:root {
    /* Color Palette - Hi-Tech / Cyberpunk minimal */
    --bg-base: #06090e;
    --bg-panel: rgba(14, 20, 31, 0.7);
    --bg-panel-border: rgba(45, 60, 90, 0.5);
    --accent: #00f0ff;
    --accent-hover: #00c3d0;
    --accent-glow: rgba(0, 240, 255, 0.3);
    --text-primary: #e0e6ed;
    --text-secondary: #8a9bb3;

    /* Typography */
    --font-ui: 'Inter', sans-serif;
    --font-heading: 'Orbitron', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
    
    /* Layout */
    --border-radius: 4px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-ui);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(0, 240, 255, 0.05), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(0, 240, 255, 0.03), transparent 25%),
        linear-gradient(rgba(0, 240, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.02) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 30px 30px, 30px 30px;
    background-position: 0 0, 0 0, -1px -1px, -1px -1px;
}

.installer-container {
    width: 100%;
    max-width: 500px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    animation: fadeIn 0.8s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); filter: blur(4px); }
    to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

.brand-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.brand-icon {
    width: 48px;
    height: 48px;
    color: var(--accent);
    filter: drop-shadow(0 0 12px var(--accent-glow));
}

.brand-name {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.brand-name span {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent);
    vertical-align: super;
}

.panel {
    background: var(--bg-panel);
    border: 1px solid var(--bg-panel-border);
    border-radius: var(--border-radius);
    padding: 2.5rem 2rem;
    backdrop-filter: blur(10px);
    position: relative;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.panel::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
}

.panel-header {
    text-align: center;
    margin-bottom: 2rem;
}

.panel-header h2 {
    font-size: 1.2rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
}

.instructions {
    margin-bottom: 2.5rem;
}

.instructions ol {
    list-style: none;
    counter-reset: steps;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.instructions li {
    position: relative;
    padding-left: 2.5rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.instructions li::before {
    counter-increment: steps;
    content: "0" counter(steps);
    position: absolute;
    left: 0;
    top: -2px;
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.85rem;
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 240, 255, 0.05);
}

.install-action {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    position: relative;
}

.install-action::after {
    content: '';
    position: absolute;
    width: 120%;
    height: 100%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
    z-index: -1;
    opacity: 0.5;
}

.support-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.75rem;
    border-top: 1px dashed var(--bg-panel-border);
    padding-top: 1.5rem;
}

.mono {
    font-family: var(--font-mono);
}

.support-text p {
    margin-bottom: 0.25rem;
}