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

body, html {
    height: 100%;
    font-family: Arial, sans-serif;
    overflow: hidden; /* Prevents scrollbars */
    color: white;
}

/* Base screen class */
.screen {
    width: 100%;
    height: 100vh;
    display: none; /* Hidden by default */
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    text-align: center;
}

/* 1. Splash Screen */
#splash-screen {
    display: flex; /* Initially visible */
    background: black;
    color: white;
    font-size: 1.5em;
    line-height: 1.6;
}

/* 2. Main Menu */
#main-menu {
    background: black;
}

#main-menu h1 {
    margin-bottom: 40px;
}

.note {
    color: white;
    margin-top: 20px;
}

/* Common Button Style */
.btn {
    background: linear-gradient(to right, #FFD700, #00529B); /* Golden to Blue */
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.2em;
    font-weight: bold;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.btn:hover {
    transform: scale(1.05);
}

/* 3. Player Choice Phase */
#choice-phase {
    background: green;
}

.cards-container {
    display: flex;
    gap: 30px;
    margin: 40px 0;
}

.card {
    background: black;
    color: white;
    width: 150px;
    height: 200px;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border: 3px solid white;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    animation: popUp 0.5s ease-out forwards;
}

.card:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px yellow;
}

.card i {
    font-size: 4em;
    margin-bottom: 20px;
}

.card span {
    font-size: 1.5em;
    font-weight: bold;
}

/* "POPUP" animation */
@keyframes popUp {
    0% { transform: scale(0); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}


/* 4. Computer Spin Phase */
#spin-phase {
    background: linear-gradient(45deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8);
    background-size: 400% 400%;
    animation: ripple 10s ease infinite;
}

@keyframes ripple {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

#player-choice-display {
    font-size: 1.5em;
    background: rgba(0, 0, 0, 0.5);
    padding: 10px 20px;
    border-radius: 10px;
    margin-bottom: 30px;
}

.wheel-container {
    position: relative;
    margin-bottom: 30px;
}

.pin {
    position: absolute;
    top: -10px; /* Just outside the wheel border */
    left: 50%;
    transform: translateX(-50%);
    width: 0; 
    height: 0; 
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-top: 30px solid #f0c40f; /* Yellow */
    z-index: 20;
}

.wheel {
    width: 400px; 
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, #800080 50%, #4b0082 100%);
    position: relative;
    border: 10px solid #eee;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    overflow: hidden; /* Hide overflowing parts of lines */
}

.wheel-center {
    position: absolute;
    width: 80px; 
    height: 80px;
    background: yellow;
    border-radius: 50%;
    top: 50%; 
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    border: 5px solid white;
}

.wheel-spinner {
    position: relative;
    width: 100%;
    height: 100%;
    /* This transition is key. It spins for 6s with a nice easing. */
    transition: transform 6s cubic-bezier(0.2, 0.8, 0.4, 1);
}

.line {
    position: absolute;
    width: 2px;
    height: 50%;
    background: rgba(255, 255, 255, 0.7);
    top: 0; 
    left: 50%;
    transform-origin: bottom center;
    /* CSS variable --i is set in HTML (0-17) */
    transform: translateX(-1px) rotate(calc(var(--i) * 20deg + 10deg)); /* 10deg offset to be BETWEEN icons */
}

.slot {
    position: absolute;
    top: 50%; 
    left: 50%;
    /* Move to slot position: 1. Rotate, 2. Translate out from center */
    transform: rotate(calc(var(--i) * 20deg)) translate(0px, -150px); /* 150px radius */
}

.slot i {
    color: white;
    font-size: 24px;
    /* Rotate icon to point outwards */
    transform: rotate(90deg);
}

/* 5. Results Screen */
#results-screen {
    background: black;
}

#result-message {
    font-size: 1.5em;
    line-height: 1.6;
    max-width: 600px;
    margin-bottom: 40px;
}