* {
    margin: 3px;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --black: #050505;
    --green: #00ff88;
    --white: #f5f5f5;
    --gray: #888888;
}

body {
    background-color: var(--black);
    color: var(--white);
    font-family: "Courier New", "Courier New", monospace;
    overflow: hidden;
}

.screen {
    width: 100vw;
    height: 100vh;
}

[hidden] {
    display: none !important;
}

.hidden {
    display: none !important;
}

#home-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;

    background:
     radial-gradient(
        circle at center,
        #0b241c 0%,
        #050505 65%
     );

}

.home-container {
    width: 90%;
    max-width: 800px;
    padding: 50px;
    border: 1px solid var(--green);
    background-color: rgba(0, 0, 0, 0.85);
    box-shadow:
        0 0 20px rgba(0,225,136,0.25),
        inset 0 0 20px rgba(0,255, 136,0.05);
}

.system-text {
    color: var(--green);
    font-size: 0.8rem;
    letter-spacing: 3px;

}

h1{
    margin: 25px 0;
    font-size: 5rem;
    letter-spacing: 8px;
    color: white;
}

h1 span {
    color: var(--green);
    text-shadow:
        0 0 5px var(--green),
        0 0 15px var(--green);
}

.tagline {
    max-width: 600px;
    margin: 0 auto 30px;
    color: #cccccc;
    font-size: 1.1rem;
    line-height: 1.7;
}

#start-btn {
    padding : 16px 35px;
    background: transparent;
    color: var(--green);
    border: 1px solid var(--green);
    font-family: "Courier New", monospace;
    font-size: 1rem;
    font-weight: bold;
    letter-spacing: 2px;
    cursor: pointer;
    transition: 0.25s;
}

#start-btn:hover {
    background-color: var(--green);
    color: var(--black);
    box-shadow:
        0 0 10px var(--green),
        0 0 30px var(--green);
    transform: scale(1.05);
}

.warning-text {
    margin-top: 30px;
color: var(--gray);
    font-size: 0.7rem;
    letter-spacing: 3px;
}


.scan-line {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: rgba(0, 255, 136, 0.5);
    box-shadow: 0 0 10px var(--green);
    animation: scan 4s linear infinite;
    pointer-events: none;
}

@keyframes scan {
    0% {
        top: 0%;
    }
    100% {
        top: 100%;
    }
}
#game-screen {
    padding: 40px;
    background-color: var(--black);
    color: var(--white);
    overflow-y: auto;
}

#game-screen h2 {
    color: var(--green);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

#game-screen p {
    margin-bottom: 12px;
    line-height: 1.5;
}

#sender,
#subject,
#link {
    color: var(--green);
}

#message {
    margin: 20px 0;
    padding: 20px;
    border: 1px solid var(--green);
    background-color: rgba(0, 255, 136, 0.05);
}

#phishing-btn,
#legitimate-btn,
#next-btn {
    padding: 12px 20px;
    margin: 10px 10px 10px 0;
    background: transparent;
    color: var(--green);
    border: 1px solid var(--green);
    font-family: "Courier New", monospace;
    font-weight: bold;
    cursor: pointer;
}

#phishing-btn:hover,
#legitimate-btn:hover,
#next-btn:hover {
    background-color: var(--green);
    color: var(--black);
}

#feedback {
    margin-top: 20px;
    max-width: 700px;
}