:root {
    --bg-dark: #121214;
    --bg-gradient-top: #1b2228;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(0, 243, 255, 0.35);
    --accent-cyan: #00f3ff;
    --accent-yellow: #ffee00;
    --accent-glow: rgba(0, 243, 255, 0.15);
    --text-main: #ffffff;
    --text-muted: #b0b0b8;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: radial-gradient(circle at top, var(--bg-gradient-top) 0%, var(--bg-dark) 70%);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px 16px;
    line-height: 1.6;
}

/* Main Glass Card */
.card-container {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    width: 100%;
    max-width: 440px;
    border-radius: 24px;
    padding: 36px 28px;
    text-align: left;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45), 0 0 24px var(--accent-glow);
}

/* Typography */
.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    color: var(--text-main);
}

.page-title span {
    color: var(--accent-cyan);
}

h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--accent-cyan);
    margin-top: 24px;
    margin-bottom: 10px;
    letter-spacing: 0.01em;
}

p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

/* Lists */
ol {
    padding-left: 20px;
    margin-bottom: 20px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

ol li {
    margin-bottom: 8px;
    padding-left: 4px;
}

ol li::marker {
    color: var(--accent-yellow);
    font-weight: 700;
}

/* Primary Yellow Button */
.btn-primary {
    display: block;
    width: 100%;
    text-align: center;
    background-color: var(--accent-yellow);
    color: var(--bg-dark);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    padding: 14px 20px;
    border-radius: 14px;
    margin-top: 24px;
    border: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 238, 0, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Info / Security Callout */
.notice-box {
    background: rgba(0, 243, 255, 0.06);
    border-left: 3px solid var(--accent-cyan);
    border-radius: 8px;
    padding: 12px 14px;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 20px;
    margin-bottom: 24px;
}

/* Secondary Navigation Link */
.nav-link {
    display: block;
    text-align: center;
    color: var(--accent-cyan);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 20px;
    opacity: 0.85;
    transition: opacity 0.15s ease;
}

.nav-link:hover {
    opacity: 1;
    text-decoration: underline;
}