/* Base Styles */
:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --accent-color: #4895ef;
    --success-color: #4cc9f0;
    --danger-color: #f72585;
    --warning-color: #f8961e;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gray-color: #6c757d;
    --light-gray: #e9ecef;
    
    --font-main: 'Poppins', sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1), 0 1px 3px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 5px 10px rgba(0,0,0,0.05);
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f5f7fa;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
header {
    text-align: center;
    padding: 2rem 0;
    margin-bottom: 1.5rem;
    animation: fadeIn 0.8s ease;
}

header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

header .subtitle {
    font-size: 1.1rem;
    color: var(--gray-color);
}

/* Tool Description */
.tool-description {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    animation: slideUp 0.6s ease;
}

.tool-description h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.tool-description p {
    margin-bottom: 1rem;
}

.tool-description ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

/* Color Generator Section */
.color-generator {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    animation: slideUp 0.7s ease;
}

.generator-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.color-picker-container {
    display: flex;
    flex-direction: column;
}

.color-picker-container label {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.color-picker-container input[type="color"] {
    width: 100%;
    height: 50px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.color-picker-container input[type="color"]:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.format-selector {
    display: flex;
    flex-direction: column;
}

.format-selector label {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.format-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.format-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--light-gray);
    border-radius: 4px;
    background-color: white;
    cursor: pointer;
    transition: var(--transition);
}

.format-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.format-btn:hover {
    background-color: var(--light-gray);
}

.scheme-selector {
    display: flex;
    flex-direction: column;
}

.scheme-selector label {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.scheme-selector select {
    padding: 0.75rem;
    border: 1px solid var(--light-gray);
    border-radius: 4px;
    font-family: var(--font-main);
    transition: var(--transition);
}

.scheme-selector select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(67, 97, 238, 0.2);
}

.action-buttons {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
}

/* Color Results */
.color-results {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.main-color {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
}

.color-display {
    width: 150px;
    height: 150px;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.color-info {
    flex: 1;
    min-width: 300px;
}

.color-info h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.color-codes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.code-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background-color: var(--light-gray);
    border-radius: 4px;
}

.code-group span {
    font-weight: 500;
    color: var(--gray-color);
    min-width: 40px;
}

.code-value {
    flex: 1;
    font-family: monospace;
    font-size: 0.9rem;
}

.copy-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    transition: var(--transition);
    padding: 0.25rem;
    border-radius: 4px;
}

.copy-btn:hover {
    background-color: rgba(67, 97, 238, 0.1);
    transform: scale(1.1);
}

.palette-colors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.palette-color {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.palette-swatch {
    height: 100px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
}

.palette-swatch:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.palette-code {
    font-family: monospace;
    font-size: 0.8rem;
    text-align: center;
    word-break: break-all;
}

/* Color Tools Section */
.color-tools {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    animation: slideUp 0.8s ease;
}

.color-tools h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background-color: var(--light-color);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.tool-card h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.contrast-checker {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contrast-colors {
    display: flex;
    gap: 1rem;
}

.contrast-colors input[type="color"] {
    width: 50px;
    height: 50px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    cursor: pointer;
}

.contrast-result {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background-color: white;
    border-radius: 4px;
    box-shadow: var(--shadow-sm);
}

.ratio {
    font-weight: 600;
    font-size: 1.1rem;
}

.rating {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.rating.aaa {
    background-color: #4caf50;
    color: white;
}

.rating.aa {
    background-color: #8bc34a;
    color: white;
}

.rating.a {
    background-color: #ffc107;
    color: black;
}

.rating.fail {
    background-color: #f44336;
    color: white;
}

.converter-tool {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.converter-tool select {
    padding: 0.5rem;
    border: 1px solid var(--light-gray);
    border-radius: 4px;
}

.converter-tool textarea {
    min-height: 80px;
    padding: 0.75rem;
    border: 1px solid var(--light-gray);
    border-radius: 4px;
    resize: vertical;
    font-family: monospace;
}

.conversion-results {
    padding: 0.75rem;
    background-color: white;
    border-radius: 4px;
    box-shadow: var(--shadow-sm);
    font-family: monospace;
    font-size: 0.9rem;
}

.blindness-simulator {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.simulator-display {
    height: 100px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.blindness-simulator select {
    padding: 0.5rem;
    border: 1px solid var(--light-gray);
    border-radius: 4px;
}

/* Export Section */
.export-section {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    animation: slideUp 0.9s ease;
}

.export-section h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.export-options {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Color History */
.color-history {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    animation: slideUp 1s ease;
}

.color-history h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.history-colors {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.history-color {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: var(--transition);
}

.history-color:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-family: var(--font-main);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-generate {
    background-color: var(--success-color);
    color: white;
}

.btn-generate:hover {
    background-color: #3ab7d8;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-reset {
    background-color: var(--danger-color);
    color: white;
}

.btn-reset:hover {
    background-color: #e5177a;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-export {
    background-color: var(--accent-color);
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-export:hover {
    background-color: #3a7bc8;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Notification */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--success-color);
    color: white;
    padding: 1rem 2rem;
    border-radius: 4px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    transform: translateX(150%);
    transition: transform 0.3s ease;
    z-index: 1000;
}

.notification.show {
    transform: translateX(0);
}

.close-notification {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    margin-left: 0.5rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalFadeIn 0.3s ease;
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-color);
}

.advanced-picker {
    width: 100%;
    height: 300px;
    margin: 1rem 0;
}

/* Ad Placements */
.ad-placeholder {
    background-color: #f0f0f0;
    color: #999;
    padding: 2rem;
    text-align: center;
    border: 1px dashed #ccc;
    border-radius: 4px;
}

.ad-banner-top {
    margin-bottom: 2rem;
    padding: 0 20px;
}

.ad-banner-bottom {
    margin-top: 2rem;
    padding: 0 20px;
}

.ad-in-content {
    margin: 2rem 0;
}

.sidebar-ad {
    float: right;
    width: 300px;
    margin-left: 2rem;
    margin-bottom: 2rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--gray-color);
    font-size: 0.9rem;
    margin-top: 2rem;
    border-top: 1px solid var(--light-gray);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Styles */
@media (max-width: 992px) {
    .sidebar-ad {
        float: none;
        width: 100%;
        margin-left: 0;
    }
    
    .main-color {
        flex-direction: column;
    }
    
    .color-display {
        width: 100%;
        height: 100px;
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .generator-controls {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        justify-content: flex-start;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .color-codes {
        grid-template-columns: 1fr;
    }
    
    .palette-colors {
        grid-template-columns: 1fr 1fr;
    }
    
    .notification {
        width: calc(100% - 40px);
        text-align: center;
    }
}