:root {
    --bg-color: #0c0d11;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --accent-color: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.3);
    --danger-color: #f43f5e;
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 2rem 1rem;
}

/* Background Glow Effect */
.background-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 10% 10%, rgba(99, 102, 241, 0.15), transparent 40%),
        radial-gradient(circle at 90% 90%, rgba(244, 63, 94, 0.1), transparent 40%);
    z-index: -1;
    pointer-events: none;
}

.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 4rem;
}

.logo {
    width: 120px;
    height: auto;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.1));
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.logo:hover {
    transform: scale(1.05) rotate(2deg);
}

.title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

/* Announcement Card */
.announcement-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(12px);
    border-radius: 24px;
    padding: 3rem;
    margin-bottom: 4rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.announcement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--danger-color);
    box-shadow: 0 0 15px var(--danger-color);
}

.status-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(244, 63, 94, 0.1);
    color: var(--danger-color);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(244, 63, 94, 0.2);
    animation: statusPulse 2s infinite ease-in-out;
}

@keyframes statusPulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(244, 63, 94, 0);
    }

    50% {
        box-shadow: 0 0 15px 2px rgba(244, 63, 94, 0.2);
    }
}

.main-message {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #fff;
    line-height: 1.3;
}

.sub-message {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.sub-message strong {
    color: #fff;
}

/* Changelog Section */
.changelog-section {
    margin-bottom: 4rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    margin-bottom: 2rem;
    text-align: center;
    color: #fff;
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-color), transparent);
    opacity: 0.3;
}

.timeline-item {
    position: relative;
    padding-bottom: 3rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -2rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 10px var(--accent-glow);
}

.timeline-date {
    font-size: 0.875rem;
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.timeline-content h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.patch-notes {
    list-style: none;
    margin-top: 0.5rem;
}

.patch-notes li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.25rem;
}

.patch-notes li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.highlight .timeline-dot {
    background: #fff;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
    width: 16px;
    height: 16px;
}

.unreleased {
    opacity: 0.6;
}

.unreleased .timeline-dot {
    background: var(--text-secondary);
    box-shadow: none;
}

/* Footer & Button */
.footer {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--card-border);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: #fff;
    color: #000;
    text-decoration: none;
    border-radius: 100px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

.btn-primary svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

/* Responsive */
@media (max-width: 640px) {
    .title {
        font-size: 2.25rem;
    }

    .announcement-card {
        padding: 2rem;
    }

    .main-message {
        font-size: 1.25rem;
    }
}