/* URL Expander Tool - Main Stylesheet */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
    padding: 0;
    margin: 0;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Typography */
h1, h2, h3, h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
}

h2 {
    font-size: 1.8rem;
    border-bottom: 2px solid #eaeaea;
    padding-bottom: 0.5rem;
    margin-top: 2rem;
}

h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 1rem;
}

/* Header Styles */
header {
    margin-bottom: 2.5rem;
    text-align: center;
}

header p {
    font-size: 1.1rem;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
}

/* Form Styles */
.url-form {
    background-color: #fff;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.input-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input[type="text"] {
    width: 100%;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    border: 2px solid #ddd;
    border-radius: 4px;
    transition: border-color 0.2s;
}

input[type="text"]:focus {
    border-color: #3498db;
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.expand-button {
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    width: 100%;
}

.expand-button:hover {
    background-color: #2980b9;
}

/* Results Styles */
.result {
    background-color: #fff;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.error {
    border-left: 5px solid #e74c3c;
}

.success {
    border-left: 5px solid #2ecc71;
}

.error-message {
    color: #e74c3c;
}

.result-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #eee;
}

.result-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.url-display {
    background-color: #f8f9fa;
    padding: 0.8rem 1rem;
    border-radius: 4px;
    border: 1px solid #e0e0e0;
    word-break: break-all;
    font-family: monospace;
    margin-bottom: 1rem;
}

.final-url {
    color: #27ae60;
    font-weight: bold;
}

.copy-button {
    background-color: #f1c40f;
    color: #333;
    border: none;
    border-radius: 4px;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.copy-button:hover {
    background-color: #f39c12;
}

.redirect-chain {
    margin-top: 1rem;
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 4px;
    border: 1px solid #e0e0e0;
}

.redirect-chain ol {
    padding-left: 1.5rem;
}

.redirect-chain li {
    margin-bottom: 0.5rem;
    word-break: break-all;
    font-family: monospace;
    font-size: 0.9rem;
}

/* How It Works Section */
.how-it-works {
    background-color: #fff;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.how-it-works ul {
    padding-left: 2rem;
    margin-bottom: 1rem;
}

.how-it-works li {
    margin-bottom: 0.5rem;
}

/* Footer Styles */
footer {
    text-align: center;
    margin-top: 3rem;
    padding-top: 1.5rem;
    color: #7f8c8d;
    border-top: 1px solid #eee;
    font-size: 0.9rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 1rem;
    }
    
    .url-form, .result, .how-it-works {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.8rem;
    }
    
    header p {
        font-size: 1rem;
    }
}