/* Material Minimal Design System - Same theme as PrepAI app */

/* Base colors - minimal palette */
:root {
    --primary-gray: #374151;
    --secondary-gray: #4B5563;
    --light-gray: #6B7280;
    --text-primary: #F9FAFB;
    --text-secondary: #D1D5DB;
    --text-muted: #9CA3AF;
    --background: #111827;
    --surface: #1F2937;
    --border: #374151;
}

/* Clear, readable fonts */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    font-weight: 400;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Background */
.gradient-bg {
    background: var(--background);
}

/* Glass effect for header */
.glass-effect {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    backdrop-filter: blur(8px);
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Container max width */
.container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 640px) {
    .container {
        max-width: 640px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 768px;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1024px;
    }
}

@media (min-width: 1280px) {
    .container {
        max-width: 1280px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section {
    animation: fadeIn 0.6s ease-out;
}