/* style.css */

:root {
    --primary-color: #00f2ff; /* Bright cyan for highlights */
    --secondary-color: #9700ff; /* Purple for accents */
    --background-color: #08001b; /* Deep dark blue/purple */
    --surface-color: rgba(10, 2, 30, 0.8); /* Slightly transparent dark surface */
    --text-color: #e0e0e0;
    --text-muted-color: #a0a0a0;
    --glow-color: rgba(0, 242, 255, 0.7);
    --glow-color-secondary: rgba(151, 0, 255, 0.6);
    --border-color: rgba(0, 242, 255, 0.3);

    --font-title: 'Orbitron', sans-serif;
    --font-text: 'Rajdhani', sans-serif;

    --tesseract-size: 200px; /* Base size for the tesseract visual */
    --node-size: 20px;
}

/* --- Basic Reset & Global Styles --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px; /* Base font size */
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-text);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden; /* Prevent horizontal scrollbars */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-image:
        radial-gradient(circle at 1px 1px, rgba(255,255,255,0.05) 1px, transparent 0),
        radial-gradient(circle at 10px 10px, rgba(255,255,255,0.03) 1px, transparent 0);
    background-size: 20px 20px; /* Subtle grid background */
}

/* --- Preloader Styles --- */
#tw-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--background-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.tw-preloader-cube {
    width: 60px;
    height: 60px;
    position: relative;
    transform-style: preserve-3d;
    animation: preload-rotate 8s infinite linear;
}

.tw-preloader-face {
    position: absolute;
    width: 60px;
    height: 60px;
    border: 2px solid var(--primary-color);
    background-color: rgba(0, 242, 255, 0.1);
    box-shadow: 0 0 10px var(--glow-color);
}

.tw-preloader-face.tw-front  { transform: translateZ(30px); }
.tw-preloader-face.tw-back   { transform: rotateY(180deg) translateZ(30px); }
.tw-preloader-face.tw-right  { transform: rotateY(90deg) translateZ(30px); }
.tw-preloader-face.tw-left   { transform: rotateY(-90deg) translateZ(30px); }
.tw-preloader-face.tw-top    { transform: rotateX(90deg) translateZ(30px); }
.tw-preloader-face.tw-bottom { transform: rotateX(-90deg) translateZ(30px); }

#tw-preloader p {
    margin-top: 20px;
    font-family: var(--font-title);
    font-size: 1.2rem;
    color: var(--primary-color);
    text-shadow: 0 0 5px var(--glow-color);
    animation: pulse-text 2s infinite ease-in-out;
}

@keyframes preload-rotate {
    0% { transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg); }
    100% { transform: rotateX(360deg) rotateY(720deg) rotateZ(360deg); }
}

@keyframes pulse-text {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* --- App Container & Layout --- */
#tw-app-container {
    width: 100%;
    max-width: 1200px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0; /* Initially hidden, shown by JS */
    transform: translateY(20px); /* Slight upward animation on load */
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

#tw-app-container.tw-visible {
    opacity: 1;
    transform: translateY(0);
}

.tw-hidden {
    display: none !important;
}

.tw-header {
    text-align: center;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    width: 100%;
}

.tw-header h1 {
    font-family: var(--font-title);
    font-size: 2.8rem;
    color: var(--primary-color);
    text-shadow: 0 0 15px var(--glow-color), 0 0 25px var(--glow-color);
    letter-spacing: 2px;
    margin-bottom: 5px;
}

.tw-header .tw-subtitle {
    font-family: var(--font-text);
    font-size: 1.1rem;
    color: var(--text-muted-color);
    font-weight: 300;
}

.tw-main-content {
    display: flex;
    flex-direction: row; /* Default for wider screens */
    gap: 30px;
    width: 100%;
}

/* --- Tesseract Visualization --- */
#tw-tesseract-visualization {
    flex: 2; /* Takes more space */
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px; /* Ensure space for tesseract */
    perspective: 1000px; /* Essential for 3D effect */
    position: relative; /* For canvas positioning */
}

#tw-particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1; /* Behind the tesseract DOM elements */
}

.tw-tesseract-outer-shell {
    width: var(--tesseract-size);
    height: var(--tesseract-size);
    position: relative;
    transform-style: preserve-3d;
    animation: tesseract-rotate 120s infinite linear; /* Slow majestic rotation */
}

.tw-tesseract-inner-cube {
    width: calc(var(--tesseract-size) * 0.5);
    height: calc(var(--tesseract-size) * 0.5);
    position: absolute;
    top: 50%;
    left: 50%;
    transform-style: preserve-3d;
    transform: translate(-50%, -50%) rotateX(0deg) rotateY(0deg); /* Centered */
    animation: tesseract-inner-rotate 60s infinite linear reverse; /* Counter-rotation or different speed */
}

/* Creating cube faces (simplified for the shell, more detailed for nodes) */
.tw-tesseract-outer-shell::before, .tw-tesseract-outer-shell::after,
.tw-tesseract-inner-cube::before, .tw-tesseract-inner-cube::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 1px solid var(--primary-color);
    box-shadow: inset 0 0 10px var(--glow-color), 0 0 10px var(--glow-color);
    opacity: 0.3;
}
/* Outer Shell 'ghost' faces for visual depth */
.tw-tesseract-outer-shell::before { transform: translateZ(calc(var(--tesseract-size) / 2)); }
.tw-tesseract-outer-shell::after { transform: translateZ(calc(var(--tesseract-size) / -2)); }
/* Inner Cube 'ghost' faces */
.tw-tesseract-inner-cube::before { transform: translateZ(calc(var(--tesseract-size) * 0.25)); }
.tw-tesseract-inner-cube::after { transform: translateZ(calc(var(--tesseract-size) * -0.25)); }

.tw-node {
    position: absolute;
    width: var(--node-size);
    height: var(--node-size);
    background-color: var(--secondary-color);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--glow-color-secondary), 0 0 15px var(--glow-color-secondary);
    cursor: pointer;
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
    transform-style: preserve-3d; /* If nodes themselves have 3D aspects */
}

.tw-node:hover {
    transform: scale(1.3);
    background-color: var(--primary-color);
    box-shadow: 0 0 12px var(--glow-color), 0 0 20px var(--glow-color);
}

.tw-node.activated {
    background-color: var(--primary-color);
    box-shadow: 0 0 15px var(--glow-color), 0 0 30px var(--glow-color), inset 0 0 5px #fff;
    animation: pulse-node 1.5s infinite ease-in-out;
}

@keyframes pulse-node {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
}

/* Node positioning (8 corners of the inner cube) */
/* This needs JavaScript to dynamically position them correctly in 3D space relative to inner cube,
   but here's a static approximation if inner-cube is not rotating too wildly or if nodes are on a fixed frame.
   For true tesseract representation, JS will place these.
   For simplicity here, we place them on the faces of the inner cube.
*/
/* Example placements (will be refined by JS) */
.tw-node[data-node-id="1"] { top: 0; left: 0; transform: translate(-50%, -50%) translateZ(calc(var(--tesseract-size) * 0.25)); }
.tw-node[data-node-id="2"] { top: 0; right: 0; transform: translate(50%, -50%) translateZ(calc(var(--tesseract-size) * 0.25)); }
.tw-node[data-node-id="3"] { bottom: 0; left: 0; transform: translate(-50%, 50%) translateZ(calc(var(--tesseract-size) * 0.25)); }
.tw-node[data-node-id="4"] { bottom: 0; right: 0; transform: translate(50%, 50%) translateZ(calc(var(--tesseract-size) * 0.25)); }
.tw-node[data-node-id="5"] { top: 0; left: 0; transform: translate(-50%, -50%) translateZ(calc(var(--tesseract-size) * -0.25)); }
.tw-node[data-node-id="6"] { top: 0; right: 0; transform: translate(50%, -50%) translateZ(calc(var(--tesseract-size) * -0.25)); }
.tw-node[data-node-id="7"] { bottom: 0; left: 0; transform: translate(-50%, 50%) translateZ(calc(var(--tesseract-size) * -0.25)); }
.tw-node[data-node-id="8"] { bottom: 0; right: 0; transform: translate(50%, 50%) translateZ(calc(var(--tesseract-size) * -0.25)); }


@keyframes tesseract-rotate {
    0% { transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg); }
    100% { transform: rotateX(360deg) rotateY(360deg) rotateZ(360deg); }
}

@keyframes tesseract-inner-rotate {
    0% { transform: translate(-50%, -50%) rotateX(0deg) rotateY(0deg) rotateZ(0deg); }
    100% { transform: translate(-50%, -50%) rotateX(-360deg) rotateY(360deg) rotateZ(-360deg); }
}


/* --- Interaction Panel --- */
#tw-interaction-panel {
    flex: 1.5; /* Takes less space than visualizer */
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 0 20px rgba(0,0,0,0.3), 0 0 15px var(--glow-color-secondary) inset;
    backdrop-filter: blur(5px); /* Frosted glass effect if supported */
    max-height: 70vh; /* prevent panel from becoming too tall */
    overflow-y: auto; /* scroll if content overflows */
}

.tw-stage {
    display: none; /* Hidden by default, JS shows current stage */
    animation: fadeInStage 0.5s ease-out;
}

.tw-stage.current-stage {
    display: block;
}

@keyframes fadeInStage {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

#tw-interaction-panel h2 {
    font-family: var(--font-title);
    color: var(--primary-color);
    text-shadow: 0 0 5px var(--glow-color);
    margin-bottom: 15px;
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 10px;
    font-size: 1.6rem;
}

.tw-instruction-text {
    font-size: 1rem;
    color: var(--text-muted-color);
    margin-bottom: 20px;
    line-height: 1.5;
}

.tw-button {
    display: inline-block;
    font-family: var(--font-title);
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 12px 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
    border-radius: 4px;
    margin-top: 10px;
    text-shadow: 0 0 3px var(--glow-color);
}

.tw-button:hover:not(:disabled) {
    background-color: var(--primary-color);
    color: var(--background-color);
    box-shadow: 0 0 15px var(--glow-color), 0 0 25px var(--glow-color);
}

.tw-button:disabled {
    border-color: var(--text-muted-color);
    color: var(--text-muted-color);
    cursor: not-allowed;
    text-shadow: none;
}

.tw-console-output {
    background-color: rgba(0,0,0,0.3);
    border: 1px solid rgba(var(--primary-color-rgb, 0, 242, 255), 0.2); /* Use RGB for opacity on border */
    padding: 15px;
    margin-top: 20px;
    min-height: 80px;
    max-height: 200px; /* Prevent it from growing too large */
    overflow-y: auto;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace; /* Monospace for console feel */
    font-size: 0.9rem;
}
/* For console scrolling effect */
.tw-console-output p {
    margin-bottom: 5px;
    word-break: break-all; /* Prevent long strings from breaking layout */
}
.tw-console-output p:last-child {
    margin-bottom: 0;
}

/* --- Specific Stage Elements --- */
#tw-anchor-status {
    font-size: 1rem;
    color: var(--text-color);
    margin-bottom: 15px;
}
#tw-anchors-activated-count {
    font-weight: bold;
    color: var(--primary-color);
}

#tw-focus-charge-container {
    width: 100%;
    height: 30px;
    background-color: rgba(0,0,0,0.4);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 10px;
    overflow: hidden; /* To contain the charge bar */
}

#tw-focus-charge-bar {
    width: 0%; /* Controlled by JS */
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    box-shadow: 0 0 10px var(--glow-color), 0 0 5px var(--glow-color-secondary) inset;
    transition: width 0.2s linear; /* Smooth charge animation */
}

#tw-resonance-stability {
    font-weight: bold;
    color: var(--primary-color);
}

#tw-countdown-timer {
    font-family: var(--font-title);
    font-size: 2rem;
    color: var(--primary-color);
    text-align: center;
    margin-top: 20px;
    text-shadow: 0 0 10px var(--glow-color);
}


/* --- Footer --- */
.tw-footer {
    text-align: center;
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    width: 100%;
    max-width: 1200px;
}

.tw-footer p {
    font-size: 0.8rem;
    color: var(--text-muted-color);
    margin-bottom: 5px;
}
.tw-footer p:first-child {
    font-family: var(--font-text);
    font-weight: 600;
}


/* --- Responsive Adjustments --- */
@media (max-width: 900px) {
    .tw-main-content {
        flex-direction: column; /* Stack visualizer and panel */
        align-items: center;
    }

    #tw-tesseract-visualization {
        min-height: 300px; /* Reduce height on smaller screens */
        width: 100%;
        margin-bottom: 30px;
    }
    :root {
        --tesseract-size: 160px; /* Smaller tesseract */
        --node-size: 15px;
    }

    #tw-interaction-panel {
        width: 100%;
        max-width: 500px; /* Limit width of panel */
        max-height: none; /* Allow it to grow taller */
    }

    .tw-header h1 {
        font-size: 2.2rem;
    }
    .tw-header .tw-subtitle {
        font-size: 1rem;
    }
}

@media (max-width: 600px) {
    body {
        padding: 10px; /* Add some padding to body on small screens */
    }
    #tw-app-container {
        padding: 10px;
    }
    .tw-header h1 {
        font-size: 1.8rem;
    }
    #tw-interaction-panel h2 {
        font-size: 1.4rem;
    }
    .tw-button {
        padding: 10px 20px;
        font-size: 0.8rem;
        width: 100%; /* Full width buttons on small screens */
        margin-bottom: 10px;
    }
    :root {
        --tesseract-size: 120px;
    }
    #tw-tesseract-visualization {
        min-height: 250px;
    }
    .tw-footer p {
        font-size: 0.7rem;
    }
}

/* Helper for JS: to use CSS variables in JS easily */
body::before {
    content: '--primary-color-rgb: ' get-css-variable-value(--primary-color); /* Example for JS to parse if needed */
    display: none;
}

/* This technique of getting RGB from hex/named color is tricky in pure CSS.
   If JS needs RGB values from CSS vars, it's easier for JS to compute them after reading the var.
   The above is more a placeholder concept.
   I've updated the console output border to use rgba directly with the color values.
*/
:root {
    /* Define RGB components for colors if needed for complex RGBA opacity later, e.g., in JS or for specific properties */
    /* For example, if --primary-color is #00f2ff */
    --primary-color-r: 0;
    --primary-color-g: 242;
    --primary-color-b: 255;
}
/* Example usage for border with opacity:
   border: 1px solid rgba(var(--primary-color-r), var(--primary-color-g), var(--primary-color-b), 0.2);
*/
/* Updated console output border to use this concept: */
.tw-console-output {
    border: 1px solid rgba(var(--primary-color-r), var(--primary-color-g), var(--primary-color-b), 0.2);
}