.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.5s ease;
}

.modal-content {
    background: linear-gradient(135deg, #667eea, #764ba2);
    padding: 40px;
    border-radius: 20px;
    max-width: 90%;
    max-height: 80%;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    text-align: center;
    color: white;
    backdrop-filter: blur(10px);
}

.modal-content h2 {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    margin-bottom: 20px;
    text-shadow: 0 0 20px #00ffff;
}

.modal-content ul {
    text-align: left;
    margin: 20px 0;
    font-size: 1.2rem;
}

.modal-content li {
    margin: 15px 0;
}

.modal-btn {
    background: linear-gradient(45deg, #00ffff, #ff00ff);
    color: #000;
    border: none;
    padding: 15px 40px;
    font-size: 1.4rem;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 0 30px #00ffff;
    transition: all 0.3s;
    margin-top: 20px;
}

.modal-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 50px #ff00ff;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial Black', sans-serif;
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.container {
    text-align: center;
    max-width: 90%;
    padding: 20px;
    text-shadow: 0 0 10px rgba(255,255,255,0.5);
}

h1 {
    color: #fff;
    font-size: clamp(2rem, 6vw, 4rem);
    margin-bottom: 20px;
    text-shadow: 0 0 20px #00ffff;
}

.game-info p {
    color: #fff;
    font-size: clamp(1.1rem, 4vw, 1.4rem);
    margin: 15px 0;
    font-weight: bold;
    text-shadow: 0 0 10px #00ff88;
}

#start-btn {
    position: relative;
    background: linear-gradient(45deg, #ff00ff, #00ffff);
    color: #000;
    border: none;
    padding: clamp(15px, 5vw, 25px) clamp(30px, 10vw, 50px);
    font-size: clamp(1.1rem, 4vw, 1.4rem);
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: 0 10px 30px rgba(0,255,255,0.5);
    margin: 25px 0;
    text-transform: uppercase;
    letter-spacing: 2px;
    z-index: 5;
}

#start-btn:hover {
    animation: buttonBounce 0.6s ease;
    box-shadow: 0 15px 40px rgba(255,0,255,0.7);
}

@keyframes buttonBounce {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(5deg); }
}

.game-screen {
    width: clamp(220px, 75vw, 450px);
    height: clamp(220px, 75vw, 450px);
    margin: 30px auto;
    border-radius: 25px;
    border: 6px solid #fff;
    box-shadow: 0 0 40px rgba(0,255,255,0.6);
    cursor: pointer;
    transition: all 0.6s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: clamp(2.5rem, 10vw, 5rem);
    font-weight: bold;
    color: #000;
    text-shadow: 2px 2px 4px rgba(255,255,255,0.8);
    position: relative;
    overflow: hidden;
}

.game-screen.waiting {
    background: linear-gradient(135deg, #00ff88, #32ff7e);
    box-shadow: 0 0 50px #00ff88;
    animation: glow 2s infinite alternate;
}

.game-screen.ready {
    background: linear-gradient(135deg, #ffa502, #ff6348);
    box-shadow: 0 0 50px #ffa502;
    animation: pulse 1s infinite;
}

.game-screen.signal {
    animation: bounceIn 0.6s ease-out;
    box-shadow: 0 0 60px #ffff00;
}

.fake-btn {
    position: absolute;
    background: linear-gradient(45deg, #ff4757, #ff3838);
    color: white !important;
    border: none;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(255,71,87,0.4);
    transition: all 0.3s ease;
    z-index: 10;
}

.fake-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(255,71,87,0.6);
}

.bluff-shake {
    animation: shake 0.5s ease-in-out;
}

@keyframes glow {
    from { box-shadow: 0 0 50px #00ff88; }
    to { box-shadow: 0 0 70px #00ff88, inset 0 0 30px rgba(255,255,255,0.3); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.08); }
    100% { transform: scale(1); }
}

@keyframes bounceIn {
    0% { transform: scale(0.9); opacity: 0.7; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-10px); }
    20%, 40%, 60%, 80% { transform: translateX(10px); }
}

.instructions {
    color: rgba(255,255,255,0.95);
    font-size: clamp(1rem, 3vw, 1.1rem);
    margin-top: 25px;
    line-height: 1.5;
    text-shadow: 0 0 10px #00ffff;
}

@media (max-width: 480px) {
    .container { padding: 15px; }
    .game-screen { margin: 20px auto; }
    .fake-btn { padding: 10px 20px; font-size: 1rem; }
}