*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body { 
    margin: 0; 
    overflow: hidden;
    font-family: 'Inter', sans-serif;
}
canvas { display: block; }

/* Gradient backgrounds */
.gradient-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-dark {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

/* Custom scrollbar */
#hadithContent::-webkit-scrollbar {
    width: 8px;
}

#hadithContent::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

#hadithContent::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.5);
    border-radius: 10px;
}

#hadithContent::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.7);
}

/* Select styling */
select {
    transition: all 0.3s ease;
}

select:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* Button hover effects */
button {
    transition: all 0.3s ease;
}

button:hover {
    transform: scale(1.1);
}

/* Tom Select custom styling */
.ts-wrapper.single .ts-control {
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 10px 16px;
    font-size: 15px;
    transition: all 0.3s ease;
}

.ts-wrapper.single .ts-control:focus-within {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Graph container - no scroll, full height */
#content_graph {
    height: 100vh;
    padding-top: 64px;
}

#myDiagramDiv {
    width: 100%;
    height: calc(100vh - 64px);
}