:root {
    --black-bg: #0a0a0a;
    --black-dark: #050505;
    --black-light: #111111;
    --lime-green: #00ff41;
    --lime-green-dark: #00cc33;
    --lime-green-glow: rgba(0, 255, 65, 0.4);
    --lime-green-shadow: rgba(0, 255, 65, 0.2);
    --terminal-font: 'Fira Code', 'Courier New', monospace;
}

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

body {
    background: linear-gradient(135deg, var(--black-bg) 0%, var(--black-dark) 100%);
    color: var(--lime-green);
    font-family: var(--terminal-font);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}


body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        var(--lime-green-glow) 2px,
        var(--lime-green-glow) 4px
    );
    opacity: 0.03;
    pointer-events: none;
    z-index: 0;
    animation: matrixShift 20s linear infinite;
}

@keyframes matrixShift {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 0 20px;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
}


header {
    text-align: center;
    margin-bottom: 3rem;
}

.glitch {
    font-size: 3.5rem;
    font-weight: 700;
    text-transform: uppercase;
    position: relative;
    text-shadow: 
        0.05em 0 0 rgba(255, 0, 0, 0.75),
        -0.05em -0.025em 0 rgba(0, 255, 0, 0.75),
        0.025em 0.05em 0 rgba(0, 0, 255, 0.75);
    animation: glitchShake 0.3s infinite;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    animation: glitchEffect 0.3s infinite;
    color: #ff00ff;
    z-index: -1;
}

.glitch::after {
    animation: glitchEffect 0.3s infinite reverse;
    color: #00ffff;
    z-index: -2;
}

@keyframes glitchEffect {
    0% {
        transform: translate(0);
    }
    20% {
        transform: translate(-2px, 2px);
    }
    40% {
        transform: translate(-2px, -2px);
    }
    60% {
        transform: translate(2px, 2px);
    }
    80% {
        transform: translate(2px, -2px);
    }
    100% {
        transform: translate(0);
    }
}

@keyframes glitchShake {
    0% {
        transform: translate(0);
    }
    20% {
        transform: translate(-1px, 1px);
    }
    40% {
        transform: translate(-1px, -1px);
    }
    60% {
        transform: translate(1px, 1px);
    }
    80% {
        transform: translate(1px, -1px);
    }
    100% {
        transform: translate(0);
    }
}

.tagline {
    font-size: 0.9rem;
    opacity: 0.8;
    letter-spacing: 2px;
    margin-top: 0.5rem;
    border-right: 2px solid var(--lime-green);
    display: inline-block;
    padding-right: 0.5rem;
    animation: blinkCursor 1s step-end infinite;
}

@keyframes blinkCursor {
    0%, 100% { border-color: var(--lime-green); }
    50% { border-color: transparent; }
}


.input-section {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--lime-green);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 0 20px var(--lime-green-shadow);
    transition: box-shadow 0.3s ease;
}

.input-section:hover {
    box-shadow: 0 0 30px var(--lime-green-glow);
}

.input-header, .output-header {
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.prompt-sign {
    color: var(--lime-green);
    font-weight: bold;
    margin-right: 0.5rem;
}

.prompt-text {
    opacity: 0.9;
}

textarea {
    width: 100%;
    background: var(--black-dark);
    border: 1px solid var(--lime-green);
    color: var(--lime-green);
    font-family: var(--terminal-font);
    font-size: 1rem;
    padding: 1rem;
    border-radius: 4px;
    resize: vertical;
    transition: all 0.3s ease;
}

textarea:focus {
    outline: none;
    border-color: var(--lime-green-dark);
    box-shadow: 0 0 10px var(--lime-green-glow);
}

.char-counter {
    text-align: right;
    font-size: 0.8rem;
    margin-top: 0.5rem;
    opacity: 0.7;
}


.font-selector {
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.font-selector label {
    font-size: 0.9rem;
}

select {
    background: var(--black-dark);
    border: 1px solid var(--lime-green);
    color: var(--lime-green);
    font-family: var(--terminal-font);
    padding: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

select:hover {
    box-shadow: 0 0 5px var(--lime-green-glow);
}

.cyber-button {
    position: relative;
    background: transparent;
    border: 2px solid var(--lime-green);
    color: var(--lime-green);
    font-family: var(--terminal-font);
    font-size: 1.2rem;
    font-weight: bold;
    padding: 0.8rem 2rem;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 1rem;
    letter-spacing: 2px;
}

.cyber-button:hover {
    background: var(--lime-green);
    color: var(--black-bg);
    box-shadow: 0 0 20px var(--lime-green-glow);
    transform: scale(1.02);
}

.button-glitch {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 50%,
        rgba(0, 255, 65, 0.1) 50%,
        rgba(0, 255, 65, 0.1) 100%
    );
    background-size: 200% 100%;
    animation: glitchMove 0.5s linear infinite;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cyber-button:hover .button-glitch {
    opacity: 1;
}

@keyframes glitchMove {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 200% 0;
    }
}


.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: all 0.3s ease;
}

.loading-overlay.hidden {
    display: none;
}

.loading-container {
    text-align: center;
    width: 80%;
    max-width: 500px;
}

.loading-text {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    letter-spacing: 3px;
    animation: pulse 1s ease-in-out infinite;
}

.loading-bar-container {
    width: 100%;
    height: 4px;
    background: rgba(0, 255, 65, 0.2);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.loading-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--lime-green), var(--lime-green-dark));
    animation: loadingProgress 2s ease-in-out infinite;
    box-shadow: 0 0 10px var(--lime-green-glow);
}

@keyframes loadingProgress {
    0% {
        width: 0%;
        transform: translateX(-100%);
    }
    50% {
        width: 70%;
        transform: translateX(0%);
    }
    100% {
        width: 100%;
        transform: translateX(100%);
    }
}

.loading-dots span {
    font-size: 2rem;
    animation: dotBlink 1.4s infinite;
    display: inline-block;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes dotBlink {
    0%, 100% {
        opacity: 0.2;
        transform: translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateY(-5px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.7;
    }
    50% {
        opacity: 1;
        text-shadow: 0 0 10px var(--lime-green);
    }
}


.output-section {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--lime-green);
    border-radius: 8px;
    padding: 1.5rem;
    animation: fadeInUp 0.5s ease-out;
}

.output-section.hidden {
    display: none;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.output-actions {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    background: transparent;
    border: 1px solid var(--lime-green);
    color: var(--lime-green);
    font-family: var(--terminal-font);
    padding: 0.3rem 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.action-btn:hover {
    background: var(--lime-green);
    color: var(--black-bg);
    transform: scale(1.05);
}

.ascii-art {
    font-family: monospace;
    font-size: 0.8rem;
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-x: auto;
    background: var(--black-dark);
    padding: 1rem;
    border-radius: 4px;
    margin-top: 1rem;
    max-height: 500px;
    overflow-y: auto;
    border: 1px solid rgba(0, 255, 65, 0.3);
    animation: scanlines 8s linear infinite;
}

@keyframes scanlines {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 0 20px;
    }
}


footer {
    text-align: center;
    margin-top: 3rem;
    font-size: 0.7rem;
    opacity: 0.5;
    position: relative;
}

.matrix-rain {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}


@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .glitch {
        font-size: 2rem;
    }
    
    .output-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .ascii-art {
        font-size: 0.6rem;
    }
}


::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--black-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--lime-green);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--lime-green-dark);
}

.ascii-art::after {
    content: '▊';
    animation: blink 1s step-end infinite;
    margin-left: 2px;
}

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


.cyber-button:active {
    transform: scale(0.98);
    box-shadow: 0 0 30px var(--lime-green-glow);
}


.loading-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 3px,
        rgba(0, 255, 65, 0.05) 3px,
        rgba(0, 255, 65, 0.05) 4px
    );
    pointer-events: none;
    animation: matrixRain 0.5s linear infinite;
}

@keyframes matrixRain {
    0% { background-position: 0 0; }
    100% { background-position: 0 20px; }
}