/* ===================================
   BASE STYLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    background: var(--bg-default);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   MAIN CONTENT
   =================================== */
.main-content {
    opacity: 0;
    transition: opacity 0.5s ease-in;
    min-height: 100vh;
}

.main-content.loaded {
    opacity: 1;
}

/* ===================================
   NO-JS FALLBACK
   =================================== */
.no-js-message {
    display: none;
}

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

/* Focus styles for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--emerald500);
    outline-offset: 2px;
}

/* Skip to main content link (for accessibility) */
.skip-to-main {
    position: absolute;
    left: -9999px;
    z-index: 999;
    padding: 1em;
    background-color: var(--bg-gray900);
    color: var(--bg-gray50);
    text-decoration: none;
}

.skip-to-main:focus {
    left: 50%;
    transform: translateX(-50%);
    top: 0;
}