:root {
    --bg-color: #0c0c0f;
    --text-color: rgba(255, 255, 255, 0.85);
    --accent-color: #64b3ff;
    --container-bg: rgba(40, 40, 45, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --success-color: #30d158;
    --error-color: #ff453a;
    --disabled-color: rgba(255, 255, 255, 0.15);
    --progress-bg: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    letter-spacing: -0.2px;
    background: url(./bg.jpg) no-repeat center center fixed;
    background-size: cover;
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 750px;
    width: 90%;
    gap: 1rem;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 32px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(70px) saturate(145%);
    -webkit-backdrop-filter: blur(70px) saturate(145%);
    padding: 1.5rem 2rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease-in-out;
}

.container::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, 
        rgba(100, 108, 255, 0.15) 0%, 
        rgba(0, 0, 0, 0) 70%);
    pointer-events: none;
    animation: liquid 15s infinite alternate;
}

h1, h2, h3 {
    letter-spacing: -0.4px;
    font-weight: 600;
}

h1 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
}

a {
    color: rgba(255, 255, 255, 0.518);
}

.title-main {
    font-size: 2.2rem;
    margin-bottom: -0.45rem;
}

.subtitle-tag {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.08);
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    display: inline-block;
    margin-bottom: 0;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: background 0.3s ease;
}

.footer-text {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    margin-top: 0.2rem;
}

.container::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -30%;
    width: 160%;
    height: 160%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.05), transparent 60%);
    animation: floatLight 20s infinite alternate;
    pointer-events: none;
    z-index: 0;
}

@keyframes floatLight {
    0% { transform: translate(0%, 0%); }
    100% { transform: translate(10%, 5%); }
}

.shutdown-message {
    margin: 0;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 24px;
}

.shutdown-message p {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.shutdown-message a {
    color: var(--accent-color);
    font-weight: 500;
    text-underline-offset: 4px;
    transition: opacity 0.2s ease;
}

@media (max-width: 768px) {
    body {
        padding: 15px;
        background-attachment: scroll;
    }

    .container {
        width: 100%;
        padding: 1.5rem 1rem;
        border-radius: 24px;
    }

    .title-main {
        font-size: 1.8rem;
    }

    .shutdown-message {
        padding: 1.25rem;
    }

    .shutdown-message p {
        font-size: 1rem;
    }

    .shutdown-message h2 {
        font-size: 1.3rem;
    }
}