/* General Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f6f8fa;
    color: #24292e;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

h1 {
    font-size: 24px;
    margin: 0;
}

/* Search Form */
#search-form {
    display: flex;
}

#search-input {
    border: 1px solid #d1d5da;
    border-radius: 6px 0 0 6px;
    padding: 8px 12px;
    font-size: 14px;
}

#search-input:focus {
    outline: none;
    border-color: #0366d6;
    box-shadow: 0 0 0 3px rgba(3, 102, 214, 0.3);
}

button[type="submit"] {
    background-color: #2ea44f;
    color: #fff;
    border: 1px solid rgba(27, 31, 35, 0.15);
    border-radius: 0 6px 6px 0;
    padding: 8px 16px;
    font-size: 14px;
    cursor: pointer;
}

button[type="submit"]:hover {
    background-color: #2c974b;
}

/* Profile Section */
#profile-container {
    border-top: 1px solid #e1e4e8;
    padding-top: 20px;
}

#profile-header {
    display: flex;
    align-items: flex-start;
}

#avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin-right: 20px;
}

#name {
    font-size: 26px;
    margin: 0;
}

#login {
    font-size: 20px;
    color: #6a737d;
    margin: 4px 0 0;
}

#bio {
    margin: 16px 0;
}

#stats {
    display: flex;
    gap: 20px;
    color: #586069;
}

#stats p {
    margin: 0;
}

/* Activity Feed */
#activity-feed {
    margin-top: 20px;
}

#activity-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

#activity-list li {
    padding: 12px 0;
    border-bottom: 1px solid #e1e4e8;
}

#activity-list li:last-child {
    border-bottom: none;
}

/* Utility Classes */
.hidden {
    display: none;
}

/* Error Message */
#error-message {
    text-align: center;
    padding: 20px;
    color: #cb2431;
}