@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-color: #f8fafc;
    --text-color: #0f172a;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
}

html.dark {
    --bg-color: #0f172a;
    --text-color: #f1f5f9;
    --card-bg: #1e293b;
    --border-color: #334155;
    --primary-color: #60a5fa;
    --primary-hover: #3b82f6;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Glassmorphism utility for modern look */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

html.dark .glass {
    background: rgba(30, 41, 59, 0.7);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

/* Base custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent; 
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1; 
    border-radius: 4px;
}
html.dark ::-webkit-scrollbar-thumb {
    background: #475569; 
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8; 
}
html.dark ::-webkit-scrollbar-thumb:hover {
    background: #64748b; 
}

/* Smooth tab transitions */
.tab-content {
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Burger menu animation */
.hamburger-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}