:root{--bg: #0f172a;--surface: #1e293b;--surface-2: #273449;--text: #f1f5f9;--text-dim: #94a3b8;--accent: #22c55e;--danger: #ef4444;--warning: #eab308;color-scheme:dark}[data-theme=light]{--bg: #f8fafc;--surface: #ffffff;--surface-2: #e2e8f0;--text: #0f172a;--text-dim: #64748b;--accent: #16a34a;--danger: #dc2626;--warning: #b45309;color-scheme:light}[data-theme=light] .calendar-cell,[data-theme=light] .session-row,[data-theme=light] .set-chip{border:1px solid #e2e8f0}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,system-ui,sans-serif;-webkit-font-smoothing:antialiased;touch-action:manipulation}input,button{font-size:16px}.app-shell{display:flex;flex-direction:column;height:100dvh}.app-content{flex:1;overflow-y:auto;padding:16px 16px calc(16px + env(safe-area-inset-bottom))}.bottom-nav{display:flex;justify-content:space-around;background:var(--surface);border-top:1px solid #33415577;padding:8px 0 calc(8px + env(safe-area-inset-bottom))}.nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--text-dim);text-decoration:none;font-size:11px;padding:4px 12px;min-width:56px}.nav-item.active{color:var(--accent)}.nav-icon{font-size:22px}.home-screen h2{color:var(--text-dim);font-size:14px;letter-spacing:.05em;margin-bottom:8px}.today-card{background:var(--surface);border-radius:16px;padding:24px;text-align:center;margin-bottom:16px}.today-card h1{margin:0 0 12px;font-size:26px}.today-card p{color:var(--text-dim);margin:4px 0}.today-card.rest{opacity:.85}.cta{width:100%;margin-top:16px;padding:16px;font-size:17px;font-weight:600;border:none;border-radius:12px;background:var(--accent);color:#052e12}.next-card{background:var(--surface-2);border-radius:12px;padding:16px;color:var(--text-dim)}.day-picker-toggle{display:block;width:100%;margin:16px 0 0;padding:10px;background:transparent;border:none;color:var(--text-dim);font-size:13px;font-weight:600;text-align:center}.day-picker{display:flex;flex-direction:column;gap:8px;margin-top:8px}.day-picker-item{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:12px 14px;border:1px solid #334155;border-radius:10px;background:transparent;color:var(--text);font-size:15px;font-weight:600;text-align:left}.day-picker-item.current{border-color:var(--accent)}.day-picker-meta{font-size:12px;font-weight:400;color:var(--text-dim)}.past-workout-link{display:block;width:100%;margin:20px 0 0;padding:12px;background:transparent;border:1px dashed #334155;border-radius:10px;color:var(--text-dim);font-size:14px;font-weight:600;text-align:center}.login-screen,.splash-screen,.placeholder-screen{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:24px;text-align:center}.login-screen form{display:flex;flex-direction:column;gap:12px;width:100%;max-width:320px}.login-screen input{padding:14px;border-radius:10px;border:1px solid #334155;background:var(--surface);color:var(--text)}.login-screen button{padding:14px;border-radius:10px;border:none;background:var(--accent);color:#052e12;font-weight:600}.error{color:var(--danger);font-size:14px}.today-card.in-progress{border:1px solid var(--warning)}.progress-label{color:var(--text-dim);font-size:13px;margin-bottom:4px}.workout-screen h1{font-size:24px;margin:4px 0 20px}.target-row{display:flex;justify-content:space-between;background:var(--surface);padding:12px 16px;border-radius:10px;margin-bottom:8px;font-size:14px}.target-row span{color:var(--text-dim)}.set-entry{margin-top:24px;background:var(--surface-2);border-radius:16px;padding:20px}.set-label{text-align:center;color:var(--text-dim);font-size:13px;letter-spacing:.05em;margin:0 0 16px}.input-row{display:flex;gap:12px;margin-bottom:20px}.input-row label{flex:1;display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-dim)}.input-row input{padding:14px;border-radius:10px;border:1px solid #334155;background:var(--bg);color:var(--text);text-align:center;font-size:20px;font-weight:600}.set-flex-row{display:flex;gap:10px;margin:12px 0}.secondary{flex:1;padding:12px;font-size:14px;font-weight:600;border:1px solid #334155;border-radius:10px;background:transparent;color:var(--text-dim)}.secondary.small{flex:none;padding:8px 12px;align-self:flex-end;margin-bottom:20px;color:var(--danger);border-color:var(--danger)}.finish-screen{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px;padding:24px}.finish-screen ul{list-style:none;padding:0;margin:16px 0;color:var(--text-dim)}.finish-screen .hint{color:var(--text-dim);font-size:13px;margin:8px 0 20px}.cancel-workout-btn{display:block;margin:0 0 16px;width:100%;padding:10px;font-size:13px;font-weight:600;border:1px solid var(--danger);border-radius:10px;background:transparent;color:var(--danger)}.workout-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.timer-toggle{background:var(--surface);border:1px solid #334155;color:var(--text-dim);border-radius:20px;padding:6px 12px;font-size:12px}.target-row.highlight{background:#14532d55;border:1px solid var(--accent)}.suggestion-note{font-size:13px;color:var(--accent);margin:8px 0 0}.mode-toggle{display:flex;gap:8px;margin-top:20px}.mode-toggle button{flex:1;padding:10px;border-radius:10px;border:1px solid #334155;background:var(--surface);color:var(--text-dim);font-size:13px}.mode-toggle button.active{border-color:var(--accent);color:var(--accent);background:#14532d33}.rest-timer{margin-top:24px;background:var(--surface-2);border-radius:16px;padding:24px;text-align:center}.rest-label{color:var(--text-dim);font-size:13px;letter-spacing:.05em;margin:0 0 8px}.rest-clock{font-size:40px;font-weight:700;margin:0 0 16px;font-variant-numeric:tabular-nums}.rest-controls{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}.rest-controls button{padding:10px 14px;border-radius:10px;border:1px solid #334155;background:var(--surface);color:var(--text);font-size:13px}.delta-up{color:var(--accent);font-size:14px;margin:4px 0 0}.delta-down{color:var(--text-dim);font-size:14px;margin:4px 0 0}.pr-list{margin:16px 0;display:flex;flex-direction:column;gap:8px;width:100%;max-width:320px}.pr-badge{background:#78350f33;border:1px solid var(--warning);border-radius:10px;padding:10px 12px;font-size:13px;margin:0;line-height:1.5}.storico-screen{padding-bottom:8px}.storico-screen h2{color:var(--text-dim);font-size:14px;letter-spacing:.05em;margin:0 0 12px}.storico-screen h1{font-size:22px;margin:4px 0}.back-link{background:none;border:none;color:var(--text-dim);font-size:14px;padding:0 0 12px;text-align:left}.calendar-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.calendar-header strong{text-transform:capitalize;font-size:15px}.calendar-header button{background:var(--surface);border:1px solid #334155;color:var(--text);border-radius:8px;width:36px;height:36px;font-size:16px}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-bottom:24px}.calendar-weekday{text-align:center;color:var(--text-dim);font-size:11px;padding-bottom:4px}.calendar-empty{min-height:1px}.calendar-cell{display:flex;flex-direction:column;align-items:center;gap:2px;background:var(--surface);border:none;border-radius:8px;padding:6px 0;color:var(--text)}.calendar-cell:disabled{opacity:.55}.calendar-cell.has-session{border:1px solid var(--accent)}.calendar-daynum{font-size:12px}.calendar-dot{font-size:10px}.list-title{color:var(--text-dim);font-size:14px;letter-spacing:.05em;margin:0 0 12px}.session-list{display:flex;flex-direction:column;gap:8px}.session-row{display:flex;justify-content:space-between;align-items:center;background:var(--surface);border:none;border-radius:12px;padding:14px 16px;color:var(--text);text-align:left}.session-row-stats{display:flex;flex-direction:column;align-items:flex-end;gap:2px;font-size:12px;color:var(--text-dim)}.pr-chip{color:var(--warning)}.past-session-screen .day-picker{margin-bottom:16px}.past-exercise-block{margin-bottom:18px}.past-exercise-block .add-exercise-btn{margin-top:4px}.session-detail-exercises{margin-top:20px;display:flex;flex-direction:column;gap:14px}.exercise-block-title{font-size:14px;font-weight:600;margin:0 0 6px}.sets-row{display:flex;flex-wrap:wrap;gap:6px}.set-chip{background:var(--surface);border-radius:8px;padding:6px 10px;font-size:12px;color:var(--text-dim)}.progressi-screen{padding-bottom:8px}.progressi-screen h2,.settings-screen h2{color:var(--text-dim);font-size:14px;letter-spacing:.05em;margin:0 0 12px}.period-cards{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}.period-card{background:var(--surface);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:2px}.period-card span{font-size:11px;color:var(--text-dim)}.period-card strong{font-size:18px}.period-card em{font-size:11px;font-style:normal}.chart-card{background:var(--surface);border-radius:12px;padding:12px 8px 4px;margin-bottom:16px}.chart-title{font-size:13px;color:var(--text-dim);margin:0 0 8px 8px}.filter-row{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}.filter-row button{padding:8px 12px;border-radius:8px;border:1px solid #334155;background:var(--surface);color:var(--text-dim);font-size:12px;font-weight:600}.filter-row button.active{border-color:var(--accent);color:var(--accent);background:#14532d33}.metric-switch{margin:4px 0 12px}.scheda-filter{margin-top:0}.chart-title-row{display:flex;align-items:center;justify-content:space-between}.session-row.static-row{cursor:default}.period-card em.delta-up,.period-card em.delta-down{color:inherit}.exercise-select{width:100%;padding:12px;border-radius:10px;border:1px solid #334155;background:var(--surface);color:var(--text);margin-bottom:16px}.insights-list{display:flex;flex-direction:column;gap:8px;margin-top:4px}.insight-note{background:var(--surface);border-radius:10px;padding:10px 12px;font-size:13px;margin:0;line-height:1.5}.settings-screen{padding-bottom:24px}.settings-tabs{display:flex;gap:6px;overflow-x:auto;margin-bottom:20px;padding-bottom:4px}.settings-tabs button{flex-shrink:0;padding:8px 14px;border-radius:999px;border:1px solid #334155;background:var(--surface);color:var(--text-dim);font-size:13px}.settings-tabs button.active{background:var(--accent);color:#062;border-color:var(--accent);font-weight:600}.settings-tab-content{display:flex;flex-direction:column;gap:12px}.settings-day-block{background:var(--surface);border-radius:12px;padding:14px;margin-bottom:4px}.settings-exercise-row{border-top:1px solid #33415555;padding:10px 0;display:flex;flex-direction:column;gap:8px}.settings-exercise-row:first-of-type{border-top:none}.settings-ex-name{width:100%;padding:8px 10px;border-radius:8px;border:1px solid #334155;background:var(--surface-2);color:var(--text);font-size:14px;font-weight:600}.settings-ex-fields{display:flex;gap:8px;flex-wrap:wrap}.settings-ex-fields label{display:flex;flex-direction:column;gap:2px;font-size:10px;color:var(--text-dim);flex:1;min-width:60px}.settings-ex-fields input{padding:6px;border-radius:6px;border:1px solid #334155;background:var(--surface-2);color:var(--text);width:100%}.settings-ex-actions{display:flex;align-items:center;gap:8px}.settings-active-toggle{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--text-dim);margin-right:auto}.settings-ex-actions button{width:30px;height:30px;border-radius:8px;border:1px solid #334155;background:var(--surface-2);color:var(--text)}.settings-ex-actions button.danger{color:var(--danger);border-color:var(--danger)}.add-exercise-btn{margin-top:8px;width:100%;padding:10px;border-radius:8px;border:1px dashed #334155;background:none;color:var(--text-dim);font-size:13px}.input-row{display:flex;gap:10px;flex-wrap:wrap}.input-row label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--text-dim);flex:1;min-width:100px}.input-row input,.input-row select{padding:10px;border-radius:8px;border:1px solid #334155;background:var(--surface);color:var(--text)}.settings-note-label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--text-dim)}.settings-note-label input{padding:10px;border-radius:8px;border:1px solid #334155;background:var(--surface);color:var(--text)}.mode-toggle{display:flex;gap:6px}.mode-toggle button{flex:1;padding:10px;border-radius:8px;border:1px solid #334155;background:var(--surface);color:var(--text-dim);font-size:13px}.mode-toggle button.active{background:var(--accent);color:#062;border-color:var(--accent);font-weight:600}.logout-btn{margin-top:12px;width:100%;padding:12px;border-radius:10px;border:1px solid var(--danger);background:none;color:var(--danger);font-size:14px}