/* ==================== VARIABLES ==================== */
:root {
    --bg-dark: #000000;
    --window-bg: #c0c0c0;
    --window-pink: #885262;
    --border-black: #000000;
    --accent-pink: #ffb6c1;
    --accent-maroon: #371626;
    --accent-red: #ff3366;
    --text-main: #2a2a35;
    --text-light: #ffffff;
    --font-ui: 'MS Mincho', 'SimSun', serif;
    --font-body: 'Courier New', monospace;
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--text-light);
    min-height: 100vh;
    overflow: hidden;
}

/* ==================== WARNING BANNER ==================== */
.warning-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 0, 0, 0.54);
    border-bottom: 2px solid var(--accent-red);
    padding: 0.5rem 1rem;
    text-align: center;
    font-size: 0.75rem;
    z-index: 9999;
    color: #ffcccc;
}

/* ==================== SCANLINES ==================== */
.scanlines {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9990;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.03) 0,
        rgba(0, 0, 0, 0.03) 1px,
        transparent 1px,
        transparent 2px
    );
}

/* ==================== PARTICLES ==================== */
.particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9980;
}

.particles span {
    position: absolute;
    font-size: 1rem;
    opacity: 0.4;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* ==================== LANDING CONTAINER ==================== */
.landing-container {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

/* ==================== GATE WINDOW ==================== */
.gate-frame {
    width: 100%;
    max-width: 500px;
    border: 3px double var(--border-black);
    background: linear-gradient(135deg, #c0c0c0, #808080);
    box-shadow:
        inset 2px 2px 5px #ffffff,
        inset -2px -2px 5px #404040,
        10px 10px 30px rgba(0, 0, 0, 0.5);
}

.gate-header {
    background: linear-gradient(90deg, var(--window-pink), #331927);
    color: var(--text-light);
    padding: 0.5rem 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-ui);
    font-weight: bold;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.window-controls span {
    display: inline-block;
    width: 16px;
    height: 14px;
    margin-left: 2px;
    background: var(--border-black);
    border: 1px solid #000000;
    cursor: pointer;
}

.gate-content {
    padding: 2rem;
    color: var(--text-main);
}

/* ==================== GATE TITLE ==================== */
.gate-title {
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--accent-red);
    text-shadow:
        2px 2px 0 var(--accent-pink),
        -2px -2px 0 var(--accent-maroon);
    animation: title-glitch 3s infinite;
}

@keyframes title-glitch {
    0%, 90%, 100% {
        text-shadow:
            2px 2px 0 var(--accent-pink),
            -2px -2px 0 var(--accent-maroon);
        transform: translate(0);
    }
    92% {
        text-shadow: -2px 2px 0 var(--accent-red);
        transform: translate(-2px, 1px);
    }
    94% {
        text-shadow: 2px -2px 0 var(--accent-maroon);
        transform: translate(2px, -1px);
    }
    96% {
        text-shadow: -2px -2px 0 var(--accent-pink);
        transform: translate(-1px, 2px);
    }
}

/* ==================== DISCLAIMER BOX ==================== */
.gate-disclaimer {
    background: var(--bg-dark);
    border: 1px solid var(--border-gray);
    padding: 1rem;
    font-size: 0.8rem;
    margin-bottom: 1.5rem;
    color: #ccc;
    line-height: 1.6;
    font-family: var(--font-body);
}

.gate-disclaimer strong {
    color: var(--accent-red);
}

/* ==================== BUTTONS ==================== */
.gate-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 0.75rem 2rem;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    border: 2px outset var(--border-gray);
    text-decoration: none;
    transition: all 0.1s;
}

.btn:hover {
    border-style: inset;
    transform: translateY(-1px);
}

.btn-exit {
    background: #c0c0c0;
    color: var(--text-main);
}

.btn-enter {
    background: linear-gradient(to bottom, var(--accent-pink), var(--accent-maroon));
    color: white;
    font-weight: bold;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 600px) {
    .landing-container {
        padding: 1rem;
    }

    .gate-frame {
        width: 95%;
    }

    .gate-actions {
        flex-direction: column;
    }
}