/* 
 * ================================================================
 *   Computer Organization (COA) / PAL Lab - Styles
 * ================================================================
 *   Author: Amey Thakur
 *   GitHub: https://github.com/Amey-Thakur
 *   Course: COA & Processor Architecture Lab
 *   Roll No: 50
 *   Batch: B3
 *   License: CC BY 4.0
 * ================================================================
 */


/* 
 * =========================================
 *   THEME & BASE VARIABLES
 * =========================================
 */
html {
    scroll-behavior: smooth;
}

:root {
    /* Light Mode Variables */
    --bg-color: #f4f6f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --card-bg: #ffffff;
    --accent-color: #2563eb;
    /* Processor Blue 600 */
    --accent-hover: #1d4ed8;
    /* Processor Blue 700 */
    --border-color: #e2e8f0;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --header-gradient: linear-gradient(135deg, #ffffff 0%, #dbeafe 100%);
    /* Blue Tint */
    --badge-bg: #eff6ff;
    /* Blue 50 */
    --badge-text: #2563eb;
    --content-glass: rgba(255, 255, 255, 0.4);

    /* Secondary Accent for Warnings/Important */
    --accent-secondary: #f59e0b;
    /* Amber */
}

[data-theme="dark"] {
    /* Soft Dark Theme - Better for eyes */
    --bg-color: #0f172a;
    /* Slate 950 */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --card-bg: #1e293b;
    /* Slate 800 */
    --accent-color: #3b82f6;
    /* Blue 500 - Brighter for Dark Mode */
    --accent-hover: #60a5fa;
    /* Blue 400 */
    --border-color: #334155;
    /* Slate 700 */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --header-gradient: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    --badge-bg: #172554;
    /* Blue 950 */
    --badge-text: #60a5fa;
    --footer-border: #1e293b;
    --content-glass: rgba(15, 23, 42, 0.5);

    /* Prism Dark Mode Overrides */
    --prism-bg: #1c1917;
    --prism-text: #d6d3d1;
    --prism-comment: #65a30d;
    --prism-keyword: #38bdf8;
    --prism-string: #fb923c;
    --prism-number: #facc15;
    --prism-function: #a78bfa;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Poppins', sans-serif;
    transition: background-color 0.8s ease, color 0.8s ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

input,
textarea,
.form-control,
#booths-output {
    user-select: auto !important;
    -webkit-user-select: auto !important;
}

/* Back to Top Button */
#btn-back-to-top {
    position: fixed;
    bottom: 25px;
    right: 25px;
    display: none;
    z-index: 100;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    background: var(--accent-color);
    color: white;
    border: none;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

#btn-back-to-top:hover {
    transform: translateY(-5px);
    background: var(--accent-hover);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

h5 {
    font-family: 'Playfair Display', serif;
    color: var(--text-primary) !important;
    transition: color 0.3s ease;
}

/* Section Title */
.section-title {
    display: flex;
    align-items: center;
    margin-top: 50px;
    margin-bottom: 40px;
    animation: fadeIn 1s ease-out;
}

.section-title h3 {
    font-weight: 700;
    margin-right: 20px;
    white-space: nowrap;
    color: var(--text-primary) !important;
    font-size: 2.2rem;
    line-height: 1;
}

.section-title p {
    font-size: 0.95rem;
    line-height: 1.1;
    color: var(--text-secondary);
    margin-right: 20px;
    margin-bottom: 0 !important;
    font-weight: 500;
}

.section-title::after {
    content: '';
    width: 100%;
    height: 2px;
    background: var(--border-color);
    border-radius: 2px;
}

section {
    margin-top: 50px;
    margin-bottom: 50px;
}

.main-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
    flex: 1 0 auto;
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(-45deg, #ffffff, #eff6ff, #dbeafe, #f8fafc);
    /* Blue Tints */
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite, fadeInDown 0.8s ease-out;
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .hero {
    background: linear-gradient(-45deg, #0f172a, #1e293b, #172554, #0f172a);
    /* Dark Blue Tints */
    background-size: 400% 400%;
}

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

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-5px);
    }

    60% {
        transform: translateY(-3px);
    }
}

@keyframes heartBeat {
    0% {
        transform: scale(1);
    }

    14% {
        transform: scale(1.3);
    }

    28% {
        transform: scale(1);
    }

    42% {
        transform: scale(1.3);
    }

    70% {
        transform: scale(1);
    }
}

.heart-beat {
    animation: heartBeat 1.5s infinite;
}

/* --- Top Controls --- */
.top-controls {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    gap: 12px;
}

.control-btn {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.3);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #1e293b;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .control-btn {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #f8fafc;
}

.control-btn:hover {
    transform: translateY(-2px);
    background: var(--accent-color);
    color: white !important;
    border-color: transparent;
}

/* --- Hero Buttons --- */
.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 20px;
}

.btn-primary-custom {
    background: #2563eb !important;
    color: #ffffff !important;
    border: none;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    text-decoration: none;
}

.btn-primary-custom:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
    background: #1d4ed8 !important;
    color: #ffffff !important;
}



.btn-secondary-custom {
    background: var(--card-bg) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
}

.btn-secondary-custom:hover {
    background: var(--accent-color) !important;
    color: #ffffff !important;
    border-color: var(--accent-color) !important;
}

/* Badges */
.badge-pill {
    background: var(--badge-bg);
    color: var(--badge-text);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    white-space: nowrap;
}

.clickable-badge {
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.clickable-badge:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
    background: var(--accent-color) !important;
    color: #fff !important;
    border-color: var(--accent-color) !important;
}

/* Stats Counter */
.stats-container {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    opacity: 0;
    animation: fadeInDown 0.5s ease forwards;
}

.stat-item:nth-child(1) {
    animation-delay: 0.2s;
}

.stat-item:nth-child(2) {
    animation-delay: 0.4s;
}

.stat-item:nth-child(3) {
    animation-delay: 0.6s;
}

.stat-item:nth-child(4) {
    animation-delay: 0.8s;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(120deg, var(--accent-color), #06b6d4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Hero H1 Styling */
.hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-color), #06b6d4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 15px;
    line-height: 1.2;
}

.hero p {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto 20px;
    line-height: 1.6;
}


/* Cards */
.card-custom {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.card-custom:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-color);
}

.icon-wrapper {
    width: 48px;
    height: 48px;
    background: var(--badge-bg);
    color: var(--accent-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
    transition: transform 0.3s ease;
}

.card-custom:hover .icon-wrapper {
    transform: scale(1.1) rotate(5deg);
}

.exp-tag {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 1.5px;
    margin-bottom: 8px;
    display: block;
}

.badge-tech {
    background: var(--bg-color);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.card-custom:hover .badge-tech {
    background: var(--badge-bg);
    color: var(--badge-text);
    border-color: var(--badge-bg);
}

.badge-tech:hover {
    background: var(--accent-color) !important;
    color: white !important;
    border-color: var(--accent-color) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

/* Custom Tooltips for Badges */
.badge[data-tooltip] {
    position: relative;
    cursor: help;
}

.badge[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
    z-index: 1000;
    font-weight: 500;
}

.badge[data-tooltip]::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(0px);
    border: 6px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.9);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
    z-index: 1001;
}

.badge[data-tooltip]:hover::after,
.badge[data-tooltip]:hover::before {
    opacity: 1;
    transform: translateX(-50%) translateY(-12px);
}

.launch-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    transition: gap 0.2s;
    gap: 4px;
}

.launch-link:hover {
    gap: 8px;
}

/* Resource List */
.resource-list {
    margin-top: 20px;
}

.resource-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 12px;
    transition: all 0.2s;
    color: var(--text-primary);
}

.resource-item:hover {
    border-color: var(--accent-color);
    transform: translateX(5px);
    box-shadow: var(--shadow-sm);
}

.text-primary-theme {
    color: var(--text-primary) !important;
}

/* Profile Card */
.profile-card {
    text-align: center;
    padding: 30px;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.profile-img-wrapper {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    position: relative;
    border-radius: 50%;
    overflow: hidden;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--accent-color);
    padding: 3px;
    background: var(--card-bg);
}

.profile-name {
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.profile-role {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

/* 3D Flip Badge */
.award-scene {
    perspective: 1000px;
    cursor: pointer;
}

.award-badge-card {
    position: relative;
    width: 400px;
    height: 50px;
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.award-badge-card.flipped {
    transform: rotateX(180deg);
}

.award-badge-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.award-front {
    z-index: 2;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.award-back {
    transform: rotateX(180deg);
    box-shadow: 0 10px 20px -5px rgba(37, 99, 235, 0.4);
}

.award-scene:hover .award-badge-card {
    transform: translateY(-5px);
}

/* Terminal Frame */
.terminal-frame {
    background: #1e1e1e;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid #333;
    font-family: 'JetBrains Mono', monospace;
    text-align: left;
    margin-top: 20px;
}

.terminal-header {
    background: #2d2d2d;
    height: 32px;
    padding: 0 12px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #333;
}

.terminal-dots {
    display: flex;
    gap: 8px;
    margin-right: 12px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.close {
    background: #ff5f56;
}

.minimize {
    background: #ffbd2e;
}

.maximize {
    background: #27c93f;
}

.terminal-title {
    color: #cecece;
    font-size: 13px;
    flex-grow: 1;
    text-align: center;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-weight: 400;
}

#booths-output::-webkit-scrollbar {
    width: 8px;
}

#booths-output::-webkit-scrollbar-track {
    background: #1e1e1e;
}

#booths-output::-webkit-scrollbar-thumb {
    background: #424242;
    border-radius: 10px;
    border: 2px solid #1e1e1e;
}

#booths-output::-webkit-scrollbar-thumb:hover {
    background: #525252;
}

.terminal-body {
    padding: 15px;
    color: #d4d4d4;
    font-size: 0.85rem;
    height: 280px;
    /* Fixed height for stability */
    overflow-y: auto;
}

.terminal-line {
    margin-bottom: 4px;
}

.prompt {
    color: var(--accent-color);
    font-weight: bold;
}

/* Terminal Blue */
.command-text {
    color: #d4d4d4;
}

.output {
    color: #a3a3a3;
    margin-left: 0;
}

.output.success {
    color: #4ade80;
}

.output.error {
    color: #f87171;
}

.cursor {
    animation: blink 1s step-end infinite;
}

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

/* Footer */
.footer {
    padding: 30px 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    margin-top: 60px;
}

.footer a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

/* Animations */
.reveal,
.reveal-left,
.reveal-right {
    opacity: 0;
    transition: all 0.8s ease-out;
}

.reveal {
    transform: translateY(30px);
}

.reveal-left {
    transform: translateX(-30px);
}

.reveal-right {
    transform: translateX(30px);
}

.reveal.active {
    transform: translateY(0);
    opacity: 1;
}

.reveal-left.active {
    transform: translateX(0);
    opacity: 1;
}

.reveal-right.active {
    transform: translateX(0);
    opacity: 1;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Command Palette */
.cmd-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 10000;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 15vh;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.cmd-overlay.active {
    display: flex;
    opacity: 1;
}

.cmd-modal {
    width: 100%;
    max-width: 600px;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transform: scale(0.95);
    transition: transform 0.2s ease;
}

.cmd-overlay.active .cmd-modal {
    transform: scale(1);
}

.cmd-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.cmd-header i {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

#cmd-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 1.1rem;
    color: var(--text-primary);
    outline: none;
    font-family: 'Poppins', sans-serif;
}

.cmd-esc kbd {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.cmd-body {
    max-height: 400px;
    overflow-y: auto;
    padding: 8px;
}

.cmd-item {
    padding: 10px 12px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    color: var(--text-primary);
    transition: background 0.1s;
}

.cmd-item:hover,
.cmd-item.selected {
    background: var(--badge-bg);
    color: var(--accent-color);
}

.cmd-item-icon {
    margin-right: 12px;
    width: 24px;
    text-align: center;
    color: var(--text-secondary);
}

.cmd-item.selected .cmd-item-icon {
    color: var(--accent-color);
}

.cmd-item-text {
    flex: 1;
    font-weight: 500;
}

.cmd-item-type {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--bg-color);
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.cmd-footer {
    padding: 8px 16px;
    background: var(--bg-color);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
}

.cmd-keys {
    display: flex;
    gap: 12px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.k-small {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 2px 5px;
    border-radius: 4px;
    font-family: inherit;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    font-size: 0.7rem;
    font-weight: 600;
}

.cmd-body::-webkit-scrollbar {
    width: 6px;
}

.cmd-body::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

/* Keyboard Hint */
.kbd-hint {
    position: fixed;
    bottom: 100px;
    left: 20px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
    z-index: 999;
    opacity: 1;
    transition: opacity 0.5s ease;
    animation: kbdSlideIn 0.5s ease;
}

.kbd-hint.hidden {
    opacity: 0 !important;
    visibility: hidden;
    pointer-events: none;
}

.kbd-hint kbd {
    padding: 4px 8px;
    background: var(--accent-color);
    color: #fff;
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 600;
}

@keyframes kbdSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .kbd-hint {
        display: none;
    }
}

/* Mobile Responsiveness */
@media (max-width: 992px) {
    .hero {
        padding: 40px 20px;
    }

    .stat-item {
        flex: 1 1 40%;
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .section-title h3 {
        font-size: 1.8rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .award-badge-card {
        width: 100%;
        max-width: 320px;
    }

    .terminal-frame {
        max-width: 100%;
        margin-top: 30px;
    }

    .logic-visualizer-card .row {
        flex-direction: column;
    }

    .visualizer-info {
        padding-right: 0;
        text-align: center;
    }

    .visualizer-info .icon-wrapper {
        margin: 0 auto 16px;
    }

    .terminal-frame {
        height: 320px;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 30px 15px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .stat-item {
        flex: 1 1 100%;
    }

    .resource-item {
        flex-direction: column;
        text-align: center;
    }

    .resource-item .d-flex {
        flex-direction: column;
        margin-bottom: 15px;
    }

    .resource-item i.fs-4 {
        margin-right: 0 !important;
        margin-bottom: 10px;
    }

    .section-title {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .section-title h3 {
        margin-right: 0;
    }
}

/* Visualizer Layout Refinements */
.logic-visualizer-card {
    padding: 40px !important;
    background: linear-gradient(-45deg, #ffffff, #eff6ff, #dbeafe, #f8fafc);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    border-radius: 20px !important;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .logic-visualizer-card {
    background: linear-gradient(-45deg, #0f172a, #1e293b, #172554, #0f172a);
    background-size: 400% 400%;
}

.visualizer-info {
    padding-right: 20px;
}

/* Visualizer Input & Spinner Refinements */
.logic-visualizer-card .form-control {
    background: var(--bg-color) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
    transition: all 0.3s ease;
}

.logic-visualizer-card .form-control:focus {
    border-color: var(--accent-color) !important;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2) !important;
    outline: none;
}

.logic-visualizer-card .form-control::placeholder {
    color: var(--text-secondary) !important;
    opacity: 0.6;
}

/* Themed Number Input Spinners */
.logic-visualizer-card input[type="number"] {
    color-scheme: dark;
    /* Helps native controls match dark/light theme */
}

/* Custom styling for those native spinners to match theme */
[data-theme="dark"] .logic-visualizer-card input[type="number"]::-webkit-inner-spin-button,
[data-theme="dark"] .logic-visualizer-card input[type="number"]::-webkit-outer-spin-button {
    filter: invert(1) hue-rotate(180deg) brightness(1.5);
    /* Adjusts white spin buttons to look more themed */
    cursor: pointer;
}

/* Visualizer Button Refinements */
.logic-visualizer-card .btn-primary-custom {
    padding: 10px 16px !important;
    font-size: 0.85rem !important;
    white-space: nowrap !important;
    letter-spacing: -0.2px;
    justify-content: center !important;
    border-radius: 8px !important;
}

/* --- Download Badge Refinements --- */
.btn-download {
    padding: 6px 14px !important;
    font-size: 0.75rem !important;
    font-weight: 600 !important;
    border-radius: 8px !important;
    background: var(--accent-color) !important;
    color: white !important;
    border: none !important;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
    display: inline-flex;
    align-items: center;
    animation: badge-shadow-pulse 2s infinite, text-pulse 1.5s ease-in-out infinite !important;
    will-change: transform;
}

.btn-text {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.badge-pulse {
    animation: badge-shadow-pulse 2s infinite;
}

@keyframes badge-shadow-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(37, 99, 235, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
    }
}

@keyframes text-pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
        /* Pronounced pulse */
    }
}

.btn-download:hover {
    background: var(--accent-hover) !important;
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
}

/* 3D Tilt Effect */
.tilt-effect {
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out;
    will-change: transform;
    display: inline-flex;
    align-items: center;
}

/* Footer Link Styling */
.footer a {
    color: var(--text-primary) !important;
    text-decoration: none !important;
    font-weight: 600;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: var(--accent-color) !important;
}
/* 
 * =========================================
 *   SCROLL HINT HOVER EFFECT
 * =========================================
 */
.scroll-link {
    color: var(--text-secondary) !important;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.scroll-link:hover {
    color: var(--accent-color) !important;
    letter-spacing: 0.5px;
}

.scroll-link .fa-chevron-down {
    font-size: 0.8rem;
    animation: bounce 2s infinite;
}

/* =========================================
   BACK TO TOP BUTTON
   ========================================= */
#btn-back-to-top {
    position: fixed;
    bottom: 25px;
    right: 25px;
    display: none;
    z-index: 1000;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    background: var(--accent-color);
    color: white;
    border: none;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

#btn-back-to-top:hover {
    transform: translateY(-5px);
    background: var(--accent-color);
    filter: brightness(1.1);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}