:root{--bg: #0a0a0f;--surface: #111118;--surface-2: #16161f;--border: rgba(255, 255, 255, .06);--border-hover: rgba(255, 255, 255, .12);--accent: #5b8df6;--accent-glow: rgba(91, 141, 246, .25);--accent-2: #a78bfa;--green: #34d399;--green-glow: rgba(52, 211, 153, .2);--muted: #4a4a5a;--text: #e8e8f0;--text-dim: #7a7a9a;--radius: 16px}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:Syne,sans-serif;min-height:100vh;overflow-x:hidden}body:before{content:"";position:fixed;top:-20%;left:50%;transform:translate(-50%);width:800px;height:500px;background:radial-gradient(ellipse,rgba(91,141,246,.06) 0%,transparent 70%);pointer-events:none;z-index:0}.hamburger{position:fixed;top:20px;left:20px;width:44px;height:44px;background:var(--surface-2);border:1px solid var(--border);border-radius:12px;cursor:pointer;z-index:2000;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;transition:border-color .2s,background .2s}.hamburger:hover{background:#1e1e2e;border-color:var(--border-hover)}.hamburger span{display:block;width:18px;height:2px;background:var(--text-dim);border-radius:2px;transition:all .3s}.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}aside{position:fixed;top:0;left:0;width:260px;height:100vh;background:var(--surface);border-right:1px solid var(--border);padding:80px 0 24px;transform:translate(-100%);transition:transform .35s cubic-bezier(.4,0,.2,1);z-index:1500;display:flex;flex-direction:column}aside.open{transform:translate(0)}.sidebar-logo{padding:0 24px 32px;border-bottom:1px solid var(--border);margin-bottom:16px}.sidebar-logo span{font-size:13px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--accent)}aside nav{flex:1}aside ul{list-style:none;padding:0 12px}aside ul li{border-radius:10px;margin-bottom:2px;overflow:hidden}aside ul li a,aside ul li .nav-item{display:block;padding:11px 16px;font-size:14px;font-weight:600;color:var(--text-dim);text-decoration:none;border-radius:10px;transition:all .15s;cursor:pointer}aside ul li a:hover,aside ul li .nav-item:hover{color:var(--text);background:var(--surface-2)}aside ul li.actual .nav-item{color:var(--accent);background:#5b8df61a}#logoutBtn{margin:0 12px;padding:11px 16px;font-size:14px;font-weight:600;color:var(--text-dim);cursor:pointer;border-radius:10px;transition:all .15s}#logoutBtn:hover{color:#f87171;background:#f8717114}#loginBtn a{margin-left:1rem;color:var(--accent);background:#5b8df61a;border:1px solid rgba(91,141,246,.25);text-decoration:none}#loginBtn a:hover{background:#5b8df62e;color:#fff;border-color:#5b8df673}main{position:relative;z-index:1;max-width:580px;margin:0 auto;padding:60px 24px 40px;min-height:100vh;display:flex;flex-direction:column;align-items:center}.app-header{width:100%;display:flex;align-items:center;justify-content:center;margin-bottom:48px;padding-top:12px}.app-header h1{font-size:15px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--text-dim)}.mode-tabs{display:flex;gap:4px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:4px;margin-bottom:48px}.mode-tab{padding:8px 20px;border-radius:9px;border:none;background:transparent;color:var(--text-dim);font-family:Syne,sans-serif;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s}.mode-tab.active{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.mode-tab:hover:not(.active){color:var(--text)}.circle-timer{position:relative;width:280px;height:280px;margin-bottom:36px}.circle-timer svg{transform:rotate(-90deg);filter:drop-shadow(0 0 20px var(--green-glow))}.circle-timer circle{fill:none;stroke-width:3}.circle-timer .bg{stroke:var(--surface-2)}.circle-timer .progress{stroke:var(--green);stroke-linecap:round;stroke-dasharray:816;stroke-dashoffset:0;transition:stroke-dashoffset .8s linear,stroke .4s}.timer-inner{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px}.timer-label{font-size:11px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--text-dim)}#timer{font-family:DM Mono,monospace;font-size:56px;font-weight:500;color:var(--text);letter-spacing:-2px;line-height:1}#status{font-size:12px;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--green)}.controls-row{display:flex;align-items:center;gap:12px;margin-bottom:24px}.btn-primary{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 36px;background:var(--accent);color:#fff;border:none;border-radius:12px;font-family:Syne,sans-serif;font-size:14px;font-weight:700;letter-spacing:.05em;cursor:pointer;transition:all .2s;box-shadow:0 4px 20px var(--accent-glow)}.btn-primary:hover{background:#6b9df8;box-shadow:0 4px 28px #5b8df666;transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-icon{width:48px;height:48px;border-radius:12px;border:1px solid var(--border);background:var(--surface);color:var(--text-dim);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.btn-icon:hover{background:var(--surface-2);color:var(--text);border-color:var(--border-hover)}.stats-row{display:flex;gap:12px;width:100%;margin-bottom:24px}.stat-card{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;display:flex;flex-direction:column;gap:4px}.stat-label{font-size:11px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--text-dim)}.stat-value{font-family:DM Mono,monospace;font-size:22px;font-weight:500;color:var(--text)}.stat-sub{font-size:12px;color:var(--text-dim)}.extra-controls{margin-top:10px}#resetAllBtn{padding:8px 16px;background:var(--surface);border:1px solid var(--border);border-radius:10px;color:var(--text-dim);cursor:pointer;font-size:13px;transition:all .2s}#resetAllBtn:hover{background:var(--surface-2);color:var(--text)}.save-row{width:100%;display:flex;align-items:center;justify-content:space-between;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;margin-bottom:24px}.save-row p{font-size:14px;color:var(--text-dim)}.save-row p strong{color:var(--text);font-weight:700}#guardarBtn{padding:9px 20px;background:linear-gradient(135deg,var(--accent),var(--accent-2));border:none;border-radius:10px;color:#fff;font-family:Syne,sans-serif;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;transition:all .2s;white-space:nowrap;box-shadow:0 2px 12px var(--accent-glow)}#guardarBtn:hover{transform:translateY(-1px);box-shadow:0 4px 18px #5b8df666}#guardarBtn:active{transform:translateY(0)}.spotify-wrap{width:100%;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}.info-section{position:relative;z-index:1;max-width:720px;margin:0 auto 80px;padding:0 24px;display:grid;grid-template-columns:1fr 1fr;gap:16px}.info-block{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:border-color .2s}.info-block:hover{border-color:var(--border-hover)}.info-block:first-child{grid-column:1 / -1}.info-block h2{font-size:16px;font-weight:700;letter-spacing:.05em;color:var(--text);margin-bottom:12px;display:flex;align-items:center;gap:10px}.info-block h2:before{content:"";display:block;width:4px;height:16px;background:var(--accent);border-radius:2px;flex-shrink:0}.info-block p{font-size:14px;line-height:1.7;color:var(--text-dim);font-family:DM Mono,monospace}.info-block ul{list-style:none}.info-block li{font-size:13px;color:var(--text-dim);padding:8px 0;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}.info-block li:last-child{border-bottom:none}.info-block li:before{content:"";width:6px;height:6px;background:var(--green);border-radius:50%;flex-shrink:0}.app-footer{position:relative;z-index:1;border-top:1px solid var(--border);padding:20px 24px;text-align:center}.footer-content{font-size:12px;color:var(--muted);letter-spacing:.05em}.footer-sep{margin:0 8px;opacity:.4}.toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%) translateY(20px);background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:12px 24px;font-size:13px;color:var(--text);opacity:0;transition:all .3s;z-index:3000;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}@media (max-width: 600px){.info-section{grid-template-columns:1fr}.info-block:first-child{grid-column:1}#timer{font-size:44px}.circle-timer{width:230px;height:230px}.mode-tab{padding:8px 12px;font-size:12px}}