;font-size:.85rem;min-height:36px}.priority-toggle button.active{background:var(--accent);color:#06231f;border-color:var(--accent)}.weight-reps-row,.plyo-fields{display:flex;justify-content:space-around;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}.field-group{display:flex;flex-direction:column;align-items:center;gap:.4rem}.field-label{font-size:1.4rem;font-weight:700;min-width:4.5rem;text-align:center}.weight-input{font-size:1.4rem;font-weight:700;text-align:center;width:6.5rem;padding:.4rem .3rem}.stepper{display:flex;gap:.5rem}.stepper button{width:44px;padding:.5rem 0;text-align:center}.preview{font-size:.85rem}.quality-toggle{display:flex;gap:.5rem;width:100%}.quality-toggle button{flex:1;background:var(--surface);border:1px solid #333;color:var(--muted)}.quality-toggle button.active{background:var(--accent);color:#06231f;border-color:var(--accent)}.rpe-picker{margin-bottom:1rem}.rpe-row{display:flex;gap:.4rem;justify-content:space-between}.rpe-row button{flex:1;background:var(--surface);border:1px solid #333;color:var(--text);padding:.6rem 0}.rpe-row button.active{background:var(--accent);border-color:var(--accent);color:#06231f}.reps-left-row{display:flex;justify-content:space-between;padding:.35rem 0 0;font-size:.85rem}.reps-left-row span{flex:1;text-align:center}.reps-left-caption{text-align:center;font-size:.75rem;margin:.15rem 0 0}.reason-line{color:var(--accent);font-size:.9rem;margin-bottom:1rem;line-height:1.4}.log-set-btn{width:100%;padding:.9rem;font-size:1.15rem;margin-bottom:1rem}.logged-sets{border-top:1px solid #2a2a2a;padding-top:.75rem;display:flex;flex-direction:column;gap:.4rem;font-size:.9rem}.logged-set-row{display:flex;justify-content:space-between;gap:.5rem;flex-wrap:wrap}.rest-timer{white-space:nowrap}.exercise-nav{display:flex;justify-content:space-between;gap:.75rem;margin-bottom:1rem}.exercise-nav button{flex:1;background:var(--surface);color:var(--text)}.next-up{margin-bottom:1.5rem;font-size:.9rem}.finish-btn{width:100%;background:var(--surface);color:var(--text);border:1px solid #333}