:root {
    --monitor-bg: #0a0c0a;
    --scanline-color: rgba(0, 0, 0, 0.3);
    --text-color: #00ff41;
    --text-shadow: 0 0 5px #00ff41, 0 0 10px #00ff41;
    --border-color: #00ff41;
    --button-bg: #1a1a1a;
    --button-hover-bg: #00ff41;
    --button-hover-text: #0a0c0a;
}

body {
    background-color: #111;
    color: var(--text-color);
    font-family: 'VT323', monospace;
    font-size: 18px;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    box-sizing: border-box;
    overflow: hidden;
}

.crt-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background:
        repeating-linear-gradient(
            to bottom,
            var(--scanline-color),
            var(--scanline-color) 1px,
            transparent 1px,
            transparent 3px
        );
    z-index: 10;
    opacity: 0.7;
    animation: flicker 0.15s infinite;
}

@keyframes flicker {
    0% { opacity: 0.6; }
    50% { opacity: 0.7; }
    100% { opacity: 0.6; }
}

.screen-container {
    background-color: var(--monitor-bg);
    border: 3px solid var(--border-color);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 0 20px var(--border-color), inset 0 0 15px rgba(0, 255, 65, 0.2);
    width: 100%;
    max-width: 900px;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
}

.screen-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(0, 255, 65, 0.15) 0%, rgba(0,0,0,0) 80%);
    pointer-events: none;
}

header {
    text-align: center;
    margin-bottom: 20px;
    text-shadow: var(--text-shadow);
}

h1 {
    margin: 0;
    font-size: 2.5em;
    letter-spacing: 3px;
}

.subtitle {
    margin: 0;
    font-size: 1.2em;
}

.terminal {
    width: 100%;
}

.tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 15px;
}

.tab-button {
    background-color: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-color);
    font-family: 'VT323', monospace;
    font-size: 1.2em;
    padding: 10px 15px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    margin-bottom: -2px;
}

.tab-button:hover {
    background-color: rgba(0, 255, 65, 0.1);
}

.tab-button.active {
    border-bottom-color: var(--border-color);
    text-shadow: var(--text-shadow);
}

.tab-content {
    display: none;
    padding: 10px;
    animation: fadeIn 0.5s;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.prompt-indicator {
    margin: 10px 0 5px;
    text-shadow: var(--text-shadow);
}

.prompt-input, .file-input {
    background-color: var(--button-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-family: 'VT323', monospace;
    font-size: 1em;
    width: 100%;
    padding: 10px;
    box-sizing: border-box;
    margin-bottom: 10px;
    resize: vertical;
}

.prompt-input:focus {
    outline: none;
    box-shadow: 0 0 10px var(--border-color);
}

.file-input {
    display: none;
}

.file-label {
    background-color: var(--button-bg);
    border: 1px dashed var(--border-color);
    color: var(--text-color);
    padding: 10px 15px;
    cursor: pointer;
    display: inline-block;
    transition: all 0.2s ease-in-out;
}

.file-label:hover {
    background-color: var(--button-hover-bg);
    color: var(--button-hover-text);
    text-shadow: none;
}

.filename {
    margin-top: 5px;
    font-size: 0.9em;
    height: 1em;
}

.generate-button {
    background-color: var(--button-bg);
    border: 2px solid var(--border-color);
    color: var(--text-color);
    font-family: 'VT323', monospace;
    font-size: 1.2em;
    padding: 10px 20px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    float: right;
}

.generate-button:hover {
    background-color: var(--button-hover-bg);
    color: var(--button-hover-text);
    text-shadow: none;
}

.output-container {
    margin-top: 20px;
    clear: both;
}

.output-window {
    background-color: #000;
    border: 2px solid var(--border-color);
    height: 400px;
    width: 100%;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.output-window .placeholder-text {
    text-shadow: var(--text-shadow);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

#output-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.loader {
    width: 100px;
    height: 100px;
    border: 5px solid transparent;
    border-top-color: var(--text-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    text-align: center;
}

.loader-text {
    margin-top: 120px;
    font-size: 1.2em;
    text-shadow: var(--text-shadow);
}


@keyframes spin {
    to { transform: rotate(360deg); }
}

.error-message {
    color: #ff4141;
    text-shadow: 0 0 5px #ff4141;
}

audio {
    position: absolute;
    bottom: 10px;
    left: 10px;
    width: calc(100% - 20px);
    opacity: 0.8;
}

/* Hide default ugly controls */
audio::-webkit-media-controls-panel {
    background-color: rgba(0, 255, 65, 0.5);
    border-radius: 0;
}
audio::-webkit-media-controls-play-button,
audio::-webkit-media-controls-current-time-display,
audio::-webkit-media-controls-time-remaining-display,
audio::-webkit-media-controls-mute-button,
audio::-webkit-media-controls-volume-slider {
    filter: brightness(0) invert(1); /* makes icons green-ish */
}