/* style.css */

/* Reset default styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f9;
}

/* Header and Navigation */
header {
    background-color: #2c3e50;
    color: #fff;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.nav-links li a {
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s;
}

.nav-links li a:hover {
    color: #3498db;
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Calculator Container (for Area Calculator page) */
.calculator-container {
    background-color: #fff;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.calculator-container h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.calculator-container p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 1.5rem;
}

/* Ad Container */
.ad-container {
    margin: 1.5rem 0;
    text-align: center;
}

/* Shape Selector (for Area Calculator) */
.shape-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.shape-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border: 2px solid #ddd;
    border-radius: 6px;
    background-color: #fff;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.shape-btn:hover {
    background-color: #f0f0f0;
}

.shape-btn.active {
    border-color: #3498db;
    background-color: #e8f4ff;
}

.shape-icon {
    width: 24px;
    height: 24px;
}

/* Shape Forms (for Area Calculator) */
.shape-form {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.shape-form.active {
    display: grid;
}

.shape-diagram {
    max-width: 200px;
    margin: 0 auto;
}

.shape-diagram svg {
    width: 100%;
    height: auto;
}

.diagram-label {
    font-size: 1rem;
    fill: #333;
}

/* Form Groups */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

input[type="number"] {
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    width: 100%;
    max-width: 200px;
}

input[type="number"]:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.3);
}

.unit-select {
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    background-color: #fff;
    cursor: pointer;
}

.unit-label {
    font-size: 1rem;
    color: #666;
}

/* Buttons */
button[type="submit"], .tab-button {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    background-color: #3498db;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

button[type="submit"]:hover, .tab-button:hover {
    background-color: #2980b9;
}

.tab-button {
    background-color: #ecf0f1;
    color: #333;
    border: 1px solid #ddd;
    margin-right: 0.5rem;
}

.tab-button.active {
    background-color: #3498db;
    color: #fff;
}

/* Triangle Tabs */
.calc-tabs {
    margin-bottom: 1rem;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Result Container (for Area Calculator) */
.result-container {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 6px;
}

.result-container h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.area-result {
    margin-bottom: 1.5rem;
}

.result-value {
    font-size: 1.8rem;
    font-weight: 600;
    color: #2c3e50;
}

.highlight {
    color: #3498db;
}

.formula-container, .steps-container {
    margin-top: 1.5rem;
}

.formula-container h4, .steps-container h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.formula {
    font-size: 1.1rem;
}

.step {
    margin-bottom: 0.5rem;
    font-size: 1rem;
    color: #333;
}

/* Enhanced Blog-Specific Styles */
.blog-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.blog-container h1 {
    font-size: 2.2rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.blog-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.blog-content {
    line-height: 1.8;
    color: #333;
    font-size: 1.05rem;
}

.blog-content h2 {
    font-size: 1.6rem;
    color: #2c3e50;
    margin: 2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #eee;
}

.blog-content h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin: 1.5rem 0 0.8rem;
}

.blog-content p {
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    color: #444;
}

.blog-content ul, .blog-content ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.blog-content li {
    margin-bottom: 0.5rem;
}

.blog-content blockquote {
    border-left: 4px solid #3498db;
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background-color: #f8f9fa;
    color: #555;
    font-style: italic;
}

.blog-content pre {
    background-color: #2c3e50;
    color: #f4f4f9;
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    margin: 1.5rem 0;
    font-family: 'Courier New', monospace;
}

.blog-content code {
    font-family: 'Courier New', monospace;
    background-color: #f0f0f0;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 0.9rem;
}

.blog-content a {
    color: #3498db;
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 500;
}

.blog-content a:hover {
    color: #2980b9;
    text-decoration: underline;
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 2rem 0 1rem;
}

.blog-tag {
    background-color: #e8f4ff;
    color: #3498db;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 2rem 0;
    margin-top: 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-section {
    flex: 1;
    min-width: 200px;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #ddd;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: #3498db;
}

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #444;
    width: 100%;
}

.footer-bottom p {
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        flex-direction: row;
        justify-content: space-between;
        padding: 0.5rem 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-links li a {
        font-size: 0.9rem;
    }

    .shape-form {
        grid-template-columns: 1fr;
    }

    .shape-selector {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }

    .blog-container {
        padding: 1.5rem;
    }

    .blog-container h1 {
        font-size: 1.8rem;
    }

    .blog-content h2 {
        font-size: 1.4rem;
    }

    .footer-content {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.5rem;
    }

    .nav-links {
        gap: 0.7rem;
    }

    .nav-links li a {
        font-size: 0.8rem;
    }

    .calculator-container {
        padding: 1.5rem;
    }

    .calculator-container h1 {
        font-size: 1.5rem;
    }

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

    .result-value {
        font-size: 1.4rem;
    }

    .blog-container {
        padding: 1rem;
    }

    .blog-container h1 {
        font-size: 1.6rem;
    }

    .blog-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .blog-content h2 {
        font-size: 1.3rem;
    }

    .blog-content p {
        font-size: 1rem;
    }
}