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from pathlib import Path
html = r"""<!DOCTYPE html>
<html lang="es">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<title>Restos en la recta - celular</title>
<style>
:root {
--dark: #020617;
--dark2: #0f172a;
--card: #ffffff;
--soft: #f8fafc;
--line: #dbe4f0;
--text: #0f172a;
--muted: #64748b;
--blue: #2563eb;
--blue-soft: #dbeafe;
--green: #16a34a;
--green-soft: #dcfce7;
--red: #ef4444;
--red-soft: #fee2e2;
--shadow: 0 18px 45px rgba(15, 23, 42, 0.18);
}
* {
box-sizing: border-box;
-webkit-tap-highlight-color: transparent;
}
html,
body {
margin: 0;
width: 100%;
max-width: 100%;
overflow-x: hidden;
}
body {
min-height: 100vh;
padding: 10px;
font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
color: var(--text);
background:
radial-gradient(circle at 10% 5%, rgba(37, 99, 235, 0.18), transparent 28%),
radial-gradient(circle at 90% 0%, rgba(22, 163, 74, 0.13), transparent 26%),
linear-gradient(180deg, #edf4ff 0%, #f8fafc 55%, #e2e8f0 100%);
}
.app {
width: 100%;
max-width: 520px;
margin: 0 auto;
background: var(--soft);
border-radius: 28px;
overflow: hidden;
box-shadow: var(--shadow);
border: 1px solid rgba(148, 163, 184, 0.35);
}
.hero {
padding: 22px 18px 18px;
color: #ffffff;
background:
radial-gradient(circle at 18% 18%, rgba(56, 189, 248, 0.27), transparent 30%),
radial-gradient(circle at 86% 6%, rgba(99, 102, 241, 0.27), transparent 30%),
linear-gradient(135deg, #020617 0%, #0f172a 60%, #111827 100%);
}
.badge {
display: inline-flex;
align-items: center;
gap: 7px;
padding: 7px 11px;
border-radius: 999px;
color: #bfdbfe;
background: rgba(255, 255, 255, 0.08);
border: 1px solid rgba(255, 255, 255, 0.15);
font-size: 11px;
font-weight: 900;
letter-spacing: 0.4px;
text-transform: uppercase;
}
.badge span {
width: 8px;
height: 8px;
border-radius: 99px;
background: #38bdf8;
box-shadow: 0 0 16px rgba(56, 189, 248, 0.9);
}
h1 {
margin: 14px 0 8px;
font-size: 27px;
line-height: 1.05;
letter-spacing: -0.75px;
}
.hero p {
margin: 0;
color: #cbd5e1;
font-size: 13.5px;
line-height: 1.45;
}
.content {
width: 100%;
max-width: 100%;
padding: 12px;
display: grid;
gap: 12px;
overflow-x: hidden;
}
.card {
width: 100%;
max-width: 100%;
min-width: 0;
background: var(--card);
border: 1px solid var(--line);
border-radius: 22px;
box-shadow: 0 10px 26px rgba(15, 23, 42, 0.07);
overflow: hidden;
}
.controls {
padding: 12px;
}
.input-grid {
display: grid;
grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
gap: 10px;
}
label {
display: block;
margin-bottom: 5px;
color: #475569;
font-size: 11px;
font-weight: 900;
letter-spacing: 0.45px;
text-transform: uppercase;
}
input {
width: 100%;
min-width: 0;
border: 1px solid #cbd5e1;
background: #f8fafc;
color: var(--text);
border-radius: 16px;
padding: 13px 9px;
outline: none;
font-size: 22px;
font-weight: 900;
text-align: center;
}
input:focus {
background: white;
border-color: var(--blue);
box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.14);
}
.buttons {
display: grid;
grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
gap: 9px;
margin-top: 11px;
}
.btn {
border: none;
border-radius: 16px;
padding: 13px 9px;
color: white;
font-size: 14px;
font-weight: 900;
cursor: pointer;
touch-action: manipulation;
user-select: none;
}
.btn:active {
transform: scale(0.985);
}
.blue {
background: linear-gradient(135deg, #2563eb, #4f46e5);
box-shadow: 0 8px 18px rgba(37, 99, 235, 0.22);
}
.green {
background: linear-gradient(135deg, #16a34a, #0f766e);
box-shadow: 0 8px 18px rgba(22, 163, 74, 0.18);
}
.dark {
background: linear-gradient(135deg, #334155, #0f172a);
}
.red {
background: linear-gradient(135deg, #dc2626, #991b1b);
}
.stats {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 8px;
margin-top: 11px;
}
.stat {
min-width: 0;
border-radius: 17px;
background: #f8fafc;
border: 1px solid #e2e8f0;
padding: 10px 6px;
text-align: center;
}
.stat .label {
margin-bottom: 4px;
color: var(--muted);
font-size: 9.5px;
font-weight: 900;
text-transform: uppercase;
letter-spacing: 0.35px;
}
.stat .value {
overflow: hidden;
text-overflow: ellipsis;
font-size: 21px;
font-weight: 950;
letter-spacing: -0.4px;
}
.stat.blueText .value { color: var(--blue); }
.stat.greenText .value { color: var(--green); }
.stat.redText .value { color: #dc2626; }
.visual-card {
padding: 10px;
overflow: hidden;
}
.toolbar {
display: flex;
align-items: center;
justify-content: space-between;
gap: 8px;
margin-bottom: 10px;
min-width: 0;
}
.toolbar .btn {
flex: 0 0 auto;
min-width: 46px;
padding: 11px 12px;
border-radius: 15px;
}
.status {
min-width: 0;
flex: 1;
text-align: center;
padding: 10px 8px;
border-radius: 999px;
background: #eff6ff;
border: 1px solid #bfdbfe;
color: #1d4ed8;
font-size: 12px;
font-weight: 900;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.line-window {
position: relative;
width: 100%;
max-width: 100%;
height: 500px;
overflow-x: auto;
overflow-y: hidden;
overscroll-behavior-x: contain;
border-radius: 21px;
border: 1px solid #cbd5e1;
background:
radial-gradient(circle at 16% 10%, rgba(219, 234, 254, 0.9), transparent 31%),
radial-gradient(circle at 85% 5%, rgba(220, 252, 231, 0.72), transparent 28%),
linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
touch-action: pan-x;
}
.line-inner {
position: relative;
height: 100%;
min-width: 100%;
}
.axis {
position: absolute;
left: 30px;
right: 30px;
top: 245px;
height: 4px;
border-radius: 99px;
background: #94a3b8;
}
.axis::after {
content: "";
position: absolute;
right: -12px;
top: 50%;
width: 0;
height: 0;
transform: translateY(-50%);
border-left: 15px solid #94a3b8;
border-top: 9px solid transparent;
border-bottom: 9px solid transparent;
}
.top-panel {
position: sticky;
left: 14px;
top: 16px;
z-index: 10;
width: calc(100vw - 64px);
max-width: 360px;
border-radius: 18px;
padding: 12px 14px;
background: rgba(255,255,255,0.9);
border: 1px solid #dbeafe;
backdrop-filter: blur(10px);
}
.top-panel .small {
color: #475569;
font-size: 12px;
font-weight: 900;
}
.top-panel .big {
color: #0f172a;
margin-top: 2px;
font-size: 18px;
font-weight: 950;
}
.progress-base,
.progress-fill {
position: absolute;
top: 185px;
height: 10px;
border-radius: 999px;
}
.progress-base {
background: #dbeafe;
}
.progress-fill {
background: #22c55e;
}
.jump {
position: absolute;
top: 210px;
height: 42px;
border-top: 3px solid #16a34a;
border-radius: 50% 50% 0 0;
}
.tick {
position: absolute;
top: 229px;
width: 2px;
height: 34px;
background: #64748b;
border-radius: 99px;
}
.tick.multiple {
width: 4px;
height: 46px;
top: 223px;
background: #22c55e;
}
.tick.initial {
width: 5px;
height: 54px;
top: 219px;
background: #2563eb;
}
.tick.current {
width: 5px;
height: 62px;
top: 215px;
background: #ef4444;
}
.num-label {
position: absolute;
top: 285px;
transform: translateX(-50%);
color: #0f172a;
font-size: 13px;
font-weight: 850;
}
.rest-chip {
position: absolute;
top: 340px;
transform: translateX(-50%);
width: 38px;
height: 30px;
border-radius: 11px;
display: grid;
place-items: center;
color: #475569;
background: #ffffff;
border: 1px solid #cbd5e1;
font-size: 12px;
font-weight: 950;
}
.rest-chip.multiple {
color: #166534;
background: #dcfce7;
border-color: #86efac;
}
.rest-chip.initial {
color: #1d4ed8;
background: #dbeafe;
border-color: #60a5fa;
}
.rest-chip.current {
color: #991b1b;
background: #fee2e2;
border-color: #fca5a5;
}
.marker {
position: absolute;
top: 238px;
transform: translate(-50%, -50%);
width: 24px;
height: 24px;
border-radius: 99px;
border: 3px solid white;
box-shadow: 0 0 18px rgba(15, 23, 42, 0.18);
z-index: 5;
}
.marker.initial {
background: #2563eb;
}
.marker.target {
background: #22c55e;
}
.marker.current {
width: 30px;
height: 30px;
background: #ef4444;
}
.tag {
position: absolute;
transform: translateX(-50%);
padding: 8px 10px;
border-radius: 13px;
font-size: 12px;
font-weight: 950;
white-space: nowrap;
z-index: 6;
}
.tag.initial {
top: 120px;
color: #1d4ed8;
background: #dbeafe;
border: 1px solid #93c5fd;
}
.tag.target {
top: 80px;
color: #166534;
background: #dcfce7;
border: 1px solid #86efac;
}
.bottom-message {
position: sticky;
left: 14px;
bottom: 18px;
width: calc(100vw - 64px);
max-width: 360px;
z-index: 10;
margin-top: 408px;
padding: 14px 12px;
border-radius: 17px;
text-align: center;
background: #0f172a;
color: #e2e8f0;
font-weight: 950;
font-size: 15px;
}
.hint {
position: sticky;
left: 50%;
bottom: 82px;
width: fit-content;
margin: 0 auto;
transform: translateX(-50%);
z-index: 11;
padding: 7px 10px;
border-radius: 999px;
color: #475569;
background: rgba(255, 255, 255, 0.88);
border: 1px solid #e2e8f0;
font-size: 11px;
font-weight: 900;
pointer-events: none;
box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
}
.result {
margin-top: 10px;
border-radius: 20px;
background: #0f172a;
color: white;
padding: 14px;
display: grid;
gap: 10px;
}
.result-text {
color: #cbd5e1;
line-height: 1.42;
font-size: 13.5px;
}
.result-text b {
color: white;
}
.result-formula {
border-radius: 17px;
padding: 12px;
text-align: center;
background: rgba(255, 255, 255, 0.08);
border: 1px solid rgba(255, 255, 255, 0.13);
}
.result-formula .top {
color: #93c5fd;
font-size: 10.5px;
font-weight: 900;
letter-spacing: 0.5px;
text-transform: uppercase;
margin-bottom: 4px;
}
.result-formula .bottom {
color: #22c55e;
font-size: 28px;
font-weight: 950;
}
.cycle {
padding: 12px;
}
.cycle-title {
margin: 0 0 9px;
color: #1e293b;
font-size: 14px;
font-weight: 900;
}
.cycle-row {
display: flex;
width: 100%;
max-width: 100%;
min-width: 0;
gap: 7px;
overflow-x: auto;
overflow-y: hidden;
overscroll-behavior-x: contain;
padding-bottom: 3px;
scrollbar-width: thin;
}
.chip {
flex: 0 0 43px;
width: 43px;
height: 50px;
border-radius: 15px;
background: #f8fafc;
border: 1px solid #cbd5e1;
display: grid;
place-items: center;
font-weight: 950;
color: var(--text);
}
.chip.zero {
background: var(--green-soft);
border-color: #86efac;
color: #166534;
}
.chip.selected {
background: var(--blue-soft);
border-color: #60a5fa;
color: #1d4ed8;
box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
@media (max-width: 370px) {
body {
padding: 6px;
}
.app {
border-radius: 22px;
}
.hero {
padding: 18px 14px 15px;
}
h1 {
font-size: 24px;
}
.content {
padding: 9px;
}
.btn {
font-size: 13px;
padding: 12px 8px;
}
.line-window {
height: 480px;
}
.stats {
grid-template-columns: 1fr;
}
}
</style>
</head>
<body>
<main class="app">
<section class="hero">
<div class="badge"><span></span> Recta desplazable</div>
<h1>División mental con restos</h1>
<p>La interfaz queda fija. Si hay muchos números, deslizá la recta con el dedo.</p>
</section>
<section class="content">
<section class="card controls">
<div class="input-grid">
<div>
<label for="numero">Número</label>
<input id="numero" type="number" min="0" step="1" value="200" />
</div>
<div>
<label for="divisor">Divisor</label>
<input id="divisor" type="number" min="2" max="60" step="1" value="6" />
</div>
</div>
<div class="buttons">
<button id="calcular" class="btn blue">Calcular</button>
<button id="reset" class="btn dark">Reiniciar</button>
<button id="prev" class="btn dark">Anterior</button>
<button id="next" class="btn green">Siguiente</button>
<button id="auto" class="btn blue">Animar</button>
<button id="finish" class="btn green">Resultado</button>
</div>
<div class="stats">
<div class="stat blueText">
<div class="label">Resto</div>
<div id="statResto" class="value">2</div>
</div>
<div class="stat greenText">
<div class="label">Múltiplo</div>
<div id="statMultiplo" class="value">204</div>
</div>
<div class="stat redText">
<div class="label">Pasos</div>
<div id="statPasos" class="value">4</div>
</div>
</div>
</section>
<section class="card visual-card">
<div class="toolbar">
<button id="softPrev" class="btn dark">←</button>
<div id="status" class="status">Listo para iniciar</div>
<button id="softNext" class="btn green">→</button>
<button id="centerBtn" class="btn blue">⌖</button>
</div>
<div id="lineWindow" class="line-window">
<div id="lineInner" class="line-inner"></div>
</div>
<div class="result">
<div id="resultText" class="result-text"></div>
<div class="result-formula">
<div class="top">Conclusión</div>
<div id="resultFormula" class="bottom">r = 2</div>
</div>
</div>
</section>
<section class="card cycle">
<h2 class="cycle-title">Ciclo de restos</h2>
<div id="cycle" class="cycle-row"></div>
</section>
</section>
</main>
<script>
const inputNumero = document.getElementById("numero");
const inputDivisor = document.getElementById("divisor");
const btnCalcular = document.getElementById("calcular");
const btnReset = document.getElementById("reset");
const btnPrev = document.getElementById("prev");
const btnNext = document.getElementById("next");
const btnAuto = document.getElementById("auto");
const btnFinish = document.getElementById("finish");
const btnSoftPrev = document.getElementById("softPrev");
const btnSoftNext = document.getElementById("softNext");
const btnCenter = document.getElementById("centerBtn");
const lineWindow = document.getElementById("lineWindow");
const lineInner = document.getElementById("lineInner");
const cycleBox = document.getElementById("cycle");
const statusBox = document.getElementById("status");
const resultText = document.getElementById("resultText");
const resultFormula = document.getElementById("resultFormula");
const statResto = document.getElementById("statResto");
const statMultiplo = document.getElementById("statMultiplo");
const statPasos = document.getElementById("statPasos");
let numero = 200;
let divisor = 6;
let resto = 2;
let pasos = 4;
let objetivo = 204;
let pasoActual = 0;
let autoTimer = null;
let inicio = 0;
let fin = 10;
let unit = 64;
let leftPad = 68;
function mod(a, b) {
return ((a % b) + b) % b;
}
function leer() {
numero = parseInt(inputNumero.value, 10);
divisor = parseInt(inputDivisor.value, 10);
if (Number.isNaN(numero) || numero < 0) numero = 0;
if (Number.isNaN(divisor) || divisor < 2) divisor = 2;
if (divisor > 60) divisor = 60;
inputNumero.value = numero;
inputDivisor.value = divisor;
resto = mod(numero, divisor);
pasos = resto === 0 ? 0 : divisor - resto;
objetivo = numero + pasos;
if (pasoActual > pasos) pasoActual = pasos;
}
function calcularRango() {
const anterior = numero - resto;
inicio = anterior - 2;
fin = objetivo + 2;
if (fin - inicio < 8) {
const centro = Math.round((inicio + fin) / 2);
inicio = centro - 4;
fin = centro + 4;
}
const w = lineWindow.clientWidth || 340;
unit = w < 380 ? 58 : 64;
leftPad = 68;
}
function xOf(n) {
return leftPad + (n - inicio) * unit;
}
function scrollToNumber(n, behavior = "smooth") {
const x = xOf(n);
const target = x - lineWindow.clientWidth / 2;
lineWindow.scrollTo({ left: Math.max(0, target), behavior });
}
function detenerAuto() {
if (autoTimer !== null) {
clearInterval(autoTimer);
autoTimer = null;
btnAuto.textContent = "Animar";
btnAuto.className = "btn blue";
}
}
function reiniciar() {
detenerAuto();
leer();
pasoActual = 0;
actualizar();
requestAnimationFrame(() => scrollToNumber(numero, "auto"));
}
function finalizar() {
detenerAuto();
leer();
pasoActual = pasos;
actualizar();
requestAnimationFrame(() => scrollToNumber(objetivo));
}
function avanzar() {
detenerAuto();
leer();
if (pasoActual < pasos) {
pasoActual++;
}
actualizar();
requestAnimationFrame(() => scrollToNumber(numero + pasoActual));
}
function retroceder() {
detenerAuto();
leer();
if (pasoActual > 0) {
pasoActual--;
}
actualizar();
requestAnimationFrame(() => scrollToNumber(numero + pasoActual));
}
function animar() {
leer();
if (autoTimer !== null) {
detenerAuto();
return;
}
pasoActual = 0;
actualizar();
requestAnimationFrame(() => scrollToNumber(numero, "auto"));
btnAuto.textContent = "Detener";
btnAuto.className = "btn red";
autoTimer = setInterval(() => {
leer();
if (pasoActual < pasos) {
pasoActual++;
actualizar();
requestAnimationFrame(() => scrollToNumber(numero + pasoActual));
} else {
detenerAuto();
}
}, 700);
}
function actualizarCiclo() {
let html = "";
for (let r = 0; r < divisor; r++) {
let cls = "chip";
if (r === 0) cls += " zero";
if (r === resto) cls += " selected";
html += `<div class="${cls}">${r}</div>`;
}
html += `<div class="chip zero">0</div>`;
cycleBox.innerHTML = html;
}
function actualizarPaneles() {
statResto.textContent = resto;
statMultiplo.textContent = objetivo;
statPasos.textContent = pasos;
const actual = numero + pasoActual;
if (pasos === 0) {
statusBox.textContent = `${numero} ya es múltiplo de ${divisor}`;
resultText.innerHTML = `
<b>${numero}</b> ya tiene resto 0 al dividirlo por <b>${divisor}</b>.
`;
resultFormula.textContent = "r = 0";
return;
}
if (pasoActual === 0) {
statusBox.textContent = `Inicio: ${numero}`;
resultText.innerHTML = `
Desde <b>${numero}</b>, avanzamos hasta encontrar el próximo múltiplo de <b>${divisor}</b>.
`;
}
else if (pasoActual < pasos) {
statusBox.textContent = `${pasoActual} de ${pasos} pasos`;
resultText.innerHTML = `
Posición actual: <b>${actual}</b>. La recta se puede deslizar sin agrandar la pantalla.
`;
}
else {
statusBox.textContent = `Llegada: ${objetivo}`;
resultText.innerHTML = `
Desde <b>${numero}</b> se avanzaron <b>${pasos}</b> lugares hasta <b>${objetivo}</b>.
Entonces: <b>${divisor} − ${pasos} = ${resto}</b>.
`;
}
resultFormula.textContent = `r = ${resto}`;
}
function dibujarRecta() {
calcularRango();
const actual = numero + pasoActual;
const contentWidth = leftPad * 2 + (fin - inicio) * unit;
lineInner.style.width = `${Math.max(contentWidth, lineWindow.clientWidth)}px`;
lineInner.innerHTML = "";
const axis = document.createElement("div");
axis.className = "axis";
lineInner.appendChild(axis);
const topPanel = document.createElement("div");
topPanel.className = "top-panel";
topPanel.innerHTML = `
<div class="small">Recorrido</div>
<div class="big">${numero} ÷ ${divisor}</div>
`;
lineInner.appendChild(topPanel);
if (pasos > 0) {
const xN = xOf(numero);
const xA = xOf(actual);
const xO = xOf(objetivo);
const base = document.createElement("div");
base.className = "progress-base";
base.style.left = `${xN}px`;
base.style.width = `${Math.max(0, xO - xN)}px`;