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@import url('./base.css');
/* === DIFFICULTY-SPECIFIC VARIABLES === */
:root {
/* Difficulty-specific colors using existing palette */
--color-easy: var(--color-text-accent);
--color-medium: #d29922;
--color-hard: #f85149;
}
body {
margin: 0;
font-family: var(--font-family-mono);
background-color: var(--color-bg-body);
color: var(--color-text-primary);
min-height: 100vh;
background:
radial-gradient(circle at 30% 50%, rgba(0, 255, 136, 0.1), transparent 50%),
radial-gradient(circle at 70% 80%, rgba(255, 107, 53, 0.1), transparent 50%),
var(--color-bg-body);
}
/* === HEADER === */
.header {
width: 100%;
background: transparent;
padding: 12px 24px;
border-bottom: 1px solid var(--color-border);
display: flex;
align-items: center;
justify-content: space-between;
}
.header-text {
font-size: 24px;
margin: 0;
color: var(--color-text-accent);
font-weight: bold;
}
.back-button {
display: inline-flex;
align-items: center;
gap: 8px;
padding: 8px 14px;
background: transparent;
color: var(--color-text-primary);
text-decoration: none;
border: 1px solid var(--color-border);
border-radius: var(--radius-medium);
font-weight: 500;
font-family: var(--font-family-mono);
font-size: 12px;
transition: all 0.2s ease;
}
.back-button:hover {
background-color: var(--color-bg-hover);
border-color: var(--color-border-accent);
}
/* === MAIN CONTENT === */
.main-container {
max-width: 1200px;
margin: 0 auto;
padding: 60px 24px;
}
.title-section {
text-align: center;
margin-bottom: 60px;
}
.main-title {
font-size: 48px;
font-weight: 700;
margin: 0 0 20px 0;
background: linear-gradient(135deg, var(--color-text-accent), var(--color-connection-selected));
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.subtitle {
font-size: 18px;
color: var(--color-text-muted);
max-width: 600px;
margin: 0 auto;
line-height: 1.6;
}
/* === DIFFICULTY CARDS === */
.difficulty-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 20px;
max-width: 1000px;
margin: 0 auto;
}
.difficulty-card {
background: var(--color-bg-component);
border: 2px solid var(--color-border);
border-radius: var(--radius-large);
padding: 24px;
cursor: pointer;
transition: all 0.3s ease;
position: relative;
overflow: hidden;
}
.difficulty-card::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.05));
opacity: 0;
transition: opacity 0.3s ease;
}
.difficulty-card:hover {
transform: translateY(-5px);
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
background-color: var(--color-bg-hover);
}
.difficulty-card:hover::before {
opacity: 1;
}
.difficulty-card.easy {
border-color: var(--color-easy);
}
.difficulty-card.easy:hover {
border-color: var(--color-easy);
box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
}
.difficulty-card.medium {
border-color: var(--color-medium);
}
.difficulty-card.medium:hover {
border-color: var(--color-medium);
box-shadow: 0 10px 30px rgba(210, 153, 34, 0.3);
}
.difficulty-card.hard {
border-color: var(--color-hard);
}
.difficulty-card.hard:hover {
border-color: var(--color-hard);
box-shadow: 0 10px 30px rgba(248, 81, 73, 0.3);
}
.difficulty-header {
display: flex;
align-items: center;
gap: 15px;
margin-bottom: 20px;
}
.difficulty-icon {
width: 50px;
height: 50px;
border-radius: var(--radius-medium);
display: flex;
align-items: center;
justify-content: center;
font-size: 24px;
font-weight: bold;
background: var(--color-bg-dark);
border: 1px solid var(--color-border-panel);
}
.difficulty-card.easy .difficulty-icon {
color: var(--color-easy);
border-color: var(--color-easy);
}
.difficulty-card.medium .difficulty-icon {
color: var(--color-medium);
border-color: var(--color-medium);
}
.difficulty-card.hard .difficulty-icon {
color: var(--color-hard);
border-color: var(--color-hard);
}
.difficulty-title {
font-size: 28px;
font-weight: 700;
margin: 0;
color: var(--color-text-white);
}
.difficulty-description {
font-size: 16px;
color: var(--color-text-muted);
margin-bottom: 25px;
line-height: 1.5;
}
.difficulty-features {
list-style: none;
padding: 0;
margin: 0 0 25px 0;
}
.difficulty-features li {
display: flex;
align-items: center;
gap: 10px;
margin-bottom: 12px;
font-size: 14px;
color: var(--color-text-primary);
}
.difficulty-features li::before {
content: '✓';
font-weight: bold;
width: 16px;
height: 16px;
display: flex;
align-items: center;
justify-content: center;
border-radius: 50%;
font-size: 12px;
background: var(--color-bg-dark);
border: 1px solid var(--color-border);
}
.difficulty-card.easy .difficulty-features li::before {
color: var(--color-easy);
border-color: var(--color-easy);
}
.difficulty-card.medium .difficulty-features li::before {
color: var(--color-medium);
border-color: var(--color-medium);
}
.difficulty-card.hard .difficulty-features li::before {
color: var(--color-hard);
border-color: var(--color-hard);
}
.difficulty-stats {
background: var(--color-bg-dark);
border: 1px solid var(--color-border-panel);
border-radius: var(--radius-medium);
padding: 16px;
margin-bottom: 25px;
}
.stats-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 12px;
}
.stat-item {
text-align: center;
}
.stat-label {
font-size: 12px;
color: var(--color-text-muted);
margin-bottom: 5px;
text-transform: uppercase;
letter-spacing: 0.5px;
}
.stat-value {
font-size: 18px;
font-weight: 700;
color: var(--color-text-white);
}
.select-button {
width: 100%;
padding: 15px;
border: none;
border-radius: var(--radius-medium);
font-size: 16px;
font-weight: 600;
font-family: var(--font-family-mono);
cursor: pointer;
transition: all 0.3s ease;
text-transform: uppercase;
letter-spacing: 0.5px;
background: var(--color-button);
color: var(--color-text-white);
}
.select-button:hover {
background: var(--color-bg-accent);
transform: translateY(-2px);
}
.select-button:disabled {
background: var(--color-button-disabled);
cursor: not-allowed;
transform: none;
}
.difficulty-card.easy .select-button {
border: 1px solid var(--color-easy);
}
.difficulty-card.easy .select-button:hover {
border-color: var(--color-easy);
box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}
.difficulty-card.medium .select-button {
border: 1px solid var(--color-medium);
}
.difficulty-card.medium .select-button:hover {
border-color: var(--color-medium);
box-shadow: 0 0 10px rgba(210, 153, 34, 0.3);
}
.difficulty-card.hard .select-button {
border: 1px solid var(--color-hard);
}
.difficulty-card.hard .select-button:hover {
border-color: var(--color-hard);
box-shadow: 0 0 10px rgba(248, 81, 73, 0.3);
}
/* === RESPONSIVE === */
@media (max-width: 1024px) {
.difficulty-grid {
grid-template-columns: 1fr;
gap: 20px;
}
}
@media (max-width: 768px) {
.main-title {
font-size: 36px;
}
.difficulty-card {
padding: 20px;
}
.main-container {
padding: 40px 16px;
}
}
/* === ANIMATIONS === */
@keyframes fadeInUp {
from {
opacity: 0;
transform: translateY(30px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
.difficulty-card {
animation: fadeInUp 0.6s ease forwards;
}
.difficulty-card:nth-child(1) {
animation-delay: 0.1s;
}
.difficulty-card:nth-child(2) {
animation-delay: 0.2s;
}
.difficulty-card:nth-child(3) {
animation-delay: 0.3s;
}