@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&display=swap');

:root {
    --cyber-red: #ff2a2a;
    --cyber-cyan: #00f0ff;
    --cyber-dark: #050608;
    --cyber-card: #0e1117;
    --cyber-dim-red: rgba(255, 42, 42, 0.15);
}


body {
    background-color: var(--cyber-dark);
    color: var(--cyber-red);
    font-family: 'Orbitron', sans-serif;
    font-weight: 400;
    text-transform: uppercase;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 30px 10px;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 200vw;
    height: 200vh;
    background-image: 
        linear-gradient(to right, rgba(255, 42, 42, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 42, 42, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -3;
    animation: grid-scroll 20s linear infinite;
}

body::after {
    content: '';
    position: fixed;
    top: -100%;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(0, 240, 255, 0.08) 50%,
        rgba(0, 240, 255, 0.25) 51%,
        transparent 55%
    );
    z-index: -2;
    pointer-events: none;
    animation: scanline-sweep 6s ease-in-out infinite;
}


:root {
    --cyber-red: #ff2a2a;
    --cyber-cyan: #00f0ff;
    --cyber-dark: #050608;
    --cyber-card: #0e1117;
    --cyber-dim-red: rgba(255, 42, 42, 0.15);
}

body {
    background-color: var(--cyber-dark);
    background-image: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.4) 2px,
        rgba(0, 0, 0, 0.4) 4px
    );
    color: var(--cyber-red);
    font-family: 'Orbitron', sans-serif;
    font-weight: 400;
    text-transform: uppercase;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 30px 10px;
}

h1 {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin: 0;
    color: var(--cyber-red);
    border-bottom: 2px solid var(--cyber-red);
    padding-bottom: 5px;
    animation: cyber-glitch 4s infinite linear;
}

h2, p {
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.5px; 
    color: #fff;
    text-shadow: 0 0 3px rgba(255, 255, 255, 0.4);
}

.symbol-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 15px 0;
}

.symbol-btn, #reset {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--cyber-cyan);
    background: var(--cyber-card);
    border: 1px solid var(--cyber-cyan);
    padding: 10px 25px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
    transition: all 0.2s ease-in-out;
}

.symbol-btn:hover, #reset:hover {
    background-color: var(--cyber-cyan);
    color: #000;
    box-shadow: 0 0 12px var(--cyber-cyan);
    transform: scale(1.03);
}

.symbol-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    border-color: #555;
    color: #888;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 15px;
    margin-bottom: 35px; 
    padding: 15px;
    background: rgba(14, 17, 23, 0.85);
    border: 1px solid var(--cyber-red);
    box-shadow: 0 0 15px var(--cyber-dim-red);
    position: relative;
}

.row {
    display: flex;
}

.cell {
    width: 90px;
    height: 90px;
    background-color: var(--cyber-dim-red);
    border: 1px solid var(--cyber-red);
    margin: 4px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
}

.cell:hover {
    background-color: rgba(0, 240, 255, 0.1);
    border-color: var(--cyber-cyan);
    box-shadow: inset 0 0 10px var(--cyber-cyan);
}

.cell p {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--cyber-cyan);
    text-shadow: 0 0 10px var(--cyber-cyan);
    margin: 0;
}

/* HUD System Status Text */
#demo,#winner,#player-choice,#symbol-choice {
    color: var(--cyber-red);
    font-size: 1.1rem;
    font-weight: 400;
    letter-spacing: 1px;
    margin-top: 15px;
    min-height: 35px;
    animation: cyber-glitch 3s infinite linear;
}