/* Reusing the existing CSS from the game */
@import url('./base.css');

body {
    margin: 0;
    font-family: var(--font-family-mono);
    background-color: var(--color-bg-body);
    color: var(--color-text-primary);
    min-height: 100vh;
}

/* === LAYOUT === */
#page-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-height: 100vh;
}

#sd-header {
    width: 100%;
    background: none;
    padding: 12px 24px;
    font-weight: bold;
    color: var(--color-text-accent);
    border-bottom: 1px solid var(--color-text-dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-text {
    font-size: 24px;
    margin: 0;
}

#main-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 60px 24px;
    align-items: center;
    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%);
}

/* === REUSED EXISTING CLASSES === */
.requirements-section {
    background: #161b22;
    border: 1px solid #30363d;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.requirements-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.requirement-item {
    position: relative;
    padding: 8px 0 8px 25px;
    margin: 0;
    border-bottom: 1px solid #30363d;
}

.requirement-item:before {
    content: "✓";
    color: #00ff88;
    position: absolute;
    left: 0;
}

.panel-title {
    font-weight: bold;
    color: var(--color-text-white);
    font-size: 15px;
    margin-bottom: 0.5rem;
}

.panel-metric {
    margin-bottom: 0.4rem;
}

.panel-metric .label {
    display: inline-block;
    width: 140px;
    color: var(--color-text-muted);
}

#github-login-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background-color: #fff;
    color: #000000;
    text-decoration: none;
    border-radius: var(--radius-medium);
    font-weight: 500;
    font-family: var(--font-family-mono);
    font-size: 12px;
    border: 1px solid #2ea043;
    transition: background-color 0.2s ease;
}

#github-login-btn:hover {
    background-color: #ccc;
}

/* === CUSTOM STYLES FOR GAME MODE SELECTION === */
.hero-section {
    text-align: center;
    margin-bottom: 60px;
}

.hero-section h1 {
    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;
}

.hero-section p {
    font-size: 18px;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.game-mode-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    width: 100%;
    margin-bottom: 60px;
}

.game-mode-card {
    background: var(--color-bg-component);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-large);
    padding: 30px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.game-mode-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;
}

.game-mode-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    background-color: var(--color-bg-hover);
}

.game-mode-card:hover::before {
    opacity: 1;
}

.game-mode-card.campaign {
    border-color: var(--color-border-accent);
}

.game-mode-card.campaign:hover {
    border-color: var(--color-border-accent);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
}

.game-mode-card.practice {
    border-color: #ff6b35;
}

.game-mode-card.practice:hover {
    border-color: #ff6b35;
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

.mode-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.mode-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: bold;
    background: var(--color-bg-dark);
    border: 1px solid var(--color-border-panel);
}

.game-mode-card.campaign .mode-icon {
    color: var(--color-text-accent);
    border-color: var(--color-border-accent);
}

.game-mode-card.practice .mode-icon {
    color: #ff6b35;
    border-color: #ff6b35;
}

.mode-title {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 5px 0;
    color: var(--color-text-white);
}

.mode-subtitle {
    font-size: 16px;
    color: var(--color-text-muted);
    margin: 0;
}

.mode-features {
    margin-bottom: 25px;
}

.mode-features .requirements-list .requirement-item {
    border-bottom: 1px solid var(--color-border-panel);
}

.game-mode-card.campaign .mode-features .requirement-item:before {
    color: var(--color-text-accent);
}

.game-mode-card.practice .mode-features .requirement-item:before {
    color: #ff6b35;
}

.mode-progress {
    background: var(--color-bg-dark);
    border: 1px solid var(--color-border-panel);
    border-radius: var(--radius-medium);
    padding: 16px;
    margin-bottom: 25px;
}

.progress-bar {
    background: var(--color-border);
    height: 8px;
    border-radius: var(--radius-small);
    overflow: hidden;
    margin-top: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-text-accent), var(--color-connection-selected));
    width: 33%;
    border-radius: var(--radius-small);
}

.recent-activity {
    font-size: 14px;
}

.recent-activity .activity-item {
    margin-bottom: 4px;
}

.recent-activity .activity-item.active {
    color: #ff6b35;
}

.recent-activity .activity-item.inactive {
    color: var(--color-text-muted);
}

.mode-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;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.game-mode-card.campaign .mode-button {
    background: linear-gradient(90deg, var(--color-text-accent), var(--color-connection-selected));
    color: var(--color-bg-body);
}

.game-mode-card.practice .mode-button {
    background: linear-gradient(90deg, #ff6b35, #f7931e);
    color: var(--color-text-white);
}

.mode-button:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* === STATS GRID === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 800px;
    width: 100%;
}

.stat-card {
    background: var(--color-bg-component);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large);
    padding: 20px;
    text-align: center;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.stat-card:nth-child(1) .stat-value {
    color: var(--color-text-accent);
}

.stat-card:nth-child(2) .stat-value {
    color: var(--color-connection-selected);
}

.stat-card:nth-child(3) .stat-value {
    color: #ff6b35;
}

.stat-card:nth-child(4) .stat-value {
    color: #f7931e;
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-muted);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .game-mode-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 36px;
    }

    .game-mode-card {
        padding: 20px;
    }

    #main-content {
        padding: 40px 16px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}