:root{
  --bg:#141026; --bg2:#1c1636; --card:rgba(255,255,255,.06); --card2:rgba(255,255,255,.1);
  --text:#f2eefe; --muted:#a99fc9; --faint:#6d6490;
  --focus:#a78bfa; --focus2:#7c5cf0; --short:#5eead4; --long:#60a5fa;
  --border:rgba(255,255,255,.12); --r:20px; --r-sm:14px;
}
*{box-sizing:border-box;margin:0;padding:0;font-family:'Outfit',system-ui,sans-serif;-webkit-tap-highlight-color:transparent}
body{background:var(--bg);color:var(--text);min-height:100vh;display:flex;justify-content:center;padding:16px;padding-bottom:40px;overflow-x:hidden;position:relative}
.glow{position:fixed;border-radius:50%;filter:blur(90px);opacity:.5;z-index:0;pointer-events:none}
.g1{width:340px;height:340px;background:#6d28d9;top:-80px;left:-90px}
.g2{width:300px;height:300px;background:#2563eb;bottom:-60px;right:-80px}
.app{width:100%;max-width:460px;display:flex;flex-direction:column;gap:18px;position:relative;z-index:1}

.topbar{display:flex;justify-content:space-between;align-items:flex-start;padding-top:calc(env(safe-area-inset-top) + 4px)}
.brand h1{font-size:23px;font-weight:800;letter-spacing:-.02em}
.brand p{font-size:12.5px;color:var(--muted);margin-top:2px}
.icon-btn{width:42px;height:42px;border-radius:13px;border:1px solid var(--border);background:var(--card);color:var(--text);display:grid;place-items:center;cursor:pointer;transition:.2s;backdrop-filter:blur(10px)}
.icon-btn:hover{background:var(--card2)}
.icon-btn svg{width:20px;height:20px}

.modes{display:flex;gap:8px;background:var(--card);border:1px solid var(--border);border-radius:999px;padding:5px;backdrop-filter:blur(10px)}
.mode{flex:1;border:none;background:transparent;color:var(--muted);border-radius:999px;padding:9px;font-size:13px;font-weight:600;cursor:pointer;transition:.2s;font-family:inherit}
.mode.active{background:var(--card2);color:var(--text)}

.timer-wrap{position:relative;width:260px;height:260px;margin:6px auto 0}
.ring{width:260px;height:260px;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:10;stroke-linecap:round}
.ring-bg{stroke:rgba(255,255,255,.08)}
.ring-fg{stroke:var(--focus);transition:stroke-dashoffset 1s linear,stroke .4s;filter:drop-shadow(0 0 8px rgba(167,139,250,.5))}
.timer-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px}
.time{font-family:'JetBrains Mono',monospace;font-size:58px;font-weight:700;letter-spacing:-.02em;line-height:1}
.phase{font-size:13.5px;color:var(--muted);font-weight:500}
.session-dots{display:flex;gap:6px;margin-top:4px}
.session-dots i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.18)}
.session-dots i.done{background:var(--focus)}

.task{background:var(--card);border:1px solid var(--border);border-radius:var(--r-sm);padding:13px 16px;color:var(--text);font-size:15px;font-family:inherit;outline:none;text-align:center;backdrop-filter:blur(10px);transition:.2s}
.task:focus{border-color:var(--focus)}
.task::placeholder{color:var(--faint)}

.controls{display:flex;align-items:center;justify-content:center;gap:16px}
.ctrl{border:none;cursor:pointer;font-family:inherit;transition:.2s;display:grid;place-items:center}
.ctrl.secondary{width:52px;height:52px;border-radius:16px;background:var(--card);border:1px solid var(--border);color:var(--muted);backdrop-filter:blur(10px)}
.ctrl.secondary:hover{background:var(--card2);color:var(--text)}
.ctrl.secondary svg{width:20px;height:20px}
.ctrl.primary{height:56px;padding:0 44px;border-radius:18px;background:linear-gradient(135deg,var(--focus),var(--focus2));color:#fff;font-size:17px;font-weight:700;box-shadow:0 10px 26px rgba(124,92,240,.4)}
.ctrl.primary:hover{transform:translateY(-1px);filter:brightness(1.06)}
.ctrl.primary.running{background:var(--card2);color:var(--text);box-shadow:none;border:1px solid var(--border)}

.sounds{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:16px;backdrop-filter:blur(10px)}
.sounds-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px}
.sounds-head>span{font-size:13px;font-weight:700;color:var(--muted)}
.vol{display:flex;align-items:center;gap:8px;color:var(--muted)}
.vol svg{width:16px;height:16px}
.sound-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:9px}
.sound{aspect-ratio:1;border-radius:13px;border:1px solid var(--border);background:rgba(255,255,255,.04);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;transition:.2s;color:var(--muted)}
.sound svg{width:22px;height:22px}
.sound span{font-size:9.5px;font-weight:600}
.sound:hover{background:var(--card2)}
.sound.on{background:linear-gradient(135deg,rgba(167,139,250,.3),rgba(124,92,240,.2));border-color:var(--focus);color:var(--text)}
input[type=range]{-webkit-appearance:none;appearance:none;width:100px;height:5px;border-radius:999px;background:var(--card2);outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:var(--focus);cursor:pointer}
input[type=range]::-moz-range-thumb{width:16px;height:16px;border:none;border-radius:50%;background:var(--focus);cursor:pointer}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:11px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:var(--r-sm);padding:14px 8px;text-align:center;backdrop-filter:blur(10px)}
.stat strong{font-size:22px;font-weight:800;display:block}
.stat span{font-size:11px;color:var(--muted)}

.backdrop{position:fixed;inset:0;background:rgba(10,7,22,.6);opacity:0;pointer-events:none;transition:.3s;z-index:40}
.backdrop.on{opacity:1;pointer-events:auto}
.sheet{position:fixed;left:50%;bottom:0;transform:translate(-50%,102%);width:100%;max-width:460px;background:var(--bg2);border-radius:24px 24px 0 0;border:1px solid var(--border);border-bottom:none;padding:22px 20px calc(26px + env(safe-area-inset-bottom));z-index:50;transition:transform .35s cubic-bezier(.4,0,.2,1);max-height:86vh;overflow-y:auto}
.sheet.on{transform:translate(-50%,0)}
.sheet-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.sheet-head h2{font-size:19px;font-weight:800}
.icon-btn.close{width:34px;height:34px;font-size:15px}
.field{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--border)}
.field span{font-size:14px;font-weight:500}
.field input[type=number]{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:9px 12px;color:var(--text);font-size:15px;font-family:inherit;width:80px;text-align:center}
.field.check input[type=checkbox]{width:46px;height:26px;appearance:none;background:var(--card);border:1px solid var(--border);border-radius:999px;position:relative;cursor:pointer;transition:.2s}
.field.check input[type=checkbox]:checked{background:var(--focus)}
.field.check input[type=checkbox]::after{content:'';position:absolute;width:20px;height:20px;border-radius:50%;background:#fff;top:2px;left:2px;transition:.2s}
.field.check input[type=checkbox]:checked::after{left:22px}
.save-btn{width:100%;border:none;border-radius:14px;padding:15px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--focus),var(--focus2));cursor:pointer;font-size:15px;font-family:inherit;margin-top:16px}
.footnote{font-size:12px;color:var(--faint);text-align:center;margin-top:12px;line-height:1.5}

.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,120px);background:var(--text);color:var(--bg);padding:12px 18px;border-radius:12px;font-size:13.5px;font-weight:600;z-index:60;transition:transform .3s cubic-bezier(.4,0,.2,1);max-width:90vw;text-align:center}
.toast.on{transform:translate(-50%,0)}

/* acentos por modo */
body.mode-short{--focus:var(--short)} body.mode-short .ring-fg{stroke:var(--short);filter:drop-shadow(0 0 8px rgba(94,234,212,.5))}
body.mode-long{--focus:var(--long)} body.mode-long .ring-fg{stroke:var(--long);filter:drop-shadow(0 0 8px rgba(96,165,250,.5))}