html {
    scroll-behavior: smooth;
}

body {
    background-image:
        radial-gradient(circle at top left, rgba(59, 130, 246, 0.07), transparent 30%),
        radial-gradient(circle at top right, rgba(56, 189, 248, 0.08), transparent 32%),
        radial-gradient(circle at bottom right, rgba(99, 102, 241, 0.06), transparent 28%);
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

a, button {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark body {
    background-image:
        radial-gradient(circle at top left, rgba(59, 130, 246, 0.14), transparent 32%),
        radial-gradient(circle at bottom right, rgba(56, 189, 248, 0.12), transparent 28%);
}

.copy-success {
    animation: copyPulse 0.3s ease-in-out;
}

.is-loading {
    cursor: wait;
    opacity: 0.88;
}

.analytics-card canvas {
    min-height: 18rem;
}

.page-loader-hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-4px);
    transition: all 220ms ease;
}

@keyframes copyPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(0.96);
    }
    100% {
        transform: scale(1);
    }
}

.heatmap-grid {
    display: grid;
    gap: 0.45rem;
    grid-template-columns: repeat(25, minmax(0, 1fr));
}

.heatmap-label {
    align-items: center;
    color: rgb(100 116 139);
    display: flex;
    font-size: 0.75rem;
    justify-content: center;
}

.heatmap-cell {
    align-items: center;
    border-radius: 0.75rem;
    display: flex;
    font-size: 0.75rem;
    font-weight: 700;
    justify-content: center;
    min-height: 2rem;
    transition: transform 0.2s ease;
}

.heatmap-cell:hover {
    transform: scale(1.1);
    z-index: 10;
}

/* Custom scrollbar for premium feel */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.2);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(148, 163, 184, 0.4);
}

.dark ::-webkit-scrollbar-thumb {
    background: rgba(51, 65, 85, 0.4);
}

.dark ::-webkit-scrollbar-thumb:hover {
    background: rgba(51, 65, 85, 0.6);
}

.dark .heatmap-label {
    color: rgb(148 163 184);
}