:root {
    --primary: #1e3a8a;
    --secondary: #1e40af;
    --accent: #2563eb;
    --text: #111827;
    --bg: #ffffff;
    --card-bg: #f8fafc;
    --error: #991b1b;
    --success: #065f46;
    --transition: all 0.3s ease;
}

.dark-mode {
    --primary: #60a5fa;
    --secondary: #3b82f6;
    --accent: #1d4ed8;
    --text: #f1f5f9;
    --bg: #0f172a;
    --card-bg: #1e293b;
    --error: #f87171;
    --success: #10b981;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text);
    transition: var(--transition);
    line-height: 1.6;
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== SCROLLBAR PREMIUM ===== */

/* WebKit */
::-webkit-scrollbar {
    width: 14px;
}

::-webkit-scrollbar-track {
    background: linear-gradient(180deg, 
        var(--card-bg) 0%, 
        rgba(138, 43, 226, 0.1) 50%, 
        var(--card-bg) 100%);
    border-radius: 0px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, 
        var(--primary) 0%, 
        var(--secondary) 50%, 
        var(--accent) 100%);
    border-radius: 8px;
    border: 3px solid var(--card-bg);
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, 
        var(--accent) 0%, 
        var(--primary) 50%, 
        var(--secondary) 100%);
    transform: scale(1.1);
    transition: all 0.3s ease;
}

::-webkit-scrollbar-corner {
    background: var(--card-bg);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--primary) var(--card-bg);
}

/* Animações */
@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Scroll suave para todo o site */
html {
    scroll-behavior: smooth;
}