.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    box-sizing: border-box;
    position: relative;
    z-index: 1;
}

.content-card {
    background: rgba(20, 20, 20, 0.7);
    border: none;
    padding: 40px;
    max-width: 600px;
    width: 100%;
    text-align: center;
    backdrop-filter: blur(5px);
    position: relative;
    clip-path: polygon(2% 5%, 97% 0%, 100% 95%, 0% 100%);
}

.body-animated .content-card {
    animation: tremble 0.4s infinite, glitch-shadow 1.5s steps(1, end) infinite;
}

@keyframes tremble {
    0% { clip-path: polygon(2% 5%, 97% 0%, 100% 95%, 0% 100%); }
    25% { clip-path: polygon(2% 5%, 98% 2%, 99% 100%, 1% 98%); }
    50% { clip-path: polygon(3% 4%, 96% 1%, 100% 96%, 2% 100%); }
    75% { clip-path: polygon(1% 6%, 97% 3%, 98% 95%, 0% 99%); }
    100% { clip-path: polygon(2% 5%, 97% 0%, 100% 95%, 0% 100%); }
}

@keyframes glitch-shadow {
    0% {
        box-shadow: 
            0 0 8px rgba(255, 0, 255, 0.5),
            inset 0 0 8px rgba(255, 0, 255, 0.4);
    }
    33% {
        box-shadow: 
            0 0 8px rgba(0, 255, 255, 0.5),
            inset 0 0 8px rgba(0, 255, 255, 0.4);
    }
    66% {
        box-shadow: 
            0 0 8px rgba(0, 255, 0, 0.5),
            inset 0 0 8px rgba(0, 255, 0, 0.4);
    }
    100% {
        box-shadow: 
            0 0 8px rgba(255, 0, 255, 0.5),
            inset 0 0 8px rgba(255, 0, 255, 0.4);
    }
}

#literature-text {
    font-size: 1.2em;
    line-height: 1.8;
    min-height: 100px;
    color: #e0e0e0;
    text-shadow: 0 0 5px rgba(0, 255, 135, 0.5);
    animation: text-flicker 15s linear infinite;
}

.body-animated #literature-text {
    animation: text-flicker 15s linear infinite, text-shadow-glitch 2s steps(1, end) infinite;
}

@keyframes text-flicker {
    0%, 100% { opacity: 1; }
    50.0% { opacity: 0.95; }
    50.5% { opacity: 1; }
}

@keyframes text-shadow-glitch {
    0% {
        text-shadow: 
            1px 0 0 rgba(255,0,255,0.5), 
            -1px 0 0 rgba(0,255,255,0.5);
    }
    10% {
        text-shadow: 
            -1px 0 0 rgba(255,0,255,0.5), 
            1px 0 0 rgba(0,255,255,0.5);
    }
    11%, 100% {
        text-shadow: none;
    }
}

.controls {
    margin-top: 30px;
    display: flex;
    align-items: center;
    gap: 20px;
}

#new-literature-btn {
    background-color: #ff00ff;
    color: #fff;
    border: none;
    padding: 12px 25px;
    font-size: 1em;
    cursor: pointer;
    border-radius: 5px;
    text-transform: uppercase;
    font-weight: bold;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 0 10px #ff00ff, 0 0 20px #ff00ff;
}

#new-literature-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px #ff00ff, 0 0 30px #ff00ff;
}

#new-literature-btn:active {
    transform: scale(0.95);
}

/* Animation Toggle Switch */
.switch-container {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #aaa;
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background-color: #ff00ff;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Glitch Overlay & Animations */
#glitch-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.body-animated #glitch-overlay {
    animation: color-shift 15s steps(1, end) infinite;
}

@keyframes color-shift {
    0%, 100% { background: transparent; }
    10% { background: rgba(255, 0, 0, 0.05); }
    10.1% { background: transparent; }
    20% { background: rgba(0, 255, 0, 0.05); }
    20.1% { background: transparent; }
    30% { background: rgba(0, 0, 255, 0.05); }
    30.1% { background: transparent; }
}

.flicker-block {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    opacity: 0;
}

.body-animated .flicker-block {
    animation: flicker 3s infinite;
}

@keyframes flicker {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

/* Responsive Design */
@media (max-width: 768px) {
    .content-card {
        padding: 20px;
    }
    #literature-text {
        font-size: 1em;
    }
    .controls {
        flex-direction: column;
    }
}