* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Courier New', Courier, monospace;
    background: #0a0a0a;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    transition: background 0.3s ease;
}

/* Terminal Themes */
body[data-theme="classic"] {
    --bg-color: #000000;
    --text-color: #00ff00;
    --prompt-color: #00ff00;
    --cursor-color: #00ff00;
    --header-bg: #1a1a1a;
    --link-color: #00cc00;
    --label-color: #00ff00;
}

body[data-theme="amber"] {
    --bg-color: #1a1100;
    --text-color: #ffb000;
    --prompt-color: #ffb000;
    --cursor-color: #ffb000;
    --header-bg: #2a2200;
    --link-color: #ff9900;
    --label-color: #ffcc00;
}

body[data-theme="white"] {
    --bg-color: #000000;
    --text-color: #ffffff;
    --prompt-color: #00ff00;
    --cursor-color: #ffffff;
    --header-bg: #1a1a1a;
    --link-color: #cccccc;
    --label-color: #00ff00;
}

body[data-theme="dracula"] {
    --bg-color: #282a36;
    --text-color: #f8f8f2;
    --prompt-color: #50fa7b;
    --cursor-color: #ff79c6;
    --header-bg: #1e1f29;
    --link-color: #8be9fd;
    --label-color: #bd93f9;
}

body[data-theme="matrix"] {
    --bg-color: #0d0208;
    --text-color: #00ff41;
    --prompt-color: #00ff41;
    --cursor-color: #00ff41;
    --header-bg: #1a1a1a;
    --link-color: #008f11;
    --label-color: #00ff41;
}

/* Default theme */
:root {
    --bg-color: #000000;
    --text-color: #00ff00;
    --prompt-color: #00ff00;
    --cursor-color: #00ff00;
    --header-bg: #1a1a1a;
    --link-color: #00cc00;
    --label-color: #00ff00;
}

.terminal-window {
    width: 100%;
    max-width: 900px;
    background: var(--bg-color);
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.terminal-header {
    background: var(--header-bg);
    padding: 12px 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-buttons {
    display: flex;
    gap: 8px;
}

.btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.btn.close {
    background: #ff5f56;
}

.btn.minimize {
    background: #ffbd2e;
}

.btn.maximize {
    background: #27c93f;
}

.terminal-title {
    color: var(--text-color);
    font-size: 14px;
    opacity: 0.8;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.theme-indicator {
    font-size: 11px;
    color: var(--text-color);
    opacity: 0.5;
}

.terminal-body {
    padding: 30px;
    min-height: 400px;
    background: var(--bg-color);
}

.terminal-content {
    color: var(--text-color);
    font-size: 16px;
    line-height: 1.6;
}

.line {
    margin-bottom: 10px;
}

.prompt {
    color: var(--prompt-color);
    font-weight: bold;
    margin-right: 8px;
}

.command {
    color: var(--text-color);
}

.cursor {
    color: var(--cursor-color);
    animation: none;
    margin-left: 0;
}

.cursor.blink {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 49% {
        opacity: 1;
    }
    50%, 100% {
        opacity: 0;
    }
}

.output {
    margin-top: 20px;
}

.output.hidden {
    display: none;
}

.ascii-art {
    color: var(--text-color);
    font-size: 10px;
    line-height: 1.2;
    margin-bottom: 30px;
    opacity: 0.9;
    white-space: pre;
}

.output-section {
    margin-bottom: 30px;
}

.bio-section {
    margin-bottom: 30px;
}

.bio-section p {
    margin-bottom: 12px;
}

.label {
    color: var(--label-color);
    font-weight: bold;
    margin-right: 8px;
}

.links-section {
    margin-top: 30px;
}

.links-list {
    list-style: none;
    margin-top: 15px;
    margin-left: 20px;
}

.links-list li {
    margin-bottom: 10px;
}

.link {
    color: var(--link-color);
    text-decoration: none;
    transition: all 0.2s ease;
    position: relative;
}

.link:hover {
    text-decoration: underline;
    opacity: 0.8;
}

.link::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background: var(--link-color);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.link:hover::before {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .terminal-body {
        padding: 20px 15px;
        min-height: 300px;
    }

    .terminal-content {
        font-size: 14px;
    }

    .ascii-art {
        font-size: 8px;
    }

    .terminal-title {
        position: static;
        transform: none;
    }

    .terminal-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    .theme-indicator {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .terminal-window {
        border-radius: 4px;
    }

    .terminal-body {
        padding: 15px 10px;
    }

    .terminal-content {
        font-size: 13px;
    }

    .ascii-art {
        font-size: 6px;
    }

    .prompt {
        display: block;
        margin-bottom: 5px;
    }
}

/* Loading/Typing Animation Classes */
.typing {
    display: inline-block;
}

.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Interactive Command Line */
.welcome-message {
    margin-bottom: 20px;
    color: var(--text-color);
    opacity: 0.9;
}

.welcome-message p {
    margin-bottom: 8px;
}

.command-line {
    display: flex;
    align-items: center;
    margin-top: 10px;
}

.command-input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-color);
    font-family: 'Courier New', Courier, monospace;
    font-size: 16px;
    width: 1ch;
    min-width: 1ch;
    caret-color: transparent;
    padding: 0;
    margin: 0;
}

.command-input:focus {
    outline: none;
}

.history-line {
    margin-bottom: 10px;
}

.history-line .command {
    color: var(--text-color);
}

.error-message {
    color: #ff5555;
    margin: 10px 0;
}

.success-message {
    color: var(--text-color);
    margin: 10px 0;
}

/* Landing page command hints */
.command-hint {
    color: var(--prompt-color);
    font-weight: bold;
}

.subtle-hint {
    opacity: 0.5;
    font-size: 14px;
    margin-top: 10px;
}

.section-label {
    color: var(--label-color);
    font-weight: bold;
}

/* Portfolio page */
.portfolio-header {
    margin-bottom: 25px;
}

.portfolio-header p:first-child {
    margin-bottom: 8px;
}

.projects-list {
    margin-left: 10px;
}

.project-item {
    margin-bottom: 20px;
    padding-left: 10px;
    border-left: 2px solid var(--prompt-color);
}

.project-name {
    font-weight: bold;
    margin-bottom: 4px;
}

.project-desc {
    opacity: 0.8;
    margin-bottom: 4px;
}

.project-tech {
    font-size: 12px;
    opacity: 0.5;
}

.github-link {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--text-color);
    opacity: 0.7;
}