/* ===== HACKER / TERMINAL THEME ===== */

body {
    margin: 0;
    font-family: "Courier New", Courier, monospace;
    background-color: #000;
    color: #00ff00;
}

/* Header */
header {
    border-bottom: 1px solid #00ff00;
    padding: 15px;
    text-align: center;
}

header h1 {
    color: #00ff00;
    margin: 0;
}

/* Nav */
nav a {
    color: #00ff00;
    text-decoration: none;
    margin-right: 15px;
}

nav a:hover {
    color: #fff;
}

/* Layout */
.container {
    display: flex;
}

/* Sidebar */
aside {
    width: 220px;
    padding: 15px;
    border-right: 1px solid #00ff00;
}

aside ul {
    list-style: none;
    padding-left: 0;
}

aside li::before {
    content: "> ";
    color: #00ff00;
}

aside a {
    color: #00ff00;
    text-decoration: none;
}

/* Main */
main {
    flex: 1;
    padding: 20px;
}

/* Navigation buttons */
.summary-navigation a {
    display: inline-block;
    margin-right: 10px;
    padding: 6px 10px;
    border: 1px solid #00ff00;
    color: #00ff00;
    text-decoration: none;
}

.summary-navigation a:hover {
    background: #00ff00;
    color: #000;
}

/* Footer */
footer {
    border-top: 1px solid #00ff00;
    text-align: center;
    padding: 10px;
}

/* ===== TERMINAL BOX ===== */
.terminal {
    border: 1px solid #00ff00;
    padding: 15px;
    margin-top: 20px;
    background: #000;
}

/* blinking cursor */
.cursor {
    display: inline-block;
    width: 10px;
    background: #00ff00;
    animation: blink 1s infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}