*{box-sizing:border-box}:root{--bg-dark: #0A1420;--card-bg: #0C1B2E;--item-bg: #0F1E33;--input-bg: #081118;--primary-blue: #3b82f6;--primary-hover: #2563eb;--text-main: #ffffff;--text-muted: #94a3b8;--border-color: #132F4C}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-dark);color:var(--text-main);margin:0;padding:20px 10px;min-height:100vh;display:flex;justify-content:center}.container{background:var(--card-bg);width:100%;max-width:700px;padding:25px;border-radius:16px;box-shadow:0 10px 40px #00000080;margin:0 auto;border:1px solid var(--border-color)}.center-content{text-align:center;margin-top:50px}.header-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px;padding-bottom:15px;border-bottom:1px solid var(--border-color)}h1{margin:0;font-size:1.5rem;font-weight:700;color:var(--text-main)}h2{font-size:1.2rem;color:var(--text-muted);margin-bottom:20px;font-weight:500}.user-info{display:flex;align-items:center;gap:12px}.user-info img{width:36px;height:36px;border-radius:50%;border:2px solid var(--border-color)}.user-info button{background:#0003;border:1px solid var(--border-color);color:var(--text-muted);padding:8px 14px;border-radius:8px;font-size:.85rem;cursor:pointer;transition:all .2s}.user-info button:hover{background:#ffffff0d;color:#fff;border-color:#fff}.tabs{display:flex;background-color:var(--bg-dark);border-radius:12px;padding:6px;margin-bottom:25px;gap:5px}.tab-button{flex:1;padding:10px;background:none;border:none;color:var(--text-muted);font-weight:600;cursor:pointer;border-radius:8px;transition:all .2s ease}.tab-button:hover{color:#fff;background-color:#ffffff0d}.tab-button.active{background-color:var(--primary-blue);color:#fff;box-shadow:0 2px 10px #3b82f64d}.input-group{background-color:var(--bg-dark);padding:20px;border-radius:12px;margin-bottom:30px;border:1px solid var(--border-color)}.form-row{display:flex;gap:15px;margin-bottom:15px}.form-row.three-cols>*{flex:1}.input-wrapper{display:flex;flex-direction:column}.input-wrapper.full-width{width:100%}.input-wrapper label{font-size:.8rem;color:var(--text-muted);margin-bottom:6px;font-weight:600;margin-left:2px}input{background-color:#0f172a;border:1px solid var(--border-color);border-radius:8px;padding:12px;color:#fff;font-size:1rem;width:100%;transition:all .2s}input:focus{outline:none;border-color:var(--primary-blue);box-shadow:0 0 0 2px #3b82f633}.add-btn{width:100%;background-color:var(--primary-blue);color:#fff;border:none;padding:14px;border-radius:8px;font-weight:600;font-size:1rem;cursor:pointer;transition:background-color .2s,transform .1s;box-shadow:0 4px 12px #3b82f64d}.add-btn:hover{background-color:var(--primary-hover)}.add-btn:active{transform:scale(.98)}.workout-list{display:flex;flex-direction:column;gap:15px}.workout-card{background-color:var(--item-bg);border:1px solid transparent;border-radius:12px;padding:18px;position:relative;animation:fadeIn .4s ease-out;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.workout-card:hover{transform:translateY(-4px);box-shadow:0 10px 20px #0006;border-color:#3b82f666;z-index:10}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.05)}.card-header h3{margin:0;color:#fff;font-size:1.15rem;font-weight:600}.card-actions{display:flex;gap:8px}.icon-btn{background:#0003;border:none;border-radius:6px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1rem;transition:all .2s;opacity:.7}.workout-card:hover .icon-btn{opacity:1}.icon-btn:hover{background-color:#ffffff1a;transform:scale(1.1)}.icon-btn.delete:hover{background-color:#ef444433;color:#ef4444}.card-details{display:flex;gap:30px;margin-bottom:15px}.detail-item{display:flex;flex-direction:column}.detail-item .label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.detail-item .value{font-size:1.2rem;font-weight:700;color:#fff}.card-weights{background-color:#0003;padding:10px;border-radius:8px}.card-weights .label{display:block;font-size:.75rem;color:var(--text-muted);margin-bottom:8px;text-transform:uppercase}.weights-list{display:flex;flex-wrap:wrap;gap:8px}.weight-tag{background-color:var(--bg-dark);padding:5px 10px;border-radius:6px;font-size:.9rem;border:1px solid var(--border-color);color:#e2e8f0}.set-number{color:var(--primary-blue);font-weight:700;margin-right:6px;font-size:.8em}.edit-mode{display:flex;flex-direction:column;gap:15px}.edit-row{display:flex;gap:10px}.input-wrapper.flex-grow{flex-grow:1}.save-btn{background-color:#22c55e;color:#fff;border:none;padding:10px;border-radius:6px;cursor:pointer;flex:1;font-weight:700}.cancel-btn{background-color:#ef4444;color:#fff;border:none;padding:10px;border-radius:6px;cursor:pointer;flex:1;font-weight:700}.empty-msg{text-align:center;color:var(--text-muted);margin-top:30px;font-style:italic}@media(max-width:600px){.form-row.three-cols{flex-direction:column;gap:10px}.card-details{gap:15px}.container{padding:15px;border:none}}