@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap";*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--primary:#4f46e5;--primary-hover:#4338ca;--primary-light:#eef2ff;--primary-muted:#c7d2fe;--bg:#f8fafc;--bg-white:#fff;--bg-subtle:#f1f5f9;--border:#e2e8f0;--border-strong:#cbd5e1;--text-heading:#0f172a;--text-body:#334155;--text-muted:#64748b;--text-subtle:#94a3b8;--success:#10b981;--success-light:#d1fae5;--success-border:#6ee7b7;--danger:#ef4444;--danger-light:#fee2e2;--danger-border:#fca5a5;--warning:#f59e0b;--warning-light:#fef3c7;--sidebar-w:240px;--topbar-h:60px;--radius-sm:8px;--radius:12px;--radius-lg:16px;--radius-xl:20px;--shadow-sm:0 1px 3px #0f172a0f, 0 1px 2px #0f172a0a;--shadow:0 4px 6px -1px #0f172a12, 0 2px 4px -1px #0f172a0d;--shadow-md:0 10px 15px -3px #0f172a14, 0 4px 6px -2px #0f172a0a;--shadow-lg:0 20px 25px -5px #0f172a1a, 0 10px 10px -5px #0f172a0a;--font:"Inter", system-ui, -apple-system, sans-serif;--t:all .15s ease}html{-webkit-text-size-adjust:100%;font-size:16px}body{font-family:var(--font);background:var(--bg);color:var(--text-body);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.5}#root{min-height:100vh}button{cursor:pointer;border:none;outline:none;font-family:inherit}input,select,textarea{outline:none;font-family:inherit}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:99px}::-webkit-scrollbar-thumb:hover{background:var(--text-subtle)}.app-layout{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-w);background:var(--bg-white);border-right:1px solid var(--border);z-index:200;flex-direction:column;height:100vh;transition:transform .25s;display:flex;position:fixed;top:0;left:0}.sidebar-logo{border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:20px 20px 16px;display:flex}.logo-mark{background:linear-gradient(135deg, var(--primary), #818cf8);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;display:flex}.logo-text{color:var(--text-heading);letter-spacing:-.3px;font-size:17px;font-weight:800}.logo-text span{color:var(--primary)}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:12px 8px;display:flex;overflow-y:auto}.nav-link{border-radius:var(--radius-sm);color:var(--text-muted);cursor:pointer;transition:var(--t);text-align:left;background:0 0;border:none;align-items:center;gap:10px;width:100%;min-height:44px;padding:10px 12px;font-size:14px;font-weight:500;display:flex}.nav-link:hover{background:var(--bg-subtle);color:var(--text-body)}.nav-link.active{background:var(--primary-light);color:var(--primary);font-weight:600}.nav-link svg{flex-shrink:0}.sidebar-footer{border-top:1px solid var(--border);padding:12px 8px}.user-row{border-radius:var(--radius-sm);align-items:center;gap:10px;padding:8px 12px;display:flex}.user-avatar{background:linear-gradient(135deg, var(--primary), #818cf8);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:13px;font-weight:700;display:flex}.user-info{flex:1;min-width:0}.user-name{color:var(--text-heading);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.user-email{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.logout-btn{border-radius:var(--radius-sm);color:var(--text-subtle);transition:var(--t);background:0 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#4f46e51f}.form-input::placeholder{color:var(--text-subtle)}.form-input:disabled{background:var(--bg-subtle);color:var(--text-muted)}.form-select{background:var(--bg-white);border:1.5px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-heading);transition:var(--t);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;background-size:16px;min-height:44px;padding:10px 36px 10px 14px;font-family:inherit;font-size:14px}.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51f}.form-select option{background:var(--bg-white)}.form-hint{color:var(--text-muted);font-size:12px}.form-error{color:var(--danger);font-size:12px}.set-input{background:var(--bg-subtle);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text-heading);text-align:center;width:100%;min-height:44px;transition:var(--t);padding:8px 6px;font-family:inherit;font-size:14px}.set-input:focus{border-color:var(--primary);background:var(--bg-white);box-shadow:0 0 0 3px #4f46e51a}.set-input::placeholder{color:var(--text-subtle);font-size:12px}.badge{text-transform:uppercase;letter-spacing:.05em;border-radius:99px;align-items:center;gap:4px;padding:3px 9px;font-size:11px;font-weight:700;display:inline-flex}.badge-active{background:var(--primary-light);color:var(--primary)}.badge-completed{background:var(--success-light);color:var(--success);border:1px solid 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14px;display:flex}.tile:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}.tile.completed{background:var(--success-light);border-color:var(--success-border)}.tile.completed:hover{border-color:var(--success)}.tile-num{color:var(--text-heading);font-size:20px;font-weight:800}.tile-label{color:var(--text-muted);font-size:12px;font-weight:500}.tile.completed .tile-num,.tile.completed .tile-label{color:var(--success)}.grid-2{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.grid-4{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.alert{border-radius:var(--radius-sm);align-items:flex-start;gap:10px;margin-bottom:16px;padding:12px 16px;font-size:14px;display:flex}.alert-error{background:var(--danger-light);border:1px solid var(--danger-border);color:#b91c1c}.alert-success{background:var(--success-light);border:1px solid var(--success-border);color:#065f46}.alert-info{background:var(--primary-light);border:1px solid var(--primary-muted);color:#3730a3}.divider{background:var(--border);height:1px}.spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:36px;height:36px;animation:.75s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen{flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:240px;display:flex}.loading-text{color:var(--text-muted);font-size:13px}.empty-state{text-align:center;padding:56px 24px}.empty-state-emoji{margin-bottom:16px;font-size:44px}.empty-state h3{color:var(--text-heading);margin-bottom:6px;font-size:18px;font-weight:700}.empty-state p{color:var(--text-muted);max-width:300px;margin-bottom:20px;margin-left:auto;margin-right:auto;font-size:14px}.modal-overlay{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:1000;background:#0f172a66;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:420px;box-shadow:var(--shadow-lg);padding:28px}.modal-title{color:var(--text-heading);margin-bottom:8px;font-size:18px;font-weight:800}.modal-body{color:var(--text-muted);font-size:14px;line-height:1.6}.modal-actions{justify-content:flex-end;gap:10px;margin-top:24px;display:flex}.back-btn{color:var(--text-muted);cursor:pointer;transition:var(--t);background:0 0;border:none;align-items:center;gap:6px;margin-bottom:20px;padding:0;font-size:13px;font-weight:500;display:inline-flex}.back-btn:hover{color:var(--primary)}.delta{border-radius:4px;align-items:center;gap:3px;padding:2px 6px;font-size:11px;font-weight:700;display:inline-flex}.delta-pos{background:var(--success-light);color:var(--success)}.delta-neg{background:var(--danger-light);color:var(--danger)}.delta-neu{background:var(--bg-subtle);color:var(--text-muted)}.steps{align-items:center;margin-bottom:28px;display:flex}.step-item{align-items:center;gap:8px;display:flex}.step-bubble{width:28px;height:28px;transition:var(--t);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:800;display:flex}.step-bubble.todo{background:var(--bg-subtle);color:var(--text-subtle);border:1.5px solid var(--border)}.step-bubble.active{background:var(--primary);color:#fff;box-shadow:0 0 0 3px #4f46e533}.step-bubble.done{background:var(--success);color:#fff}.step-name{color:var(--text-muted);font-size:12px;font-weight:600}.step-item.active .step-name{color:var(--primary)}.step-item.done .step-name{color:var(--success)}.step-connector{background:var(--border);flex:1;min-width:20px;height:1.5px;margin:0 10px}.step-connector.done{background:var(--success)}.auth-wrap{background:linear-gradient(135deg, #f0f0ff 0%, var(--bg) 50%, #f0fff8 100%);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:420px;box-shadow:var(--shadow-lg);padding:40px}.auth-logo{text-align:center;margin-bottom:32px}.auth-brand{color:var(--text-heading);letter-spacing:-.5px;font-size:26px;font-weight:800}.auth-brand span{color:var(--primary)}.auth-tagline{color:var(--text-muted);margin-top:4px;font-size:13px}.auth-heading{color:var(--text-heading);margin-bottom:4px;font-size:20px;font-weight:800}.auth-sub{color:var(--text-muted);margin-bottom:24px;font-size:14px}.auth-switch{text-align:center;color:var(--text-muted);margin-top:20px;font-size:14px}.auth-link{color:var(--primary);font-weight:600}.auth-link:hover{text-decoration:underline}.section-title{text-transform:uppercase;letter-spacing:.06em;color:var(--text-subtle);margin-bottom:12px;font-size:12px;font-weight:700}.exercise-card{background:var(--bg-white);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:18px}.ex-header{justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:14px;display:flex}.ex-name{color:var(--text-heading);font-size:15px;font-weight:700}.ex-meta{color:var(--text-muted);margin-top:2px;font-size:12px}.sets-header{grid-template-columns:32px 1fr 1fr;gap:8px;margin-bottom:8px;display:grid}.sets-header span{text-transform:uppercase;letter-spacing:.05em;color:var(--text-subtle);text-align:center;font-size:11px;font-weight:700}.sets-header span:first-child{text-align:left}.set-row{grid-template-columns:32px 1fr 1fr;align-items:center;gap:8px;display:grid}.set-num{color:var(--text-subtle);text-align:center;font-size:13px;font-weight:700}.set-row+.set-row{margin-top:8px}.prev-data{flex-wrap:wrap;gap:10px;margin-top:3px;margin-bottom:6px;padding-left:40px;display:flex}.prev-item{color:var(--text-subtle);align-items:center;gap:4px;font-size:11px;display:flex}.weight-grid{grid-template-columns:repeat(7,1fr);gap:10px;display:grid}.weight-day{flex-direction:column;align-items:center;gap:6px;display:flex}.weight-day-name{text-transform:uppercase;letter-spacing:.04em;color:var(--text-subtle);font-size:11px;font-weight:700}.weight-day-input{text-align:center;width:100%}.weight-day-input.is-saved{background:var(--success-light);border-color:var(--success)!important}.weight-save-btn{width:100%;min-height:30px;padding:5px;font-size:11px;font-weight:700}.num-picker{flex-wrap:wrap;gap:8px;display:flex}.num-pill{border-radius:var(--radius-sm);cursor:pointer;border:2px solid var(--border);background:var(--bg-white);width:52px;height:52px;color:var(--text-body);transition:var(--t);justify-content:center;align-items:center;font-size:17px;font-weight:800;display:flex}.num-pill:hover{border-color:var(--primary);color:var(--primary)}.num-pill.selected{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 2px 8px #4f46e54d}.plan-card{background:var(--bg-white);border:1.5px solid var(--border);border-radius:var(--radius-lg);transition:var(--t);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:20px;display:flex}.plan-card:hover{border-color:var(--primary);box-shadow:var(--shadow)}.plan-card.completed-plan{border-color:var(--success-border);background:linear-gradient(135deg, var(--success-light), white)}.plan-card-name{color:var(--text-heading);margin-bottom:4px;font-size:16px;font-weight:700}.plan-card-meta{color:var(--text-muted);font-size:13px}.plan-card-actions{flex-shrink:0;gap:8px;display:flex}.ex-builder{background:var(--bg-subtle);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:14px}.ex-builder-row{grid-template-columns:1fr auto auto;align-items:start;gap:8px;display:grid}@media (width<=1024px){.main-content{padding:24px}}@media (width<=768px){.sidebar{transform:translate(-100%)}.sidebar.open{box-shadow:var(--shadow-lg);transform:translate(0)}.topbar{display:flex}.main-content{padding:16px;padding-top:calc(var(--topbar-h) + 16px);margin-left:0}.page-title{font-size:22px}.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}.weight-grid{grid-template-columns:repeat(4,1fr)}.tiles-grid{grid-template-columns:repeat(2,1fr)}.auth-card{padding:28px}.modal-actions{flex-direction:column-reverse}.modal{padding:24px}.ex-builder-row{grid-template-columns:1fr}}@media (width<=480px){.grid-2,.grid-3{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.weight-grid{grid-template-columns:repeat(4,1fr)}.tiles-grid{grid-template-columns:repeat(2,1fr)}.page-title{font-size:20px}.auth-card{padding:20px}.card{padding:16px}.exercise-card{padding:14px}.steps{flex-wrap:wrap;gap:6px}.step-connector{display:none}.modal-actions{flex-direction:column-reverse}}