/* --- Variables --- */
:root {
    --mc-green: #2ECC71;
    --mc-green-hover: #27AE60;
    --bg-color: #0b0f19;
    --card-bg: rgba(20, 25, 40, 0.45);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --danger: #ef4444;
    --glass-blur: blur(16px);
    --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Global --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: #000; 
}
::-webkit-scrollbar-thumb {
    background: #333; 
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--mc-green); 
}

/* --- Animated Background --- */
.bg-animation {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 15% 50%, rgba(46, 204, 113, 0.08), transparent 25%),
                radial-gradient(circle at 85% 30%, rgba(46, 204, 113, 0.05), transparent 25%);
    animation: bgShift 15s ease-in-out infinite alternate;
}

@keyframes bgShift {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

/* --- Layout --- */
.container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    gap: 30px;
}

/* --- Header --- */
.glass-header {
    position: sticky;
    top: 0;
    background: rgba(11, 15, 25, 0.7);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--card-border);
    z-index: 100;
    padding: 15px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.text-green { color: var(--mc-green); }

/* --- Glassmorphism Card --- */
.glass-card {
    width: 100%;
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

.page-title { font-size: 1.8rem; margin-bottom: 10px; font-weight: 700; }
.subtitle { color: var(--text-secondary); margin-bottom: 30px; font-size: 1.1rem; }

/* --- Timer UI --- */
.countdown-wrapper {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 30px;
}

.progress-ring__circle-bg {
    stroke: rgba(255, 255, 255, 0.05);
}

.progress-ring__circle {
    stroke: var(--mc-green);
    stroke-dasharray: 327; /* 2 * PI * 52 */
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 1s linear;
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
}

.countdown-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 36px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-green {
    background-color: var(--mc-green);
    color: #000;
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
}

.btn-green:hover {
    background-color: var(--mc-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--card-border);
}

.btn-outline:hover {
    border-color: var(--mc-green);
    color: var(--mc-green);
}

.download-icon { width: 24px; height: 24px; }

/* Ripple Effect */
.ripple .ripple-span {
    position: absolute;
    border-radius: 50%;
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    background-color: rgba(255, 255, 255, 0.4);
    pointer-events: none;
}
@keyframes ripple-animation {
    to { transform: scale(4); opacity: 0; }
}

/* --- Skeleton Loader --- */
.skeleton-loader { display: none; flex-direction: column; align-items: center; gap: 20px; }
.skeleton-loader.active { display: flex; }

.skeleton {
    background: linear-gradient(90deg, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.05) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 8px;
}
@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-title { width: 60%; height: 30px; }
.skeleton-circle { width: 120px; height: 120px; border-radius: 50%; }
.skeleton-text { width: 40%; height: 20px; }

/* --- Utility Classes --- */
.hidden { display: none !important; }
.fade-in { animation: fadeIn var(--transition-smooth) forwards; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- 404 Section --- */
.error-content { padding: 30px 0; }
.error-code { font-size: 6rem; font-weight: 800; line-height: 1; color: var(--danger); text-shadow: 0 0 20px rgba(239, 68, 68, 0.4); margin-bottom: 10px; }
.error-title { font-size: 2rem; margin-bottom: 15px; }
.error-desc { color: var(--text-secondary); margin-bottom: 30px; line-height: 1.6; }

/* --- Ad Placeholders --- */
.ad-container { width: 100%; display: flex; justify-content: center; margin: 15px 0; }
.ad-placeholder {
    background: rgba(255,255,255,0.02);
    border: 1px dashed rgba(255,255,255,0.2);
    color: var(--text-secondary);
    display: flex; justify-content: center; align-items: center;
    font-size: 0.9rem; font-weight: 500;
}
.ad-728x90 { width: 728px; height: 90px; max-width: 100%; }
.ad-native { width: 100%; max-width: 600px; height: 150px; margin-top: 20px; }
.ad-social { width: 200px; height: 30px; }
.ad-footer { width: 100%; height: 60px; margin-bottom: 20px; }
.ad-hidden { display: none; }

/* --- Footer --- */
.footer { border-top: 1px solid var(--card-border); padding: 30px 0; text-align: center; margin-top: auto; }
.copyright { color: var(--text-secondary); font-size: 0.9rem; }

/* --- Responsive --- */
@media (max-width: 768px) {
    .ad-728x90 { height: 50px; } /* Adapt banner size for mobile */
    .glass-card { padding: 30px 20px; }
    .page-title { font-size: 1.5rem; }
    .error-code { font-size: 4rem; }
  }