@import"https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap";*{box-sizing:border-box;margin:0;padding:0}:root{font-family:Poppins,sans-serif;background-color:#2c2c2c;color:#fff;font-weight:400;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;padding:0;min-height:100vh;background-color:#2c2c2c}.app-header{position:fixed;top:0;left:0;right:0;height:56px;background:#111;display:flex;align-items:center;padding:0 16px;z-index:1100;border-bottom:1px solid rgba(255,255,255,.08)}.app-title{flex:1;text-align:center;font-size:1rem;font-weight:600;color:#fff;letter-spacing:.5px}.hamburger-menu{background:none;border:none;font-size:22px;color:#fff;cursor:pointer;padding:6px;border-radius:6px;transition:background .2s;width:40px}.hamburger-menu:hover{background:#ffffff1a}.back-button{background:none;border:none;font-size:18px;color:#fff;cursor:pointer;padding:6px;border-radius:6px;transition:background .2s;width:40px;text-align:right}.back-button:hover{background:#ffffff1a}.app-wrapper{padding-top:56px;min-height:100vh}.app-container{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;min-height:calc(100vh - 56px);padding:24px 20px 40px;width:95%;max-width:600px;margin:auto}.side-menu{position:fixed;top:56px;left:-82%;width:80%;height:calc(100vh - 56px);background:#1a1a1a;box-shadow:4px 0 20px #0006;transition:left .3s ease-in-out;z-index:1000;display:flex;flex-direction:column;padding:20px}.side-menu.open{left:0}.side-menu h2{font-size:1rem;font-weight:600;color:#ffffff80;text-transform:uppercase;letter-spacing:1px;margin-bottom:12px}.session-list{flex-grow:1;overflow-y:auto;display:flex;flex-direction:column;gap:8px;padding:4px 0}.session-list button{background:#2c2c2c;width:100%;color:#fff;padding:12px 16px;font-size:15px;border:none;cursor:pointer;text-align:left;border-radius:10px;transition:background .2s;font-family:Poppins,sans-serif}.session-list button:hover{background:#383838}.create-session-button{width:100%;margin-top:12px;background:#28a745;color:#fff;padding:13px;font-size:15px;font-weight:600;border:none;cursor:pointer;text-align:center;border-radius:36px;font-family:Poppins,sans-serif;transition:background .2s}.create-session-button:hover{background:#218838}.menu-footer{text-align:center;font-size:11px;color:#ffffff4d;padding:12px 0 0;margin-top:12px;border-top:1px solid rgba(255,255,255,.08)}.overlay{position:fixed;top:56px;left:0;width:100%;height:calc(100vh - 56px);background:#00000080;z-index:999}.session-item{width:100%;margin-bottom:12px;background:#1e1e1e;border-radius:10px;overflow:hidden}.session-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;cursor:pointer}.session-header h3{font-size:15px;font-weight:600;color:#fff;margin:0}.delete-session{background:none;border:none;font-size:16px;color:#ff5050cc;cursor:pointer;transition:transform .2s;padding:4px}.delete-session:hover{transform:scale(1.15)}input{flex:1;padding:10px 0;font-size:16px;background:transparent;color:#fff;border:none;outline:none;border-bottom:2px solid rgba(255,255,255,.3);transition:border-color .3s;font-family:Poppins,sans-serif}input::placeholder{color:#ffffff59}input:focus{border-bottom:2px solid white}.add-button{background:#2c2c2c;box-shadow:0 2px #96969680;color:#fff;border:none;padding:10px 16px;font-size:18px;font-weight:700;border-radius:8px;cursor:pointer;transition:background .3s;margin-left:8px}.add-button:hover{background:#444}.input-row{display:flex;align-items:flex-end;width:100%;gap:8px;margin-bottom:20px}.timer-container{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:24px;padding:16px;color:#fff;font-size:56px;font-weight:700;text-align:center}.timer-adjust{background:none;border:2px solid rgba(255,255,255,.3);color:#fff;font-size:18px;padding:6px 10px;cursor:pointer;border-radius:6px;transition:all .2s}.timer-adjust:hover{background:#ffffff26;border-color:#fff}@keyframes blink{0%,to{opacity:1}50%{opacity:.15}}.timer-zero{animation:blink .5s ease-in-out infinite;color:#f44}.exercise-list{list-style:none;padding:0;margin:0;width:100%}.exercise-item{position:relative;padding-left:16px;margin-bottom:8px;background:#1e1e1e;border-radius:10px;overflow:hidden}.exercise-item:before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:#28a745;border-radius:2px 0 0 2px}.exercise-header{display:flex;align-items:center;justify-content:space-between;padding:14px 14px 14px 8px;cursor:pointer}.exercise-name{color:#fff;font-size:15px;font-weight:600}.add-set-button{background:#28a745;color:#fff;border:none;padding:7px 13px;font-size:13px;font-weight:600;border-radius:20px;cursor:pointer;transition:background .2s;font-family:Poppins,sans-serif}.add-set-button:hover{background:#218838}.exercise-sets{padding:0 14px 12px 8px}.exercise-sets p{font-size:12px;color:#fff6;margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.series-container{display:flex;flex-direction:column;gap:4px}.series-row{display:flex;gap:12px;align-items:center;font-size:14px;padding:4px 0}.series-number{color:#ffffff4d;min-width:18px;font-size:12px}.series-weight{color:#fff;font-weight:600}.series-reps{color:#fff9}.set-inputs{display:flex;gap:12px;padding:10px 14px 14px 8px;border-top:1px solid rgba(255,255,255,.08)}.set-inputs select{flex:1;padding:8px;text-align:center;border:1px solid rgba(255,255,255,.3);background:#2c2c2c;color:#fff;border-radius:8px;font-size:14px;cursor:pointer;font-family:Poppins,sans-serif;-webkit-appearance:none;-moz-appearance:none;appearance:none}.set-inputs select:focus{border-color:#fff;outline:none}@keyframes expandSeries{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.exercise-item.expanded .series-row{animation:expandSeries .25s ease-out}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.input-error{animation:shake .3s ease-in-out;border-bottom-color:#f44!important}@media (max-width: 480px){.app-container{width:100%;padding:20px 16px 40px}}