:root {
    --bg: #0d0e11;
    --border-color: #24262f;
    --text: #e2e4e9;
    --text-muted: #62677b;
    --accent-orange: #f97316;
    --accent-green: #22c55e;
    --code-bg: #07080a;
}

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

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 14px;
    letter-spacing: -0.2px;
    padding: 2rem;
    line-height: 1.5;
}

/* Header */
.sys-header {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 1.5rem;
    margin-bottom: 3rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.sys-title h1 {
    font-size: 1.5rem;
    font-weight: 700;
    display: inline-block;
    margin-right: 1rem;
}

.status-indicator {
    font-size: 11px;
    padding: 2px 6px;
    font-weight: bold;
    border-radius: 2px;
}

.tag-orange {
    background-color: rgba(249, 115, 22, 0.15);
    color: var(--accent-orange);
    border: 1px solid var(--accent-orange);
}

.sys-meta {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    gap: 1.5rem;
}

/* Layout */
.main-content {
    max-width: 800px;
    margin: 0 auto;
}

section {
    margin-bottom: 4rem;
}

h2, h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
}

.section-desc {
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-size: 13px;
}

p {
    color: #b3b7c4;
}

/* Code Window */
.code-window {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.code-header {
    background-color: #14161d;
    padding: 6px 12px;
    border-bottom: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-muted);
}

pre {
    padding: 1.2rem;
    overflow-x: auto;
    color: #a3e635;
}

/* Roadmap */
.roadmap-timeline {
    border-left: 1px solid var(--border-color);
    padding-left: 1.5rem;
    margin-top: 1.5rem;
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1.5rem - 4px);
    top: 4px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--border-color);
}

.timeline-item.done::before {
    background-color: var(--text-muted);
}

.timeline-item.active::before {
    background-color: var(--accent-orange);
    box-shadow: 0 0 8px var(--accent-orange);
}

.phase {
    display: block;
    font-weight: bold;
    font-size: 13px;
    margin-bottom: 0.25rem;
}

.active .phase {
    color: var(--accent-orange);
}

.done p {
    color: var(--text-muted);
    text-decoration: line-through;
    opacity: 0.6;
}

/* Console/Button */
.cmd-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text);
    padding: 0.5rem 1rem;
    font-family: inherit;
    cursor: pointer;
    text-align: left;
    width: 100%;
    transition: background 0.2s;
}

.cmd-btn:hover {
    background-color: #14161d;
    border-color: var(--text-muted);
}

.console-box {
    background-color: #000;
    border: 1px solid var(--border-color);
    padding: 1rem;
    margin-top: 0.5rem;
    font-size: 13px;
}

.console-line {
    margin-bottom: 0.25rem;
}

.text-muted { color: var(--text-muted); }
.text-green { color: var(--accent-green); }
.hidden { display: none; }

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    margin-top: 6rem;
    padding-top: 1.5rem;
    font-size: 12px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
}