/* --- NEON TERMINAL STYLE ENHANCED --- */
:root {
    /* Color Palette & Glows */
    --bg: #0a0a0a; /* Slightly darker bg for more contrast */
    --text: #c0e0d0; /* Softer green for general text, less fatiguing */
    --text-bright: #e0ffe8; /* For highlights and important text */
    --accent: #00ff99; /* Pure, vibrant green for strong neon */
    --accent-medium: #00cc7a; /* A slightly softer version for borders, secondary effects */
    --accent-dark: #00995c; /* For darker shades or subtle glows */
    --accent-hover: #33ffaa; /* Brighter for hover states */

    /* Pre-defined Glow Effects */
    --accent-glow-soft: 0 0 2px var(--accent-medium), 0 0 5px var(--accent-medium), 0 0 10px var(--accent-dark);
    --accent-glow-intense: 0 0 3px var(--accent), 0 0 8px var(--accent), 0 0 15px var(--accent), 0 0 25px var(--accent-dark);
    --accent-hover-glow: 0 0 5px var(--accent-hover), 0 0 10px var(--accent-hover), 0 0 20px var(--accent-hover), 0 0 30px var(--accent-medium);

    /* UI Elements */
    --card-bg: #0f0f0f;
    --card-border: #282828; /* Slightly more visible border */
    --card-border-accent: var(--accent-medium);
    --scrollbar: var(--accent-dark);
    --scrollbar-thumb: var(--accent-medium);
    --danger: #ff3860;
    --danger-glow: 0 0 5px var(--danger), 0 0 10px var(--danger);

    /* Typography */
    --font-primary: 'Inter', 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Fira Code', 'Victor Mono', 'Consolas', 'Courier New', monospace; /* Prioritize coding fonts with ligatures */

    /* Sizing & Transitions */
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 16px;
    --transition-fast: 0.2s ease-out;
    --transition-medium: 0.3s ease-out;
}

/* Subtle animated scanlines for the background */
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0;
    width: 100vw;
    height: 100vh;
    background-image: repeating-linear-gradient(
        transparent,
        transparent 2px,
        rgba(0, 35, 15, 0.07) 2px, /* Very subtle dark green scanlines */
        rgba(0, 35, 15, 0.07) 3px
    );
    animation: subtleScanline 25s linear infinite;
    z-index: -1; /* Behind everything */
    pointer-events: none;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    overflow-x: hidden;
}

.logo-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 2rem 0;
    background-color: rgba(13, 13, 13, 0.8); /* Semi-transparent to show scanlines through */
    backdrop-filter: blur(5px); /* Frosted glass effect */
    border-bottom: 1px solid var(--accent-dark); /* Accent border */
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4), 0 0 15px var(--accent-dark); /* Deeper shadow */
    width: 100%;
    position: sticky; /* Sticky header */
    top: 0;
    z-index: 500; /* Ensure it's above other content that might scroll under */
}

.logo-stack {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    height: 180px; /* Adjusted size */
    width: auto;
    filter: drop-shadow(var(--accent-glow-intense));
    transition: filter var(--transition-medium);
}
.logo-img:hover {
    filter: drop-shadow(var(--accent-hover-glow));
}

.tagline {
    color: var(--accent);
    font-size: 2rem; /* Slightly larger */
    font-weight: 700; /* Bolder */
    text-shadow: var(--accent-glow-intense);
    margin: 0;
    text-align: left;
    animation: textFlicker 6s infinite alternate ease-in-out; /* Subtle flicker */
}

.container {
    padding: 2.5rem;
    width: 100%;
    max-width: 1400px;
    margin: auto;
    animation: fadeIn 0.7s var(--transition-medium) forwards; /* Ensure it stays at 'to' state */
}

.upload-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: 0 0 20px rgba(0,0,0,0.5), inset 0 0 10px rgba(0,0,0,0.3); /* Inner shadow for depth */
    position: relative; /* Needed for ::after positioning and stacking context */
    overflow: hidden; 
}

/* Animated gradient border ("spinning box") */
/* static/styles.css */

/* ... other styles ... */

/* Animated gradient border ("spinning box") */
.upload-section::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: inherit;
    padding: 1px; /* For "line drawing" effect */ 
    background: conic-gradient(from 0deg at 50% 50%, var(--accent-dark), var(--accent) 30%, var(--accent) 70%, var(--accent-dark));
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor; /* For Safari/Chrome */
    /* MODIFICATION: Animation removed from default state */
    animation: rotateGradient 10s linear infinite; 
    opacity: .10; /* MODIFICATION: Slightly less opaque when still */
    transition: opacity var(--transition-medium);
    /* z-index: auto; (default) */
}

/* MODIFICATION: Apply animation and full opacity when .is-processing class is present */
.upload-section.is-processing::after {
    animation: rotateGradient 10s linear infinite;
    opacity: .10; /* Or your preferred opacity during animation, e.g., 0.6 or 1 */
}

.upload-section:hover::after {
    opacity: .9; /* Keep full opacity on hover, regardless of animation state */
}

/* ... rest of your styles ... */
.upload-section:hover::after {
    opacity: .10;
}

/* MODIFIED: Ensure content inside .upload-section is on top of the ::after pseudo-element */
.upload-section > .upload-form,
.upload-section > #file-count,
.upload-section > .button-group,
.upload-section > #processing-status {
    position: relative; /* Allows z-index to apply */
    z-index: 1;         /* Places these elements above the ::after pseudo-element */
}

.upload-form {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.upload-label {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    border: 2px dashed var(--accent-medium);
    border-radius: var(--border-radius-md);
    color: var(--accent);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), text-shadow var(--transition-fast);
    text-shadow: 0 0 3px var(--accent-dark);
    font-weight: 500;
    flex-grow: 1; 
}
.upload-label:hover {
    background: var(--accent-medium);
    color: var(--bg);
    border-style: solid; 
    border-color: var(--accent);
    text-shadow: 0 0 5px rgba(0,0,0,0.5);
}
.upload-label i { /* If using an icon font */
    transition: transform var(--transition-fast);
}
.upload-label:hover i {
    transform: scale(1.15) rotate(-8deg);
}
.upload-label input[type="file"] {
    display: none; 
}

.button {
    background: var(--accent);
    color: var(--bg);
    border: 1px solid var(--accent);
    padding: 0.8rem 1.6rem; 
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: background var(--transition-medium), color var(--transition-medium), box-shadow var(--transition-medium), transform var(--transition-fast);
    box-shadow: var(--accent-glow-soft), 0 3px 7px rgba(0,0,0,0.3);
    text-transform: uppercase;
    letter-spacing: 0.8px; 
}
.button:hover, .button:focus {
    background: var(--accent-hover);
    color: var(--bg);
    box-shadow: var(--accent-hover-glow), 0 5px 12px rgba(0,0,0,0.4);
    transform: translateY(-3px) scale(1.03);
    outline: none;
}
.button:active {
    transform: translateY(0px) scale(0.97);
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.3), var(--accent-glow-soft);
}

.button.secondary {
    background: transparent;
    border: 1px solid var(--accent-medium);
    color: var(--accent);
}
.button.secondary:hover, .button.secondary:focus {
    background: var(--accent-medium);
    color: var(--bg);
    border-color: var(--accent);
}

.button-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem; 
}

.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem; 
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: 0 0 12px rgba(0,0,0,0.7), 0 0 4px var(--accent-dark);
    transition: box-shadow var(--transition-medium), transform var(--transition-medium), border-color var(--transition-medium);
    position: relative;
    overflow: hidden; 
    display: flex; 
    flex-direction: column; 
}
.card::before { /* Neon accent bar at the top */
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 5px;
    background: var(--accent-medium);
    box-shadow: var(--accent-glow-soft);
    opacity: 0.6;
    transition: opacity var(--transition-medium), background-color var(--transition-medium), height var(--transition-medium), box-shadow var(--transition-medium), transform var(--transition-medium);
    transform-origin: center;
    transform: scaleX(0.3); 
}
.card:hover {
    box-shadow: 0 0 25px rgba(0,0,0,0.5), var(--accent-glow-intense);
    transform: translateY(-7px) scale(1.02);
    border-color: var(--card-border-accent);
}
.card:hover::before {
    opacity: 1;
    background: var(--accent);
    box-shadow: var(--accent-hover-glow);
    transform: scaleX(1);
}

.card h3 {
    color: var(--accent);
    margin-top: 0;
    margin-bottom: 1rem;
    text-shadow: var(--accent-glow-soft);
    word-break: break-all; 
}
.card .section {
    margin-bottom: 1rem;
}
.card .section h4 {
    color: var(--accent-medium);
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.card .section p, .card .section pre {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text);
}
.card .section pre {
    white-space: pre-wrap;
    word-break: break-word;
    background-color: rgba(0,0,0,0.2);
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--card-border);
    max-height: 200px; 
    overflow-y: auto;
}
.card .error {
    color: var(--danger);
    font-weight: bold;
    text-shadow: 0 0 5px var(--danger);
}
.card .meta {
    font-size: 0.8em;
    color: var(--accent-dark);
    margin-top: auto; 
    padding-top: 0.5rem;
}

.all-text-section {
    margin-top: 3.5rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    position: relative; 
}
.all-text-section h2 {
    margin-top: 0;
    color: var(--accent);
    text-shadow: var(--accent-glow-intense);
    font-size: 1.9rem;
    border-bottom: 1px solid var(--accent-dark);
    padding-bottom: 0.75rem;
    margin-bottom: 1.5rem;
}
.all-text-section h2::before { 
    content: "$ "; 
    opacity: 0.7;
    font-weight: normal;
}

.scrollable {
    max-height: 400px; 
    font-size: 0.95rem;
    overflow-y: auto;
    background: #030303; 
    padding: 1.5rem;
    border-radius: var(--border-radius-md);
    font-family: var(--font-mono);
    color: var(--text-bright);
    border: 1px solid var(--card-border-accent);
    width: 100%;
    box-sizing: border-box;
    white-space: pre-wrap;
    word-break: break-word;
    box-shadow: inset 0 0 15px rgba(0,0,0,0.6), 0 0 8px var(--accent-dark);
    position: relative;
}

/* Custom Scrollbar Styling */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}
::-webkit-scrollbar-track {
    background: var(--bg);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--card-border);
}
::-webkit-scrollbar-thumb {
    background-color: var(--scrollbar-thumb);
    border-radius: var(--border-radius-sm);
    border: 2px solid var(--bg); 
    box-shadow: 0 0 5px var(--scrollbar-thumb);
}
::-webkit-scrollbar-thumb:hover {
    background-color: var(--accent);
    box-shadow: var(--accent-glow-intense);
}
::-webkit-scrollbar-corner {
    background: transparent;
}

/* Keyframe Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes textFlicker { 
    0%, 100% { opacity: 1; text-shadow: var(--accent-glow-intense); }
    15% { opacity: 0.95; text-shadow: var(--accent-glow-soft); }
    30% { opacity: 1; text-shadow: var(--accent-glow-intense); }
    45% { opacity: 0.9; text-shadow: var(--accent-glow-soft); }
    60% { opacity: 1; text-shadow: var(--accent-glow-intense); }
}

@keyframes subtleScanline {
  0% { background-position-y: 0px; }
  100% { background-position-y: 40px; } 
}

@keyframes rotateGradient {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes blink { /* For optional cursor */
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Optional CRT Grid Overlay Class */
.crt-grid-overlay {
    position: relative;
}
.crt-grid-overlay::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image:
        linear-gradient(rgba(0, 255, 150, 0.05) 1px, transparent 1px), /* Horizontal lines */
        linear-gradient(90deg, rgba(0, 255, 150, 0.05) 1px, transparent 1px); /* Vertical lines */
    background-size: 25px 25px; 
    pointer-events: none; 
    z-index: 1; 
    opacity: 0.7;
}

/* General Link Styling */
a {
    color: var(--accent);
    text-decoration: none;
    text-shadow: 0 0 4px var(--accent-dark);
    transition: color var(--transition-fast), text-shadow var(--transition-fast), text-decoration var(--transition-fast);
}
a:hover, a:focus {
    color: var(--accent-hover);
    text-decoration: underline;
    text-decoration-style: dashed;
    text-underline-offset: 3px;
    text-shadow: var(--accent-hover-glow);
    outline: none;
}

/* Utility class for elements that should have a command-line input look */
.terminal-input-text {
    font-family: var(--font-mono);
    color: var(--accent);
    text-shadow: var(--accent-glow-soft);
    display: inline-block; 
}
.terminal-input-text::before {
    content: ">> "; 
    opacity: 0.8;
    margin-right: 0.25em;
}