/* Matrix Morse Code Translator Styles */

/* CSS Variables for consistent theming */
:root {
    --matrix-green: #00ff00;
    --matrix-dark-green: #008f00;
    --matrix-bg: #000000;
    --matrix-glow: 0 0 10px var(--matrix-green), 0 0 20px var(--matrix-green), 0 0 30px var(--matrix-green);
    --terminal-bg: rgba(0, 20, 0, 0.9);
    --font-mono: 'Courier Prime', 'Courier New', monospace;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-mono);
    background: var(--matrix-bg);
    color: var(--matrix-green);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* Matrix Rain Background */
.matrix-rain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.matrix-column {
    position: absolute;
    top: -200px;
    font-size: 14px;
    line-height: 16px;
    color: var(--matrix-green);
    animation: matrix-fall linear infinite;
    opacity: 0.9;
    white-space: pre;
    font-family: var(--font-mono);
    text-shadow: 0 0 5px var(--matrix-green);
    will-change: transform;
}

@keyframes matrix-fall {
    0% {
        transform: translateY(-200px);
        opacity: 1;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 0.8;
    }
    100% {
        transform: translateY(calc(100vh + 200px));
        opacity: 0;
    }
}

/* Scanlines Effect */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 255, 0, 0.03) 2px,
        rgba(0, 255, 0, 0.03) 4px
    );
    animation: scanlines-move 0.1s linear infinite;
}

@keyframes scanlines-move {
    0% { transform: translateY(0); }
    100% { transform: translateY(4px); }
}

/* Main Container */
.container {
    position: relative;
    z-index: 10;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 20px 20px;
    max-width: 900px;
    margin: 0 auto;
}



/* Terminal Window */
.terminal-window {
    background: var(--terminal-bg);
    border: 2px solid var(--matrix-green);
    border-radius: 8px;
    box-shadow: var(--matrix-glow);
    backdrop-filter: blur(10px);
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.terminal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 15px;
    background: rgba(0, 255, 0, 0.1);
    border-bottom: 1px solid var(--matrix-green);
    border-radius: 6px 6px 0 0;
}

.terminal-buttons {
    display: flex;
    gap: 8px;
}

.terminal-button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: block;
}

.terminal-button.red { background: #ff5f56; }
.terminal-button.yellow { background: #ffbd2e; }
.terminal-button.green { background: #27ca3f; }

.terminal-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--matrix-green);
}

.terminal-content {
    padding: 20px;
}

/* Input Section */
.input-section {
    margin-bottom: 25px;
}

.input-label,
.output-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--matrix-green);
}

.prompt {
    color: var(--matrix-dark-green);
    margin-right: 5px;
}

.text-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--matrix-dark-green);
    border-radius: 4px;
    padding: 12px;
    color: var(--matrix-green);
    font-family: var(--font-mono);
    font-size: 1rem;
    resize: vertical;
    transition: all 0.3s ease;
}

.text-input:focus {
    outline: none;
    border-color: var(--matrix-green);
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.3);
}

.text-input::placeholder {
    color: var(--matrix-dark-green);
    opacity: 0.7;
}

/* Output Section */
.output-section {
    margin-bottom: 25px;
}

.morse-display {
    min-height: 100px;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--matrix-dark-green);
    border-radius: 4px;
    padding: 12px;
    font-family: var(--font-mono);
    font-size: 1.2rem;
    line-height: 1.6;
    word-break: break-all;
    white-space: pre-wrap;
}

.placeholder {
    color: var(--matrix-dark-green);
    opacity: 0.7;
    font-style: italic;
}

.decoded-text {
    color: var(--matrix-green);
    font-weight: bold;
    text-shadow: 0 0 5px rgba(0, 255, 0, 0.5);
}

/* Controls */
.controls {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.matrix-button {
    background: rgba(0, 255, 0, 0.1);
    border: 2px solid var(--matrix-green);
    color: var(--matrix-green);
    padding: 12px 20px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.matrix-button:hover:not(:disabled) {
    background: rgba(0, 255, 0, 0.2);
    box-shadow: 0 0 15px rgba(0, 255, 0, 0.5);
    transform: translateY(-2px);
}

.matrix-button:active:not(:disabled) {
    transform: translateY(0);
}

.matrix-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Info Panel */
.info-panel {
    margin-top: 20px;
}

.morse-legend h3 {
    color: var(--matrix-green);
    margin-bottom: 15px;
    font-size: 1rem;
    text-shadow: 0 0 5px var(--matrix-green);
}

.legend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 8px;
    font-size: 0.8rem;
}

.legend-item {
    background: rgba(0, 255, 0, 0.05);
    padding: 5px 8px;
    border-radius: 3px;
    border: 1px solid rgba(0, 255, 0, 0.2);
}

/* Social Media Buttons */
.social-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    background: rgba(0, 0, 0, 0.8);
    border: 2px solid var(--matrix-green);
    border-radius: 6px;
    color: var(--matrix-green);
    text-decoration: none;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

.social-btn:hover {
    background: rgba(0, 255, 65, 0.1);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.6);
    transform: translateY(-2px);
}

.social-text {
    white-space: nowrap;
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 20px;
    padding: 20px;
    color: var(--matrix-dark-green);
    font-size: 0.8rem;
    border-top: 1px solid rgba(0, 255, 0, 0.2);
}

/* Audio Warning */
.audio-warning {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--terminal-bg);
    border: 2px solid var(--matrix-green);
    padding: 20px;
    border-radius: 8px;
    z-index: 1000;
    text-align: center;
    box-shadow: var(--matrix-glow);
}

.hidden {
    display: none;
}

/* Additional Matrix Effects */
.morse-display.playing {
    animation: morse-pulse 0.5s ease-in-out infinite alternate;
}

@keyframes morse-pulse {
    0% {
        box-shadow: 0 0 5px rgba(0, 255, 0, 0.3);
        border-color: var(--matrix-dark-green);
    }
    100% {
        box-shadow: 0 0 20px rgba(0, 255, 0, 0.8);
        border-color: var(--matrix-green);
    }
}

/* Matrix character fade effect */
.matrix-column {
    background: linear-gradient(
        to bottom,
        rgba(0, 255, 0, 1) 0%,
        rgba(0, 255, 0, 0.8) 20%,
        rgba(0, 255, 0, 0.4) 60%,
        rgba(0, 255, 0, 0) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Enhanced button hover effects */
.matrix-button:hover:not(:disabled) .button-text {
    text-shadow: 0 0 10px var(--matrix-green);
}

/* Loading animation for play button */
.matrix-button.loading {
    position: relative;
    overflow: hidden;
}

.matrix-button.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 255, 0, 0.3),
        transparent
    );
    animation: loading-sweep 1.5s infinite;
}

@keyframes loading-sweep {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Enhanced focus states */
.text-input:focus,
.morse-display:focus {
    animation: terminal-focus 0.3s ease-out;
}

@keyframes terminal-focus {
    0% {
        box-shadow: 0 0 0 rgba(0, 255, 0, 0);
    }
    100% {
        box-shadow: 0 0 20px rgba(0, 255, 0, 0.3);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 10px;
        justify-content: flex-start;
    }

    .controls {
        flex-direction: column;
    }

    .matrix-button {
        width: 100%;
    }

    .legend-grid {
        grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
        font-size: 0.7rem;
    }

    .terminal-content {
        padding: 15px;
    }

    .matrix-rain {
        opacity: 0.3; /* Reduce rain intensity on mobile */
    }

    .social-buttons {
        flex-direction: column;
        gap: 15px;
        margin: 20px 0;
    }

    .social-btn {
        width: 100%;
        justify-content: center;
        padding: 15px 20px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .matrix-title {
        font-size: 1.8rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .text-input,
    .morse-display {
        font-size: 0.9rem;
    }

    .terminal-header {
        padding: 8px 12px;
    }

    .terminal-title {
        font-size: 0.8rem;
    }

    .social-btn {
        padding: 12px 16px;
        font-size: 14px;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    .matrix-column,
    .scanlines,
    .glitch::before,
    .glitch::after,
    .typing-text,
    .cursor {
        animation: none;
    }

    .matrix-rain {
        display: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --matrix-green: #ffffff;
        --matrix-dark-green: #cccccc;
        --terminal-bg: rgba(0, 0, 0, 1);
    }

    .terminal-window {
        border-width: 3px;
    }

    .matrix-button {
        border-width: 3px;
    }
}