#home-screen {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    background: radial-gradient(circle at top right, var(--primary-light), transparent),
        radial-gradient(circle at bottom left, var(--secondary), transparent);
    overflow: hidden;
    position: relative;
}

/* Background elements for randomized animations */
.bg-blob {
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--primary);
    filter: blur(80px);
    border-radius: 50%;
    z-index: 0;
    opacity: 0.2;
    animation: float 10s infinite alternate;
}

.welcome-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    padding: 4rem;
    border-radius: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.05);
    max-width: 900px;
    width: 100%;
    z-index: 1;
    position: relative;
}

[data-theme="dark"] .welcome-card {
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.time-display {
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 2rem;
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--surface);
    border-radius: 2rem;
    box-shadow: var(--shadow);
}

.greeting-text {
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-main) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.sub-greeting {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 3.5rem;
    font-weight: 500;
}

.subject-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    width: 100%;
}

.subject-button {
    background: var(--surface);
    padding: 2.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
}

.subject-button:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.subject-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(142, 148, 242, 0.05), transparent);
    transform: translateX(-100%);
    transition: 0.6s;
}

.subject-button:hover::before {
    transform: translateX(100%);
}

.subject-icon {
    font-size: 3.5rem;
    transition: var(--transition);
}

.subject-button:hover .subject-icon {
    transform: scale(1.2) rotate(5deg);
}

.subject-name {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-main);
}

.coming-soon {
    opacity: 0.6;
    cursor: not-allowed;
    filter: grayscale(1);
}

@media (max-width: 768px) {
    .greeting-text {
        font-size: 2.5rem;
    }

    .welcome-card {
        padding: 2rem;
    }
}