Initial commit: Add MathHomeworkHelper project with web and Android components
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Juan José Gutiérrez de Quevedo Pérez 2025-11-25 11:07:51 +01:00
commit f9558008e1
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* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Segoe UI', 'Roboto', 'Arial', sans-serif;
background: #87CEEB;
min-height: 100vh;
padding: 20px;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
}
/* Language Selector */
.language-selector {
position: fixed;
top: 20px;
right: 20px;
z-index: 100;
}
.language-flags {
display: flex;
gap: 10px;
background: white;
padding: 10px 15px;
border-radius: 15px;
box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}
.language-flag {
font-size: 1.5em;
cursor: pointer;
padding: 5px 10px;
border-radius: 8px;
transition: all 0.3s;
border: 2px solid transparent;
}
.language-flag:hover {
background: #f0f0f0;
transform: scale(1.1);
}
.language-flag.active {
background: #87CEEB;
border-color: #2563eb;
transform: scale(1.15);
}
.language-flag-tooltip {
position: relative;
}
.language-flag-tooltip:hover::after {
content: attr(data-tooltip);
position: absolute;
bottom: 100%;
left: 50%;
transform: translateX(-50%);
background: #333;
color: white;
padding: 5px 10px;
border-radius: 5px;
font-size: 0.8em;
white-space: nowrap;
margin-bottom: 5px;
z-index: 101;
}
.container {
background: white;
border-radius: 30px;
box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
max-width: 1000px;
width: 100%;
padding: 40px;
animation: slideIn 0.5s ease-out;
}
@keyframes slideIn {
from {
opacity: 0;
transform: translateY(20px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
/* Header */
.header {
text-align: center;
margin-bottom: 40px;
}
.header h1 {
font-size: 3em;
color: #2563eb;
margin-bottom: 10px;
text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}
.subtitle {
font-size: 1.3em;
color: #7c3aed;
font-weight: bold;
}
/* Difficulty Section */
.difficulty-section {
background: linear-gradient(135deg, #dc2626 0%, #ea580c 100%);
border-radius: 20px;
padding: 25px;
margin-bottom: 30px;
box-shadow: 0 10px 25px rgba(220, 38, 38, 0.3);
}
.difficulty-label {
display: block;
font-size: 1.3em;
color: white;
font-weight: bold;
margin-bottom: 15px;
text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}
#difficulty-display {
background: white;
color: #dc2626;
padding: 5px 15px;
border-radius: 10px;
font-weight: bold;
font-size: 1.2em;
}
.slider-container {
display: flex;
align-items: center;
gap: 15px;
margin-bottom: 15px;
}
.difficulty-text {
color: white;
font-weight: bold;
font-size: 0.95em;
min-width: 50px;
}
.slider {
flex: 1;
height: 12px;
border-radius: 10px;
background: rgba(255, 255, 255, 0.3);
outline: none;
-webkit-appearance: none;
appearance: none;
cursor: pointer;
}
.slider::-webkit-slider-thumb {
-webkit-appearance: none;
appearance: none;
width: 35px;
height: 35px;
border-radius: 50%;
background: white;
cursor: pointer;
box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
transition: transform 0.2s;
}
.slider::-webkit-slider-thumb:hover {
transform: scale(1.1);
}
.slider::-moz-range-thumb {
width: 35px;
height: 35px;
border-radius: 50%;
background: white;
cursor: pointer;
border: none;
box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
transition: transform 0.2s;
}
.slider::-moz-range-thumb:hover {
transform: scale(1.1);
}
.difficulty-info {
background: rgba(255, 255, 255, 0.2);
padding: 10px 15px;
border-radius: 10px;
text-align: center;
}
#difficulty-description {
color: white;
font-size: 0.95em;
font-weight: bold;
}
/* Problem Section */
.problem-section {
background: linear-gradient(135deg, #dbeafe 0%, #e0e7ff 100%);
border-radius: 20px;
padding: 40px;
margin-bottom: 30px;
min-height: 150px;
display: flex;
align-items: center;
justify-content: center;
box-shadow: 0 10px 25px rgba(37, 99, 235, 0.2);
}
.problem-display {
font-size: 2.5em;
font-weight: bold;
color: #333;
text-align: center;
font-family: 'Courier New', monospace;
line-height: 1.6;
}
/* Horizontal multiplication (1x1) */
.multiplication-horizontal {
display: flex;
align-items: center;
justify-content: center;
gap: 20px;
}
.multiplication-horizontal .number {
font-size: 2.5em;
}
.multiplication-horizontal .operator {
font-size: 2.5em;
color: #f5576c;
font-weight: bold;
}
/* Vertical multiplication (2+ digits) */
.multiplication-vertical {
display: inline-block;
text-align: right;
font-family: 'Courier New', monospace;
}
.multiplication-vertical .line {
display: flex;
justify-content: flex-end;
gap: 5px;
margin: 5px 0;
font-size: 2em;
}
.multiplication-vertical .operator {
color: #f5576c;
font-weight: bold;
margin-right: 10px;
}
.multiplication-vertical .separator {
width: 100%;
height: 3px;
background: #333;
margin: 10px 0;
}
.digit-input {
width: 90px;
height: 90px;
font-size: 1.4em;
text-align: center;
border: 2px solid #2563eb;
border-radius: 8px;
padding: 10px;
font-weight: bold;
font-family: 'Courier New', monospace;
transition: all 0.2s;
}
.digit-input:focus {
outline: none;
border-color: #7c3aed;
box-shadow: 0 0 8px rgba(124, 58, 237, 0.4);
background-color: #f0f4ff;
}
.digit-input.error {
border-color: #dc2626;
background-color: #fee2e2;
}
.digit-input.correct {
border-color: #16a34a;
background-color: #dcfce7;
}
/* Answer Section */
.answer-section {
display: flex;
gap: 15px;
margin-bottom: 30px;
}
.answer-input {
flex: 1;
padding: 18px;
font-size: 1.3em;
border: 3px solid #2563eb;
border-radius: 15px;
outline: none;
transition: all 0.3s;
font-family: 'Segoe UI', 'Roboto', 'Arial', sans-serif;
font-weight: bold;
}
.answer-input:focus {
border-color: #7c3aed;
box-shadow: 0 0 15px rgba(124, 58, 237, 0.3);
transform: scale(1.02);
}
.answer-input::placeholder {
color: #ccc;
}
.submit-btn {
padding: 18px 30px;
font-size: 1.2em;
background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
color: white;
border: none;
border-radius: 15px;
cursor: pointer;
font-weight: bold;
transition: all 0.3s;
box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
font-family: 'Segoe UI', 'Roboto', 'Arial', sans-serif;
}
.submit-btn:hover {
transform: translateY(-3px);
box-shadow: 0 8px 20px rgba(37, 99, 235, 0.6);
}
.submit-btn:active {
transform: translateY(-1px);
}
/* Feedback Section */
.feedback-section {
min-height: 80px;
margin-bottom: 30px;
display: flex;
align-items: center;
justify-content: center;
}
.feedback {
font-size: 1.1em;
font-weight: bold;
text-align: center;
padding: 15px;
border-radius: 15px;
min-width: 100%;
animation: fadeIn 0.5s ease-out;
word-wrap: break-word;
}
@keyframes fadeIn {
from {
opacity: 0;
transform: scale(0.9);
}
to {
opacity: 1;
transform: scale(1);
}
}
.feedback.correct {
background: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%);
color: #2d5016;
box-shadow: 0 5px 15px rgba(132, 250, 176, 0.4);
}
.feedback.incorrect {
background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
color: #8b0000;
box-shadow: 0 5px 15px rgba(250, 112, 154, 0.4);
}
.feedback.empty {
background: transparent;
color: transparent;
}
/* Score Section */
.score-section {
display: flex;
gap: 20px;
margin-bottom: 30px;
justify-content: center;
}
.score-box {
background: linear-gradient(135deg, #16a34a 0%, #059669 100%);
padding: 20px 30px;
border-radius: 15px;
text-align: center;
box-shadow: 0 5px 15px rgba(22, 163, 74, 0.3);
min-width: 120px;
color: white;
}
.score-label {
font-size: 0.95em;
color: white;
font-weight: bold;
margin-bottom: 8px;
}
.score-value {
font-size: 2.5em;
color: white;
font-weight: bold;
}
/* New Problem Button */
.new-problem-btn {
width: 100%;
padding: 18px;
font-size: 1.3em;
background: linear-gradient(135deg, #dc2626 0%, #ea580c 100%);
color: white;
border: none;
border-radius: 15px;
cursor: pointer;
font-weight: bold;
transition: all 0.3s;
box-shadow: 0 5px 15px rgba(220, 38, 38, 0.4);
font-family: 'Segoe UI', 'Roboto', 'Arial', sans-serif;
}
.new-problem-btn:hover {
transform: translateY(-3px);
box-shadow: 0 8px 20px rgba(220, 38, 38, 0.6);
}
.new-problem-btn:active {
transform: translateY(-1px);
}
/* Confetti Animation */
@keyframes confetti-fall {
to {
transform: translateY(100vh) rotateZ(360deg);
opacity: 0;
}
}
.confetti {
position: fixed;
width: 10px;
height: 10px;
pointer-events: none;
animation: confetti-fall 3s ease-in forwards;
}
/* Modal Popup */
.modal {
display: none;
position: fixed;
z-index: 1000;
left: 0;
top: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.5);
align-items: center;
justify-content: center;
}
.modal.show {
display: flex;
}
.modal-content {
background-color: white;
padding: 40px;
border-radius: 20px;
text-align: center;
box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
animation: modalBounce 0.5s ease-out;
max-width: 500px;
}
@keyframes modalBounce {
0% {
transform: scale(0.5);
opacity: 0;
}
50% {
transform: scale(1.05);
}
100% {
transform: scale(1);
opacity: 1;
}
}
.modal-content h2 {
font-size: 2.5em;
color: #16a34a;
margin-bottom: 20px;
}
.modal-content p {
font-size: 1.3em;
color: #333;
margin-bottom: 30px;
}
.modal-btn {
padding: 15px 40px;
font-size: 1.2em;
background: linear-gradient(135deg, #16a34a 0%, #059669 100%);
color: white;
border: none;
border-radius: 15px;
cursor: pointer;
font-weight: bold;
transition: all 0.3s;
box-shadow: 0 5px 15px rgba(22, 163, 74, 0.4);
font-family: 'Segoe UI', 'Roboto', 'Arial', sans-serif;
}
.modal-btn:hover {
transform: translateY(-3px);
box-shadow: 0 8px 20px rgba(22, 163, 74, 0.6);
}
.modal-btn:active {
transform: translateY(-1px);
}
/* Responsive Design */
@media (max-width: 600px) {
.container {
padding: 25px;
}
.header h1 {
font-size: 2.2em;
}
.problem-section {
padding: 25px;
min-height: 120px;
}
.problem-display {
font-size: 1.8em;
}
.answer-input,
.submit-btn {
font-size: 1.1em;
padding: 15px;
}
.score-box {
min-width: 100px;
padding: 15px 20px;
}
.score-value {
font-size: 2em;
}
}