*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f0f0f;--bg2: #1a1a1a;--bg3: #242424;--border: #2e2e2e;--text: #e8e8e8;--text2: #a0a0a0;--accent: #ff6b35;--accent2: #ff8c5a;--green: #4caf50;--yellow: #ffc107;--red: #f44336;--blue: #2196f3;--radius: 10px;--shadow: 0 2px 12px rgba(0,0,0,.4)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;font-size:15px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;font-family:inherit;font-size:14px;border-radius:var(--radius);padding:10px 20px;transition:opacity .15s,transform .1s}button:hover{opacity:.88}button:active{transform:scale(.97)}button:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff;font-weight:600}.btn-secondary{background:var(--bg3);color:var(--text);border:1px solid var(--border)}.btn-danger{background:var(--red);color:#fff}.btn-success{background:var(--green);color:#fff;font-weight:600}.btn-sm{padding:6px 14px;font-size:13px}.btn-full{width:100%}input,select,textarea{background:var(--bg3);border:1px solid var(--border);color:var(--text);border-radius:var(--radius);padding:10px 14px;font-family:inherit;font-size:14px;width:100%;outline:none;transition:border-color .2s}input:focus,select:focus,textarea:focus{border-color:var(--accent)}select option{background:var(--bg2)}label{display:block;font-size:13px;color:var(--text2);margin-bottom:5px;font-weight:500}.form-group{margin-bottom:16px}.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge-green{background:#4caf5026;color:var(--green)}.badge-yellow{background:#ffc10726;color:var(--yellow)}.badge-red{background:#f4433626;color:var(--red)}.badge-blue{background:#2196f326;color:var(--blue)}.badge-gray{background:#a0a0a026;color:var(--text2)}.badge-orange{background:#ff6b3526;color:var(--accent)}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--bg3);border:1px solid var(--border);color:var(--text);padding:12px 24px;border-radius:30px;font-size:14px;z-index:9999;box-shadow:var(--shadow);animation:fadeInUp .3s ease}.toast.success{border-color:var(--green);color:var(--green)}.toast.error{border-color:var(--red);color:var(--red)}@keyframes fadeInUp{0%{opacity:0;transform:translate(-50%) translateY(10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.nav{position:fixed;bottom:0;left:0;right:0;background:var(--bg2);border-top:1px solid var(--border);display:flex;padding:8px 0 env(safe-area-inset-bottom,8px);z-index:100}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px;color:var(--text2);font-size:10px;cursor:pointer;border-radius:8px;transition:color .15s;background:none;border:none}.nav-item.active{color:var(--accent)}.nav-item svg{width:22px;height:22px}.page{max-width:480px;margin:0 auto;padding:20px 16px 90px;min-height:100vh}.page-title{font-size:22px;font-weight:700;margin-bottom:20px}.section-title{font-size:13px;color:var(--text2);text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px;font-weight:600}.loading{display:flex;align-items:center;justify-content:center;height:200px;color:var(--text2)}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes 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.15s}.day-chip.selected{border-color:var(--accent);color:var(--accent);background:#ff6b351a}.exercise-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:12px}.exercise-card.done{border-color:var(--green);opacity:.7}.exercise-name{font-weight:600;font-size:15px;margin-bottom:4px}.exercise-meta{font-size:13px;color:var(--text2)}.sets-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(70px,1fr));gap:8px;margin-top:12px}.set-input-wrap{display:flex;flex-direction:column;gap:4px}.set-input-wrap label{font-size:11px;color:var(--text2)}.set-input-wrap input{text-align:center;padding:8px}.stat-widget{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center}.stat-widget .value{font-size:28px;font-weight:700;color:var(--accent)}.stat-widget .label{font-size:12px;color:var(--text2);margin-top:4px}