:root {
    --bg-color: #05070a;
    --text-color: #00ff66;
    --accent-color: #ff00ff;
    --card-bg: #0c1017;
    --border-color: #00ff66;
}
body {
    font-family: "Courier New", Courier, monospace;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-shadow: 0 0 5px rgba(0, 255, 102, 0.5);
}
.container {
    max-width: 700px;
    width: 100%;
    padding: 40px 20px;
    box-sizing: border-box;
}
header {
    border-bottom: 2px dashed var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 35px;
}
.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--accent-color);
    text-shadow: 0 0 8px rgba(255, 0, 255, 0.6);
    margin-bottom: 10px;
}
h1 {
    font-size: 22px;
    margin: 0 0 5px 0;
    color: #ffffff;
}
.status-line {
    font-size: 13px;
    color: #888;
}
.section-title {
    font-size: 16px;
    font-weight: bold;
    text-transform: uppercase;
    margin: 30px 0 15px 0;
    color: var(--accent-color);
}
.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 20px;
    position: relative;
    overflow: hidden;
}
.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 4px; height: 100%;
    background-color: var(--accent-color);
}
.card h3 {
    margin: 0 0 10px 0;
    font-size: 18px;
    color: #ffffff;
}
.card p {
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-color);
}
.hint-box {
    border: 1px dotted #ffcc00;
    background: rgba(255, 204, 0, 0.05);
    color: #ffcc00;
    text-shadow: 0 0 4px rgba(255, 204, 0, 0.4);
    padding: 15px;
    border-radius: 4px;
    font-size: 14px;
    margin-top: 25px;
}
footer {
    text-align: center;
    font-size: 11px;
    color: #444;
    margin-top: 50px;
    border-top: 1px solid #222;
    padding-top: 15px;
}
.blink {
    animation: blinker 1s linear infinite;
}
@keyframes blinker {
    50% { opacity: 0; }
}
.blink {
    animation: blinker 1s steps(2, start) infinite;
}

@keyframes blinker {
    to { visibility: hidden; }
}