body {
    font-family: 'Open Sans', Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
    min-height: 100vh;
    margin: 0;
}
header {
    background: #3f51b5;
    color: white;
    padding: 1rem;
}
nav a {
    color: white;
    margin-right: 15px;
    text-decoration: none;
    font-weight: 600;
}
nav a:hover {
    text-decoration: underline;
}
.container {
    max-width: 800px;
    margin: 2rem auto;
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
h1, h2, h3 {
    margin-top: 0;
}
button {
    background: #3f51b5;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
}
button:hover {
    background: #303f9f;
}
input, textarea, select {
    width: 100%;
    padding: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}
.search-inline {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}
.search-inline input {
    flex: 1;
    margin-bottom: 0;
}
.error {
    color: #d32f2f;
    margin-bottom: 1rem;
}
ul {
    list-style: none;
    padding: 0;
}
ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}
ul li:last-child {
    border-bottom: none;
}

.profile-card {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: #f9f9f9;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 0 5px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
}

.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: #ccc;
    flex-shrink: 0;
}

.profile-details {
    flex: 1;
}