@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap');

:root {
    --bg-color: #121212;
    --primary-surface-color: #1e1e1e;
    --secondary-surface-color: #2a2a2a;
    --primary-text-color: #e0e0e0;
    --secondary-text-color: #a0a0a0;
    --accent-color: #007bff;
    --accent-hover-color: #0056b3;
    --error-color: #dc3545;
    --border-color: #3a3a3a;
    --shadow-color: rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--primary-text-color);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 2rem 1rem;
}

.container {
    width: 100%;
    max-width: 600px;
    text-align: center;
}

h1 {
    margin-bottom: 1.5rem;
    font-weight: 700;
}

#search-form {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

#username-input {
    flex-grow: 1;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    background-color: var(--primary-surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--primary-text-color);
    transition: border-color 0.3s, box-shadow 0.3s;
}

#username-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    background-color: var(--accent-color);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: var(--accent-hover-color);
}

#result-container {
    background-color: var(--primary-surface-color);
    border-radius: 8px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    min-height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.initial-message, .error-message {
    color: var(--secondary-text-color);
    font-size: 1.1rem;
}

.error-message {
    color: var(--error-color);
    font-weight: 500;
}

.user-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    text-align: left;
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.5s forwards;
}

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

#avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid var(--border-color);
}

.user-info h2 {
    margin-bottom: 0.5rem;
}

.user-info p {
    margin-bottom: 0.5rem;
    color: var(--secondary-text-color);
}

.user-info p span {
    color: var(--primary-text-color);
    font-weight: 500;
}

.user-info a {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--secondary-surface-color);
    color: var(--accent-color);
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.3s;
}

.user-info a:hover {
    background-color: #3a3a3a;
}

.loader {
    width: 48px;
    height: 48px;
    border: 5px solid var(--primary-text-color);
    border-bottom-color: var(--accent-color);
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 500px) {
    .user-card {
        flex-direction: column;
        text-align: center;
    }

    .user-info {
        width: 100%;
    }
    
    .user-info a {
        width: 100%;
        text-align: center;
    }
}