:root {
    --bg-color: #050505;
    --text-color: #33ff00;
    --dim-text: #1a8000;
    --highlight: #00ffcc;
    --error: #ff3333;
    --panel-border: #33ff00;
    --font-main: 'VT323', monospace;
    --font-heading: 'Press Start 2P', cursive;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    font-size: 20px;
    line-height: 1.4;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* CRT Scanlines and Flicker Effects */
.crt-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(
        rgba(18, 16, 16, 0) 50%,
        rgba(0, 0, 0, 0.25) 50%
    );
    background-size: 100% 4px;
    z-index: 100;
    pointer-events: none;
}

.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.1);
    box-shadow: 0 0 100px rgba(51, 255, 0, 0.1) inset;
    z-index: 99;
    pointer-events: none;
    animation: flicker 0.15s infinite;
}

@keyframes flicker {
    0% { opacity: 0.95; }
    50% { opacity: 0.9; }
    100% { opacity: 0.95; }
}

::selection {
    background: var(--text-color);
    color: var(--bg-color);
}

.terminal-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 10;
}

/* Header */
.retro-header {
    margin-bottom: 30px;
    text-align: center;
    border-bottom: 2px dashed var(--dim-text);
    padding-bottom: 20px;
}

.retro-header h1 {
    font-family: var(--font-heading);
    font-size: 24px;
    color: var(--highlight);
    margin-bottom: 15px;
    text-shadow: 2px 2px 0px var(--dim-text);
}

.system-info {
    display: flex;
    justify-content: space-between;
    font-size: 18px;
    color: var(--dim-text);
}

/* Glitch Effect */
.glitch {
    position: relative;
}
.glitch::before, .glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
}
.glitch::before {
    left: 2px;
    text-shadow: -1px 0 red;
    clip: rect(24px, 550px, 90px, 0);
    animation: glitch-anim-2 3s infinite linear alternate-reverse;
}
.glitch::after {
    left: -2px;
    text-shadow: -1px 0 blue;
    clip: rect(85px, 550px, 140px, 0);
    animation: glitch-anim 2.5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(10px, 9999px, 86px, 0); }
    20% { clip: rect(61px, 9999px, 16px, 0); }
    40% { clip: rect(85px, 9999px, 45px, 0); }
    60% { clip: rect(31px, 9999px, 78px, 0); }
    80% { clip: rect(4px, 9999px, 92px, 0); }
    100% { clip: rect(55px, 9999px, 2px, 0); }
}
@keyframes glitch-anim-2 {
    0% { clip: rect(65px, 9999px, 100px, 0); }
    20% { clip: rect(3px, 9999px, 52px, 0); }
    40% { clip: rect(98px, 9999px, 17px, 0); }
    60% { clip: rect(21px, 9999px, 84px, 0); }
    80% { clip: rect(43px, 9999px, 29px, 0); }
    100% { clip: rect(72px, 9999px, 66px, 0); }
}

/* Navigation */
.retro-nav {
    margin-bottom: 40px;
}
.retro-nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}
.retro-nav a {
    color: var(--text-color);
    text-decoration: none;
    padding: 5px 10px;
    border: 1px solid transparent;
}
.retro-nav a:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}

/* Panels */
.panel {
    border: 2px solid var(--panel-border);
    margin-bottom: 30px;
    box-shadow: 0 0 10px rgba(51, 255, 0, 0.2);
}
.panel-header {
    background-color: var(--panel-border);
    color: var(--bg-color);
    padding: 5px 10px;
    font-weight: bold;
}
.panel-content {
    padding: 15px;
}

/* Boot Sequence */
#boot-text {
    min-height: 150px;
}
.log-line { margin-bottom: 5px; }
.log-line.ok { color: var(--highlight); }
.log-line.err { color: var(--error); }

/* Features */
.feature-list {
    list-style: none;
}
.feature-list li {
    margin-bottom: 20px;
}
.feature-title {
    display: block;
    color: var(--highlight);
    font-weight: bold;
    margin-bottom: 5px;
}
.feature-desc {
    padding-left: 20px;
    display: block;
}

/* Demo Area */
.demo-area {
    display: flex;
    gap: 20px;
    border-bottom: 1px dashed var(--dim-text);
    padding-bottom: 15px;
}
@media (max-width: 700px) {
    .demo-area { flex-direction: column; }
}

.demo-sidebar {
    width: 250px;
    border-right: 2px dashed var(--dim-text);
    padding-right: 15px;
}
.demo-title {
    background-color: var(--dim-text);
    color: var(--bg-color);
    padding: 2px 5px;
    margin-bottom: 10px;
    display: inline-block;
}
#demo-peers {
    list-style: none;
}
#demo-peers li {
    margin-bottom: 5px;
}
#demo-peers .online { color: var(--text-color); }
#demo-peers .offline { color: var(--dim-text); }

.demo-chat {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.chat-log {
    flex-grow: 1;
    min-height: 200px;
    margin-bottom: 15px;
}
.msg { margin-bottom: 5px; }
.msg.sys { color: var(--highlight); }
.msg.in .sender { color: var(--highlight); margin-right: 10px; }
.msg.out .sender { color: var(--dim-text); margin-right: 10px; }

.input-area {
    display: flex;
    align-items: center;
}
.prompt {
    margin-right: 10px;
}
#demo-input {
    background: transparent;
    border: none;
    color: var(--text-color);
    font-family: var(--font-main);
    font-size: 20px;
    flex-grow: 1;
    outline: none;
}

.crypto-debug {
    padding: 15px;
}
.crypto-text {
    word-break: break-all;
    color: var(--dim-text);
    font-size: 16px;
    opacity: 0.8;
}

/* Install Code Blocks */
.code-block {
    background: #000;
    padding: 10px;
    border: 1px dashed var(--dim-text);
}
.code-block .comment { color: var(--dim-text); }
.code-block .command { color: var(--highlight); margin-left: 10px; }
.code-block .command::before { content: "> "; color: var(--text-color); }

/* Footer */
.retro-footer {
    text-align: center;
    color: var(--dim-text);
    margin-top: 50px;
    border-top: 2px dashed var(--dim-text);
    padding-top: 20px;
}