:root,:root[data-theme=dark]{--bg:#15161a;--fg:#ececef;--muted:#8a8e98;--line:#2c2f36;--accent:#ff7e5f;--picker-bg:#1f2128;--picker-hover:#262932;--ring-track:#2c2f36;--ring-focus:#ff7e5f;--ring-break:#52ad6e}:root[data-theme=light]{--bg:#fafaf7;--fg:#1a1a1a;--muted:#6b6b6b;--line:#e0e0dc;--accent:#e0654b;--picker-bg:#fff;--picker-hover:#f3f3ee;--ring-track:#e0e0dc;--ring-focus:#e0654b;--ring-break:#52ad6e}*{box-sizing:border-box}html,body,#root{background:var(--bg);color:var(--fg);font-size:16px;line-height:1.5}.app{flex-direction:column;gap:2.5rem;max-width:640px;min-height:100%;margin:0 auto;padding:4vh 24px 2vh;display:flex}.app-header{text-align:center}.app-header h1{letter-spacing:-.01em;margin:0;font-size:1.6rem;font-weight:500}.app-header .tagline{color:var(--muted);margin:.4em 0 0;font-size:.95rem}.timer-wrap{flex-direction:column;align-items:center;gap:1.4rem;display:flex}.ring-wrap{aspect-ratio:1;width:100%;max-width:320px;position:relative}.ring-svg{width:100%;height:100%;display:block}.ring-inner{pointer-events:none;position:absolute;inset:0}.time{font-variant-numeric:tabular-nums;letter-spacing:-.02em;font-family:JetBrains Mono,Menlo,SF Mono,monospace;font-size:3.4rem;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.phase-label{text-align:center;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-size:.78rem;position:absolute;top:calc(50% - 2.6rem);left:0;right:0}.controls{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.controls button{cursor:pointer;border-radius:999px;padding:9px 22px;font-family:inherit;font-size:.95rem;transition:all .12s}.controls .primary{background:var(--accent);border:1px solid var(--accent);color:#fff}.controls .primary:hover{filter:brightness(1.07)}.controls .secondary{background:var(--picker-bg);border:1px solid var(--line);color:var(--muted)}.controls .secondary:hover{color:var(--fg);border-color:var(--muted)}.settings{flex-direction:column;align-items:center;gap:1rem;width:100%;display:flex}.setting-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:14px;display:flex}.setting-label{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;text-align:right;min-width:3em;font-size:.85rem}.presets{background:var(--picker-bg);border:1px solid var(--line);border-radius:999px;align-items:center;gap:6px;padding:3px;display:inline-flex}.preset{color:var(--muted);cursor:pointer;font-variant-numeric:tabular-nums;background:0 0;border:none;border-radius:999px;padding:4px 12px;font-family:inherit;font-size:.85rem;transition:all .16s}.preset.active{background:var(--bg);color:var(--fg);box-shadow:0 1px 3px #00000014}.preset:not(.active):hover{color:var(--fg)}.preset:disabled{opacity:.45;cursor:not-allowed}.unit{color:var(--muted);padding:0 8px;font-size:.78rem}.sound-presets{flex-wrap:wrap;justify-content:center}.sound-presets .preset{padding:4px 11px;font-size:.82rem}@media (width<=540px){.sound-presets .preset{padding:4px 8px;font-size:.78rem}}.seo{border-top:1px solid var(--line);max-width:540px;color:var(--muted);margin:1rem auto 0;padding-top:2rem;font-size:.92rem;line-height:1.65}.seo h2{color:var(--fg);margin:0 0 .6em;font-size:1rem;font-weight:500}.seo h3{color:var(--fg);margin:1.4em 0 .4em;font-size:.92rem;font-weight:500}.seo p{margin:.8em 0}.seo em{color:var(--fg);font-style:italic}.app-footer{text-align:center;color:var(--muted);margin-top:auto;padding-bottom:.5em;font-family:JetBrains Mono,Menlo,monospace;font-size:.78rem}.made-by{letter-spacing:0;font-family:-apple-system,Helvetica Neue,sans-serif}.made-by a{color:var(--muted);text-decoration:underline;-webkit-text-decoration-color:var(--line);text-decoration-color:var(--line);text-underline-offset:2px;transition:color .12s}.made-by a:hover{color:var(--accent);-webkit-text-decoration-color:var(--accent);text-decoration-color:var(--accent)}.theme-toggle{background:var(--picker-bg);border:1px solid var(--line);color:var(--muted);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:38px;height:38px;padding:0;transition:color .2s,border-color .2s,background .2s;display:flex;position:fixed;bottom:16px;right:16px}.theme-toggle:hover{color:var(--accent);border-color:var(--accent)}.theme-toggle:focus{border-color:var(--accent);outline:none}@media (width<=540px){.app{gap:1.5rem;padding:3vh 12px 1vh}.app-header h1{font-size:1.3rem}.ring-wrap{max-width:240px}.time{font-size:2.6rem}.setting-row{flex-direction:column;gap:8px}.setting-label{text-align:center;min-width:0;font-size:.72rem}}html,body,#root{height:100%;margin:0;padding:0}body{-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Helvetica Neue,Helvetica,Arial,sans-serif}