@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&display=swap');

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

body {
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background: #070202;
    color: #ff2020;
    font-family: 'Share Tech Mono', monospace;
}

.boot-screen {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    background:
        radial-gradient(
            circle at center,
            rgba(255, 0, 0, 0.10),
            transparent 45%
        ),
        #070202;
    overflow: hidden;
}

.boot-screen::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(
            rgba(255, 0, 0, 0.045) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(255, 0, 0, 0.045) 1px,
            transparent 1px
        );
    background-size: 40px 40px;
    pointer-events: none;
}

.top-bar {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    padding: 25px 35px;
    border-bottom: 1px solid rgba(255, 0, 0, 0.3);
    font-size: 13px;
    letter-spacing: 2px;
    color: rgba(255, 60, 60, 0.7);
}

.center {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.system-label {
    margin-bottom: 20px;
    font-size: 14px;
    letter-spacing: 5px;
    color: #ff2020;
    animation: blink 1.5s infinite;
}

h1 {
    font-size: clamp(70px, 12vw, 170px);
    font-weight: normal;
    letter-spacing: 20px;
    margin-left: 20px;
    color: #ff2020;
    text-shadow:
        0 0 10px rgba(255, 0, 0, 0.9),
        0 0 30px rgba(255, 0, 0, 0.5),
        0 0 70px rgba(255, 0, 0, 0.25);
}

.subtitle {
    margin-top: 10px;
    font-size: 13px;
    letter-spacing: 6px;
    color: rgba(255, 70, 70, 0.6);
}

.divider {
    width: min(500px, 70%);
    height: 1px;
    margin: 35px 0;
    background: linear-gradient(
        90deg,
        transparent,
        #ff2020,
        transparent
    );
    box-shadow: 0 0 10px rgba(255, 0, 0, 0.6);
}

.boot-text {
    width: 320px;
    text-align: left;
    font-size: 12px;
    line-height: 2;
    color: rgba(255, 70, 70, 0.6);
}

.boot-text span {
    float: right;
    color: #ff2020;
    text-shadow: 0 0 8px #ff2020;
}

.start-button {
    margin-top: 35px;
    padding: 14px 45px;
    background: transparent;
    border: 1px solid #ff2020;
    color: #ff2020;
    font-family: inherit;
    font-size: 13px;
    letter-spacing: 4px;
    cursor: pointer;
    transition:
        background 0.2s,
        color 0.2s,
        box-shadow 0.2s,
        transform 0.2s;
}

.start-button:hover {
    background: #ff2020;
    color: #070202;
    box-shadow:
        0 0 15px rgba(255, 0, 0, 0.8),
        0 0 40px rgba(255, 0, 0, 0.4);
    transform: scale(1.03);
}

.start-button:active {
    transform: scale(0.98);
}

.bottom-bar {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    gap: 45px;
    padding: 20px;
    border-top: 1px solid rgba(255, 0, 0, 0.3);
    font-size: 11px;
    letter-spacing: 2px;
    color: rgba(255, 70, 70, 0.55);
}

.scanlines {
    position: absolute;
    inset: 0;
    z-index: 5;
    pointer-events: none;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0px,
        transparent 3px,
        rgba(255, 0, 0, 0.025) 4px
    );
}

@keyframes blink {
    0%, 45% {
        opacity: 1;
    }

    50%, 100% {
        opacity: 0.35;
    }
}

@media (max-width: 600px) {
    .top-bar {
        padding: 18px;
        font-size: 9px;
    }

    h1 {
        font-size: 55px;
        letter-spacing: 10px;
        margin-left: 10px;
    }

    .subtitle {
        font-size: 9px;
        letter-spacing: 3px;
    }

    .boot-text {
        width: 280px;
        font-size: 10px;
    }

    .bottom-bar {
        gap: 15px;
        flex-wrap: wrap;
        font-size: 8px;
    }
}