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

:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --text-primary: #eee;
    --text-secondary: #aaa;
    --accent: #0f4c75;
    --accent-light: #3282b8;
    --border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.3s ease;
}

.theme-toggle {
    display: none;
}

.theme-switch {
    position: fixed;
    top: 2rem;
    right: 2rem;
    width: 60px;
    height: 30px;
    background: var(--bg-secondary);
    border-radius: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 8px;
    border: 2px solid var(--border);
    transition: all 0.3s ease;
    z-index: 100;
}

.theme-switch .sun,
.theme-switch .moon {
    font-size: 16px;
    transition: all 0.3s ease;
}

.theme-switch .sun {
    opacity: 0.3;
}

.theme-switch .moon {
    opacity: 1;
}

.theme-toggle:checked~body,
.theme-toggle:checked~.container,
.theme-toggle:checked~.footer {
    --bg-primary: #f5f5f5;
    --bg-secondary: #ffffff;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --accent: #3498db;
    --accent-light: #5dade2;
    --border: rgba(0, 0, 0, 0.1);
}

.theme-toggle:checked~.theme-switch .sun {
    opacity: 1;
}

.theme-toggle:checked~.theme-switch .moon {
    opacity: 0.3;
}

.container {
    text-align: center;
    padding: 2rem;
    max-width: 800px;
    animation: fadeIn 1s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.logo {
    margin: 0 auto 2rem;
    color: var(--accent-light);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.logo svg {
    filter: drop-shadow(0 4px 12px rgba(50, 130, 184, 0.3));
}

.title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--accent-light);
    font-weight: 600;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    margin: 2rem auto;
    border-radius: 3px;
}

.description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 180%;
    margin-bottom: 3rem;
}

.status {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 400px;
    margin: 0 auto;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.status-item:hover {
    transform: translateX(5px);
    border-color: var(--accent-light);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-secondary);
    position: relative;
    flex-shrink: 0;
}

.dot.active {
    background: var(--accent-light);
    box-shadow: 0 0 0 4px rgba(50, 130, 184, 0.2);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 0 0 4px rgba(50, 130, 184, 0.2);
    }

    50% {
        box-shadow: 0 0 0 8px rgba(50, 130, 184, 0.1);
    }
}

.status-item span {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: 1.5rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

@media (max-width: 768px) {
    .title {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .description {
        font-size: 1rem;
    }

    .theme-switch {
        top: 1rem;
        right: 1rem;
    }

    .container {
        padding: 1rem;
    }
}