/* --- Base & Cosmic Setup --- */
:root {
    --deep-purple: #4A00E0;  /* A true, deep violet */
    --mid-purple: #8E2DE2;   /* A brighter, energetic purple */
    --vibrant-turquoise: #00C9A7; /* Bright, almost neon turquoise */
    --cyan-flash: #00E5FF;
    --hot-pink: #FF007F;
    --dark-nebula: #1A0B2E; /* Very dark purple for depth */
    --text-glow: #E0E0E0;
    --text-primary: #F0F0F0;
    --accent-glow: var(--vibrant-turquoise);

    --font-primary: 'Rajdhani', sans-serif;
    --font-accent: 'Orbitron', sans-serif;
}

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

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--deep-purple) 0%, var(--mid-purple) 50%, var(--vibrant-turquoise) 100%);
    background-size: 400% 400%;
    animation: gradientShift 20s ease infinite;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start; /* Align to top to see scroll */
    padding: 40px 20px;
    overflow-x: hidden; /* Prevent horizontal scroll from shadows */
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.aurora-container {
    width: 100%;
    max-width: 900px;
    background: rgba(10, 5, 20, 0.6); /* Dark, semi-transparent base */
    border: 2px solid var(--vibrant-turquoise);
    border-image: linear-gradient(to right, var(--vibrant-turquoise), var(--hot-pink)) 1;
    box-shadow: 0 0 25px var(--vibrant-turquoise), 0 0 40px var(--mid-purple) inset;
    padding: 30px;
    border-radius: 20px;
    backdrop-filter: blur(10px) saturate(150%); /* Glassmorphism effect */
}

/* --- Header Styling --- */
.tool-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative; /* For pseudo-elements */
}

.tool-header h1 {
    font-family: var(--font-accent);
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: transparent; /* Hide original text */
    position: relative; /* For pseudo elements if needed later */
}

.tool-header h1 .glitch, .tool-header h1 .flux {
    display: inline-block; /* Allows transform */
    position: relative; /* Crucial for pseudo-elements */
}

.tool-header h1 .glitch::before, .tool-header h1 .glitch::after,
.tool-header h1 .flux::before, .tool-header h1 .flux::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    clip: rect(auto, auto, auto, auto); /* Allows sections to be hidden */
}

/* Glitch Effect for "PROMPT" */
.tool-header h1 .glitch {
    color: var(--text-glow);
    text-shadow: 0 0 5px var(--text-glow), 0 0 10px var(--cyan-flash), 0 0 15px var(--cyan-flash);
}
.tool-header h1 .glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--hot-pink);
    animation: glitch-anim-1 3s infinite linear alternate-reverse;
}
.tool-header h1 .glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--vibrant-turquoise), 2px 2px var(--hot-pink);
    animation: glitch-anim-2 2.5s infinite linear alternate-reverse;
}

/* Flux/Wave Effect for "NEBULA" */
.tool-header h1 .flux {
    color: var(--text-glow);
    animation: flux-text-color 5s infinite alternate;
}
@keyframes flux-text-color {
    0% { text-shadow: 0 0 5px var(--text-glow), 0 0 10px var(--vibrant-turquoise), 0 0 15px var(--vibrant-turquoise); }
    50% { text-shadow: 0 0 5px var(--text-glow), 0 0 10px var(--mid-purple), 0 0 15px var(--mid-purple); }
    100% { text-shadow: 0 0 5px var(--text-glow), 0 0 10px var(--hot-pink), 0 0 15px var(--hot-pink); }
}


@keyframes glitch-anim-1 {
    0% { clip: rect(25px, 9999px, 89px, 0); transform: skew(0.3deg); }
    20% { clip: rect(33px, 9999px, 71px, 0); transform: skew(0.1deg); }
    40% { clip: rect(57px, 9999px, 55px, 0); transform: skew(0.5deg); }
    60% { clip: rect(18px, 9999px, 92px, 0); transform: skew(0.2deg); }
    80% { clip: rect(40px, 9999px, 60px, 0); transform: skew(0.4deg); }
    100% { clip: rect(72px, 9999px, 40px, 0); transform: skew(0.1deg); }
}

@keyframes glitch-anim-2 {
    0% { clip: rect(68px, 9999px, 101px, 0); transform: skew(0.2deg); }
    20% { clip: rect(10px, 9999px, 70px, 0); transform: skew(0.4deg); }
    40% { clip: rect(82px, 9999px, 33px, 0); transform: skew(0.1deg); }
    60% { clip: rect(23px, 9999px, 43px, 0); transform: skew(0.5deg); }
    80% { clip: rect(78px, 9999px, 53px, 0); transform: skew(0.3deg); }
    100% { clip: rect(42px, 9999px, 98px, 0); transform: skew(0.1deg); }
}


.tool-header .subtitle {
    font-size: 1.2rem;
    color: var(--text-glow);
    font-style: italic;
    text-shadow: 0 0 8px var(--mid-purple);
}

/* --- Core Tool Elements --- */
.tool-core {
    display: grid;
    grid-template-columns: 1fr; /* Will change for wider screens */
    gap: 30px;
}

/* --- Input Sanctum --- */
.input-sanctum h2, .output-dimension h2 {
    font-family: var(--font-accent);
    font-size: 1.8rem;
    color: var(--vibrant-turquoise);
    text-shadow: 0 0 5px var(--vibrant-turquoise), 0 0 10px var(--vibrant-turquoise);
    margin-bottom: 20px;
    border-bottom: 2px solid;
    padding-bottom: 10px;
    border-image: linear-gradient(to right, var(--hot-pink), var(--vibrant-turquoise)) 1;
    display: flex;
    align-items: center;
}
.input-sanctum h2 .icon, .output-dimension h2 .icon {
    margin-right: 10px;
    font-size: 1.5em;
    animation: pulse-icon 2s infinite;
}
@keyframes pulse-icon {
    0%, 100% { transform: scale(1); opacity: 1;}
    50% { transform: scale(1.2); opacity: 0.7;}
}


#prompt-input {
    width: 100%;
    min-height: 150px;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--mid-purple);
    border-radius: 8px;
    padding: 15px;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--text-primary);
    resize: vertical;
    box-shadow: 0 0 10px rgba(142, 45, 226, 0.3) inset; /* Mid-purple inner glow */
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

#prompt-input:focus {
    outline: none;
    border-color: var(--cyan-flash);
    box-shadow: 0 0 15px var(--cyan-flash), 0 0 10px rgba(0, 229, 255, 0.5) inset;
}

#prompt-input::placeholder {
    color: rgba(240, 240, 240, 0.5);
    font-style: italic;
}

.controls {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

/* --- 3D Button --- */
.action-button {
    position: relative;
    border: none;
    background: transparent; /* The front face provides background */
    padding: 0; /* Padding is handled by the front face */
    cursor: pointer;
    outline-offset: 4px;
    transform-style: preserve-3d; /* Critical for 3D effect */
    transition: transform 0.15s cubic-bezier(0, 0, 0.58, 1);
    font-family: var(--font-accent);
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.action-button .button-text { display: none; } /* Hide original text if using only pseudo elements */

.action-button .button-shadow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: hsla(0, 0%, 0%, 0.3);
    border-radius: 12px;
    transform: translateY(2px) translateZ(-2px); /* Push shadow back and down */
    filter: blur(4px);
    transition: transform 0.15s cubic-bezier(0, 0, 0.58, 1);
}

.action-button .button-edge {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 12px;
    background: linear-gradient(
        to left,
        hsl(230, 80%, 40%) 0%, /* Darker edge */
        hsl(230, 80%, 60%) 8%,
        hsl(230, 80%, 60%) 92%,
        hsl(230, 80%, 40%) 100%
    );
    transform: translateY(4px) translateZ(-1px); /* Edge depth */
}

.action-button .button-front {
    display: block;
    position: relative;
    padding: 12px 32px;
    border-radius: 12px;
    font-size: 1.25rem;
    color: white;
    background: linear-gradient(135deg, var(--hot-pink), var(--mid-purple));
    transform: translateY(0px) translateZ(1px); /* Front face */
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    transition: transform 0.15s cubic-bezier(0, 0, 0.58, 1), background 0.2s ease;
}

.action-button:hover .button-front {
    transform: translateY(-2px) translateZ(1px); /* Lift button slightly */
    background: linear-gradient(135deg, var(--cyan-flash), var(--vibrant-turquoise));
}
.action-button:hover .button-shadow {
    transform: translateY(4px) translateZ(-2px); /* Push shadow further on hover */
}

.action-button:active .button-front {
    transform: translateY(2px) translateZ(1px); /* Push button down */
    transition-duration: 0.1s;
}
.action-button:active .button-shadow {
    transform: translateY(1px) translateZ(-2px);
    transition-duration: 0.1s;
}


/* --- Output Dimension --- */
.output-dimension {
    margin-top: 20px; /* Space above if inputs are stacked */
}

.result-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--mid-purple);
    border-left: 5px solid var(--vibrant-turquoise);
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 0 8px 8px 0;
    box-shadow: 5px 5px 15px rgba(0,0,0,0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.result-card:hover {
    transform: translateX(5px) scale(1.02);
    box-shadow: 8px 8px 20px rgba(0, 201, 167, 0.3);
}

.result-card h3 {
    font-family: var(--font-accent);
    color: var(--vibrant-turquoise);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.result-card .refined-prompt {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-glow);
    white-space: pre-wrap; /* Preserve formatting */
}
.result-card .refined-prompt strong {
    color: var(--hot-pink);
    font-weight: 700;
}

.result-card.placeholder {
    border-left-color: var(--mid-purple);
    text-align: center;
}
.result-card.placeholder h3 {
    color: var(--mid-purple);
    opacity: 0.7;
}

.loading-pulsar {
    width: 50px;
    height: 50px;
    margin: 20px auto;
    border-radius: 50%;
    background: var(--vibrant-turquoise);
    animation: pulsar-anim 1.5s infinite ease-in-out;
    box-shadow: 0 0 10px var(--vibrant-turquoise), 0 0 20px var(--vibrant-turquoise), 0 0 30px var(--cyan-flash);
}

@keyframes pulsar-anim {
    0% {
        transform: scale(0.8);
        opacity: 0.7;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
    }
    100% {
        transform: scale(0.8);
        opacity: 0.7;
    }
}

/* --- Footer --- */
.tool-footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px dashed rgba(224, 224, 224, 0.3);
}
.tool-footer p {
    font-size: 0.9rem;
    color: rgba(240, 240, 240, 0.7);
    font-style: italic;
}

/* --- Responsive Adjustments --- */
@media (min-width: 768px) {
    .tool-core {
        grid-template-columns: 1fr 1fr; /* Side-by-side layout for larger screens */
        gap: 40px;
    }
    .output-dimension {
        margin-top: 0; /* No top margin when side-by-side */
    }
    .tool-header h1 {
        font-size: 4.5rem;
    }
}

@media (max-width: 600px) {
    body { padding: 20px 10px; }
    .aurora-container { padding: 20px; }
    .tool-header h1 { font-size: 2.5rem; }
    .tool-header .subtitle { font-size: 1rem; }
    .input-sanctum h2, .output-dimension h2 { font-size: 1.5rem; }
    .action-button .button-front { font-size: 1rem; padding: 10px 24px; }
}