:root{--primary: #007aff;--primary-dark: #0055d4;--primary-light: rgba(0, 122, 255, .12);--success: #30d158;--success-light: rgba(48, 209, 88, .12);--warning: #ff9f0a;--warning-light: rgba(255, 159, 10, .12);--danger: #ff453a;--danger-light: rgba(255, 69, 58, .12);--orange: #ff6b35;--bg: #f5f5f7;--bg-elevated: #ffffff;--bg-secondary: #fafafa;--text-primary: #1d1d1f;--text-secondary: #86868b;--text-tertiary: #aeaeb2;--border: rgba(0, 0, 0, .06);--border-strong: rgba(0, 0, 0, .1);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .12);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Helvetica Neue,sans-serif;font-size:1rem;line-height:1.5;color:var(--text-primary);background-color:var(--bg);padding:var(--safe-top) var(--safe-bottom) 0 0;min-height:100dvh;overflow-x:hidden;-webkit-overflow-scrolling:touch}.top-bar{position:fixed;top:0;left:0;right:0;z-index:100;background:#f5f5f7b8;-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:.5px solid var(--border-strong)}.top-bar__inner{display:flex;align-items:center;gap:12px;padding:12px 16px;padding-top:calc(12px + var(--safe-top))}.top-bar__title{flex:1;min-width:0}.top-bar__title h1{font-size:1.1rem;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.top-bar__progress{font-size:.75rem;color:var(--text-secondary);margin-top:2px}.back-link{font-size:.95rem;font-weight:500;color:var(--primary);text-decoration:none;display:flex;align-items:center;gap:4px;transition:opacity .15s}.back-link:active{opacity:.6}.top-bar__action,.top-bar__logout{width:40px;height:40px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;transition:all .15s ease;flex-shrink:0}.top-bar__action{background:var(--primary-light);color:var(--primary);text-decoration:none}.top-bar__logout{background:var(--danger-light);color:var(--danger)}.top-bar__action:active,.top-bar__logout:active{transform:scale(.92)}.content{padding:calc(80px + var(--safe-top)) 16px calc(40px + var(--safe-bottom));max-width:480px;margin:0 auto}.date-icon{width:56px;min-width:56px;border-radius:var(--radius-md);overflow:hidden;background:var(--bg-elevated);box-shadow:var(--shadow-md),inset 0 0 0 .5px var(--border-strong);text-align:center}.date-icon__header{background:linear-gradient(180deg,var(--danger),#d63027);color:#fff;font-size:.6rem;font-weight:600;letter-spacing:.02em;text-transform:uppercase;padding:4px 0}.date-icon__day{font-size:1.5rem;font-weight:500;color:var(--text-primary);padding:2px 0;line-height:1.2}.date-icon__month{font-size:.6rem;font-weight:500;color:var(--text-secondary);text-transform:uppercase;padding-bottom:5px}.category{margin-bottom:20px}.category__title{font-size:.8rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;padding:0 4px 10px}.exercise-list{display:flex;flex-direction:column;gap:10px}.exercise-card{background:var(--bg-elevated);border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-sm),inset 0 0 0 .5px var(--border);transition:all .3s cubic-bezier(.4,0,.2,1)}.exercise-card.completed{opacity:.6;transform:scale(.98)}.exercise-card__info{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px}.exercise-card__name{font-size:1rem;font-weight:600;color:var(--text-primary)}.exercise-card__reps{font-size:.85rem;font-weight:500;color:var(--text-secondary);white-space:nowrap}.exercise-card__sets{display:flex;gap:8px;flex-wrap:wrap}.exercise-card__actions{display:flex;gap:6px;align-items:center}.exercise-card__actions button{width:36px;height:36px;border-radius:var(--radius-sm);border:none;background:var(--bg);color:var(--text-secondary);cursor:pointer;font-size:1.1rem;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.exercise-card__actions button:disabled{opacity:.3;cursor:not-allowed}.exercise-card__actions button:active:not(:disabled){transform:scale(.9)}.exercise-card__actions .delete-btn{background:var(--danger-light);color:var(--danger);margin-left:auto}.set-btn{position:relative;width:48px;height:48px;border-radius:var(--radius-md);border:2px solid var(--border-strong);background:var(--bg-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s cubic-bezier(.4,0,.2,1);-webkit-tap-highlight-color:transparent}.set-btn:active{transform:scale(.88)}.set-btn__label{font-size:.9rem;font-weight:600;color:var(--text-secondary);transition:all .15s ease}.set-btn__check{position:absolute;width:22px;height:22px;color:#fff;opacity:0;transform:scale(.5) rotate(-10deg);transition:all .25s cubic-bezier(.34,1.56,.64,1)}.set-btn.done{background:var(--success);border-color:var(--success);box-shadow:0 4px 12px #30d15866}.set-btn.done .set-btn__label{opacity:0;transform:scale(.5)}.set-btn.done .set-btn__check{opacity:1;transform:scale(1) rotate(0)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 20px;border:none;border-radius:var(--radius-md);font-size:.95rem;font-weight:600;font-family:inherit;cursor:pointer;transition:all .15s ease;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.96)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn--primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 2px 8px #007aff4d}.btn--success{background:linear-gradient(135deg,var(--success),#28a745);color:#fff;box-shadow:0 2px 8px #30d1584d}.btn--secondary{background:var(--primary-light);color:var(--primary)}.btn--danger{background:var(--danger-light);color:var(--danger)}.btn--warning{background:var(--warning-light);color:var(--warning)}.btn--ghost{background:transparent;color:var(--primary)}.btn--full{width:100%}.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:24px}.stat-card{background:var(--bg-elevated);border-radius:var(--radius-lg);padding:16px 12px;text-align:center;box-shadow:var(--shadow-sm),inset 0 0 0 .5px var(--border)}.stat-card--accent{background:linear-gradient(135deg,var(--orange),#e85a2c);color:#fff;box-shadow:0 4px 16px #ff6b3559}.stat-card__value{font-size:1.5rem;font-weight:700;line-height:1.1}.stat-card__label{font-size:.7rem;font-weight:500;color:var(--text-secondary);margin-top:4px}.stat-card--accent .stat-card__label{color:#ffffffd9}.section-title{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:12px;text-transform:capitalize}.calendar-section{margin-bottom:24px}.calendar{background:var(--bg-elevated);border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-sm),inset 0 0 0 .5px var(--border)}.calendar__header{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-bottom:8px}.calendar__header span{text-align:center;font-size:.65rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase}.calendar__grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.calendar__cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);text-decoration:none;transition:all .15s ease}.calendar__cell:active{transform:scale(.9)}.calendar__day-num{font-size:.8rem;font-weight:500;color:var(--text-primary)}.calendar__cell--completed{background:var(--success-light)}.calendar__cell--completed .calendar__day-num{color:var(--success);font-weight:700}.calendar__cell--partial{background:var(--warning-light)}.calendar__cell--partial .calendar__day-num{color:var(--warning);font-weight:600}.calendar__cell--missed{background:var(--danger-light)}.calendar__cell--missed .calendar__day-num{color:var(--danger)}.calendar__cell--rest{background:#aeaeb214}.calendar__cell--rest .calendar__day-num,.calendar__cell--future .calendar__day-num{color:var(--text-tertiary)}.chart-section{margin-bottom:24px}.weekly-chart{display:flex;gap:12px;background:var(--bg-elevated);border-radius:var(--radius-lg);padding:20px 16px;box-shadow:var(--shadow-sm),inset 0 0 0 .5px var(--border)}.chart-bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px}.chart-bar__track{width:100%;height:90px;background:var(--bg);border-radius:var(--radius-sm);display:flex;align-items:flex-end;overflow:hidden}.chart-bar__fill{width:100%;background:linear-gradient(180deg,var(--success),#28a745);border-radius:var(--radius-sm);transition:height .5s cubic-bezier(.34,1.56,.64,1);min-height:4px}.chart-bar__label{font-size:.65rem;font-weight:600;color:var(--text-secondary)}.chart-bar__value{font-size:.7rem;font-weight:700;color:var(--text-primary)}.login-page{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 20px;background:linear-gradient(180deg,var(--bg) 0%,#e8ecf1 100%)}.login-logo{text-align:center;margin-bottom:32px}.login-logo__icon{font-size:3.5rem;display:block;margin-bottom:12px}.login-logo__title{font-size:1.75rem;font-weight:800;color:var(--text-primary);letter-spacing:-.02em}.login-logo__subtitle{font-size:.9rem;color:var(--text-secondary);margin-top:6px}.login-card{width:100%;max-width:360px;background:var(--bg-elevated);border-radius:var(--radius-xl);padding:24px;box-shadow:var(--shadow-lg),inset 0 0 0 .5px var(--border)}.login-tabs{display:flex;background:var(--bg);border-radius:var(--radius-md);padding:4px;margin-bottom:24px}.login-tab{flex:1;padding:10px;border:none;background:transparent;border-radius:10px;font-size:.9rem;font-weight:600;font-family:inherit;color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.login-tab.active{background:var(--bg-elevated);color:var(--text-primary);box-shadow:var(--shadow-md)}.login-form{display:flex;flex-direction:column;gap:16px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:.75rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.02em;padding-left:4px}.form-group input{padding:14px 16px;border:1.5px solid var(--border-strong);border-radius:var(--radius-md);font-size:1rem;font-family:inherit;background:var(--bg-secondary);color:var(--text-primary);transition:all .2s ease;-webkit-appearance:none}.form-group input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-light);background:var(--bg-elevated)}.form-group input::placeholder{color:var(--text-tertiary)}.login-error{font-size:.85rem;color:var(--danger);font-weight:500;text-align:center;min-height:1.2em}.login-submit{padding:16px;border:none;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:1rem;font-weight:700;font-family:inherit;cursor:pointer;transition:all .15s ease;box-shadow:0 2px 12px #007aff4d}.login-submit:active{transform:scale(.97)}.login-submit:disabled{opacity:.6;cursor:not-allowed;transform:none}.text-center{text-align:center}.text-muted{color:var(--text-secondary)}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mb-2{margin-bottom:8px}.mb-4{margin-bottom:16px}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.fade-in{animation:fadeIn .3s ease-out forwards}.exercise-item{padding:14px 16px;border-bottom:1px solid var(--border)}.exercise-item:last-child{border-bottom:none}.exercise-item__header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px}.exercise-item__name{font-size:.95rem;font-weight:600;color:var(--text-primary)}.exercise-item__reps{font-size:.8rem;color:var(--text-secondary);font-weight:500}.exercise-item__sets{display:flex;gap:8px;flex-wrap:nowrap;align-items:center}.empty-workout{padding:32px 16px;text-align:center}.empty-workout__icon{font-size:2.5rem;margin-bottom:12px}.empty-workout__text{color:var(--text-secondary);font-size:.9rem;margin-bottom:16px}