:root {
    --bg-color: #0d1117;
    --card-bg: rgba(22, 27, 34, 0.8);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --accent: #d2a8ff;
    --steam: rgba(210, 168, 255, 0.4);
}

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

body {
    font-family: ui-monospace, SFMono-Regular, SF Pro Display, Menlo, Monaco, Consolas, monospace;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 480px;
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.status-code {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--accent);
    text-transform: uppercase;
    background: rgba(210, 168, 255, 0.1);
    border: 1px solid rgba(210, 168, 255, 0.2);
    padding: 0.4rem 0.8rem;
    border-radius: 50px;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.teapot-icon-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.steam {
    position: absolute;
    top: -18px;
    left: 50%;
    width: 6px;
    height: 16px;
    background: var(--steam);
    border-radius: 10px;
    filter: blur(2px);
    animation: rise 2s infinite ease-in-out;
}

.steam:nth-child(1) { transform: translateX(-10px); animation-delay: 0s; }
.steam:nth-child(2) { transform: translateX(0px); animation-delay: 0.4s; }
.steam:nth-child(3) { transform: translateX(10px); animation-delay: 0.8s; }

@keyframes rise {
    0% { transform: translateY(0) scaleX(1); opacity: 0; }
    50% { opacity: 0.8; }
    100% { transform: translateY(-20px) scaleX(2); opacity: 0; }
}

.teapot-icon {
    width: 64px;
    height: 64px;
    fill: none;
    stroke: var(--accent);
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

h1 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.rfc-quote {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px dashed var(--border-color);
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
}
