/* Main styles for paralASCII */

/* CSS Variables */
:root {
    --color-primary: #0f0;
    --color-secondary: #ff0;
    --color-danger: #f00;
    --color-background: #000;
    --color-text: #0f0;
    --font-mono: 'Courier New', Courier, monospace;
    --char-width: 6px;
    --char-height: 12px;
    --control-bg: rgba(0, 0, 0, 0.8);
    --control-border: rgba(0, 255, 0, 0.3);
    
    /* Dynamic variables set by JS */
    --rainbow-speed: 2s;
    --audio-brightness: 1;
}

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    background-color: var(--color-background);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1;
}

/* Visualizer container */
#visualizer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    font-size: 10px;
    line-height: 1;
    white-space: pre;
    overflow: hidden;
    letter-spacing: 0;
    margin: 0;
    padding: 0;
    font-family: var(--font-mono);
    z-index: 1;
    text-shadow: 0 0 10px currentColor, 
                 0 0 20px currentColor, 
                 0 0 30px currentColor;
    transition: color 0.1s ease-out;
}

/* Info display */
.info {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 14px;
    opacity: 0.9;
    text-align: center;
    z-index: 100;
    background: var(--control-bg);
    padding: 10px 20px;
    border-radius: 5px;
    text-shadow: 0 0 5px var(--color-primary);
    backdrop-filter: blur(10px);
    border: 1px solid var(--control-border);
    transition: opacity 0.3s ease-out;
}

.info.hidden {
    opacity: 0;
    pointer-events: none;
}

/* Error message */
.error-message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--color-danger);
    color: white;
    padding: 20px 30px;
    border-radius: 10px;
    font-size: 16px;
    box-shadow: 0 0 20px var(--color-danger);
    z-index: 200;
    display: none;
    max-width: 80%;
    text-align: center;
}

.error-message.visible {
    display: block;
    animation: shake 0.5s ease-out;
}

@keyframes shake {
    0%, 100% { transform: translate(-50%, -50%) rotate(0deg); }
    10% { transform: translate(-51%, -50%) rotate(-1deg); }
    20% { transform: translate(-49%, -50%) rotate(1deg); }
    30% { transform: translate(-51%, -50%) rotate(0deg); }
    40% { transform: translate(-49%, -50%) rotate(1deg); }
    50% { transform: translate(-50%, -50%) rotate(-1deg); }
    60% { transform: translate(-52%, -50%) rotate(0deg); }
    70% { transform: translate(-48%, -50%) rotate(-1deg); }
    80% { transform: translate(-51%, -50%) rotate(1deg); }
    90% { transform: translate(-49%, -50%) rotate(0deg); }
}

/* Loading state */
.loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    color: var(--color-primary);
    text-shadow: 0 0 20px var(--color-primary);
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Accessibility */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles */
:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background-color: var(--color-primary);
    color: var(--color-background);
}

/* Scrollbar (if needed) */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--color-secondary);
}