styles.css

/* Universal Styles */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');

:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --background-color: #f5f7fa;
    --text-color: #2c3e50;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background: linear-gradient(135deg, var(--background-color) 0%, #c3cfe2 100%);
    color: var(--text-color);
    overflow-x: hidden;
    padding: 2rem;
}

/* Container Styles */
.container {
    background-color: #ffffff;
    padding: 3rem;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    max-width: 1000px;
    width: 100%;
    animation: fadeInScale 1.2s ease-out;
    position: relative;
    overflow: hidden;
}

.container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 70%);
    opacity: 0.5;
    animation: rotate 20s linear infinite;
    z-index: -1;
}

/* Animations */
@keyframes fadeInScale {
    0% { 
        opacity: 0; 
        transform: scale(0.9);
    }
    100% { 
        opacity: 1; 
        transform: scale(1);
    }
}

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

/* Header Styling */
h1 {
    font-size: 3.5rem;
    margin-bottom: 2.5rem;
    color: var(--text-color);
    text-align: center;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 2px;
}

h1::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: var(--primary-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

/* Sections */
.sections {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
}

/* Section Styling */
.section {
    background: #ffffff;
    padding: 2rem;
    border-radius: 25px;
    width: calc(50% - 1rem);
    box-shadow: 0 15px 40px var(--shadow-color);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.section:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    position: relative;
    padding-left: 1rem;
}

h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* Input Styles */
input[type="color"],
input[type="text"] {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 15px;
    border: 2px solid #e0e0e0;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

input[type="color"] {
    height: 60px;
    cursor: pointer;
}

input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 12px;
}

input[type="text"]:focus,
input[type="color"]:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.2);
    outline: none;
}

/* Button Styling */
button {
    padding: 1rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 15px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
    position: relative;
    overflow: hidden;
}

button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300%;
    height: 300%;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.5s ease-out;
}

button:hover {
    background-color: #2980b9;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

button:hover::after {
    transform: translate(-50%, -50%) scale(1);
}

button:active {
    transform: translateY(1px);
}

/* Color Display Styling */
.color-display,
.color-visualizer {
    margin-top: 2rem;
    padding: 1.5rem;
    border-radius: 15px;
    background-color: #f9f9f9;
    border: 2px solid #e0e0e0;
    box-shadow: 0 10px 30px var(--shadow-color);
    text-align: center;
    transition: all 0.3s ease;
}

.color-display:hover,
.color-visualizer:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.color-display p,
.color-visualizer p {
    margin: 0;
    font-size: 1.3rem;
    color: var(--text-color);
    font-weight: 600;
}

/* Color Box for Visualizer */
.color-box {
    width: 120px;
    height: 120px;
    margin: 1.5rem auto;
    border-radius: 15px;
    border: 3px solid var(--primary-color);
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px var(--shadow-color);
}

.color-box:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

/* Copy Button */
#copyColor {
    margin-top: 1rem;
    background-color: var(--secondary-color);
}

#copyColor:hover {
    background-color: #27ae60;
}

/* Responsive Design */
@media (max-width: 900px) {
    .section {
        width: 100%;
        margin-bottom: 2rem;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 600px) {
    body {
        padding: 1rem;
    }

    .container {
        padding: 2rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    input[type="color"],
    input[type="text"],
    button {
        font-size: 1rem;
    }
}

/* Additional Enhancements */
.color-transition {
    transition: background-color 0.5s ease, color 0.5s ease;
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(52, 152, 219, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(52, 152, 219, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(52, 152, 219, 0);
    }
}

/* Tooltip styles */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 120px;
    background-color: #555;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -60px;
    opacity: 0;
    transition: opacity 0.3s;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* Loading indicator */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}