/* Custom Smooth Interactions */
body {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Glassmorphism Styles */
.glass {
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.glass-card {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-modal {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.nav-link.active {
    background: rgba(79, 70, 229, 0.15);
    color: #818cf8;
    border-right: 2px solid #6366f1;
}

/* Task Checkbox Customization */
.custom-checkbox {
    appearance: none;
    width: 24px;
    height: 24px;
    border: 2px solid #475569;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-checkbox:checked {
    background: #10b981;
    border-color: #10b981;
}

.custom-checkbox:checked::after {
    content: '✓';
    color: white;
    font-size: 14px;
    font-weight: bold;
}

/* Hide Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

/* Hover Lift */
.hover-lift {
    transition: transform 0.2s cubic-bezier(0.33, 1, 0.68, 1);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

/* Custom Gradients */
.grad-indigo { background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%); }
.grad-green { background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%); }
.grad-rose { background: linear-gradient(135deg, #f43f5e 0%, #fb923c 100%); }
.grad-slate { background: linear-gradient(135deg, #334155 0%, #475569 100%); }