:root {
    --font-family: "Courier New", Courier, monospace;
    --border-color: #FFFFFF;
    --text-color: #FFFFFF;
    --border-hover-color: #c2d1ff;
    --box-shadow-color: rgba(217, 196, 255, 0.5);
    --bg-color: #070707;
    --bg-hover-color: #000;
    --label-color: #ffffff;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
}

/* Fade-in animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Terminal cursor blink animation */
@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

.border-highlight {
    border: 2px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

/* Staggered animation - only for animated elements */
.border-highlight:not(.no-animate) {
    animation: fadeInUp 0.5s ease-out;
    opacity: 0;
    animation-fill-mode: forwards;
}

/* Staggered animation delays for grid items */
.grid .border-highlight:nth-child(2) {
    animation-delay: 0.1s;
}

.grid .border-highlight:nth-child(3) {
    animation-delay: 0.2s;
}

.grid .border-highlight:nth-child(4) {
    animation-delay: 0.3s;
}

.grid .border-highlight:nth-child(5) {
    animation-delay: 0.4s;
}

.grid .border-highlight:nth-child(6) {
    animation-delay: 0.5s;
}

.grid .border-highlight:nth-child(7) {
    animation-delay: 0.6s;
}

.grid .border-highlight:nth-child(8) {
    animation-delay: 0.7s;
}

.grid .border-highlight:nth-child(9) {
    animation-delay: 0.8s;
}

.grid .border-highlight:nth-child(10) {
    animation-delay: 0.9s;
}

/* First border-highlight in flex containers */
.flex > .border-highlight:first-child {
    animation-delay: 0.1s;
}

.border-highlight:hover {
    border-color: var(--border-hover-color);
    box-shadow: 0 0 20px var(--box-shadow-color);
}

/* Focus states for accessibility */
.border-highlight:focus-visible,
a:focus-visible {
    outline: 2px solid var(--border-hover-color);
    outline-offset: 2px;
}

.hover-bg {
    background-color: var(--bg-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-bg:hover {
    background-color: var(--bg-hover-color);
}

.hover-bg:active {
    transform: scale(0.98);
}

/* Link hover text shadow effect */
a:hover {
    text-shadow: 0 0 8px var(--box-shadow-color);
}

.section-label {
    position: absolute;
    top: -0.9rem;
    left: 1rem;
    background-color: var(--bg-color);
    padding: 0 0.5rem;
    font-size: 1rem;
    color: var(--label-color);
    transition: opacity 0.3s ease;
}

.border-highlight:hover .section-label {
    opacity: 0.8;
}

.border-image {
    border: 2px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.border-image:hover {
    transform: scale(1.02);
    box-shadow: 0 0 25px var(--box-shadow-color);
}

.common-container {
    width: 100%;
    max-width: 60rem;
    margin: 0 auto;
}

.social-link {
    position: relative;
}

.social-link span {
    display: none;
    position: absolute;
    top: 50%;
    left: 60%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
}

.social-link:hover span {
    display: block;
}

/* Terminal cursor blink effect */
.cursor-blink {
    animation: blink 1s infinite;
    color: var(--border-hover-color);
    margin-left: 2px;
}

/* Home link hover effect */
.home-link {
    transition: all 0.3s ease;
}

.home-link:hover {
    text-shadow: 0 0 8px var(--box-shadow-color);
    transform: translateX(-2px);
}

/* Active page indicator */
.active-page {
    border-color: var(--border-hover-color) !important;
    box-shadow: 0 0 15px var(--box-shadow-color) !important;
    background-color: rgba(194, 209, 255, 0.05) !important;
}

/* Status indicator */
.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #4ade80;
    box-shadow: 0 0 8px #4ade80;
    animation: pulse 2s infinite;
    flex-shrink: 0;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

/* Responsive improvements */
@media (max-width: 640px) {
    .border-highlight {
        margin-bottom: 1rem;
    }
    
    .section-label {
        font-size: 0.875rem;
    }
}