:root{
  --bg:#0f1013; --panel:#17191e; --panel2:#1f2229; --ink:#efece4; --muted:#9a9ca4; --line:#2a2d35;
  --btn:#2563eb; --btn-ink:#ffffff; --link:#4d8dff; --focus:#ffd84a; --ok:#5fd39c; --lock:#55585f; --err:#ff8a8a;
  --display:"Nunito",system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:"Atkinson Hyperlegible",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mark-bg:rgba(77,141,255,.24); --mark-ink:#eaf1ff;
  color-scheme:dark;
}
/* Light theme (switch in the top corner) */
:root[data-theme="light"]{
  --bg:#f5f6f8; --panel:#ffffff; --panel2:#eceff4; --ink:#0b0c0f; --muted:#3d424b; --line:#cfd4dc;
  --btn:#2563eb; --btn-ink:#ffffff; --link:#1e40af; --focus:#b45309; --ok:#15803d; --lock:#9aa0aa; --err:#b91c1c;
  --mark-bg:rgba(37,99,235,.16); --mark-ink:#0f1d3d;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{min-height:100%}
html{font-size:calc(16px * var(--fs, 1))}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:calc(17px * var(--fs, 1));line-height:1.65;
  padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px));
  padding-top:max(16px, env(safe-area-inset-top, 0px));padding-bottom:max(32px, env(safe-area-inset-bottom, 0px));
  overflow-x:hidden}
.app{max-width:440px;margin:0 auto;min-height:100%}
.screen{display:flex;flex-direction:column;gap:18px}
h1,h2{font-family:var(--display);font-weight:800;line-height:1.2;color:var(--link);margin:0;text-wrap:balance}
h1{font-size:1.6rem} h2{font-size:1.15rem}
p{margin:0}
.muted{color:var(--muted)}
.small{font-size:.85rem}
.label-mono{font-family:var(--display);font-weight:700;font-size:.85rem;color:var(--muted)}
.big{font-family:var(--display);font-weight:800;font-size:3.2rem;line-height:1;color:var(--link);font-variant-numeric:tabular-nums}
.btn{font:inherit;font-weight:700;border:0;border-radius:12px;padding:15px 18px;min-height:52px;background:var(--btn);color:var(--btn-ink);cursor:pointer;width:100%;text-align:center}
.btn.ghost{background:var(--panel2);color:var(--ink);border:1px solid var(--line)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn:focus-visible,.day:focus-visible,.tab:focus-visible,.toggle:focus-visible,.back:focus-visible,.input:focus-visible,.linkbtn:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.linkbtn{font:inherit;background:none;border:0;color:var(--muted);text-decoration:underline;cursor:pointer;padding:12px 4px;min-height:44px}
.input{font:inherit;font-size:1.1rem;background:var(--panel2);border:1px solid var(--line);color:var(--ink);border-radius:10px;padding:14px;min-height:52px;width:100%}
.input.code{text-align:center;letter-spacing:.4em;font-size:1.6rem;font-family:var(--display);font-weight:800}
label.lab{font-size:.9rem;color:var(--muted)}
.field{display:flex;flex-direction:column;gap:8px}
.error{color:var(--err);font-size:.95rem}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.stat b{display:block;font-family:var(--display);font-weight:800;font-size:1.3rem;font-variant-numeric:tabular-nums}
.stat span{font-size:.8rem;color:var(--muted)}
.why{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:flex;justify-content:space-between;gap:10px;align-items:center;font-size:.92rem}
.why b{color:var(--link)}
.opts{display:grid;gap:10px}
.opt{font:inherit;text-align:left;background:var(--panel);border:1px solid var(--line);color:var(--ink);border-radius:12px;padding:14px 16px;min-height:52px;cursor:pointer}
.opt[aria-pressed="true"]{border-color:var(--btn);background:var(--panel2)}
.opt:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.days{display:grid;gap:8px}
.day{font:inherit;display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;min-height:60px;color:var(--ink);cursor:pointer;width:100%}
.day .n{font-family:var(--display);font-weight:800;font-size:1.15rem;color:var(--link);text-align:center}
.day .t{min-width:0;overflow-wrap:break-word;-webkit-hyphens:auto;hyphens:auto}
.day .s{font-family:var(--display);font-size:.78rem;color:var(--muted);text-align:right}
.day.done .s{color:var(--ok)}
.day.locked{cursor:default;opacity:.6}
.day.locked .n{color:var(--lock)}
.day.today{border-color:var(--link)}
.count{font-family:var(--display);font-size:.9rem;color:var(--muted);text-align:center}
.count b{color:var(--ink);font-variant-numeric:tabular-nums}
.bar{display:flex;gap:8px;align-items:center;justify-content:space-between}
.back{font:inherit;background:none;border:0;color:var(--muted);cursor:pointer;padding:10px 0;min-height:44px}
.toggle{font:inherit;font-family:var(--display);font-weight:700;font-size:.9rem;border:1px solid var(--link);color:var(--link);background:transparent;border-radius:999px;padding:8px 16px;min-height:44px;cursor:pointer}
.toggle[aria-pressed="true"]{background:var(--btn);color:var(--btn-ink)}
.reader{display:flex;flex-direction:column;gap:14px;font-size:1.02rem;overflow-wrap:break-word}
.reader img,.reader video{max-width:100%;height:auto}
.reader mark{background:var(--mark-bg);color:var(--mark-ink);padding:.05em .2em;border-radius:3px;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.reader blockquote{margin:0;border-left:3px solid var(--link);padding-left:12px}
.reader h2,.reader h3{margin-top:6px}
.reader ul,.reader ol{margin:0;padding-left:1.2em;display:flex;flex-direction:column;gap:6px}
.table{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}
.table table{border-collapse:collapse;min-width:100%}
.table table{font-size:1.04em;line-height:1.5}
.table th,.table td{border:1px solid var(--line);padding:11px 12px;text-align:left;vertical-align:top}
.table table{width:100%;table-layout:auto}
.table th,.table td{overflow-wrap:normal;word-break:normal;hyphens:none;white-space:normal}
.table th{font-family:var(--display);font-weight:800}
.table td:first-child{font-weight:700}
.table th{background:var(--panel2);color:var(--link)}
.mission{background:var(--panel);border:1px solid var(--link);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:12px}
.mission-label{font-family:var(--display);font-weight:800;font-size:.85rem;color:var(--link);text-transform:uppercase;letter-spacing:.06em}
.tip{background:var(--panel);border:1px dashed var(--line);border-radius:12px;padding:12px 14px;font-size:.9rem;display:flex;flex-direction:column;gap:8px}
.center{min-height:70vh;justify-content:center;text-align:center;align-items:center}
.footer{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
@media (prefers-reduced-motion: no-preference){.screen{animation:in .25s ease-out}@keyframes in{from{opacity:.4;transform:translateY(6px)}to{opacity:1;transform:none}}}

/* theme switch */
.theme-toggle{position:relative;flex:none;width:62px;height:32px;border-radius:99px;border:1px solid var(--line);background:var(--panel2);padding:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;padding-inline:7px;color:var(--muted)}
.theme-toggle svg{width:16px;height:16px;position:relative;z-index:1}
.theme-toggle::after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:var(--btn);transition:transform .2s}
:root[data-theme="light"] .theme-toggle::after{transform:translateX(30px)}
.theme-toggle .moon{color:#fff} :root[data-theme="light"] .theme-toggle .moon{color:var(--muted)}
:root[data-theme="light"] .theme-toggle .sun{color:#fff}
.theme-toggle:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
@media (prefers-reduced-motion:reduce){.theme-toggle::after{transition:none}}

/* audiobook player */
.player{display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:10px 12px}
.player[hidden]{display:none}
.player .play{flex:none;width:46px;height:46px;border-radius:50%;border:0;background:var(--btn);color:var(--btn-ink);display:grid;place-content:center;cursor:pointer}
.player .play svg{width:22px;height:22px}
.player .i-pause{display:none} .player.playing .i-pause{display:block} .player.playing .i-play{display:none}
.ap-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.ap-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.ap-main input[type=range]{width:100%;accent-color:var(--btn);margin:0}
.ap-time{font-size:.8rem;color:var(--muted);font-variant-numeric:tabular-nums}
.player .speed{flex:none;min-width:48px;height:34px;border-radius:99px;border:1px solid var(--line);background:var(--panel2);color:var(--ink);font:inherit;font-size:.85rem;cursor:pointer}
.player button:focus-visible{outline:2px solid var(--focus);outline-offset:2px}

/* light mode: a bit larger and higher-contrast for easier reading */
:root[data-theme="light"] body{font-size:calc(18.5px * var(--fs, 1));line-height:1.7}
:root[data-theme="light"] .reader{font-weight:400;letter-spacing:.005em}

/* text size control (top-left) */
.font-size{flex:none;display:flex;height:32px;border:1px solid var(--line);border-radius:99px;background:var(--panel2);overflow:hidden}
.font-size button{border:0;background:none;color:var(--ink);font-family:var(--display);font-weight:800;padding:0 11px;cursor:pointer;line-height:1}
.font-size button:first-child{font-size:13px;border-right:1px solid var(--line)}
.font-size button:last-child{font-size:18px}
.font-size button:disabled{color:var(--lock);cursor:default}
.font-size button:focus-visible{outline:2px solid var(--focus);outline-offset:-2px}

/* top toolbar: in the page flow, with breathing room before the content */
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-block:4px 0;margin-bottom:28px}
.screen{gap:22px}

/* justified reading text, with Portuguese hyphenation so lines don't open big gaps */
.reader p,.reader li{text-align:justify;text-justify:inter-word;-webkit-hyphens:auto;hyphens:auto;hyphenate-limit-chars:7 3 3}
.reader h2,.reader h3,.reader th,.reader td{text-align:left;-webkit-hyphens:manual;hyphens:manual}

/* big text: no justification (avoids wide gaps) and day status moves under the title */
:root[data-fsbig] .reader p,:root[data-fsbig] .reader li{text-align:left}
:root[data-fsbig] .day{grid-template-columns:40px 1fr;row-gap:2px}
:root[data-fsbig] .day > :last-child{grid-column:2;justify-self:start;font-size:.85em}
@media (max-width:370px){.reader p,.reader li{text-align:left}}

/* brand */
:root{--mark-gray:#c3c8d1}
:root[data-theme="light"]{--mark-gray:#a9b0bc}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:900;font-size:1.15rem;color:var(--ink)}
.brand b{color:#2563eb;font-weight:900}
.brand-mark{width:40px;height:40px;flex:none}