@charset "UTF-8";
@import url("https://fonts.googleapis.com/css2?family=Fredoka:wght@400;600;700&display=swap");

/* CSS Variables for easy theme customization */
:root {
    --primary-color: #de9406;
    --secondary-color: #1e1e1e;
    --accent-color: #FFD93D;
    --purple: #A8E6CF;
    --orange: #FFB347;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --text-dark: #2C3E50;
    --text-light: #ffffff;
    --border-radius: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tools-parent-container {
    /* Import kid-friendly fonts */
    /* Animated background elements */
}

.tools-parent-container .bg-shapes {
    position: fixed;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.tools-parent-container .shape {
    position: absolute;
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.tools-parent-container .shape-1 {
    width: 100px;
    height: 100px;
    background: var(--primary-color);
    border-radius: 50%;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.tools-parent-container .shape-2 {
    width: 150px;
    height: 150px;
    background: var(--secondary-color);
    border-radius: 30% 70% 70% 30%/30% 30% 70% 70%;
    top: 60%;
    right: 10%;
    animation-delay: 5s;
}

.tools-parent-container .shape-3 {
    width: 80px;
    height: 80px;
    background: var(--accent-color);
    transform: rotate(45deg);
    top: 40%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    25% {
        transform: translateY(-20px) rotate(90deg);
    }

    50% {
        transform: translateY(0) rotate(180deg);
    }

    75% {
        transform: translateY(20px) rotate(270deg);
    }
}

button.fun-btn {
    background: linear-gradient(45deg, #dfab46 40%, #dfb86d 40%, #dfab46 61%);
    border-radius: 1em;
    padding: 0.5em 1em;
}

.tools-parent-container header {
    background: linear-gradient(45deg, #dfab46 40%, #dfb86d 40%, #dfab46 61%);
    padding: 1.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }

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

.tools-parent-container .header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.tools-parent-container h1 {
    color: var(--text-light);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tools-parent-container .robot-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: bounce 2s infinite;
}

@keyframes bounce {

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

    50% {
        transform: translateY(-10px);
    }
}

.tools-parent-container {
    /* Navigation styles */
}

.tools-parent-container nav {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.tools-parent-container .nav-btn {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.tools-parent-container .nav-btn:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.tools-parent-container .nav-btn.active {
    background: var(--accent-color);
    color: var(--text-dark);
}

.tools-parent-container {
    /* Main container */
}

.tools-parent-container .container {
    max-width: 100%;
    margin: 2rem auto;
    padding: 0 1rem;
}

.tools-parent-container {
    /* Section styles */
}

.tools-parent-container .section {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.tools-parent-container .section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        /* transform: translateY(20px); */
    }

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

.tools-parent-container {
    /* Card styles */
}

.tools-parent-container .card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.tools-parent-container .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.tools-parent-container .card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.tools-parent-container .card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.tools-parent-container .card h2 {
    color: var(--text-dark);
    font-size: clamp(1.5rem, 3vw, 2rem);
}

.tools-parent-container .card p {
    color: var(--text-dark);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.tools-parent-container {
    /* Interactive elements grid */
}

.tools-parent-container .interactive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.tools-parent-container .interactive-card {
    background: linear-gradient(135deg, #ffeaa7, #fdcb6e);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.tools-parent-container .interactive-card:nth-child(2) {
    background: linear-gradient(135deg, #a29bfe, #6c5ce7);
}

.tools-parent-container .interactive-card:nth-child(3) {
    background: linear-gradient(135deg, #ff7675, #fd79a8);
}

.tools-parent-container .interactive-card:nth-child(4) {
    background: linear-gradient(135deg, #55efc4, #00b894);
}

.tools-parent-container .interactive-card:nth-child(5) {
    background: linear-gradient(135deg, #fab1a0, #e17055);
}

.tools-parent-container .interactive-card:nth-child(6) {
    background: linear-gradient(135deg, #81ecec, #00cec9);
}

.tools-parent-container .interactive-card:nth-child(7) {
    background: linear-gradient(135deg, #a29bfe, #6c5ce7);
}

.tools-parent-container .interactive-card:nth-child(8) {
    background: linear-gradient(135deg, #ffeaa7, #fdcb6e);
}

.tools-parent-container .interactive-card:hover {
    transform: scale(1.05) rotate(2deg);
}

.tools-parent-container .interactive-card h3 {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.tools-parent-container .interactive-card .emoji {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    animation: wiggle 2s infinite;
}

@keyframes wiggle {

    0%,
    100% {
        transform: rotate(0deg);
    }

    25% {
        transform: rotate(-10deg);
    }

    75% {
        transform: rotate(10deg);
    }
}

.tools-parent-container {
    /* AI Concepts Styles */
}

.tools-parent-container .concept-card {
    background: linear-gradient(135deg, #fff, #f8f9fa);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border: 3px solid transparent;
    background-clip: padding-box;
    position: relative;
    overflow: hidden;
}


.tools-parent-container .concept-visual {
    font-size: 4rem;
    text-align: center;
    margin: 1rem 0;
    animation: conceptFloat 3s infinite ease-in-out;
}

@keyframes conceptFloat {

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

    50% {
        transform: translateY(-10px);
    }
}

.tools-parent-container .concept-title {
    color: var(--text-dark);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.tools-parent-container .concept-description {
    color: var(--text-dark);
    font-size: 1.1rem;
    line-height: 1.6;
    text-align: center;
}

.tools-parent-container .animal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.tools-parent-container .animal-item {
    text-align: center;
    transition: transform 0.3s;
    cursor: pointer;
}

.tools-parent-container .animal-item:hover {
    transform: scale(1.2) rotate(5deg);
}

.tools-parent-container .animal-emoji {
    font-size: 3rem;
    display: block;
}

.tools-parent-container .animal-name {
    font-size: 0.9rem;
    color: var(--text-dark);
    margin-top: 0.5rem;
}

.tools-parent-container {
    /* Quiz styles */
}

.tools-parent-container .quiz-container {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    margin: 2rem 0;
}

.tools-parent-container .question {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.tools-parent-container .quiz-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    align-items: center;
    gap: 1rem;
}

.tools-parent-container .quiz-options > *{
   background-color: #ffebc4; 
}
.tools-parent-container .quiz-btn {
    background: linear-gradient(135deg, #74b9ff, #0984e3);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 15px;
    font-family: inherit;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.tools-parent-container .quiz-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.tools-parent-container .quiz-btn.correct {
    background: linear-gradient(135deg, #55efc4, #00b894);
    animation: correctAnswer 0.5s ease-out;
}

.tools-parent-container .quiz-btn.incorrect {
    background: linear-gradient(135deg, #ff7675, #d63031);
    animation: shake 0.5s ease-out;
}

.tools-parent-container .quiz-score {
    text-align: center;
    margin: 2rem 0;
    font-size: 1.5rem;
    color: var(--text-dark);
}

.tools-parent-container .star-rating {
    font-size: 3rem;
    text-align: center;
    margin: 1rem 0;
}

.tools-parent-container .star {
    color: #ddd;
    transition: color 0.3s;
}

.tools-parent-container .star.filled {
    color: #FFD700;
    animation: starPop 0.5s ease-out;
}

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

    50% {
        transform: scale(1.3);
    }

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

.tools-parent-container .encouragement-message {
    text-align: center;
    font-size: 1.3rem;
    color: var(--primary-color);
    font-weight: bold;
    margin: 1rem 0;
    animation: slideInUp 0.5s ease-out;
}

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

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

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

    50% {
        transform: scale(1.1);
    }

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

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-10px);
    }

    75% {
        transform: translateX(10px);
    }
}

.tools-parent-container {
    /* Game area styles */
}

.tools-parent-container .game-area {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    margin: 2rem 0;
    min-height: 400px;
    position: relative;
}

.tools-parent-container .memory-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    height: 100px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.tools-parent-container .memory-card.preview {
    background: white;
    border: 2px solid var(--primary-color);
}

.tools-parent-container .memory-card.flipped {
    background: white;
    transform: rotateY(180deg);
}

.tools-parent-container .memory-card.matched {
    background: linear-gradient(135deg, #55efc4, #00b894);
    animation: matchFound 0.5s ease-out;
}

@keyframes matchFound {
    0% {
        transform: scale(1) rotateZ(0deg);
    }

    50% {
        transform: scale(1.2) rotateZ(10deg);
    }

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

.tools-parent-container .countdown-timer {
    text-align: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin: 1rem 0;
    font-weight: bold;
}

.tools-parent-container .drag-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
    margin: 2rem 0;
}

.tools-parent-container .drag-items,
.tools-parent-container .drop-zone {
    flex: 1;
    min-width: 250px;
}

.tools-parent-container .drag-item {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem;
    margin: 0.5rem 0;
    border-radius: 10px;
    cursor: grab;
    transition: var(--transition);
    text-align: center;
    font-size: 1.1rem;
}

.tools-parent-container .drag-item:active {
    cursor: grabbing;
    transform: scale(1.05);
}

.tools-parent-container .drop-zone {
    background: #f0f0f0;
    border: 3px dashed #ccc;
    border-radius: 15px;
    padding: 2rem;
    min-height: 300px;
    text-align: center;
}

.tools-parent-container .drop-zone.drag-over {
    background: #e8f5e9;
    border-color: #4caf50;
}

.tools-parent-container .dropped-item {
    background: linear-gradient(135deg, #55efc4, #00b894);
    color: white;
    padding: 0.75rem;
    margin: 0.5rem 0;
    border-radius: 10px;
    animation: dropIn 0.3s ease-out;
}

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

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

.tools-parent-container .robot-parts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.tools-parent-container .robot-part-btn {
    background: linear-gradient(135deg, var(--accent-color), var(--orange));
    border: none;
    padding: 1rem;
    border-radius: 15px;
    cursor: pointer;
    transition: transform 0.3s;
    text-align: center;
}

.tools-parent-container .robot-part-btn:hover {
    transform: scale(1.1) rotate(5deg);
}

.tools-parent-container .robot-part-emoji {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
}

.tools-parent-container .robot-part-name {
    font-size: 0.9rem;
    color: var(--text-dark);
    font-weight: 600;
}

.tools-parent-container {
    /* Progress tracker */
}

.tools-parent-container .progress-container {
    background: white;
    border-radius: 50px;
    padding: 0.5rem;
    margin: 2rem 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    overflow: auto;
}

.tools-parent-container .progress-bar {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    height: 30px;
    border-radius: 50px;
    width: 0%;
    transition: width 0.5s ease-out;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

.tools-parent-container {
    /* Fun button styles */
}

.tools-parent-container .fun-btn {
    background: linear-gradient(135deg, var(--accent-color), var(--orange));
    color: var(--text-dark);
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-family: inherit;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    margin: 1rem;
}

.tools-parent-container .fun-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.tools-parent-container .fun-btn::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.tools-parent-container .fun-btn:hover::after {
    width: 300px;
    height: 300px;
}

.tools-parent-container {
    /* Responsive design */
}

@media (max-width: 768px) {
    .tools-parent-container .header-content {
        flex-direction: column;
        text-align: center;
    }

    .tools-parent-container nav {
        width: 100%;
        justify-content: center;
    }

    .tools-parent-container .nav-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .tools-parent-container .card {
        padding: 1.5rem;
    }

    .tools-parent-container .interactive-grid {
        grid-template-columns: 1fr;
    }

    .tools-parent-container .quiz-options {
        grid-template-columns: 1fr;
    }

    .tools-parent-container .drag-container {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .tools-parent-container h1 {
        font-size: 1.5rem;
    }

    .tools-parent-container .robot-icon {
        width: 40px;
        height: 40px;
    }

    .tools-parent-container .card h2 {
        font-size: 1.3rem;
    }

    .tools-parent-container .card p {
        font-size: 1rem;
    }
}

.tools-parent-container {
    /* Special effects */
}

.tools-parent-container .sparkle {
    position: relative;
}

.tools-parent-container .sparkle::before {
    content: "✨";
    position: absolute;
    top: -10px;
    right: -10px;
    animation: sparkle 2s infinite;
}

@keyframes sparkle {

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

    50% {
        opacity: 1;
        transform: scale(1);
    }
}

.tools-parent-container {
    /* Loading animation */
}

.tools-parent-container .loader {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.tools-parent-container {
    /* Celebration animation */
}

.tools-parent-container .celebration {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 5rem;
    animation: celebrate 1s ease-out;
    pointer-events: none;
    z-index: 1000;
}

@keyframes celebrate {
    0% {
        transform: translate(-50%, -50%) scale(0) rotate(0deg);
        opacity: 1;
    }

    100% {
        transform: translate(-50%, -50%) scale(2) rotate(360deg);
        opacity: 0;
    }
}

.tools-parent-container {
    /* Accessibility improvements */
}

.tools-parent-container .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.tools-parent-container {
    /* Focus styles for keyboard navigation */
}

.tools-parent-container button:focus,
.tools-parent-container a:focus {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

.tools-parent-container {
    /* Print styles */
}

@media print {

    .tools-parent-container .nav-btn,
    .tools-parent-container .fun-btn,
    .tools-parent-container .quiz-btn {
        display: none;
    }

    .tools-parent-container .section {
        display: block !important;
        page-break-after: always;
    }
}

@keyframes pulse {

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

    50% {
        transform: scale(1.1);
    }
}

@keyframes network {
    0% {
        opacity: 0.3;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0.3;
    }
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.1;
    }
}

@keyframes bounce {

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

    50% {
        transform: translateY(-10px);
    }
}

@keyframes scan {
    0% {
        transform: translateX(-10px);
    }

    50% {
        transform: translateX(10px);
    }

    100% {
        transform: translateX(-10px);
    }
}

@keyframes glow {

    0%,
    100% {
        filter: brightness(1);
    }

    50% {
        filter: brightness(1.5);
    }
}

@keyframes sort {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes flip {
    0% {
        transform: rotateY(0deg);
    }

    100% {
        transform: rotateY(360deg);
    }
}

@keyframes steps {

    0%,
    33% {
        transform: translateX(0);
    }

    34%,
    66% {
        transform: translateX(30px);
    }

    67%,
    100% {
        transform: translateX(60px);
    }
}

@keyframes wave {
    0% {
        transform: translateY(0);
    }

    25% {
        transform: translateY(-5px);
    }

    50% {
        transform: translateY(0);
    }

    75% {
        transform: translateY(5px);
    }

    100% {
        transform: translateY(0);
    }
}

@keyframes talk {

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

    25% {
        transform: scale(1.05) translateX(-2px);
    }

    75% {
        transform: scale(1.05) translateX(2px);
    }
}

@keyframes soundwave {
    0% {
        transform: scaleY(1);
    }

    50% {
        transform: scaleY(1.3);
    }

    100% {
        transform: scaleY(1);
    }
}

@keyframes draw {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

@keyframes sparkle {

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

    50% {
        transform: scale(1.2) rotate(180deg);
    }
}

@keyframes scan-face {
    0% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(10px);
    }
}

@keyframes play {

    0%,
    100% {
        transform: rotate(-5deg);
    }

    50% {
        transform: rotate(5deg);
    }
}

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

    100% {
        transform: rotate(360deg);
    }
}

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

    50% {
        transform: scale(1.1);
    }

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

@keyframes move {
    0% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(5px);
    }

    50% {
        transform: translateX(0);
    }

    75% {
        transform: translateX(-5px);
    }

    100% {
        transform: translateX(0);
    }
}

@keyframes emote {

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

    25% {
        transform: scale(1.1) rotate(-5deg);
    }

    75% {
        transform: scale(1.1) rotate(5deg);
    }
}

.tools-parent-container .concept-visual-animation {
    font-size: 2rem;
    margin: 1rem 0;
    animation: var(--animation) 2s infinite;
    text-align: center;
}

.tools-parent-container .visual-diagram-placeholder {
    border: 2px dashed #ccc;
    border-radius: 10px;
    padding: 2rem;
    margin: 1rem 0;
    background: #f9f9f9;
    text-align: center;
    color: #999;
}

.tools-parent-container .concept-image-container {
    margin: 1.5rem 0;
    text-align: center;
}

.tools-parent-container .concept-image {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.tools-parent-container .concept-image:hover {
    transform: scale(1.05);
}

.tools-parent-container .image-placeholder {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border: 2px dashed #dee2e6;
    border-radius: 15px;
    padding: 2rem;
    margin: 1.5rem 0;
    text-align: center;
    color: #6c757d;
    font-size: 1rem;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.tools-parent-container .image-placeholder:hover {
    background: linear-gradient(135deg, #e9ecef, #dee2e6);
    border-color: var(--primary-color);
}

.tools-parent-container .placeholder-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.tools-parent-container .placeholder-text {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.tools-parent-container .placeholder-description {
    font-size: 0.9rem;
    opacity: 0.7;
}